CN110123494B - Femoral prosthesis resetting device in artificial hip joint replacement - Google Patents
Femoral prosthesis resetting device in artificial hip joint replacement Download PDFInfo
- Publication number
- CN110123494B CN110123494B CN201910463001.2A CN201910463001A CN110123494B CN 110123494 B CN110123494 B CN 110123494B CN 201910463001 A CN201910463001 A CN 201910463001A CN 110123494 B CN110123494 B CN 110123494B
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- Prior art keywords
- rod
- prying
- pressing
- hooking
- femoral prosthesis
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/101—Clamping means for connecting accessories to the operating table
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2210/00—Devices for specific treatment or diagnosis
- A61G2210/10—Devices for specific treatment or diagnosis for orthopedics
Abstract
The invention provides a femoral prosthesis resetting device in an artificial hip joint replacement operation, which comprises a hooking and pressing part, a prying and pressing part and a fixing part, wherein a switching part is arranged between the hooking and pressing part and the prying and pressing part, and the femoral prosthesis resetting device is connected with a lateral beam of an operating table after the above structures are assembled and can be conveniently used for resetting the femoral prosthesis into an acetabulum in the artificial hip joint replacement operation. The device simple structure resets easily, and the operation is convenient in the art, saves art person's physical power.
Description
Technical Field
The invention belongs to the technical field of prosthesis reposition in artificial hip joint replacement, in particular to a femoral prosthesis reposition device in artificial hip joint replacement.
Background
The artificial total hip arthroplasty is the best means for treating diseases at the end stage of the hip joint, such as ischemic necrosis of femoral head, rheumatoid arthritis, osteoarthritis and the like at present, but after the femoral prosthesis is placed in the operation, how to more conveniently and effectively reset the femoral prosthesis into the artificial acetabulum or anatomic acetabulum often causes difficulties for operators. The reasons for the method are that the soft tissues around the hip joint are in an abnormal mechanical environment for a long time or scar is formed by multiple operations, a large number of hyperosteogeny or soft tissue contracture, extensibility difference, scar hyperplasia and other reasons, so that the femoral prosthesis is difficult to reposition in the artificial total hip joint replacement operation, and particularly, how to reposition the femoral prosthesis is a great difficulty for patients suffering from moderate and severe congenital hip joint dysplasia. In order to reset the femoral prosthesis, the soft tissue has to be loosened, peeled off and cut off more widely while the physical strength of the operator is greatly consumed, the postoperative rehabilitation process is affected, and the complication occurrence risk is increased. At present, no instrument device capable of assisting an operator to perform labor-saving, convenient and effective femoral prosthesis replacement in the artificial total hip arthroplasty exists.
Disclosure of Invention
The invention aims to provide a femoral prosthesis resetting device in an artificial hip joint replacement operation, which is used for facilitating an operator to more conveniently and effectively reset a femoral prosthesis into an artificial acetabulum or an anatomic acetabulum in the artificial hip joint replacement operation, improving the operation efficiency, shortening the operation time, reducing the operation wound, improving the operation effect and facilitating the clinical application.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
the utility model provides a femoral prosthesis resetting means in artificial hip joint replacement art, includes colludes pressure portion, sled pressure portion, fixed part, collude and press portion and set up the switching portion between the sled pressure portion, assemble the above-mentioned structure back, be connected with the lateral crossbeam of operating table for in the artificial hip joint replacement art with femoral prosthesis reset to the acetabulum.
The femoral prosthesis resetting device in the artificial hip joint replacement operation comprises the hooking and pressing part, wherein one end of the hooking and pressing part is a question mark-shaped pressing head, and the tip of the pressing head is in a gradually thinned blunt round shape.
