CN107518963A - Full hip-joint prosthese - Google Patents
Full hip-joint prosthese Download PDFInfo
- Publication number
- CN107518963A CN107518963A CN201710736532.5A CN201710736532A CN107518963A CN 107518963 A CN107518963 A CN 107518963A CN 201710736532 A CN201710736532 A CN 201710736532A CN 107518963 A CN107518963 A CN 107518963A
- Authority
- CN
- China
- Prior art keywords
- connector
- acetabular
- opening portion
- full hip
- mounting hole
- 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
Links
- 210000004394 hip joint Anatomy 0.000 title claims abstract description 61
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 63
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 11
- 230000002980 postoperative effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 208000012659 Joint disease Diseases 0.000 description 4
- 210000001624 hip Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011541 total hip replacement 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
-
- 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
- A61F2/34—Acetabular cups
-
- 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
- A61F2002/30331—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
- A61F2002/30378—Spherically-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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30639—Features concerning the anatomical functioning or articulation of the prosthetic joint having rolling elements between both articulating surfaces
-
- 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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
- A61F2002/3065—Details of the ball-shaped head
-
- 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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
- A61F2002/30654—Details of the concave socket
-
- 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
- A61F2/34—Acetabular cups
- A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface
-
- 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
- A61F2/34—Acetabular cups
- A61F2002/348—Additional features
- A61F2002/3483—Additional features having a convex shape, e.g. hemispherical heads
Abstract
The invention provides a kind of full hip-joint prosthese, full hip-joint prosthese includes acetabular outer cup, the acetabular bone liner being arranged in acetabular outer cup and the bulb prosthese being arranged in acetabular bone liner, wherein, full hip-joint prosthese also includes:Connection member, connection member have the first connector and the second connector, and the first connector is rotationally connected with acetabular outer cup, and the second connector is rotationally connected with acetabular bone liner;Wherein, acetabular outer cup includes the first mounting hole, first connector has the first binding face for being used for fitting with the internal face of the first mounting hole, first binding face is at least part sphere of the first predetermined sphere, the internal face of first mounting hole is engaged with the first binding face, so that the first connector is movably disposed in the first mounting hole.Full hip-joint prosthese in the present invention solves the problems, such as that the bulb prosthese of full hip-joint prosthese of the prior art is easily deviate from out of liner prosthese.
Description
Technical field
The present invention relates to prosthetic arts, in particular to a kind of full hip-joint prosthese.
Background technology
Artificial hip joint replacing is one of current treatment hip joint disease effective means the most universal, and postoperative dislocation is normal
One of complication seen, especially patient activity's degree is larger, and in the case of using minor diameter bulb in art, bulb is easily from liner
Middle abjection, the means for solving anti-dislocation at present are that acetabular bone liner was optimized into radial design, and such bulb has been matched somebody with somebody with inside lining filling
Anti- dislocation being realized to a certain degree after, but there is the acetabular bone liner of anticreep bit function, its design principle is to pass through limit
The scope of activities of patient processed, realize the anti-dislocation of passive type.
Current anti-dislocation acetabular bone liner, have plenty of increases cylindrical flash on original standard hemispherical acetabular component,
Have plenty of and directly increase original standard hemispherical acetabular component edge, be designed to radius, both designs can be certain
The function of anti-dislocation is realized in degree, but premised on the postoperative scope of activities for sacrificing patient.
In addition, the abrasion of prosthese is always that abrasion can reduce the longevity of prosthese the problem of perplexing people after total hip replacement
Life.The abrasion of full hip-joint prosthese is primarily present in acetabular bone liner, particularly with the acetabular bone liner prosthese of plastic material, influences vacation
The factor of body abrasion has a lot, most importantly the contact area and pressure of bulb and liner, the contact area of bulb and liner
Bigger, abrasion is more serious, and many surgeons can have no alternative but select the ball of minor diameter to reduce the abrasion of postoperative prosthese
Head, but the bulb of minor diameter can cause higher displacement rate, and the scope of activities of minor diameter bulb also larger diameter bulb
It is small.
The content of the invention
It is false to solve full hip-joint of the prior art it is a primary object of the present invention to provide a kind of full hip-joint prosthese
The problem of bulb prosthese of body is easily deviate from out of liner prosthese.
