CN2860408Y - Connector of tumour artificial joint - Google Patents
Connector of tumour artificial joint Download PDFInfo
- Publication number
- CN2860408Y CN2860408Y CN 200520142744 CN200520142744U CN2860408Y CN 2860408 Y CN2860408 Y CN 2860408Y CN 200520142744 CN200520142744 CN 200520142744 CN 200520142744 U CN200520142744 U CN 200520142744U CN 2860408 Y CN2860408 Y CN 2860408Y
- Authority
- CN
- China
- Prior art keywords
- joint
- connecting axle
- tumor
- femur
- artificial joint
- 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 - Fee Related
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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
- A61F2/38—Joints for elbows or knees
-
- 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)
- Physical Education & Sports Medicine (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 discloses a combination device for tumor artificial joint, including a two arc salient to form femurs coalescing unit of a female; a hole is respectively on two side walls of the female and an internal dent is respectively at outer side of each protruding part; a linkage unit connected with femurs coalescing unit and the coalescing unit includes a backing and a centrally holed connection shaft, the backing has a extension part in the middle of the female and two side edges of the connection shaft are respectively actively connected in the hole at two sides of the female; and an end surface with canon born coalescing unit of shaft pole. The shaft pole is actively connected in the central hole of the connection shaft. Therefore, for changing artificial joint, remove the least bones to install the artificial joint and the invention has stability and fixture effects after being installed.
Description
Technical field
This utility model relates to a kind of coupling apparatus of tumor artificial joint, refers to that especially a kind of bone that can excise minimum area can reach the installation of artificial joint, and the coupling apparatus of the tumor artificial joint of secure effect can be arranged after assembling.
Background technology
General tumor artificial joint such as Fig. 4, shown in Figure 5, this joint includes a femur in order to the binding femur at least and saves the 6 and one tibia joint 7 in order to the communication tibia, this femur joint 6 and this tibia joint 7 with one in conjunction with pin 8 be coupling in conjunction with and can rotate with the place of being coupling, the place of being coupling is provided with axle bush 61,62, and should can only save an end of 6 from femur in conjunction with pin 8 enters and be coupling this femur joint 6 and tibia joint 7, and in this can the axle bush 61 for the end that enters in conjunction with pin 8, closely button intrinsic limits this and makes its irremovable block holder 81 in conjunction with pin 8, these block holder 81 outer rims have bulge loop 82 and a plurality of lug 83, and these axle bush 61 inwalls have corresponding with it annular groove 63 and a plurality of with axially extended guide channel 64, lug 83 positions of this block holder 81 when bulge loop 82 buckles into groove 63 are rotatable free state, live axle bush 61 inwalls and can rotate overhead kick; So that should make it to produce displacement in conjunction with pin 8 with femur joint 6 and the 7 firm combinations of tibia joint.
Though above-mentioned known tumor artificial joint, can make this femur joint 6 and tibia joint 7 is firm in conjunction with not producing displacement in conjunction with pin 8, but because the femur of this tumor artificial joint joint 6 and patient's femur is when combining, the healthcare givers must be with patient's femur mass excision, so that this patient's femur can meet the shape of femur joint 6, be convenient to the combination of the two, but after patient's femur mass excision, more not firm when not only implanting with femur joint 6, and concerning the patient, bone originally can't keep more, takes place and easily cause postoperative to restore relatively poor phenomenon; So known tumor artificial joint and required when can't be realistic using.
The utility model content
The technical problems to be solved in the utility model is: the coupling apparatus that a kind of tumor artificial joint is provided, to solve above-mentioned disappearance, when this prosthetic replacement, the bone that is excised minimum area can reach the installation of artificial joint, and the effect of secure can be arranged after assembling.
Technical solution of the present utility model is: a kind of coupling apparatus of tumor artificial joint, and between the femur and tibia that are incorporated into human body, it includes:
One femur joint unit has two arc protuberances on this femur joint unit, form a depressed part between two protuberances, and two sidewalls of this depressed part have one respectively and connect the hole, and each protuberance outside has an inner fovea part respectively;
One linkage unit, this linkage unit is connected with above-mentioned femur joint unit, and this linkage unit includes the connecting axle that a liner and has central perforation, this liner has an extension that is arranged in the depressed part, and two lateral margins of this connecting axle are movable respectively is engaged in the connecing in the hole of depressed part two sides; And
One tibia joint unit, an end face of this tibia joint unit has an axostylus axostyle, and this axostylus axostyle activity is incorporated in the central perforation of above-mentioned connecting axle.
The coupling apparatus of aforesaid tumor artificial joint wherein, has the cancave cambered surface of accepting two arc protuberances respectively on this liner one side corresponding with described femur joint unit.
