US2082782A - Vacuum tenaculum - Google Patents

Vacuum tenaculum Download PDF

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US2082782A
US2082782A US43309A US4330935A US2082782A US 2082782 A US2082782 A US 2082782A US 43309 A US43309 A US 43309A US 4330935 A US4330935 A US 4330935A US 2082782 A US2082782 A US 2082782A
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tubes
tenaculum
vacuum
extremities
plane
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Alfred G Allen
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • A61B2017/306—Surgical pincettes without pivotal connections holding by means of suction

Definitions

  • This invention relates to a surgical instrument for seizing and holding parts and other operations where the usual tenaculum is employed. It is more particularly designed for uterine operations.
  • the usual tenaculum employed for this purpose consists of a sharpened hook which is hooked into the flesh to give the desired traction upon the part being operatedon.
  • the hook will often tear through the part wounding the patient and interlO fering with the operation. Roughened surfaces have been employed on tenaculums of the forcep type to obviate the damage done by teeth.
  • the principal object of this invention is to provide a tenaculum which can be employed for both tractive and dilative purposes without injury to 20 the tissues.
  • Another object of the invention is to provide means for causing the tenaculum to attach itself to the tissues with a tenacity sufficient to give an exceedingly strong traction without damage to the 2:5 tissues and which will not injure the patient,
  • a further object is to provide a construction which will enable a vacuum to be effectively employed for attaching operating instruments to the 30 tissues. While the vacuum principle is exceedingly valuable in a tenaculum, it is not, of course limited to this particular use, but can be also employed on certain types of dilators, elevating forceps, retractors, etc.
  • a still further object is to provide means on a vacuum tenaculum for supporting and guiding operating instruments, illuminating lamp tubes, etc.
  • de- 40 tail construction of the invention which is designed for simplicity, economy, and efficiency.
  • Fig. 1 illustrates a side view of the improved vacuum tenaculum.
  • Fig. 2 is anedge view thereof.
  • Fig. 3 is an end view of the operating extremity, 55 looking in the direction of the arrow 3, Fig. 1.
  • Fig. 4 is a cross section, taken on the line 4+4, Fig. 3.
  • Fig. 5 is a side view on a reduced scale, illustrating the asperating hose leading to the tenaculum.
  • Fig. 6 is a cross-section, taken on the line 6-6 of Figure 3.
  • Figs. 1, 2, 3, and 4 are enlarged views, the instrument itself may be built on any desired scale, depending upon the particular use for which it is 10 intended.
  • the vacuum attachment principle employed in this instrument would of course be valuable in any instrument where an attachment to the tissues was desired for tractive or dilatlve purposes. It will be described, however, as particularly applied to a tenaculum for use in holding, pulling, or dilating the os-uteri and cervical canal for the insertion of operating instruments, packers, applicators, suppositories, etc., and for inspection purpose
  • the invention comprises two metallic tubes l0 and II hinged together by means of a'hinge l2, and a hinge pin l3.
  • the rearwardextremities of the tubes In are curved outwardly to form handles for the instrument, and each terminate in a hose 5 nipple extremity for receiving a branch hose l5.
  • the hoses l5 can be joined by means of a T-fitting or a three way valve I 6 to a single hose IT.
  • the hose I! may be connected to any suitable aspirator or other suction apparatus.
  • the forward extremities of the tubes l0 and H are offset sidewardly as shown at l 8, so as to place these extremities in parallel relation in a plane to one side of the plane of the major portion of the tubes.
  • the forward extremities terminate in arcuate, vacuum cups l9 which are curvated about a common axis as shown in Fig. 3.
  • the tubes l0 and H join the cups It) at one extremity of the latter so that the cups project still further to the side 40 of the oiTset I8.
  • Any suitable means may be provided for holding the forward extremities in the open or dilating position.
  • a means is illustrated by an oval ring 20 which surrounds both tubes In and II, and can be moved therealong behind suitable locking indentations 2
  • the tenaculum as illustrated is designed for use in placing traction on the os-uteri or cervical canal or for dilating the cervical canal for the insertion of medicated suppositories, operating instruments, etc.
  • the instrument is inserted in the vagina until the vacuum cups l9 surround and are pressed against the os-uteri or mouth of the cervix.
