Slotted regional anesthesia needle

Details Slotted regional anesthesia needle Slotted regional anesthesia needle

1997-12-16

1999-12-21

Bockelman, Mark

Surgery

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

Treating material introduced into or removed from body...

604512, 604117, A61M 5178

Patent

active

060042931

ABSTRACT:
A hypodermic needle device for administration of anesthesia to a patient's epidural space comprising a hypodermic needle having a barrel portion with opposed distal and proximal ends, a hub assembly located at the proximal end of the barrel portion of the needle, through which instruments such as a rigid stylet, or a flexible catheter having a pre-affixed connector, may be introduced into the needle, and a slot formed axially along the length of the needle from the distal end through the hub at the proximal end of the needle. The slot has a minimum width dimension not greater than the outer diameter of a stylet or epidural catheter such that during location of the epidural space, and placement of a catheter in the epidural space, the stylet and catheter will not come out of the needle, yet the needle may be easily removed from the catheter once the catheter is in place, by pulling the catheter through the slot in the needle.

REFERENCES:
patent: 3472232 (1969-10-01), Earl
patent: 4354491 (1982-10-01), Marbry
patent: 5322512 (1994-06-01), Mohiuddin
patent: 5425717 (1995-06-01), Mohiuddin
patent: 5853391 (1998-12-01), Bell

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