CN118415570B - A bronchoscope with a positioning device - Google Patents
A bronchoscope with a positioning device Download PDFInfo
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- CN118415570B CN118415570B CN202410874040.2A CN202410874040A CN118415570B CN 118415570 B CN118415570 B CN 118415570B CN 202410874040 A CN202410874040 A CN 202410874040A CN 118415570 B CN118415570 B CN 118415570B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/0125—Endoscope within endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/045—Control thereof
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Abstract
The invention relates to a bronchoscope with a positioning device, which belongs to the technical field of medical appliances and comprises the following components: a sheath assembly comprising a body and an introducer sheath; the main body is provided with a through hole and a connecting part, the guide sheath tube is arranged in the through hole in a penetrating way, and one end, far away from the main body, of the guide sheath tube is provided with a connecting seat; the head end of the telescopic rod is provided with a first clamping block, and the head end of the telescopic rod is connected with the tail end of the main body through a first connecting piece; the first connecting piece comprises a knob seat and a knob; the head end of the mirror-in-mirror assembly is connected with the tail end of the telescopic rod through the connecting seat, the mirror-in-mirror assembly comprises a signal wire and a camera, and the signal wire extends into the guide sheath tube; the end of the mirror assembly in the mirror is configured to adjust the angle of the signal line and the camera by rotation; and an endoscope connected to the head end of the sheath assembly through a second connector so that the guide sheath extends into the endoscope.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a bronchoscope middle mirror with a positioning device.
Background
At present, aiming at respiratory diseases, bronchoscopy is one of important diagnosis and treatment means, is widely applied to diagnosis of tracheal and bronchial lesions, and has wider application to treatment of phlegm scab, foreign bodies, benign and malignant stenosis in the bronchus and bronchus. Navigation bronchoscopes can perform minimally invasive exploration and biopsy on deeper bronchial branches and peripheral lesions of the lung which cannot be reached by the bronchoscope by using a navigation technology.
The existing navigation bronchoscope technology generally comprises structures such as a bronchoscope and a positioning device, the positioning device comprises structures such as a sheath tube and a guide wire, the requirement of cooperative operation between the sheath tube and the guide wire on the skill level of a doctor is high, risks such as loosening or falling off easily occur in the use process, the human airway structure is complex, serious wounds are caused to a patient due to slight carelessness, and the technical problems of difficulty in control of the positioning device, unstable connection and the like exist. In addition, the existing positioning device of the navigation bronchoscope lacks a real-time imaging function, and the design and development of the positioning device with the real-time imaging function are beneficial to improving the positioning and operation accuracy of the navigation bronchoscope.
Disclosure of Invention
In view of the above analysis, embodiments of the present invention aim to provide a bronchoscope with a positioning device to solve one or more of the above problems in the prior art.
The purpose of the invention is realized in the following way:
there is provided a bronchoscope having a positioning device comprising, in order:
A sheath assembly comprising a body and an introducer sheath; the main body is provided with a through hole and a connecting part, the guide sheath tube penetrates through the through hole, one end of the guide sheath tube, which is far away from the main body, is provided with a connecting seat, and two ends of the connecting seat are provided with limiting holes;
The head end of the telescopic rod is provided with a first clamping block, and the head end of the telescopic rod is connected with the tail end of the main body through a first connecting piece; the first connecting piece comprises a knob seat and a knob; the knob seat is provided with a connection matching part matched with the connection part, a first positioning hole matched with the first clamping block and a positioning groove; the knob is sleeved on the knob seat and is provided with a second positioning hole and a limiting ring;
The head end of the mirror-in-mirror assembly is connected with the tail end of the telescopic rod through the connecting seat, the mirror-in-mirror assembly comprises a signal wire and a camera, the signal wire extends into the guiding sheath tube, and the camera is positioned at the head end of the signal wire; the tip of the in-lens assembly is configured to adjust the angle of the signal line and the camera by rotation to view a lesion within the bronchus;
And an endoscope connected to a head end of the sheath assembly through a second connector so that the guide sheath extends into the endoscope;
wherein the telescopic rod is configured to adjust the positions of the guide sheath, the signal line and the camera by telescoping; the knob seat is configured to connect the main body with the telescopic rod; the knob is configured to fix or release the telescopic link, the signal line, and the camera by rotation.
