CN120324036A - Medical biopsy forceps and sampling method thereof - Google Patents

Medical biopsy forceps and sampling method thereof

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Publication number
CN120324036A
CN120324036A CN202510823591.0A CN202510823591A CN120324036A CN 120324036 A CN120324036 A CN 120324036A CN 202510823591 A CN202510823591 A CN 202510823591A CN 120324036 A CN120324036 A CN 120324036A
Authority
CN
China
Prior art keywords
sampling
clamp head
sample
forceps
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202510823591.0A
Other languages
Chinese (zh)
Inventor
周康平
李泉伟
韦杰
徐林爱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Kangsheng Medical Equipment Co Ltd
Original Assignee
Hangzhou Kangsheng Medical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Kangsheng Medical Equipment Co Ltd filed Critical Hangzhou Kangsheng Medical Equipment Co Ltd
Priority to CN202510823591.0A priority Critical patent/CN120324036A/en
Publication of CN120324036A publication Critical patent/CN120324036A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/06Biopsy forceps, e.g. with cup-shaped jaws
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/0266Pointed or sharp biopsy instruments means for severing sample
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/0266Pointed or sharp biopsy instruments means for severing sample
    • A61B10/0275Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention provides a medical living body sampling clamp and a sampling method thereof, and relates to the technical field of medical appliances, comprising a sampling sleeve, a sampling clamp head, a shearing driving assembly and a sample storage cylinder; the sampling clamp head comprises a fixed clamp head and a movable clamp head, the end part of the movable clamp head is connected with a flushing pipe, the sample storage cylinder is rotatably arranged in the sampling sleeve, and a plurality of storage grids are arranged in the sample storage cylinder. The medical living body sampling forceps have the beneficial effects that when the medical living body sampling forceps are used for taking living body samples in a patient, the living body sampling forceps can be used for continuously sampling the affected part of the patient, the effects of one-time insertion and multi-point sampling are achieved, the situation that the living body sampling forceps repeatedly enter and exit the patient in the multi-point sampling is avoided, and therefore the trauma of the patient can be reduced. The medical living body sampling forceps switch different storage grids through the rotary sampling cylinder, so that independent storage of samples is ensured, each grid corresponds to a sampling site, the samples directly enter an independent cavity after being washed, cross mixing of the samples is avoided, and the pathological detection accuracy of the samples is improved.

Description

Medical living body sampling forceps and sampling method thereof
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical living body sampling clamp and a sampling method thereof.
Background
In medical diagnosis and treatment, biopsy sampling (biopsy) is an important means of obtaining a diseased tissue sample for pathological analysis. Biopsy sampling is a critical step in pathological diagnosis, and especially accurate sampling of tumor, inflammation or suspicious lesion areas directly affects the reliability of the detection results.
Conventional bioptomes typically employ a single sampling design. For example, CN202011468019.0 discloses a multi-angle adjustable disposable biopsy forceps, which comprises an operating handle, a forceps body, a jaw and a traction steel wire, wherein one end of the traction steel wire is connected with the operating handle, the other end of the traction steel wire is connected with the forceps body, one end of the forceps body is connected with the operating handle, the other end of the forceps body is connected with the jaw, and the jaw is provided with a pair of forceps flaps controlled to open and close by a swing rod mechanism. The biopsy forceps can achieve the purpose of taking the biopsy in medicine. The biopsy forceps need to withdraw from the body for sample unloading after completing one sampling, and if multi-point sampling is needed, the instruments need to be inserted repeatedly, so that the pain and the operation time of the patient are increased.
In addition, during multiple sampling of the biopsy forceps, cross-mixing of the sampled sample tissue may result when the biopsy forceps are not sufficiently cleaned, affecting detection accuracy.
Therefore, there is a need for a biopsy forceps that can achieve one-time insertion multi-point sampling and prevent cross-mixing of sample tissue to reduce the risk of surgery and improve pathology detection accuracy.
