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US6458079B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Surgical retractor and method of use

Assignee: Beth Israel Deaconess Medical Center
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Filing: 1999-10-01
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Granted: 2002-10-01
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Expires: 2019-10-01
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Abstract

Abstract The present invention relates to a surgical retractor that immobilizes tissue at a surgical site. A preferred embodiment of the retractor is used during minimally invasive direct coronary bypass procedures to arrest movement of the grafting site while the heart continues pumping. Tape or thread can be used to connect the artery to the retractor with a holder.

Inventors

  • 👤 William Cohn
  • 👤 Jennie H. Brown
  • 👤 Douglas A. Hutchison
  • 👤 Lawrence F. Travers
  • 👤 Michael A. Valerio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:46
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/04; A61B17/06; A61B17/06061; A61B17/11; A61B17/12; A61B17/00234; A61B2017/00238; A61B2017/00243; A61B2017/0237; A61B2017/0243; A61B2017/1107

Claims Analysis

Total Claims: 59
Claim 1
Independent Claim 98 words
A surgical device for a coronary bypass procedure comprising; a stabilizer; a retaining element attached to the stabilizer having an aperture defining an operative site over an artery; and a holder on the retaining element, the holder positioned to receive a connector that extends underneath the artery such that the connector is frictionally attached to a slot in the holder and compresses the artery against a surface on the retaining element at a first arterial position on a first side of the operative site and at a second arterial position on a second side of the operative site.
Claim 2
Dependent Claim 98 words
A surgical device for a coronary bypass procedure comprising; a stabilizer; a retaining element attached to the stabilizer having an aperture defining an operative site over an artery; and a holder on the retaining element, the holder positioned to receive a connector that extends underneath the artery such that the connector is frictionally attached to a slot in the holder and compresses the artery against a surface on the retaining element at a first arterial position on a first side of the operative site and at a second arterial position on a second side of the operative site.
Claim 3
Dependent Claim 33 words
The surgical retractor of claim 1 , wherein the aperture is sized to have a length that ranges from 1 to 3 cm and a width that ranges from 5 to 15 mm.
Claim 4
Dependent Claim 24 words
The surgical retractor of claim 1 , having a longitudinal dimension, further comprising raised sidewall elements disposed along the longitudinal dimension of the retractor.
Claim 5
Dependent Claim 25 words
The surgical retractor of claim 3 , wherein the raised sidewall elements have a plurality of slots to frictionally grip an end of the connector.
Claim 6
Dependent Claim 15 words
The surgical retractor of claim 1 , wherein the connector comprises flexible tape or thread.
Claim 7
Dependent Claim 47 words
The surgical retractor of claim 1 , wherein the retaining element comprises a first, a second, a third and a fourth corner, at least one corner has a base having a gradually thinner cross-section to provide a downward slope to allow for fluid drainage during the procedure.
Claim 8
Dependent Claim 44 words
The surgical retractor of claim 1 , wherein the retaining element has a bottom surface comprising a plurality of slots to allow for the placement of the connector under or over the retractor to position tissue at the surgical site within the retractor aperture.
Claim 9
Dependent Claim 41 words
The surgical retractor of claim 1 , wherein the retaining element has a bottom surface having portions that are curved and extend a distance downwardly parallel to a lengthwise dimension of the aperture to retain the retractor in a desired position.
Claim 10
Dependent Claim 17 words
The surgical retractor of claim 1 , wherein the retaining element comprises a plurality of separable sections.
Claim 11
Dependent Claim 22 words
The surgical retractor of claim 9 , wherein the separable sections comprise a plurality of tabs which extend between the separable sections.
Claim 12
Dependent Claim 14 words
The surgical retractor of claim 1 , wherein the retaining element is optically transmissive.
Claim 13
Independent Claim 113 words
A method of positioning an artery during surgery comprising the steps of: positioning a retaining element at a surgical site, the retaining element extending over an artery and having an aperture that exposes a portion of the artery at the surgical site; positioning a connector under a portion of the artery; and connecting the connector to the retaining element, the connector being frictionally attached to a slot on the retaining element, to occlude the artery at a first arterial position at a first side of the surgical site with the retaining element and occluding the artery at a second arterial position at a second side of the surgical site with the retaining element.
Claim 14
Independent Claim 113 words
A method of positioning an artery during surgery comprising the steps of: positioning a retaining element at a surgical site, the retaining element extending over an artery and having an aperture that exposes a portion of the artery at the surgical site; positioning a connector under a portion of the artery; and connecting the connector to the retaining element, the connector being frictionally attached to a slot on the retaining element, to occlude the artery at a first arterial position at a first side of the surgical site with the retaining element and occluding the artery at a second arterial position at a second side of the surgical site with the retaining element.
Claim 15
Dependent Claim 31 words
