US3810471A - Surgical aspirating cannula - Google Patents
Surgical aspirating cannula Download PDFInfo
- Publication number
- US3810471A US3810471A US00236947A US23694772A US3810471A US 3810471 A US3810471 A US 3810471A US 00236947 A US00236947 A US 00236947A US 23694772 A US23694772 A US 23694772A US 3810471 A US3810471 A US 3810471A
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- US
- United States
- Prior art keywords
- cannula
- aspirating
- surgical
- surgical site
- zone
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S604/00—Surgery
- Y10S604/902—Suction wands
Definitions
- This invention relates to an improved surgical instrument and in particular to an aspirating or draining device for use during surgical procedures wherein means are provided to direct a contamination-free pressure fluid to the zone of the aspirating or draining tip of the device to thereby reduce to aminimum the introduction of contaminating gaseous and particulate matter into the surgical site.
- aspirating or draining cannulae comprises accepted surgical procedures in the treatment of wounds and during and following surgery, particularly in the cavity areas of a being. It has been found, however, that the operation of conventional aspirating devices causes the in-flow of the surrounding, often contaminated atmosphere, together with contaminated particulate material suspended in the atmosphere.
- FIG. 1 is a fragmentary partial sectional view of an embodiment of the present invention
- FIG. 2 is a section on line 2-2 of FIG. ll;
- FIG. 3 is a fragmentary sectional view ofa portion of the structures illustrated in FIG. 1;
- FIG. 4 is a diagrammatic illustration of a use 'of the improved aspirating or drainage cannula of the invention.
- the improved aspirating or drainage surgical cannula of the invention which generally'comprises a first cannula l2 and a second cannula l4 maintained in the proximity of the first cannula 12.
- Each of the elements 12 and I4 is constructed of, for example, stainless steel where the device is manufactured for multiple use requiring sterilization between uses.
- the cannulae may also be constructed of plastic material and be disposed of after a single use.
- Cannula 12 is open at end 16 and is provided at the opposite end 18 with a fitting adapted to receive a flexible tube 20 having its extended end connected to. a source of reduced pressure as is well known in the art. Between fitting l8 and the open end 16, the cannula 12 may be provided with a manual control valve generally designated 22 whereby the surgeon or his assistant may regulate the aspirating affect of the device.
- the second cannula 14, in the illustrated form of the invention, has a greater diameter than the first cannula 12 and the cannula I2 is internally received in the lumen 24 thereof.
- the upper end 26 of cannula 14 forms a seal about the external surface of the cannula l2 and a similar seal may be provided at end 28 adjacent the open end 16 of tube 12.
- an inlet conduit 30 communicates with the lumen 24 of cannula 14.
- the extended end of conduit 30 is provided with a fitting 32, adapted to be connected to a source of pressure fluid as to be more fully described hereinafter.
- the conduit 30 is also provided with a manual flow control valve 34 whereby the surgeon may adjust the release of the pressure fluid about the surgical site.
- the cannula 14 is provided with a number'of bores or openings designated 36a, 12 g, which permit the flow of pressure gas, from within the tubular member, about the zone of the outlet tip 16 of cannula 12 and about an extended zone adjacent thereto.
- the flow of gases is diagrammatically illustrated by flow arrows A in, for example, FIGS. 1 and 4.
- the openings 36a through 36g progressively vary in area from the largest adjacent .the tip 16 to the smallest designated 36g as it has been found that such progressive size openings provide a more desired flow pattern for the contamination-free gases.
- inlet fitting 32 receives one end of a' flexible conduit 38 having its opposite end connected to a source of contamination-free pressure gas generally designated 40.
- the reference character 40 may designate bottled nitrogen, CO orcompressed contamination-free and sterol air.
- humidifying means 42 may be connected via conduit 44 to the source of pressurized gas 40 and, as hereinbefore set forth, antiseptic fluids may be directed into the pressure gas directed into the space 24 between the pair of cannulae.