Further, the first connecting piece further comprises a sleeve seat, wherein the sleeve seat is positioned at one end close to the telescopic rod and is provided with a second clamping block; the telescopic rod is provided with a third positioning hole matched with the second clamping block.
Further, the sheath assembly further comprises a compression block positioned in the knob seat and configured to cooperate with the knob to compress the sheath assembly and the telescopic rod.
Further, the positioning groove is connected with the second positioning hole through a bolt, and when the knob is rotated, the knob seat is driven to synchronously rotate.
Further, the sheath tube assembly further comprises a locking head, and the locking head is positioned in the compression block.
Further, the mirror assembly in the mirror further comprises a shell, and a first buckle matched with the limiting hole is arranged at one end, close to the connecting seat, of the shell.
Further, the end fixedly connected with connecting valve of telescopic link, end fixedly connected with connecting valve have with spacing hole looks adaptation's second buckle.
Further, the second connecting piece is located at the head end of the main body and comprises a fixing seat, and the fixing seat is respectively connected with the endoscope and the main body.
Further, a connecting sleeve is arranged at one end of the endoscope, which is connected with the fixing seat.
Further, the fixing seat is connected with the main body through a connecting sheet.
Compared with the prior art, the invention has at least one of the following beneficial effects:
a) According to the bronchoscope with the positioning device, the sheath tube component and the telescopic rod are connected through the first positioning hole on the knob seat and the first clamping block on the telescopic rod, after the telescopic rod is adjusted to a proper length, the state of the telescopic rod is fixed through rotating the knob, and meanwhile, the knob seat is driven to rotate, so that the connection matching part on the knob seat is connected to the connection part on the main body; a telescopic rod and a mirror-in-mirror assembly are arranged through a connecting seat at the tail end of the guiding sheath; connecting the sheath tube assembly with the endoscope through a second connecting piece; thereby realizing stable connection among the endoscope, the sheath tube assembly, the telescopic rod and the endoscope-in-endoscope assembly.
B) According to the bronchoscope with the positioning device, the position and the angle of the guiding sheath tube and the camera are flexibly adjusted through the matching of the telescopic rod and the lens assembly in the bronchoscope, so that the position of a focus can be conveniently navigated and positioned, the explored bronchus range is larger, deeper and wider, the guiding sheath tube can be conveniently controlled to enter the deeper bronchus under the real-time imaging guidance of the bronchoscope, the state of the distal bronchus and the focus around the lung can be directly observed, the focus can be positioned and sampled, and the real-time imaging guidance is provided for clinical operation.
C) The bronchoscope with the positioning device provided by the invention has the advantages that the knob is designed to facilitate the fixing and releasing of the telescopic rod by an operator, so that the positions and angles of the signal line and the camera can be conveniently adjusted and fixed, the operation is simple, and the maintenance is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of a bronchoscope of the present invention with a positioning device;
FIG. 2 is a schematic view of the positioning device of the bronchoscope provided by the invention;
FIG. 3 is a schematic view of a sheath assembly according to the present invention;
FIG. 4 is a schematic structural view of a first connecting member according to the present invention;
FIG. 5 is a schematic view of the structure of the connecting valve and the connecting seat according to the present invention;
FIG. 6 is a schematic structural view of a second connector according to the present invention;
FIG. 7 is a schematic view of a telescopic rod according to the present invention;
FIG. 8 is a schematic view of a mirror-in-mirror assembly according to the present invention;
fig. 9 is a schematic cross-sectional view of a positioning device for a bronchoscope according to the present invention.
