Pneumatic syringe driver

Details Pneumatic syringe driver Pneumatic syringe driver

2007-03-27

2007-03-27

Lucchesi, Nick (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S070000

Reexamination Certificate

active

10245793

ABSTRACT:
A pneumatic syringe driver having a control module for regulating pressure applied to the plunger of an associated syringe is disclosed. The syringe driver is adapted for receiving a compressed gas canister and for enabling the selective release of gas from the canister into a chamber, one wall of which being formed by the syringe plunger via a three-way valve. The valve also enables the selective venting of gas from the canister into the atmosphere, thereby forming a venturi which reduces the pressure in the chamber and causes the syringe plunger to be withdrawn into the chamber. A pressure sensor in communication with the control module is provided for pressure feedback. Pushbuttons or switches in communication with the control module are provided for defining the syringe driver operation. The device is suited for the selective inflation and deflation of a balloon attached to the syringe driver for a balloon angioplasty procedures.

REFERENCES:
patent: 5064413 (1991-11-01), McKinnon et al.
patent: 5449345 (1995-09-01), Taylor et al.

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