To achieve these goals, the invention provides a kind of full hip-joint prosthese, including acetabular outer cup, it is arranged on acetabular bone
Acetabular bone liner in outer cup and the bulb prosthese being arranged in acetabular bone liner, wherein, full hip-joint prosthese also includes:Connecting portion
Part, connection member have the first connector and the second connector, and the first connector is rotationally connected with acetabular outer cup, and second connects
Junctor is rotationally connected with acetabular bone liner;Wherein, acetabular outer cup includes the first mounting hole, and the first connector, which has, to be used for and the
The first binding face that the internal face of one mounting hole fits, the first binding face are at least part sphere of the first predetermined sphere, the
The internal face of one mounting hole is engaged with the first binding face, so that the first connector is movably disposed in the first mounting hole.
Further, the first connector is the first segment structure, and the first binding face is corresponding with the first segment structure
First spherical crown surface.
Further, the first mounting hole has the first opening portion and the second opening portion being oppositely arranged, the first opening portion court
Set to the outside of acetabular outer cup, the second opening portion is set towards acetabular bone liner, and the part surface of the first connector is located at second
The outside of opening portion, the first connector are located at the inner side of the first opening portion.
Further, the first opening portion is circular open, and the diameter of the first opening portion is less than the bottom surface of the first spherical crown surface
Diameter, to prevent the first connector from deviating from the first opening portion.
Further, the height of the first spherical crown surface is more than the radius of the first predetermined sphere.
Further, the second mounting hole is provided with bulb prosthese, the second connector, which has, to be used for and the second mounting hole
The second binding face that internal face fits, the second binding face are at least part sphere of the second predetermined sphere, the second mounting hole
Internal face is engaged with the second binding face, so that the second connector is movably disposed in the second mounting hole.
Further, the second connector is the second segment structure, and the second binding face is corresponding with the second segment structure
Second spherical crown surface.
Further, the second mounting hole has the 3rd opening portion being used for for the insertion of the second connector, the 3rd opening portion court
Set to the bottom surface of acetabular outer cup, the second connector is located at the inner side of the 3rd opening portion.
Further, the 3rd opening portion is circular open, and the diameter of the 3rd opening portion is less than the bottom surface of the second spherical crown surface
Diameter, to prevent the second connector from deviating from the 3rd opening portion.
Further, the height of the second spherical crown surface is more than the radius of the second predetermined sphere.
Further, connection member also includes:Dowel, one end of dowel are connected with the first connector, dowel
The other end is connected with the second connector;Dowel is flexible piece.
Further, the first connector and the second connector are flexible piece, the first connector, the second connector and connection
Muscle is integrally formed.
Further, lining is provided with anti-rotation projection in acetabular bone, is provided with what is be adapted with anti-rotation projection on acetabular outer cup
Anti- rotation groove, anti-rotation is raised in anti-rotation groove, to prevent acetabular bone liner from being rotated relative to acetabular outer cup.
Further, the raised and anti-rotation groove of anti-rotation is multiple a pair of the raised and multiple anti-rotation groove 1 of multiple anti-rotations
Ground is answered to set, multiple anti-raised being provided at circumferentially spaced along acetabular bone liner of rotation.
Further, lining is provided with assembling projection in acetabular bone, is provided with what is be adapted with assembling projection on acetabular outer cup
Fitting recess, assembling are raised in fitting recess.
Further, assembling is raised is and the raised annular groove being adapted of assembling for annular, fitting recess.
Further, the inwall of acetabular outer cup has assembling inner conical surface, and the outer wall of acetabular bone liner has with assembling inner conical surface
The assembling male cone (strobilus masculinus) being adapted, assembling inner conical surface fit with assembling male cone (strobilus masculinus).
The full hip-joint prosthese of the present invention by acetabular outer cup, the acetabular bone liner being arranged in acetabular outer cup and is arranged on
Bulb prosthese in acetabular bone liner, so that hip joint disease obtains medical treatment.Wherein, full hip-joint prosthese also includes:Connection member,
Connection member has the first connector and the second connector, and the first connector is rotationally connected with acetabular outer cup, the second connection
Body is rotationally connected with acetabular bone liner;Wherein, acetabular outer cup includes the first mounting hole, and the first connector, which has, to be used for and first
The first binding face that the internal face of mounting hole fits, the first binding face be the first predetermined sphere at least part sphere, first
The internal face of mounting hole is engaged with the first binding face, so that the first connector is movably disposed in the first mounting hole.Can
To see, the full hip-joint prosthese both can prevent bulb prosthese from deviating from out of acetabular bone liner, ensure that the postoperative mobility of patient,
Also, the contact area of bulb prosthese and acetabular bone liner can be reduced, and then reduces the abrasion of full hip-joint prosthese, extends full hip and closes
Save the life-span of prosthese.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the sectional view of the embodiment of the full hip-joint prosthese according to the present invention;
Fig. 2 shows the broken away view of the embodiment of the full hip-joint prosthese according to the present invention;
Fig. 3 shows the stereogram of acetabular outer cup in the full hip-joint prosthese in Fig. 2;
Fig. 4 shows the sectional view of acetabular outer cup in the full hip-joint prosthese in Fig. 2;
Fig. 5 shows the stereogram of acetabular bone liner in the full hip-joint prosthese in Fig. 2;
Fig. 6 shows the sectional view of acetabular bone liner in the full hip-joint prosthese in Fig. 2;
Fig. 7 shows the sectional view of bulb prosthese in the full hip-joint prosthese in Fig. 2;And
Fig. 8 shows the stereogram of connection member in the full hip-joint prosthese in Fig. 2.
Wherein, above-mentioned accompanying drawing marks including the following drawings:
10th, acetabular outer cup;11st, the first mounting hole;111st, the first opening portion;112nd, the second opening portion;12nd, anti-rotation groove;
13rd, fitting recess;14th, inner conical surface is assembled;20th, acetabular bone liner;21st, anti-rotation is raised;22nd, assembling is raised;23rd, male cone (strobilus masculinus) is assembled;30、
Bulb prosthese;31st, the second mounting hole;311st, the 3rd opening portion;40th, connection member;41st, the first connector;42nd, the second connection
Body;43rd, dowel.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The invention provides a kind of full hip-joint prosthese, refer to Fig. 1 to Fig. 8, and full hip-joint prosthese includes acetabular outer cup
10th, the acetabular bone liner 20 being arranged in acetabular outer cup 10 and the bulb prosthese 30 being arranged in acetabular bone liner 20, wherein, full hip
Articular prosthesis also includes:Connection member 40, connection member 40 have the first connector 41 and the second connector 42, the first connector
41 are rotationally connected with acetabular outer cup 10, and the second connector 42 is rotationally connected with acetabular bone liner 20;Wherein, acetabular outer cup
10 include the first mounting hole 11, and the first connector 41, which has, to be used for and the internal face of the first mounting hole 11 fits first is bonded
Face, the first binding face are at least part sphere of the first predetermined sphere, the internal face of the first mounting hole 11 and the first binding face phase
Coordinate, so that the first connector 41 is movably disposed in the first mounting hole 11.
The present invention full hip-joint prosthese by acetabular outer cup 10, the acetabular bone liner 20 being arranged in acetabular outer cup 10 and
The bulb prosthese 30 being arranged in acetabular bone liner 20, so that hip joint disease obtains medical treatment.Wherein, full hip-joint prosthese also wraps
Include:Connection member 40, connection member 40 have the first connector 41 and the second connector 42, the first connector 41 rotationally with
Acetabular outer cup 10 is connected, and the second connector 42 is rotationally connected with acetabular bone liner 20;Wherein, acetabular outer cup 10 includes the first peace
Hole 11 is filled, the first connector 41 has the first binding face for being used for fitting with the internal face of the first mounting hole 11, the first fitting
Face is at least part sphere of the first predetermined sphere, and the internal face of the first mounting hole 11 is engaged with the first binding face, so that the
One connector 41 is movably disposed in the first mounting hole 11.It can be seen that the full hip-joint prosthese can both prevent bulb prosthese
Deviate from out of acetabular bone liner, ensure that the postoperative mobility of patient, also, contact of the bulb prosthese with acetabular bone liner can be reduced
Area, and then the abrasion of full hip-joint prosthese is reduced, extend the life-span of full hip-joint prosthese.
When it is implemented, as shown in figure 1, the first connector 41 is the first segment structure, the first binding face is and the first ball
The first corresponding spherical crown surface of structure is lacked, such setting reduces the mill between the first connector 41 and the first mounting hole 11
Damage.