Reference numerals:
1-a sheath assembly; 11-a body; a 111-connection; 12-an introducer sheath; 121-a connecting seat; 121 a-a limiting hole; 13-a compaction block; 14-locking head; 15-a second connector; 151-fixing seats; 151 a-a connecting piece; 2-a telescopic rod; 21-a first clamping block; 22-a first connector; 221-a knob seat; 221 a-a connection mating portion; 221 b-a first positioning hole; 221 c-a positioning groove; 222-a cannula holder; 222 a-a second latch; 223-knob; 223 a-a second locating hole; 223 b-stop collar; 23-a third positioning hole; 24-connecting a valve; 241-second catch; 3-a mirror-in-mirror assembly; 32-signal lines; 33-a camera; 34-a housing; 341-a first catch; 4-endoscope.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. It should be noted that embodiments and features of embodiments in the present disclosure may be combined, separated, interchanged, and/or rearranged with one another without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.
Example 1
In one embodiment of the present invention, as shown in fig. 1-9, a bronchoscope is disclosed having a positioning device comprising, in order:
a sheath assembly 1 comprising a main body 11 and an introducer sheath 12; the main body 11 is provided with a through hole and a connecting portion 111; the guiding sheath tube 12 is arranged in the through hole in a penetrating way, a connecting seat 121 is arranged at one end, far away from the main body 11, of the guiding sheath tube 12, and limiting holes 121a are formed at two ends of the connecting seat 121;
The head end of the telescopic rod 2 is provided with a first clamping block 21, and the head end of the telescopic rod 2 is connected with the tail end of the main body 11 through a first connecting piece 22; the first connector 22 includes a knob seat 221 and a knob 223; the knob seat 221 is provided with a connection matching portion 221a adapted to the connection portion 111, a first positioning hole 221b adapted to the first clamping block 21, and a positioning groove 221c; the knob 223 is sleeved on the knob seat 221 and is provided with a second positioning hole 223a and a limiting ring 223b;
The head end of the mirror-in-mirror assembly 3 is connected with the tail end of the telescopic rod 2 through the connecting seat 121, the mirror-in-mirror assembly 3 comprises a signal wire 32 and a camera 33, the signal wire 32 extends into the guiding sheath 12, and the camera 33 is positioned at the head end of the signal wire 32; the tip of the in-lens assembly 3 is configured to adjust the angle of the signal line 32 and the camera 33 by rotation to observe a lesion in the bronchus;
And an endoscope 4 connected to the head end of the sheath assembly 1 through a second connector 15 so that the guide sheath 12 extends into the endoscope 4;
Wherein the telescopic rod 2 is configured to adjust the positions of the guide sheath 12, the signal line 32, and the camera 33 by telescoping; the knob seat 221 is configured to connect the main body 11 with the telescopic rod 2; the knob 223 is configured to fix or release the telescopic rod 2, the signal line 32, and the camera 33 by rotation.
In implementation, first, the first clamping block 21 of the telescopic rod 2 is embedded into the first positioning hole 221b of the knob seat 221 to complete connection of the sheath tube assembly 1 and the telescopic rod 2; then, two ends of the connecting seat 121 are respectively connected with the tail end of the telescopic rod 2 and the head end of the mirror-in-mirror assembly 3 so as to complete the connection of the telescopic rod 2 and the mirror-in-mirror assembly 3; two ends of the second connecting piece 15 are respectively connected with the endoscope 4 and the head end of the main body 11 so as to realize the connection of the endoscope 4 and the sheath tube assembly 1; then the telescopic rod 2 is in a complete extension state, the bolt passes through the second positioning hole 223a and the positioning groove 221c, then the knob 223 is rotated to fix the extension state of the telescopic rod 2, and meanwhile, the knob seat 221 is driven to rotate, so that the connection matching part 221a is connected with the connection part 111 of the main body 11, after the connection is completed, the limiting ring 223b of the knob 223 prevents the knob seat 221 from loosening, and thus the installation work is completed; when in use, the free end of the endoscope 4 is placed into the bronchus of a patient, the knob 223 is rotated in the opposite direction to release the telescopic rod 2, the length of the telescopic rod 2 is adjusted according to actual requirements, the length of the guiding sheath 12 and the signal wire 32 extending out of the endoscope 4 is adjusted, namely, the position of the camera 33 is adjusted, after the position adjustment is completed, the angle of the camera 33 is adjusted by rotating the tail end of the mirror assembly 3 in the mirror, and after the angle adjustment is completed, the telescopic rod 2 and the camera 33 are fixed by the knob 223 so as to observe the focus part in the bronchus of the patient.