The method of claim 12 further comprising sizing the aperture to have a length that ranges from 1 to 3 cm and a width that ranges from 5 to 15 mm.
Claim 16
Dependent Claim 24 words
The method of claim 12 further comprising providing the retaining element having a longitudinal dimension comprising raised sidewall elements disposed along the longitudinal dimension.
Claim 17
Dependent Claim 25 words
The method of claim 14 further comprising providing the raised sidewall elements having a plurality of slots to frictionally grip an end of the connector.
Claim 18
Dependent Claim 42 words
The method of claim 12 further comprising providing the retaining element having a first, a second, a third and a fourth corner, at least one corner having a gradually thinner cross-section to provide a downward slope for fluid drainage during a procedure.
Claim 19
Dependent Claim 44 words
The method of claim 12 further comprising providing the retaining element having a bottom surface comprising a plurality of slots to allow for the placement of the connector under or over the retractor to position tissue at the surgical site within the retractor aperture.
Claim 20
Dependent Claim 39 words
The method of claim 12 providing the retaining implement having a bottom surface having portions that are curved and extend a distance downwardly parallel to a lengthwise dimension of the aperture to retain the retractor in a desired position.
Claim 21
Dependent Claim 17 words
The method of claim 12 further comprising providing the retaining element having a plurality of separable sections.
Claim 22
Independent Claim 21 words
The method of claim, 19 further comprising providing the separable sections having a plurality of tabs which extend between said sections.
Claim 23
Dependent Claim 15 words
The method of claim 12 further comprising providing a retaining element that is optically transmissive.
Claim 24
Dependent Claim 73 words
A surgical retractor for a coronary bypass procedure comprising; a retaining base having an aperture that exposes an operative site, the base having raised sidewalls; a holder on the retaining base having a slot; and a cord that frictionally attaches to the slot in the holder such that artery tissue can be positioned in the aperture relative to the retaining base with the cord and the holder to occlude flow in the artery.
Claim 25
Dependent Claim 73 words
A surgical retractor for a coronary bypass procedure comprising; a retaining base having an aperture that exposes an operative site, the base having raised sidewalls; a holder on the retaining base having a slot; and a cord that frictionally attaches to the slot in the holder such that artery tissue can be positioned in the aperture relative to the retaining base with the cord and the holder to occlude flow in the artery.
Claim 26
Dependent Claim 33 words
The surgical retractor of claim 22 , wherein the aperture is sized to have a length that ranges from 1 to 3 cm and a width that ranges from 5 to 15 mm.
Claim 27
Dependent Claim 24 words
The surgical retractor of claim 22 , having a longitudinal dimension, further comprising raised sidewall elements disposed along the longitudinal dimension of the retractor.
Claim 28
Dependent Claim 25 words
The surgical retractor of claim 24 , wherein the raised sidewall elements have a plurality of slots to frictionally grip an end of the cord.
Claim 29
Dependent Claim 15 words
The surgical retractor of claim 22 , wherein the cord comprises flexible tape or thread.
Claim 30
Dependent Claim 47 words
The surgical retractor of claim 22 , wherein the retaining base comprises a first, a second, a third and a fourth corner, at least one corner has a base having a gradually thinner cross-section to provide a downward slope to allow for fluid drainage during the procedure.
Claim 31
Dependent Claim 41 words
The surgical retractor of claim 22 , wherein the retaining base has a bottom surface comprising slots to allow for the placement of the card under or over the retractor to position tissue at the surgical site within the retractor aperture.
Claim 32
Dependent Claim 41 words
The surgical retractor of claim 22 , wherein the retaining base has a bottom surface having portions that are curved and extend a distance downwardly parallel to a lengthwise dimension of the aperture to retain the retractor in a desired position.
Claim 33
Dependent Claim 17 words
The surgical retractor of claim 22 , wherein the retaining base comprises a plurality of separable sections.
Claim 34
Dependent Claim 22 words
The surgical retractor of claim 30 , wherein the separable sections comprise a plurality of tabs which extend between the separable sections.
Claim 35
Dependent Claim 14 words
The surgical retractor of claim 22 , wherein the retaining base is optically transmissive.
Claim 36
Independent Claim 102 words
A method of positioning a coronary artery during bypass surgery comprising the steps of: positioning a retaining base at a surgical site, the retaining base having a first element and a second element which surround an aperture that exposes the coronary artery at the surgical site; connecting the coronary artery at the surgical site to the retaining base with a cord, the cord being frictionally engaged with a slot on the retaining base; grafting a second artery onto the exposed coronary artery positioned in the aperture; and separating the first element and the second element to remove the base from the site.
Claim 37
Independent Claim 102 words
A method of positioning a coronary artery during bypass surgery comprising the steps of: positioning a retaining base at a surgical site, the retaining base having a first element and a second element which surround an aperture that exposes the coronary artery at the surgical site; connecting the coronary artery at the surgical site to the retaining base with a cord, the cord being frictionally engaged with a slot on the retaining base; grafting a second artery onto the exposed coronary artery positioned in the aperture; and separating the first element and the second element to remove the base from the site.
