WO1988007845A1 - Joint prosthesis - Google Patents
Joint prosthesis Download PDFInfo
- Publication number
- WO1988007845A1 WO1988007845A1 PCT/NL1988/000016 NL8800016W WO8807845A1 WO 1988007845 A1 WO1988007845 A1 WO 1988007845A1 NL 8800016 W NL8800016 W NL 8800016W WO 8807845 A1 WO8807845 A1 WO 8807845A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cup
- joint
- ring
- organ
- shaped
- Prior art date
Links
Classifications
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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
- A61F2/32—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
- A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
-
- 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
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30487—Circumferential cooperating grooves and beads on cooperating lateral surfaces of a mainly longitudinal connection
-
- 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
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30495—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking ring
-
- 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
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/305—Snap connection
-
- 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
-
- 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
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/3096—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques trimmed or cut to a customised size
-
- 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
- A61F2002/3233—Joints for the hip having anti-luxation means for preventing complete dislocation of the femoral head from the acetabular cup
-
- 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
- A61F2002/3241—Joints for the hip having a ring, e.g. for locking the femoral head into the acetabular cup
-
- 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
- A61F2002/3443—Acetabular cups with an anti-luxation elevated rim portion, e.g. on the inner shell
-
- 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
- A61F2002/3493—Spherical shell significantly greater than a hemisphere, e.g. extending over more than 200 degrees
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
Definitions
- the invention in the first place concerns a joint prosthe in particular a hip-joint prosthesis, at least consisting of an organ comprising a ball and an organ comprising a cup-shaped element for reception of said ball wherein the organ comprising a cup-shaped element at least consists of a first and a second part which are connected with eac other and which are mutually secured with use of a click- and wherein the sphere-sector surface-shaped part of the contact surface between the cup-shaped element and the ba with the complete prosthesis corresponds to a solid angle of at most 180 degrees, of which the top coincides the he of the ball.
- a joint prosthesis organ is described that can be applied to the joint prosthesis in the above mentioned manner.
- Such a known joint-prosthesis organ is a hip-joint prosthesis org consisting of two parts, of which the first part is formed -. by a reception-part to be secured in the pelvis and the -"second part s formed by a cup-shaped part " hich is meant for reception of the ball-shaped part of the hip-joint.
- the second part which is cup-shaped can be fitted in the first part by means of a click-joint.
- the construction of the second part and of the first is such that after fit . of the second part in the first part both parts are mutual secured in a "fixed position.
- hip-joint organ there can be several forms to the second part, in order to adapt the form and the position of the cup-shaped element according to the for each case existing requirements in the best possible way.
- the aim of the invention at issue is to provide a solution for the disadvantage mentioned in the form of a joint prosthesis in which the part containing a cup-shaped eleme is constructed is such way that luxation is prevented to a large extent.
- the described joint prosthesi in particular a hip joint prosthesis is for this purpose characterized by the fact that the said first part and t said second part of the organ that contains a cup-shaped element, comprise click-joint elements which cooperate by forming a click-joint which allows free mutual rotation of both elements mentioned.
- the application of the click-joint elements implies that it will have to be possible to elastically deform prefera at least one of the click-joint elements. For that reason at least one of the click-joint elements or that part of the organ of which the element is a part, will in general be made of synthetic material.
- the second part in the joint prosthesis of the org containing a cup-shaped element be a part with a special form for prevention of luxation
- the second part of the hip joint prosthesis can, after fitting of the comple hip joint prosthesis organ, be rotated in such way that in accordance with the on the spot established farthest positions an optimal position of the second part is reach After this mentioned optimal position has been reached th second part can be further maintained in this position.
- seperately working means are provided for the mutual fixation of the said second part and first par after reaching an optimal position of the second part in regard to the first part. It is however noted that such - ⁇ -
- the contacting surfaces may be roughened.
- a protrusion on one surface and a series of depressions in the opposite surface whereby _ upon rotation of the first and second parts relative to each other the said protrusion may be received by a select one of said depressions.
- a protrusion may have the form of a small ball received in an enclosing cavity in one of the contacting surfaces, for example in the first part of the cup-shaped organ, i.e the cup-shaped element.
- the invention also concerns * a joint prosthesis organ which contains a cup-shaped element for application in a joint prosthesis which according to the invention consists at least of a first and a second part which can be connected with each other and mutually secured by means of a click-j and with which the sphere-sector surface-shaped part of the contact -surface between - e cup-shaped element and the ball equals the earlier mentioned solid angle of at the most 180 degrees which is characterized by the fact that the first part mentioned and the second part mentioned con click-joint elements which can cooperate by forming a click-joint .which allows free mutual rotation of both mentioned parts.