The femoral prosthesis resetting device in the artificial hip joint replacement operation comprises the horseshoe frame, the connecting rod and the switching rod, wherein the horseshoe frame is arranged at the tail end of the hooking rod and is bifurcated into a horseshoe shape and provided with a side Fang Kaikong; the connecting rod is of a rod-shaped metal structure, and one end of the connecting rod is provided with external threads; the switching rod is made of rod-shaped metal, the tail end side Fang Kaikong is provided with 2 jacks at the head end; the connecting rod is inserted into the square hole at the side of the horseshoe frame, then penetrates through the hole at the side of the tail end of the transfer rod, then penetrates out from the opposite side of the horseshoe frame, and is locked in the horseshoe frame by using the connecting bolt.
The femoral prosthesis resetting device in the artificial hip joint replacement operation comprises the prying and pressing part, wherein the prying and pressing part is a long straight metal rod, and one end of the prying and pressing part is arc-shaped and is provided with a handle.
The femoral prosthesis resetting device in the artificial hip joint replacement operation comprises the fixing part, the clamping head and the prying bolt, wherein the fixing clamping block is of a C-shaped structure, one end of the fixing clamping block is in a metal tooth shape, the other end of the fixing clamping block is provided with an opening, and the hole is internally provided with internal threads; the side of the fixed clamp block body is provided with a hole, the hole is internally provided with internal threads, and the fixed clamp block is firmly connected with the operating table.
The femur prosthesis resetting device in the artificial hip joint replacement operation is characterized in that the prying pressing bolt is of a metal rod-shaped structure, 3 jacks are arranged on the body part, an external thread is arranged on the head end narrow band,
the external thread is matched with the internal thread of the side opening of the fixed clamp block body, and the narrowed part of the head end of the prying bolt is screwed into the side opening of the fixed clamp block to a proper depth; one end of the prying rod is inserted into one hole of the head end of the switching rod and then inserted into one hole of a prying bolt body fixed on a lateral cross beam of the operating table.
The femoral prosthesis resetting device in the artificial hip joint replacement operation is characterized in that one end of the clamping head is in a metal tooth shape, one end of the clamping head is provided with an enlarged hexagonal handle, and the body is provided with external threads which are matched with internal threads of the holes at the other end of the fixed clamping block.
Compared with the prior art, the invention has the advantages and positive effects that: the combined device formed by the femoral prosthesis resetting device in the artificial hip joint replacement can conveniently push the hard-to-restore artificial femoral head in the artificial hip joint replacement into the artificial acetabulum or the anatomic acetabulum through lever prying and pressing force, and particularly for patients with congenital hip joint dysplasia, excessive soft tissue loosening and cutting are not needed, and excessive interference and damage to the soft tissue are reduced. The structure is simple in structure, convenient to operate in operation and capable of reducing reset fatigue of operators; and the device is convenient to adjust and gradually reset, and can avoid excessive traction of nerve tissues to a certain extent. Because of the existence of the horseshoe frame, the connecting rod and the adapter rod, the vertical stress can be eliminated in the process of prying and pressing force application, the efficiency of horizontal pull-down force is improved, and the occurrence of fatigue and complications in operation is reduced.
Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a hooking rod according to the present invention;
FIG. 2 is a schematic diagram of an assembly structure of the hooking rod and the adaptor according to the present invention;
FIG. 3 is a schematic view of the prying bar of the present invention;
FIG. 4 is a schematic view of the structure of the fixing part according to the present invention;
FIG. 5 is a schematic view of the prying pin of the present invention;
fig. 6 is a schematic view of the overall assembly of the femoral prosthesis reduction device of the present invention in use in an artificial hip arthroplasty.
Detailed Description
In artificial total hip replacement, especially for patients with congenital hip dysplasia with high dislocation, how to simply and effectively reposition the replaced femoral prosthesis into the acetabulum is often a big problem for the surgeon. Because of numerous reasons such as contracture of soft tissues, poor ductility, scar hyperplasia and the like, the femoral prosthesis is difficult to reposition into the acetabulum simply by pushing with bare hands of an operator. The physical strength of the operator is greatly consumed, and meanwhile, the soft tissues have to be loosened, peeled off and cut off more widely, so that the postoperative rehabilitation process is influenced, and the occurrence risk of complications is increased. The invention designs a femoral prosthesis resetting device in an artificial hip joint replacement operation to solve the problems, which can help an operator to perform labor-saving, convenient and effective femoral prosthesis resetting in the artificial hip joint replacement operation.