It should be noted that, the head end of the whole positioning device refers to one end of the guiding sheath tube extending into the endoscope 4, and the tail end refers to one end of the mirror component in the mirror far away from the camera, and each component is sequentially connected in this spatial position.
Illustratively, the connection portion 111 may be an external threaded structure or a snap-fit structure, and the connection mating portion 221a may be a mating internal thread or a locating hole to stably connect the sheath assembly and the telescopic rod through the first connection member.
Compared with the prior art, the bronchoscope with the positioning device provided by the embodiment is connected with the sheath tube assembly and the telescopic rod through the first positioning hole on the knob seat and the first clamping block on the telescopic rod, after the telescopic rod is adjusted to a proper length, the state of the telescopic rod is fixed through rotating the knob, and meanwhile, the knob seat is driven to rotate, so that the connecting matching part on the knob seat is connected to the connecting part on the main body; the telescopic rod is connected with the mirror-in-mirror assembly through a connecting seat at the tail end of the guiding sheath; connecting the sheath tube assembly with the endoscope through a second connecting piece; thereby realizing stable connection among the endoscope, the sheath tube assembly, the telescopic rod and the endoscope-in-endoscope assembly.
On the other hand, through the cooperation of the telescopic rod and the mirror component in the mirror, the position and the angle of the camera are flexibly adjusted, so that the position of a focus is conveniently navigated and positioned, the exploreable bronchus range is larger, deeper and wider, the guiding sheath tube is conveniently controlled to enter the deeper bronchus under the real-time imaging guidance of the mirror in the bronchoscope, the state of the distal bronchus and the focus on the periphery of the lung are directly observed, the focus can be positioned and sampled, and the real-time imaging guidance is provided for clinical operation; the design of knob is convenient for the operator fix and release the telescopic link to be convenient for adjust and fixed signal line and camera's position and angle, easy operation is convenient for maintain.
In some embodiments, the guiding sheath 12 is composed of a flexible section, a semi-rigid section and a rigid section, the flexible section is arranged at one end far away from the main body 11, so that a patient suffering from a wound can be prevented, the semi-rigid section is arranged between the flexible section and the rigid section, the bronchoscope can conveniently enter a complex bronchoscope environment, and the rigid section is arranged at one end near to the main body 11 and is used for providing supporting force for the guiding sheath 12.
In some embodiments, the signal wire 32 is composed of a flexible section and a rigid section, the camera 33 is disposed at the foremost end of the flexible section, the signal wire 32 is disposed through the guiding sheath 12 and extends into the endoscope to observe the condition of the bronchus of the patient.
Illustratively, the materials of both the introducer sheath 12 and the signal wire 32 include: the outermost layer is a barium sulfate coating, and can be developed additionally so as to detect the position of the bronchoscope in a patient in cooperation with X-ray operation; the second layer is a pebax layer, and on the premise of no plasticizer, the guiding sheath pipes and the signal wires with different flexibilities and different hardness are obtained; the third layer is a metal woven net so as to increase the supporting force; the innermost layer is a ptfe layer, so that the lubrication degree and corrosion resistance can be improved.
In this embodiment, the first connecting piece 22 further includes a sleeve seat 222, where the sleeve seat 222 is located near one end of the telescopic rod 2 and is provided with a second clamping block 222a; the telescopic rod 2 is provided with a third positioning hole 23 adapted to the second clamping block 222 a.
Specifically, the sleeve seat 222 is used for connecting the telescopic rod 2, the outer wall of the telescopic rod 2 is provided with a third positioning hole 23, the sleeve seat 222 is provided with a second clamping block 222a, and the sleeve seat 222 is provided with a through hole matched with the diameter of the guiding sheath 12, so that the guiding sheath 12 extends to the tail end of the telescopic rod 2, the signal wire 32 is positioned in the guiding sheath 12 as completely as possible, and the situation that the camera is difficult to stably observe the bronchus of a patient due to shaking when the signal wire 32 is too long is prevented.