The coupling apparatus of aforesaid tumor artificial joint, wherein, have on this liner one corresponding with the depressed part of femur joint unit and with the movable fastening hole that engages of an end of described connecting axle.
The coupling apparatus of aforesaid tumor artificial joint, wherein, an end of this connecting axle has and the movable fitting portion that engages of described liner.
The coupling apparatus of aforesaid tumor artificial joint wherein, is provided with an axle sleeve in the perforation of this connecting axle.
The coupling apparatus of aforesaid tumor artificial joint, wherein, this connecting axle has the spherical surface that itself and femur joint unit are rotated.
The coupling apparatus of aforesaid tumor artificial joint, wherein, the perforation of this connecting axle can rotate with the axostylus axostyle of tibia joint unit.
The coupling apparatus of aforesaid tumor artificial joint, wherein, the perforation of this connecting axle can be done translational motion ground with the axostylus axostyle of tibia joint unit and be provided with, and two arc protuberances of described femur joint unit contact setting with the cancave cambered surface of described liner.
The coupling apparatus of aforesaid tumor artificial joint, wherein, this connecting axle has a planar ends, and the extension of this liner and this planar ends are fitted and are done relative rotary motion with restriction liner and connecting axle.
Characteristics of the present utility model and advantage are: the coupling apparatus of tumor artificial joint of the present utility model, include one and have two arc protuberances to form the femur joint unit of a depressed part, and two sidewalls of this depressed part have one respectively and connect the hole, and have an inner fovea part respectively in each protuberance outside; One linkage unit that is connected with the femur joint unit, this linkage unit comprises that a liner and has the connecting axle of central perforation, and this liner has an extension that is arranged in the depressed part, and two lateral margins of this connecting axle are movable respectively is engaged in the connecing in the hole of depressed part two sides; And one end face have the tibia joint unit of axostylus axostyle, in this axostylus axostyle activity central perforation in conjunction with connecting axle.Thus, can be when this prosthetic replacement, the bone that is excised minimum area can reach the installation of artificial joint, and the effect of secure can be arranged after assembling.
Description of drawings
Fig. 1 is a three-dimensional appearance sketch map of the present utility model.
Fig. 2 is a perspective exploded view of the present utility model.
Fig. 3 is a user mode sketch map of the present utility model.
Fig. 4 is the three-dimensional appearance sketch map of known configurations.
Fig. 5 is the perspective exploded view of known configurations.
The drawing reference numeral explanation:
(this utility model part)
Femur joint unit 1 protuberance 11
Connect hole 111 depressed parts 12
Cancave cambered surface 212 fastening holes 213
Connecting axle 22 perforation 221
Axle sleeve 222 fitting portions 223
Tibia joint unit 3 axostylus axostyles 31
Tibia 5
(known part)
Femur saves 6 axle bushes 61,62
Groove 63 guide channels 64
Tibia joint 7 is in conjunction with pin 8
Block holder 81 bulge loops 82
Lug 83
The specific embodiment
See also Figure 1 and Figure 2, be respectively three-dimensional appearance sketch map of the present utility model and perspective exploded view of the present utility model.As shown in the figure: the coupling apparatus of tumor artificial joint of the present utility model, it is made of a femur joint unit 1, a linkage unit 2 and a tibia joint unit 3, can be when this prosthetic replacement, the bone that is excised minimum area can reach the installation of artificial joint, and the effect of secure can be arranged after assembling.
Have two arc protuberances 11 on the above-mentioned femur joint unit of carrying 1, so as to forming a depressed part 12 11 of two protuberances, and two sidewalls of this depressed part 12 have one respectively and connect hole 111, and each protuberance 11 outside has an inner fovea part 13 respectively.
This linkage unit 2 is connected with above-mentioned femur joint unit 1, and including a liner 21 and, this linkage unit 2 has the connecting axle 22 that central perforation 221 can be provided with an axle sleeve 222, this liner 21 has an extension 211 that is arranged in the depressed part 12, and has the cancave cambered surface 212 of accepting two arc protuberances 11 respectively on the corresponding one side of this liner 21 and femur joint unit 1, so that two arc protuberances 11 on this femur joint unit 1 can start on the cancave cambered surface 212 of this liner 21, have on this liner 21 one corresponding with the depressed part 12 of femur joint unit 1 and with the movable fastening holes 213 that engage of an end of connecting axle 22, be engaged in the connecing in the hole 111 of depressed part 12 2 sides and two lateral margins of this connecting axle 22 are movable respectively, and an end of this connecting axle 22 has and the liner 21 movable fitting portions 223 that engage, and this connecting axle 22 has spherical surface, itself and femur joint unit 1 are rotated, this connecting axle 22 has a planar ends, makes the extension 211 of this liner 21 and this planar ends applying do relative rotary motion with restriction liner 21 with connecting axle 22.
The end face of this tibia joint unit 3 has an axostylus axostyle 31, and these axostylus axostyle 31 activities are incorporated in the axle sleeve 222 of above-mentioned connecting axle 22 central perforations 221, and the perforation 221 of this connecting axle 22 can rotate with the axostylus axostyle 31 of tibia joint unit 3, the perforation 221 of this connecting axle 22 can be done translational motion with the axostylus axostyle 31 of tibia joint unit 3 in addition, and two arc protuberances 11 of femur joint unit 1 are contacted with the cancave cambered surface 212 of liner 21.In this way, constitute the coupling apparatus of a brand-new tumor artificial joint by above-mentioned structure.
See also shown in Figure 3ly, be user mode sketch map of the present utility model.As shown in the figure: when utilization, be that femur 4 ends in the patient cut out two side inner fovea parts, 13 corresponding shape with femur joint unit 1, and femur joint unit 1 is affixed with patient's femur 4 ends, again patient's tibia 5 ends are cut out a plane afterwards, make this tibia joint unit 3 affixed with patient's tibia 5 ends, and when tibia 5 and tibia joint unit 3 are affixed, the another side of this tibia joint unit 3 can be provided with the extension rod 32 of pegging graft with tibia 5, so, can be when this prosthetic replacement, the femur 4 that is excised minimum area can reach the installation of artificial joint with tibia 5, and the effect of secure can be arranged after assembling.
In sum, the coupling apparatus of the utility model tumour joint prosthesis can effectively improve known all lacking Point can be when this prosthetic replacement, and the bone that is excised minimum area can reach the peace of joint prosthesis Dress, and after assembling, the effect of firmly fixing can be arranged, so make generation of the present utility model can be more progressive, More practical, more meet the required of user.
Claims (9)
1. the coupling apparatus of a tumor artificial joint between the femur and tibia that are incorporated into human body, is characterized in that, includes:
One femur joint unit has two arc protuberances on this femur joint unit, form a depressed part between two protuberances, and two sidewalls of this depressed part have one respectively and connect the hole, and each protuberance outside has an inner fovea part respectively;
One linkage unit, this linkage unit is connected with above-mentioned femur joint unit, and this linkage unit includes the connecting axle that a liner and has central perforation, this liner has an extension that is arranged in the depressed part, and two lateral margins of this connecting axle are movable respectively is engaged in the connecing in the hole of depressed part two sides; And
One tibia joint unit, an end face of this tibia joint unit has an axostylus axostyle, and this axostylus axostyle activity is incorporated in the central perforation of above-mentioned connecting axle.
2. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, has the cancave cambered surface of accepting two arc protuberances respectively on this liner one side corresponding with described femur joint unit.
3. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, have on this liner one corresponding with the depressed part of femur joint unit and with the movable fastening hole that engages of an end of described connecting axle.
4. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, an end of this connecting axle has and the movable fitting portion that engages of described liner.
5. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, is provided with an axle sleeve in the perforation of this connecting axle.
6. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, this connecting axle has the spherical surface that itself and femur joint unit are rotated.
7. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, is arranged in the perforation of this connecting axle to the rotatable motion of axostylus axostyle of described tibia joint unit.
8. the coupling apparatus of tumor artificial joint as claimed in claim 1, it is characterized in that, but be arranged in the perforation of this connecting axle to the axostylus axostyle translational motion of described tibia joint unit, two arc protuberances of described femur joint unit contact setting with the cancave cambered surface of described liner.
9. the coupling apparatus of tumor artificial joint as claimed in claim 1 is characterized in that, this connecting axle has a planar ends, and the extension of this liner and this planar ends are fitted and be provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142744 CN2860408Y (en) | 2005-12-12 | 2005-12-12 | Connector of tumour artificial joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142744 CN2860408Y (en) | 2005-12-12 | 2005-12-12 | Connector of tumour artificial joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2860408Y true CN2860408Y (en) | 2007-01-24 |
Family
ID=37658036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520142744 Expired - Fee Related CN2860408Y (en) | 2005-12-12 | 2005-12-12 | Connector of tumour artificial joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2860408Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105246432A (en) * | 2013-05-30 | 2016-01-13 | 优罗斯公司 | Improvement to total knee prostheses and method for the assembly thereof |
-
2005
- 2005-12-12 CN CN 200520142744 patent/CN2860408Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105246432A (en) * | 2013-05-30 | 2016-01-13 | 优罗斯公司 | Improvement to total knee prostheses and method for the assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |