CN211749975U - Longitudinal traction device for skull - Google Patents
Longitudinal traction device for skull Download PDFInfo
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- CN211749975U CN211749975U CN201920662173.8U CN201920662173U CN211749975U CN 211749975 U CN211749975 U CN 211749975U CN 201920662173 U CN201920662173 U CN 201920662173U CN 211749975 U CN211749975 U CN 211749975U
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Abstract
The utility model discloses a vertical draw gear of skull for carry out incessant vertical tractive to the bone piece that wherein needs the operation, vertical draw gear is including passing through epidermal tissue and being fixed in positioning bolt on the skull, arrange in on the positioning bolt and along the support that positioning bolt reciprocated with arrange in on the support and along support horizontal migration's traction rod, traction rod head links to each other and tractive bone piece with above-mentioned bone piece, the utility model discloses a horizontal migration of traction rod and pulling bone piece micrometric movement reach slowly and continuously carry out vertical tractive to the bone piece, promote the rebalance of capillary vessel hyperplasia and lymphatic system in the bone, the operation process is safe convenient, and bone piece longitudinal movement is effectual.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a have continuous slow tractive effect, simple operation, safe and reliable's vertical draw gear of skull.
Background
In the process of brain surgery, the defect or operation purpose of partial skull is to generate the micro movement of the layered skull so as to stimulate the repairing activity of the surrounding tissues, at the moment, the skull usually needs to be moved transversely, because the bone blocks are different in size and position, and a large number of nerves, capillaries and the like are distributed on the periphery of the bone blocks, the related bone blocks are directly moved to the normal position in the prior art, although the bone blocks are visual and quick, the damage to the surrounding tissues is heavy or the continuous stimulation effect cannot be realized, the bone blocks need to be repeatedly moved and moved for many times, a large number of position detection and moving operations are needed in the reset process, the moving success rate is low, and serious consequences can be caused by slight carelessness, so a large number of clinical requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the defects existing in the prior art; provides a skull longitudinal traction device with continuous and slow traction effect, convenient operation, safety and reliability.
In order to solve the technical problem, the utility model mainly adopts the following technical proposal:
the utility model discloses a vertical draw gear of skull arranges in on the skull for carry out incessant vertical tractive to the bone piece that wherein needs the operation, vertical draw gear is including passing through epidermal tissue and being fixed in the positioning bolt on the skull, arrange in on the positioning bolt and along the support that positioning bolt reciprocated with arrange in on the support and along support horizontal migration's traction rod, the traction rod head links to each other and tractive bone piece with above-mentioned bone piece, horizontal migration through the traction rod and the micro-movement of pulling bone piece, reach slowly and continuously carry out vertical tractive to the bone piece, promote the rebalance of capillary vessel hyperplasia and lymphatic system in the bone, the operation process is safe convenient, the bone piece longitudinal movement is effectual.
Preferably, the support comprises a hollow vertical part and a horizontal part, the vertical part and the horizontal part are of a cross structure, the vertical part is sleeved on the positioning bolt, a vertical fastening hole is formed in the middle section of the vertical part, a vertical fastening screw is connected in the vertical fastening hole in a threaded manner, the traction rod comprises a pull rod front section of an S-shaped structure and a pull rod rear section with an external thread, the pull rod front section penetrates through epidermal tissues, the pull rod rear section is embedded in the horizontal part and moves horizontally, an adjusting nut is connected in the pull rod rear section in a threaded manner, the adjusting nut is positioned at two ends of the horizontal part and adjusts the embedding depth of the traction rod, the traction rod front section adopts an S-shaped structure, the problem that the traction rod damages the epidermal tissues on the surface of the skull during traction is effectively solved, the opening is small, the adjusting nuts at two ends of the horizontal part can adjust the horizontal displacement of the traction rod, and the control precision, the operation is convenient and reliable.