In this embodiment, the sheath assembly 1 further includes a compression block 13, where the compression block 13 is located in the knob seat 221 and is configured to cooperate with the knob 223 to compress the sheath assembly 1 and the telescopic rod 2.
Specifically, the pressing block 13 is provided in the knob holder 221, and when the knob 223 is rotated, the pressing block 13 is pressed by a force to press other members in the knob holder 221.
In this embodiment, the positioning groove 221c and the second positioning hole 223a are connected by a bolt, and are configured to drive the knob seat 221 to rotate synchronously when the knob 223 is rotated.
Specifically, the positioning groove 221c is obliquely designed along the outer wall of the knob seat 221, and the sizes and the spatial positions of the positioning groove 221c and the second positioning hole 223a are adapted, and after the bolt passes through, the knob 223 and the knob seat 221 are connected; when the telescopic connecting device is used, the knob seat 221 can be driven to synchronously rotate only by rotating the knob 223, so that the sheath tube assembly and the telescopic rod are stably connected through the first connecting piece.
In this embodiment, the sheath assembly 1 further includes a locking head 14, and the locking head 14 is located in the compression block 13.
Illustratively, the material of the locking head 14 includes silica gel, plastic, etc., when the knob 223 is rotated and the connection fitting portion of the knob seat 221 is connected with the connection portion of the main body 11, the locking head 14 is pressed by mechanical stress to deform, so as to compress the guiding sheath 12, prevent the guiding sheath 12 from loosening or falling, and be suitable for guiding sheaths of different sizes.
In this embodiment, the mirror assembly 3 further includes a housing 34, and a first buckle 341 adapted to the limiting hole 121a is disposed at one end of the housing 34 near the connection seat 121.
Specifically, the mirror assembly 3 is internally provided with a detection circuit to acquire an image of the patient at the camera, and is connected to the display device through an external signal line to transmit the image to the display device in real time, and the housing 34 is used for protecting the circuit and is connected to the connection base 121 through the first buckle 341.
In some embodiments, the end hub of the housing 34 of the in-mirror assembly is also provided with a sheet-like structure that rotates coaxially with the signal line 32 and carries a pointer; the peripheral of the sheet structure is also provided with an angle indication mark; meanwhile, the inner wall of the front end of the bronchoscope of the endoscope 4 is also provided with a corresponding angle indication mark; in the use process, when the signal wire 32 is inserted into the guiding sheath tube 12 to synchronously bend or rotate, the sheet structure at the tail end of the shell 34 rotates by the same angle, and the angle of the signal wire 32 and the guiding sheath tube 12 in the bronchus is judged according to the relative position of the pointer pointing angle indication mark, so that a user can conveniently judge the direction of the current field of view, and the accurate examination is performed on the patient.
In some embodiments, the position of the bronchoscope in the bronchi, as well as lesion identification, can also be identified by images taken at the camera, assisting in diagnosis.
By way of example, the method may be any of the following:
(I) Image feature matching, namely, an image database containing different bronchus branch parts is required to be established, features in the shot images are extracted, and feature matching algorithms such as SIFT, SURF and the like are utilized to match with the images in the database;
(II) deep learning and image classification, first collecting a dataset containing a large number of bronchial branch images and labeling; then training the deep learning model by utilizing the data set; a classification model is then trained to classify the bronchoscopic images into specific bronchial branches.
In some embodiments, the forward end of the bronchoscope of endoscope 4 is also provided with a camera configured to provide a real-time image and to identify the current position of introducer sheath 12 in the bronchi, so that the operator properly feeds introducer sheath 12 into the finer, deeper bronchi and lung areas that are not accessible by conventional bronchoscopes, under the guidance of the real-time image, until the target bronchi or lesions are reached.
In some embodiments, the inner wall and the outer wall of the guiding sheath 12 are provided with scales corresponding to each other, and the scales are configured to judge the true position of the focus by combining the position of the camera 33 and the current endoscope 4 while observing the focus position through the camera 33, so that a doctor can be conveniently assisted to accurately guide the biopsy forceps to sample the focus when performing a biopsy operation by using the bronchoscope.