Disclosure of Invention
In view of the above, the invention provides a medical living body sampling forceps, which comprises a sampling sleeve, a sampling forceps head, a shearing driving assembly and a sampling cylinder;
The sampling clamp head comprises a fixed clamp head and a movable clamp head, wherein the fixed clamp head is fixedly connected with the end part of the sampling sleeve, and the movable clamp head is rotatably connected with the end part of the sampling sleeve;
The sample storage cylinder is rotatably arranged in the sampling sleeve, the end part of the sample storage cylinder is connected with a rotating rod, a plurality of storage grids are arranged in the sample storage cylinder, and each storage grid is provided with a sample inlet which is used for being communicated with the sample outlet in an aligned manner;
the shearing driving assembly is arranged on the sampling sleeve and connected with the movable clamp head;
The sampling sleeve is used for extending the sampling forceps head to a position to be sampled by a patient, the shearing driving assembly is used for driving the movable forceps head and the fixed forceps head to fold so as to shear biological tissues of an affected part of the patient, the flushing pipe is used for spraying cleaning liquid into the movable forceps head and flushing the sheared biological tissues into the storage grid communicated with the sampling hole from the sampling hole, and the rotating rod is used for driving the sample storage cylinder to rotate so as to sequentially communicate the storage grid in the sample storage cylinder with the sampling hole.
Further, a separation clamp plate is arranged in the movable clamp head, a liquid guide cavity is separated in the movable clamp head by the separation clamp plate, a plurality of liquid spraying holes are distributed on the separation clamp plate, and the flushing pipe is communicated with the liquid guide cavity.
Further, a sleeve groove is formed in the sampling sleeve, the sample storage barrel is rotatably arranged in the sleeve groove, a plurality of fixed partition boards are arranged in the sample storage barrel, the fixed partition boards separate a plurality of storage grid grooves, and the storage grid body is slidably arranged in the storage grid grooves.
Further, the end part of the sample storage cylinder is also provided with an exhaust pipe, the exhaust pipe is used for being connected with an air extractor, and the end part of the storage grid body far away from the sample outlet is provided with a waterproof breathable film.
Further, the sampling sleeve comprises a first pipe body and a second pipe body, the first pipe body and the second pipe body are respectively provided with an opening end, the sample storage cylinder is positioned in the first pipe body, the sampling clamp head is connected to the first pipe body, and the opening ends of the first pipe body are inserted into the opening ends of the second pipe body.
Further, a sample injection pipe is arranged in the sample injection hole of the storage grid body, and the sample injection pipe extends to the inside of the storage grid body.
Further, the end part of the sampling sleeve is provided with a hinge seat, the movable forceps head is provided with a hinge head, and the hinge head is hinged on the hinge seat.
Further, the shearing drive assembly comprises a shearing handle and a shearing inhaul cable, the shearing handle is rotationally connected to the sampling sleeve, two sides of the hinge joint are respectively provided with a shearing connecting column and a resetting connecting column, one end of the shearing inhaul cable is connected to the shearing connecting column, the other end of the shearing inhaul cable is connected to the shearing handle, an elastic piece is connected to the resetting connecting column, and the elastic piece is connected with the sampling sleeve.
The invention also provides a sampling method of the medical living body sampling forceps, which uses the medical living body sampling forceps and comprises the following steps:
s1, rotating a sample storage cylinder to align a sample injection hole of a storage grid body in the sample storage cylinder with a sample injection hole of a fixed clamp head, so that the storage grid body is communicated with the fixed clamp head;
s2, controlling the sampling sleeve to extend the sampling forceps head to a position to be sampled by the patient;
s3, driving the movable binding clip to rotate through the shearing driving assembly, and folding the fixed binding clip and the movable binding clip so as to shear biological tissues at a position to be sampled of a patient, wherein the sheared biological tissues are sealed into the sampling binding clip;
S4, spraying a cleaning solution into the closed sampling forceps heads through a flushing pipe, and flushing biological tissues sealed in the sampling forceps heads into a sample storage cylinder communicated with the fixed forceps heads for storage by the cleaning solution;
s5, rotating the sample storage cylinder again to align the sample inlet of the other storage grid body with the sample inlet of the fixed clamp head, and repeating the steps S3 and S4 to finish continuous sampling of the affected part of the patient.
