CN110115646B - Femoral stem test mold with auxiliary dislocation function - Google Patents
Femoral stem test mold with auxiliary dislocation function Download PDFInfo
- Publication number
- CN110115646B CN110115646B CN201910481746.1A CN201910481746A CN110115646B CN 110115646 B CN110115646 B CN 110115646B CN 201910481746 A CN201910481746 A CN 201910481746A CN 110115646 B CN110115646 B CN 110115646B
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- shaped structure
- neck
- femur
- femoral
- file
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 210000002436 femur neck Anatomy 0.000 claims abstract description 95
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000000689 upper leg Anatomy 0.000 abstract description 13
- 210000003041 ligament Anatomy 0.000 abstract description 8
- 210000003205 muscle Anatomy 0.000 abstract description 8
- 210000004394 hip joint Anatomy 0.000 description 4
- 210000003141 lower extremity Anatomy 0.000 description 4
- 210000001185 bone marrow Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
Abstract
The invention provides a femoral stem test mold with an auxiliary dislocation function, which comprises a file (1) and a front end structure detachably arranged at one end of the file (1), wherein the front end structure comprises a femoral neck (2) and a femoral neck head (3); the method is characterized in that: the femur neck (2) and the femur neck head (3) are detachably connected through a connecting structure which is staggered and separated from the file (1) in different axial directions; according to the femur stem test mold, the femur neck and the femur neck head are detachably connected through the special connecting structure, when the femur stem test mold needs to be pulled out, the femur neck and the femur neck head can be separated in a misplacement mode only by releasing the connection between the femur neck and the femur neck head, and the femur stem test mold does not need to be directly opposed to muscle ligaments, so that the pulling out is labor-saving and rapid, and the muscle ligaments and the like are not easy to damage.
Description
Technical Field
The invention relates to an operation appliance for joint replacement, in particular to a femoral stem test mold with an auxiliary dislocation function for hip joint replacement operation.
Background
In the artificial joint replacement operation, a test mold with the same size as the product is used to verify the matching condition before the real artificial joint is placed, and after the matching condition is confirmed, the test mold is taken out and then the real prosthesis is placed. In an artificial hip joint prosthesis, the trial of the femoral stem component is divided into two parts, the stem and neck (head), both of which are rigid components. In general artificial hip joint replacement surgery, in order to obtain the same exercise capacity as the original lower limb of a human body, the operation flow of a femoral stem is as follows: cutting a femoral neck, and taking out the head of the femoral neck; secondly, a cavity in the shape of a femoral stem is filed on the femur by using a intramedullary cavity file; mounting a trial neck on the intramedullary cavity file; and fourthly, installing a sample ball head on the test neck, recovering the movement of the lower limbs of the human body, taking out the ball head and the test neck, replacing the ball head and the test neck with another specification, and repeatedly recovering the movement of the lower limbs until the movement is smooth. In the process of recovering the movement of the lower limbs of the human body, if the test neck length is found to be unsuitable, the bulb and the test neck are required to be taken down, the test neck with the other specification length is required to be replaced, the step is time-consuming and labor-consuming, and surrounding tissues are easy to damage. Removal is made more difficult if the patient is suffering from contracture of the soft tissues of the hip.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that after the femoral stem test mold is put into the hip joint for debugging, the femoral stem test mold of another specification is required to be put into after being taken out, or a prosthesis is directly put into the femoral stem test mold, and the extraction operation is time-consuming and labor-consuming and is easy to damage surrounding tissues, so that the femoral stem test mold convenient to extract is provided.
The invention provides a femoral stem test mold with an auxiliary dislocation function, which comprises a file and a front end structure detachably arranged at one end of the file, wherein the front end structure comprises a femoral neck and a femoral neck head; the method is characterized in that: the femur neck and the femur neck head are detachably connected through a connecting structure which is staggered and separated from the file in different axial directions.