The implementation mode of the invention is specifically described below by way of specific embodiments with reference to the accompanying drawings:
the embodiment provides a femoral prosthesis resetting device in artificial hip joint replacement operation, which is made of metal or alloy with certain mechanical strength, and comprises a hooking and pressing part, a prying and pressing part and a fixing part, wherein an adapter part is arranged between the hooking and pressing part and the prying and pressing part, and the femoral prosthesis resetting device is connected with a lateral beam of an operating table after the above structures are assembled and used for resetting the femoral prosthesis into an acetabulum in the artificial hip joint replacement operation. In particular, the method comprises the steps of,
as shown in fig. 1 and 2, the hooking portion includes a hooking rod 10, one end of the hooking rod 10 is a question mark-shaped pressing head 11, and the tip of the pressing head is a tapered blunt shape. The adapter comprises a horseshoe frame 20, a connecting rod 30 and an adapter rod 40, wherein the horseshoe frame 20 is arranged at the tail end of the hooking and pressing rod and is shaped like a horseshoe, the connecting rod 30 is inserted into a side opening, the connecting rod 30 is of a rod-shaped metal structure, and one end of the connecting rod 30 is provided with external threads; one end of the connecting rod 30 is locked to the horseshoe 20 with a connecting bolt.
The adapter rod 40 has a rod-shaped metal structure, a lateral opening at the tail end for the insertion of the connecting rod 30, and 2 insertion holes at the head end. The connecting rod 30 is inserted into a side hole of the horseshoe frame 20, then passes through a side hole of the tail end of the switching rod 40, then passes out from the opposite side of the horseshoe frame 20, and is locked in the horseshoe frame 20 by using a connecting bolt.
As shown in fig. 3, the prying part includes a prying bar 50, where the prying bar 50 is a long straight metal bar, and one end of the prying bar is arc-shaped and has a handle.
As shown in fig. 4, the fixing portion 60 includes a fixing clamp block 61, a chuck 62 and a prying bolt 63, the fixing clamp block 61 has a C-shaped structure, one end is in a metal tooth shape, the other end is provided with an opening, and the hole is internally provided with internal threads for the chuck 62 to be screwed in; the side of the fixed clamp body is provided with a hole, and the hole is internally provided with internal threads for screwing in the prying bolt; the fixed clamping block 61 is firmly connected with the operating table.
As shown in fig. 5, the prying bolt 63 has a metal rod-shaped structure, the body is provided with 3 insertion holes, the head end narrow band is provided with external threads which are matched with internal threads of a side opening of the body of the fixed clamping block 61, and the head end narrow part of the prying bolt 63 is screwed into the side opening of the fixed clamping block to a proper depth;
the chuck 62 has a metal tooth shape at one end and an enlarged hexagonal handle at one end, and the body is provided with external threads which are matched with internal threads of the hole at the other end of the fixed clamping block 61. One end of the prying bar 50 is inserted into a hole at the head end of the adapter bar 40, and then inserted into a hole of a prying bolt 63 fixed on a lateral beam of the operating table.
