CN220608466U - Disposable interbody fusion cage test mould - Google Patents
Disposable interbody fusion cage test mould Download PDFInfo
- Publication number
- CN220608466U CN220608466U CN202321759318.9U CN202321759318U CN220608466U CN 220608466 U CN220608466 U CN 220608466U CN 202321759318 U CN202321759318 U CN 202321759318U CN 220608466 U CN220608466 U CN 220608466U
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- test
- test rod
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- quick
- fusion cage
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- 238000012360 testing method Methods 0.000 title claims abstract description 140
- 230000004927 fusion Effects 0.000 title claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000013461 design Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
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Abstract
The utility model discloses a disposable interbody fusion cage test mold, and relates to the technical field of interbody fusion cage test molds. Mainly in order to solve the complicated, difficult problem of carrying and operation of design of current examination mould, propose following technical scheme: the quick-change device comprises a test rod head, a test rod part, a test rod tail and a quick-change handle, wherein the test rod head, the test rod part and the test rod tail are of an integrated structure; the test rod head includes the contact end, props open end and link, and the inside wash hole that is equipped with along its length direction of test rod pole portion, and wash the entry end setting of hole on test rod pole portion, wash the exit end in hole and be linked together with test rod head portion, be equipped with the recess in quick change handle one end cavity, the other end is equipped with the portion of gripping, and the connection can be dismantled to test rod afterbody recess. The integrated structure of the test rod changes the complicated steps of disassembly and assembly of the traditional test tool, and the quick assembly is facilitated by the detachable connection of the test rod head and the quick-disassembly handle.
Description
Technical Field
The utility model relates to the technical field of interbody fusion cage test molds, in particular to a disposable interbody fusion cage test mold.
Background
At present, the intervertebral fusion is the lumbar intervertebral fusion which is the earliest and most widely used in China. In the operation process, the intervertebral space of the diseased vertebrae is required to be spread after the intervertebral treatment is completed, and the fusion device with corresponding specification is implanted to reach the normal physiological curvature of the human body, if the intervertebral space is larger than the height of the implanted fusion device, the risk of slipping of the fusion device can exist, so that the intervertebral space must be determined by using a test model before the implantation of the fusion device.
The existing interbody fusion cage test molds are all made of metal stainless steel, the specifications of the spine interbody fusion cage comprise cervical vertebrae and thoracic vertebrae, the specifications are multiple, the number of the interbody fusion cage test molds matched with the spine interbody fusion cage test molds is relatively large, the machining cost of the interbody fusion cage test molds made of the stainless steel is high, and a large number of stores of hospitals are limited. The metal stainless steel interbody fusion cage test molds are disinfected and sterilized for repeated use, and if the disinfection and sterilization are not thorough, the risk of cross infection exists. The structure of the trial mould matched with the T-shaped quick-change hand-connecting instrument or the trial mould fixed with the T-shaped handle is complicated in the structure of the supporting and expanding centrum part.
Disclosure of Invention
The utility model aims to provide a disposable interbody fusion cage test die, which aims to solve the problems that the existing test die is complex in design and difficult to carry and operate.
The technical scheme for solving the technical problems is as follows:
a disposable interbody fusion cage test mold comprises a test mold rod head, a test mold rod part, a test mold rod tail and a quick-change handle, wherein the test mold rod head, the test mold rod part and the test mold rod tail are of an integrated structure; the test rod head includes the contact end, props open end and link, and the inside wash hole that is equipped with along its length direction of test rod pole portion, and wash the entry end setting of hole on test rod pole portion, wash the exit end in hole and be linked together with test rod head portion, be equipped with the recess in quick change handle one end cavity, the other end is equipped with the portion of gripping, and the connection can be dismantled to test rod afterbody recess.
The beneficial effects of adopting above-mentioned technical scheme are: the test rod changes the complicated steps that the traditional test tool needs to be disassembled and assembled by using an integrated structure, reduces the labor intensity when the test tool is used, is favorable for quick installation by the mode that the test rod head is detachably connected with the quick-release handle, can be matched with various test rod heads, is convenient for quick replacement when different test tools are needed in operation, uses medical polymer materials, and can effectively reduce the processing cost.
Further, the test rod portion comprises a rod body, top surfaces and bottom surfaces which are respectively arranged at two ends of the rod body, the outlet end of the cleaning hole penetrates through the top surface of the test rod portion, and the tail portion of the test rod is connected to the bottom surface of the test rod portion.
The beneficial effects of adopting above-mentioned technical scheme are: the cleaning hole is arranged in the test rod, so that the intervertebral part can be conveniently cleaned through the cleaning hole in the operation process.
Further, the tail part of the test rod comprises a blocking part, an occluding part and a protruding part which are sequentially connected, the blocking part is connected with the bottom surface of the rod part of the test rod, and the quick-change handle is matched and connected with the protruding part at the tail part of the test rod.
