CN207928302U - Has the portable electronic nasopharyngolarygnoscope of leakage detection structure - Google Patents

Abstract

The utility model discloses a portable electronic nose and throat mirror with a leakage detection structure, which comprises a display part, a handle assembly and an insertion part; the handle assembly includes a control part main body and a handle; The front end is provided with a bendable part and the head of the insertion part provided with an imaging sensor unit; a turntable for controlling the bending of the head of the insertion part is provided in the main body of the control part, and the control handle of the turntable is arranged outside one side of the main body of the control part. On the other side of the main body of the control part, there is a leak testing assembly; the leak testing assembly includes a leak testing seat, a valve needle set on the outer end of the leak testing seat, a leak testing seat cover set on the inner end of the leak testing seat and a device The valve needle spring which is in the leak detection seat and resists the leak detection seat cover and the valve needle respectively. The utility model improves the connection structure, so that the device has better sealing performance, and at the same time, a leak detection structure is arranged on the handle assembly, which effectively reduces the problem of device damage caused by sealing problems during disinfection.

Description

Portable electronic rhinolaryngoscope with leak detection structure

technical field

The utility model belongs to the technical field of medical instruments, in particular to an electronic visualization endoscope which extends into the inside of a human body to observe, diagnose and treat diseased organs inside the human body.

Background technique

With the advancement of medical device technology, portable electronic endoscopes have become an essential medical device in hospitals. Portable nasopharyngoscope is one of them. In addition to the advantages of portability, portable nasopharyngoscope can be reused through disinfection. Portable laryngoscope should meet the sterilization requirements under high temperature and high pressure, and its structure must have better sealing. For example, the Chinese utility model patent with publication number CN201324225Y discloses a high temperature and high pressure resistant sinus mirror, which is mainly suitable for people's sinus surgery. . The utility model comprises an outer mirror tube, a mirror tube, a spacer tube, a front objective lens, an objective lens, a main body, an optical fiber seat, an adjustment seat, an adjustment tube, an eyepiece, an eyepiece connecting pipe, an eyepiece cover and an eyepiece protective sheet, and is characterized in that: There are object end protection sheet, lens holder, objective lens tube, spacer and eye end sealing tube, the object end protection sheet is fixed to the lens base, and the lens base is fixed to the mirror tube; the objective lens tube is bonded to the spacer; the eye end sealing tube is One end is welded with the main body, and the other end is fixed with the eye end protection sheet; the outer mirror tube is welded with the main body, and the fiber holder is screwed with the main body before welding. Although the endoscope has a certain performance of high temperature and high pressure resistance through some sealing techniques, due to repeated use, it is inevitable that the material will age or the structure will become loose, which will cause the sealing failure of the nasopharyngoscope during disinfection and the inner cavity will leak. Therefore, a leak detection structure is required for the reusable electronic endoscope, and the leak detection should be carried out before it is sterilized by high temperature and high pressure, so as to avoid serious problems of damage to the endoscope due to leakage.

Contents of the invention

The technical problem to be solved by the utility model is to provide a portable electronic nose-throat-laryngoscope with a leak detection structure. By improving the connection structure of the parts on the handle assembly, the device has better sealing performance. A leak detection structure is arranged on the component, which effectively reduces the problem of damage to the device due to sealing problems during disinfection.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a portable electronic nasopharyngoscope with a leak detection structure, including a display part, a handle assembly and an insertion part; the handle assembly includes a control part main body and a handle; The display part is arranged on the top of the main body of the control part, and the front end of the insertion part is provided with a bendable part and an insertion part head with an imaging sensor unit; The turntable with a curved head, the control swing arm of the turntable is arranged outside one side of the main body of the control part, and a leak detection assembly is arranged on the other side of the main body of the control part; the leak detection assembly includes a leak detection seat , a valve needle arranged on the outer end of the leak detection seat, a leak detection seat cover arranged on the inner end of the leak detection seat, and a valve needle spring arranged in the leak detection seat and resisting the leak detection seat cover and the valve needle respectively. This technical solution improves the connection structure of the various parts on the handle assembly, so that the device has better sealing performance. At the same time, a leak detection structure is provided on the handle assembly, which effectively reduces the risk of damage to the device due to sealing problems during disinfection. question.