As shown in fig. 6, when the femoral prosthesis resetting device in the artificial hip joint replacement of the embodiment is used, the fixed clamping block 61 is inserted into the lateral beam of the operating table, the metal tooth-shaped structure above the fixed clamping block 61 is contacted with the upper part of the lateral beam of the operating table, then one end of the clamping head 62 is held by hand to expand the hexagonal handle, the clamping head 62 is inserted into the opening at one end of the fixed clamping block 61, the external thread of the clamping head 62 is screwed into the internal thread of the opening of the fixed clamping block 61 until the metal tooth at one end of the clamping head is contacted with the lower part of the lateral beam of the operating table and screwed, and thus the fixed clamping block 61 is firmly connected with the operating table; the narrowed portion of the head end of the prying pin 63 is screwed into the side opening of the fixed clamp block 61 to a proper depth. The tip of a pressure head of the hooking rod 10 is inserted into a threaded hole of the shoulder of the artificial total hip femoral prosthesis, or a question mark-shaped concave part of the pressure head is pressed on the neck of the artificial total hip femoral prosthesis; the connecting rod 30 is inserted into a side hole of the horseshoe frame 20, then passes through a side hole of the tail end of the adapter rod 40, then passes out from the opposite side of the horseshoe frame 20, and is locked in the horseshoe frame by using a connecting bolt, and at the moment, the adapter rod 40 can rotate on the connecting rod 30.
One end of the prying bar 50 is inserted into a hole at the head end of the adapter bar 40, and then inserted into a hole of a prying bolt 63 body part fixed on a lateral beam of the operating table, and the depth of the prying bolt 63 screwed into the fixed clamping block 61 is adjusted so that the direction of the hole is the same as that of the prying bar. At this time, the handle at one end of the prying bar 50 is held, as shown by the arrow direction in fig. 6, the prying bar 50 is gradually pressed under the gradual force application, so that the artificial total hip joint femoral prosthesis can gradually move towards the tail end until the acetabulum is horizontal, and then a small amount of lateral thrust is applied, so that the hip joint can be successfully reset.
The resetting device of the embodiment can conveniently push the hard-to-restore artificial femoral head in the artificial hip joint replacement operation into the artificial acetabulum or the anatomical acetabulum by lever prying and pressing force, and particularly for patients with congenital hip joint dysplasia, excessive soft tissue loosening and cutting are not needed, and excessive interference and damage to the soft tissue are reduced. Because of the existence of the horseshoe frame, the connecting rod and the switching rod, the switching rod can rotate on the connecting rod, and the vertical stress can be eliminated in the process of prying and pressing force application, the efficiency of horizontal pull-down force is improved, and the occurrence of fatigue and complications in operation is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. A femoral prosthesis reduction device in artificial hip joint replacement, which is characterized in that: the femoral prosthesis comprises a hooking and pressing part, a prying and pressing part and a fixing part, wherein an adapter part is arranged between the hooking and pressing part and the prying and pressing part, and the hooking and pressing part, the prying and pressing part, the adapter part and the fixing part are assembled and then connected with a lateral beam of an operating table for resetting the femoral prosthesis into an acetabulum in an artificial hip joint replacement operation;
the hooking and pressing part comprises a hooking and pressing rod, one end of the hooking and pressing rod is a question mark-shaped pressing head, and the tip of the pressing head is a gradually thinned blunt round;
the switching part comprises a horseshoe frame, a connecting rod and a switching rod, wherein the horseshoe frame is arranged at the tail end of the hooking and pressing rod and is bifurcated into a horseshoe shape, and the side Fang Kaikong is provided with a connecting rod and a switching rod; the connecting rod is of a rod-shaped metal structure, and one end of the connecting rod is provided with external threads; the switching rod is made of rod-shaped metal, the tail end side Fang Kaikong is provided with 2 jacks at the head end; the connecting rod is inserted into a square hole at the side of the horseshoe frame, then penetrates through a hole at the side of the tail end of the transfer rod, then penetrates out from the opposite side of the horseshoe frame, and is locked in the horseshoe frame by using a connecting bolt;