As a preferred aspect, the connection structure includes:
an L-shaped structure disposed on the femoral neck;
the inverted L-shaped structure is arranged on the head of the femur neck and can be matched and buckled with the L-shaped structure;
the first through holes are at least one and are arranged on the L-shaped structure;
at least one threaded hole is formed in the inverted L-shaped structure and opposite to the first through hole;
and at least one bolt passes through the first through hole and is in threaded connection with the threaded hole, so that the femoral neck and the femoral neck head are fixedly connected.
As a preferred aspect, the connection structure includes:
an L-shaped structure disposed on the femoral neck;
the inverted L-shaped structure is arranged on the head of the femur neck and can be matched and buckled with the L-shaped structure;
the first through holes are at least one and are arranged on the L-shaped structure;
at least one second through hole is arranged on the inverted L-shaped structure and is opposite to the first through hole;
the bolt assembly comprises at least one group of bolts and nuts, and passes through the first through hole and the second through hole to be connected in a threaded manner, so that the femoral neck and the femoral neck head are fixedly connected.
As a preferable scheme, a cylindrical bulge and a square groove are arranged on one side of the femur neck facing the file; and the file is provided with a circular groove which can be matched and spliced with the cylindrical protrusion, and a square protrusion which can be matched and spliced with the square groove.
As a preferred aspect, the connection structure includes:
the L-shaped structure is arranged on the femur neck, and the included angle of the L-shaped structure is smaller than 90 degrees;
the inverted L-shaped structure is arranged on the head of the femoral neck and can be matched with the L-shaped structure to be buckled, and the included angle of the inverted L-shaped structure is smaller than 90 degrees;
the first through holes are at least one and are arranged on the L-shaped structure;
at least one threaded hole is formed in the inverted L-shaped structure and opposite to the first through hole;
and at least one bolt passes through the first through hole and is in threaded connection with the threaded hole, so that the femoral neck and the femoral neck head are fixedly connected.
As a preferred aspect, the connection structure includes:
the L-shaped structure is arranged on the femur neck, and the included angle of the L-shaped structure is smaller than 90 degrees;
the inverted L-shaped structure is arranged on the head of the femoral neck and can be matched with the L-shaped structure to be buckled, and the included angle of the inverted L-shaped structure is smaller than 90 degrees;
the first through holes are at least one and are arranged on the L-shaped structure;
at least one second through hole is arranged on the inverted L-shaped structure and is opposite to the first through hole;
the bolt assembly comprises at least one group of bolts and nuts, and passes through the first through hole and the second through hole to be connected in a threaded manner, so that the femoral neck and the femoral neck head are fixedly connected.
As a preferable scheme, a positioning tooth and a mounting hole are arranged on one side of the femur neck facing the file; and the file is provided with a positioning groove which can be matched and positioned with the positioning teeth and a mounting upright post which can be matched and spliced with the mounting hole.
As a preferable scheme, a side surface of the mounting upright post facing the positioning groove is provided with a side surface groove.
Preferably, the mounting hole penetrates through the bending position of the L-shaped structure from bottom to top.
Preferably, the mounting hole comprises a main body part penetrating through the L-shaped structure and a matching part on the inverted L-shaped structure matched and buckled with the L-shaped structure.
The technical scheme of the invention has the following advantages:
1. the invention relates to a femoral stem test die, which comprises a file and a front end structure detachably arranged at one end of the file, wherein the front end structure comprises a femoral neck and a femoral neck head, and the femoral neck head are detachably connected through a connecting structure which is staggered and separated from the file in different axial directions; in the prior art, the femoral neck and the head of the femoral neck are integrally arranged, when a femoral stem test die is required to be pulled out of a joint socket, the joint socket is required to be pulled away along the axial direction of a file, and at the moment, the pulling-away is very difficult due to the action of muscle ligaments; the femur neck and the femur neck head are detachably connected by adopting the special connecting structure, and when the femur neck test die is required to be pulled out, the femur neck and the femur neck head can be misplaced and separated only by releasing the connection between the femur neck and the femur neck head, and the femur neck test die does not need to be directly counteracted with muscle ligaments, so that the pulling out is labor-saving and rapid, and the muscle ligaments and the like are not easy to damage.