- FIG. 4 there is diagrammatically illustrated use of the improved surgical aspirating device to remove blood and body fluids from the operating site generally designated 50.
- the tip 16 of the suction cannula 12 is illustrated within the incision and in close proximity to the surgicalknife 54 and the lowermost of the pressure fluid outlets 36a also being shown below the outer surface 52 of the patient.
- the pressure of the pressure fluid being supplied to the cannula 14 need only be slightly positive in respect to the environmental pressure and an operating range of, for example, one to about ten psig hasbeen found to be useful.
- aspirating cannula 12 when not needed, may be inactivated by closing valve 22 and the device may continue to be used to supply contamination free gas about the surgical site.
- the device lends itself to a construction wherein the outer cannula 14 is in whole or in part formed of porous metal, glass or plastic as a replacement for the tube with discrete openings 36a g, formed therein.
- a surgical aspirating or draining device comprising a first aspirating cannula, means connecting one end of said first cannula to a source of reduced pressure, the other end of said aspirating cannula being open to its environment at a surgical site, a second cannula fixed relative to the first cannula in substantially parallel relationship therewith, means connecting one end of the second cannula to a source of pressurized contamination-free gas at a pressure greater than the pressure of the environment of the open end of the first aspirating cannula, a plurality of outlets for the pressurized gas.
- At least one of the outlets being adjacent the zone of the surgical site of the open end of the first cannula whereby the zone of aspiration of said first aspirating cannula is bathed in gas issuing from said second cannula to thereby reduce introduction of contaminated particulate and gaseous matter into the surgical site.
- a surgical aspirating or draining device comprising a first aspirating cannula, means connecting one end of 5 jacent the zone of the environment of the surgical 'site of the open end of the first cannula whereby the zone of aspiration of said first aspirating cannula is bathed in gas issuing from said second cannula to thereby reduce introduction of contaminated particulate and gaseous matter into the surgical site, the first and second cannulae having concentric bores.
Abstract
A surgical aspirating or draining device having means maintaining a zone of contamination free gas about the surgical site to reduce a minimum introduction of contaminated particulate and gaseous matter into the surgical site, cavity or wound.
Description
1Jnited States Patent [191 Truhan SURGICAL ASPIRATING CANNULA [76] Inventor: Andrew Truhan, RD. 3, Box 392T,
Somerset, NJ. 08873 [22] Filed: Mar. 22, 1972 211 App]. No.: 236,947
[52] US. Cl. 128/276, 128/184 [51] Int. Cl A61m l/00 [58] Field of Search 128/276-278, 128/240-241, 350, 184
[56] References Cited UNITED STATES PATENTS 3,702,115 11/1972 Elcaness 128/276 3,610,238 10/1971 Rich, Jr,
Sokolik 128/240 2,804,075 8/1957 Borden 128/277 3,085,573 4/1963 Meyer et a1 128/240 3,142,298 7/1964 Koski et a1.... 128/276 3,426,759 2/1969 Smith 128/276 3,528,427 9/1970 Sheridan et a1... 128/276 3,636,940 l/1972 Gravlee 128/2 Primary Examiner-Charles F. Rosenbaum Attorney, Agent, or FirmHar0ld L. Stowell [5 7 ABSTRACT A surgical aspirating or draining device having means maintaining a zone of contamination free gas about the surgical site to reduce a minimum introduction of contaminated particulate and gaseous matter into the surgical site, cavity or wound.
3 Claims, 4 Drawing Figures SURGICAL ASPIRATING CANNIULA THE INVENTION This inventionrelates to an improved surgical instrument and in particular to an aspirating or draining device for use during surgical procedures wherein means are provided to direct a contamination-free pressure fluid to the zone of the aspirating or draining tip of the device to thereby reduce to aminimum the introduction of contaminating gaseous and particulate matter into the surgical site.
