CN215650989U

CN215650989U - Hard tube endoscope

Info

Publication number: CN215650989U
Application number: CN202122310310.1U
Authority: CN
Inventors: 王俊书; 曾宪龙
Original assignee: Beijing Blade Opto Electronic Technology Development Co ltd
Current assignee: Beijing Blade Opto Electronic Technology Development Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-28
Anticipated expiration: 2031-09-23

Abstract

The application relates to a hard tube endoscope, which comprises a handle, a tube seat fixed with the handle, a tube fixed with the tube seat, and a needle tail seat, wherein the tube extends along the direction away from the handle, the needle tail seat is arranged at one end of the handle away from the tube, the hard tube endoscope also comprises an installation tube fixed at one end of the handle away from the needle tail seat, the tube seat is inserted in the installation tube and detachably connected with the handle, a blocking ring is fixed on the tube seat, and the installation tube is abutted against one surface of the blocking ring close to the handle; the endoscope tube base is sleeved with a connecting sleeve, the inner end face of one end, close to the endoscope tube, of the connecting sleeve is abutted to the face, away from the handle, of the blocking ring, threads are arranged on the inner wall of the connecting sleeve, and the surface, away from the endoscope tube base, of the mounting tube is provided with threads matched with the connecting sleeve. The application has the effect that only the lens tube seat needs to be replaced to reduce resource waste when the lens tube is damaged.

Description

Hard tube endoscope

Technical Field

The application relates to the field of medical equipment, in particular to a hard tube endoscope.

Background

With the expansion of the application range of the hard tube endoscope, the frequency of using the hard tube endoscope by various doctors is higher and higher. The hard tube endoscope is mainly used for natural cavity of human body surface layer and superficial layer position and focus diagnosis and treatment of cavity through puncture opening, such as cystoscope and hysteroscope, etc., and can not be bent in operation.

In the related art, chinese utility model patent with publication number CN201641951U discloses a binary channels superfine endoscope, including the endoscope pipe, the handle is connected to the endoscope rear end, the handle is connected with the tailstock, and the endoscope is equipped with the apparatus passageway in getting into human endoscope pipe, and the apparatus passageway is used for medical personnel to use apparatus or laser to treat.

In view of the above-mentioned related technologies, the endoscope tube of the hard tube endoscope is generally directly fixed on the handle, and the inventor thinks that the whole endoscope needs to be replaced after the endoscope tube is bent, and the problem of resource waste exists in the whole replacement of the endoscope.

SUMMERY OF THE UTILITY MODEL

In order to reduce the resource waste caused by the integral replacement of the endoscope, the application provides a hard tube endoscope.

The hard tube endoscope adopts the following technical scheme:

a hard tube endoscope comprises a handle, a tube seat fixed with the handle, a tube fixed with the tube seat, and a needle tail seat, wherein the tube extends along the direction far away from the handle, the needle tail seat is positioned at one end of the handle far away from the tube, the hard tube endoscope also comprises an installation tube fixed at one end of the handle far away from the needle tail seat, the tube seat is inserted in the installation tube and detachably connected with the handle, a blocking ring is fixed on the tube seat, and the installation tube is abutted to one surface of the blocking ring, which is close to the handle; the endoscope tube base is sleeved with a connecting sleeve, the inner end face of one end, close to the endoscope tube, of the connecting sleeve is abutted to the face, away from the handle, of the blocking ring, threads are arranged on the inner wall of the connecting sleeve, and the surface, away from the endoscope tube base, of the mounting tube is provided with threads matched with the connecting sleeve.

Through adopting above-mentioned technical scheme, realize that mirror tube seat and handle can dismantle and be connected, mirror tube seat pegs graft in the installation intraductally, stop the ring and block spacingly to mirror tube seat, reduce the whole possibility of pegging graft into the installation intraductally of mirror tube seat, adapter sleeve and installation pipe threaded connection improve the stability of connecting, the convenient to detach installation simultaneously. When the endoscope tube is damaged, only the endoscope tube seat needs to be disassembled and replaced, so that the resource waste caused by the integral replacement of the endoscope is reduced.