- the first part in the joint prosthesis org is formed by a cup-shaped elem and the second by a ring of appropriate form which can, by means of a click-joint be interchangebly connected wit a recess in the upper-inner edge of the mentioned cup-sha element, with which the inner edge of the ring and the in side of the cup-shaped element connect without difference of level and the height of the ring is at least equal to the depth of the recess.
- the ring is made of synthetic material, for instance high density polyethylene.
- the cup-shaped element can be made of synthetic material; cer metals or ceramic material can be used as well.
- the ring mentioned can be selected in such form and size that depe on the patient's physical condition an optimal p evention of luxation can be achieved.
- the ring in question in the publication mentioned is applied for reduction of abrasion-occurences between a cup-shaped element and a her included ball and not for reduction of the risk of luxatio by a ring of appropriate form; furthermore the height of the ring in question is limited to a value equal to the depth of the recess.
- the above described ring-shaped second part may have differ forms; for instance, at least a part of its circumference may have been heightened or a part of such a heightening may be inclined towards the center of the cup-shaped elemen
- the earlier mentioned ring may also have been fit with a bevel in order to make a larger rotation angle of the ball ⁇ fitting in the cup-shaped part possible.
- the second part of that organ is formed by a split ring.
- a construction form such as this is most attractive in thos cases in which the originally placed ring in a completely fitted joint prosthesis appears not to have a optimal form during the operation.
- the earlier fitted ring can then easi be removed and replaced by a new ring of a better adjusted form.
- Such a split ring may also be most advantageous in case of a subsequent operation of a patient; an earlier fitted ring which does not (any longer) have an optimal f-orm can then easily be replaced by a new ring without the original fitted prosthesis having to be removed.
- the first part is formed by a mass of synthetic material provided with a hollow for the reception by forming a click— ⁇ joint of the mentioned second part in the form of a cup-shaped element with which in that case the click-joint elements are present respectively at the upper edge of the earlier mentioned hollow in the synthetic mass and at the outer-upper edge of the cup-shape -element.
- the synthetic mass with a possible appropriate form is connected to or fitted in the pelvis; after this the cup-shaped element is fitted and the ball connected to the bone is placed after which finally by rotating the cup-shaped element in regard to the first pa in the form of a synthetic mass an optimal positioning of the cup-shaped element is reached.
- cup-shaped element may in turn be secured by means of seperate means in regard to the synthetic mass in which there is a hollow.
- the cup-shaped element may of course also be constructed in the manner as was described earlier; i.e. a cup-shaped element with in its inner-upper edge a recess in which a special ring can be included which is connected by means of a click-jo allowing free rotation of the ring in regard to the cup-s element.
- the first part will most advantageous have the form of a synthetic mass which is of such size that it may be adapt during the operation, to the bone area to which the menti synthetic mass is to be connected; by in orthopaedics use means such a shaping can easily be performed during the operation.
- the invention also concerns a ring for application in a joint prosthesis organ which is characterized by the fact that the ring * is shaped according to the above given description of the ring-shaped second part of the joint prosthesis organ according to the invention.
- the invention furthermore concerns a cup-shaped element for application in a joint prosthesis organ which is characterized by the fact that the mentioned element is shaped according to the above given description of the cup-shaped second part of the joint prosthesis organ accor to the invention.
- Pigure 1 presents a section diagram of a joint prosthesis organ with a fitted ball according to the invention with which, as an exemplification, the part in which the click-joint elements are found is presented on a larger scale.
- Figure 2 presents a sectional drawing and an elevation of another construction form of a joint prosthesis organ according to the invention.
- Figure 3 presents yet another construction form of a join prosthesis organ according to the invention.
- Figure 4 presents yet another construction form of a join prosthesis organ according to the invention.
- Figure 5 presents an illustration of the application of a joint prosthesis organ according to the invention.
- Figure 6 presents a special construction form of a joint prosthesis organ according to the invention.
- Figure 7 presents a joint prosthesis organ according to the invention with which the second part is formed by a cup-shaped element.
- Figure 8 presents a fitted joint prosthesis organ accordi to the invention.
- the first part is formed by a cup-shaped elem 1 with a recess in the upper-inner edge in which a split ring 2 of synthetic material is incorporated of which the height is more than the depth of the recess.
- the height mentioned may, dependent on the eventual aim, be varied.