  • the aspirator is then placed in service or the valve I6 is opened, causing a vacuum in the cups which draws the tissues therein and securely attaches the tenaculum about the cervix.
  • the handle portions of the tubes are then pressed together by the hand to dilate the cervix and the ring 20 is placed in the proper position to hold it in the desired dilated position.
  • the offset position of the cups with relation to 10 the tubes provides a free passage for the insertion of the desired instruments.
  • a guide clamp 22 is secured upon the offset side of the instrument. This clamp can be secured by means of the hinge screw [3 if desired.
  • the clamp is bent to a circular outline, the axis of which aligns with the axis of curvature of the cups l9 so that an instrument inserted through the clampwill be accurately aligned, as indicated by the broken lines at 24 in Fig. 2, with the dilated cervix.
  • clamp 22 can also be used for holding an illuminating tube, terminating in a lamp and lens to illuminate the dilated surfaces, for inspection and operating purposes.
  • vacuum cups I are particularly designed simply for attachment purposes, they could also be used as aspirators for drawing off accumulating discharges.
  • a tenaculum comprising: a pair of hollow tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; and means for attaching a suction medium to the rearward extremities of said tubes, said cup members being curvated about a common axis.
  • a tenaculum comprising: a pair of hollow .tubes; means for hinging said tubes together so that they will swing in the plane of their lengths; .vacuum cup members secured on the forwardextremities of said tubes and communicating with the interiors of the latter; and means for attaching a suction medium to the rearward extremities of said tubes, said cup members being offset from the plane of swing of said tubes so as to project to oneside thereof.
  • a tenaculum comprising: a pair of metallic tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; and means for attach- 60 ing a suction medium to the rearward extremities of said tubes, said cup members being offset from the plane of said tubes so as to project to one side thereof, and being curved about a common axis.
  • a tenaculum comprising: a pair of metallic tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; and means for attaching a suction medium to the rearward extremities of said tubes, said tubes being offset adjacent their forward extremities so as to place said cup members to one side thereof, said cup members being curved about a common axis.
  • a tenaculum comprising: a pair of metallic tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; means for attaching a suction medium to the rearward extremities of said tubes; and a guide member projecting from said tubes for guiding an instrument into position between said cup members.
  • a vacuum tenaculum comprising: a pair of similarly formed, right and left metallic tubes; a hinge hingedly connecting said tubes, there being an offset formed in said tubes forwardly of said hinge so as to place the forward extremities of the tubes to one side of the plane of the remainder thereof; an arcuate, cup-like, suction member mounted on the forward extremity of each tube and communicating therewith.
  • a vacuum tenaculum comprising: a pair of similarly formed, right and left metallic tubes; a hinge hingedly connecting said tubes,
  • a vacuum tenaculum comprising: a pair of similarly formed, right and left metallic tubes; a hinge hingedly connecting said tubes,
  • a tenaculum comprising: a relatively long hollow tube; a cup formed on one extremity of said tube, the open face of said cup lying in a plane at right angles to the axis of said tube; and means for connecting the other extremity of said tube to a suction hose, said cup being curvated and elongated so that its open face will present two relatively long parallel curved edges joined by relatively short curved ends.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Description

June 8, 1937. 4 A, ALLEN 2,082,782
VACUUM TENACULUM Filed Oct. 5, 1935 INVENTOR.
ATTORNEY.
Patented June 8, 1937 UNITED STATES PATENT OFFICE I 9 Claims.
This invention relates to a surgical instrument for seizing and holding parts and other operations where the usual tenaculum is employed. It is more particularly designed for uterine operations.
The usual tenaculum employed for this purpose consists of a sharpened hook which is hooked into the flesh to give the desired traction upon the part being operatedon. The hook will often tear through the part wounding the patient and interlO fering with the operation. Roughened surfaces have been employed on tenaculums of the forcep type to obviate the damage done by teeth.
Such surfaces, however, do not give the desired traction unless exceedingly great pressure is ex- 5 cited and the pressure may result in bruising or damaging the tissues.
The principal object of this invention is to provide a tenaculum which can be employed for both tractive and dilative purposes without injury to 20 the tissues.
Another object of the invention is to provide means for causing the tenaculum to attach itself to the tissues with a tenacity sufficient to give an exceedingly strong traction without damage to the 2:5 tissues and which will not injure the patient,
should it be accidentally pulled from place.
