Surgery – Instruments – Cutting – puncturing or piercing
Patent
1999-01-21
2000-04-04
Buiz, Michael
Surgery
Instruments
Cutting, puncturing or piercing
606114, A61B 1732
Patent
active
060455667
ABSTRACT:
A morcellater having at least one cutting structure rotatably coupled to a motor mechanism. The cutting structure having a protective structure circumjacent thereto. The protective structure being slidably coupled a housing structure wherein at least a portion of the motor mechanism is located. The invention further including a method of using a morcellater in a body cavity through an incision made therein and wherein the morcellater includes at least one grinding structure, coupled to a motor mechanism, and a protective structure located circumjacent to the grinding mechanism. The protective structure having at least a first end coupled a housing structure wherein at least a portion of the motor mechanism is located and a second free end wherein the grinding structure is generally located. The first end able to freely, upon the application of a predetermined level of pressure to the free end, slide into and out of the housing at least a predetermined distance; the method including. Applying the free end of the protective structure against a target tissue mass. Applying sufficient force to cause the first end to slide into the housing a predetermined distance. Engaging the grinding structure with the target tissue. Actuating the motor mechanism to cause the grinding mechanism to grind up the target tissue sufficiently to allow its removal from the body cavity through the incision.
REFERENCES:
patent: 4611594 (1986-09-01), Grayhack et al.
patent: 5064428 (1991-11-01), Cope et al.
patent: 5190561 (1993-03-01), Graber
Buiz Michael
Truong Kevin
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