CN203829095U - Proximal femur prosthesis - Google Patents
Proximal femur prosthesis Download PDFInfo
- Publication number
- CN203829095U CN203829095U CN201420266570.0U CN201420266570U CN203829095U CN 203829095 U CN203829095 U CN 203829095U CN 201420266570 U CN201420266570 U CN 201420266570U CN 203829095 U CN203829095 U CN 203829095U
- Authority
- CN
- China
- Prior art keywords
- femoral prosthesis
- near end
- extension rod
- broach
- prosthese
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000000689 upper leg Anatomy 0.000 title abstract description 11
- 210000003041 ligament Anatomy 0.000 claims abstract description 4
- 210000001694 thigh bone Anatomy 0.000 claims description 49
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 210000004394 hip joint Anatomy 0.000 description 4
- 239000002639 bone cement Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000002924 anti-infective effect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 238000011540 hip replacement Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding 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
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a proximal femur prosthesis which comprises a proximal prosthesis, an extension rod and a broach. The proximal prosthesis, the extension rod and the broach are respectively provided with an inner cone and an outer cone, a limiting table and a limiting groove, wherein the inner cone and the outer cone are matched mutually, and the limiting table and the limiting groove are connected in a clamping mode. The proximal femur prosthesis is further provided with a ligament attachment hole and a suture hole. The proximal femur prosthesis cannot be separated easily and has the advantages of being high in use efficiency and not prone to sinking, loosening and rotating, so that the replacement times are reduced, and cost of patients is reduced.
Description
Technical field
This utility model relates to a kind of articular prosthesis, particularly a kind of near end of thighbone prosthese.
Background technology
Near end of thighbone tumor and greater trochanter fragility bone fracture disease exist for a long time always, and at present the generally acknowledged Therapeutic Method of orthopaedics is for carrying out near end of thighbone hip replacement surgery; At present, the alternative proximal femur hip joint of the near end of thighbone prosthese of appearance, for example CN101584614 discloses a kind of femur upper segment hip-joint prosthesis, and this prosthese has been realized the integration with femur, facilitates postoperative bone grafting and stitching and fixing; But this upper segment hip-joint prosthesis can not regulate the length of prosthese; In order to solve the problems of the technologies described above, CN202096312 provides a kind of femur proximal-end hip joint prosthesis, and this prosthese has added extension rod in the middle of near end of thighbone and broach; Extension rod adjustable in length in this hip prosthesis, has avoided welding risk, has simplified processing technique and preoperative time.But above-mentioned near end of thighbone prosthese also exists and between femoral prosthesis, extension rod and broach, coordinates unstablely, easily occurs loosening; And the fusion of broach, extension rod and femur is bad, easily there is the phenomenon in lower city, affect the service life of near end of thighbone prosthese, improve turnover rate, improve patient's cost.
Utility model content
In order to solve the problems of the technologies described above, this utility model provides a kind of near end of thighbone prosthese, and this near end of thighbone prosthese and femur have good biocompatibility, and turnover rate is low, and cost is low.
The concrete technical scheme of this utility model is as follows:
This utility model provides a kind of near end of thighbone prosthese, and this near end of thighbone prosthese comprises femoral prosthesis, extension rod and broach, and wherein, femoral prosthesis top is provided with cervical region, and cervical region is provided with femoral head;
Described femoral prosthesis top and cervical region relative position are provided with and the integrated upwards tuberosity of protuberance of femoral prosthesis; Described tuberosity is provided with ligament attachment hole;
The top of described femoral prosthesis also has instrumentation hole, and described instrumentation hole is between cervical region and tuberosity;
The bottom of described femoral prosthesis has the first inner cone extending to femoral prosthesis top;
On the abnormal curved surface of described femoral prosthesis near top and cervical region homonymy, have sewing hole;
The lower end side of described femoral prosthesis is provided with the first symmetrical flank, between described the first flank, forms the first stopper slot;
Described extension rod top is provided with the first outer cone, and described the first outer cone matches with the first inner cone;
Described extension rod upper side is provided with the first limiting stand, described the first limiting stand and the first stopper slot clamping;
Described extension rod bottom has the second inner cone extending to extension rod top;
The lower end side of described extension rod is provided with the second symmetrical flank, between described the second flank, forms the second stopper slot;
Described broach top is provided with round platform, and described round platform top is provided with the second outer cone, and described the second outer cone matches with the second inner cone;
Described round platform upper side is provided with the second limiting stand, described the second limiting stand and the second stopper slot clamping.
