CN216258698U

CN216258698U - Spinal endoscope bone wax plugging device

Info

Publication number: CN216258698U
Application number: CN202122131215.5U
Authority: CN
Inventors: 冯晶; 夏平; 乔杰
Original assignee: Wuhan Hospital Of Traditional Chinese And Western Medicine
Current assignee: Wuhan Hospital Of Traditional Chinese And Western Medicine
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-04-12
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to a spinal endoscope bone wax occluder which comprises a sleeve with a groove, wherein the groove is communicated with a guide hole penetrating through the sleeve, one end of the guide hole, far away from the groove, is communicated with a guide pipe, the groove is connected with an inner core fixing seat in a sliding manner, one end of an inner core, far away from the inner core fixing seat, sequentially penetrates through the groove and the guide hole and extends into the guide pipe, a reset spring is arranged between the bottom of the groove and the inner core fixing seat, and when the reset spring is in a compressed state, the inner core slides to an opening of the guide pipe, far away from the sleeve; spinal scope bone wax plugging device can reach hemostatic effect with the effective shutoff of bone wax at the damaged position of bone under the scope system to provide good art wild for the scope operation, be favorable to stanching in being applied to spinal scope operation with bone wax.

Description

Spinal endoscope bone wax plugging device

Technical Field

The utility model relates to the field of medical equipment, in particular to an auxiliary tool for a spinal endoscope system.

Background

With the development of minimally invasive spine and the technological progress, the spine endoscope technology is widely applied to the surgical treatment of spine degenerative diseases, including common diseases such as nerve root type cervical spondylosis, lumbar disc herniation, lumbar spinal stenosis and the like, the operation of the spine endoscope needs a good surgical field, and the blood seepage caused by bone removal has great influence on the surgical field under the surgical scope.

At present, hemostasis in spinal endoscope operation mainly depends on radio frequency electrocoagulation, but the requirements of operators are difficult to meet in certain environments. The bone wax has excellent hemostatic effect and is commonly used for hemostasis of broken bone ends in open surgery, but because no ideal surgical tool is available at present, the bone wax can be effectively blocked at a damaged bone part under a mirror, so that the bone wax has certain limitation in hemostasis during spinal endoscopic operation.

Therefore, the prior art has a larger improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to make up for the defects of the prior art, and provides a spinal endoscope bone wax occluder which is simple in structure, can effectively occlude bone wax at bleeding points of a damaged part of a bone under an endoscope system to achieve a hemostatic effect, and thus provides a good operative field for endoscope operation.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model relates to a spinal endoscope bone wax occluder which comprises an inner core and a U-shaped handle, wherein one end of the inner core is fixed in an inner core fixing seat, one end of the U-shaped handle is fixedly connected with a sleeve pipe with a groove, the other end of the U-shaped handle is fixedly connected with the inner core fixing seat, the U-shaped handle comprises a first handheld part and a second handheld part, the first handheld part and the second handheld part are connected through a flexible material or an elastic material, the groove is communicated with a guide hole penetrating through the sleeve pipe, one end of the guide hole far away from the groove is communicated with a guide pipe, the groove is connected with the inner core fixing seat in a sliding manner, one end of the inner core far away from the inner core fixing seat sequentially penetrates through the groove and the guide hole and extends into the guide pipe, a return spring is arranged between the bottom of the groove and the inner core fixing seat, and when the return spring is in a compressed state, the inner core slides to the opening of the guide tube far away from the sleeve.

According to the scheme, the inner core fixing seat is provided with the first convex ring, one end of the reset spring is connected with the bottom of the groove, the other end of the reset spring is sleeved on the inner core fixing seat and abutted to the first convex ring, the top opening of the groove is provided with the second convex ring, and when the reset spring is in a natural state, the second convex ring is abutted to the rear end face of the first convex ring.

According to the scheme, the inner core fixing seat is provided with the limiting ring, when the reset spring is in a compressed state, the limiting ring is abutted to the sleeve, and the limiting ring is located on one side, away from the guide pipe, of the first convex ring.

According to the scheme, when the return spring is in a natural state, the distance a between the second convex ring and the limiting ring is equal to the distance b from one end, far away from the inner core fixing seat, of the inner core to the opening, far away from the sleeve, of the guide tube.

According to the scheme, the first convex ring, the limiting ring and the inner core fixing seat are integrally formed.

According to the scheme, one end, far away from the groove, of the guide hole is in threaded connection with the guide pipe.

According to the scheme, the other end of the U-shaped handle penetrates into the inner core fixing seat and is fixedly connected with the inner core.

According to the scheme, one end of the guide pipe, which is far away from the sleeve, is arranged to be an arc-shaped surface with slope.