A further object is to provide a construction which will enable a vacuum to be effectively employed for attaching operating instruments to the 30 tissues. While the vacuum principle is exceedingly valuable in a tenaculum, it is not, of course limited to this particular use, but can be also employed on certain types of dilators, elevating forceps, retractors, etc.
35 A still further object is to provide means on a vacuum tenaculum for supporting and guiding operating instruments, illuminating lamp tubes, etc.
Other objects and advantages reside in the de- 40 tail construction of the invention, which is designed for simplicity, economy, and efficiency.
These will become more apparent from the following description.
In the following detailed description of the invention reference is had to the accompanying drawing which forms a part hereof. Like numerals refer to like parts in all views of the drawing and throughout the description.
In the drawing:--
Fig. 1 illustrates a side view of the improved vacuum tenaculum.
Fig. 2 is anedge view thereof.
Fig. 3 is an end view of the operating extremity, 55 looking in the direction of the arrow 3, Fig. 1.
Fig. 4 is a cross section, taken on the line 4+4, Fig. 3.
Fig. 5 is a side view on a reduced scale, illustrating the asperating hose leading to the tenaculum. 5 Fig. 6 is a cross-section, taken on the line 6-6 of Figure 3.
Figs. 1, 2, 3, and 4 are enlarged views, the instrument itself may be built on any desired scale, depending upon the particular use for which it is 10 intended. The vacuum attachment principle employed in this instrument would of course be valuable in any instrument where an attachment to the tissues was desired for tractive or dilatlve purposes. It will be described, however, as particularly applied to a tenaculum for use in holding, pulling, or dilating the os-uteri and cervical canal for the insertion of operating instruments, packers, applicators, suppositories, etc., and for inspection purpose The invention comprises two metallic tubes l0 and II hinged together by means of a'hinge l2, and a hinge pin l3. The rearwardextremities of the tubes In are curved outwardly to form handles for the instrument, and each terminate in a hose 5 nipple extremity for receiving a branch hose l5. The hoses l5 can be joined by means of a T-fitting or a three way valve I 6 to a single hose IT. The hose I! may be connected to any suitable aspirator or other suction apparatus.
The forward extremities of the tubes l0 and H are offset sidewardly as shown at l 8, so as to place these extremities in parallel relation in a plane to one side of the plane of the major portion of the tubes.
The forward extremities terminate in arcuate, vacuum cups l9 which are curvated about a common axis as shown in Fig. 3. The tubes l0 and H join the cups It) at one extremity of the latter so that the cups project still further to the side 40 of the oiTset I8.
Any suitable means may be provided for holding the forward extremities in the open or dilating position. Such a means is illustrated by an oval ring 20 which surrounds both tubes In and II, and can be moved therealong behind suitable locking indentations 2| so as to hold the tenaculum in any desired open or dilating position.
The tenaculum as illustrated, is designed for use in placing traction on the os-uteri or cervical canal or for dilating the cervical canal for the insertion of medicated suppositories, operating instruments, etc. In use, the instrument is inserted in the vagina until the vacuum cups l9 surround and are pressed against the os-uteri or mouth of the cervix. The aspirator is then placed in service or the valve I6 is opened, causing a vacuum in the cups which draws the tissues therein and securely attaches the tenaculum about the cervix. The handle portions of the tubes are then pressed together by the hand to dilate the cervix and the ring 20 is placed in the proper position to hold it in the desired dilated position.
The offset position of the cups with relation to 10 the tubes provides a free passage for the insertion of the desired instruments. To facilitate the insertion of the latter, a guide clamp 22 is secured upon the offset side of the instrument. This clamp can be secured by means of the hinge screw [3 if desired. The clamp is bent to a circular outline, the axis of which aligns with the axis of curvature of the cups l9 so that an instrument inserted through the clampwill be accurately aligned, as indicated by the broken lines at 24 in Fig. 2, with the dilated cervix. The
clamp 22 can also be used for holding an illuminating tube, terminating in a lamp and lens to illuminate the dilated surfaces, for inspection and operating purposes.
While the vacuum cups I!) are particularly designed simply for attachment purposes, they could also be used as aspirators for drawing off accumulating discharges.
While a specific form of the improvement has been described and illustrated herein, it is desired to be understood that the same may be varied,
within the scope of the appended claims, without departing from the spirit of the invention.
