Inflation device for angioplasty catheter
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United States of America Patent
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Jul 19, 1988
Issued Date -
N/A
app pub date -
Dec 24, 1986
filing date -
Jul 2, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hand-operated device for inflating the expander on a balloon-type catheter and for perfusing fluids through the catheter and out its distal end. The inflator device comprises a housing containing a relatively large diameter and volume syringe and a relatively small diameter and volume syringe and a three-way valve for selectively controlling the fluid flow from the large syringe into the small syringe, from the large syringe into the lumen of the catheter or from the small syringe into the lumen of the catheter. By incorporating the two syringes in the same housing, a large volume of fluid, such as a radiopaque contrast medium, can be injected through the catheter and out its distal end while the small diameter and volume syringe can be used to pressurize the expander with considerably less effort than if the large diameter syringe had been used.
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