CN212879536U - High-performance tantalum-tungsten rod for orthopedic surgery - Google Patents
High-performance tantalum-tungsten rod for orthopedic surgery Download PDFInfo
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- CN212879536U CN212879536U CN202020951106.0U CN202020951106U CN212879536U CN 212879536 U CN212879536 U CN 212879536U CN 202020951106 U CN202020951106 U CN 202020951106U CN 212879536 U CN212879536 U CN 212879536U
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- tungsten rod
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Abstract
The utility model relates to the technical field of surgical instruments, and a high performance tantalum tungsten stick for among orthopedic surgery is disclosed, including tantalum tungsten stick body, the upper end activity cover of tantalum tungsten stick body is equipped with fixed sleeve, the lateral wall fixedly connected with screwed pipe of fixed sleeve upside, the outer wall of screwed pipe is threaded, two pinholes have been seted up to fixed sleeve's outer wall symmetry, two cotter ways corresponding with the pinhole have been seted up to tantalum tungsten stick body's outer wall symmetry, cotter way internalization is inserted and is equipped with the pin, the pinhole is all stretched out at the both ends of pin, the pin is arranged in the one end of fixed sleeve and is stretched into cotter way, fixed sleeve overcoat activity cover is equipped with spacing pipe. The utility model discloses effectual convenience and the accuracy that improves tantalum tungsten stick and implant.
Description
Technical Field
The utility model relates to the technical field of surgical instruments, in particular to a high-performance tantalum-tungsten rod for orthopedic surgery.
Background
The tantalum-tungsten rod is made of porous metal tantalum, has the structural characteristics of human cancellous bone, has larger pores, is close to the hole pitch of human trabecula bone, has elasticity close to the elasticity of human bone, has good biocompatibility, and is also called as a metal bone, a metal trabecula bone and a femoral head necrosis reconstruction rod, which is an important material in orthopedic surgery.
When the existing tantalum-tungsten rod is used, the surface of the tantalum-tungsten rod is smooth, so that the operation is inconvenient during implantation, and the bone of a patient is easily damaged, thereby affecting the final effect of an operation and the subsequent recovery effect of the body of the patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of inconvenient implantation of the tantalum-tungsten rod in the prior art, and providing a high-performance tantalum-tungsten rod for use in orthopedic surgery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-performance tantalum-tungsten rod used in orthopedic surgery comprises a tantalum-tungsten rod body, wherein a fixed sleeve is movably sleeved at the upper end of the tantalum-tungsten rod body, the side wall of the upper side of the fixed sleeve is fixedly connected with a threaded pipe, the outer wall of the threaded pipe is provided with threads, the outer wall of the fixed sleeve is symmetrically provided with two pin holes, the outer wall of the tantalum-tungsten rod body is symmetrically provided with two pin grooves corresponding to the pin holes, a pin is movably inserted in the pin hole, two ends of the pin extend out of the pin hole, one end of the pin, which is positioned in the fixed sleeve, extends into the pin groove, the outer side of the fixed sleeve is movably sleeved with a limiting pipe, the limiting pipe is made of rubber, the inner wall of the upper side of the fixed sleeve is symmetrically and fixedly connected with two positioning blocks, two positioning grooves matched with the positioning blocks are symmetrically formed in the upper end of the tantalum-tungsten rod body, and the positioning blocks are located in the positioning grooves.
Preferably, the outer wall of the fixing sleeve is symmetrically and fixedly provided with two limiting ring plates, the limiting pipe is positioned between the two limiting ring plates, and the outer diameter of each limiting ring plate is larger than the inner diameter of the limiting pipe.
Preferably, the fixed cover of spacing outside of tubes is equipped with the antiskid cover, the concrete material of antiskid cover is silica gel.
Preferably, the lower end of the fixed sleeve is fixedly connected with a sealing ring, and the sealing ring is movably sleeved outside the tantalum-tungsten rod body.
Preferably, a gasket is movably sleeved outside the threaded pipe.
Preferably, the side wall of the upper side of the fixed sleeve is provided with an air hole.
