CN101708139B - Ball-and-socket type wrist joint prosthesis device - Google Patents
Ball-and-socket type wrist joint prosthesis device Download PDFInfo
- Publication number
- CN101708139B CN101708139B CN 200910069050 CN200910069050A CN101708139B CN 101708139 B CN101708139 B CN 101708139B CN 200910069050 CN200910069050 CN 200910069050 CN 200910069050 A CN200910069050 A CN 200910069050A CN 101708139 B CN101708139 B CN 101708139B
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- handle
- carpal joint
- location
- plate
- bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4261—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for wrists
-
- 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
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- 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)
- Surgical Instruments (AREA)
Abstract
The invention relates to a rolling and sliding device capable of replacing partial movement function of the human body wrist joint, in particular to a ball-and-socket type wrist joint prosthesis device. The device comprises a wrist joint handle and a slider which is connected and fixed through positioning pins and bone screws of a positioning plate on the metacarpal bone and can be matched with the wrist joint handle in rolling and sliding manner. The positioning plate which is assembled in the body is fixed with the metacarpal bone through the positioning pins and the bone screws, the slider is fixed with the metacarpal bone through the positioning plate; the concave position of partial spherical surface on the upper end of the wrist joint handle can support the convex position of the partial non-spherical surface at the bottom of the slider to contact partially, thus realizing the rolling and sliding matching to complete the physiological activity of the wrist joint. The bone screws can be fixed within +/- 10 degrees to the axial line of the screw hole of the positioning plate, and different gaskets are arranged on the wrist joint handle in the device of the invention in order to solve the problem that the length of the radius reserve parts is different due to the necessary osteotomy.
Description
Technical field
This invention relates to a kind of moving device---carpal joint prosthetic appliance of ball and socket shaped formula of skid of alternative human body carpal joint componental movement function, hereinafter referred " carpal joint prosthetic appliance ".The recovery that the carpal bone movable function that is used for causing owing to reasons such as damage, tumors loses, the motor pattern at reproduction carpal joint position.This apparatus features is in the scope of the both direction limit of carpal joint motion, to be freely, and this device can adapt to the bone that cuts of different length, bends to accomplish carpal joint, stretches oar tilt, ulnar drift.
Background technology
The common source of disease that causes the loss of carpal joint motor function is by damage, and reasons such as tumor cause.Through surgery operating technology damage location is recovered.But because some case (like tumor) will be to part (or all) carpal joint excision.So the carpal motor function of human body will part (or all) forfeiture.
Summary of the invention
For solving the problem that exists in the above-mentioned technology, the present invention provides a kind of carpal joint prosthetic appliance in order to solve the problem of losing owing to the wrist movable function that causes after part (or all) carpal joint excision.
Be the realization above-mentioned purpose, a kind of carpal joint prosthetic appliance provided by the invention, this device is made up of with being connected with bone screw and being fixed in metacarpal bone and can doing skid slide block movingly with the carpal joint handle through the location nail of location-plate the carpal joint handle.
With a hook at the end handle body and do not remain with the form of handle body of carpal joint handle in this device; The carpal joint handle that remains with the handle body need be selected packing ring, and the handle body is the anatomical shape of approximate defective bone, remains with the non-cylindrical that has breach that is shaped as that the handle of the carpal joint handle of handle body does, and is used to prevent that the carpal joint handle from rotating after implantation and fall back; It is columniform that the handle that does not remain with the carpal joint handle of handle body is done right and wrong, and its axis is non-directional.But the sliding tray that is which kind of its far-end of carpal joint handle all is the spill of spherical calotte.
Wherein: with the near-end of the contacted slide block of concave spherical surface of joint handle far-end sliding tray be the aspheric convex of part; Therefore move through the skid of the aspheric convex of the part of slide block near-end in the spill of the spherical calotte of the sliding tray of carpal joint handle far-end when the assembling back and accomplish that carpal joint is bent, stretched, the activity of oar tilt, ulnar drift, limit in the wrong is about 45 degree, stretch limit be about 45 degree, oar tilt limit be about 30 spend, the ulnar drift limit is about 30 and spends.The slide block far-end is for to have the spill that cooperates with the location-plate overall dimensions, thereby can location-plate be pressed in the spill of slide block far-end.