Further improve, the angle of the axle center of described cervical region and femoral prosthesis axis is 135 °.
In order to prevent that near end of thighbone prosthese broach, not in the central authorities of pulp cavity, is also provided with middle-device in described broach bottom; Described broach bottom is provided with screwed hole, and described middle-device is provided with the external screw thread matching with screwed hole.
In order to increase anti-the revolving property of broach after bone cement is fixing, described broach is provided with the semi-circular grooves of longitudinal extension.
In order can better to fix with bone cement, prevent rotation, in described groove, be provided with and adhere to aperture.
In order further to increase the adhesion of femoral prosthesis, extension rod and broach, prevent their separation and sinking, described femoral prosthesis is also provided with the first screw, and described the first flank and the first limiting stand are provided with the first screw matching with the first screw; Described extension rod is also provided with the second screw, and described the second flank and the second limiting stand are provided with the second screw matching with the second screw.
In order to improve the bone of the near end of thighbone prosthetic surface ability of growing into, be sprayed with titanium coating on described femoral prosthesis surface.
Further improve, the symmetrical two sides, front and back of described femoral prosthesis are provided with outstanding longitudinal ridge.Described longitudinal ridge the stability and the anti-verticity that have improved prosthese be set, and further improve and the fusion of near end of thighbone prosthese.
Further improve the fusion of extension rod and femur, improve the anti-infection ability of near end of thighbone prosthese, described extension rod surface uniform distribution aperture, the bone cement with slow releasing pharmaceutical, the generation of protecting from infection can be conveniently adhered in the setting of described aperture
This is novel provides a kind of near end of thighbone prosthese, and this prosthese is provided with extension rod, and its length can suitably regulate, and has simplified processing technique; On femoral prosthesis, extension rod and the broach of described near end of thighbone prosthese, added respectively technical characterictic longitudinal ridge, the structures such as aperture, have improved stability and the anti-verticity of prosthese, make near end of thighbone prosthese have the characteristic of good anti-sinking simultaneously; Simultaneously between femoral prosthesis, extension rod and broach, all add screw, made between them not easily separatedly, improved overall service efficiency, improved the service life of near end of thighbone prosthese, reduced replacing number of times, reduced patient's cost.
Brief description of the drawings
Fig. 1 is the structural representation of the near end of thighbone prosthese of embodiment 1;
Fig. 2 is the structural representation of the femoral prosthesis of embodiment 1;
Fig. 3 is the structural representation of the extension rod of embodiment 1;
Fig. 4 is the structural representation of the broach of embodiment 1;
Fig. 5 is the top view of the near end of thighbone prosthese of embodiment 1;
Fig. 6 is that the A-A of Fig. 2 is to profile;
Fig. 7 is that the B-B of Fig. 3 is to profile;
Fig. 8 is the structural representation of the near end of thighbone prosthese of embodiment 2;
Fig. 9 is the structural representation of the broach of embodiment 2;
Figure 10 is the structural representation of the middle-device of embodiment 2;
Figure 11 is that the C-C of Fig. 9 is to profile;
Figure 12 is the structural representation of the near end of thighbone prosthese of embodiment 3;
Figure 13 is the structural representation of the near end of thighbone prosthese of embodiment 4;
Figure 14 is the structural representation of the near end of thighbone prosthese of embodiment 5.
