CN109199650A - A kind of tumorous type knee-joint prosthesis - Google Patents
A kind of tumorous type knee-joint prosthesis Download PDFInfo
- Publication number
- CN109199650A CN109199650A CN201811176265.1A CN201811176265A CN109199650A CN 109199650 A CN109199650 A CN 109199650A CN 201811176265 A CN201811176265 A CN 201811176265A CN 109199650 A CN109199650 A CN 109199650A
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- CN
- China
- Prior art keywords
- shin
- groove
- joint prosthesis
- hole
- type knee
- 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.)
- Granted
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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
- A61F2/3859—Femoral components
-
- 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
- A61F2/389—Tibial components
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30471—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements connected by a hinged linkage mechanism, e.g. of the single-bar or multi-bar linkage type
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30518—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
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 invention discloses a kind of tumorous type knee-joint prosthesis, comprising: shin section, femur portion, shin bone liner and prolonging handle are attached between femur portion and shin bone liner by hinge, and the rotary motion centered on hinge is done in femur portion on shin bone liner.It is connected between shin bone liner and shin section by the third protrusion of shin bone liner lower section and the third groove of shin section.Pass through taper connection between prolonging handle and femoral component or tibial component and be interference fitted and is attached.The case where public affairs of the invention will lock securely between prolonging handle and femur portion or shin section, avoid the occurrence of connector stress deformation, fracture.It is another object of the present invention to prolonging handle and femur portion or shin section once locking, will not relative motion between generation part or wear debris generate, avoid bone from dissolving.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of tumorous type knee-joint prosthesis.
Background technique
Prosthese, medically referred to as dummy are the medical instruments of a kind of substitution some limbs of human body, organ-tissue.People
Fraud body is because of the substitute when causes of disease such as arthritis are impaired, is a kind of manikin, main component has titanium and cochrome
The special materials such as equal specialty metals, and ceramics, high molecular material, after artificial prosthesis is transplanted on human body, never allow to produce
Raw side effect and corrosion, it is desirable that there is high-strength durable, be a kind of high-tech accurate medical product.
Tumorous type knee-joint prosthesis is made of the prolonging handle of joint part and insertion pulp cavity.Traditional tumorous type knee joint is false
Pin is added to fix using taper connection between the joint part and prolonging handle of body.Simple taper connection be easy to cause prolonging handle with
It axially dislocates between joint part.
If adding pin to fix at taper connection position, in the case where tumorous type knee-joint prosthesis is by axial load, meeting
Shearing force is generated to pin, pin can be bent by long-term shearing force, deform even fracture.Pin with prolong
Relative motion between long handle and joint part will cause the abrasion of prosthese, and wear debris easily causes bone to dissolve.Taper connection adds
The structure of pin locking is higher to the dimension precision requirement of prolonging handle and joint part hole location, if hole location is not accurate enough, is easy
It causes the loosening of prolonging handle or can not be assembled with joint part.
Summary of the invention
The present invention is to solve current technology shortcoming, a kind of tumorous type knee-joint prosthesis is provided, by prolonging handle
The case where being locked securely between femur portion or shin section, avoiding the occurrence of connector stress deformation, fracture.
It, will not be opposite between generation part it is another object of the present invention to prolonging handle and femur portion or shin section once locking
Movement or wear debris generate, and bone is avoided to dissolve.
A kind of technical solution provided by the invention are as follows: tumorous type knee-joint prosthesis, comprising:
Femur portion；
Shin section, one end and the one end in femur portion are hinged；
Two fixing grooves are co-axially located at the other end of the shin section and the femur portion, the fixing groove respectively
Bottom is provided with cone tank, and the radius of the cone tank is gradually increased along opening to bottom direction；
Prolonging handle, one end have conehead, and in the fixing groove, the conehead is hollow structure for the conehead matching,
And there is opening, the opening is provided with baffle valve；
The prolonging handle further include:
Jackscrew is co-axially located in the conehead, and one end, against the baffle valve, the other end has threaded hole, and
And there is internal screw thread in the threaded hole；
Accommodating chamber is co-axially located in the prolonging handle, is connected to the conehead inside；The accommodating chamber side is opposite
It is provided with first through hole and the first groove；
First bevel gear is co-axially located in the accommodating chamber, and center is equipped with first axle, the first axle outer wall tool
There is external screw thread, and matches in the threaded hole；
Second bevel gear, ratcheting with the first bevel gear, one end of the second bevel gear is provided centrally with second
Axis, second axis are horizontally installed in the accommodating chamber, and end matches in first groove；
First protrusion, is co-axially located at the bevel gear other end, is located in the first through hole, and described first convex
It rises and is provided centrally with rotation hole.