2. The connecting structure comprises the L-shaped structure, the inverted L-shaped structure and the bolt, when the connecting structure needs to be separated, the bolt is screwed out from the threaded hole and the first through hole, the L-shaped structure or the inverted L-shaped structure is pulled to the side surface, the L-shaped structure and the inverted L-shaped structure can be separated, and the whole femoral stem test can be separated conveniently after the connecting structure is separated; the threaded hole can be set as a second through hole, and the bolt is replaced by a bolt component, so that the same purpose can be achieved.
3. According to the femur stem test mold, the cylindrical bulge and the square groove are formed in one side, facing the file, of the femur neck, the circular groove which can be matched and spliced with the cylindrical bulge and the square bulge which can be matched and spliced with the square groove are formed in the file, and the femur neck and the file can be quickly positioned and connected through the structural design, and are convenient to detach and disassemble.
4. The femur stem test mold comprises an L-shaped structure, an inverted L-shaped structure and a bolt, wherein the included angles of the L-shaped structure and the inverted L-shaped structure are smaller than 90 degrees; the threaded hole can be set as a second through hole, and the bolt is replaced by a bolt component, so that the same purpose can be achieved.
5. According to the femur stem test mold, one side of the femur neck, which faces the file, is provided with the positioning teeth and the mounting holes, and the opposite side is provided with the positioning grooves which can be matched and positioned with the positioning teeth and the mounting columns which can be matched and spliced with the mounting holes.
6. According to the femur stem test mold, the side face of the mounting upright post facing the positioning groove is provided with the side face groove, and when the femoral bone marrow cavity is ground by the file, the upright post is connected with the operating handle of the bone marrow cavity file, and the side face groove is convenient for fastening the handle and the bone marrow cavity file.
7. The femur stem test mold has the advantages that the mounting hole penetrates through the bending position of the L-shaped structure from bottom to top, and the position is conveniently exposed during operation, so that a screwdriver can take out a bolt conveniently, and quick nondestructive dislocation is realized.
8. The femur stem test mold provided by the invention has the advantages that the mounting hole comprises a main body part penetrating through the L-shaped structure and a matching part on the inverted L-shaped structure, which is matched and buckled with the L-shaped structure, and the femur stem test mold has the advantages that: the L-shaped structure is matched with the inverted L-shaped structure, and the femur neck can be stably fixed by being connected and fixed by the combined bolts, so that the large shaking is avoided in the process of testing the test model prosthesis, and the testing effect is not influenced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below.
FIG. 1 is an overall block diagram of a femoral stem trial of the present invention.
Fig. 2 is an exploded structural view of fig. 1.
Fig. 3 is a perspective view of the rasp of fig. 1.
Fig. 4 is a perspective view of the femoral neck of fig. 1.
Fig. 5 is another perspective view of fig. 4.
Fig. 6 is a perspective view of the femoral neck head of fig. 1
Fig. 7 is a perspective view of the rasp of embodiment 2.
Fig. 8 is a perspective view of the femoral neck in example 2.
Fig. 9 is another perspective view of fig. 8.
Fig. 10 is a perspective view of the femoral neck head in example 2.
Fig. 11 is another perspective view of fig. 10.
Reference numerals: 1. a file; 11. a circular groove; 12. square protrusions; 13. a positioning groove; 14. installing an upright post; 15. a side groove; 2. a femoral neck; 21. a circular protrusion; 22. square grooves; 23. positioning teeth; 24. a mounting hole; 241. a main body portion; 242. a mating portion; 3. a femoral neck head; 4. an L-shaped structure; 5. an inverted L-shaped structure; 6. a first through hole; 7. a threaded hole; 8. and (5) a bolt.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the attached drawings.
Example 1
The embodiment provides a femoral stem test mold with an auxiliary dislocation function, which comprises a file 1 and a front structure detachably arranged at one end of the file 1, wherein the front structure comprises a femoral neck 2 and a femoral neck head 3; the method is characterized in that: the femur neck 2 and the femur neck head 3 are detachably connected through a connecting structure which is staggered and separated from the file 1 in different axial directions.