Further, the end of the storage grid far away from the sample outlet is provided with a waterproof and breathable film, the step S4 also comprises a step S41, the step S41 is carried out after the cleaning liquid is sprayed in the step S4,
And S41, exhausting the end part of the sample storage cylinder to enable the storage grid body communicated with the fixed clamp head to be in a negative pressure state, so that biological tissues and cleaning liquid of the sampling clamp head are sucked into the storage grid.
The medical living body sampling forceps have the beneficial effects that:
(1) The living body sampling forceps comprise a sampling sleeve, a sampling forceps head, a shearing driving assembly and a sampling storage cylinder, wherein the sampling forceps head comprises a fixed forceps head and a movable forceps head, a sampling outlet is formed in the end part of the fixed forceps head, the movable forceps head is rotatably connected to the end part of the sampling sleeve, a flushing pipe is connected to the end part of the movable forceps head, the sampling storage cylinder is rotatably arranged in the sampling sleeve, a plurality of storage grids are arranged in the sampling storage cylinder, and when the living body sampling is carried out on a patient body, the medical living body sampling forceps can store samples in the sampling storage cylinder, so that continuous sampling can be carried out on affected parts of the patient, the effects of one-time insertion and multi-point sampling are achieved, repeated in-out of the patient body during multi-point sampling are avoided, thereby patient wounds can be reduced, and sampling efficiency is improved.
(2) The medical living body sampling forceps can finish multi-point sampling and simultaneously ensure independent storage of samples, each storage lattice corresponds to one sampling site, sample tissue is ensured not to be mixed, pathology detection accuracy is improved, and sample cross mixing is avoided.
(3) The movable clamp head of the living body sampling clamp is also connected with the cleaning pipe, the cleaning pipe can spray physiological saline to the inner walls of the movable clamp head and the fixed clamp head, biological tissues in the sampling clamp head can be ensured to be flushed into the storage grid for storage, the effect of in-vivo flushing of the sampling clamp head is achieved, the living body sampling clamp is ensured to fully flush the sampling clamp head when multi-point sampling can be completed, the problem that sampled sample tissues are polluted due to residual tissues of the clamp head is avoided, and the pathological detection accuracy is further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a medical biopsy forceps according to an embodiment of the present invention.
Fig. 2 is a schematic view showing an internal structure of a medical biopsy forceps according to an embodiment of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a cross-sectional view of a cartridge of a medical biopsy forceps according to an embodiment of the present invention.
Fig. 5 is a view of the cartridge of fig. 4 in the B-direction.
Fig. 6 is a flowchart of a sampling method of a medical biopsy forceps according to an embodiment of the present invention.
In the above figures, 1-sampling sleeve, 11-first tube, 12-second tube, 2-sampling clip, 21-fixed clip, 22-movable clip, 23-separation splint, 24-liquid spraying hole, 25-sample outlet, 3-shear cable, 31-shear handle, 32-hinge, 33-elastic piece, 4-flushing pipe, 5-sample storage cylinder, 51-rotating rod, 52-fixed baffle, 6-storage grid, 61-sample inlet, 62-sample inlet pipe, 7-extraction pipe and 8-shear handle sleeve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, a medical biopsy forceps according to the present invention includes a sampling cannula 1, a sampling forceps head 2, a shear driving assembly, and a sample storage barrel 5.
The sampling sleeve 1 is a cylindrical hollow tube body, one end is a sampling end, the other end is an operating end, and the sampling clamp head 2 is positioned at the sampling end of the sampling sleeve 1. The sampling clamp head 2 comprises a fixed clamp head 21 and a movable clamp head 22, the fixed clamp head 21 is fixedly connected with the sampling end of the sampling sleeve 1, and the movable clamp head 22 is rotatably connected with the end part of the sampling sleeve 1.
