Injection assembly for blocking peripheral nerves, for instance

Details Injection assembly for blocking peripheral nerves, for instance Injection assembly for blocking peripheral nerves, for instance

1987-12-28

1989-05-30

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604239, 604283, A01M 500

Patent

active

048347221

ABSTRACT:
An injection device is described for the blocking of peripheral nerves, e.g., for plexus anaesthesia. This injection device has an injection needle of metal which is provided at one end with a needle tip and at the opposite end with a base part for the connection of a syringe. In order in this injection device to largely eliminate the danger of damage to nerve fibers or injury to blood vessels by the injection needle and to permit an additional aid by the positive location of the plexus, the needle tip is formed by a ground surface inclined at an angle of 40.degree. to 60.degree., preferably of 45.degree. to 50.degree., to the cannula axis.

REFERENCES:
patent: 2711733 (1955-06-01), Jacoby Jr.
patent: 3186408 (1965-06-01), Jacob
patent: 3638650 (1972-02-01), Burke et al.
patent: 4296949 (1981-10-01), Muerterties et al.
M. J. Cousins and P. O. Bridenbaugh, "Neural Blockade", 1980, pp. 296-310.

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