In order to facilitate the quick disassembly and assembly of the display part when it is sterilized, a quick disassembly structure is provided between the display part and the handle assembly; seat and a quick-connect sleeve arranged at the bottom of the display part; the quick-connect sleeve is rotatably sleeved on the electrical socket at the bottom of the display part; Positioning nails and joint positioning nails, an arc-shaped guide groove is provided on the peripheral wall of the quick-connect sleeve, and a card slot corresponding to the joint positioning nail is provided at the end of the guide groove. An axially extending positioning groove corresponding to the limiting nail is provided on the top.

An inner passage is provided in the insertion part; a suction valve assembly communicated with the inner passage is arranged on the upper side of the handle, and a suction valve assembly communicated with the inner passage is arranged on the lower side of the handle. Medicine connection tube; the inner passage includes a suction connection tube and an insertion tube communicated with the suction valve assembly, and the injection connection tube is connected between the suction connection tube and the insertion tube through a three-way assembly.

In order to improve the sealing performance of the insertion part at the bendable part, reduce the patient's allergic reaction to the metal insertion part, and improve the patient's comfort during insertion, the bendable part of the insertion part includes several joint units pivotally connected to each other, respectively The upper connection joint and the lower connection joint pivotally connected with the upper and lower ends of the joint unit, there is a connection gap between the joint units, between the joint unit and the upper connection joint, and between the joint unit and the lower connection joint; The joint unit, the upper connecting joint and the lower connecting joint are covered with a corner rubber; the corner rubber is made of soft material and wires are arranged at both ends of the corner rubber. The setting of the wire tie improves the flexibility of the corner rubber and prevents it from falling off when it is bent.

The technical scheme of the utility model improves the connection structure of each part on the handle assembly, so that the device has better sealing performance. Corruption problem.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the utility model.

Fig. 3 is a structural schematic diagram of the utility model, in which the handle assembly and the shell of the insertion part are removed.

Fig. 4 is a structural schematic diagram of the guide rail assembly in the present invention.

Fig. 4A is a schematic diagram of the limit structure of the turntable in the present invention.

Fig. 5 is a schematic diagram of the upper and lower cables and the connection structure of the guide rail assembly in the present invention.

Fig. 6 is a schematic structural diagram of a leak detection component in the present invention.

Fig. 7 is a structural schematic diagram of the bendable part of the insertion part in the present invention.

Fig. 8 is a schematic structural view of the bendable part of the insertion part in the present invention.

Fig. 9 is a schematic structural diagram of the bendable part of the insertion part in the present invention, which shows the connection structure of the cable and the bendable part.

Fig. 10 is a schematic diagram of the quick connection structure of the display part and the handle assembly in the present invention.

Fig. 11 is a schematic diagram of the structure of the quick connector in the utility model.

Fig. 12 is a schematic diagram of the structure of the quick connector of the present invention.

Among them: handle assembly 1, control part main body 11, turntable 111, control swing arm 112, angle limit block 113, angle limit column 114, suction port 115, turntable support 116, handle 12, drug injection port 121, guide rail assembly 13 , upper bracket 131, lower bracket 132, traction limit block 133, angled conduit 134, guide rail main board 135, guide rail cover plate 136, cable connector 137, cable fixing sleeve 138, cable lower joint 139, cable slide Pin 130, cable 14, upper cable 141, lower cable 142, leak detection assembly 15, leak detection seat 151, valve needle 152, leak detection seat cover 153, valve needle spring 154, tee assembly 16, upper tee pipe 161, lower three-way pipe 162, insertion pipe 163, suction valve assembly 17, suction connection pipe 171, injection connection pipe 18, quick connector seat 19, limit nail 191, joint positioning nail 192, display part 2, quick connector sleeve 21. Positioning groove 211, guide groove 212, card groove 213, insertion part 3, bendable part 31, upper connecting joint 311, joint unit 312, lower connecting joint 313, cable groove 314, corner rubber 315, tie wire 316 , the insertion part head 32 , and the camera PCB board 4 .