Preferably, the head of the traction rod is of a bending structure, the bone block is provided with a small hole which is communicated up and down, the head of the traction rod is embedded in the small hole and hooks the bone block, and the traction rod hooks the bone block through the bending structure, so that the connection is reliable.
Preferably, the top end of the bending structure of the head of the traction rod is provided with a limiting check ring, so that the head of the traction rod is prevented from being separated from the bone block, and the connection reliability is improved.
Preferably, the support is provided with a hollow supporting part, the supporting part is obliquely arranged and forms an included angle with the vertical part, a supporting rod is embedded in the supporting part, a transverse tightening hole is formed in the middle section of the supporting part, a transverse tightening screw is connected in the transverse tightening hole in a threaded manner, the head of the supporting rod penetrates through epidermal tissues and abuts against the surface of a skull, the head of the supporting rod is fixed through the transverse tightening screw and obliquely abuts against the skull, transverse and longitudinal deviation of a positioning bolt is prevented, and accuracy of movement of bone blocks is improved.
Preferably, the angle between the support part and the vertical part is 45 °.
Preferably, the material of the traction rod is stainless steel or titanium alloy.
The utility model has the advantages that: the horizontal movement of the S-shaped structure traction rod pulls the bone blocks to move slightly, so that the bone blocks are slowly and continuously longitudinally pulled, the capillary hyperplasia in bones and the rebalancing of a lymphatic system are promoted, the horizontal displacement of the traction rod can be adjusted by the adjusting nut, the control precision of the traction distance and the traction time of the bone blocks is improved, the operation process is safe and convenient, the wound is small, and the longitudinal movement effect of the bone blocks is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the present invention.
In the figure, 1, a skull, 2, a bone block, 3, epidermal tissue, 4, a positioning bolt, 5, a support, 51, a vertical part, 52, a horizontal part, 53, a support part, 6, a traction rod, 61, a front section of the traction rod, 62, a rear section of the traction rod, 63, a bending structure, 64, a limiting retaining ring, 7, an adjusting nut and 8, a support rod are arranged.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): the skull longitudinal traction device of the embodiment is arranged on a skull 1 and used for uninterruptedly and longitudinally drawing a bone block 2 to be operated, as shown in figure 1, the longitudinal traction device comprises a positioning bolt 4 which penetrates through epidermal tissue 3 and is fixed on the skull, a support 5 which is arranged on the positioning bolt and moves up and down along the positioning bolt, and a traction rod 6 which is arranged on the support and moves horizontally along the support, wherein the support comprises a hollow vertical part 51, a horizontal part 52 and a supporting part 53, the vertical part and the horizontal part are in a cross structure, the vertical part is sleeved on the positioning bolt, the middle section of the vertical part is designed with a vertical fastening hole, a vertical fastening screw is in threaded connection with the vertical fastening hole, the supporting part is obliquely arranged and forms an included angle of 45 degrees with the vertical part, a support rod 8 is embedded in the supporting part, the middle section of the supporting part is designed with a, the inclined bracing piece head passes through epidermis tissue and supports to the skull surface, the traction rod material is titanium alloy, including S-shaped structure 'S pull rod anterior segment 61 and the pull rod back end 62 that has the external screw thread, but the pull rod back end inlays and locates above-mentioned horizontal part and horizontal migration, pull rod back end threaded connection has adjusting nut 7, adjusting nut is located the both ends of horizontal part and adjusts the embedding degree of depth of traction rod back end, the traction rod head is bending structure 63, treat to pull and open the aperture that link up from top to bottom on the bone piece, the bending structure of traction rod head inlays and locates above-mentioned aperture and hooks the bone piece, bending structure' S top design has spacing retaining ring 64.