Optionally, one end of the mounting tube, which is far away from the lens tube, is provided with a plurality of locking bolts, the locking bolts are in threaded connection with the mounting tube, and one ends of the locking bolts, which are far away from the nut, are abutted to the lens tube base.

Through adopting above-mentioned technical scheme, locking bolt further locks installation pipe and mirror tube seat, reduces the screw and descends because of wearing and tearing connection function to lead to the possibility of mirror tube seat and installation pipe separation.

Optionally, the surface of the mounting tube is provided with a nut groove matched with a nut of the locking bolt, and the locking bolt is arranged in the nut groove.

Through adopting above-mentioned technical scheme, lockbolt is rotatory to the nut inslot, and the nut is kept away from the mirror tube seat one side and is located the below surface of installation pipe, reduces the possibility of loosening lockbolt among the operation process.

Optionally, one end of the connecting sleeve, which is far away from the lens tube, extends above the locking bolt.

Through adopting above-mentioned technical scheme, the adapter sleeve blocks the protection to the locking bolt, reduces liquid and drips and lead to the locking bolt rust on to lead to the locking bolt can't follow the possibility that the nut inslot was unscrewed.

Optionally, a sleeve groove matched with the connecting sleeve is formed in the handle, and one end, far away from the endoscope tube, of the connecting sleeve is inserted into the sleeve groove.

Through adopting above-mentioned technical scheme, the clearance between adapter sleeve and the installation pipe forms airtight environment, further promotes adapter sleeve to the protective effect of locking bolt.

Optionally, one end of the lens tube seat, which is far away from the handle, is provided with an anti-falling assembly for preventing the connecting sleeve from falling off.

By adopting the technical scheme, when the connecting sleeve and the mounting pipe are not connected, the possibility that the connecting sleeve falls off from the lens tube seat is reduced.

Optionally, the anti-disengaging assembly comprises a spring and a pressing block, one end of the spring is fixedly connected with the bottom of the mounting groove, the other end of the spring is fixedly connected with the pressing block, and the lens tube seat is provided with the mounting groove matched with the anti-disengaging assembly.

Through adopting above-mentioned technical scheme, when the screw thread on the adapter sleeve produced wearing and tearing and need change the adapter sleeve, through pressing the pressure piece, will press the pressure piece to arrange in the mounting groove to take off the adapter sleeve from the mirror tube seat.

Optionally, the surface of the pressing block away from the spring is arc-shaped.

By adopting the technical scheme, when the connecting sleeve is installed, the connecting sleeve convenient to be sleeved on the mirror tube seat through the pressing block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the endoscope tube seat is detachably connected with the handle, and when the endoscope tube is damaged, only the endoscope tube seat needs to be detached and replaced, so that the resource waste caused by the integral replacement of the endoscope is reduced;

2. the locking bolt further locks the installation pipe and the mirror pipe seat, the connection function of the threads is reduced due to abrasion, so that the possibility that the mirror pipe seat is separated from the installation pipe is reduced, the locking bolt rotates to the nut groove, one surface, far away from the mirror pipe seat, of the nut is located below the surface of the installation pipe, and the possibility that the locking bolt is unscrewed in the operation process is reduced.