Preferably, it is preferred that
Two boss are oppositely arranged on the hinged end in the femur portion, have the second groove among the boss；
Two the second through-holes are arranged on the boss in the femur portion, are connected to second groove；
Shin bone liner, one side are connected the shin section, and other side centre of surface is provided with the second protrusion, and described the
Two protrusions are arranged in second groove, and second convex center is provided with third through-hole；
Hinge is arranged in second through-hole, passes through the third through-hole.
Preferably,
One end of the shin section is coaxially arranged with the second groove；
The one side of the shin bone liner is provided centrally with third protrusion；
Wherein, the third protrusion and second groove are interference fitted.
Preferably, further includes:
Fixed ring is arranged at the first through hole, fixed first protrusion.
Preferably,
Second raised both ends of the shin bone liner are symmetrical arranged half-moon groove；
The outer surface of the boss is circular arc, is matched in the half-moon groove.
Preferably,
The side surface of the shin section is provided with multiple sewing holes.
Preferably,
The shin bone liner is made of high molecular material.
Preferably,
The shin section and the femur portion are all made of alloy material.
It is of the present invention the utility model has the advantages that tumorous type knee-joint prosthesis provided by the invention, femur portion or shin section with prolong
Between long handle locking is completed by interference mode and taper fit, securely, there is no connector stress deformations, fracture for locking
Situation；Prolonging handle and femur portion or shin section once lock, will not relative motion between generation part, produced without wear debris
It is raw, it not will cause bone dissolution phenomena；It is attached between femur portion and shin bone liner by hinge, femur portion is on shin bone liner
The rotary motion centered on hinge is done, is moved more flexible.
Detailed description of the invention
Fig. 1 is the overall structure figure of tumorous type knee-joint prosthesis of the invention.
Fig. 2 is the shin section and femur portion junction structure chart of tumorous type knee-joint prosthesis of the invention.
Fig. 3 is to connect explosive view at femur portion of the invention and shin bone liner.
Fig. 4 is shin section internal structure chart of the invention.
Fig. 5 is shin section external structure of the invention.
Fig. 6 is the structure chart that shin bone of the invention pads.
Fig. 7 is the structure chart of prolonging handle of the invention.
Fig. 8 is shin section lateral plan of the invention.
Fig. 9 is second bevel gear structure chart of the invention.
Figure 10 is fixed ring structure chart of the invention.
Figure 11 is the sectional view of prolonging handle and shin section junction of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figs. 1-2, the present invention provides a kind of tumorous type knee-joint prosthesis, mainly include shin section 100, femur portion
200, the one end in shin bone liner 400 and prolonging handle 300, shin section 100 and femur portion 200 is hinged by shin bone liner 400.In shin
Osseous part 100 and the other end in femur portion 200 are coaxially fixed with prolonging handle 300 respectively.
As shown in figure 4, being introduced so that shin section 100 is with the connection relationship of prolonging handle 300 as an example.With shin section 100
The other end face is coaxially arranged with fixing groove 110, and cone tank 120, the radius edge of cone tank 120 is arranged in the bottom of fixing groove 110
Its opening to bottom is gradually increased, and lengthwise cross section is trapezoidal, and is at radius size minimum with 110 junction of fixing groove.
As shown in fig. 7,300 one end of prolonging handle has conehead 310,310 radius of conehead is gradually reduced (more past along extending direction
Both ends radius is smaller), and the matching of conehead 310 is in fixing groove 110.Conehead 310 is hollow structure, and has opening, is opened
Mouth is located at outer end (one end of prolonging handle 300), and baffle valve 311 is provided on the conehead 310 of opening, and baffle valve 311 is equal
It is even to be looped around opening, shelter from opening.Jackscrew 312 is coaxially disposed inside conehead 310,312 one end of jackscrew is against baffle valve
311, the other end has threaded hole.Conehead 310 and baffle valve 311 are that machining is integrally formed, extruding when 312 jackscrews move upwards
Baffle valve 311 is flared out 311 stress deformation of baffle valve, to make extension rod axial restraint.
