CN210784854U - Bone cement type hip joint handle with good safety performance - Google Patents
Bone cement type hip joint handle with good safety performance Download PDFInfo
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- CN210784854U CN210784854U CN201920204593.1U CN201920204593U CN210784854U CN 210784854 U CN210784854 U CN 210784854U CN 201920204593 U CN201920204593 U CN 201920204593U CN 210784854 U CN210784854 U CN 210784854U
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- sleeve
- loop bar
- fixing
- fixedly connected
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a bone cement type hip joint handle with good safety performance, which comprises a handle component, a connecting component and a fixing component, wherein the fixing component comprises a second loop bar, a sleeve, a locking bolt, a rotating rod, a fixing groove, a fixing hole, a spring, a connecting block, a lug and an internal screw cap, the second loop bar is fixedly connected below a thick bar interface, the fixing groove is arranged on the outer surface of the second loop bar, one end of the spring is fixedly connected inside the fixing groove, the top of the connecting block is fixedly connected at the other end of the spring, the rotating rod is fixedly connected at the top of the locking bolt, the internal screw cap is arranged at the bottom of the second loop bar, the utility model discloses a fixing component is arranged to fix different drill type tails and enhance the connection between the internal screw cap and a bone drill, thereby improving the safety performance of the whole device, ensures that medical staff can not have accidents in the using process and influence the effect of the operation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a bone cement type hip joint handle with good safety performance.
Background
The bone cement type artificial hip joint is characterized in that the artificial joint prosthesis is fixed on a host bone by using bone cement, the bone cement is filled between the prosthesis and the host bone to form an important fixing band, the bone cement can mesh the prosthesis and the bone together to conduct load force from the prosthesis to the bone, and the effect of dispersing pressure and tension is achieved to the maximum extent, the bone cement type artificial hip joint has more than 50 years of clinical experience and obtains satisfactory clinical curative effect, and the key for obtaining the satisfactory clinical curative effect by receiving good training of bone cement type artificial joint replacement and mastering modern bone cement technology is the bone cement type artificial hip joint.
In the hip joint operation, usually need to utilize bone cement type hip joint handle to fix the afterbody at brill class instrument to medical staff's operation, traditional handle is when using, and for the convenience of washing, detachable handle can usually be chooseed for use, but in the use, the safety and stability can be poor, and it is not good to connect the fastness, influences the operation quality, therefore we need a bone cement type hip joint handle that the security performance is good, when connecting simple to operate, and stability can be high, with the security performance that improves whole device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bone cement type hip joint handle that security performance is good, reached whole handle safety and stability, and the convenient purpose of dismouting clearance.
In order to achieve the above object, the utility model provides a following technical scheme: a bone cement type hip joint handle with good safety performance comprises a handle component, a connecting component and a fixing component, wherein the handle component is positioned above the connecting component, and the fixing component is positioned below the connecting component;
the handle assembly comprises a handle, a corrugated structure and a first sleeve rod, the corrugated structure is arranged on the outer surface of the handle, and the top of the first sleeve rod is welded in the middle of the bottom of the handle;
the connecting assembly comprises a flange plate, a connecting seat and a thick rod interface, the flange plate is welded in the center of the bottom of the connecting seat, the thick rod interface is arranged at the bottom of the flange plate, and the top of the connecting seat is welded with the bottom of the first sleeve rod;
the fixing component comprises a second loop bar, a sleeve, a locking bolt, a rotating rod, a fixing groove, a fixing hole, a spring, a connecting block, a convex block and an inner nut, the second loop bar is fixedly connected to the bottom of the thick bar connector, the fixing groove is formed in the outer surface of the second loop bar, one end of the spring is fixedly connected to the inside of the fixing groove, the top of the connecting block is fixedly connected to the other end of the spring and located inside the fixing groove, the sleeve is connected to the outer surface of the second loop bar in a sleeved mode, the fixing groove is located on the inner side of the sleeve, the convex block is fixedly connected to the inner wall of the sleeve and located below the connecting block, the fixing hole is formed in the outer side of the second loop bar and located above the fixing groove, the locking bolt is inserted into the upper portion of the sleeve, the rotating rod is fixedly connected to the top of the locking bolt, and is located in the inner cavity of the second sleeve rod.
Preferably, the fixed slot, the spring, the connecting block and the protruding block are provided with two groups, and the two groups are symmetrically arranged on two sides of the second loop bar.
Preferably, the fixing holes and the locking bolts are also provided with two groups, the two groups are symmetrically arranged on two sides of the second loop bar, and the size of the locking bolts is matched with that of the fixing holes.
Preferably, the telescopic distance of the spring is matched with the length of the fixing hole, and the size of the projection is matched with that of the fixing groove.
Preferably, the outer surface of the handle is further provided with a rubber sleeve, and the outer side of the rubber sleeve is corrugated.
Preferably, the size of the sleeve is matched with that of the second sleeve rod, an annular groove is further formed in the outer surface of the second sleeve rod, and the annular groove is located below the sleeve.