Drawings

Fig. 1 is a schematic structural view of a rigid tube endoscope according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of a rigid tube endoscope according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a handle; 11. installing a pipe; 111. a nut groove; 112. a casing groove; 2. a lens holder; 21. a mirror tube; 22. a blocking ring; 23. mounting grooves; 3. a needle tailstock; 4. connecting a sleeve; 5. locking the bolt; 6. an anti-drop component; 61. a spring; 62. and pressing the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hard tube endoscope. Referring to fig. 1 and 2, the endoscope comprises a handle 1, a tube holder 2 fixed with the handle 1, a tube 21 fixedly connected with the tube holder 2, and a needle tail holder 3, wherein the tube 21 extends along a direction far away from the handle 1, and the needle tail holder 3 is positioned at one end of the handle 1 far away from the tube 21. The endoscope also comprises a mounting tube 11 fixedly connected to one end, far away from the needle tail seat 3, of the handle 1, the mounting tube 11 and the handle 1 are integrally formed, and the endoscope tube seat 2 is inserted into the mounting tube 11 and detachably connected with the handle 1. A stop ring 22 is fixed on the surface of the lens tube seat 2, and one end of the installation tube 11 far from the needle tail seat 3 is abutted against one surface of the stop ring 22 close to the handle 1. The mirror tube seat 2 is detachably connected with the handle 1, so that the mirror tube seat 2 can be conveniently replaced after the mirror tube 21 is damaged, and the resource waste is reduced. The stop ring 22 limits the length of the lens holder 2 inserted into the mounting tube 11 of the handle 1, and reduces the possibility of inserting the whole lens holder 2 into the mounting tube 11.

Referring to fig. 2 and 3, a connecting sleeve 4 is sleeved on the lens tube seat 2, a receiving edge is arranged at one end, away from the handle 1, of the connecting sleeve 4, the opening distance of the receiving edge is slightly larger than the outer diameter of the lens tube seat 2, the connecting sleeve 4 slides along the axis direction of the lens tube seat 2, the receiving edge of the connecting sleeve 4 is abutted to one surface, away from the handle 1, of the inner surface, close to the lens tube 21, of the blocking ring 22, threads are arranged on the inner wall, close to one end of the lens tube 21, of the connecting sleeve 4, threads matched with the connecting sleeve 4 are arranged on the surface, away from the lens tube seat 2, of the installation tube 11, and the connecting sleeve 4 is in threaded connection with the installation tube 11. Connecting sleeve 4 is used for further fixing mirror tube seat 2 and installation pipe 11, reduces the possibility that mirror tube seat 2 drops from in the installation pipe 11, has improved the security of using, and connecting sleeve 4 and mirror tube seat 2 sliding connection in time change after the screw thread on the connecting sleeve 4 of being convenient for appears wearing and tearing.

Referring to fig. 3, the one end that mirror tube 21 was kept away from to installation pipe 11 is provided with a plurality of locking bolt 5, and locking bolt 5 passes installation pipe 11 and 2 butts of mirror tube seat, a plurality of locking bolt 5 all with installation pipe 11 threaded connection, and locking bolt 5 has further improved the steadiness of being connected between installation pipe 11 and mirror tube seat 2, reduces connecting sleeve 4 or the screw thread on the installation pipe 11 and produces the possibility that wearing and tearing lead to connection function decline. The surface of the mounting tube 11 is provided with a nut groove 111 matched with the locking bolt 5, and after the locking bolt 5 is abutted against the mirror tube seat 2, the nut part is positioned in the nut groove 111, so that the possibility that the locking bolt 5 is separated from the mounting tube 11 due to accidental operation is reduced.

Referring to fig. 3, one end of the connecting sleeve 4 away from the lens tube 21 is located above the locking bolt 5, a sleeve groove 112 matched with the connecting sleeve 4 is formed in the handle 1, and one end of the connecting sleeve 4 away from the lens tube 21 is inserted into the sleeve groove 112. The connecting sleeve 4 is matched with the sleeve groove 112 to protect the locking bolt 5, and the possibility that the locking bolt 5 is rusted and cannot be unscrewed due to the fact that liquid is splashed into the nut groove 111 is reduced.