The use of a aspirating or draining cannulae comprises accepted surgical procedures in the treatment of wounds and during and following surgery, particularly in the cavity areas of a being. It has been found, however, that the operation of conventional aspirating devices causes the in-flow of the surrounding, often contaminated atmosphere, together with contaminated particulate material suspended in the atmosphere.
It is a primary object of the present invention to provide a device which will permit operation of aspirating or drainage devices with a minimum of environmental contamination'of the surgical site.
It is a further object of the present invention to provide such a device wherein at least the zone of the aspirating or drainage tip of the drainage cannula is continuously provided with a sterile, particle free gas, atmosphere, gas and humidifying liquid, or gas and suspended antiseptic or combinations thereof.
The invention will be more particularly described in reference to the accompanying drawings wherein:
FIG. 1 is a fragmentary partial sectional view of an embodiment of the present invention;
FIG. 2 is a section on line 2-2 of FIG. ll;
FIG. 3 is a fragmentary sectional view ofa portion of the structures illustrated in FIG. 1; and,
FIG. 4 is a diagrammatic illustration of a use 'of the improved aspirating or drainage cannula of the invention.
Referring to the drawings, generally designates the improved aspirating or drainage surgical cannula of the invention which generally'comprises a first cannula l2 and a second cannula l4 maintained in the proximity of the first cannula 12. Each of the elements 12 and I4 is constructed of, for example, stainless steel where the device is manufactured for multiple use requiring sterilization between uses. The cannulae may also be constructed of plastic material and be disposed of after a single use.
Cannula 12 is open at end 16 and is provided at the opposite end 18 with a fitting adapted to receive a flexible tube 20 having its extended end connected to. a source of reduced pressure as is well known in the art. Between fitting l8 and the open end 16, the cannula 12 may be provided with a manual control valve generally designated 22 whereby the surgeon or his assistant may regulate the aspirating affect of the device.
The second cannula 14, in the illustrated form of the invention, has a greater diameter than the first cannula 12 and the cannula I2 is internally received in the lumen 24 thereof. The upper end 26 of cannula 14 forms a seal about the external surface of the cannula l2 and a similar seal may be provided at end 28 adjacent the open end 16 of tube 12. Between ends 26 and 28 an inlet conduit 30 communicates with the lumen 24 of cannula 14. The extended end of conduit 30 is provided with a fitting 32, adapted to be connected to a source of pressure fluid as to be more fully described hereinafter.
The conduit 30 is also provided with a manual flow control valve 34 whereby the surgeon may adjust the release of the pressure fluid about the surgical site.
The cannula 14 is provided with a number'of bores or openings designated 36a, 12 g, which permit the flow of pressure gas, from within the tubular member, about the zone of the outlet tip 16 of cannula 12 and about an extended zone adjacent thereto. The flow of gases is diagrammatically illustrated by flow arrows A in, for example, FIGS. 1 and 4. In the illustrated embodiment of the invention, the openings 36a through 36g progressively vary in area from the largest adjacent .the tip 16 to the smallest designated 36g as it has been found that such progressive size openings provide a more desired flow pattern for the contamination-free gases.
As hereinbefore discussed, inlet fitting 32 receives one end of a' flexible conduit 38 having its opposite end connected to a source of contamination-free pressure gas generally designated 40. The reference character 40 may designate bottled nitrogen, CO orcompressed contamination-free and sterol air. In order to reduce fluid losses during operating procedures, humidifying means 42 may be connected via conduit 44 to the source of pressurized gas 40 and, as hereinbefore set forth, antiseptic fluids may be directed into the pressure gas directed into the space 24 between the pair of cannulae.
Referring to FIG. 4, there is diagrammatically illustrated use of the improved surgical aspirating device to remove blood and body fluids from the operating site generally designated 50. In FIG. 4, the tip 16 of the suction cannula 12 is illustrated within the incision and in close proximity to the surgicalknife 54 and the lowermost of the pressure fluid outlets 36a also being shown below the outer surface 52 of the patient.