Detailed ways

Below by specific embodiment, in conjunction with accompanying drawing, the technical scheme of the utility model is described further in detail:

Referring to FIG. 1 , FIG. 2 and FIG. 3 , a portable electronic visualization nasopharyngoscope includes a handle assembly 1 , a display part 2 and an insertion part 3 . The handle assembly 1 includes a control part main body 11 , a handle 12 , an upper bracket 131 and a lower bracket 132 . The upper bracket 131 is a plate, the lower bracket 132 is a pipe, and a terminal joint is arranged at the lower end of the lower bracket 132 . A control unit including the control unit main body 11 is connected to the upper end of the upper bracket 131 . The upper end of the lower bracket 132 is connected to the lower end of one side of the upper bracket 131 through a fork structure. Two openings are respectively opened on both sides of the lower bracket 132 , and the camera PCB board 4 and the tee assembly 16 are respectively arranged through the two openings. The insertion part 3 is connected to the lower end of the lower bracket 132 through a terminal joint. The lower portion of the insertion portion 3 includes a bendable portion 31 and an insertion portion head 32 . A camera sensing unit and a light guide (not shown in the figure) are provided in the insertion part head 32 . The insertion part head 32 is bent within an angle range under the control of the control part through the bendable part 31 .

Referring to FIG. 4 , FIG. 4A and FIG. 5 , the control part includes a control swing arm 112 , a turntable 111 controlled to rotate by the control swing arm 112 , a cable 14 and a guide rail assembly 13 . The guide rail assembly 13 includes a guide rail main board 135 and a traction limiting block 133 fixed on the other side of the lower bracket 132 . A guide rail cover 136 is connected to the guide rail main board 135 and two guide grooves are formed on both sides of the guide rail main board 135 . In this guide groove, be provided with drag cable connector 137, drag cable fixing sleeve 138, drag cable lower joint 139 and drag cable sliding pin 130; The pull down cable 142. Upper stay cable 141 is connected on the top of stay cable connector 137 by stay cable fixing sleeve 138, and pull down cable 142 passes stay cable sliding pin 130 and is connected to the bottom of stay cable connector 137 by stay cable lower joint 139, makes stay cable The connecting head 137 slides along the guide grooves on both sides of the guide rail main board 135 under the traction of the control part. The traction limit block 133 is provided with a Y-shaped channel and an angled conduit 134. The two ends of the upper cable 141 after wrapping around the turntable 111 respectively pass through the traction limit block 133 from large to small, and then descend in parallel and pass through the pulley. The cable connector 137 is connected to the drop cable 142 . The thicker part of the upper cable has better wear resistance, while the thinner part of the lower cable extends in the insertion part, which can reduce the space occupied by the insertion part and increase the flexibility of the cable when pulling. The turntable 111 is fixed on the upper bracket 131 by a turntable bracket 116; a pair of angle limit blocks 113 are arranged on one side of the turntable bracket 116, and a pair of angle limit blocks 113 are arranged on the rotating shaft of the turntable to be positioned between the two angle limit blocks 113. Angle limit column 114. The angle limiting block 113 is provided with an adjustment groove, and the angle limiting block 113 is fixed on the turntable bracket 116 by an adjusting screw, and the circumferential angle between the two angle limiting blocks can be adjusted by adjusting the screw, that is, the control turntable 111 of rotation angle.

