Co-aptive instruments with non-slip surfaces and method for thei

Details Co-aptive instruments with non-slip surfaces and method for thei Co-aptive instruments with non-slip surfaces and method for thei

1989-07-31

1991-08-06

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

Hand tool

76DIG12, B21K 500, B25B 702

Patent

active

050367331

ABSTRACT:
A co-aptive surgical instrument has a pair of opposite facing co-aptive surfaces for grasping tissue. The co-aptive surfaces are formed with a matrix layer which is preferably of a metal such as nickel with a plurality of hard crystalline particles which are preferably a diamond grit which is captured in the matrix. To insure sufficient capture of the particles in the matrix so as to avoid loss of particles while at the same time providing the maximum possible protrusion of the particles and maximum coverage of the surface by such particles, the particles are oriented in juxtaposition to evenly cover the surface and the matrix is made to have a depth which is at least fifty percent of the average diameter of the particles.

REFERENCES:
patent: 2743726 (1956-05-01), Grieshaber
patent: 3273933 (1966-09-01), Jochim
patent: 3957298 (1976-05-01), Purchase
patent: 4778730 (1988-10-01), Zucker
Ross, J. Cosbie, "New Inventions: Diathermy Hemostats for Prostatectolmy", The Lancet, Feb. 11, 1956, p. 268.

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