Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1978-11-01
1981-02-17
Goulkasian, John T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156272, 156289, 156292, 156294, 156359, 156380, 128349B, B29C 2700, B32B 3100, A61H 2500
Patent
active
042513057
ABSTRACT:
A thermoplastic member such as a length of tubing for forming a catheter balloon is positioned on the thermoplastic shaft of a medical device. A length of shrink tubing is placed over each end of the balloon tubing and adjoins a portion of the shaft. Each length of shrink tubing may then be preshrunk to maintain its position. The shaft, balloon tubing, and shrink tubing are then inserted in an apparatus capable of supplying radiant heat in a narrow annular band. The apparatus automatically positions each portion of the shaft and balloon tubing covered by shrink tubing at a location at which it will intercept the narrow annular band of radiant heat. Radiant heat is supplied by the apparatus to cause further shrinkage of the shrink tubing and to seal the balloon tubing onto the shaft. The shrink tubing may be removed to complete the assembly of a balloon catheter. It is preferred that the shrink tubing be tinted so as to enhance the seal formed between the balloon tubing and the shaft.
REFERENCES:
patent: 3528869 (1970-09-01), Dereniuk
patent: 3625793 (1971-12-01), Sheridan et al.
patent: 3694280 (1972-09-01), Hoef
patent: 3832253 (1974-08-01), Di Palma et al.
patent: 3850720 (1974-11-01), Collins
patent: 4025378 (1977-05-01), Amsden et al.
patent: 4154244 (1979-05-01), Becker et al.
patent: 4198983 (1980-04-01), Becker et al.
Becker Lawrence F.
Cobean Richard W.
Baxter Travenol Laboratories Inc.
Caruso John A.
Cummings Eugene M.
Flattery Paul C.
Goulkasian John T.
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