Compared with the prior art, the utility model provides a high performance tantalum tungsten stick for among bone surgery possesses following beneficial effect:
the high-performance tantalum tungsten rod for the orthopedic surgery is characterized in that the high-performance tantalum tungsten rod for the orthopedic surgery is provided with a tantalum tungsten rod body, a fixing sleeve, a threaded pipe, a pin hole, a pin groove, a pin, a limiting pipe, positioning blocks and positioning grooves, wherein the fixing sleeve is sleeved at the upper end of the tantalum tungsten rod body during assembly, the two positioning blocks are inserted into the two positioning grooves, when the positioning blocks are inserted into the positioning grooves, the pin hole is aligned with the pin groove, the pin is inserted into the pin hole and the pin groove, the pin can fix the fixing sleeve and the tantalum tungsten rod body together, the limiting pipe is sleeved outside the fixing sleeve, the limiting pipe can limit the pin to prevent the pin from falling off, during implantation, the threaded pipe is fixed outside the threaded sleeve, then the threaded sleeve is controlled to insert the tantalum tungsten rod body into a surgery part, compared with the smooth tantalum tungsten rod body, the operation is more convenient and more accurate in implantation, when the required position is implanted, relieve spacing pipe spacing to the pin, take out the pin, relieve the pin spacing to fixed sleeve, take off fixed sleeve, accomplish the implantation to tantalum tungsten stick body, this device is effectual has improved the convenience and the accuracy that tantalum tungsten stick was implanted.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the effectual convenience and the accuracy of improving tantalum tungsten stick implantation.
Drawings
Fig. 1 is a schematic structural diagram of a high performance tantalum-tungsten rod used in orthopedic surgery according to the present invention;
FIG. 2 is a schematic structural view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a portion B in fig. 2.
In the figure: the device comprises a tantalum tungsten rod body 1, a fixing sleeve 2, a threaded pipe 3, a pin hole 4, a pin groove 5, a pin 6, a limiting pipe 7, a positioning block 8, a positioning groove 9, a limiting ring plate 10, an anti-skidding sleeve 11, a sealing ring 12, a gasket 13 and an air hole 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a high-performance tantalum tungsten rod for use in orthopedic surgery comprises a tantalum tungsten rod body 1, wherein a fixed sleeve 2 is movably sleeved at the upper end of the tantalum tungsten rod body 1, a threaded pipe 3 is fixedly connected to the side wall of the upper side of the fixed sleeve 2, threads are formed on the outer wall of the threaded pipe 3, two pin holes 4 are symmetrically formed in the outer wall of the fixed sleeve 2, two pin grooves 5 corresponding to the pin holes 4 are symmetrically formed in the outer wall of the tantalum tungsten rod body 1, pins 6 are movably inserted in the pin holes 4, two ends of the pins 6 extend out of the pin holes 4, one end of each pin 6 located in the fixed sleeve 2 extends into the corresponding pin groove 5, a limiting pipe 7 is movably sleeved outside the fixed sleeve 2, the specific material of the limiting pipe 7 is rubber, two positioning blocks 8 are symmetrically and fixedly connected to the inner wall of the upper side of the fixed sleeve 2, two positioning grooves 9 matched with the positioning, the positioning blocks 8 are positioned in the positioning grooves 9, when the positioning blocks 8 are assembled, the fixing sleeve 2 is sleeved at the upper end of the tantalum tungsten rod body 1, the two positioning blocks 8 are inserted into the two positioning grooves 9, when the positioning blocks 8 are inserted into the positioning grooves 9, the pin holes 4 are aligned with the pin grooves 5, the pins 6 are inserted into the pin holes 4 and the pin grooves 5, the pins 4 can fix the fixing sleeve 2 and the tantalum tungsten rod body 1 together, the limiting pipes 7 are sleeved outside the fixing sleeve 2, the limiting pipes 7 can limit the pins 6 to prevent the pins 6 from falling off, when the positioning device is implanted, the threaded pipes 3 are screwed outside the threaded sleeve, then the threaded sleeve is controlled to insert the tantalum tungsten rod body 1 into an operation part, compared with the smooth tantalum tungsten rod body 1, the operation is more convenient, the implantation is more accurate, when the positioning device is implanted to a required position, the limiting pipes 7 are cut off, the limiting of the limiting pipes 7 on the pins, relieve pin 6 spacing to fixed sleeve 2, take off fixed sleeve 2, accomplish the implantation to tantalum tungsten stick body 1, this device is effectual has improved the convenience and the accuracy that tantalum tungsten stick was implanted.
The fixed cover of outer wall symmetry of fixed sleeve 2 is equipped with two spacing collar plates 10, and spacing pipe 7 is located between two spacing collar plates 10, and the external diameter of spacing collar plate 10 is greater than the internal diameter of spacing pipe 7, and spacing collar plate 10 can carry on spacingly to spacing pipe 7, avoids spacing pipe 7 to produce great displacement.
The outer fixed cover of spacing pipe 7 is equipped with anti-skidding cover 11, and the concrete material of anti-skidding cover 11 is silica gel, and anti-skidding cover 11 can improve the convenience of spacing pipe 7 installation.
The lower extreme fixedly connected with sealing washer 12 of fixed sleeve 2, outside sealing washer 12 movable sleeve located tantalum tungsten stick body 1, sealing washer 12 can improve the leakproofness between fixed sleeve 2 lower extreme and tantalum tungsten stick body 1, avoids liquid infiltration.