The beneficial effects of adopting above-mentioned technical scheme are: the blocking part is arranged to facilitate quick positioning during installation of the quick-change handle, and the engagement part and the protruding part are beneficial to matching with the groove of the quick-change handle.
Further, the detachable connection mode of the tail part of the test rod and the quick-change handle groove comprises the following steps: an interference fit or a push-on latch.
The beneficial effects of adopting above-mentioned technical scheme are: the interference fit or the press type lock catch connection mode is used for rapidly and stably fixing the test die head and the quick-change handle.
Further, the shape of the head of the test rod includes: trapezoidal, straight or kidney-shaped.
The beneficial effects of adopting above-mentioned technical scheme are: the trapezoid test mould rod head is used for cervical vertebrae, the straight and kidney-shaped test mould rod heads are used for lumbar vertebrae, and the trapezoid test mould rod head is arranged in different shapes so as to facilitate rapid selection and replacement during operation.
Further, the contact end is V-shaped, U-shaped or convex.
The beneficial effects of adopting above-mentioned technical scheme are: the contact end is arranged in a V shape, a U shape or a convex shape, so that the resistance of the head of the test die entering the intervertebral space is reduced, and the test die is smoother in use.
The utility model has the following beneficial effects:
the test rod changes the complicated steps that the traditional test tool needs to be disassembled and assembled by using an integrated structure, reduces the labor intensity when the test tool is used, is favorable for quick installation by the mode that the test rod head is detachably connected with the quick-release handle, can be matched with various test rod heads, is convenient for quick replacement when different test tools are needed in operation, uses medical polymer materials, and can effectively reduce the processing cost. The cleaning holes are formed in the test mold rod, so that the intervertebral parts can be conveniently cleaned through the cleaning holes in the operation process; the blocking part is arranged to facilitate quick positioning when the quick-change handle is installed, and the engagement part and the protruding part are beneficial to matching with the groove of the quick-change handle; the interference fit or the press type lock catch connection mode is used for being favorable for quickly and stably fixing the test die head and the quick-change handle, the trapezoid test die head is used for cervical vertebrae, the straight type and kidney type test die heads are used for lumbar vertebrae, and the straight type and kidney type test die heads are arranged in different shapes so as to be convenient for quick selection and replacement during operation; the contact end is arranged in a V shape, a U shape or a convex shape, so that the resistance of the head of the test die entering the intervertebral space is reduced, and the test die is smoother in use.
Drawings
FIG. 1 is a schematic view of a cervical vertebra trapezoidal test model;
figure 2 is a schematic view of a lumbar vertebra straight model trial;
fig. 3 is a schematic view of a kidney-shaped lumbar vertebra test.
The reference numerals shown in fig. 1 to 3 are respectively expressed as: 1-a head part of a test rod; 10-contact ends; 11-an open end; 12-connecting ends; 2-a test rod part; 20-top surface; 21-bottom surface; 22-cleaning holes; 23-rod body; 3-the tail part of the test rod; 30-a barrier; 31-bite; 32-a protrusion; 4-quick-change handles; 40-grooves; 41-grip.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1-2, the present utility model provides a disposable interbody fusion cage test mold, which comprises a disposable interbody fusion cage test mold, and comprises a test mold rod head 1, a test mold rod tail 2, a test mold rod tail 3 and a quick-change handle 4, wherein the test mold rod head 1, the test mold rod tail 2 and the test mold rod tail 3 are in an integrated structure.
The test rod head 1 is provided with a contact end 10, a propping end 11 and a connecting end 12, wherein the contact end 10 is used for reducing the resistance when the test rod head enters the intervertebral space, the propping end is used for supporting the test rod head 1 to enter the intervertebral space, measuring the height of the intervertebral space, conveniently selecting a fusion device with corresponding specification and size, and the connecting end 12 is used for connecting the test rod head 1 and the test rod part 2. The contact ends 12 are generally configured as V-shaped, U-shaped, male, etc.
The test rod 2 comprises a rod body 23, a top surface 20 and a bottom surface 21 which are respectively arranged at two ends of the rod body 23, a cleaning hole 22 is formed in the test rod 2 along the length direction of the test rod, an inlet end of the cleaning hole 22 is arranged on the test rod 2, an outlet end of the cleaning hole 22 is communicated with the test rod head 1, the test rod is provided with the opposite top surface 20 and bottom surface 21, an outlet end of the cleaning hole 22 penetrates through the top surface 20 of the test rod 2, the top surface 20 is communicated with the connecting end 12 of the test rod head 1, and when cleaning liquid is injected into the cleaning hole 22, the liquid enters a cleaning intervertebral propped part from the top surface 20 of the test rod.