The femur stem test mold of this embodiment adopts special connection structure to dismantle between femur neck 2 and femur neck head 3, when needs deviate from the femur stem test mold, only need to relieve the connection between femur neck 2 and femur neck head 3, can misplace separately, need not directly fight with the muscle ligament, consequently deviate from laborsaving, swift, and difficult damage muscle ligament.
Specifically, the connection structure includes: an L-shaped structure 4 arranged on the femoral neck 2; the inverted L-shaped structure 5 is arranged on the femur neck head 3 and can be matched and buckled with the L-shaped structure 4; at least one first through hole 6 is arranged on the L-shaped structure 4; at least one threaded hole 7 is formed in the inverted-L-shaped structure 5, opposite to the first through hole 6; at least one bolt 8 is threaded with the threaded hole 7 after passing through the first through hole 6, so as to fixedly connect the femoral neck 2 and the femoral neck head 3.
The connecting structure of the embodiment comprises an L-shaped structure 4, an inverted L-shaped structure 5 and a bolt 8, when the femoral stem test mold is required to be separated, the bolt 8 is screwed out from the threaded hole 7 and the first through hole 6, the L-shaped structure 4 or the inverted L-shaped structure 5 is pulled to the side, the L-shaped structure 4 or the inverted L-shaped structure 5 can be separated, and after the L-shaped structure is separated, the whole femoral stem test mold can be separated conveniently.
As a variant, the connection structure may further comprise: an L-shaped structure 4 arranged on the femoral neck 2; the inverted L-shaped structure 5 is arranged on the femur neck head 3 and can be matched and buckled with the L-shaped structure 4; at least one first through hole 6 is arranged on the L-shaped structure 4; at least one second through hole is arranged on the inverted L-shaped structure 5 and is opposite to the first through hole 6; the bolt assembly comprises at least one group of bolts and nuts, and passes through the first through hole 6 and the second through hole and is then screwed so as to fixedly connect the femoral neck 2 and the femoral neck head 3; substantially the same technical effects can be achieved.
As shown in fig. 4 to 5, the side of the femoral neck 2 facing the rasp 1 is provided with a cylindrical projection 21 and a square recess 22; in contrast, as shown in fig. 3, the rasp 1 is provided with a circular groove 11 which can be fitted and inserted with the cylindrical projection 21, and a square projection 12 which can be fitted and inserted with the square groove 22. The structure design can realize the quick positioning connection of the femur neck 2 and the file 1, and is convenient to detach and dismantle.
Example 2
The embodiment provides a femoral stem test mold with an auxiliary dislocation function, which is different in a connecting structure, and in the embodiment, the connecting structure comprises: the L-shaped structure 4 is arranged on the femur neck 2, and the included angle of the L-shaped structure 4 is smaller than 90 degrees; the inverted L-shaped structure 5 is arranged on the femoral neck head 3 and can be matched with the L-shaped structure 4 to be buckled, and the included angle of the inverted L-shaped structure 5 is smaller than 90 degrees; at least one first through hole 6 is arranged on the L-shaped structure 4; at least one threaded hole 7 is formed in the inverted-L-shaped structure 5, opposite to the first through hole 6; at least one bolt 8 is threaded with the threaded hole 7 after passing through the first through hole 6, so as to fixedly connect the femoral neck 2 and the femoral neck head 3. After the bolt 8 is screwed off, the matching of the L-shaped structure 4 and the inverted L-shaped structure 5 still can be kept stable, the self-slipping can be avoided, and the muscle and ligament can be prevented from being injured by mistake.
In this embodiment, the included angle of the L-shaped structure 4 is 80 °, the included angle of the inverted L-shaped structure is 80 °, and those skilled in the art may select other suitable angles within the range of 0-90 ° according to actual needs.
As a variant, the connecting structure comprises: the L-shaped structure 4 is arranged on the femur neck 2, and the included angle of the L-shaped structure 4 is smaller than 90 degrees; the inverted L-shaped structure 5 is arranged on the femoral neck head 3 and can be matched with the L-shaped structure 4 to be buckled, and the included angle of the inverted L-shaped structure 5 is smaller than 90 degrees; at least one first through hole 6 is arranged on the L-shaped structure 4; at least one second through hole is arranged on the inverted L-shaped structure 5 and is opposite to the first through hole 6; the bolt assembly comprises at least one group of bolts and nuts, and passes through the first through hole 6 and the second through hole and is then screwed so as to fixedly connect the femoral neck 2 and the femoral neck head 3; substantially the same technical effects can be achieved.