In order to realize that the first connector 41 and acetabular outer cup 10 coordinate, as shown in figure 1, the first mounting hole 11 has relative set
The first opening portion 111 and the second opening portion 112 put, the first opening portion 111 are set towards the outside of acetabular outer cup 10, and second opens
Oral area 112 is set towards acetabular bone liner 20, and the part surface of the first connector 41 is located at the outside of the second opening portion 112, and first
Connector 41 is located at the inner side of the first opening portion 111.
When it is implemented, as shown in figure 4, the first opening portion 111 is circular open, the diameter of the first opening portion 111 is less than
The diameter of the bottom surface of first spherical crown surface, to prevent the first connector 41 from deviating from the first opening portion 111.
Wherein, the height of the first spherical crown surface is more than the radius of the first predetermined sphere.Now, the volume of the first segment structure is big
In the half of the first predetermined sphere volume.
In order to realize the connection of the second connector 42 and bulb prosthese 30, the second mounting hole is provided with bulb prosthese 30
31, the second connector 42 has the second binding face for being used for fitting with the internal face of the second mounting hole 31, and the second binding face is
At least part sphere of second predetermined sphere, the internal face of the second mounting hole 31 are engaged with the second binding face, so that second connects
Junctor 42 is movably disposed in the second mounting hole 31.
In order to reduce the abrasion between the second connector 42 and the second mounting hole 31, the second connector 42 is the second segment
Structure, the second binding face are second spherical crown surface corresponding with the second segment structure.
When it is implemented, the second mounting hole 31 have be used for for the second connector 42 insertion the 3rd opening portion 311, the 3rd
Opening portion 311 is set towards the bottom surface of acetabular outer cup 10, and the second connector 42 is located at the inner side of the 3rd opening portion 311.
In order to prevent bulb prosthese 30 from deviating from, the 3rd opening portion 311 is circular open, and the diameter of the 3rd opening portion 311 is small
Diameter in the bottom surface of the second spherical crown surface, to prevent the second connector 42 from deviating from the 3rd opening portion 311.
According to actual conditions, the diameter of the 3rd opening portion 311 can also be made more than or equal to the bottom surface of the second spherical crown surface
Diameter, but the inner side of the 3rd opening portion 311 is provided with defining flange, and the second connector 42 can be formed using the defining flange
Position-limiting action, and then prevent the second connector 42 from deviating from the 3rd opening portion 311.
Wherein, the height of the second spherical crown surface is more than the radius of the second predetermined sphere.Now, the volume of the second segment structure is big
In the half of the second predetermined sphere volume.
In the present embodiment, as shown in Figures 2 and 8, connection member 40 also includes:Dowel 43, one end of dowel 43 with
First connector 41 is connected, and the other end of dowel 43 is connected with the second connector 42;Dowel 43 is flexible piece.
Preferably, the first connector 41 and the second connector 42 are flexible piece, the first connector 41, the second connector 42
It is integrally formed with dowel 43.First connector 41 and the second connector 42 are the setting of flexible piece so that it is anti-in realization
While de-, the mobility of bulb prosthese ensure that.
To avoid the rotation of acetabular bone liner 20, anti-rotation projection 21 is provided with acetabular bone liner 20, is set on acetabular outer cup 10
There is the anti-rotation groove 12 being adapted with anti-rotation projection 21, anti-rotation projection 21 is in anti-rotation groove 12, to prevent acetabular bone liner 20
Rotated relative to acetabular outer cup 10.
Preferably, as shown in Figures 3 and 5, anti-rotation projection 21 and anti-rotation groove 12 are multiple multiple anti-rotation projections 21 and more
Individual anti-rotation groove 12 is set correspondingly, multiple anti-raised 21 being provided at circumferentially spaced along acetabular bone liner 20 of rotation.
In order that acetabular outer cup 10 and acetabular bone liner 20 realize that cone coordinates, the inwall of acetabular outer cup 10 has assembling inner conical surface
14, the outer wall of acetabular bone liner 20 has the assembling male cone (strobilus masculinus) 23 being adapted with assembling inner conical surface 14, assembling inner conical surface 14 and assembling
Male cone (strobilus masculinus) 23 fits.
In order to realize that acetabular outer cup 10 and acetabular bone liner 20 are locked after being engaged, it is convex that assembling is provided with acetabular bone liner 20
22 are played, the fitting recess 13 being adapted with assembling projection 22 is provided with acetabular outer cup 10, assembling projection 22 is in fitting recess 13.