Referring to FIG. 6 , the control swing arm 112 is arranged on one side of the control part, and a leak detection component 15 is arranged on the other side of the control part. The leak detection assembly 15 includes a leak detection seat 151, a valve needle 152 disposed on the outer end of the leak detection seat 151, a leak detection seat cover 153 disposed on the inner end of the leak detection seat 151, and a leak detection seat 151 disposed in the leak detection seat 151 and respectively The valve needle spring 154 against the leak detection seat cover 153 and the valve needle 152. An external leak detection system (not shown in the figure) can test the airtightness of the inner cavity of the nasopharyngoscope through the leak detection component 15, so as to prevent the nasopharyngoscope from being damaged when it is sterilized under high temperature and high pressure.

Referring to FIG. 7 , FIG. 8 and FIG. 9 , the bendable part 31 of the insertion part 3 includes an upper connecting joint 311 , a lower connecting joint 313 and joint units 312 which are pivotally connected to each other in turn. Connection gaps are provided between the joint units 312 and between the joint units 312 and the upper connecting joint 311 , and between the joint unit 312 and the lower connecting joint 313 . The connection gap gradually increases from the pivot axis to both sides, forming gradually increasing unit bending angles A on both sides of the pivot axis. In this embodiment, the bendable part 31 is composed of 13 joint units, and the bending angle between the joint units 312 is 12.5 degrees. Both sides of each joint unit 312 are provided with a cable groove 314, and the cable 14 controlled by the control part enters the insertion part 3 after being guided by the guide rail assembly 13 and passes through the cable groove 314 on the upper part of the bendable part 31. And be connected on the lower connection joint 313 both sides. Corner rubber 315 is provided on the outer cover of the curved portion. The corner rubber is a soft material and is provided with wire 316 inside the two ends of the corner rubber to increase the flexibility of the corner rubber at this place. The use of the bendable part of the joint structure makes the inner channel blocked or the spring pliers locked when the head of the insertion part is bent.

An upwardly inclined suction port 115 is provided on the control unit main body 111 , and a suction valve assembly 17 is provided in the suction port 115 . The suction valve assembly 17 includes a suction connection tube 171 . One side of the lower part of the handle 12 is provided with a drug injection port 121 . A three-way assembly 16 is arranged inside the handle 12 at the injection port 121 . The tee assembly 16 includes an upper tee pipe 161 and a lower tee pipe 162 connected up and down. The suction connection pipe 171 of the suction valve assembly 17 extends downwards in the handle 12 and is connected to the upper three-way pipe 161 , and an insertion pipe 163 is connected to the lower three-way pipe 162 , and the insertion pipe 163 communicates with the insertion part head 32 all the time. A medicine injection connecting pipe 18 communicating with the three-way assembly 16 is provided on the medicine injection port 121 of the handle 12 . Through the structure of a three-way assembly 16, only one internal channel is required to be set in the nasopharyngoscope to realize the functions of suction and drug injection or micro-surgery, which reduces the volume of the insertion part, thereby improving the patient's safety when inserting the insertion part. comfort.

Referring to Fig. 10, Fig. 11 and Fig. 12, in order to avoid damage to the display part 2 during disinfection, the display part is detachably connected to the handle assembly 1 through a quick connection structure. The quick connection structure includes a quick connection seat 19 arranged on the top of the control part main body 11 and a quick connection sleeve 21 arranged at the lower end of the display part 2 . The bottom of the quick-connect seat 19 is an electric plug, and the inner and outer walls of the quick-connect seat 19 are respectively circumferentially evenly distributed with limiting nails 191 and joint positioning nails 192 . An electric socket corresponding to the electric plug is provided at the bottom of the quick-connect sleeve 21 , and the quick-connect sleeve 21 is rotatably sleeved on the electric socket. Sliding slots are evenly distributed in the circumferential direction on the peripheral wall of the quick-connect sleeve 21 . The sliding slot includes a guide slot 212 opening downward and a slot 213 at the end of the guide slot. The quick-connect sleeve 21 is rotated so that the joint positioning pin 192 on the quick-connect seat 19 fits into the engaging groove 213 . Axially extending positioning grooves 211 are evenly distributed in the circumferential direction on the outer peripheral wall of the electrical socket. The positioning groove 211 cooperates with the limit nail 191, and when the quick-connect sleeve 21 rotates, the rotation of the electrical socket is restricted, so that the electric socket is inserted into the electric connector under the guidance of the limit nail 191, and the quick disassembly and assembly of the display part 2 is realized. .