Detailed description of the invention
Embodiment 1
This utility model provides a kind of near end of thighbone prosthese, as shown in Fig. 1-Fig. 7, this near end of thighbone prosthese comprises femoral prosthesis 1, extension rod 2 and broach 3, wherein, described femoral prosthesis 1 top is provided with cervical region 4, and the angle of the axle center of this cervical region 4 and femoral prosthesis 1 axis is 135 °; On cervical region 4, be provided with femoral head 5;
Femoral prosthesis 1 top and cervical region 4 relative positions are provided with and the integrated upwards tuberosity 11 of protuberance of femoral prosthesis 1; This tuberosity 11 is provided with 3 ligament attachment hole 12;
The top of femoral prosthesis 1 also has instrumentation hole 13, and this instrumentation hole 13 is between cervical region 4 and tuberosity 11;
The bottom of femoral prosthesis 1 has the first inner cone 14 extending to femoral prosthesis 1 top;
On the abnormal curved surface of femoral prosthesis 1 near top and cervical region 4 homonymies, have 3 sewing holes 15;
The lower end side of femoral prosthesis 1 is provided with 16 of the first symmetrical flank 16, the first flanks and forms the first stopper slot 17;
Described extension rod 2 tops are provided with the first outer cone 21, the first outer cones 21 and match with the first inner cone 14;
Extension rod 2 upper side are provided with the first limiting stand 22, the first limiting stands 22 and the first stopper slot 17 clampings;
Extension rod 2 bottoms have the second inner cone 23 extending to extension rod 2 tops;
The lower end side of extension rod 2 is provided with 24 of the second symmetrical flank 24, the second flanks and forms the second stopper slot 25;
Described broach 3 tops are provided with round platform 31, and round platform 31 tops are provided with the second outer cone 32, and described the second outer cone 32 matches with the second inner cone 23;
Described round platform 31 upper side are provided with the second limiting stand 33, described the second limiting stand 33 and the second stopper slot 25 clampings;
Described broach 3 is also provided with the semi-circular grooves 34 of longitudinal extension; Described femoral prosthesis 1 surface is sprayed with titanium coating (not marking in figure).
Embodiment 2
This utility model provides a kind of near end of thighbone prosthese, and as shown in Fig. 8-Figure 11, as different from Example 1, described broach 3 bottoms are also provided with middle-device 6 to this near end of thighbone prosthese; Described broach 3 bottoms are provided with screwed hole 61, and described middle-device 6 is provided with the external screw thread 62 matching with screwed hole 61.
Embodiment 3
This utility model provides a kind of near end of thighbone prosthese, and as shown in figure 12, this near end of thighbone prosthese as different from Example 1, is provided with and adheres to aperture 35 in described groove 34.
Embodiment 4
This utility model provides a kind of near end of thighbone prosthese, as shown in figure 13, as different from Example 3, described femoral prosthesis 1 is also provided with the first screw 8 to this near end of thighbone prosthese, and described the first flank 16 and the first limiting stand 22 are provided with the first screw matching with the first screw 8; Described extension rod 2 is also provided with the second screw 9, and described the second flank 24 and the second limiting stand 33 are provided with the second screw matching with the second screw 9.
Embodiment 5
This utility model provides a kind of near end of thighbone prosthese, and as shown in figure 14, as different from Example 4, described broach 3 bottoms are also provided with middle-device 6 to this near end of thighbone prosthese; Described broach 3 bottoms are provided with screwed hole 61, and described middle-device 6 is provided with the external screw thread 62 matching with screwed hole 61; The symmetrical two sides, front and back of described femoral prosthesis 1 are provided with outstanding longitudinal ridge 18; The outer surface of described extension rod 2 is provided with aperture 26.
This is novel provides a kind of near end of thighbone prosthese, and this prosthese is provided with extension rod, and its length can suitably regulate, and has simplified processing technique; On femoral prosthesis, extension rod and the broach of described near end of thighbone prosthese, added respectively technical characterictic longitudinal ridge, the structures such as aperture, have improved stability and the anti-verticity of prosthese, make near end of thighbone prosthese have the characteristic of good anti-sinking simultaneously; Simultaneously between femoral prosthesis, extension rod and broach, all add screw, made between them not easily separatedly, improved overall service efficiency, improved the service life of near end of thighbone prosthese, reduced replacing number of times, reduced patient's cost.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of this utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (9)
1. a near end of thighbone prosthese, comprises femoral prosthesis (1), extension rod (2) and broach (3), it is characterized in that,
Described femoral prosthesis (1) top is provided with cervical region (4), and described cervical region (4) is provided with femoral head (5);
Described femoral prosthesis (1) top and cervical region (4) relative position are provided with and the integrated upwards tuberosity (11) of protuberance of femoral prosthesis (1); Described tuberosity (11) is provided with ligament attachment hole (12);
The top of described femoral prosthesis (1) also has instrumentation hole (13), and described instrumentation hole (13) is positioned between cervical region (4) and tuberosity (11);
The bottom of described femoral prosthesis (1) has the first inner cone (14) extending to femoral prosthesis (1) top;
On the abnormal curved surface of described femoral prosthesis (1) near top and cervical region (4) homonymy, have sewing hole (15);
The lower end side of described femoral prosthesis (1) is provided with symmetrical the first flank (16), forms the first stopper slot (17) between described the first flank (16);
Described extension rod (2) top is provided with the first outer cone (21), and described the first outer cone (21) matches with the first inner cone (14);
Described extension rod (2) upper side is provided with the first limiting stand (22), described the first limiting stand (22) and the first stopper slot (17) clamping;
Described extension rod (2) bottom has the second inner cone (23) extending to extension rod (2) top;
The lower end side of described extension rod (2) is provided with symmetrical the second flank (24), forms the second stopper slot (25) between described the second flank (24);
Described broach (3) top is provided with round platform (31), and described round platform (31) top is provided with the second outer cone (32), and described the second outer cone (32) matches with the second inner cone (23);
Described round platform (31) upper side is provided with the second limiting stand (33), described the second limiting stand (33) and the second stopper slot (25) clamping.