Having thus described the invention, what is claimed and desired secured by Letters Patent 1. A tenaculum comprising: a pair of hollow tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; and means for attaching a suction medium to the rearward extremities of said tubes, said cup members being curvated about a common axis.
2. A tenaculum comprising: a pair of hollow .tubes; means for hinging said tubes together so that they will swing in the plane of their lengths; .vacuum cup members secured on the forwardextremities of said tubes and communicating with the interiors of the latter; and means for attaching a suction medium to the rearward extremities of said tubes, said cup members being offset from the plane of swing of said tubes so as to project to oneside thereof.
3. A tenaculum comprising: a pair of metallic tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; and means for attach- 60 ing a suction medium to the rearward extremities of said tubes, said cup members being offset from the plane of said tubes so as to project to one side thereof, and being curved about a common axis.
i. A tenaculum comprising: a pair of metallic tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; and means for attaching a suction medium to the rearward extremities of said tubes, said tubes being offset adjacent their forward extremities so as to place said cup members to one side thereof, said cup members being curved about a common axis.
5. A tenaculum comprising: a pair of metallic tubes; means for hinging said tubes together; vacuum cup members secured on the forward extremities of said tubes and communicating with the interiors of the latter; means for attaching a suction medium to the rearward extremities of said tubes; and a guide member projecting from said tubes for guiding an instrument into position between said cup members.
6. A vacuum tenaculum comprising: a pair of similarly formed, right and left metallic tubes; a hinge hingedly connecting said tubes, there being an offset formed in said tubes forwardly of said hinge so as to place the forward extremities of the tubes to one side of the plane of the remainder thereof; an arcuate, cup-like, suction member mounted on the forward extremity of each tube and communicating therewith.
7. A vacuum tenaculum comprising: a pair of similarly formed, right and left metallic tubes; a hinge hingedly connecting said tubes,
there being an offset formed in said tubes forwardly of said hinge so as to place the forward extremities of the tubes to one side of the plane of the remainder thereof; an arcuate, cup-like, suction member mounted on the forward extremity of each tube and communicating therewith, said suction members lying in a plane at right angles to the plane of said tubes and being curved about a common axis.
8. A vacuum tenaculum comprising: a pair of similarly formed, right and left metallic tubes; a hinge hingedly connecting said tubes,
there being an offset formed in said tubes forwardly of said hinge so as to place the forward extremities of the tubes to one side of the plane of the remainder thereof; an arcuate, cup-like suction member mounted on the forward extremity of each tube and communicating therewith; and a guide clip secured to said hinge and projecting from the offset side of said tenaculum, said guide clamp being in alignment with the axis of curvature of said cup members.
9. A tenaculum comprising: a relatively long hollow tube; a cup formed on one extremity of said tube, the open face of said cup lying in a plane at right angles to the axis of said tube; and means for connecting the other extremity of said tube to a suction hose, said cup being curvated and elongated so that its open face will present two relatively long parallel curved edges joined by relatively short curved ends.
ALFRED G. ALLEN.
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Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783873A (en) * 1971-09-16 1974-01-08 H Jacobs Weighted surgical clamp having foldable prop
US3807406A (en) * 1971-06-25 1974-04-30 Bio Medicus Inc Instrument surgical with suction device
US3926192A (en) * 1974-08-12 1975-12-16 Maren Harold B Van Atraumatic uterine director