Claim 38
Dependent Claim 31 words
The method of claim 33 further comprising sizing the aperture to have a length that ranges from 1 to 3 cm and a width that ranges from 5 to 15 mm.
Claim 39
Dependent Claim 24 words
The method of claim 33 further comprising providing the retaining base having a longitudinal dimension comprising raised sidewall elements disposed along the longitudinal dimension.
Claim 40
Dependent Claim 25 words
The method of claim 35 further comprising providing the raised sidewall elements having a plurality of slots to frictionally grip an end of the cord.
Claim 41
Dependent Claim 42 words
The method of claim 33 further comprising providing the retaining base having a first, a second, a third and a fourth corner, at least one corner having a gradually thinner cross-section to provide a downward slope for fluid drainage during a procedure.
Claim 42
Dependent Claim 44 words
The method of claim 33 further comprising providing the retaining base having a bottom surface comprising a plurality of slots to allow for the placement of the cord under or over the retractor to position tissue at the surgical site within the retractor aperture.
Claim 43
Dependent Claim 39 words
The method of claim 33 providing the retaining base having a bottom surface having portions that are curved and extend a distance downwardly parallel to a lengthwise dimension of the aperture to retain the retractor in a desired position.
Claim 44
Dependent Claim 17 words
The method of claim 33 further comprising providing the retaining base having a plurality of separable sections.
Claim 45
Dependent Claim 21 words
The method of claim 40 further comprising providing the separable sections having a plurality of tabs which extend between said sections.
Claim 46
Dependent Claim 15 words
The method of claim 33 further comprising providing a retaining base that is optically transmissive.
Claim 47
Dependent Claim 116 words
A disposable surgical retractor for a coronary bypass procedure comprising; a plastic retaining base having an aperture that exposes an operative site, the aperture extending along a longitudinal axis of the base, the base having a first section separable from a second section; a plurality of holders extending above the retaining base such that a first holder is positioned on a first side of the aperture and a second holder is positioned on a second side of the aperture, each holder having a slot; and an arm attached to the base and extending above the base such that a user can position the base at the operative site with a coronary artery exposed through the aperture.
Claim 48
Dependent Claim 116 words
A disposable surgical retractor for a coronary bypass procedure comprising; a plastic retaining base having an aperture that exposes an operative site, the aperture extending along a longitudinal axis of the base, the base having a first section separable from a second section; a plurality of holders extending above the retaining base such that a first holder is positioned on a first side of the aperture and a second holder is positioned on a second side of the aperture, each holder having a slot; and an arm attached to the base and extending above the base such that a user can position the base at the operative site with a coronary artery exposed through the aperture.
Claim 49
Dependent Claim 33 words
The surgical retractor of claim 43 , wherein the aperture is sized to have a length that ranges from 1 to 3 cm and a width that ranges from 5 to 15 mm.
Claim 50
Dependent Claim 24 words
The surgical retractor of claim 43 , having a longitudinal dimension, further comprising raised sidewall elements disposed along the longitudinal dimension of the retractor.
Claim 51
Dependent Claim 25 words
The surgical retractor of claim 45 , wherein the raised sidewall elements have a plurality of slots to frictionally grip an end of the cord.
Claim 52
Dependent Claim 15 words
The surgical retractor of claim 46 , wherein the connector comprises flexible tape or thread.
Claim 53
Dependent Claim 47 words
The surgical retractor of claim 43 , wherein the retaining base comprises a first, a second, a third and a fourth corner, at lease one corner has a base having a gradually thinner cross-section to provide a downward slope to allow for fluid drainage during the procedure.
Claim 54
Dependent Claim 33 words
The surgical retractor of claim 48 , further comprising end walls extending widthwise, the end walls in combination with the raised sidewall elements define the first, the second, the third and forth corners.
Claim 55
Dependent Claim 44 words
The surgical retractor of claim 43 , wherein the retaining base has a bottom surface comprising a plurality of slots to allow for the placement of the connector under or over the retractor to position tissue at the surgical site within the retractor aperture.
Claim 56
Dependent Claim 41 words
The surgical retractor of claim 43 , wherein the retaining base has a bottom surface having portions that are curved and extend a distance downwardly parallel to a lengthwise dimension of the aperture to retain the retractor in a desired position.
Claim 57
Dependent Claim 33 words
The surgical retractor of claim 43 , wherein the retaining base comprises a plurality of separable sections each section having a slot that frictionally engages a cord that can extend under the artery.
Claim 58
Dependent Claim 22 words
The surgical retractor of claim 52 , wherein the separable sections comprise a plurality of tabs which extend between the separable sections.
Claim 59
Dependent Claim 14 words
The surgical retractor of claim 43 , wherein the retaining base is optically transmissive.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-09-30 2006-04-01 2006-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-09-30 2010-04-01 2010-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-09-30 2014-04-01 2014-10-01 $7700.00 Window Closed / Lapsed

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