Referring to fig. 2 and 3, an anti-falling assembly 6 for preventing the connecting sleeve 4 from falling off is arranged at one end of the lens tube base 2 away from the needle tail base 3, and a mounting groove 23 matched with the anti-falling assembly 6 is formed in the lens tube base 2. The anti-falling assembly 6 comprises a spring 61 and a pressing block 62, one end of the spring 61 is fixedly connected with the bottom of the mounting groove 23, the other end of the spring 61 is fixedly connected with the pressing block 62, and the surface of the pressing block 62 far away from the spring 61 is arc-shaped. Anticreep subassembly 6 reduces connecting sleeve 4 and the possibility of the separation of mirror tube seat 2 when sliding on mirror tube 21 seat 2, when connecting sleeve 4 needs to be changed, press according to pressure piece 62 and then compression spring 61, press according to piece 62 and arrange in mounting groove 23, connecting sleeve 4 roll-off, be convenient for change connecting sleeve 4, when new connecting sleeve 4 needs to be installed, the arcwall face has the radian, connecting sleeve 4 can slide through the arcwall face and press according to piece 62, thereby alleviate connecting sleeve 4 and shelter from the problem of pressing according to piece 62 people for can't pressing, the convenience of use has been improved.

The implementation principle of the hard tube endoscope in the embodiment of the application is as follows: when the mirror tube 21 needs to be replaced, the connecting sleeve 4 is rotated to separate the connecting sleeve 4 from the mounting tube 11, the locking bolt 5 is screwed out, and the mirror tube base 2 is pulled out from the mounting tube 11. When the connecting sleeve 4 needs to be replaced, the pressing block 62 is pressed to slide the connecting sleeve 4 out of the lens tube base 2, and a new connecting sleeve 4 is sleeved on the lens tube base 2 through the pressing block 62.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hard tube endoscope, includes handle (1), lens tube seat (2) fixed with handle (1), lens tube (21) and needle tailstock (3) fixed with lens tube seat (2), the direction of keeping away from handle (1) is followed in lens tube (21) and is extended, needle tailstock (3) are located handle (1) and keep away from the one end of lens tube (21), its characterized in that: a mounting tube (11) is fixed at one end, far away from the needle tail seat (3), of the handle (1), the mirror tube seat (2) is inserted into the mounting tube (11), a blocking ring (22) is fixed on the mirror tube seat (2), and the mounting tube (11) is abutted to one surface, close to the handle (1), of the blocking ring (22); the utility model discloses a set up mirror tube seat, including mirror tube seat (2), connecting tube (4) have been cup jointed on mirror tube seat (2), connecting tube (4) be close to the interior terminal surface of mirror tube (21) one end with the one side butt that handle (1) were kept away from in barrier ring (22), be provided with the screw thread on the inner wall of connecting tube (4), the surface that mirror tube seat (2) were kept away from in installation pipe (11) is provided with and connecting tube (4) complex screw thread.

2. A rigid tube endoscope according to claim 1 and wherein: the one end that mirror tube (21) were kept away from in installation pipe (11) is provided with a plurality of lock bolt (5), and is a plurality of lock bolt (5) all with installation pipe (11) threaded connection, the one end that the nut was kept away from in lock bolt (5) with mirror tube seat (2) butt.

3. A rigid tube endoscope according to claim 2 and wherein: the surface of the mounting pipe (11) is provided with a nut groove (111) matched with a nut of the locking bolt (5), and the locking bolt (5) is arranged in the nut groove (111).

4. A rigid tube endoscope according to claim 1 and wherein: one end of the connecting sleeve (4) far away from the mirror tube (21) is extended above the locking bolt (5).

5. A rigid tube endoscope according to claim 4 and wherein: the handle (1) is provided with a sleeve groove (112) matched with the connecting sleeve (4), and one end of the connecting sleeve (4) far away from the endoscope tube (21) is inserted into the sleeve groove (112).

6. A rigid tube endoscope according to claim 1 and wherein: one end of the mirror tube seat (2) far away from the handle (1) is provided with an anti-falling assembly (6) for blocking the connecting sleeve (4) from falling off.

7. A rigid tube endoscope according to claim 6 and wherein: anticreep subassembly (6) include spring (61) and press piece (62), the one end of spring (61) with the tank bottom fixed connection of mounting groove (23), the other end and the press piece (62) fixed connection of spring (61), set up on mirror tube seat (2) with anticreep subassembly (6) complex mounting groove (23).

8. A rigid tube endoscope according to claim 7 and wherein: the surface of the pressing block (62) far away from the spring (61) is arranged to be arc-shaped.