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United States Patent twj

Meyer

[ii] Patent Number: 4,998,527 [45] Date of Patent: Mar. 12, 1991

[54] ENDOSCOPIC ABDOMINAL,

UROLOGICAL, AND GYNECOLOGICAL
TISSUE REMOVING DEVICE

[75] Inventor: William F. Meyer, Walnut, Calif.

[73] Assignee: Percutaneous Technologies Inc., Walnut, Calif.

[21] Appl. No.: 498,946

[22] Filed: Mar. 26,1990

Related U.S. Application Data

[63] Continuation-in-part of Ser. No. 387,577, Jul. 27, 1989, abandoned.

[51] Int. CI.* A61B 1/00

[52] U.S. CI 128/6; 128/4;

604/22; 604/24; 606/46

[58] Field of Search 128/4, 6; 604/22, 24;

606/46, 47

[56] References Cited

U.S. PATENT DOCUMENTS

2,888,928 6/1915 Seiger 606/49 X

3,024,787 3/1962 Birch et al 604/24 X

3,528,424 9/1970 Ayres 606/19

3,618,611 11/1971 Urban 606/170

3,906,955 9/1975 Roberts 604/21 X

3,974,833 8/1976 Durden, III 606/49 X

4,132,227 1/1979 Ibe 128/4

4,146,019 3/1979 Bass 128/6

4,203,444 5/1980 Bonnell 606/170 X

4,550,716 11/1985 Kinoshita 128/6

4,562,838 1/1966 Walker 604/22 X

4,587,957 5/1986 Noguchi et al. .

4,598,710 7/1986 Kleinberg et al 606/170

4,601,284 7/1986 Arakawa et al 128/6

4,607,621 8/1986 Wheeler 128/6

4,625,713 12/1986 Hiraoka 128/4

4,681,561 7/1987 Hood et al 604/22

4,713,051 12/1987 Steppe et al 604/30 X

4,719,914 1/1988 Johnson 606/28

4,750,902 6/1988 Wunchinich et al 604/22

4,756,309 7/1988 Sachse et al 128/6 X

4,844,062 7/1989 Wells 128/6 X

4,865,018 9/1989 Kanno et al 128/6

Primary Examiner—William H. Grieb

[57] ABSTRACT

An endoscopic resecting apparatus views and resects a target tissue. The endoscopic resecting apparatus includes a sleeve, a compartmentalized tube, a visualizing device, an illuminating device, a first resecting mechanism, an irrigating apparatus, an aspirating apparatus, a gas insufflation apparatus, and an apparatus to instill a drug. The compartmentalized tube is disposed in the sleeve and has a first compartment of a first set of dimensions and a second compartment of a second set of dimensions larger than the first set of dimensions. A portion of the visualizing device ,is disposed in the first compartment so that it directly views the target tissue. A portion of the resecting mechanism is disposed in the second compartment so that it resects the target tissue. A portion of the irrigating apparatus is disposed in the first compartment. A portion of the aspirating apparatus is disposed in the second compartment so that it removes the resected target tissue. A portion of the gas insufflation apparatus and the apparatus to instill a drug are disposed in the sleeve. A transducer within the sleeve controls function of the gas insufflation apparatus. The drug instillation apparatus works in conjunction with the gas insufflation apparatus. The visualizing device, illuminating device, first resecting mechanism, irrigating apparatus, and aspirating apparatus are all contained within the same structure in order to function in an integrated and coordinated manner.

15 Claims, 5 Drawing Sheets

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