The shearing driving assembly is located at the operation end of the sampling sleeve 1, the shearing driving assembly is connected with the movable clamp head 22, the shearing driving assembly is used for driving the movable clamp head 22 to rotate towards the fixed clamp head 21, so that the fixed clamp head 21 and the movable clamp head 22 are folded to form a closed sampling cavity, shearing edge parts are arranged at the opposite edge parts of the fixed clamp head 21 and the movable clamp head 22, and the fixed clamp head 21 and the movable clamp head 22 are folded to shear biological tissues of an affected part of a patient.
The end part of the movable clamp head 22 is connected with a flushing pipe 4, the flushing pipe 4 penetrates through the sampling sleeve 1 and extends out of the sampling sleeve 1, the flushing pipe 4 is used for being connected with a flushing device, a sample outlet hole 25 is formed in the end part of the fixed clamp head 21, which is connected with the sampling sleeve 1, and the sample outlet hole 25 is located at the bottom of the fixed clamp head 21.
The sampling sleeve 1 is internally provided with a cylindrical sleeve groove, the sample storage cylinder 5 is of a cylindrical structure, the sample storage cylinder 5 is rotatably arranged in the sleeve groove in the sampling sleeve 1, the end part of the sample storage cylinder 5 is connected with a rotating rod 51, and the end part of the rotating rod 51 far away from the sample storage cylinder 5 penetrates through the sampling sleeve 1 and extends out of the sampling sleeve 1. The sample storage barrel 5 is internally provided with a plurality of storage grids 6, the end part of each storage grid 6 is provided with a sample injection hole 61, the central axes of all the sample injection holes 61 are parallel to the central axis of the sample storage barrel 5 and have the same distance, the sample injection holes 61 are the same as the sample outlet holes 25 in size, the sample injection holes 61 are used for being communicated with the sample outlet holes 25 in an aligned mode, no gap exists between the sample injection holes 61 and the sample outlet holes 25 after the sample injection holes 61 are communicated with the sample outlet holes 25 in an aligned mode, and the rotating rod 51 is used for driving the sample storage barrel 5 to rotate so that all the sample injection holes 61 are sequentially communicated with the sample injection holes 61 in an aligned mode in the rotating process of the sample storage barrel 5.
When the medical living body sampling forceps are used, medical staff controls the sampling sleeve 1 to extend the sampling forceps head 2 to a position to be sampled by a patient, then controls the shearing driving assembly to drive the movable forceps head 22 to be folded with the fixed forceps head 21 so as to shear biological tissues of the affected part of the patient, the flushing pipe 4 is used for spraying cleaning liquid into the movable forceps head 22, the sheared biological tissues are flushed into the storage grid 6 communicated with the sampling hole 25 from the sampling hole 25, a single-point living body sampling process is completed, the medical staff can continue to drive the sampling storage cylinder 5 to rotate by utilizing the rotating rod 51, the storage grid 6 in the sampling storage cylinder 5 is sequentially communicated with the sampling hole 25, and the multipoint sampling process of the affected part of the patient can be completed by repeating the shearing sampling process. In this embodiment, the wash is saline, which prevents inactivation of sheared tissue.
When the medical living body sampling forceps are used for sampling living bodies in a patient body, the living body sampling forceps can be used for continuously sampling the affected parts of the patient, the effects of one-time insertion and multi-point sampling are achieved, the sampling forceps can repeatedly enter and exit the patient body when the multi-point sampling is avoided, and therefore wounds of the patient can be reduced, and sampling efficiency is improved. The medical living body sampling forceps switch different storage grids 6 through the rotary sampling cylinder 5, so that independent storage of samples is ensured, each grid corresponds to a sampling site, the samples directly enter an independent cavity after being washed, tissue is ensured not to be mixed, pathology detection accuracy is improved, and cross mixing of the samples is avoided. Meanwhile, the movable clamp head 22 is connected with the flushing pipe 4, the flushing pipe 4 can spray physiological saline to the inner walls of the movable clamp head 22 and the fixed clamp head 21, so that biological tissues in the sampling clamp head 2 can be ensured to be flushed into the storage grid 6 for storage, the inner wall of the sampling clamp head 2 can be flushed after sampling, the effect of cleaning residual tissues can be achieved, and in addition, the physiological saline can also prevent dehydration and inactivation of the sample tissues.
