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1. CA2244930 - LOW PROFILE VALVE AND METHOD OF MAKING

Office
Canada
Application Number 2244930
Application Date 27.01.1997
Publication Number 2244930
Publication Date 07.08.1997
Grant Number
Grant Date 23.12.2003
Publication Kind C
IPC
A61M 25/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
25Catheters; Hollow probes
10Balloon catheters
A61M 25/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
25Catheters; Hollow probes
A61M 25/16
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
25Catheters; Hollow probes
16Making or assembling not otherwise provided for
A61M 29/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
29Dilators with or without means for introducing media, e.g. remedies
02Inflatable dilators; Dilators made of swellable materials
CPC
A61M 25/0075
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
25Catheters; Hollow probes
0067characterised by the distal end, e.g. tips
0074Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
0075Valve means
A61M 25/1027
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
25Catheters; Hollow probes
10Balloon catheters
1027Making of balloon catheters
A61M 25/1036
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
25Catheters; Hollow probes
10Balloon catheters
1027Making of balloon catheters
1036Making parts for balloon catheter systems, e.g. shafts or distal ends
A61M 29/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
29Dilators with or without means for introducing media, e.g. remedies
02Dilators made of swellable material
Applicants SCIMED LIFE SYSTEMS, INC.
Priority Data 08/594,714 31.01.1996 US
08697523 26.08.1996 US
Title
(EN) LOW PROFILE VALVE AND METHOD OF MAKING
(FR) VALVE DE GONFLAGE A SECTION REDUITE
Abstract
(EN)



A low profile inflation valve (10) located inside a balloon catheter that
enables a user to inflate the balloon and exchange other medical apparatus
over the catheter while the balloon remains inflated. The low profile
inflation valve of the present invention includes a first tube (20) having a
lumen (22) and at least one region of decreased inner diameter (24), and a
structure movably located inside the lumen of said first tube, wherein said
region of decreased inner diameter of said first tube forms a seal with a
portion of said structure. The present invention further includes a method of
making a low profile inflation valve (10) using a first and second tube
comprising the steps of creating an aperture in at least one side of a second
tube, placing the second tube inside a first tube, the first tube being made
of thermoplastic material, applying heat to a localized area of the first
tube, and compressing the first tube to form a region of reduced internal
diameter, the reduced diameter forming a seal with the outside diameter of the
second tube.