US4244375A (en) * 1979-02-07 1981-01-13 Hoffmann-La Roche Inc. Transcutaneous electrode with finger operative attachment assembly
US4386607A (en) * 1980-04-04 1983-06-07 Miller Roscoe E Enema apparata improvements relating to double contrast studies
US4432352A (en) * 1982-03-08 1984-02-21 Wineland Richard D Cervical traction kit
US5372124A (en) * 1991-04-10 1994-12-13 Olympus Optical Co., Ltd. Treating instrument
US5474519A (en) * 1994-05-10 1995-12-12 Bloomer; William E. Method for obtaining stereoscopic imagery from a pair of endoscopes
WO1998055029A1 (en) * 1997-06-02 1998-12-10 General Surgical Innovations, Inc. Vascular retractor
US5865730A (en) * 1997-10-07 1999-02-02 Ethicon Endo-Surgery, Inc. Tissue stabilization device for use during surgery having remotely actuated feet
US5891017A (en) * 1997-01-31 1999-04-06 Baxter Research Medical, Inc. Surgical stabilizer and method for isolating and immobilizing cardiac tissue
US5984864A (en) * 1997-10-07 1999-11-16 Ethicon Endo-Surgery, Inc. Tissue stabilization device for use during surgery
US6007486A (en) * 1997-10-07 1999-12-28 Ethicon Endo-Surgery, Inc. Tissue stabilization device for use during surgery having a segmented shaft
US6013027A (en) * 1997-10-07 2000-01-11 Ethicon Endo-Surgery, Inc. Method for using a tissue stabilization device during surgery
US6019722A (en) * 1997-09-17 2000-02-01 Guidant Corporation Device to permit offpump beating heart coronary bypass surgery
US6090041A (en) * 1999-02-16 2000-07-18 Regents Of The University Of California vacuum actuated surgical retractor and methods
US6113536A (en) * 1998-09-30 2000-09-05 A-Med Systems, Inc. Device and method of attaching a blood pump and tubes to a surgical retractor
US6193652B1 (en) 1997-10-07 2001-02-27 Ethicon Endo-Surgery, Inc. Tissue stabilization device for use during surgery having spherical curved feet
US6196968B1 (en) 1997-06-02 2001-03-06 General Surgical Innovations, Inc. Direct vision subcutaneous tissue retractor and method for use
US6287250B1 (en) 1999-09-21 2001-09-11 Origin Medsystems, Inc. Method and apparatus for cardiac lifting during beating heart surgery using pericardial clips
US6338712B2 (en) 1997-09-17 2002-01-15 Origin Medsystems, Inc. Device to permit offpump beating heart coronary bypass surgery
US6338738B1 (en) 1999-08-31 2002-01-15 Edwards Lifesciences Corp. Device and method for stabilizing cardiac tissue
US6390976B1 (en) 1997-09-17 2002-05-21 Origin Medsystems, Inc. System to permit offpump beating heart coronary bypass surgery
US20030009081A1 (en) * 1999-07-08 2003-01-09 Chase Medical, Lp Device and method for isolating a surface of a beating heart during surgery
US6506149B2 (en) 1999-09-07 2003-01-14 Origin Medsystems, Inc. Organ manipulator having suction member supported with freedom to move relative to its support
US6641575B1 (en) 1999-01-26 2003-11-04 Neal M. Lonky Surgical vacuum instrument for retracting, extracting, and manipulating tissue
US6852075B1 (en) 1996-02-20 2005-02-08 Cardiothoracic Systems, Inc. Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
US20050203334A1 (en) * 1999-01-26 2005-09-15 Lonky Neal M. Vacuum instrument for laparotomy procedures
US6969349B1 (en) 1997-09-17 2005-11-29 Origin Medsystem, Inc. Device to permit offpump beating heart coronary bypass surgery
US7179224B2 (en) 2003-12-30 2007-02-20 Cardiothoracic Systems, Inc. Organ manipulator and positioner and methods of using the same
US7219671B2 (en) 1995-04-10 2007-05-22 Cardiothoracic Systems, Inc. Method for coronary artery bypass
US7479104B2 (en) 2003-07-08 2009-01-20 Maquet Cardiovascular, Llc Organ manipulator apparatus
US20100185048A1 (en) * 2009-01-22 2010-07-22 Neal Marc Lonky Portable regulated vacuum pump for medical procedures
US8083664B2 (en) 2005-05-25 2011-12-27 Maquet Cardiovascular Llc Surgical stabilizers and methods for use in reduced-access surgical sites
US20120289782A1 (en) * 2011-05-13 2012-11-15 Tyco Healthcare Group Lp Twin camera endoscope
US8915894B1 (en) 2000-01-24 2014-12-23 Meditech Development Incorporated Vacuum cup for delivery of agents during vacuum treatment
US9089365B2 (en) 2012-04-26 2015-07-28 Imds Llc Tissue fixation device