The threaded pipe 3 is movably sleeved with a gasket 13, and the gasket 13 can improve the connection tightness of the threaded pipe 3 and the threaded sleeve.
The side wall of the upper side of the fixed sleeve 2 is provided with an air hole 14, so that the air pressure in the fixed sleeve 2 is balanced with the outside, and the convenience of disassembling the fixed sleeve 2 is improved.
In the utility model, during assembly, the fixing sleeve 2 is sleeved on the upper end of the tantalum tungsten rod body 1, so that the two positioning blocks 8 are inserted into the two positioning grooves 9, when the positioning blocks 8 are inserted into the positioning grooves 9, the pin holes 4 are aligned with the pin grooves 5, the pins 6 are inserted into the pin holes 4 and the pin grooves 5, the pins 4 can fix the fixing sleeve 2 and the tantalum tungsten rod body 1 together, the limiting pipe 7 is sleeved outside the fixing sleeve 2, the limiting pipe 7 can limit the pins 6 to prevent the pins 6 from falling off, during implantation, the threaded pipe 3 is screwed outside the threaded sleeve, then the threaded sleeve is controlled to insert the tantalum tungsten rod body 1 into an operation part, compared with the smooth tantalum tungsten rod body 1, the operation is more convenient, the implantation is more accurate, when the required position is implanted, the limiting pipe 7 is cut off, the limiting of the limiting pipe 7 on the pins 6 is removed, the pins 6 are taken out, the limiting of the pins 6 on the fixing sleeve 2 is removed, take off fixed sleeve 2, accomplish the implantation to tantalum tungsten stick body 1, this device is effectual has improved the convenience and the accuracy that tantalum tungsten stick was implanted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high performance tantalum tungsten stick for among bone surgery, includes tantalum tungsten stick body (1), its characterized in that, the upper end activity cover of tantalum tungsten stick body (1) is equipped with fixed sleeve (2), the lateral wall fixedly connected with screwed pipe (3) of fixed sleeve (2) upside, the outer wall of screwed pipe (3) is seted up threadedly, two pinhole (4) have been seted up to the outer wall symmetry of fixed sleeve (2), the outer wall symmetry of tantalum tungsten stick body (1) is seted up two cotter way (5) corresponding with pinhole (4), cotter (6) are inserted to pinhole (4) internalization, pinhole (4) are all stretched out at the both ends of cotter (6), cotter (6) are arranged in one end of fixed sleeve (2) is stretched into cotter way (5), the outer activity cover of fixed sleeve (2) is equipped with spacing pipe (7), the concrete material of spacing pipe (7) is rubber, two locating pieces (8) of inner wall symmetry fixedly connected with of fixed sleeve (2) upside, two and locating piece (8) assorted constant head tank (9) have been seted up to the upper end symmetry of tantalum tungsten stick body (1), locating piece (8) are located constant head tank (9).
2. The high-performance tantalum-tungsten rod for the orthopedic surgery is characterized in that the outer wall of the fixing sleeve (2) is symmetrically fixedly sleeved with two limiting ring plates (10), the limiting tube (7) is positioned between the two limiting ring plates (10), and the outer diameter of the limiting ring plates (10) is larger than the inner diameter of the limiting tube (7).
3. The high-performance tantalum-tungsten rod for the orthopedic surgery is characterized in that an anti-slip sleeve (11) is fixedly sleeved outside the limiting tube (7), and the anti-slip sleeve (11) is made of silica gel.
4. The high-performance tantalum-tungsten rod for the orthopedic surgery is characterized in that a sealing ring (12) is fixedly connected to the lower end of the fixing sleeve (2), and the sealing ring (12) is movably sleeved outside the tantalum-tungsten rod body (1).
5. A high performance tantalum tungsten rod for use in orthopaedic surgery according to claim 1 characterized in that said threaded tube (3) is movably sleeved with a washer (13).
6. The high-performance tantalum-tungsten rod for orthopedic surgery according to claim 1, characterized in that the side wall of the upper side of the fixing sleeve (2) is provided with air holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020951106.0U CN212879536U (en) | 2020-05-29 | 2020-05-29 | High-performance tantalum-tungsten rod for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020951106.0U CN212879536U (en) | 2020-05-29 | 2020-05-29 | High-performance tantalum-tungsten rod for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212879536U true CN212879536U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020951106.0U Active CN212879536U (en) | 2020-05-29 | 2020-05-29 | High-performance tantalum-tungsten rod for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212879536U (en) |
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2020
- 2020-05-29 CN CN202020951106.0U patent/CN212879536U/en active Active
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