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1. WO1992016162 - PROSTHETIC ANAL SPHINCTER

Publication Number WO/1992/016162
Publication Date 01.10.1992
International Application No. PCT/GB1992/000349
International Filing Date 24.02.1992
Chapter 2 Demand Filed 07.10.1992
IPC
A61F 2/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
CPC
A61F 2/004
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
0004Closure means for urethra or rectum, i.e. anti-incontinence devices or support slings against pelvic prolapse
0031for constricting the lumen; Support slings for the urethra
0036implantable
004inflatable
Y10S 128/25
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
128Surgery
25Artificial sphincters and devices for controlling urinary incontinence
Applicants
  • GREATER GLASGOW HEALTH BOARD [GB]/[GB] (AllExceptUS)
  • CARTER, Kenneth, Blackburn [GB]/[GB] (UsOnly)
  • FINLAY, Ian, Gardner [GB]/[GB] (UsOnly)
  • RICHARDSON, William [GB]/[GB] (UsOnly)
Inventors
  • CARTER, Kenneth, Blackburn
  • FINLAY, Ian, Gardner
  • RICHARDSON, William
Agents
  • McCALLUM, William, Potter
Priority Data
9105346.213.03.1991GB
9119685.714.09.1991GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROSTHETIC ANAL SPHINCTER
(FR) PROTHESE DE SPHYNCTER ANAL
Abstract
(EN)
A prosthetic anal sphincter (10, 30) is described which is implantable around the upper anal canal (16) to reproduce the action of the sphincter muscles which maintain continence. This is particularly achieved by inflating tubes (24a, b, c; 32; 54) with liquid from a reservoir and creating an angle about 90° between the rectum (14) and the anal canal (16) and by flattening the upper anal canal, in use, by squeezing the posterior wall of the anal canal against the anterior wall. The bending of the anal canal to create an angle of about 90° is important as it creates a 'flap valve' which resists the weight of solid faeces within the rectum whilst the flattening of the lumen of the canal produces a seal against the leakage of liquid or gas. Embodiments of the invention are described.
(FR)
Prothèse de sphyncter anal (10, 30) destinée à être implantée autour du canal anal supérieur (16) afin de reproduire l'action des sphincters qui maintiennent la continence. Ce résultat est obtenu particulièrement en gonflant des tubes (24a, b, c; 32; 54) à l'aide de liquide venant d'un réservoir, en créant un angle d'environ 90° entre le rectum (14) et le canal anal (16) et en aplatissant le canal anal supérieur, à l'utilisation, par une compression de la paroi postérieure du canal anal contre la paroi antérieure. La flexion du canal anal pour créer un angle d'environ 90° est importante car elle crée une 'soupape à clapet' qui résiste au poids de selles solides dans le rectum, tandis que l'aplatissage de la lumière du canal produit une fermeture étanche qui empêche la fuite de liquide ou de gaz. Des réalisations de ladite invention sont également décrites.
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