The specific embodiments are for a clearer understanding of the utility model, and are not intended as a limitation on the rights of the utility model. Various changes can be made without departing from the purpose of the utility model. Modifications obvious to those skilled in the art are intended to be included within the scope of the claims.

Claims (5)

1. A portable electronic rhinolaryngoscope with a leak detection structure, comprising a display part, a handle assembly and an insertion part; the handle assembly includes a control part main body and a handle; the display part is arranged on the top of the control part main body, The front end of the insertion part is provided with a bendable part and a head of the insertion part provided with an imaging sensing unit; it is characterized in that: a turntable for controlling the bending of the head of the insertion part is provided in the main body of the control part, and the turntable The control handle is arranged outside one side of the main body of the control part, and a leak detection assembly is provided on the other side of the main body of the control part; the leak detection assembly includes a leak detection seat, a The valve needle, the leak detection seat cover arranged on the inner end of the leak detection seat and the valve needle spring arranged in the leak detection seat and resisting the leak detection seat cover and the valve needle respectively. 2. The portable electronic rhino-laryngoscope with leak detection structure according to claim 1, characterized in that: a quick disassembly structure is provided between the display part and the handle assembly; the quick disassembly structure It includes a quick connector set at the top of the handle assembly and a quick connector set at the bottom of the display part; the quick connector is rotatably sleeved on the electrical socket at the bottom of the display part; The inner and outer surfaces of the peripheral wall of the quick-connect seat are respectively provided with limit nails and joint positioning nails, an arc-shaped guide groove is provided on the peripheral wall of the quick-connect sleeve, and an arc-shaped guide groove is provided at the end of the guide groove corresponding to the joint positioning nail. The locking slot is provided with an axially extending positioning slot corresponding to the limiting nail on the outer peripheral wall of the electrical socket. 3. The portable electronic nose-throat-laryngoscope with leak detection structure according to claim 1 or 2, characterized in that: an inner channel is provided in the insertion part; A suction valve assembly communicated with the inner channel, a drug injection connection tube communicated with the inner channel is provided on the lower side of the handle; the inner channel includes a suction connection tube and an insertion tube communicated with the suction valve assembly, The injection connecting tube is connected between the suction connecting tube and the insertion tube through a three-way assembly. 4. The portable electronic rhino-laryngoscope with a leak detection structure according to claim 1 or 2, characterized in that: the bendable part of the insertion part includes several joint units pivotally connected to each other, which are respectively pivoted with the upper and lower ends of the joint units. Connected upper connecting joint and lower connecting joint, between the joint units and between the joint unit and the upper connecting joint, there is a connection gap between the joint unit and the lower connecting joint; in the flexible part, the joint unit, the upper connecting joint An angled rubber is sheathed outside the joint and the lower connecting joint; the angled rubber is made of soft material and wires are arranged inside the two ends of the angled rubber. 5. The portable electronic rhino-laryngoscope with leak detection structure according to claim 3, characterized in that: the bendable part of the insertion part includes several joint units pivotally connected to each other, and joint units pivotally connected to the upper and lower ends of the joint units respectively. The upper connection joint and the lower connection joint, there is a connection gap between the joint units and between the joint unit and the upper connection joint, and between the joint unit and the lower connection joint; the joint unit, the upper connection joint and the joint unit of the flexible part An angled rubber is sheathed outside the lower connecting joint; the angled rubber is made of soft material and wires are provided at both ends of the angled rubber.