The bronchoscope provided by the embodiment can also be used for sampling the focus in the bronchus of a patient in a matching way, and the specific operation method is as follows: after the focus in the bronchus is observed and the true position is determined, the connection between the first buckle 341 and the connecting seat 121, that is, the connection between the telescopic rod 2 and the mirror assembly 3 in the mirror is released, after the mirror assembly 3 in the mirror is pulled out, the device for sampling biopsy is connected to the connecting seat 121, such as a biopsy forceps, and sampling biopsy is performed after the device extends from the inside of the guiding sheath 12 to the focus position.
In some embodiments, after the biopsy is completed, the bronchoscope provided in this embodiment may also be used for interventional therapy, and the specific operation method is as follows: the biopsy sampling device is removed, and the treatment device is connected to the connection base 121 to treat the lesion.
In this embodiment, the end of the telescopic rod 2 is fixedly connected with a connection valve 24, and the connection valve 24 has a second buckle 241 adapted to the limiting hole 121 a.
Specifically, the first buckle 341 on the housing 34 and the second buckle 241 on the connecting valve 24 are respectively clamped into the limiting holes 121a at two ends of the connecting seat 121, so as to stably connect the telescopic rod 2 and the mirror-in-mirror assembly 3 through the connecting seat 121.
In this embodiment, the second connecting piece 15 is located at the head end of the main body 11, and includes a fixing base 151, where the fixing base 151 is connected to the endoscope 4 and the main body 11 respectively.
Specifically, the second connector 15 is configured to connect the endoscope 4 with the main body 11 through the fixing base 151.
In this embodiment, a connection sleeve is disposed at an end of the endoscope 4 connected to the fixing base 151.
The connecting sleeve is illustratively composed of at least two connecting tubes with annular limiting members on the outer walls, so that when the endoscope is connected with the main body 11, a self-locking state is formed, and the endoscope is prevented from loosening or falling off in the use process.
In this embodiment, the fixing base 151 is connected to the main body 11 through a connecting piece 151 a.
Illustratively, the fixing base 151 has an annular structure with a connecting piece 151a for connecting the main body 11; the main body 11 is provided with a positioning hole matched with the connecting sheet 151a, and bolts penetrate through the connecting sheet 151a and the positioning hole to connect the fixing seat 151 and the main body 11, so as to connect the second connecting piece 15 and the sheath tube assembly 1.
In some embodiments, the main body 11 is further sleeved with a protective shell, the size of the protective shell is the same as or similar to that of the main body 11, a plurality of limiting strips are arranged on the inner wall, an open slot is arranged on the outer wall for the connecting sheet 151a to be inserted, and an opening hole is arranged in the open slot for a bolt to pass through so as to fix the protective shell and the main body 11.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A bronchoscope endoscope with a positioning device, which is characterized by comprising the following components connected in sequence:
A sheath tube assembly (1) comprising a main body (11) and an introducer sheath tube (12); the main body (11) is provided with a through hole and a connecting part (111), the guiding sheath tube (12) is penetrated in the through hole, one end, far away from the main body (11), of the guiding sheath tube (12) is provided with a connecting seat (121), and two ends of the connecting seat (121) are provided with limiting holes (121 a);
The head end of the telescopic rod (2) is provided with a first clamping block (21), and the head end of the telescopic rod (2) is connected with the tail end of the main body (11) through a first connecting piece (22); the first connecting piece (22) comprises a knob seat (221) and a knob (223); the knob seat (221) is provided with a connection matching part (221 a) matched with the connection part (111), a first positioning hole (221 b) matched with the first clamping block (21) and a positioning groove (221 c); the knob (223) is sleeved on the knob seat (221) and is provided with a second positioning hole (223 a) and a limiting ring (223 b);
The head end of the mirror-in-mirror assembly (3) is connected with the tail end of the telescopic rod (2) through the connecting seat (121), the mirror-in-mirror assembly (3) comprises a signal wire (32) and a camera (33), the signal wire (32) extends into the guiding sheath tube (12), and the camera (33) is positioned at the head end of the signal wire (32); the tip of the in-lens assembly (3) is configured to adjust the angle of the signal line (32) and the camera (33) by rotation to view a lesion within the bronchus;
And an endoscope (4) connected to the head end of the sheath tube assembly (1) by a second connector (15) so that the guide sheath tube (12) extends into the endoscope (4);
Wherein the telescopic rod (2) is configured to adjust the positions of the guide sheath (12), the signal line (32) and the camera (33) by telescoping; the knob seat (221) is configured to connect the main body (11) with the telescopic rod (2); the knob (223) is configured to fix or release the telescopic rod (2), the signal line (32) and the camera (33) by rotation.