- Ring 2 is incorporated in the recess and is fitted by mea of click-joint elements 2 and 2' which may have the form as presented here but which may also have any other suita click-joint element form, as the expert knows, and which may both extend around the element 1 and ring 2 respectiv but of which one may also be interrupted as mentioned bef
- the cup-shaped part contains a flange 3 while it is furthermore indicated that fixation of the ring-shaped pa 2 in regard to the cup-shaped part 1 can be achieved by fixation means 4 and 5 of which the screw 5 can be incorporated in hollow 6.
- the construction form of the prosthesis organ presented here is a basic construction form. The split of the ring at 8 makes it possible to fit the ring even if the prosthesis is completely finished; i.e. when the biall has been incorporated in the cup-shaped element.
- fixation can of course, as indicated afore, be accomplished without the use of special fixation means, ,_i..e. by roughening of surfaces which contact .each other. Also the earlier described protrusion and recesses in the contacting surfaces offer a good possibility.
- the ring may have one or- more not-ches in its outer circumference which extend over its height; by means of fasteners which fit in a notch and fall in recesses in the cups upper surface the ring can be fixed against rotation relative to the cup.
- the ring may also extend to over the cup edge.
- One or more notches may then be used to obtain fixation of the ring, by use of suitable fasteners, to a part normally used in uncemente prosthesis types, such as a metal ring which is screwed in the bone.
- Figure 2 presents a cup-shaped element 1 that is fitted with a ring-shaped part 2 with a heightened part 12 of whic the height continuously increases from right to left. Furthermore the ring is provided with a bevel part 9 thus positively influencing the farthest positions of the ball-part- of the joint.
- a ring of a special construct form, as well as the ring from figure 1 may be incorporated in the cup-shaped part 1, which is presented in figure 1.
- a patient may therefore at first be helped with a prosthesi according to figure 1; during the operation or maybe later, at a subsequent operation the part 2 can easily be replaced by a part as indicated in figure 2 and equally well by part 2 as indicated in the figures that are still to be discusse
- Figure 3 presents a ring-shaped second part of a special form while in figure 4 a similar prosthesis organ is pres with which the heightened part of the ring i ⁇ inclined to the center of the cup-shaped first part; in figure 4 is also indicated, at 14, that during the operation the ring-shaped part can be cut to the right size.
- the heart of a ball that is to be fitted is fitted lower than in figure 1 and 2.
- a situatio in which the heart of the ball lies in the plane of the upper side of the cup-shaped element 1 is of course also possible in the figures meant; which holds good for the following figures as well.
- figure 5 a construction form as in figure 3 is present with which it is schematically indicated that during the operation the heightened part 12 of the ring 2 can be giv the right size by means of cutting as presented in 13.
- the ring may be adapted such that its inner surface displaced outward in respect of the inner surface of the cup at places of the ring whi do not function to hamper luxation, i.e. generally at the right side of the firgures.
- FIG 7 a situation is presented in which the first part of the joint prosthesis organ consists of a synthetic • mass 21, which-, as is indicated, has been given a form whi can be fitted in a hollow which is present in the pelvis-p while the second part 22 is constructed as a cup-shaped element.
- the cup-shaped element has in this case a form equal to that of figure 1; it is however fitted in a speci manner.
- the synthetic mass 21 is first given the required size by mean of cutting, sawing etc. After this part 21 is fitted, for instance by means of a cement, in a hollow which is presen or made in the pelvis-part.
- the invention is however not restricted to the latter; the user will have a large number of construction forms at his disposal which can be applied according to choice.
- FIG. 8 a diagrammatic representation is given -of a fitted hip-joint pros ⁇ _he _ sis according to the inventio
- a cup-shaped element 31 has been fitted in the known manner; the ball 31 r has been incorporated.
- the pin 35 which is incorporate in the thigh-bone.
- a ring-shaped part 32 which is incorporated in "a recess in the cup-shaped part 31; the ring-shaped part is here indicated with a stro bevel at 37 and light bevel at 38.
- the light bevel is pres in the area where the danger of luxation is greatest.
- perforations have been made in the ring in order to stimulate ingrowth of soft tissue in which way an extra strong connection of th entire prosthesis is achieved.
- Perforations can be made in all of the above drawn constructions; the application of an a ⁇ ymetric bevel pattern as drawn can be made with all construction forms as well.