As shown in fig. 8 to 9, the side of the femoral neck 2 facing the rasp 1 is provided with positioning teeth 23 and mounting holes 24; in contrast, as shown in fig. 7, the rasp 1 is provided with a positioning groove 13 which can be positioned in cooperation with the positioning teeth 23, and a mounting upright 14 which can be inserted in cooperation with the mounting hole 24. The structure design can realize the quick positioning connection of the femoral neck 2 and the file 1, and is convenient to detach, wherein the positioning teeth 23 and the positioning grooves 13 are designed, so that the quick matching connection is more convenient.
As shown in fig. 7, a side surface of the mounting post 14 facing the positioning groove 13 is provided with a side surface groove 15. When the rasp is used for grinding the femoral medullary cavity, the upright post is connected with the operating handle of the medullary cavity rasp, and the side surface grooves are convenient for fastening the handle and the medullary cavity rasp.
The mounting hole 24 penetrates through the bending position of the L-shaped structure 4 from bottom to top. The mounting hole 24 includes a main body portion 241 penetrating the L-shaped structure 4 and a mating portion 242 on the inverted L-shaped structure 5 for mating and buckling with the L-shaped structure 4. The screw driver has the advantages that the screw driver is convenient to expose when operated in operation, so that the screw driver is favorable for taking out the screw bolt, and quick nondestructive dislocation is realized.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. The femoral stem test mold with the auxiliary dislocation function comprises a file (1) and a front end structure which is detachably arranged at one end of the file (1), wherein the front end structure comprises a femoral neck (2) and a femoral neck head (3); the method is characterized in that: the femur neck (2) and the femur neck head (3) are detachably connected through a connecting structure which is staggered and separated from the file (1) in different axial directions;
the connection structure includes:
an L-shaped structure (4) arranged on the femoral neck (2);
the inverted L-shaped structure (5) is arranged on the femur neck head (3) and can be matched and buckled with the L-shaped structure (4);
at least one first through hole (6) is arranged on the L-shaped structure (4);
at least one threaded hole (7) is formed in the inverted L-shaped structure (5) and is opposite to the first through hole (6);
at least one bolt (8) passes through the first through hole (6) and is in threaded connection with the threaded hole (7), so that the femoral neck (2) and the femoral neck head (3) are fixedly connected;
the included angle of the L-shaped structure (4) is 80 degrees, and the included angle of the inverted L-shaped structure (5) is 80 degrees.
2. The femoral stem trial of claim 1, wherein: a cylindrical bulge (21) and a square groove (22) are arranged on one side of the femur neck (2) facing the file (1); and in contrast, the file (1) is provided with a circular groove (11) which can be matched and spliced with the cylindrical bulge (21) and a square bulge (12) which can be matched and spliced with the square groove (22).
3. The femoral stem trial of claim 1, wherein: a positioning tooth (23) and a mounting hole (24) are arranged on one side of the femur neck (2) facing the file (1); and correspondingly, the file (1) is provided with a positioning groove (13) which can be matched and positioned with the positioning teeth (23), and a mounting upright post (14) which can be matched and spliced with the mounting hole (24).
4. A femoral stem trial as defined in claim 3, wherein: a side surface groove (15) is formed in one side surface of the mounting upright post (14) facing the positioning groove (13).
5. The femoral stem trial of claim 4, wherein: the mounting hole (24) penetrates through the bending position of the L-shaped structure (4) from bottom to top.