2. The bronchoscope according to claim 1, wherein said first connector (22) further comprises a cannula holder (222), said cannula holder (222) being located near one end of said telescoping rod (2), provided with a second clamping block (222 a); the telescopic rod (2) is provided with a third positioning hole (23) matched with the second clamping block (222 a).
3. Bronchoscope according to claim 1, wherein the sheath tube assembly (1) further comprises a compression block (13), the compression block (13) being located within the knob housing (221) and configured to compress the sheath tube assembly (1) and the telescopic rod (2) in cooperation with the knob (223).
4. A bronchoscope according to claim 3, wherein the positioning groove (221 c) and the second positioning hole (223 a) are connected by a bolt, and are configured to rotate the knob (223) synchronously with the knob seat (221).
5. A bronchoscope according to claim 3, wherein said sheath tube assembly (1) further comprises a locking head (14), said locking head (14) being located within said compression block (13).
6. The bronchoscope of claim 1, wherein the bronchoscope assembly (3) further comprises a housing (34), and a first buckle (341) matched with the limiting hole (121 a) is arranged at one end, close to the connecting seat (121), of the housing (34).
7. The bronchoscope middle mirror with the positioning device according to claim 6, wherein the tail end of the telescopic rod (2) is fixedly connected with a connecting valve (24), and the connecting valve (24) is provided with a second buckle (241) matched with the limiting hole (121 a).
8. Bronchoscope according to claim 1, wherein said second connection (15) is located at the head end of said main body (11), comprising a fixed seat (151), said fixed seat (151) being connected to said endoscope (4) and to said main body (11), respectively.
9. Bronchoscope according to claim 8, wherein the end of the endoscope (4) connected with the fixing base (151) is provided with a connecting sleeve.
10. Bronchoscope according to claim 9, wherein said fixing seat (151) is connected with said main body (11) by means of a connecting piece (151 a).
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| CN202410874040.2A CN118415570B (en) | 2024-07-02 | 2024-07-02 | A bronchoscope with a positioning device |
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| CN202410874040.2A CN118415570B (en) | 2024-07-02 | 2024-07-02 | A bronchoscope with a positioning device |
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| CN118415570B true CN118415570B (en) | 2024-09-13 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711119A (en) * | 2007-04-05 | 2010-05-19 | 范围防护有限公司 | Apparatus for deploying endoscope |
| CN117881329A (en) * | 2023-11-24 | 2024-04-12 | 浙江优亿医疗器械股份有限公司 | An integrated micro-endoscopic probe assembly with controllable direction of bronchus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7384422B2 (en) * | 2002-05-06 | 2008-06-10 | Pressure Products Medical Supplies, Inc. | Telescopic, separable introducer and method of using the same |
| CN219480029U (en) * | 2023-03-07 | 2023-08-08 | 张大伟 | Integrated miniature endoscope probe assembly with controllable bronchus direction |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711119A (en) * | 2007-04-05 | 2010-05-19 | 范围防护有限公司 | Apparatus for deploying endoscope |
| CN117881329A (en) * | 2023-11-24 | 2024-04-12 | 浙江优亿医疗器械股份有限公司 | An integrated micro-endoscopic probe assembly with controllable direction of bronchus |
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| CN118415570A (en) | 2024-08-02 |
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