Reperfusion device

Details Reperfusion device Reperfusion device

1992-08-04

1998-09-01

Weiss, John G.

Surgery

Blood drawn and replaced or treated and returned to body

604 67, 604101, 604102, 128673, A61M 3700, A61M 2900, A61M 3100

Patent

active

058003746

ABSTRACT:
A reperfusion device draws oxygenated, arterial blood from the patient. This blood is mixed in a mixing container with reperfusion solution. The blood-solution mixture is supplied back to the patient through a catheter and at a place which is upstream from the stenosis being treated. Blood from a blood bank is thus not used. Instead, arterial blood from the patient is used, which is supplied back to the patient immediately after it is prepared with the reperfusion solution. Since the blood leaves the body of the patient for only a short time, damage to the blood is largely avoided. In addition, the pump which supplies the blood-solution mixture to the body of the patient is controlled as a function of the pressure in the blood vessel being treated. The blood pressure is measured for this purpose in the blood vessel, so that very accurate control of the pump is possible.

REFERENCES:
patent: 4610662 (1986-09-01), Weikl et al.
patent: 4648384 (1987-03-01), Schmukler
patent: 4865581 (1989-09-01), Lundquist et al.
patent: 4976692 (1990-12-01), Atad
patent: 5011469 (1991-04-01), Buckberg et al.
patent: 5014715 (1991-05-01), Chapolini

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