The utility model provides a bone cement type hip joint handle with good safety performance. The method has the following beneficial effects:
(1) the utility model discloses a fixed subassembly that sets up, when installing whole hip joint handle at the afterbody of boring type instrument, through the cooperation between connecting block, spring and the lug in the individual fixed slot, drive whole telescopic regulation, it is fixed effectively to the brill type afterbody realization of difference, strengthens the connection effect between whole interior nut and the bone drill to improve whole hip joint handle's security performance, ensured that medical staff can not meet accident in the use, influenced the effect of operation.
(2) The utility model discloses a coupling assembling that sets up adopts welded connected mode for connect more firmly, the ripple structure that sets up simultaneously can accord with ergonomic design with the better cooperation of finger, and the application of force is lighter, is favorable to improving the operation effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic side view of the present invention.
In the figure: the handle comprises a handle assembly 1, a connecting assembly 2, a flange plate 201, a connecting seat 202, a thick rod interface 203, a fixing assembly 3, a second loop bar 301, a sleeve 302, a locking bolt 303, a rotating rod 304, a fixing groove 305, a fixing hole 306, a spring 307, a connecting block 308, a convex block 309, an inner nut 310, a handle 4, a corrugated structure 5, a first loop bar 6 and an annular groove 7.
Detailed Description
As shown in fig. 1-3, the utility model provides a technical solution: a bone cement type hip joint handle with good safety performance comprises a handle component 1, a connecting component 2 and a fixing component 3, wherein the handle component 1 is located above the connecting component 2, and the fixing component 3 is located below the connecting component 2.
The handle assembly 1 comprises a handle 4, a corrugated structure 5 and a first sleeve rod 6, wherein the corrugated structure 5 is arranged on the outer surface of the handle 4, and the top of the first sleeve rod 6 is welded at the middle position of the bottom of the handle 4.
The connecting assembly 2 comprises a flange 201, a connecting seat 202 and a thick rod interface 203, wherein the flange 201 is welded at the center of the bottom of the connecting seat 202, the thick rod interface 203 is arranged at the bottom of the flange 201, and the top of the connecting seat 202 is welded with the bottom of the first sleeve rod 6.
The fixing component 3 comprises a second loop bar 301, a sleeve 302, a locking bolt 303, a rotating rod 304, a fixing groove 305, a fixing hole 306, a spring 307, a connecting block 308, a bump 309 and an internal nut 310, the second loop bar 301 is fixedly connected to the bottom of the thick bar interface 203, the fixing groove 305 is arranged on the outer surface of the second loop bar 301, one end of the spring 307 is fixedly connected to the inside of the fixing groove 305, the top of the connecting block 308 is fixedly connected to the other end of the spring 307 and is located inside the fixing groove 305, the sleeve 302 is sleeved on the outer surface of the second loop bar 301, the fixing groove 305 is located inside the sleeve 302, the bump 309 is fixedly connected to the inner wall of the sleeve 302 and is located below the connecting block 308, the fixing hole 306 is arranged on the outer side of the second loop bar 301 and is located above the fixing groove 305, the locking bolt 303 is inserted above the sleeve 302, the rotating rod 304, an inner nut 310 is mounted on the bottom of the second stem 301 and is located in the inner cavity of the second stem 301.
Fixed slot 305, spring 307, connecting block 308 and lug 309 all are equipped with two sets ofly, the symmetry sets up the both sides at second sleeve pole 301, fixed orifices 306 and locking bolt 303 also are equipped with two sets ofly, the symmetry sets up the both sides at second sleeve pole 301, the size of locking bolt 303 and the size phase-match of fixed orifices 306, the scalable distance of spring 307 and the length phase-match of fixed orifices 306, the size of lug 309 and the size phase-match of fixed slot 305, the surface of handle 4 still is equipped with the rubber sleeve, the outside of rubber sleeve is corrugate, the size of sleeve 302 and the size phase-match of second sleeve pole 301, annular groove 7 has still been seted up to the surface of second sleeve pole 301, the below that is located sleeve 302 of annular groove 7.
When in use, the inner nut 310 of the second sleeve rod 301 is arranged at the tail of a drilling tool, and the drill body enters the inner cavity of the second sleeve rod 301, the whole sleeve 302 moves towards the handle assembly 1 to drive the lug 309 to move upwards in the fixed groove 305, so as to drive the connecting block 308 to move upwards and the spring 307 to contract, the locking bolt 303 is aligned to the concave connecting position of the drill body from the direction of the fixed hole 306 and is fixed, the locking bolts 303 at two sides are simultaneously arranged and fixed, the whole inner drill body is effectively limited under the tension of the spring 307, so that the connection is stable, the upper connecting assembly 2 is welded through the connecting seat 205, so that the whole handle assembly 1 is fixedly arranged at the top of the whole device, in the using process, the operation cannot be influenced by the loose connection of the handle, the whole device has a compact structure and simple operation, and the drill bit is convenient to install and disassemble, does not influence the whole connection strength, and is suitable for the use in bone cement type hip joint surgery.