Wherein: the center fixed of the location-plate that links to each other with slide block have one with the vertical location of location-plate nail, location-plate is as a whole with location nail combination like this, accomplishes location-plate and locatees through locate nail insertion metacarpal bone.The screw hole of location-plate is that part is spherical, and the head of a nail lower surface of bone screw be spherical, and this can make screw hole axis that bone screw can the relative localization plate scope of ± 10 degree is interior approximately location-plate is fixed in metacarpal bone.
Give the carpal joint handle for this device of difference that solves the radius reserve part length that causes owing to section bone necessary in the operation and disposed the packing ring of different size.
After being fixed in metacarpal bone, location nail and the bone screw of the slide block of the carpal joint prosthetic appliance after being installed in the body through location-plate can in above-mentioned limitation of motion, slide with respect to the carpal joint handle under the effect of wrist muscle towards all directions.
Effect of the present invention is to realize the carpal motor function of human body through this device, (bend, stretch, oar tilt, ulnar drift) and be about 45 degree in limit in the wrong, be about 45 degree, be about 30 degree in oar tilt limit, be about 30 in the ulnar drift limit and spend stretching limit.
Description of drawings
Fig. 1 is the carpal joint prosthetic appliance front view that remains with the carpal joint handle of handle body and selected packing ring;
Fig. 2 is the carpal joint prosthetic appliance right view that remains with the carpal joint handle of handle body and selected packing ring;
Fig. 3 is the carpal joint prosthetic appliance front view that does not remain with the carpal joint handle of handle body;
Fig. 4 is the carpal joint prosthetic appliance right view that does not remain with the carpal joint handle of handle body;
Fig. 5 is the carpal joint handle front view that does not remain with the handle body;
Fig. 6 is the carpal joint handle right view that does not remain with the handle body;
Fig. 7 is the front view that remains with the carpal joint handle of handle body;
Fig. 8 is the right view that remains with the carpal joint handle of handle body;
Fig. 9 is the transverse section that location nail is fixed on the screw hole of front view and location-plate on the location-plate;
Figure 10 is that the location nail is fixed on the upward view on the location-plate;
Figure 11 is the transverse section of the front view and the slide block of slide block;
Figure 12 is the left view of slide block;
Among the figure: 1, carpal joint handle 2, slide block 3, location-plate 4, location nail 5, bone screw 6, packing ring
The specific embodiment:
In conjunction with accompanying drawing to the present invention---the structure of the carpal joint prosthetic appliance of ball and socket shaped formula is explained.It is characterized in that: this device is connected and is fixed in metacarpal bone and can does skid slide block 2 movingly with carpal joint handle 1 with bone screw 5 by packing ring 6, carpal joint handle 1 and location nail that can be through location-plate 34 and forms; These original papers are by the biocompatible materials manufacturing; Comprise titanium or titanium alloy, high score weight northylen, medical stainless steel, cochrome, medical pottery, the handle of carpal joint handle is done the surface and is scribbled biological coating.
Like accompanying drawing 1, application example shown in Figure 2 is the carpal joint prosthetic appliance that remains with the carpal joint handle 1 of handle body and selected packing ring 6; The handle body is the anatomical shape of approximate defective bone; Remain with the non-cylindrical that has breach that is shaped as that the handle of the carpal joint handle 1 of handle body does, be used to prevent that carpal joint handle 1 from rotating and fall back after implantation.Like accompanying drawing 3, application example shown in Figure 4 is the carpal joint prosthetic appliance that does not remain with the carpal joint handle 1 of handle body; It is columniform that the handle of carpal joint handle 1 is done right and wrong; And its axis is non-directional, but be which kind of carpal joint handle 1 like accompanying drawing 5---the sliding tray of its far-end shown in Figure 8 all is the spill of spherical calotte.
As accompanying drawing 9, shown in Figure 10 be center fixed at location-plate 3 have one with location-plate 3 vertical location nails 4; Location-plate 3 is as a whole with 4 combinations of location nail like this; The screw hole of location-plate 3 is that part is spherical shown in accompanying drawing 9; The head of a nail lower surface of bone screw 5 is spherical; And the radius of sphere for equating of the spherical head of a nail lower surface with bone screw 5 of the part of the screw hole of location-plate 3, this can make screw hole axis that bone screw 5 can relative localization plate 3 ± 10 scopes spent are interior approximately location-plate 3 is fixed in metacarpal bone.
Near-end like accompanying drawing 11, slide block shown in Figure 12 2 is the aspheric convex of part, and slide block 2 far-ends are for to have the spill that cooperates with location-plate 3 overall dimensions, thereby can location-plate 3 be pressed in the spill of slide block 2 far-ends.