According to the scheme, the guide pipe, the inner core and the return spring are all made of stainless steel alloy materials.

The utility model has the beneficial effects that:

according to the spinal endoscope bone wax occluder provided by the utility model, the structure is specifically arranged, so that bone wax can be effectively occluded at a bone damage part under an endoscope system, a hemostasis effect is achieved, a good operative field is provided for endoscope operation, and the bone wax can be favorably applied to hemostasis in the spinal endoscope operation.

Drawings

FIG. 1 is a schematic structural diagram of a spinal endoscopic bone wax occluder according to the present invention;

FIG. 2 is a diagram of the use state of a return spring in the spinal endoscopic bone wax occluder in a natural state;

fig. 3 is a using state diagram of the return spring in a compressed state in the spinal endoscopic bone wax occluder of the present invention.

In the figure: 1. an inner core; 2. a U-shaped handle; 21. a first hand-held section; 22. a second hand-held section; 3. an inner core fixing seat; 31. a first convex ring; 32. a limiting ring; 4. a sleeve; 41. a groove; 411. a second convex ring; 42. A guide hole; 43. a guide tube 44, a return spring; 5. bone wax.

Detailed Description

The technical solution in 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.

As shown in fig. 1, the spinal endoscopic bone wax occluder of the present invention comprises an inner core 1 and a U-shaped handle 2, wherein one end of the inner core 1 is fixed in the inner core fixing seat 3, one end of the U-shaped handle 2 is fixedly connected with a sleeve 4 having a groove 41, the other end of the U-shaped handle 2 is fixedly connected with the inner core fixing seat 3, the U-shaped handle 2 comprises a first holding part 21 and a second holding part 22, the first holding part 21 and the second holding part 22 are connected by a flexible material or an elastic material, the groove 41 is communicated with a guide hole 42 penetrating through the sleeve 4, one end of the guide hole 42 far away from the groove 41 is communicated with a guide tube 43, the groove 41 is slidably connected with the inner core fixing seat 3, one end of the inner core 1 far away from the inner core fixing seat 3 sequentially passes through the groove 41 and the guide hole 42 and extends into the guide tube 43, a return spring 44 is arranged between the bottom of the groove 41 and the inner core fixing seat 3, and when the return spring 44 is in a compressed state, the inner core 1 slides to the opening of the guide tube 43, which is far away from the sleeve 4.

Further, a first convex ring 31 is arranged on the inner core fixing seat 3, one end of the return spring 44 is connected with the bottom of the groove 41, the other end of the return spring is sleeved on the inner core fixing seat 3 and is abutted to the first convex ring 31, a second convex ring 411 is arranged at an opening at the top of the groove 41, and when the return spring 44 is in a natural state, the second convex ring 411 is abutted to the rear end face of the first convex ring 31; the inner core fixing seat 3 is provided with a limiting ring 32, when the return spring 44 is in a compressed state, the limiting ring 32 is abutted to the sleeve 4, and the limiting ring 32 is located on one side of the first convex ring 31, which is far away from the guide pipe 43.

With the above structure, under the action of the first convex ring 31 abutting against the second convex ring 411 and the action of the limiting ring 32 abutting against the second convex ring 411, the sliding range of the inner core fixing seat 3 in the groove 41 of the sleeve 4 is limited, and the inner core fixing seat 3 can be prevented from being disengaged from the groove 41 under the elastic action of the return spring 44.

Further, when the return spring 44 is in a natural state, a distance a between the second protruding ring 411 and the limiting ring 32 is equal to a distance b between an end of the inner core 1 away from the inner core fixing seat 3 and an opening of the guide tube 43 away from the sleeve 4. With the arrangement, the inner core 1 can slide to the opening of the guide tube 43 far away from the sleeve 4 so as to completely push out the bone wax 5.

Further, the first convex ring 31, the limiting ring 32 and the inner core fixing seat 3 are integrally formed.

Further, an end of the guide hole 42 away from the groove 41 is threadedly coupled to the guide tube 43. After the use, can dismantle the stand pipe 43, conveniently wash, disinfect to stand pipe 43 and inner core 1.

Further, the other end of the U-shaped handle 2 penetrates the inner core fixing seat 3 and is fixedly connected with the inner core 1. Through the structure, the U-shaped handle 2 can simultaneously push the inner core fixing seat 3 and the inner core 1, so that the stability of the fixed connection between the inner core fixing seat 3 and the inner core 1 is improved.

Further, one end of the guide tube 43 away from the sleeve is provided with an arc-shaped surface with a slope. Through the structure, one end of the guide tube 43, which is far away from the sleeve, is abutted against the part to be blocked with bone wax.

Further, the guide tube 43, the inner core 1 and the return spring 44 are all made of stainless steel alloy material.