US9186444B2 (en) 2012-05-07 2015-11-17 Meditech Development Incorporated Portable regulated pressure devices for medical procedures
WO2016092458A1 (en) 2014-12-08 2016-06-16 Aspivix Sa Gynaecological module and apparatus
US9655605B2 (en) 2010-06-14 2017-05-23 Maquet Cardiovascular Llc Surgical instruments, systems and methods of use
US20200197037A1 (en) * 2017-05-23 2020-06-25 Sumitomo Bakelite Co., Ltd. Coronary artery bypass surgery treatment tool, treatment tool part, medical connector, and medical device

Cited By (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807406A (en) * 1971-06-25 1974-04-30 Bio Medicus Inc Instrument surgical with suction device
US3783873A (en) * 1971-09-16 1974-01-08 H Jacobs Weighted surgical clamp having foldable prop
US3926192A (en) * 1974-08-12 1975-12-16 Maren Harold B Van Atraumatic uterine director
US4244375A (en) * 1979-02-07 1981-01-13 Hoffmann-La Roche Inc. Transcutaneous electrode with finger operative attachment assembly
US4386607A (en) * 1980-04-04 1983-06-07 Miller Roscoe E Enema apparata improvements relating to double contrast studies
US4432352A (en) * 1982-03-08 1984-02-21 Wineland Richard D Cervical traction kit
US5372124A (en) * 1991-04-10 1994-12-13 Olympus Optical Co., Ltd. Treating instrument
US5474519A (en) * 1994-05-10 1995-12-12 Bloomer; William E. Method for obtaining stereoscopic imagery from a pair of endoscopes
US7219671B2 (en) 1995-04-10 2007-05-22 Cardiothoracic Systems, Inc. Method for coronary artery bypass
US7497824B2 (en) 1996-02-20 2009-03-03 Maquet Cardiovasculer, Llc Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
US8382654B2 (en) 1996-02-20 2013-02-26 Maquet Cardiovascular Llc Surgical devices for imposing a negative pressure to stabilize the cardiac tissue during surgery
US7335158B2 (en) 1996-02-20 2008-02-26 Cardiothoracic Systems, Inc. Surgical devices for imposing a negative pressure to stabilize the cardiac tissue during surgery
US6852075B1 (en) 1996-02-20 2005-02-08 Cardiothoracic Systems, Inc. Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
US6893391B2 (en) 1996-02-20 2005-05-17 Cardiothoracic Systems, Inc. Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
US20050033111A1 (en) * 1996-02-20 2005-02-10 Taylor Charles S. Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
US7485090B2 (en) 1996-02-20 2009-02-03 Maquet Cardiovascular Llc Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
US5891017A (en) * 1997-01-31 1999-04-06 Baxter Research Medical, Inc. Surgical stabilizer and method for isolating and immobilizing cardiac tissue
US6033361A (en) * 1997-06-02 2000-03-07 General Surgical Innovations, Inc. Vascular retractor
WO1998055029A1 (en) * 1997-06-02 1998-12-10 General Surgical Innovations, Inc. Vascular retractor
US6196968B1 (en) 1997-06-02 2001-03-06 General Surgical Innovations, Inc. Direct vision subcutaneous tissue retractor and method for use
US7476196B2 (en) 1997-09-17 2009-01-13 Maquet Cardiovascular, Llc Device to permit offpump beating heart coronary bypass surgery
US20070179344A1 (en) * 1997-09-17 2007-08-02 Spence Paul A Device to permit offpump beating heart coronary bypass surgery
US8317695B2 (en) 1997-09-17 2012-11-27 Maquet Cardiovascular Llc Device to permit offpump beating heart coronary bypass surgery
US6361493B1 (en) 1997-09-17 2002-03-26 Origin Medsystems, Inc. Device to permit offpump beating heart coronary bypass surgery
US6390976B1 (en) 1997-09-17 2002-05-21 Origin Medsystems, Inc. System to permit offpump beating heart coronary bypass surgery
US20020065451A1 (en) * 1997-09-17 2002-05-30 Spence Paul A. Device to permit offpump beating heart coronary bypass surgery
US20020161285A1 (en) * 1997-09-17 2002-10-31 Spence Paul A. Device to permit offpump beating heart coronary bypass surgery
US8162817B2 (en) 1997-09-17 2012-04-24 Maquet Cardiovascular Llc Device to permit offpump beating heart coronary bypass surgery
US7195591B2 (en) 1997-09-17 2007-03-27 Origin Medsystems, Inc. Device to permit offpump beating heart coronary bypass surgery
US6610008B1 (en) 1997-09-17 2003-08-26 Origin Medsystems, Inc. Device and method to permit offpump beating heart coronary bypass surgery
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