With behind the above-mentioned unit construction under the effect of wrist muscular force the spill of the spherical calotte of the sliding tray of carpal joint handle 1 far-end can hold the aspheric convex of part of slide block 2 near-ends; The spill of the spherical calotte of the sliding tray of carpal joint handle 1 far-end produces partly with the aspheric convex of the part of slide block 2 near-ends and contacts like this; The moving motion of skid that can realize slide block 2 relative carpal joint handles 1 accomplishes that carpal joint is bent, stretched, the activity of oar tilt, ulnar drift, and limit in the wrong is about 45 degree, stretch limit is about that 45 degree, oar tilt limit are about 30 degree, the ulnar drift limit is about 30 degree.
Give carpal joint handle 1 for this device of difference that solves the radius reserve part length that causes owing to section bone necessary in the operation and disposed the packing ring 6 of different size.
The present invention realizes human body carpal joint (part) movable function is recovered like this:
They are assembled rear position plate 3 in vivo and fix with metacarpal bone with bone screw 5 through location nail 4; Slide block 2 is connected with metacarpal bone through location-plate 3 and is fixing; The spill of the spherical calotte of carpal joint handle 1 upper end can be held the aspheric convex of part of slide block 2 bottoms, and the aspheric convex of part of slide block 2 bottoms is contacted to realize skid movingly with the spill formation part of the spherical calotte of carpal joint handle 1 upper end.Slide block 2 can be about 45 degree, stretch limit and be about 45 degree, oar tilt limit and be about in the limitation of motion scope that 30 degree, ulnar drift limit are about 30 degree and slide towards all directions bending limit under the effect of wrist muscle like this; Operation is for ease installed; The screw hole of location-plate 3 is that part is spherical; The head of a nail lower surface of bone screw 5 is spherical; This just can make bone screw 5 location-plate and metacarpal bone fixed in the scope that the screw hole axis about ± 10 of relative localization plate 3 is spent; In order to solve the packing ring 6 of having disposed different size for the carpal joint handle owing to necessary this device of difference that cuts the radius reserve part length that bone causes in the operation, solve through this invention that recovery wrist movable function is effective under the damaged condition of carpal bone.
Claims (1)
1. the carpal joint prosthetic appliance of a ball and socket shaped formula is characterized in that:
This device is by packing ring (6), carpal joint handle (1) and can be connected and be fixed in metacarpal bone through the location nail (4) of location-plate (3) with bone screw (5) and also can do skid slide block (2) movingly with carpal joint handle (1) and form; These elements comprise titanium or titanium alloy, high score weight northylen, medical stainless steel, cochrome, medical pottery by the biocompatible materials manufacturing, and the handle of carpal joint handle is done the surface and scribbled biological coating; With a hook at the end handle body and do not remain with the form of handle body of carpal joint handle (1); The carpal joint handle (1) that remains with the handle body needs to select packing ring (6); The handle body is the anatomical shape of approximate defective bone; Remain with the non-cylindrical that has breach that is shaped as that the handle of the carpal joint handle (1) of handle body does; Be used to prevent that carpal joint handle (1) from rotating and fall back after implantation; Not remaining with the handle of carpal joint handle (1) of carpal joint prosthetic appliance of carpal joint handle (1) of handle body dried is non-column type, and its axis is non-directional, but is that the sliding tray of which kind of its far-end of carpal joint handle (1) all is the spill of spherical calotte; Center fixed at location-plate (3) has one and the vertical location nail of location-plate (3) (4); Location-plate (3) is as a whole with location nail (4) combination like this; The screw hole of location-plate (3) is that part is spherical; The head of a nail lower surface of bone screw (5) is spherical; And the radius of sphere for equating of the spherical head of a nail lower surface with bone screw (5) of the part of the screw hole of location-plate (3), this can make screw hole axis that bone screw (5) can relative localization plate (3) ± 10 scopes spent are interior approximately location-plate (3) is fixed in metacarpal bone; The near-end of slide block (2) is the aspheric convex of part, and slide block (2) far-end is for to have the spill that cooperates