Shear force gauge

Details Shear force gauge Shear force gauge

1988-01-13

1989-04-11

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

128774, 7386239, A61M 2500

Patent

active

048202835

ABSTRACT:
A device for use in withdrawing a catheter such as a balloon catheter from a vessel in the vascular system in order to inhibit damage to the vessel wall includes an assembly defining a passageway through which to pass the catheter. The assembly is dimensioned and arranged to be grasped by a user, and it includes components for coupling the assembly to the catheter so that the user can withdraw the catheter from the vessel by moving the assembly generally axially. The coupling components are adjustable to enable the user to select a desired maximum amount of force that can be coupled from the assembly to the catheter, and for this purpose one embodiment includes a cap-and-compressible-disk arrangement on a body member in which a spring-coupled handle member is telescopingly disposed, graduations along the handle member providing a visually discernible indication of relative handle member position and therefore of the magnitude of a force being coupled by the user to the assembly.

REFERENCES:
patent: 42801 (1864-05-01), Sleppy
patent: 326067 (1885-09-01), Sturtevant
patent: 3693418 (1972-09-01), Kaspareck
patent: 4351341 (1982-09-01), Goldberg et al.
patent: 4370982 (1983-02-01), Reilly
patent: 4614188 (1986-09-01), Bazell et al.
patent: 4721507 (1988-01-01), Chin

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