Accommodating chamber 320 is co-axially located in prolonging handle 300, is connected to the inside of conehead 310.In the side of accommodating chamber 320
It is relatively set with first through hole 321 and the first groove 322.Fixed ring 325 is provided at first through hole 321, structure is as schemed
Shown in 10.First bevel gear 323 is coaxially arranged in accommodating chamber 320, the center of rising is fixed with first axle 324,324 appearance of first axle
Face is provided with external screw thread, and matches in threaded hole, matches with the internal screw thread being arranged in threaded hole, constitutes screw structure.The
Two bevel gears 326 and first bevel gear 323 are ratcheting, as shown in figure 9, the center of second bevel gear 326 is fixed with the second axis 327,
Its side for extending in second bevel gear 326, and be horizontally installed in accommodating chamber 320, the other end is matched in the first groove 322
It is interior.The center other side of second bevel gear 326 is provided with the first protrusion 328, the first protrusion 328 is fixed by fixed ring 325,
And it is provided with rotation hole 329 at the first raised 328 centers, rotation hole 329 is hexagon ring, can be inserted into rotation hole by screwdriver
329 rotation second bevel gears 326, drive first bevel gear 323 to rotate, first bevel gear 323 drives jackscrew 321 to spin upwards
Rotation squeezes conehead 310, extends the extrusion deformation of baffle valve 311 around, is interference fitted and locks with shin section 100.
As shown in figs. 3 and 8, the hinged end tool in femur portion 200 is arc there are two boss 210, the outer surface profile of boss 210
Face structure has the second groove 220 between two boss 210, and the second through-hole 211, connection second are provided on boss 210
Groove 220.
It is illustrated in figure 6 the structure of shin bone liner 400, two sides center is respectively arranged with the second raised 410 third protrusions
430.Second raised 410 sides are provided with third through-hole 411, and third protrusion 410 matches in the second groove 220, and second is logical
Hole 211 is connected to third through-hole 411, and is internally provided with rotatable hinge 230, and 230 both ends of hinge extend to outside, and both ends
It is provided with sleeve 231.As shown in figure 5, being provided with third groove 130, third protrusion at the hinged end end face center of shin section 100
430 be vertebral body structure, is matched in early third groove 130, and be interference fit.
Half-moon groove 420 is symmetrical arranged at the second raised 410 both ends of shin bone liner 400；The outer surface of boss 210 is circle
Arc matches in the half-moon groove 420.In the rotation of 200 around hinge of femur portion, boss 210 rotates in half-moon groove 420.
Equally, in the connection knot of the junction structure of femur portion 200 and prolonging handle 300 and shin section 100 and prolonging handle 300
Structure is identical, and working principle is identical.
As shown in figure 5, being provided with multiple sewing holes 140 in the outer surface in femur portion 100, can be used for suturing soft tissue.Stock
100 femur portion 200 of osseous part and prolonging handle 300 are all made of alloy material and are made, and shin bone liner 400 is made of high molecular material.
In the present invention, it is attached between femur portion and shin bone liner by hinge, femur portion is done on shin bone liner
Rotary motion centered on hinge.Pass through the third protrusion and shin section of shin bone liner lower section between shin bone liner and shin section
Third groove connection.As shown in figure 11, matched between prolonging handle and femoral component or tibial component by taper connection and interference
Conjunction is attached.Screwdriver is inserted into six side's rotation holes of second bevel gear, second bevel gear is rotated, second bevel gear drives
First bevel gear rotation, first bevel gear drive jackscrew to do upward screw, and jackscrew can be to prolonging during moving upwards
The conehead of long handle is squeezed, and conehead is deformed and expands around, is formed with the bellmouth in femur portion or shin section
It is full of cooperation.Locking is completed by interference mode and taper fit between femur portion or shin section and prolonging handle.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of tumorous type knee-joint prosthesis characterized by comprising
Femur portion；
Shin section, one end and the one end in the femur portion are hinged；
Two fixing grooves are co-axially located at the other end of the shin section and the femur portion, the fixing groove bottom respectively
It is provided with cone tank, and the radius of the cone tank is gradually increased along opening to bottom direction；
Prolonging handle, one end have conehead, and in the fixing groove, the conehead is hollow structure for the conehead matching, and
With opening, the opening is provided with baffle valve；
The prolonging handle further include:
Jackscrew is co-axially located in the conehead, and one end, against the baffle valve, the other end has threaded hole, and institute
Stating has internal screw thread in threaded hole；
Accommodating chamber is co-axially located in the prolonging handle, is connected to the conehead inside；The accommodating chamber side is oppositely arranged
There are first through hole and the first groove；
First bevel gear is co-axially located in the accommodating chamber, and center is equipped with first axle, and the first axle outer wall has outer
Screw thread, and match in the threaded hole；
Second bevel gear, ratcheting with the first bevel gear, one end of the second bevel gear is provided centrally with the second axis, institute
It states the second axis to be horizontally installed in the accommodating chamber, end matches in first groove；
First protrusion, is co-axially located at the bevel gear other end, is located in the first through hole, and in first protrusion
The heart is provided with rotation hole.