When it is implemented, as shown in figs. 4 and 6, assembling projection 22 is annular, fitting recess 13 is to be adapted with assembling projection 22
Annular groove.Such setting ensure that the tight fit of acetabular outer cup 10 and acetabular bone liner 20,
In the present embodiment, the top of acetabular bone liner 20 is plane, and acetabular bone liner 20 is provided with passage, such to set
Put and both may be such that connection member 40 by ensure that full hip-joint prosthese is good fit, may be such that 30 movable model of bulb prosthese again
It is big to enclose change, so as to realize the big mobility of postoperative patient, also, contact of the acetabular bone liner 20 with bulb prosthese 30 can also be reduced
Area, so as to reduce the abrasion of acetabular bone liner 20, so as to extend the prosthese life-span.
In addition, in the present embodiment, as shown in fig. 7, bulb prosthese 30 has the tapered portion coordinated with type femoral bone end prosthesis.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect:
The present invention full hip-joint prosthese by acetabular outer cup 10, the acetabular bone liner 20 being arranged in acetabular outer cup 10 and
The bulb prosthese 30 being arranged in acetabular bone liner 20, so that hip joint disease obtains medical treatment.Wherein, full hip-joint prosthese also wraps
Include:Connection member 40, connection member 40 have the first connector 41 and the second connector 42, the first connector 41 rotationally with
Acetabular outer cup 10 is connected, and the second connector 42 is rotationally connected with acetabular bone liner 20;Wherein, acetabular outer cup 10 includes the first peace
Hole 11 is filled, the first connector 41 has the first binding face for being used for fitting with the internal face of the first mounting hole 11, the first fitting
Face is at least part sphere of the first predetermined sphere, and the internal face of the first mounting hole 11 is engaged with the first binding face, so that the
One connector 41 is movably disposed in the first mounting hole 11.It can be seen that the full hip-joint prosthese can both prevent bulb prosthese
Deviate from out of acetabular bone liner, ensure that the postoperative mobility of patient, also, contact of the bulb prosthese with acetabular bone liner can be reduced
Area, and then the abrasion of full hip-joint prosthese is reduced, extend the life-span of full hip-joint prosthese.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (17)
1. a kind of full hip-joint prosthese, including acetabular outer cup (10), the acetabular bone liner that is arranged in the acetabular outer cup (10)
(20) and the bulb prosthese (30) that is arranged in the acetabular bone liner (20), it is characterised in that the full hip-joint prosthese is also
Including:
Connection member (40), the connection member (40) have the first connector (41) and the second connector (42), and described first
Connector (41) is rotationally connected with the acetabular outer cup (10), second connector (42) rotationally with the acetabular bone
Liner (20) connects;
Wherein, the acetabular outer cup (10) includes the first mounting hole (11), first connector (41) have be used for it is described
The first binding face that the internal face of first mounting hole (11) fits, first binding face are at least portion of the first predetermined sphere
Bulb separation face, the internal face of first mounting hole (11) is engaged with first binding face, so that first connector
(41) it is movably disposed in first mounting hole (11).
2. full hip-joint prosthese according to claim 1, it is characterised in that first connector (41) is the first segment
Structure, first binding face are first spherical crown surface corresponding with the first segment structure.
3. full hip-joint prosthese according to claim 2, it is characterised in that first mounting hole (11) has relative set
The first opening portion (111) and the second opening portion (112) put, first opening portion (111) is towards the acetabular outer cup (10)
Outside set, second opening portion (112) sets towards the acetabular bone liner (20), the portion of first connector (41)
Surface is divided to be located at the outside of second opening portion (112), first connector (41) is located at first opening portion (111)
Inner side.
4. full hip-joint prosthese according to claim 3, it is characterised in that first opening portion (111) is opened for circle
Mouthful, the diameter of first opening portion (111) is less than the diameter of the bottom surface of first spherical crown surface, to prevent first connection
Body (41) is deviate from from first opening portion (111).
5. full hip-joint prosthese according to claim 4, it is characterised in that the height of first spherical crown surface is more than described
The radius of first predetermined sphere.
6. full hip-joint prosthese according to claim 1, it is characterised in that be provided with second on the bulb prosthese (30)
Mounting hole (31), second connector (42) have be used for fitting with the internal face of second mounting hole (31) second
Binding face, second binding face be the second predetermined sphere at least part sphere, the internal face of second mounting hole (31)
It is engaged with second binding face, so that second connector (42) is movably disposed in second mounting hole (31)
It is interior.