2. near end of thighbone prosthese as claimed in claim 1, is characterized in that, the angle of the axle center of described cervical region (4) and femoral prosthesis (1) axis is 135 °.
3. near end of thighbone prosthese as claimed in claim 1, is characterized in that, described broach (3) bottom is also provided with middle-device (6); Described broach (3) bottom is provided with screwed hole (61), and described middle-device (6) is provided with the external screw thread (62) matching with screwed hole (61).
4. near end of thighbone prosthese as claimed in claim 1, is characterized in that, described broach (3) is provided with the semi-circular grooves (34) of longitudinal extension.
5. near end of thighbone prosthese as claimed in claim 1, is characterized in that, is provided with and adheres to aperture (35) in described groove (34).
6. near end of thighbone prosthese as claimed in claim 1, it is characterized in that, described femoral prosthesis (1) is also provided with the first screw (8), and described the first flank (16) and the first outer cone (21) are provided with the first screw (71) matching with the first screw (8); Described extension rod (2) is also provided with the second screw (9), and described the second flank (24) and the second outer cone (32) are provided with the second screw (82) matching with the second screw (9).
7. near end of thighbone prosthese as claimed in claim 1, is characterized in that, described femoral prosthesis (1) surface is sprayed with titanium coating.
8. near end of thighbone prosthese as claimed in claim 1, is characterized in that, the symmetrical two sides, front and back of described femoral prosthesis (1) are provided with outstanding longitudinal ridge (18).
9. near end of thighbone prosthese as claimed in claim 1, is characterized in that, the outer surface of described extension rod (2) is provided with aperture (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266570.0U CN203829095U (en) | 2014-05-23 | 2014-05-23 | Proximal femur prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266570.0U CN203829095U (en) | 2014-05-23 | 2014-05-23 | Proximal femur prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829095U true CN203829095U (en) | 2014-09-17 |
Family
ID=51506995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420266570.0U Expired - Lifetime CN203829095U (en) | 2014-05-23 | 2014-05-23 | Proximal femur prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203829095U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264798A (en) * | 2015-05-22 | 2017-01-04 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of femur intertrochanteric fracture hip prosthesis system |
| CN108210047A (en) * | 2018-03-27 | 2018-06-29 | 孙立山 | Fractured near end of thighbone Medullary fixation device |
| CN111150524A (en) * | 2019-11-22 | 2020-05-15 | 西安交通大学 | Artificial femoral stem prosthesis for tuberosity fracture and installation method |
| CN113425464A (en) * | 2021-05-11 | 2021-09-24 | 上海市第一人民医院 | Joint prosthesis |
-
2014
- 2014-05-23 CN CN201420266570.0U patent/CN203829095U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264798A (en) * | 2015-05-22 | 2017-01-04 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of femur intertrochanteric fracture hip prosthesis system |
| CN106264798B (en) * | 2015-05-22 | 2017-10-27 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of femur intertrochanteric fracture hip prosthesis system |
| CN108210047A (en) * | 2018-03-27 | 2018-06-29 | 孙立山 | Fractured near end of thighbone Medullary fixation device |
| CN111150524A (en) * | 2019-11-22 | 2020-05-15 | 西安交通大学 | Artificial femoral stem prosthesis for tuberosity fracture and installation method |
| CN113425464A (en) * | 2021-05-11 | 2021-09-24 | 上海市第一人民医院 | Joint prosthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |