|Publication number||US3384073 A|
|Publication date||May 21, 1968|
|Filing date||Apr 21, 1964|
|Priority date||Apr 21, 1964|
|Publication number||US 3384073 A, US 3384073A, US-A-3384073, US3384073 A, US3384073A|
|Inventors||Jr Walton Van Winkle|
|Original Assignee||Ethicon Inc|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (64), Classifications (9) |
|External Links: USPTO, USPTO Assignment, Espacenet|
Surgical device for correction of urinary incontinence
US 3384073 A
y 1968 w. VAN WINKLE, JR 3,384,073
SURGICAL DEVICE FOR CORRECTION OF URINARY INCONTINENCE Filed April 21. 1964 INVENTOR.
ATTOR Y United States Patent 3,384,073 SURGICAL DEVICE FOR CORRECTION OF URINARY INCONTINENCE Walton Van Winkle, Jr., Princeton, N.J., assignor to Ethicon, Inc., a corporation of New Jersey Filed Apr. 21, 1964, Ser. No. 361,383 1 Claim. (Cl. 128--1) The present invention relates to: collagen prosthesis, and more particularly to a device useful in correcting urinary incontinence.
Urinary incontinence in the male frequently results from a prostatectomy and has always been a most diflicult problem to handle. The bladder is devoid of sphincter action and the retention of urine with overflow incontinence is present in most instances.
It is an object of the present invention therefore to provide a prosthesis that may be used to correct urinary incontinence.
The prosthesis of the present invention will appear more clearly from the following descriptions when taken in connection with the accompanying drawings which show by way of example a preferred embodiment of the inventive idea. I
Referring now to the" drawings:
FIGURE 1 is a plan view of the prosthesis of the present invention.
FIG. 2 is a sectional view of the prosthesis taken on the line 22 of FIG. 1.
The prosthesis illustrated in FIG. 1 is a woven collagen fabric. The warp yarns may be an extruded collagen multifilament or monofilament strands obtained by the procedure described U.S. Patent No. 3,114,593. The weft yarns are also collagen multifilament or monofilament. A number of cuts 3 may be made in the fabric parallel either to the warp yarns or to the weft yarns. These cuts are in alignment to permit the collagen tape 4 having a width slightly less than the width of the cut 3 to be laced therethrough. When the collagen tapes are in position they may be moved in a longitudinal direction with respect to the fabric but are restrained from lateral movement.
The collagen tape may be an extruded tape of the type described in U.S. Patent No. 3,114,372.
To avoid cutting the collagen fabric the fabric may be Woven around the collagen tapes 4 or alternatively the fabric may be patternly woven to provide the openings 3 aligned in rank and file to permit lacing therethrough sections of collagen tape 4.
The fabric of the present invention has an open weave (about 15 threads to the inch) and may be generally square in shape. The dimension b may conveniently be 3 centimeters. The dimension a may be 0.7 centimeter and the dimension c may be about 1 centimeter. Since the openings 3 are made wider in the tape 4 the surgeon may remove the tape from the fabric and cut the fabric to any desired size and shape. The tapes may then be reinserted in the openings 3.
The collagen fabric and tapes may be tanned to decrease "ice the rate of absorption in the human body. Suitable tar ning bath for this purpose may contain 1.2% Cr O 0.37 pyrogallol, 0.2% formaldehyde, and have a pH of 3.2 The fabric with the tape in place is immersed in this bat for 3 minutes, and dried for 3 minutes in a current of ai heated to F. It is then sterilized and packaged in sterile condition.
It is an advantage of the collagen prosthesis describe above that it is absorbed and yet will provide wide strengt and support for the membranous urethra. Other advar tages of this device are that it encourages the growt of connective tissue around the membranous urethra an maintains a fixed position during the growth of this cor nective tissue.
The surgical technique for using the device of th present invention has been developed by Drs. R. Veeneni and A. Girgis at Columbia University. In use, the co lagen prosthesis is passed anterior to the bulbar urethr through a perineal approach, the collagen fabric is wrappe around the membranous urethra throughout its enti1 length and the terminal ends of the collagen tapes a1 sutured through the levator ani muscles which then fun tion as a new urinary sphincter to the angulated uret'hr The open weave collagen fabric will encourage and pe mit the growth of connective tissue around the urethi and will gradually be absorbed and replaced by this co] nective tissue. The multiplicity of tapes are for the pu pose of fixing the device in place and to exert tensi-o: backwards and downwards, on the urethra by their a tachment to the lateral extensions of the levator a muscles. These tapes are absorbed at approximately tl same rate as the collagen fabric and will disappear whe no longer needed.
What is claimed is:
1. A surgical prosthesis useful in the surgical corre tion of urinary incontinence comprising a woven collage fabric having several rows of slit-like openings extendir across said fabric, the openings in each row being in alig: ment with each other and parallel to one set of threat forming the fabric; a plurality of collagen tapes, each ha ing a length substantially greater than the distance acro said fabric, each of said tapes being laced through tl openings in one of said rows, whereby the tapes are para lel to each other and may be moved in a direction para lel to said rows but are restrained from lateral movemer References Cited UNITED STATES PATENTS 3,066,667 12/1962 Berry 128 2,143,910 1/1939 Diclusch 128335 2,551,044 5/1951 Ottinger et al. 128389 3,270,742 9/1966 Costa 128-2'.
FOREIGN PATENTS 851,720 10/ 1960 Great Britain.
DALTON L. TRULUCK, Primary Examiner.
3,384,072 Patented May 21, 196E
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