CN210903311U - Auxiliary device is implanted to sacroiliac screw - Google Patents
Auxiliary device is implanted to sacroiliac screw Download PDFInfo
- Publication number
- CN210903311U CN210903311U CN201921366446.0U CN201921366446U CN210903311U CN 210903311 U CN210903311 U CN 210903311U CN 201921366446 U CN201921366446 U CN 201921366446U CN 210903311 U CN210903311 U CN 210903311U
- Authority
- CN
- China
- Prior art keywords
- handle
- guide pin
- sleeve
- round
- kirschner wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims abstract description 12
- 238000002513 implantation Methods 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 210000005036 nerve Anatomy 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 210000000988 bone and bone Anatomy 0.000 description 10
- 230000001054 cortical effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 208000028389 Nerve injury Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008764 nerve damage Effects 0.000 description 2
- 206010034246 Pelvic fractures Diseases 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
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Abstract
The utility model discloses a sacroiliac screw implantation auxiliary device, which comprises a guide pin, a round-head kirschner pin with a handle and a sleeve, wherein the guide pin is arranged in the sleeve, the guide pin is provided with a butterfly-wing-shaped guide pin handle, and the sleeve is provided with a butterfly-wing-shaped sleeve handle; the guide pin handle is inserted into a clamping groove formed in the sleeve handle, an arc-shaped transition cambered surface is arranged at the lower end of the sleeve and is in contact with the tip of the guide pin, and the tip of the guide pin is movably connected with the transition cambered surface; one end of the round-head kirschner wire with the handle is a conical pointed end, the other end of the round-head kirschner wire with the handle is provided with an operating handle, the round-head kirschner wire with the handle is arranged in a gap with the sleeve, and the operating handle is inserted into the clamping groove. This scheme applies to the process of carrying out sacroiliac screw guide pin implantation, and supplementary sacroiliac screw guide pin is implanted, makes button head area handle ke shi needle alternate the direction more easily and be difficult to damage the nerve in the sacral canal.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to sacroiliac screw implants auxiliary device.
Background
In minimally invasive treatment of pelvic fracture, a commonly used method for implanting sacroiliac screws at present is to select 2.0 or 2.5 Kirschner wires to drill through three layers of cortical bone of the ilium and the sacrum, and then to use a hammer to knock the Kirschner wires into the opposite side in order to prevent nerve injury in the sacrum, but the tips of the Kirschner wires are triangular pyramids, so that the possibility of damaging nerves still exists when the Kirschner wires are knocked in, and the Kirschner wires are long and have certain elasticity, and the deviation of directions is easy to occur in the knocking process, so the directions may need to be repeatedly adjusted in the operation, and the difficulty in changing the directions is large because the elasticity of the Kirschner wires is large.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a be difficult for haring sacroiliac screw implantation auxiliary device of nerve in the sacral canal.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the sacroiliac screw implantation auxiliary device comprises a guide pin, a round-head kirschner wire with a handle and a sleeve, wherein the guide pin is arranged in the sleeve, one end of the guide pin is a conical tip, the other end of the guide pin is provided with a butterfly-wing-shaped guide pin handle, one end of the sleeve is opened, and the other end of the sleeve is provided with a butterfly-wing-shaped sleeve handle; the guide pin handle is inserted into a clamping groove formed in the sleeve handle, an arc-shaped transition cambered surface is arranged at the lower end of the sleeve, and the transition cambered surface is movably connected with the tip end of the guide pin; one end of the round-head kirschner wire with the handle is a conical pointed end, the other end of the round-head kirschner wire with the handle is provided with an operating handle, the round-head kirschner wire with the handle is arranged in a gap with the sleeve, and the operating handle is inserted into the clamping groove.
Further, be provided with the limiting plate on the guide pin handle, be provided with spacing pearl on the limiting plate, be provided with the spout on the sleeve handle, spacing pearl sliding connection in the spout, the spout is connected with the spacing inslot, and spacing pearl is absorbed in the spacing inslot.
Furthermore, the bottom of the clamping groove is provided with a positioning hole, and the guide pin handle is provided with a positioning column inserted into the positioning hole.
Furthermore, the guide pin is fixed on a fixing column of the guide pin handle, the fixing column is inserted into a limiting hole formed in the sleeve handle, and a limiting table is arranged in the limiting hole.
Furthermore, the guide pin, the round-head kirschner wire with the handle and the sleeve are all provided with scale marks.
