Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 5383927 | Non-thromogenic vascular prosthesis The present invention provides vascular prostheses free of any substance that counteracts an anticoagulant comprising a base material, the base material having inner and outer surfaces, wherein the outer surface has a layer of a material capable of reduci... | 01/24/1995 |
| 5207705 | Prosthesis of foam polyurethane and collagen and uses thereof An implantable medical prosthesis is provided having a uniform mixture of foam polyurethane and collagen. The prosthesis can be shaped into an elongated hollow body tube useful for implantation in an animal. Alternatively, the prosthesis can be shaped int... | 05/04/1993 |
| 5197977 | Drug delivery collagen-impregnated synthetic vascular graft A collagen impregnated vascular graft including drug materials complexed with the collagen to be released slowly from the graft following implant. The graft is a porous synthetic vascular graft substrate having collagen fixed to the graft substrate and cr... | 03/30/1993 |
| 5178631 | Bi-leaflet heart valve prosthesis with shared pivot recess A bi-leaflet heart valve having pivot ears comprising frusto-conical segments, located substantially at a diametral edge of leaflet occluders of the valve. Pivots on adjacent edges of both occluders share a common recess in an annular body of the valve.... | 01/12/1993 |
| 5157111 | Method of bonding collagen to fibers, particularly dacron A method of bonding collagen to synthetic polyester fibers, particularly DACRON. The method involves providing synthetic polyester fabric fibers having repeating carbonyl groups, hydrogenating the repeating carbonyl groups and then conducting a transester... | 10/20/1992 |
| 5108424 | Collagen-impregnated dacron graft A collagen-impregnated vascular graft includes a porous synthetic vascular graft substrate formed by knitting or weaving with at least three applications of dispersed collagen fibrils. Plasticizers are incorporated into the collagen slurry before applicat... | 04/28/1992 |
| 4902289 | Multilayer bioreplaceable blood vessel prosthesis Process for forming a multilayer blood vessel prosthesis. Each layer is formed from bioreplaceable materials which include those produced by contacting collagen with an aminopolysaccharide and subsequently covalently crosslinking the resluting polymer, po... | 02/20/1990 |
| 4842575 | Method for forming impregnated synthetic vascular grafts A collagen impregnated synthetic vascular graft including a synthetic vascular graft substrate and cross-linked collagen fibril is formed by depositing an aqueous slurry of collagen fibrils in the lumen of the graft and massaging to insure intimate mixing... | 06/27/1989 |
| 4822361 | Tubular prosthesis having a composite structure A tubular prosthesis having a composite structure comprising (i) tubular polytetrafluoroethylene having a microfibrous structure comprising small nodes interconnected with fibrils and (ii) materials which can be absorbed by a living body wherein (a) said ... | 04/18/1989 |
| 4801299 | Body implants of extracellular matrix and means and methods of making and using such implants A sterile body implant is derived from a body structure having as its major protein component collagens in the form of extracellular matrix. The body structure is treated to remove cellular membranes, nucleic acids, lipids and cytoplasmic components. Such... | 01/31/1989 |
| 4629458 | Reinforcing structure for cardiovascular graft The reinforced tubular graft structure is particularly adapted for cardiovascular use and is made of collagenous tissue with a reinforcing fibrous structure surrounding the lumen. The fibrous structure comprises a coiled monofilament which can have a text... | 12/16/1986 |
| 4578079 | Tetrapeptide The peptide X-Arg-Gly-Asp-R-Y wherein X is H or at least one amino acid and Y is OH or at least one amino acid, and R is an amino acid selected from Thr or Cys, or other amino acid, having the same cell-attachment activity as fibronectin and the peptide X... | 03/25/1986 |
| 4553974 | Treatment of collagenous tissue with glutaraldehyde and aminodiphosphonate calcification inhibitor A process for the treatment of collagenous tissue to adapt it for use in a prosthetic implant and to promote the growth of endothelial cells thereon after implantation comprising treatment with at least one surfactant prior to fixation, treatment with age... | 11/19/1985 |
| 4420339 | Collagen fibers for use in medical treatments Disclosed herein are collagen fibers for use in medical treatments, having amino acid residues of 312 to 340 glycine residues, 119 to 138 proline residues, 94 to 100 hydroxyproline residues and 2.6 to 5.5 tyrosin residues per 1000 total amino acid residue... | 12/13/1983 |
| 4319363 | Vascular prostheses Vascular prosthesis suitable for use as a surgical graft is produced by implanting a rod or tube in a living host animal such as a sheep and allowing collagenous tissue to grow on the implant to form a coherent tubular wall of collagenous tissue. The impl... | 03/16/1982 |
| 4082507 | Prosthesis and method for making the same A method is provided for controlling thrombogenicity of a vascular graft prosthesis by controlling the surface charge of at least the intimal surface of the prosthesis by reaction with a compound selected from the group consisting of albumin, glyoxals, et... | 04/04/1978 |