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8888903411T DE3876804T2 (en) | 1987-04-14 | 1988-04-13 | JOINT PROSTHESIS. |
AT88903411T ATE83368T1 (en) | 1987-04-14 | 1988-04-13 | JOINT PROSTHESIS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8700879 | 1987-04-14 | ||
NL8700879A NL8700879A (en) | 1987-04-14 | 1987-04-14 | JOINT PROSTHESIS AND JOINT PROSTHESIS ORGANIZATION AND COMBINED ELEMENT FOR APPLICATION IN SUCH A JOINT PROSTHESIS ORGANIZATION. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1988007845A1 true WO1988007845A1 (en) | 1988-10-20 |
Family
ID=19849854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL1988/000016 WO1988007845A1 (en) | 1987-04-14 | 1988-04-13 | Joint prosthesis |
Country Status (7)
Country | Link |
---|---|
US (1) | US5133763A (en) |
EP (1) | EP0359753B1 (en) |
AT (1) | ATE83368T1 (en) |
AU (1) | AU1575888A (en) |
DE (1) | DE3876804T2 (en) |
NL (1) | NL8700879A (en) |
WO (1) | WO1988007845A1 (en) |
Cited By (6)
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EP0586335A1 (en) * | 1992-09-02 | 1994-03-09 | SULZER Medizinaltechnik AG | Two-piece acetabular cup |
FR2706285A1 (en) * | 1993-06-17 | 1994-12-23 | Implant Reduction Eurl | Anti-luxation (anti-dislocation) prosthesis |
GB2306330A (en) * | 1995-10-24 | 1997-05-07 | Corin Medical Ltd | Acetabular cup |
DE19604458A1 (en) * | 1996-02-08 | 1997-08-14 | Hagen Seifert | Acetabular cup for hip joint |
US5916268A (en) * | 1992-01-29 | 1999-06-29 | Sulzer Medizinaltechnik Ag | Kit for an artificial acetabulum |
FR2951071A1 (en) * | 2009-10-12 | 2011-04-15 | Thomas Gradel | PROTHETIC COTYLE WITH LARGE RETENTION CAPACITY |
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DE9212419U1 (en) * | 1992-09-15 | 1994-01-27 | Link Waldemar Gmbh Co | Joint socket for a hip joint endoprosthesis |
US5290313A (en) * | 1992-11-23 | 1994-03-01 | Zimmer, Inc. | Offset prosthetic stem extension |
US6290726B1 (en) | 2000-01-30 | 2001-09-18 | Diamicron, Inc. | Prosthetic hip joint having sintered polycrystalline diamond compact articulation surfaces |
US6425922B1 (en) | 2000-01-30 | 2002-07-30 | Diamicron, Inc. | Prosthetic hip joint having at least one sintered polycrystalline diamond compact articulation surface |
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US6596225B1 (en) | 2000-01-31 | 2003-07-22 | Diamicron, Inc. | Methods for manufacturing a diamond prosthetic joint component |
US6494918B1 (en) | 2000-01-30 | 2002-12-17 | Diamicron, Inc. | Component for a prosthetic joint having a diamond load bearing and articulation surface |
US6497727B1 (en) | 2000-01-30 | 2002-12-24 | Diamicron, Inc. | Component for use in prosthetic hip, the component having a polycrystalline diamond articulation surface and a plurality of substrate layers |
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US6923833B2 (en) * | 2002-04-09 | 2005-08-02 | Ray C. Wasielewski | Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function |
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US8123815B2 (en) | 2008-11-24 | 2012-02-28 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
US8007539B2 (en) * | 2008-12-08 | 2011-08-30 | Biomet Manufacturing Corp. | Metal-on-metal modular hybrid liner |
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US11376128B2 (en) * | 2018-12-31 | 2022-07-05 | Depuy Ireland Unlimited Company | Acetabular orthopaedic prosthesis and method |
US11291549B2 (en) | 2019-12-11 | 2022-04-05 | Depuy Ireland Unlimited Company | Ceramic acetabular shell liners with augments |
US11628066B2 (en) | 2019-12-11 | 2023-04-18 | Depuy Ireland Unlimited Company | Ceramic acetabular shell liner with a metal ring having a lead-in surface |
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FR2060179A1 (en) * | 1969-09-02 | 1971-06-18 | Cellier Michel | |