In general, it has been found that the pressure of the pressure fluid being supplied to the cannula 14 need only be slightly positive in respect to the environmental pressure and an operating range of, for example, one to about ten psig hasbeen found to be useful.
It will be appreciated that aspirating cannula 12, when not needed, may be inactivated by closing valve 22 and the device may continue to be used to supply contamination free gas about the surgical site. Further, the device lends itself to a construction wherein the outer cannula 14 is in whole or in part formed of porous metal, glass or plastic as a replacement for the tube with discrete openings 36a g, formed therein.
I claim:
1. A surgical aspirating or draining device comprising a first aspirating cannula, means connecting one end of said first cannula to a source of reduced pressure, the other end of said aspirating cannula being open to its environment at a surgical site, a second cannula fixed relative to the first cannula in substantially parallel relationship therewith, means connecting one end of the second cannula to a source of pressurized contamination-free gas at a pressure greater than the pressure of the environment of the open end of the first aspirating cannula, a plurality of outlets for the pressurized gas. at least one of the outlets being adjacent the zone of the surgical site of the open end of the first cannula whereby the zone of aspiration of said first aspirating cannula is bathed in gas issuing from said second cannula to thereby reduce introduction of contaminated particulate and gaseous matter into the surgical site.
2. A surgical aspirating or draining device comprising a first aspirating cannula, means connecting one end of 5 jacent the zone of the environment of the surgical 'site of the open end of the first cannula whereby the zone of aspiration of said first aspirating cannula is bathed in gas issuing from said second cannula to thereby reduce introduction of contaminated particulate and gaseous matter into the surgical site, the first and second cannulae having concentric bores.
3. A surgical aspirating or draining device as defined in claim 1 wherein the area of the outlets in the second cannula progressively decrease in size from adjacent the open end of the first cannula toward said one end thereof.
Claims (3)
1. A surgical aspirating or draining device comprising a first aspirating cannula, means connecting one end of said first cannula to a source of reduced pressure, the other end of said aspirating cannula being open to its environment at a surgical site, a second cannula fixed relative to the first cannula in substantially parallel relationship therewith, means connecting one end of the second cannula to a source of pressurized contamination-free gas at a pressure greater than the pressure of the environment of the open end of the first aspirating cannula, a plurality of outlets for the pressurized gas, at least one of the outlets being adjacent the zone of the surgical site of the open end of the first cannula whereby the zone of aspiration of said first aspirating cannula is bathed in gas issuing from said second cannula to thereby reduce introduction of contaminated particulate and gaseous matter into the surgical site.
2. A surgical aspirating or draining device comprising a first aspirating cannula, means connecting one end of said first cannula to a source of reduced pressure, the otheR end of said aspirating cannula being open to its environment at a surgical site, a second cannula maintained in proximity to the first cannula, means connecting one end of the second cannula to a source of pressurized contamination-free gas at a pressure greater than the pressure of the environment of the open end of the first aspirating cannula, a plurality of outlets for the pressurized gas, at least one of the outlets being adjacent the zone of the environment of the surgical site of the open end of the first cannula whereby the zone of aspiration of said first aspirating cannula is bathed in gas issuing from said second cannula to thereby reduce introduction of contaminated particulate and gaseous matter into the surgical site, the first and second cannulae having concentric bores.
3. A surgical aspirating or draining device as defined in claim 1 wherein the area of the outlets in the second cannula progressively decrease in size from adjacent the open end of the first cannula toward said one end thereof.