6. The femoral stem trial of claim 5, wherein: the mounting hole (24) comprises a main body part (241) penetrating the L-shaped structure (4) and a matching part (242) on the inverted L-shaped structure (5) matched and buckled with the L-shaped structure (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481746.1A CN110115646B (en) | 2019-06-04 | 2019-06-04 | Femoral stem test mold with auxiliary dislocation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481746.1A CN110115646B (en) | 2019-06-04 | 2019-06-04 | Femoral stem test mold with auxiliary dislocation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110115646A CN110115646A (en) | 2019-08-13 |
| CN110115646B true CN110115646B (en) | 2023-11-14 |
Family
ID=67523790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481746.1A Active CN110115646B (en) | 2019-06-04 | 2019-06-04 | Femoral stem test mold with auxiliary dislocation function |
Country Status (1)
| Country | Link |
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| CN (1) | CN110115646B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100407A (en) * | 1990-09-04 | 1992-03-31 | Pfizer Hospital Products Group, Inc. | Modular trial hip replacement system |
| US5860982A (en) * | 1997-03-26 | 1999-01-19 | Johnson & Johnson Professional, Inc. | Cemented calcar replacement varying height trial |
| FR2963733A1 (en) * | 2010-08-16 | 2012-02-17 | Advanced Technical Fabrication | Prosthetic femoral stem and removable prosthetic cervix assembly, has gripper including connection units for fixing connection units on proximal gripping end of temporary insert in which proximal end exceeds out of cavity to fix gripper |
| JP2013094331A (en) * | 2011-10-31 | 2013-05-20 | Kyocera Medical Corp | Surgical instrument for hip replacement arthroplasty |
| CN107550605A (en) * | 2017-08-15 | 2018-01-09 | 北京爱康宜诚医疗器材有限公司 | Femoral prosthesis |
| WO2019034769A1 (en) * | 2017-08-18 | 2019-02-21 | Depuy Ireland Unlimited Company | Adjustable trial neck |
| WO2019068428A1 (en) * | 2017-10-03 | 2019-04-11 | Depuy Ireland Unlimited Company | Trial neck apparatus and method |
| CN210697906U (en) * | 2019-06-04 | 2020-06-09 | 山东大学齐鲁医院(青岛) | Femoral stem test mold with auxiliary dislocation function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003249625A1 (en) * | 2002-05-09 | 2003-11-11 | Hayes Medical, Inc. | System for trial implantation of a femoral hip prosthesis |
| US6977000B2 (en) * | 2003-06-30 | 2005-12-20 | Depuy Products, Inc. | Modular trial neck segment |
| GB0716403D0 (en) * | 2007-08-22 | 2007-10-03 | Benoist Girard Sas | Trial prosthetic neck component |
| US9089441B2 (en) * | 2012-05-30 | 2015-07-28 | Depuy (Ireland) | Trial instrument assembly for use in a surgical procedure |
-
2019
- 2019-06-04 CN CN201910481746.1A patent/CN110115646B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100407A (en) * | 1990-09-04 | 1992-03-31 | Pfizer Hospital Products Group, Inc. | Modular trial hip replacement system |
| US5860982A (en) * | 1997-03-26 | 1999-01-19 | Johnson & Johnson Professional, Inc. | Cemented calcar replacement varying height trial |
| FR2963733A1 (en) * | 2010-08-16 | 2012-02-17 | Advanced Technical Fabrication | Prosthetic femoral stem and removable prosthetic cervix assembly, has gripper including connection units for fixing connection units on proximal gripping end of temporary insert in which proximal end exceeds out of cavity to fix gripper |
| JP2013094331A (en) * | 2011-10-31 | 2013-05-20 | Kyocera Medical Corp | Surgical instrument for hip replacement arthroplasty |
| CN107550605A (en) * | 2017-08-15 | 2018-01-09 | 北京爱康宜诚医疗器材有限公司 | Femoral prosthesis |
| WO2019034769A1 (en) * | 2017-08-18 | 2019-02-21 | Depuy Ireland Unlimited Company | Adjustable trial neck |
| WO2019068428A1 (en) * | 2017-10-03 | 2019-04-11 | Depuy Ireland Unlimited Company | Trial neck apparatus and method |
| CN210697906U (en) * | 2019-06-04 | 2020-06-09 | 山东大学齐鲁医院(青岛) | Femoral stem test mold with auxiliary dislocation function |
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| Publication number | Publication date |
|---|---|
| CN110115646A (en) | 2019-08-13 |
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