The tail part 3 of the test rod comprises a blocking part 30, a snapping part 31 and a protruding part 32, wherein the blocking part 30 can be used for quick positioning when the quick-change handle 4 is installed, and the snapping part 31 and the protruding part 32 are beneficial to matching with the groove 40 of the quick-change handle; the shape of the test pattern bar head 1 may be made to include: a cervical vertebra trapezoid test die head for a cervical vertebra, a lumbar vertebra straight test die head for a lumbar vertebra and a lumbar vertebra kidney type test die head for a lumbar vertebra.
The recess 40 is equipped with in quick change handle 4 one end cavity, and recess 40 is the ladder type recess, and the other end of quick change handle 4 is equipped with the portion of gripping 41, and interlock portion 31 and the protruding portion 32 of test rod afterbody 3 form detachable connection with ladder type recess 40, and detachable connection's mode includes: interference fit or push type hasp etc. when using interference fit, the front end and the interlock portion 31 cooperation of cascaded recess, the rear end and the protruding portion 32 cooperation of cascaded recess, push type hasp's mode of use is that cascaded recess part is equipped with spring and buckle piece, when protruding portion 32 push in cascaded recess, the buckle piece is compressed, when buckle piece passes through the recess, it can rebound the normal position to locking protruding portion 32, when needs unblock, only need press the buckle piece, protruding portion 32 just can easily unblock, interference fit and push type hasp are prior art.
The head part 1, the rod part 2 and the tail part 3 of the test rod are made of medical polymer materials, and are sterilized by using ethylene oxide, so that the risk of cross infection existing in the prior repeated sterilization method can be effectively avoided. Compared with the conventional stainless steel processing test die in the industry, the cost can be reduced by more than 80%, the weight ratio is reduced by more than 70%, and the installation and the operation are simple and convenient.
The quick-change handle 4 is made of medical polymer materials, so that the production cost can be remarkably reduced, the quick-change handle 4 is connected with the tail 3 of the test rod in a detachable connection mode, the quick-change handle 4 is tightly and firmly matched and is convenient to replace, and the quick-change handle 4 is generally matched with trapezoidal, straight-shaped and kidney-shaped test rod heads, so that different test rod heads can be conveniently and quickly replaced during operation. The quick-change handle 4 adopts an ergonomic design and an anti-slip design, and is more in line with the operation habit of doctors.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A disposable interbody fusion cage test mold, comprising: the novel test device comprises a test rod head (1), a test rod part (2), a test rod tail (3) and a quick-change handle (4), wherein the test rod head (1), the test rod part (2) and the test rod tail (3) are of an integrated structure; the utility model discloses a quick-change handle, including test rod head (1), test rod head (1) is including contact end (10), strut end (11) and link (12), test rod head (2) are inside to be equipped with along its length direction wash hole (22), just the entry end setting of wash hole (22) is in on test rod head (2), the exit end of wash hole (22) with test rod head (1) are linked together, be equipped with recess (40) in quick-change handle (4) one end cavity, the other end is equipped with gripping portion (41), test rod afterbody (3) with recess (40) can dismantle and be connected.
2. The disposable interbody fusion cage test mold according to claim 1, wherein the test mold rod portion (2) comprises a rod body (23), a top surface (20) and a bottom surface (21) which are respectively arranged at two ends of the rod body (23), the outlet end of the cleaning hole (22) penetrates through the top surface (20) of the test mold rod portion (2), and the test mold rod tail portion (3) is connected to the bottom surface (21) of the test mold rod portion (2).
3. The disposable interbody fusion cage test mold according to claim 1, wherein the test rod tail (3) comprises a blocking portion (30), a biting portion (31) and a protruding portion (32) which are sequentially connected, the blocking portion (30) is connected with the bottom surface (21) of the test rod tail (2), and the quick-change handle (4) is cooperatively connected to the protruding portion (32) of the test rod tail (3).
4. The disposable interbody fusion cage test mold according to claim 1, wherein the detachable connection manner of the tail (3) of the test mold rod and the groove (40) comprises: an interference fit or a push-on latch.
5. Disposable interbody fusion cage test mould according to claim 1, characterized in that the test mould stem head (1) is trapezoidal, straight or kidney-shaped.
6. The disposable interbody fusion cage trial of claim 1, wherein the contact end (10) is V-shaped, U-shaped or convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321759318.9U CN220608466U (en) | 2023-07-05 | 2023-07-05 | Disposable interbody fusion cage test mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321759318.9U CN220608466U (en) | 2023-07-05 | 2023-07-05 | Disposable interbody fusion cage test mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220608466U true CN220608466U (en) | 2024-03-19 |
Family
ID=90221537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321759318.9U Active CN220608466U (en) | 2023-07-05 | 2023-07-05 | Disposable interbody fusion cage test mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220608466U (en) |
-
2023
- 2023-07-05 CN CN202321759318.9U patent/CN220608466U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |