Needle restraining apparatus

Details Needle restraining apparatus Needle restraining apparatus

A - Human Necessities

61

M

128/93

A61M 5/32 (2006.01) A61M 25/01 (2006.01) A61M 25/06 (2006.01) A61M 39/10 (2006.01)

Patent

CA 1083455

Abstract of the Disclosure Needle restraining apparatus is provided which serves to prevent a stylet needle of a venipuncture device which fits telescopically within a catheter of the venipuncture device from longitudinally moving with respect to the catheter during venipuncture. In one embodiment, the needle restraining apparatus provides a collar constructed of heat- shrinkable plastic releasably conforming to a needle hub and the hub of a tube adaptor of the venipuncture device. The collar is shrunk so that the leading and trailing ends of the collar form a non-slip fit over the irregular contour of the hub of the tube adaptor and the hub of the stylet needle. In a second embodiment of the invention, the collar is constructed of rigid plastic and preformed to engage the hub of the tube adaptor of the device and the hub of the stylet needle thereby preventing longitudinal movement of the stylet needle relative to the catheter. Structure is provided whereby the collar can be easily released to permit removal of the stylet needle from the venipuncture device after a venipuncture has been made.

278313

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