EP0054785B1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Process for the manufacture of medical and dental, alloplastic, endoprosthetic and exoprosthetic fittings
Assignee: Individual
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Filing: 1981-12-04
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Granted: 1985-07-03
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Expires: 2001-12-04
Abstract
Abstract The medical or dental implant (endoprothetic or exoprothetic) is made from a hard material and its shape is obtained from a 3-dimensional analysis of a mould or topographical representation of the damaged/disordered region of the body. The resulting 3-dimensional record is then used to construct the missing part. The region may be scanned optically or electrooptically etc. The implant is useful for dental mechanics.
Inventors
- 👤 Werner H. Dr.med.dent. Mörmann
- 👤 Marco Dr. Brandestini
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 03:22
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/3094; A61F2/30942; A61C; A61C13/00; A61C13/0003; A61C13/0004; A61C19/00; A61C19/04; A61C5/00; A61C5/70; A61C5/77; A61C9/00; A61C9/004; A61C9/0046; A61C9/0053; G; G05; G05B; G05B19/00; G05B19/02; G05B19/42; G05B19/4202; G05B19/4207; A61F2002/30952
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
173 words
Process for the manufacture of individually shaped medical and dental, alloplastic, endoprosthetic and exoprosthetic fittings made of hard materials, wherein the surfaces of organs of the body or surfaces created at organs of the body, three dimensional forms and spaces along at least part of their walls and boundaries and operatively non treated surfaces adjacent to those configurations are optically detected in a contact-free manner with respect to their topographical and spatial characteristic and then are recorded by means of 3-dimensional image analysis, wherein by means of this record a design plan for a fitting suited for restoring said organ is calculated and graphically displayed for a visial check, wherein when making this design plan those surfaces which were not optically detected are completed by adapting pre-programmed curvatures to the boundaries of detected surfaces and wherein finally the respective material is shaped on the basis of said design plan and of a machining programme to an alloplastic fitting, the shape of which is adapted at least approximately to the shape of said organ.
Claim 2
Dependent Claim
173 words
Process for the manufacture of individually shaped medical and dental, alloplastic, endoprosthetic and exoprosthetic fittings made of hard materials, wherein the surfaces of organs of the body or surfaces created at organs of the body, three dimensional forms and spaces along at least part of their walls and boundaries and operatively non treated surfaces adjacent to those configurations are optically detected in a contact-free manner with respect to their topographical and spatial characteristic and then are recorded by means of 3-dimensional image analysis, wherein by means of this record a design plan for a fitting suited for restoring said organ is calculated and graphically displayed for a visial check, wherein when making this design plan those surfaces which were not optically detected are completed by adapting pre-programmed curvatures to the boundaries of detected surfaces and wherein finally the respective material is shaped on the basis of said design plan and of a machining programme to an alloplastic fitting, the shape of which is adapted at least approximately to the shape of said organ.
Claim 3
Dependent Claim
77 words
Process as defined in claim 1, wherein the recorded surface information and design data, respectively, are displayed on a monitor, according to which data a calculator calculates and displays the alloplastic fitting matching into or onto the recorded shape and wherein instructions for constructive corrections or completions directly can be introduced by the operator until the design corresponds to the final requirements, whereafter the calculated design data are transmitted to the control unit of a processing machine.
Claim 4
Dependent Claim
47 words
Process as defined in one of the claims 1 to 2, wherein before performing the image detection of the surfaces of the organs of the body or of the molds made thereof by an impression material said surfaces are at least partly provided with an image coating.
Claim 5
Dependent Claim
62 words
Process as defined in one of the claims 1 to 3, wherein the organs neighboring and functionally antagonistic to the organ to be alloplastically restored are detected with respect to their orientation in space and to their distance and wherein the alloplastic fittings are shaped according to the respective neighboring and antagonistic relation with the possible exception of intraoperative manually performed adaptions.
Claim 6
Dependent Claim
113 words
Process as defined in one of the claims 1 to 4, wherein a control device for a processing machine is used and is further programmed in such a way that at least on portions of the fitting surface reduced dimensions are produced, whereby between the alloplastic fittings and the detected inner or outer form of the organ to be restored a clearance is provided for a material necessary for the adaption or adhesion of the alloplastic fitting to the tissue or for an intermediate substance necessary for physiological reasons or in such a way that depending on the application the control programme at least partly produces larger dimensions for technical or functional reasons.
Claim 7
Dependent Claim
67 words
Process as defined in claim 5, wherein the control device for shaping the outer surface of the alloplastic fitting is further programmed in such a way that this surface in its whole boundary region is shaped at least approximately as a continuation of the outer surface of the organ, wherein according to individual requirements given dimensions are used depending on aspects of its form or its function.
References Cited (Backward Citations)
No citation records indexed.
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