Priority Applications (1)
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US00236947A US3810471A (en) | 1972-03-22 | 1972-03-22 | Surgical aspirating cannula |
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Application Number | Priority Date | Filing Date | Title |
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US00236947A US3810471A (en) | 1972-03-22 | 1972-03-22 | Surgical aspirating cannula |
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US3810471A true US3810471A (en) | 1974-05-14 |
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US00236947A Expired - Lifetime US3810471A (en) | 1972-03-22 | 1972-03-22 | Surgical aspirating cannula |
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Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3965901A (en) * | 1974-10-03 | 1976-06-29 | American Hospital Supply Corporation | Suction catheter |
US4014333A (en) * | 1975-09-22 | 1977-03-29 | Mcintyre David J | Instrument for aspirating and irrigating during ophthalmic surgery |
US4212300A (en) * | 1978-02-06 | 1980-07-15 | Meals Roy A | Rubber band powered piston valve aspirator |
US4642092A (en) * | 1984-12-10 | 1987-02-10 | Gerald Moss | Gastrointestinal aspirating device with suction breakers |
US4735606A (en) * | 1982-10-12 | 1988-04-05 | Sherwood Medical Company | Chest drainage apparatus |
US5084013A (en) * | 1989-01-13 | 1992-01-28 | Haruo Takase | Suction tube for use in surgical operation |
US5181908A (en) * | 1990-12-07 | 1993-01-26 | Smiths Industries Medical Systems Inc. | Method and apparatus for lavaging with oxygenated irrigating fluid while suctioning |
US5236414A (en) * | 1991-04-19 | 1993-08-17 | Katsuya Takasu | Fat sucking apparatus |
US5248297A (en) * | 1992-02-26 | 1993-09-28 | Haruo Takase | Suction tube for use in surgical operation |
US5370610A (en) * | 1993-02-09 | 1994-12-06 | Reynolds; James R. | Surgical drainage tube system |
US5542929A (en) * | 1990-01-27 | 1996-08-06 | Laabs; Walter | Suction device for medical use |
US5573504A (en) * | 1990-01-26 | 1996-11-12 | C. R. Bard, Inc. | Composite irrigation and suction probe and valve |
US5578000A (en) * | 1993-01-21 | 1996-11-26 | Stackhouse, Inc. | Laparoscopic smoke evacuation system |
US5605537A (en) * | 1994-08-08 | 1997-02-25 | Ivey; Jack L. | Endoscopic device |
WO2001008573A3 (en) * | 1999-07-30 | 2001-09-20 | Douglas E Ott | Perforated trocar sleeve and method of use |
US20030216710A1 (en) * | 2002-03-26 | 2003-11-20 | Hurt Robert F. | Catheter |
US6733479B1 (en) | 1999-07-30 | 2004-05-11 | Douglas E. Ott | Perforated trocar sleeve and method of use |
US20040122381A1 (en) * | 2002-11-06 | 2004-06-24 | A.M.I. (Agency For Medical Innovations Gmbh) | Medical flushing and suctioning device |
US20060122575A1 (en) * | 2002-06-11 | 2006-06-08 | Akio Wakabayashi | System and efficient drainage of body cavity |
US20070106234A1 (en) * | 2003-05-21 | 2007-05-10 | Klein Jeffrey A | Infiltration cannula |
US20090163893A1 (en) * | 2003-06-05 | 2009-06-25 | Js Vascular, Inc. | Surgical drains |
US20100145261A1 (en) * | 2005-02-15 | 2010-06-10 | Ott Douglas E | Trocar sleeve |
RU2557427C1 (en) * | 2014-01-09 | 2015-07-20 | Общество с ограниченной ответственностью "СКБМТ Инжиниринг" | Draining device |
