Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1995-12-08
1998-10-06
Bockelman, Mark
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604264, 604164, 128772, A61M 3100
Patent
active
058170537
ABSTRACT:
The present invention pertains to guide catheter exchange devices for exchanging a guide catheter advanced over a balloon catheter and a coronary guide wire without removing the coronary guide wire in percutaneous transluminal coronary angioplasty. In one embodiment, the invention pertains to a guide catheter exchange device for exchanging a guide catheter employed by a over-the-wire balloon catheter. In this embodiment, the exchange device comprises Section 1, Section 2, and a connecting device for connecting Section 1 and Section 2. Section 1 is a hollow wire having a soft tip, an inner diameter from about 0.012 inches to about 0.020 inches, an outer diameter from about 0.030 inches to about 0.040 inches, and a length from about 120 centimeters to about 160 centimeters. Section 2 is a hollow coiled wire having an inner diameter from about 0.012 inches to about 0.020 inches, an outer diameter from about 0.030 inches to about 0.040 inches, and a length from about 120 centimeters to about 160 centimeters. In another embodiment, the invention pertains to a guide catheter exchange device for exchanging a guide catheter employed by a monorail balloon catheter. In this embodiment, the exchange device comprises a wire having a length from about 200 centimeters to about 240 centimeters and an outer diameter from about 0.030 inches to about 0.040 inches. The distal end of the exchange device is hollow, has a length from about 40 centimeters to about 60 centimeters, an inner diameter from about 0.012 inches to about 0.020 inches, and a side hole from about 40 centimeters to about 60 centimeters from the distal end of the exchange device through which the coronary guide wire may pass. The proximal end of the exchange device is hollow or solid, has an outer diameter from about 0.030 inches to about 0.040 inches, and a length from about 150 centimeters to about 200 centimeters. The present invention also pertains to methods for using the guide catheter exchange devices of the present invention.
REFERENCES:
patent: 5571094 (1996-11-01), Sirhan
Bockelman Mark
Gring N. Kent
Muccino Richard R.
University of Medicine & Dentistry of NJ
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