Surgery – Instruments – Cutting – puncturing or piercing
Patent
1994-05-04
1996-06-25
Thaler, Michael H.
Surgery
Instruments
Cutting, puncturing or piercing
606180, 604 22, A61B 1732
Patent
active
055295800
ABSTRACT:
A surgical resecting tool (1) whereby a cartilage, cartilage knob or tumor within a body cavity, for example, such articulation cavity as of a knee is resected from outside the body cavity without being incised and is taken out of the body cavity is provided with a rigid outer tube (4) removably provided in the front part of a body part (2) which is also a holding part and has a rotary power source 28. The outer tube (4) is provided with an opening (7) near the front end part and with a curved part 9 in the rear of the opening (7). The outer tube 4 is provided with a cutting part (13) in the front end part and is removably connected in the rear end part to the rotary power source (28) to resect a living body tissue by rotating and driving the cutting part (13). An inner tube (6) having a flexible part (12) at least in the position corresponding to the above mentioned curved part (9 ) is inserted through the outer tube (4).
REFERENCES:
patent: 4512344 (1985-04-01), Barber
patent: 4646738 (1987-03-01), Trott
patent: 4729763 (1988-03-01), Henrie
Hagino Tadao
Kusunoki Hiroyuki
Nakamura Takeaki
Ogawa Mototsugu
Shibuya Shozo
Olympus Optical Co,. Ltd.
Thaler Michael H.
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