WO2016133889A1 (en) * | 2015-02-16 | 2016-08-25 | Kirn Medical Design, Llc | Surgical drain system with interchangeable attachments |
US20160303310A1 (en) * | 2015-04-17 | 2016-10-20 | ShineIN Biotechnology Co., Ltd. | Suction-irrigation head |
US9694166B2 (en) | 2002-03-26 | 2017-07-04 | Medtronics Ps Medical, Inc. | Method of draining cerebrospinal fluid |
US20200206470A1 (en) * | 2015-07-20 | 2020-07-02 | Strataca Systems Limited | Ureteral and Bladder Catheters and Methods of Inducing Negative Pressure to Increase Renal Perfusion |
US10898697B2 (en) | 2017-10-05 | 2021-01-26 | Kirn Medical Design, Llc | Male insert for draining fluid from a patient |
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US2568566A (en) * | 1946-05-06 | 1951-09-18 | Sokolik Edward | Surgical therapeutic appliance |
US2804075A (en) * | 1955-11-14 | 1957-08-27 | Ruth O Borden | Non-clogging surgical aspirator |
US3085573A (en) * | 1960-03-15 | 1963-04-16 | Jerome H Meyer | Cleansing apparatus |
US3142298A (en) * | 1962-01-29 | 1964-07-28 | William L Koski | Stomach pump apparatus |
US3426759A (en) * | 1966-04-04 | 1969-02-11 | Davol Inc | Abdominal suction drainage tube |
US3528427A (en) * | 1967-09-26 | 1970-09-15 | Sherwood Medical Ind Inc | Poole suction catheter |
US3610238A (en) * | 1970-04-28 | 1971-10-05 | Us Health Education & Welfare | Wound infection prevention device |
US3636940A (en) * | 1967-12-07 | 1972-01-25 | Leland C Gravlee | Method for collecting cellular material by circulating a fluid within a body cavity |
US3702115A (en) * | 1970-08-07 | 1972-11-07 | Harold Elcaness | Device for suctioning |
-
1972
- 1972-03-22 US US00236947A patent/US3810471A/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US2568566A (en) * | 1946-05-06 | 1951-09-18 | Sokolik Edward | Surgical therapeutic appliance |
US2804075A (en) * | 1955-11-14 | 1957-08-27 | Ruth O Borden | Non-clogging surgical aspirator |
US3085573A (en) * | 1960-03-15 | 1963-04-16 | Jerome H Meyer | Cleansing apparatus |
US3142298A (en) * | 1962-01-29 | 1964-07-28 | William L Koski | Stomach pump apparatus |
US3426759A (en) * | 1966-04-04 | 1969-02-11 | Davol Inc | Abdominal suction drainage tube |
US3528427A (en) * | 1967-09-26 | 1970-09-15 | Sherwood Medical Ind Inc | Poole suction catheter |
US3636940A (en) * | 1967-12-07 | 1972-01-25 | Leland C Gravlee | Method for collecting cellular material by circulating a fluid within a body cavity |
US3610238A (en) * | 1970-04-28 | 1971-10-05 | Us Health Education & Welfare | Wound infection prevention device |
US3702115A (en) * | 1970-08-07 | 1972-11-07 | Harold Elcaness | Device for suctioning |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3965901A (en) * | 1974-10-03 | 1976-06-29 | American Hospital Supply Corporation | Suction catheter |
US4014333A (en) * | 1975-09-22 | 1977-03-29 | Mcintyre David J | Instrument for aspirating and irrigating during ophthalmic surgery |
US4212300A (en) * | 1978-02-06 | 1980-07-15 | Meals Roy A | Rubber band powered piston valve aspirator |
US4735606A (en) * | 1982-10-12 | 1988-04-05 | Sherwood Medical Company | Chest drainage apparatus |
US4642092A (en) * | 1984-12-10 | 1987-02-10 | Gerald Moss | Gastrointestinal aspirating device with suction breakers |
US5084013A (en) * | 1989-01-13 | 1992-01-28 | Haruo Takase | Suction tube for use in surgical operation |