In a preferred embodiment, a cylindrical mounting sleeve is arranged in the sampling sleeve 1, the sleeve groove is formed by enclosing the inner wall of the mounting sleeve, a plurality of fixed partition plates 52 are arranged in the sample storage cylinder 5, the fixed partition plates 52 divide a plurality of storage grid grooves, and the storage grid body 6 is slidably arranged in the storage grid grooves. The end of the sample storage barrel 5 is also provided with an exhaust pipe 7, the exhaust pipe 7 is used for connecting an air extractor, the end of the storage grid 6 far away from the sample outlet 25 is provided with a waterproof breathable film, the waterproof breathable film is a polymer film with a microporous structure, gas can pass through the waterproof breathable film to block solids and liquid, the exhaust pipe 7 is used for exhausting air to the sample storage barrel 5 after the sampling clamp head 2 is folded and the liquid spraying of the flushing pipe 4 is completed, so that residual liquid and residual biological tissues in a sampling cavity of the sampling clamp head 2 can be fully sucked into the storage grid 6 communicated with the sampling cavity. Thus, the sample and the cleaning liquid can be accelerated to enter the storage grid body 6, so that tiny tissues are prevented from adhering to the inner wall of the sampling clamp head 2, and the cleaning liquid is prevented from being adsorbed on the inner wall of the sampling clamp head 2 in a dropwise manner.
It can be appreciated that the flushing pipe 4 and the air extraction pipe 7 are flexible hoses with certain elasticity, which can ensure normal water spraying and air extraction during the rotation of the movable clamp head 22 and the rotation of the sample storage barrel 5.
In the preferred embodiment, a separation clamping plate 23 is disposed in the movable clamp head 22, a liquid guiding cavity is separated by the separation clamping plate 23 in the movable clamp head 22, a plurality of liquid spraying holes 24 are distributed on the separation clamping plate 23, the flushing pipe 4 is communicated with the liquid guiding cavity, and different liquid spraying holes 24 have different liquid spraying angles, so that the cleaning liquid (physiological saline) sprayed from the liquid spraying holes 24 can flush the movable clamp head 22 and the inner wall of the fixed clamp head 21 in azimuth, and the cleaning effect of the cleaning liquid is ensured.
In a preferred embodiment, the sampling sleeve 1 comprises a first tube body 11 and a second tube body 12, the first tube body 11 and the second tube body 12 are respectively provided with an open end, the sample storage barrel 5 is positioned in the first tube body 11, the sampling clamp head 2 is connected to the first tube body 11, the open end of the first tube body 11 is inserted into the open end of the second tube body 12, and the structure can enable the sampling sleeve 1 to be in an inserting connection so as to enable the sampling sleeve to be in a detachable structure, so that the sample storage barrel 5 and the sample tissues in the sampling sleeve are conveniently taken out.
In a preferred embodiment, a sample inlet tube 62 is disposed in the sample inlet hole 61 of the storage grid 6, and the sample inlet tube 62 extends toward the inside of the storage grid 6, so that the sample tissue entering the storage grid 6 and the spraying of the cleaning solution can be prevented, and the integrity of the sample tissue obtained by sampling is ensured. In this embodiment, the sample tissue of the storage compartment 6 can be removed by tearing the waterproof and breathable membrane. When the storage grid 6 is reused, a waterproof and breathable film can be adhered again.
In a preferred embodiment, the end of the sampling sleeve 1 is provided with a hinge seat, the movable clamp head 22 is provided with a hinge head 32, and the hinge head 32 is hinged on the hinge seat. The shear driving assembly comprises a shear handle 31 and a shear stay rope 3, the shear handle 31 is rotationally connected to the sampling sleeve 1, two sides of the hinge joint 32 are respectively provided with a shear connecting column and a reset connecting column, one end of the shear stay rope 3 is connected to the shear connecting column, the other end of the shear stay rope is connected to the shear handle 31, an elastic piece 33 is connected to the reset connecting column, and the elastic piece 33 is connected with the sampling sleeve 1. The elastic piece 33 may be an extension spring, which is used for stretching the movable binding clip 22 outwards to make the movable binding clip 22 be in an open state, when a medical staff needs to cut and sample, the shearing handle 31 is pressed, the shearing handle 31 can pull the shearing stay rope 3 to overcome the tensile force of the extension spring, so that the movable binding clip 22 rotates towards the fixed binding clip 21, and the sampling binding clip 2 is folded.