with location-plate (3) overall dimensions, thereby can location-plate (3) be pressed in the spill of slide block (2) far-end; With behind the above-mentioned unit construction under the effect of wrist muscular force the spill of the spherical calotte of the sliding tray of carpal joint handle (1) far-end can hold the aspheric convex of part of slide block (2) near-end; The spill of the spherical calotte of the sliding tray of carpal joint handle (1) far-end produces partly with the aspheric convex of the part of slide block (2) near-end and contacts like this; Can realize slide block (2) relatively the moving motion of skid of carpal joint handle (1) accomplish that carpal joint is bent, stretched, the activity of oar tilt, ulnar drift, limit in the wrong is about 45 degree, stretch limit is about that 45 degree, oar tilt limit are about 30 degree, the ulnar drift limit is about 30 degree; Give carpal joint handle (1) for this device of difference that solves the radius reserve part length that causes owing to section bone necessary in the operation and disposed the packing ring (6) of different size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910069050 CN101708139B (en) | 2009-05-31 | 2009-05-31 | Ball-and-socket type wrist joint prosthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910069050 CN101708139B (en) | 2009-05-31 | 2009-05-31 | Ball-and-socket type wrist joint prosthesis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101708139A CN101708139A (en) | 2010-05-19 |
| CN101708139B true CN101708139B (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910069050 Active CN101708139B (en) | 2009-05-31 | 2009-05-31 | Ball-and-socket type wrist joint prosthesis device |
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| Country | Link |
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| CN (1) | CN101708139B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078621A (en) * | 2015-09-21 | 2015-11-25 | 徐永清 | Nickel-titanium alloy artificial total-wrist joint prosthesis with intramedullary barb |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445888B (en) * | 2013-09-11 | 2015-04-01 | 徐永清 | Externally clamping fixed high-functionality artificial wrist joint prosthesis device |
| CN104605963A (en) * | 2015-02-10 | 2015-05-13 | 北京市春立正达医疗器械股份有限公司 | Wrist joint prosthesis |
| CN104720938A (en) * | 2015-04-09 | 2015-06-24 | 徐永清 | Artificial total wrist joint prosthesis made of nickel-titanium memory metal |
| CN105434085A (en) * | 2016-01-11 | 2016-03-30 | 王金成 | 3D printed individualized customized full wrist joint and manufacturing method thereof |
| CN106691634B (en) * | 2016-11-18 | 2018-05-15 | 徐永清 | A kind of wrist joint prosthese with titanium alloy lockplate |
| CN112137773B (en) * | 2019-06-28 | 2023-02-28 | 青岛大学附属医院 | Artificial scaphoid for driving in inverted tooth type ball socket joint |
| CN110623776A (en) * | 2019-10-15 | 2019-12-31 | 北京爱康宜诚医疗器材有限公司 | Wrist joint prosthesis |
| CN110693630A (en) * | 2019-10-22 | 2020-01-17 | 北京爱康宜诚医疗器材有限公司 | Wrist joint prosthesis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4936854A (en) * | 1988-12-22 | 1990-06-26 | Swanson Alfred B | Semi-constrained wrist implant |
| GB2269752A (en) * | 1992-08-17 | 1994-02-23 | Homer Charles House | Anatomic wrist |
| US5702470A (en) * | 1996-02-23 | 1997-12-30 | Kinetikos Medical Incorporated | Prosthetic wrist implant and related method of implantation |
| CN1216456A (en) * | 1996-02-29 | 1999-05-12 | 阿米特·埃吉 | The anatomic replacement prosthesis system in the hand and wrist |
| WO2009055796A1 (en) * | 2007-10-25 | 2009-04-30 | Neil Duggal | Systems and methods for vertebral disc replacement |
-
2009
- 2009-05-31 CN CN 200910069050 patent/CN101708139B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4936854A (en) * | 1988-12-22 | 1990-06-26 | Swanson Alfred B | Semi-constrained wrist implant |
| GB2269752A (en) * | 1992-08-17 | 1994-02-23 | Homer Charles House | Anatomic wrist |
| US5702470A (en) * | 1996-02-23 | 1997-12-30 | Kinetikos Medical Incorporated | Prosthetic wrist implant and related method of implantation |
| CN1216456A (en) * | 1996-02-29 | 1999-05-12 | 阿米特·埃吉 | The anatomic replacement prosthesis system in the hand and wrist |
| WO2009055796A1 (en) * | 2007-10-25 | 2009-04-30 | Neil Duggal | Systems and methods for vertebral disc replacement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078621A (en) * | 2015-09-21 | 2015-11-25 | 徐永清 | Nickel-titanium alloy artificial total-wrist joint prosthesis with intramedullary barb |
| CN105078621B (en) * | 2015-09-21 | 2017-03-01 | 徐永清 | A kind of Nitinol with agnail in marrow manually full carpal joint prosthese |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101708139A (en) | 2010-05-19 |
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