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US 5,230,704 AGranted
Suction/irrigation instrument having reusable handle with disposable fluid path
AssigneeBiomedical Dynamics Corporation
InventorsJohn R. Moberg, Joseph A. Marino, Matthew E. Bellin
Life of this patent
Estimating the term…
Abstract
A suction/irrigator surgical instrument comprises a replaceable cartridge containing the entirety of the fluid flow path for the instrument and a reusable flow-control member having trigger-actuated levers for selectively opening and occluding a portion of the fluid flow path when the two members are affixed to one another, in piggy-back fashion, to form a pistol-grip for the instrument.
Claims17
A suction/irrigator surgical instrument, comprising:
- (a) a disposable cartridge including:
- (i) a back-up member having first and second ends with an integrally formed tubular barrel at said first end;
- (ii) a flexible, compressible tube means for conveying a fluid therethrough and extending between said first and second ends of said back-up member and abutting said back-up member over a predetermined zone;
- (iii) an elongated, generally rigid tube extending outward of and supported by said tubular barrel;
- (iv) means for coupling said flexible, compressible tube in fluid communication with said generally rigid tube;
- and
- (b) a reusable, flow-control member including:
- (i) a housing having means for receiving and supporting said back-up member and said tubular barrel of said disposable cartridge said housing having at least one aperture through a predetermined surface thereof;
- (ii) lever means pivotally supported on a fulcrum within said housing, said lever means having a first end manually accessible through said aperture in said housing and a second end normally pressing said flexible, compressible tube means against said back-up member in said zone with sufficient force to pinch and occlude said flexible tube means;
- and
- (c) said disposable cartridge and said housing, when joined together, comprising a pistol grip for said rigid tube with said first end of said lever means acting as a trigger, squeezing of said trigger lifting said second end of said lever means so as to no longer pinch and fully occlude said flexible tube means.
8 more elements
A suction/irrigator surgical instrument comprising:
- (a) a disposable cartridge including:
- (i) a back-up member having first and second ends with an integrally formed tubular barrel at said first end thereof;
- (ii) a pair of flexible, compressible tubes extending between said first and second ends of said back-up member and abutting said back-up member over a predetermined zone;
- (iii) an elongated, generally rigid tube extending outward of said tubular barrel;
- (iv) means for coupling said pair of flexible, compressible tubes in fluid communication with said generally rigid tube within said tubular barrel;
- and
- (b) a reusable, fluid-flow control member including:
- (i) a housing having a recess therein for receiving said tubular barrel of said disposable cartridge, said housing having a pair of apertures through a predetermined surface thereof;
- (ii) first and second lever means individually cooperating with said pair of compressible tubes, each lever means pivotally supported on an associated fulcrum within said housing, said first and second lever means each having a first end manually accessible through one of said pair of apertures formed in said housing and a second end normally pressing one of said pair of flexible, compressible tubes against said back-up member in said zone with sufficient force to pinch and occlude said flexible tubes;
- (c) said disposable cartridge and said housing, when fastened together, comprising a pistol grip for said rigid tube with said first end of each of said lever means acting as a trigger, squeezing of either of said triggers lifting said second end of its lever means so as to no longer pinch and fully occlude the one of said pair of flexible, compressible tubes with which it cooperates.
7 more elements
Dependencies are inferred from the claim text.