To sum up, the utility model discloses a fixed subassembly 3 that sets up, when installing whole hip joint handle at the afterbody of boring type instrument, through connecting block 308 in the fixed slot 305, the cooperation between spring 307 and the lug 309, drive the regulation of whole sleeve 302, it is fixed effectively to bore type afterbody realization of difference, strengthen the connection effect between whole interior nut 310 and the bone drill, thereby the security performance of whole hip joint handle has been improved, ensured that medical staff can not meet accident in the use, influence the effect of operation. On the other hand, this kind of bone cement type hip joint handle that security performance is good originally adopts welded connected mode through the coupling assembling 2 that sets up for connect more firmly, the ripple structure 5 that sets up simultaneously can accord with ergonomic design with better cooperation of finger, and the application of force is lighter, is favorable to improving the operation effect.
Claims (6)
1. The utility model provides a bone cement type hip joint handle that security performance is good, includes handle components (1), coupling assembling (2) and fixed subassembly (3), its characterized in that: the handle assembly (1) is positioned above the connecting assembly (2), and the fixing assembly (3) is positioned below the connecting assembly (2);
the handle assembly (1) comprises a handle (4), a corrugated structure (5) and a first sleeve rod (6), wherein the corrugated structure (5) is arranged on the outer surface of the handle (4), and the top of the first sleeve rod (6) is welded in the middle of the bottom of the handle (4);
the connecting assembly (2) comprises a flange plate (201), a connecting seat (202) and a thick rod interface (203), the flange plate (201) is welded at the bottom of the connecting seat (202), the thick rod interface (203) is fixedly connected at the bottom of the flange plate (201), and the top of the connecting seat (202) is welded with the bottom of the first sleeve rod (6);
the fixing assembly (3) comprises a second loop bar (301), a sleeve (302), a locking bolt (303), a rotating rod (304), a fixing groove (305), a fixing hole (306), a spring (307), a connecting block (308), a lug (309) and an inner nut (310), the second loop bar (301) is fixedly connected to the bottom of the thick bar interface (203), the fixing groove (305) is formed in the outer surface of the second loop bar (301), one end of the spring (307) is fixedly connected to the inside of the fixing groove (305), the top of the connecting block (308) is fixedly connected to the other end of the spring (307) and located inside of the fixing groove (305), the sleeve (302) is sleeved on the outer surface of the second loop bar (301), the fixing groove (305) is located on the inner side of the sleeve (302), the lug (309) is fixedly connected to the inner wall of the sleeve (302) and located below the connecting block (308), the fixing hole (306) is formed in the outer side of the second loop bar (301) and located above the fixing groove (305), the locking bolt (303) is inserted into the upper portion of the sleeve (302), the rotating rod (304) is fixedly connected to the top of the locking bolt (303), and the inner nut (310) is installed at the bottom of the second loop bar (301) and located in the inner cavity of the second loop bar (301).
2. The bone cement type hip joint handle with good safety performance as claimed in claim 1, is characterized in that: the fixing grooves (305), the springs (307), the connecting blocks (308) and the protruding blocks (309) are arranged in two groups and symmetrically arranged on two sides of the second loop bar (301).
3. The bone cement type hip joint handle with good safety performance as claimed in claim 1, is characterized in that: the fixing holes (306) and the locking bolts (303) are also provided with two groups, the two groups are symmetrically arranged on two sides of the second loop bar (301), and the size of the locking bolts (303) is matched with that of the fixing holes (306).
4. The bone cement type hip joint handle with good safety performance as claimed in claim 1, is characterized in that: the telescopic distance of the spring (307) is matched with the length of the fixing hole (306), and the size of the convex block (309) is matched with that of the fixing groove (305).
5. The bone cement type hip joint handle with good safety performance as claimed in claim 1, is characterized in that: the outer surface of the handle (4) is also provided with a rubber sleeve, and the outer side of the rubber sleeve is corrugated.
6. The bone cement type hip joint handle with good safety performance as claimed in claim 1, is characterized in that: the size of sleeve (302) and the size of second loop bar (301) match, annular groove (7) have still been seted up to the surface of second loop bar (301), annular groove (7) are located the below of sleeve (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204593.1U CN210784854U (en) | 2019-02-15 | 2019-02-15 | Bone cement type hip joint handle with good safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204593.1U CN210784854U (en) | 2019-02-15 | 2019-02-15 | Bone cement type hip joint handle with good safety performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210784854U true CN210784854U (en) | 2020-06-19 |
Family
ID=71233223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920204593.1U Active CN210784854U (en) | 2019-02-15 | 2019-02-15 | Bone cement type hip joint handle with good safety performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210784854U (en) |
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2019
- 2019-02-15 CN CN201920204593.1U patent/CN210784854U/en active Active
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