When the device is used, as shown in fig. 2, the fixed position of the positioning bolt on the skull is determined, the top of the support rod is pressed by hands, the head of the support rod is inserted into epidermal tissues to tightly abut against the surface of the skull, the transverse tightening screw is tightened to position the support rod, the stability of the positioning bolt is ensured, the rear section of the traction rod is inserted into the horizontal part of the support, the head of the traction rod penetrates through the incision of the epidermal tissues and the gap between bones, the head bending structure of the traction rod is inserted into the small hole of the bone block to hook the bone block, the horizontal depth and the traction distance of the traction rod are adjusted and positioned by the adjusting nut, finally, the bone block is longitudinally pulled according to the operation requirement, the traction process adopts multiple adjustment, the adjustment interval is controlled at 24 hours/time, the uninterrupted traction of stable pressure and the accurate traction distance can be maintained.
In the description of the present invention, the technical terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "horizontal", "inner", "outer" and the like indicate the direction or the position relationship based on the direction or the position relationship shown in the drawings, and the technical solution of the present invention is only for the convenience of description and understanding, and the above description is not limiting to the present invention, the present invention is not limited to the above description, and the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the present invention should be regarded as the protection scope of the present invention.
Claims (7)
1. A longitudinal skull traction device to be placed on the skull (1) for the uninterrupted longitudinal traction of a bone mass (2) to be operated on, characterized in that: the longitudinal traction device comprises a positioning bolt (4) which penetrates through epidermal tissues (3) and is fixed on the skull, a support (5) which is arranged on the positioning bolt and moves up and down along the positioning bolt, and a traction rod (6) which is arranged on the support and moves horizontally along the support, wherein the head of the traction rod is connected with the bone blocks and pulls the bone blocks.
2. The longitudinal skull distraction device of claim 1, wherein: support (5) are including hollow vertical portion (51) and horizontal part (52), and vertical portion and horizontal part are cross structure, vertical portion suit in on positioning bolt (4), vertical portion middle section are equipped with vertical tight set hole, and vertical tight set hole threaded connection has vertical tight set screw, pull rod (6) are including S-shaped structure' S pull rod anterior segment (61) and pull rod back end (62) that have the external screw thread, the pull rod anterior segment passes through epidermis tissue (3), the pull rod back end inlays and locates above-mentioned horizontal part and horizontal migration, and pull rod back end threaded connection has adjusting nut (7), adjusting nut is located the both ends of horizontal part and adjusts the embedding degree of depth of pull rod.
3. The longitudinal skull distraction device of claim 2, wherein: the head of the traction rod is of a bending structure (63), a small hole which is communicated up and down is formed in the bone block (2), and the head of the traction rod is embedded in the small hole and hooks the bone block.
4. A longitudinal skull distraction device according to claim 3, wherein: and a limiting check ring (64) is arranged at the top end of the bending structure (63) at the head of the traction rod.
5. Longitudinal skull distraction device according to claim 2, 3 or 4, wherein: the support (5) is provided with a hollow supporting part (53), the supporting part is obliquely arranged and forms an included angle with the vertical part, a supporting rod (8) is embedded in the supporting part, a transverse tightening hole is formed in the middle section of the supporting part, a transverse tightening screw is connected in the transverse tightening hole in a threaded manner, and the head of the supporting rod penetrates through epidermis tissues and abuts against the surface of the skull (1).
6. The longitudinal skull distraction device of claim 5, wherein: the included angle between the supporting part (53) and the vertical part (51) is 45 degrees.
7. The longitudinal skull distraction device of claim 1, wherein: the traction rod (6) is made of stainless steel or titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662173.8U CN211749975U (en) | 2019-05-09 | 2019-05-09 | Longitudinal traction device for skull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662173.8U CN211749975U (en) | 2019-05-09 | 2019-05-09 | Longitudinal traction device for skull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211749975U true CN211749975U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920662173.8U Active CN211749975U (en) | 2019-05-09 | 2019-05-09 | Longitudinal traction device for skull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211749975U (en) |
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2019
- 2019-05-09 CN CN201920662173.8U patent/CN211749975U/en active Active
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