7. full hip-joint prosthese according to claim 6, it is characterised in that second connector (42) is the second segment
Structure, second binding face are second spherical crown surface corresponding with the second segment structure.
8. full hip-joint prosthese according to claim 7, it is characterised in that second mounting hole (31), which has, to be used to supply
3rd opening portion (311) of second connector (42) insertion, the 3rd opening portion (311) is towards the acetabular outer cup
(10) bottom surface is set, and second connector (42) is located at the inner side of the 3rd opening portion (311).
9. full hip-joint prosthese according to claim 8, it is characterised in that the 3rd opening portion (311) is opened for circle
Mouthful, the diameter of the 3rd opening portion (311) is less than the diameter of the bottom surface of second spherical crown surface, to prevent second connection
Body (42) is deviate from from the 3rd opening portion (311).
10. full hip-joint prosthese according to claim 9, it is characterised in that the height of second spherical crown surface is more than institute
State the radius of the second predetermined sphere.
11. full hip-joint prosthese according to any one of claim 1 to 10, it is characterised in that the connection member
(40) also include:
Dowel (43), one end of the dowel (43) are connected with first connector (41), the dowel (43)
The other end is connected with second connector (42);The dowel (43) is flexible piece.
12. full hip-joint prosthese according to claim 11, it is characterised in that first connector (41) and described
Two connectors (42) are flexible piece, first connector (41), second connector (42) and the dowel (43)
It is integrally formed.
13. full hip-joint prosthese according to claim 1, it is characterised in that be provided with the acetabular bone liner (20) anti-
Rotation is raised (21), and the anti-rotation groove (12) being adapted with the anti-rotation raised (21), institute are provided with the acetabular outer cup (10)
Anti- rotation raised (21) is stated in the anti-rotation groove (12), to prevent the acetabular bone liner (20) relative to the acetabular outer cup
(10) rotate.
14. full hip-joint prosthese according to claim 13, it is characterised in that the anti-rotation raised (21) and the anti-rotation
Groove (12) is multiple, and multiple anti-rotations raised (21) and multiple anti-rotation grooves (12) are set correspondingly, more
Individual described anti-raised (21) being provided at circumferentially spaced along acetabular bone liner (20) of rotation.
15. full hip-joint prosthese according to claim 1, it is characterised in that be provided with dress on the acetabular bone liner (20)
With raised (22), the fitting recess (13) being adapted with the assembling raised (22) is provided with the acetabular outer cup (10), it is described
Assembling raised (22) is located in the fitting recess (13).
16. full hip-joint prosthese according to claim 15, it is characterised in that the assembling raised (22) is annular, institute
It is the annular groove being adapted with the assembling raised (22) to state fitting recess (13).
17. full hip-joint prosthese according to claim 1, it is characterised in that the inwall of the acetabular outer cup (10) has
Inner conical surface (14) is assembled, the outer wall of the acetabular bone liner (20) has the assembling outer cone being adapted with the assembling inner conical surface (14)
Face (23), the assembling inner conical surface (14) fit with the assembling male cone (strobilus masculinus) (23).
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CN201710736532.5A CN107518963B (en) | 2017-08-24 | 2017-08-24 | Total hip joint prosthesis |
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CN201710736532.5A CN107518963B (en) | 2017-08-24 | 2017-08-24 | Total hip joint prosthesis |
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CN107518963B CN107518963B (en) | 2023-12-19 |
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CN111714256A (en) * | 2020-06-12 | 2020-09-29 | 苏州中科生物医用材料有限公司 | High-molecular friction interface femoral head |
CN113827376A (en) * | 2021-11-23 | 2021-12-24 | 北京爱康宜诚医疗器材有限公司 | Acetabular prosthesis |
CN116763509A (en) * | 2023-08-18 | 2023-09-19 | 北京爱康宜诚医疗器材有限公司 | Knee joint tibia prosthesis |
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CN202821719U (en) * | 2012-07-10 | 2013-03-27 | 北京爱康宜诚医疗器材股份有限公司 | Anatomy type double acting whole hip artificial joint |
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CN116763509A (en) * | 2023-08-18 | 2023-09-19 | 北京爱康宜诚医疗器材有限公司 | Knee joint tibia prosthesis |
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