The utility model has the advantages that: this scheme applies to the process of carrying out sacroiliac screw guide pin and implanting, and supplementary sacroiliac screw guide pin is implanted, and telescopic setting makes button head area handle ke shi needle alternate direction more easily to button head area handle ke shi needle is put into the difficult skew of process, is difficult to harm the nerve in the sacral canal. The combination of the guide pin and the sleeve comprises the steps of firstly placing the sleeve and the guide pin into three layers of cortical bone of the sacroiliac bone, then drawing out the guide pin, and pushing the long round-head kirschner pin with the handle into the sacroiliac bone; the transition cambered surface on the sleeve makes guide pin and sleeve change and puts into the cortex of bone, and the conical head is adopted to button head area handle ke shi needle, reduces the possibility of neural damage.
The sleeve handle and the guide pin handle are convenient to operate, meanwhile, the sleeve handle is held to slowly and stably push the round-head kirschner wire with the handle because the position fixed by the screws in the sacrum is cancellous bone, the sleeve can more conveniently adjust the direction of the round-head kirschner wire with the handle, and the nerves in the sacrum are not easily damaged. Spacing platform is spacing to the fixed column at the telescopic in-process of bull-nose area handle kirschner wire insertion, prevents to insert excessively and damages bull-nose area handle kirschner wire handle and sleeve handle.
The guide pin and the sleeve are matched for use, the guide pin handle is placed into the fixing groove of the sleeve handle under the condition of nonuse, and when the guide pin handle is placed into the sleeve handle, the sliding groove facilitates the limiting bead to be drawn into the limiting groove, and meanwhile, the guide pin is easier to draw out; the guide pin handle is fixed on the sleeve handle, the guide pin is convenient and simple to take and place, and the positioning column is matched with the limiting hole to position the insertion process of the guide pin handle; the guide pin, the round-head kirschner wire with the handle and the sleeve are all provided with scale marks, so that the inserted depth can be read in the process of convenient operation.
Drawings
FIG. 1 is a schematic structural diagram of a guide pin and a sleeve.
Fig. 2 is a schematic view of the structure of the lower end of the sleeve.
Fig. 3 is a structural schematic diagram of a round-headed handled kirschner wire.
The multifunctional sleeve comprises a sleeve body, a sleeve handle, a guide pin handle, a guide hole, a guide table, a guide ball, a guide pin handle, a guide column, a fixing column, a guide column, a positioning column, a sliding groove, a guide plate, a limiting groove, a guide pin handle.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1 to 3, the sacroiliac screw implanting auxiliary device comprises a guide pin 2, a round-head kirschner wire 15 with a handle and a sleeve 1, wherein the guide pin 2 is arranged in the sleeve 1, one end of the guide pin 2 is a conical tip, the other end is provided with a butterfly-wing-shaped guide pin handle 8, one end of the sleeve 1 is open, and the other end is provided with a butterfly-wing-shaped sleeve handle 3; the guide pin handle 8 is inserted into a clamping groove formed in the sleeve handle 3, the lower end of the sleeve 1 is provided with an arc-shaped transition arc surface 14, the transition arc surface 14 is in contact with the tip of the guide pin 2, a gap is formed between the tip of the guide pin 2 and the transition arc surface 14, and the tip of the guide pin 2 is movably connected with the transition arc surface 14; the one end of button head area handle kirschner wire 15 is conical pointed end, and the other end is provided with operating handle, and the diameter of button head area handle kirschner wire 15 is less than sleeve 1's internal diameter, and button head area handle kirschner wire 15 sets up with sleeve 1 clearance, and operating handle can insert in the draw-in groove.
This scheme applies to the process of carrying out sacroiliac screw guide pin and implanting, and supplementary sacroiliac screw guide pin is implanted, and setting up of sleeve 1 makes button head area handle ke shi needle 15 alternate direction more easily to button head area handle ke shi needle 15 is put into the difficult skew of process, is difficult to harm the nerve in the sacral canal. The combination of the guide pin 2 and the sleeve 1 is that the sleeve 1 and the guide pin 2 are firstly placed into the three cortical bone layers of the sacroiliac bone together, then the guide pin 2 is drawn out, and the round-head kirschner pin 15 with the handle which is changed in length is pushed into the sacroiliac bone through the sleeve 1; the transition cambered surface 14 on the sleeve 1 enables the guide pin 2 and the sleeve 1 to be more easily placed, and the round-head kirschner wire 15 with the handle adopts a conical head part, so that the possibility of nerve injury is reduced.