2. tumorous type knee-joint prosthesis according to claim 1, which is characterized in that further include:
Two boss are oppositely arranged on the hinged end in the femur portion, have the second groove among the boss；
Two the second through-holes are arranged on the boss in the femur portion, are connected to second groove；
Shin bone liner, one side are connected the shin section, and other side centre of surface is provided with the second protrusion, and described second convex
It rises and is arranged in second groove, second convex center is provided with third through-hole；
Hinge is arranged in second through-hole, passes through the third through-hole.
3. tumorous type knee-joint prosthesis according to claim 2, which is characterized in that
One end of the shin section is coaxially arranged with the second groove；
The one side of the shin bone liner is provided centrally with third protrusion；
Wherein, the third protrusion and second groove are interference fitted.
4. tumorous type knee-joint prosthesis according to claim 3, which is characterized in that further include: fixed ring is arranged in institute
It states at first through hole, fixed first protrusion.
5. tumorous type knee-joint prosthesis according to claim 4, which is characterized in that
Second raised both ends of the shin bone liner are symmetrical arranged half-moon groove；
The outer surface of the boss is circular arc, is matched in the half-moon groove.
6. tumorous type knee-joint prosthesis according to claim 1, which is characterized in that
The side surface of the shin section is provided with multiple sewing holes.
7. tumorous type knee-joint prosthesis according to claim 1, which is characterized in that
The rotation hole is hexagonal hole.
8. tumorous type knee-joint prosthesis according to claim 2, which is characterized in that
The hinge both ends are provided with sleeve.
9. tumorous type knee-joint prosthesis according to claim 8, which is characterized in that
The shin bone liner is made of high molecular material.
10. tumorous type knee-joint prosthesis according to claim 8, which is characterized in that
The shin section and the femur portion are all made of alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176265.1A CN109199650B (en) | 2018-10-10 | 2018-10-10 | Tumor type knee joint prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176265.1A CN109199650B (en) | 2018-10-10 | 2018-10-10 | Tumor type knee joint prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109199650A true CN109199650A (en) | 2019-01-15 |
| CN109199650B CN109199650B (en) | 2020-06-09 |
Family
ID=64983061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811176265.1A Active CN109199650B (en) | 2018-10-10 | 2018-10-10 | Tumor type knee joint prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109199650B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3840469A1 (en) * | 1988-12-01 | 1990-06-07 | Lieke Michael | Anchorage components for endoprostheses |
| US5413605A (en) * | 1992-01-21 | 1995-05-09 | Howmedica International, Inc. | Tibial element for a replacement knee prosthesis |
| US5489311A (en) * | 1994-01-21 | 1996-02-06 | Joint Medical Products Corporation | Prosthesis with orientable bearing surface |
| CN201264048Y (en) * | 2008-09-25 | 2009-07-01 | 洛阳轴研科技股份有限公司 | Crown cage turned pocket simple mould |
| CN201474826U (en) * | 2009-06-24 | 2010-05-19 | 浙江双富电力设备有限公司 | Guide vane and guide vane lever self-expansion quick-detaching pin device |
| CN202468640U (en) * | 2011-12-30 | 2012-10-03 | 东莞地龙纸业有限公司 | Self-locking check bolt |
| CN206167123U (en) * | 2016-07-28 | 2017-05-17 | 北京力达康科技有限公司 | Keep nodal section type that closes matched stack formula thighbone tumour knee joint prosthesis |
| US20170189010A1 (en) * | 2011-10-04 | 2017-07-06 | Conmed Corporation | Dual expansion anchor |
-
2018
- 2018-10-10 CN CN201811176265.1A patent/CN109199650B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3840469A1 (en) * | 1988-12-01 | 1990-06-07 | Lieke Michael | Anchorage components for endoprostheses |
| US5413605A (en) * | 1992-01-21 | 1995-05-09 | Howmedica International, Inc. | Tibial element for a replacement knee prosthesis |
| US5489311A (en) * | 1994-01-21 | 1996-02-06 | Joint Medical Products Corporation | Prosthesis with orientable bearing surface |
| CN201264048Y (en) * | 2008-09-25 | 2009-07-01 | 洛阳轴研科技股份有限公司 | Crown cage turned pocket simple mould |
| CN201474826U (en) * | 2009-06-24 | 2010-05-19 | 浙江双富电力设备有限公司 | Guide vane and guide vane lever self-expansion quick-detaching pin device |
| US20170189010A1 (en) * | 2011-10-04 | 2017-07-06 | Conmed Corporation | Dual expansion anchor |
| CN202468640U (en) * | 2011-12-30 | 2012-10-03 | 东莞地龙纸业有限公司 | Self-locking check bolt |
| CN206167123U (en) * | 2016-07-28 | 2017-05-17 | 北京力达康科技有限公司 | Keep nodal section type that closes matched stack formula thighbone tumour knee joint prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109199650B (en) | 2020-06-09 |
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