In the preferred embodiment, the operation end of the sampling sleeve 1 is also provided with a shearing handle sleeve 8, so that the medical staff can conveniently complete the shearing sampling process by one hand. The end of the rotating rod 51 passes through the shearing handle sleeve 8 to extend out of the sampling sleeve 1, the end of the rotating rod 51 is also provided with a rotating knob, and the rotating knob is provided with rotating scales, so that medical staff can conveniently rotate the sample storage cylinder 5, and the sample inlet 61 of the storage grid 6 is aligned and communicated with the sample inlet 61.
Referring to fig. 6, the present invention also provides a sampling method of a medical biopsy forceps using the above medical biopsy forceps, the sampling method comprising the steps of:
S1, rotating a sample storage cylinder 5 to align a sample inlet 61 of a storage grid 6 in the sample storage cylinder 5 with a sample outlet 25 of a fixed clamp head 21, so that the storage grid 6 is communicated with the fixed clamp head 21;
s2, controlling the sampling sleeve 1 to extend the sampling clamp head 2 to a position to be sampled by a patient;
S3, driving the movable clamp head 22 to rotate through the shearing driving assembly, and folding the fixed clamp head 21 and the movable clamp head 22 to shear biological tissues at a position to be sampled of a patient, wherein the sheared biological tissues are sealed into the sampling clamp head 2;
and S4, starting the flushing device, and spraying a cleaning solution into the closed sampling clamp head 2 through the flushing pipe 4 for a certain time (for example, 3-5 seconds), wherein the cleaning solution flushes biological tissues sealed in the sampling clamp head 2 into the sample storage cylinder 5 communicated with the fixed clamp head 21 for storage, and the cleaning solution is normal saline.
S5, rotating the sample storage cylinder 5 again to align the sample inlet 61 of the other storage grid 6 with the sample outlet 25 of the fixed clamp head 21, loosening the shearing handle 31, resetting and opening the sampling clamp head 2, moving the sampling clamp head 2 to another sampling point of an affected part of a patient, and repeating the steps S3 and S4 to finish continuous multipoint sampling of the affected part of the patient. It will be appreciated that in the case of continuous multipoint sampling, the multiple sampling points are located at different locations on the same patient site.
In the preferred embodiment, step S4 further includes step S41, step S41 is performed after the cleaning solution is sprayed in step S4,
S41, starting an air extractor, and exhausting air from the end part of the sample storage cylinder 5 for a period of time to enable the storage grid 6 communicated with the fixed clamp head 21 to be in a negative pressure state, so that biological tissues and cleaning liquid of the sampling clamp head 2 are sucked into the storage grid 6.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (10)

1. The medical living body sampling forceps are characterized by comprising a sampling sleeve (1), a sampling forceps head (2), a shearing driving assembly and a sampling storage cylinder (5);
The sampling clamp head (2) comprises a fixed clamp head (21) and a movable clamp head (22), wherein the fixed clamp head (21) is fixedly connected to the end part of the sampling sleeve (1), the movable clamp head (22) is rotatably connected to the end part of the sampling sleeve (1), the end part of the movable clamp head (22) is connected with a flushing pipe (4), the flushing pipe (4) is connected with a flushing device, and a sampling hole (25) is formed in the end part of the fixed clamp head (21) connected with the sampling sleeve (1);
The sample storage barrel (5) is rotatably arranged in the sampling sleeve (1), the end part of the sample storage barrel (5) is connected with a rotating rod (51), a plurality of storage grids (6) are arranged in the sample storage barrel (5), a sample injection hole (61) is formed in the end part of each storage grid (6), and the sample injection hole (61) is used for being communicated with the sample outlet hole (25) in an aligned mode;
The shearing driving assembly is arranged on the sampling sleeve (1) and is connected with the movable clamp head (22);
The sampling sleeve (1) is used for extending the sampling clamp head (2) to a position to be sampled by a patient, the shearing driving assembly is used for driving the movable clamp head (22) and the fixed clamp head (21) to be folded so as to shear biological tissues of an affected part of the patient, the flushing pipe (4) is used for spraying cleaning liquid into the movable clamp head (22) and flushing the sheared biological tissues into the storage grid body (6) communicated with the sampling hole (25) from the sampling hole (25), and the rotating rod (51) is used for driving the sampling cylinder (5) to rotate so that the storage grid body (6) in the sampling cylinder (5) is sequentially communicated with the sampling hole (25).
2. The medical biopsy forceps as claimed in claim 1, wherein a separation clamp plate (23) is arranged in the movable forceps head (22), a liquid guide cavity is separated in the movable forceps head (22) by the separation clamp plate (23), a plurality of liquid spraying holes (24) are distributed on the separation clamp plate (23), and the flushing pipe (4) is communicated with the liquid guide cavity.
3. The medical biopsy forceps of claim 1, wherein a sleeve groove is formed in the sampling sleeve (1), the sample storage cylinder (5) is rotatably arranged in the sleeve groove, a plurality of fixed partition plates (52) are arranged in the sample storage cylinder (5), the fixed partition plates (52) divide a plurality of storage grid grooves, and the storage grid body (6) is slidably arranged in the storage grid grooves.
4. The medical biopsy forceps of claim 3, wherein the end of the sample storage cylinder (5) is further provided with an air extraction tube (7), the air extraction tube (7) is used for being connected with an air extraction device, and the end of the storage grid body (6) far away from the sample outlet hole (25) is provided with a waterproof and breathable film.
5. The medical living body sampling forceps according to claim 1, wherein the sampling sleeve (1) comprises a first tube body (11) and a second tube body (12), the first tube body (11) and the second tube body (12) are respectively provided with an open end, the sample storage cylinder (5) is positioned in the first tube body (11), the sampling forceps head (2) is connected to the first tube body (11), and the open end of the first tube body (11) is inserted into the open end of the second tube body (12).
6. The medical biopsy forceps as claimed in claim 1, wherein a sampling tube (62) is provided in the sampling hole (61) of the storage grid (6), and the sampling tube (62) extends into the storage grid (6).
7. A medical biopsy forceps according to claim 1, wherein a hinge seat is provided at the end of the sampling cannula (1), a hinge head (32) is provided on the movable forceps head (22), and the hinge head (32) is hinged to the hinge seat.
8. A medical biopsy forceps according to claim 7, wherein the shear drive assembly comprises a shear handle (31) and a shear stay (3), the shear handle (31) is rotatably connected to the sampling cannula (1), a shear connection column and a reset connection column are respectively arranged on two sides of the hinge joint (32), one end of the shear stay (3) is connected to the shear connection column, the other end is connected to the shear handle (31), an elastic piece (33) is connected to the reset connection column, and the elastic piece (33) is connected to the sampling cannula (1).
9. A sampling method of a medical living body sampling forceps is characterized in that the sampling method uses the medical living body sampling forceps according to any one of claims 1 to 8, and the sampling method comprises the following steps:
S1, rotating a sample storage cylinder (5) to align a sample inlet (61) of a storage grid body (6) in the sample storage cylinder (5) with a sample inlet (25) of a fixed clamp head (21), so that the storage grid body (6) is communicated with the fixed clamp head (21);
s2, controlling the sampling sleeve (1) to extend the sampling clamp head (2) to a position to be sampled by a patient;
S3, driving the movable clamp head (22) to rotate through the shearing driving assembly, and folding the fixed clamp head (21) and the movable clamp head (22) so as to shear biological tissues at a position to be sampled of a patient, wherein the sheared biological tissues are sealed into the sampling clamp head (2);
S4, spraying a cleaning solution into the closed sampling clamp head (2) through a flushing pipe (4), and flushing biological tissues sealed in the sampling clamp head (2) into a sample storage cylinder (5) communicated with the fixed clamp head (21) for storage by the cleaning solution;
S5, rotating the sample storage cylinder (5) again to align the sample inlet hole (61) of the other storage grid body (6) with the sample inlet hole (25) of the fixed clamp head (21), and repeating the steps S3 and S4 to finish continuous sampling of the affected part of the patient.
