Microfabricated therapeutic actuator mechanisms

Details Microfabricated therapeutic actuator mechanisms Microfabricated therapeutic actuator mechanisms

1995-05-22

1997-07-08

Buiz, Michael Powell

Surgery

Instruments

Forceps

606206, 606207, 128751, A61B 1728

Patent

active

056455640

ABSTRACT:
Electromechanical microstructures (microgrippers), either integrated circuit (IC) silicon-based or precision machined, to extend and improve the application of catheter-based interventional therapies for the repair of aneurysms in the brain or other interventional clinical therapies. These micromechanisms can be specifically applied to release platinum coils or other materials into bulging portions of the blood vessels also known as aneurysms. The "micro" size of the release mechanism is necessary since the brain vessels are the smallest in the body. Through a catheter more than one meter long, the micromechanism located at one end of the catheter can be manipulated from the other end thereof. The microgripper (micromechanism) of the invention will also find applications in non-medical areas where a remotely actuated microgripper or similar actuator would be useful or where micro-assembling is needed.

REFERENCES:
patent: 4666198 (1987-05-01), Heiserman
patent: 4976718 (1990-12-01), Daniell
patent: 5002323 (1991-03-01), Idsund
patent: 5046773 (1991-09-01), Modesitt
patent: 5254130 (1993-10-01), Poncet et al.
patent: 5458387 (1995-10-01), Conway et al.

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