the prying part comprises a prying rod, the prying rod is a long straight metal rod, and one end of the prying rod is arc-shaped and is provided with a handle;
the fixing part comprises a fixing clamping block, a chuck and a prying bolt, wherein the fixing clamping block is of a C-shaped structure, one end of the fixing clamping block is in a metal tooth shape, the other end of the fixing clamping block is provided with an opening, and the hole is internally provided with internal threads; the side of the fixed clamp block body is provided with a hole, the hole is internally provided with threads, and the fixed clamp block is connected with an operating table;
the prying bolt is of a metal rod-shaped structure, 3 jacks are arranged on the body part, an external thread is arranged on the narrow band at the head end,
the external thread is matched with the internal thread of the side opening of the fixed clamp block body, and the narrowed part of the head end of the prying bolt is screwed into the side Fang Kaikong of the fixed clamp block; one end of the prying bar is inserted into a hole at the head end of the switching bar and then inserted into a hole of a prying bolt body fixed on a lateral cross beam of the operating table;
one end of the chuck is in a metal tooth shape, the other end of the chuck is provided with an enlarged hexagonal handle, and the body is provided with external threads which are matched with internal threads of the holes at the other end of the fixed clamping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463001.2A CN110123494B (en) | 2019-05-30 | 2019-05-30 | Femoral prosthesis resetting device in artificial hip joint replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463001.2A CN110123494B (en) | 2019-05-30 | 2019-05-30 | Femoral prosthesis resetting device in artificial hip joint replacement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110123494A CN110123494A (en) | 2019-08-16 |
| CN110123494B true CN110123494B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910463001.2A Active CN110123494B (en) | 2019-05-30 | 2019-05-30 | Femoral prosthesis resetting device in artificial hip joint replacement |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113081410B (en) * | 2021-04-06 | 2023-01-13 | 山东大学齐鲁医院(青岛) | Forward-pushing type hip joint resetting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4995875A (en) * | 1988-05-27 | 1991-02-26 | Cecil Coes | Femoral elevating tool |
| US6315718B1 (en) * | 1999-10-04 | 2001-11-13 | Minnesota Scientific, Inc. | Method for hip retraction |
| DE19963456A1 (en) * | 1999-12-28 | 2001-11-08 | Markus Uttikal | Surgical instrument |
| DE102008057336A1 (en) * | 2008-11-14 | 2010-06-02 | Haindl, Hans, Dr. | clamp |
| CN201727550U (en) * | 2010-08-09 | 2011-02-02 | 钱建民 | Tensioning rope built-in operation retractor |
| EP2471464A1 (en) * | 2011-01-04 | 2012-07-04 | Universitätsklinikum Münster | Surgical or medical retractor device |
| CN202146323U (en) * | 2011-07-14 | 2012-02-22 | 舒勇 | Posterolateral approach bone lever for hip replacement |
| CN203935218U (en) * | 2014-05-14 | 2014-11-12 | 北京威高亚华人工关节开发有限公司 | Can beating type surgery tractor |
| CN204618492U (en) * | 2015-03-25 | 2015-09-09 | 胡懿郃 | A kind of femur skid plate |
| CN204931817U (en) * | 2015-08-19 | 2016-01-06 | 遵义医学院附属医院 | Hip-joint repositioning device |
| CN205215290U (en) * | 2015-12-16 | 2016-05-11 | 嘉思特华剑医疗器材(天津)有限公司 | Hip joint is drag hook suit for minimal access surgery |
| CN206603792U (en) * | 2016-12-21 | 2017-11-03 | 谭美云 | Acetabular bone leading edge pull hook |
| CN207604972U (en) * | 2017-04-01 | 2018-07-13 | 上海市浦东医院 | Group drag hook for the minimally invasive artificial femoral head replacement of SuperPath approaches |
| CN107802267B (en) * | 2017-12-03 | 2023-08-08 | 贵阳中医学院第二附属医院 | Device and method for measuring femur side anteversion angle in artificial hip joint replacement |
| CN210144808U (en) * | 2019-05-30 | 2020-03-17 | 青岛大学附属医院 | Femoral prosthesis resetting device in artificial hip joint replacement |
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- 2019-05-30 CN CN201910463001.2A patent/CN110123494B/en active Active
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