US5573504A (en) * | 1990-01-26 | 1996-11-12 | C. R. Bard, Inc. | Composite irrigation and suction probe and valve |
US5542929A (en) * | 1990-01-27 | 1996-08-06 | Laabs; Walter | Suction device for medical use |
US5181908A (en) * | 1990-12-07 | 1993-01-26 | Smiths Industries Medical Systems Inc. | Method and apparatus for lavaging with oxygenated irrigating fluid while suctioning |
US5236414A (en) * | 1991-04-19 | 1993-08-17 | Katsuya Takasu | Fat sucking apparatus |
US5248297A (en) * | 1992-02-26 | 1993-09-28 | Haruo Takase | Suction tube for use in surgical operation |
US5578000A (en) * | 1993-01-21 | 1996-11-26 | Stackhouse, Inc. | Laparoscopic smoke evacuation system |
US5370610A (en) * | 1993-02-09 | 1994-12-06 | Reynolds; James R. | Surgical drainage tube system |
US5605537A (en) * | 1994-08-08 | 1997-02-25 | Ivey; Jack L. | Endoscopic device |
WO2001008573A3 (en) * | 1999-07-30 | 2001-09-20 | Douglas E Ott | Perforated trocar sleeve and method of use |
US6733479B1 (en) | 1999-07-30 | 2004-05-11 | Douglas E. Ott | Perforated trocar sleeve and method of use |
US20030216710A1 (en) * | 2002-03-26 | 2003-11-20 | Hurt Robert F. | Catheter |
US9694166B2 (en) | 2002-03-26 | 2017-07-04 | Medtronics Ps Medical, Inc. | Method of draining cerebrospinal fluid |
US20070142817A1 (en) * | 2002-03-26 | 2007-06-21 | Medtronic Ps Medical, Inc. | Catheter |
US20060122575A1 (en) * | 2002-06-11 | 2006-06-08 | Akio Wakabayashi | System and efficient drainage of body cavity |
US8439893B2 (en) * | 2002-06-11 | 2013-05-14 | Medela Holding Ag | System and method for efficient drainage of body cavity |
US20040122381A1 (en) * | 2002-11-06 | 2004-06-24 | A.M.I. (Agency For Medical Innovations Gmbh) | Medical flushing and suctioning device |
US20070106234A1 (en) * | 2003-05-21 | 2007-05-10 | Klein Jeffrey A | Infiltration cannula |
US7914504B2 (en) * | 2003-05-21 | 2011-03-29 | Klein Jeffrey A | Infiltration cannula |
US20090163893A1 (en) * | 2003-06-05 | 2009-06-25 | Js Vascular, Inc. | Surgical drains |
US9199046B2 (en) * | 2005-02-15 | 2015-12-01 | Lexion Medical, Llc | Trocar sleeve |
US20150265785A1 (en) * | 2005-02-15 | 2015-09-24 | Douglas E. Ott | Trocar sleeve |
US20140296635A1 (en) * | 2005-02-15 | 2014-10-02 | Douglas E. Ott | Trocar sleeve |
US20160038694A1 (en) * | 2005-02-15 | 2016-02-11 | Douglas E. Ott | Trocar sleeve |
US9566401B2 (en) * | 2005-02-15 | 2017-02-14 | Douglas E. Ott | Trocar sleeve |
US20100145261A1 (en) * | 2005-02-15 | 2010-06-10 | Ott Douglas E | Trocar sleeve |
US10195371B2 (en) * | 2005-02-15 | 2019-02-05 | Lexion Medical Llc | Trocar sleeve |
RU2557427C1 (en) * | 2014-01-09 | 2015-07-20 | Общество с ограниченной ответственностью "СКБМТ Инжиниринг" | Draining device |
WO2016133889A1 (en) * | 2015-02-16 | 2016-08-25 | Kirn Medical Design, Llc | Surgical drain system with interchangeable attachments |
US20160303310A1 (en) * | 2015-04-17 | 2016-10-20 | ShineIN Biotechnology Co., Ltd. | Suction-irrigation head |
US20200206470A1 (en) * | 2015-07-20 | 2020-07-02 | Strataca Systems Limited | Ureteral and Bladder Catheters and Methods of Inducing Negative Pressure to Increase Renal Perfusion |
US10898697B2 (en) | 2017-10-05 | 2021-01-26 | Kirn Medical Design, Llc | Male insert for draining fluid from a patient |
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