Sleeve handle 3 and guide pin handle 8 make convenient operation, and the position because of sacrum middle part screw fixation is cancellous bone simultaneously, holds sleeve handle 3 and can slowly steadily push button head area handle ke shi needle 15, and sleeve 1 can make things convenient for button head area handle ke shi needle 15 adjustment direction more to be difficult to the nerve of haring in the sacral canal. The guide pin 2 is matched with the sleeve 1 for use, and the guide pin handle 8 is placed into a fixing groove of the sleeve handle 3 under the condition of nonuse.
Be provided with limiting plate 12 on the preferred guide pin handle 8 of this scheme, be provided with spacing pearl 7 on the limiting plate 12, be provided with spout 11 on the sleeve handle 3, spacing pearl 7 sliding connection in spout 11, spout 11 is connected with spacing groove 13, and spacing pearl 7 is absorbed in spacing groove 13. Guide pin handle 8 is when putting into the in-process of sleeve handle 3, and spout 11 makes things convenient for spacing pearl 7 to draw into spacing groove 13, makes things convenient for guide pin 2 to take out simultaneously, fixes guide pin handle 8 on sleeve handle 3, and getting of guide pin 2 is put conveniently, simply.
The bottom of draw-in groove is seted up locating hole 4, is provided with the reference column 10 that inserts in locating hole 4 on the guide pin handle 8. The positioning column 10 is matched with the limiting hole 6 to position the insertion process of the guide pin handle 8. The guide pin 2 is fixed on a fixing column 9 of the guide pin handle 8, the fixing column 9 is inserted into a limiting hole 6 formed in the sleeve handle 3, and a limiting table 5 is arranged in the limiting hole 6. Spacing platform 5 is spacing to fixed column 9 at the in-process that bulb area handle kirschner wire 15 inserted sleeve 1, prevents to insert excessively and damages bulb area handle kirschner wire 15 handle and sleeve handle 3. The guide pin 2, the round-head kirschner pin with the handle 15 and the sleeve 1 are all provided with scale marks, so that the inserted depth can be read during convenient operation.
Claims (5)
1. The sacroiliac screw implantation auxiliary device is characterized by comprising a guide pin (2), a round-head kirschner wire (15) with a handle and a sleeve (1), wherein the guide pin (2) is placed in the sleeve (1), one end of the guide pin (2) is a conical tip, the other end of the guide pin is provided with a butterfly-wing-shaped guide pin handle (8), one end of the sleeve (1) is open, and the other end of the sleeve is provided with a butterfly-wing-shaped sleeve handle (3); the guide pin handle (8) is inserted into a clamping groove formed in the sleeve handle (3), an arc-shaped transition arc surface (14) is arranged at the lower end of the sleeve (1), and the transition arc surface (14) is movably connected with the tip end of the guide pin (2); one end of the round-head handled kirschner wire (15) is a conical pointed end, the other end of the round-head handled kirschner wire is provided with an operating handle, the round-head handled kirschner wire (15) is arranged in a clearance with the sleeve (1), and the operating handle is inserted into the clamping groove.
2. The sacroiliac screw implantation assistance device according to claim 1, wherein a stop plate (12) is provided on the guide pin handle (8), a stop bead (7) is provided on the stop plate (12), a sliding groove (11) is provided on the sleeve handle (3), the stop bead (7) is slidably connected in the sliding groove (11), the sliding groove (11) is connected with a stop groove (13), and the stop bead (7) is sunk into the stop groove (13).
3. The sacroiliac screw implantation auxiliary device according to claim 1, wherein a positioning hole (4) is opened at the bottom of the slot, and a positioning post (10) inserted into the positioning hole (4) is provided on the guide pin handle (8).
4. The sacroiliac screw implantation auxiliary device according to claim 1, wherein the guide pin (2) is fixed on a fixing post (9) of a guide pin handle (8), the fixing post (9) is inserted into a limiting hole (6) formed in the sleeve handle (3), and a limiting table (5) is arranged in the limiting hole (6).
5. The sacroiliac screw implantation assistance device according to claim 1, characterized in that the guide pin (2), the round-headed shanked kirschner wire (15) and the sleeve (1) are provided with graduation marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366446.0U CN210903311U (en) | 2019-08-21 | 2019-08-21 | Auxiliary device is implanted to sacroiliac screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366446.0U CN210903311U (en) | 2019-08-21 | 2019-08-21 | Auxiliary device is implanted to sacroiliac screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210903311U true CN210903311U (en) | 2020-07-03 |
Family
ID=71358054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921366446.0U Expired - Fee Related CN210903311U (en) | 2019-08-21 | 2019-08-21 | Auxiliary device is implanted to sacroiliac screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210903311U (en) |
-
2019
- 2019-08-21 CN CN201921366446.0U patent/CN210903311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |