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US6468207B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Deep tissue surgical retractor apparatus and method of retracting tissue

Assignee: CooperSurgical Inc
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Filing: 2000-09-15
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Granted: 2002-10-22
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Expires: 2020-09-15
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Abstract

Abstract A retractor system having a blade assembly with notches for receiving a portion of a surgical retractor stay. A retractor system having a cam lock mechanism and/or a ratchet mechanism to restrict movement of the paddle arms. A retractor system having pinions to engage an elastic band to aid the frame and paddle arms to automatically self-position during a surgical procedure.

Inventors

  • 👤 James M. Fowler, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 09:56
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/0206; A61B17/0293; A61B17/04; A61B17/06; A61B17/06061

Claims Analysis

Total Claims: 45
Claim 1
Independent Claim 73 words
A surgical retractor system for use in surgery comprising: a frame; a blade assembly having a blade member for retracting tissue and having an extension having a plurality of notches, wherein the notches are adapted to receive a portion of a surgical retractor stay; and a paddle arm having a first end and a second end, the second end connected to the blade member and the first end pivotally connected to the frame.
Claim 2
Dependent Claim 73 words
A surgical retractor system for use in surgery comprising: a frame; a blade assembly having a blade member for retracting tissue and having an extension having a plurality of notches, wherein the notches are adapted to receive a portion of a surgical retractor stay; and a paddle arm having a first end and a second end, the second end connected to the blade member and the first end pivotally connected to the frame.
Claim 3
Dependent Claim 17 words
The system of claim 1 , wherein the paddle arm is removably connected to the blade assembly.
Claim 4
Dependent Claim 20 words
The system of claim 1 , wherein the paddle arm is formed as a unitary member with the blade assembly.
Claim 5
Dependent Claim 23 words
The system of claim 1 comprised of a material selected from the group consisting of aluminum, stainless steel, polycarbonate, polyphenylene ether and nylon.
Claim 6
Dependent Claim 43 words
A surgical retractor system for use in surgery comprising: a frame including an aperture having an edge with teeth; a hub having a bore; and a pin received by the bore and the aperture, wherein the pin couples the hub to the frame.
Claim 7
Dependent Claim 43 words
A surgical retractor system for use in surgery comprising: a frame including an aperture having an edge with teeth; a hub having a bore; and a pin received by the bore and the aperture, wherein the pin couples the hub to the frame.
Claim 8
Dependent Claim 32 words
The system of claim 5 , further comprising: a blade assembly; and a paddle arm having a first end connected to the hub and a second end connected to the blade assembly.
Claim 9
Dependent Claim 23 words
The system of claim 5 comprised of a material selected from the group consisting of aluminum, stainless steel, polycarbonate, polyphenylene ether and nylon.
Claim 10
Dependent Claim 11 words
The system of claim 5 , wherein the frame is articulated.
Claim 11
Dependent Claim 17 words
The system of claim 8 , wherein the frame comprises frame members hingedly connected to each other.
Claim 12
Dependent Claim 18 words
The system of claim 8 , wherein the frame has a portion comprised of flexible metal or plastic.
Claim 13
Dependent Claim 13 words
The system of claim 5 , wherein the hub further comprises a pinion.
Claim 14
Dependent Claim 67 words
A surgical retractor system for use in surgery comprising: a frame having an aperture; a hub having a bore; a pin received by the bore and the aperture, wherein the pin couples the hub to the frame, wherein the pin has a stud and the aperture has an indentation for receiving the stud and further wherein the stud and indentation cooperate to provide a cam locking mechanism.
Claim 15
Dependent Claim 67 words
A surgical retractor system for use in surgery comprising: a frame having an aperture; a hub having a bore; a pin received by the bore and the aperture, wherein the pin couples the hub to the frame, wherein the pin has a stud and the aperture has an indentation for receiving the stud and further wherein the stud and indentation cooperate to provide a cam locking mechanism.
Claim 16
Dependent Claim 80 words
A surgical retractor system for use in surgery comprising: a frame having an aperture; a hub having a bore; a pin received by the bore and the aperture, wherein the pin couples the hub to the frame; a blade assembly; and a paddle arm having a first end connected to the hub and a second end connected to the blade assembly, wherein the blade assembly further comprises an extension having notches for receiving a portion of a surgical retractor stay.
Claim 17
Dependent Claim 80 words
A surgical retractor system for use in surgery comprising: a frame having an aperture; a hub having a bore; a pin received by the bore and the aperture, wherein the pin couples the hub to the frame; a blade assembly; and a paddle arm having a first end connected to the hub and a second end connected to the blade assembly, wherein the blade assembly further comprises an extension having notches for receiving a portion of a surgical retractor stay.
Claim 18
Dependent Claim 66 words
A surgical retractor system for use in surgery comprising: a frame having an aperture; a hub having a bore; and a pin received by the bore and the aperture, wherein the pin couples the hub to the frame, wherein the aperture includes a plurality of teeth and the hub includes a plurality of projections, the pluralities of teeth and projections cooperating to provide a ratchet mechanism.
Claim 19
Dependent Claim 66 words
A surgical retractor system for use in surgery comprising: a frame having an aperture; a hub having a bore; and a pin received by the bore and the aperture, wherein the pin couples the hub to the frame, wherein the aperture includes a plurality of teeth and the hub includes a plurality of projections, the pluralities of teeth and projections cooperating to provide a ratchet mechanism.
Claim 20
Dependent Claim 53 words
A surgical retractor system for use in surgery comprising: a frame having an aperture and a plurality of notches adapted to receive a portion of a surgical retractor stay; a hub having a bore; and a pin received by the bore and the aperture, wherein the pin couples the hub to the frame.
Claim 21
Dependent Claim 53 words
A surgical retractor system for use in surgery comprising: a frame having an aperture and a plurality of notches adapted to receive a portion of a surgical retractor stay; a hub having a bore; and a pin received by the bore and the aperture, wherein the pin couples the hub to the frame.
Claim 22
Dependent Claim 11 words
The system of claim 15 , wherein the flange is concave.
Claim 23
Dependent Claim 64 words
A surgical retractor system for use in surgery comprising: a frame having a plurality of apertures, a plurality of hubs, each hub having a bore and a pinion; a pin received by one of the hub bores and one of the apertures, wherein the pin couples the hub to the frame; and an elastic band adapted to cooperate with the pinions of two hubs.
Claim 24
Dependent Claim 64 words
A surgical retractor system for use in surgery comprising: a frame having a plurality of apertures, a plurality of hubs, each hub having a bore and a pinion; a pin received by one of the hub bores and one of the apertures, wherein the pin couples the hub to the frame; and an elastic band adapted to cooperate with the pinions of two hubs.
Claim 25
Dependent Claim 49 words
A surgical retractor system for use in surgery comprising: a frame having an aperture and a plurality of teeth; a hub having a bore and a plurality of projections; a pin received by the bore and the aperture, wherein the teeth and projections cooperate to provide a ratchet mechanism.
Claim 26
Dependent Claim 49 words
A surgical retractor system for use in surgery comprising: a frame having an aperture and a plurality of teeth; a hub having a bore and a plurality of projections; a pin received by the bore and the aperture, wherein the teeth and projections cooperate to provide a ratchet mechanism.
Claim 27
Dependent Claim 36 words
The system of claim 18 , wherein the pin has a stud and the aperture has an indentation for receiving the stud and further wherein the stud and indentation cooperate to provide a cam locking mechanism.
Claim 28
Dependent Claim 32 words
The system of claim 18 , further comprising: a blade assembly; and a paddle arm having a first end connected to the hub and a second end connected to the blade assembly.
Claim 29
Dependent Claim 25 words
The system of claim 20 , wherein the blade assembly further comprises an extension having notches for receiving a portion of a surgical retractor stay.
Claim 30
Dependent Claim 28 words
The system of claim 18 , wherein the frame further comprises a flange having a plurality of notches adapted to receive a portion of a surgical retractor stay.
Claim 31
Dependent Claim 11 words
The system of claim 18 , wherein the flange is concave.
Claim 32
Dependent Claim 23 words
The system of claim 18 comprised of a material selected from the group consisting of aluminum, stainless steel, polycarbonate, polyphenylene ether and nylon.
Claim 33
Dependent Claim 11 words
The system of claim 18 , wherein the frame is articulated.
Claim 34
Dependent Claim 17 words
The system of claim 25 , wherein the frame comprises frame members hingedly connected to each other.
Claim 35
Dependent Claim 18 words
The system of claim 25 , wherein the frame has a portion comprised of flexible metal or plastic.
Claim 36
Dependent Claim 13 words
The system of claim 18 , wherein the hub further comprises a pinion.
Claim 37
Dependent Claim 27 words
The system of claim 28 , further comprising an elastic band adapted to cooperate with the pinion of the hub and another pinion of a second hub.
Claim 38
Dependent Claim 119 words
A surgical retractor system for use in surgery comprising: (a) a blade assembly having a blade member and an extension having a plurality of notches adapted to receive a portion of a surgical retractor stay; (b) a frame having a plurality of apertures and a plurality of teeth substantially surrounding each aperture, each aperture including an indentation; (c) a hub having a bore and a plurality of projections; and (d) a pin having a stud, the pin received by the bore and one of the apertures, wherein the pin couples the hub and frame, and the teeth and the projections cooperate to provide a ratchet mechanism, and wherein the stud and indentation cooperate to provide a cam locking mechanism.
Claim 39
Dependent Claim 119 words
A surgical retractor system for use in surgery comprising: (a) a blade assembly having a blade member and an extension having a plurality of notches adapted to receive a portion of a surgical retractor stay; (b) a frame having a plurality of apertures and a plurality of teeth substantially surrounding each aperture, each aperture including an indentation; (c) a hub having a bore and a plurality of projections; and (d) a pin having a stud, the pin received by the bore and one of the apertures, wherein the pin couples the hub and frame, and the teeth and the projections cooperate to provide a ratchet mechanism, and wherein the stud and indentation cooperate to provide a cam locking mechanism.
Claim 40
Independent Claim 141 words
A method of retracting tissue at an incision during a surgical procedure using a retractor frame having an aperture, a hub having a bore, and a pin received by the bore and the aperture and coupling the hub to the frame, wherein the pin has a stud and the aperture has an indentation for receiving the stud and further wherein the stud and indentation cooperate to provide a cam locking mechanism, the method comprising the steps of: (a) applying a retractor frame conformed to fit a surface of a patient's body; (b) attaching a paddle arm to the frame, the paddle arm having a blade assembly having a blade member that includes an extension adapted to receive a portion of a stay; (c) adjusting the paddle arm to retract the tissue; and (d) removing the frame after completing the surgical procedure.
Claim 41
Independent Claim 141 words
A method of retracting tissue at an incision during a surgical procedure using a retractor frame having an aperture, a hub having a bore, and a pin received by the bore and the aperture and coupling the hub to the frame, wherein the pin has a stud and the aperture has an indentation for receiving the stud and further wherein the stud and indentation cooperate to provide a cam locking mechanism, the method comprising the steps of: (a) applying a retractor frame conformed to fit a surface of a patient's body; (b) attaching a paddle arm to the frame, the paddle arm having a blade assembly having a blade member that includes an extension adapted to receive a portion of a stay; (c) adjusting the paddle arm to retract the tissue; and (d) removing the frame after completing the surgical procedure.
Claim 42
Dependent Claim 12 words
The method of claim 31 , wherein the hub includes a pinion.
Claim 43
Independent Claim 122 words
A method of retracting tissue at an incision during a surgical procedure using a retractor frame having an aperture and a hub, wherein the aperture includes a plurality of teeth and the hub includes a plurality of projections, the pluralities of teeth and projections cooperating to provide a ratchet mechanism, the method comprising the steps of: (a) applying the retractor frame conformed to fit a surface of a patient's body; (b) attaching a paddle arm to the retractor frame, the paddle arm having a blade assembly having a blade member that includes an extension adapted to receive a portion of a stay; (c) adjusting the paddle arm to retract the tissue; and (d) removing the retractor frame after completing the surgical procedure.
Claim 44
Independent Claim 122 words
A method of retracting tissue at an incision during a surgical procedure using a retractor frame having an aperture and a hub, wherein the aperture includes a plurality of teeth and the hub includes a plurality of projections, the pluralities of teeth and projections cooperating to provide a ratchet mechanism, the method comprising the steps of: (a) applying the retractor frame conformed to fit a surface of a patient's body; (b) attaching a paddle arm to the retractor frame, the paddle arm having a blade assembly having a blade member that includes an extension adapted to receive a portion of a stay; (c) adjusting the paddle arm to retract the tissue; and (d) removing the retractor frame after completing the surgical procedure.
Claim 45
Dependent Claim 39 words
The method of claim 33 , wherein the frame includes a second aperture and a second hub, each of the hubs including a pinion, further comprising the step of attaching an elastic band to the pinions of the hubs.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-10-21 2006-04-22 2006-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-10-21 2010-04-22 2010-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-10-21 2014-04-22 2014-10-22 $7700.00 Window Closed / Lapsed

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