10. The method for sampling a medical living body sampling forceps according to claim 9, wherein the end of the storage grid body (6) far away from the sampling hole (25) is provided with a waterproof and breathable film, the step S4 also comprises the step S41, the step S41 is carried out after the spraying of the cleaning liquid is completed in the step S4,
S41, pumping air from the end part of the sample storage cylinder (5) to enable the storage grid body (6) communicated with the fixed clamp head (21) to be in a negative pressure state, so that biological tissues and cleaning fluid of the sampling clamp head (2) are sucked into the storage grid body (6).
CN202510823591.0A 2025-06-19 2025-06-19 Medical biopsy forceps and sampling method thereof Pending CN120324036A (en)

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Citations (9)

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US6331165B1 (en) * 1996-11-25 2001-12-18 Scimed Life Systems, Inc. Biopsy instrument having irrigation and aspiration capabilities
US6632182B1 (en) * 1998-10-23 2003-10-14 The Trustees Of Columbia University In The City Of New York Multiple bit, multiple specimen endoscopic biopsy forceps
CN206950187U (en) * 2017-01-15 2018-02-02 新疆医科大学附属肿瘤医院 A kind of biliary tract brush examines seal wire
CN209391989U (en) * 2018-10-31 2019-09-17 重庆西山科技股份有限公司 Biopsy device for multi-chamber sample holder
CN112842405A (en) * 2020-12-31 2021-05-28 西安交通大学医学院第二附属医院 Sample sampler for surgery of malignant tumor
CN113143328A (en) * 2020-12-22 2021-07-23 上海市闵行区中心医院 Noninvasive exfoliated gastric cell and nucleic acid sampling system and using method thereof
CN214965970U (en) * 2021-03-15 2021-12-03 十堰市太和医院 Tumor sampling device convenient to separate tumors
CN117100326A (en) * 2023-09-06 2023-11-24 江苏大学附属医院 A biopsy sampling device for clinical use in medical oncology
CN117481711A (en) * 2023-11-15 2024-02-02 深圳市宏济医疗技术开发有限公司 High biopsy forceps head assembly of security and cavity way biopsy forceps device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6331165B1 (en) * 1996-11-25 2001-12-18 Scimed Life Systems, Inc. Biopsy instrument having irrigation and aspiration capabilities
US6632182B1 (en) * 1998-10-23 2003-10-14 The Trustees Of Columbia University In The City Of New York Multiple bit, multiple specimen endoscopic biopsy forceps
CN206950187U (en) * 2017-01-15 2018-02-02 新疆医科大学附属肿瘤医院 A kind of biliary tract brush examines seal wire
CN209391989U (en) * 2018-10-31 2019-09-17 重庆西山科技股份有限公司 Biopsy device for multi-chamber sample holder
CN113143328A (en) * 2020-12-22 2021-07-23 上海市闵行区中心医院 Noninvasive exfoliated gastric cell and nucleic acid sampling system and using method thereof
CN112842405A (en) * 2020-12-31 2021-05-28 西安交通大学医学院第二附属医院 Sample sampler for surgery of malignant tumor
CN214965970U (en) * 2021-03-15 2021-12-03 十堰市太和医院 Tumor sampling device convenient to separate tumors
CN117100326A (en) * 2023-09-06 2023-11-24 江苏大学附属医院 A biopsy sampling device for clinical use in medical oncology
CN117481711A (en) * 2023-11-15 2024-02-02 深圳市宏济医疗技术开发有限公司 High biopsy forceps head assembly of security and cavity way biopsy forceps device

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Application publication date: 20250718