DE2823306A1 (en) * | 1977-05-30 | 1978-12-07 | Charnley Surgical Inventions | PROSTHESIS FOR HIP ELASTIC PAN |
EP0053794A2 (en) * | 1980-12-10 | 1982-06-16 | Feldmühle Aktiengesellschaft | Cup for a hip joint |
DE3200340A1 (en) * | 1981-03-04 | 1982-09-23 | Howmedica International, Inc. Zweigniederlassung Kiel, 2300 Kiel | Internal hip joint prosthesis |
WO1984003432A1 (en) * | 1983-03-08 | 1984-09-13 | Joint Medical Products Corp | Ball and socket bearing for artificial joint |
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EP0245527A1 (en) * | 1986-04-15 | 1987-11-19 | GebràDer Sulzer Aktiengesellschaft | Acetabular endoprosthesis |
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US4241463A (en) * | 1978-10-16 | 1980-12-30 | Precision Cast Specialties, Inc. | Prosthetic implant device |
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-
1987
- 1987-04-14 NL NL8700879A patent/NL8700879A/en not_active Application Discontinuation
-
1988
- 1988-04-13 EP EP88903411A patent/EP0359753B1/en not_active Expired - Lifetime
- 1988-04-13 DE DE8888903411T patent/DE3876804T2/en not_active Expired - Fee Related
- 1988-04-13 AT AT88903411T patent/ATE83368T1/en not_active IP Right Cessation
- 1988-04-13 WO PCT/NL1988/000016 patent/WO1988007845A1/en active IP Right Grant
- 1988-04-13 US US07/449,953 patent/US5133763A/en not_active Expired - Fee Related
- 1988-04-13 AU AU15758/88A patent/AU1575888A/en not_active Abandoned
Patent Citations (7)
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FR2060179A1 (en) * | 1969-09-02 | 1971-06-18 | Cellier Michel | |
DE2823306A1 (en) * | 1977-05-30 | 1978-12-07 | Charnley Surgical Inventions | PROSTHESIS FOR HIP ELASTIC PAN |
EP0053794A2 (en) * | 1980-12-10 | 1982-06-16 | Feldmühle Aktiengesellschaft | Cup for a hip joint |
DE3200340A1 (en) * | 1981-03-04 | 1982-09-23 | Howmedica International, Inc. Zweigniederlassung Kiel, 2300 Kiel | Internal hip joint prosthesis |
FR2571610A1 (en) * | 1982-02-24 | 1986-04-18 | Pappas Michael | IMPROVED SPHERICAL KINETIC JOINT FOR PROSTHETIC |
WO1984003432A1 (en) * | 1983-03-08 | 1984-09-13 | Joint Medical Products Corp | Ball and socket bearing for artificial joint |
EP0245527A1 (en) * | 1986-04-15 | 1987-11-19 | GebràDer Sulzer Aktiengesellschaft | Acetabular endoprosthesis |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5916268A (en) * | 1992-01-29 | 1999-06-29 | Sulzer Medizinaltechnik Ag | Kit for an artificial acetabulum |
EP0586335A1 (en) * | 1992-09-02 | 1994-03-09 | SULZER Medizinaltechnik AG | Two-piece acetabular cup |
US5458649A (en) * | 1992-09-02 | 1995-10-17 | Sulzer Medizinaltechnik Ag | Two-part hipjoint socket |
FR2706285A1 (en) * | 1993-06-17 | 1994-12-23 | Implant Reduction Eurl | Anti-luxation (anti-dislocation) prosthesis |
GB2306330A (en) * | 1995-10-24 | 1997-05-07 | Corin Medical Ltd | Acetabular cup |
DE19604458A1 (en) * | 1996-02-08 | 1997-08-14 | Hagen Seifert | Acetabular cup for hip joint |
DE19604458C2 (en) * | 1996-02-08 | 1998-01-29 | Hagen Seifert | Joint socket |
FR2951071A1 (en) * | 2009-10-12 | 2011-04-15 | Thomas Gradel | PROTHETIC COTYLE WITH LARGE RETENTION CAPACITY |
WO2011045737A2 (en) | 2009-10-12 | 2011-04-21 | Thomas Gradel | Acetabular cup with high retention capacity |
WO2011045737A3 (en) * | 2009-10-12 | 2011-06-09 | Thomas Gradel | Acetabular cup with high retention capacity |
US8882849B2 (en) | 2009-10-12 | 2014-11-11 | Inventorio Sa | Acetabular cup with high retention capacity |
Also Published As
Publication number | Publication date |
---|---|
AU1575888A (en) | 1988-11-04 |
EP0359753B1 (en) | 1992-12-16 |
DE3876804T2 (en) | 1993-06-09 |
ATE83368T1 (en) | 1993-01-15 |
US5133763A (en) | 1992-07-28 |
NL8700879A (en) | 1988-11-01 |
DE3876804D1 (en) | 1993-01-28 |
EP0359753A1 (en) | 1990-03-28 |
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