As shown in fig. 2-3, when the spinal endoscope bone wax occluder of the present invention is in operation, when the return spring 44 is in a natural state, the second convex ring 411 abuts against the rear end face of the first convex ring 31, the inner core 1 is located in the guide tube 43, and a certain accommodation space is provided from one end of the inner core 1 away from the inner core fixing seat 3 to an opening of the guide tube 43 away from the cannula, and bone wax 5 is filled in the accommodation space; after filling, the second handheld part 22 is held by the palm and the thumb, the first handheld part 21 is held by the other four fingers, and one end of the guide tube 43, which is far away from the sleeve, is abutted against the part needing bone wax plugging; the U-shaped handle 2 is gripped to enable the first handheld portion 21 and the second handheld portion 22 to approach each other, the first handheld portion 21 and the second handheld portion 22 are fixedly connected with the sleeve 4 and the inner core fixing seat 3 respectively, the inner core fixing seat 3 slides in the sleeve 4 and approaches to the bottom of the groove to enable the return spring 44 to be compressed, the inner core 1 slides in the guide tube 43 to push the bone wax 5 out of the opening of the guide tube 43 away from the sleeve 4 until the limiting ring 32 on the inner core fixing seat 3 abuts against the second convex ring 411, and the bone wax 5 is completely pushed out when the inner core 1 slides to the opening of the guide tube 43 away from the sleeve 4, so that the bone wax blocking is completed; after the operation is completed, the fingers are released, and under the elastic action of the return spring 44, the inner core 1 retracts into the guide tube 43 until the first convex ring 31 abuts against the second convex ring 411.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The spinal endoscopic bone wax occluder is characterized by comprising an inner core (1) and a U-shaped handle (2), wherein one end of the inner core (1) is fixed in an inner core fixing seat (3), one end of the U-shaped handle (2) is fixedly connected with a sleeve (4) with a groove (41), the other end of the U-shaped handle (2) is fixedly connected with the inner core fixing seat (3), the U-shaped handle (2) comprises a first handheld part (21) and a second handheld part (22), the first handheld part (21) and the second handheld part (22) are connected through a flexible material or an elastic material, the groove (41) is communicated with a guide hole (42) penetrating through the sleeve (4), one end of the guide hole (42), which is far away from the groove (41), is communicated with a guide pipe (43), and the groove (41) is connected with the inner core fixing seat (3) in a sliding manner, one end, far away from inner core fixing base (3), of inner core (1) passes recess (41), guiding hole (42) in proper order and extends to in stand pipe (43), the bottom of recess (41) with be equipped with reset spring (44) between inner core fixing base (3), when reset spring (44) are in compression state, inner core (1) slide extremely the opening part of sleeve pipe (4) is kept away from in stand pipe (43).

2. The spinal endoscopic bone wax occluder of claim 1, wherein a first convex ring (31) is disposed on the inner core fixing seat (3), one end of the return spring (44) is connected to the bottom of the groove (41), the other end of the return spring is sleeved on the inner core fixing seat (3) and abutted to the first convex ring (31), a second convex ring (411) is disposed at an opening at the top of the groove (41), and when the return spring (44) is in a natural state, the second convex ring (411) is abutted to the rear end face of the first convex ring (31).

3. The spinal endoscopic bone wax occluder of claim 2, wherein a limiting ring (32) is disposed on the inner core fixing seat (3), when the return spring (44) is in a compressed state, the limiting ring (32) abuts against the sleeve (4), and the limiting ring (32) is disposed on a side of the first convex ring (31) away from the guide tube (43).

4. A spinal endoscopic bone wax occluder according to claim 3, wherein the distance a between the second convex ring (411) and the limiting ring (32) is equal to the distance b between the end of the inner core (1) far away from the inner core fixing seat (3) and the opening of the guide tube (43) far away from the sleeve (4) when the return spring (44) is in the natural state.

5. The spinal endoscopic bone wax occluder of claim 3, wherein the first convex ring (31), the limiting ring (32) and the inner core fixing seat (3) are integrally formed.

6. A spinal endosteal wax occluder according to claim 1 wherein the end of the guide hole (42) remote from the recess (41) is threadedly connected to the guide tube (43).

7. The spinal endoscopic bone wax occluder of claim 1, wherein the other end of the U-shaped handle (2) penetrates the inner core fixing seat (3) and is fixedly connected with the inner core (1).

8. A spinal endoscopic bone wax occluder as claimed in claim 1, wherein the end of the guide tube (43) remote from the cannula is provided with a sloping arcuate surface.

9. The spinal endoscopic bone wax occluder of claim 1, wherein the guiding tube (43), the inner core (1) and the return spring (44) are all made of stainless steel alloy material.