Deep tissue surgical retractor apparatus and method of retracting tissue
First Claim
Patent Images
1. 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.
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Accused Products
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.
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Citations
34 Claims
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1. A surgical retractor system for use in surgery comprising:
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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. - View Dependent Claims (2, 3, 4)
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5. A surgical retractor system for use in surgery comprising:
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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. - View Dependent Claims (6, 7, 8, 9, 10, 11)
a blade assembly; and
a paddle arm having a first end connected to the hub and a second end connected to the blade assembly.
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7. The system of claim 5 comprised of a material selected from the group consisting of aluminum, stainless steel, polycarbonate, polyphenylene ether and nylon.
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8. The system of claim 5, wherein the frame is articulated.
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9. The system of claim 8, wherein the frame comprises frame members hingedly connected to each other.
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10. The system of claim 8, wherein the frame has a portion comprised of flexible metal or plastic.
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11. The system of claim 5, wherein the hub further comprises a pinion.
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12. A surgical retractor system for use in surgery comprising:
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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.
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13. A surgical retractor system for use in surgery comprising:
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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.
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14. A surgical retractor system for use in surgery comprising:
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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.
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15. A surgical retractor system for use in surgery comprising:
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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. - View Dependent Claims (16)
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17. A surgical retractor system for use in surgery comprising:
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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.
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18. A surgical retractor system for use in surgery comprising:
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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. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
a blade assembly; and
a paddle arm having a first end connected to the hub and a second end connected to the blade assembly.
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21. The system of claim 20, wherein the blade assembly further comprises an extension having notches for receiving a portion of a surgical retractor stay.
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22. 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.
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23. The system of claim 18, wherein the flange is concave.
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24. The system of claim 18 comprised of a material selected from the group consisting of aluminum, stainless steel, polycarbonate, polyphenylene ether and nylon.
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25. The system of claim 18, wherein the frame is articulated.
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26. The system of claim 25, wherein the frame comprises frame members hingedly connected to each other.
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27. The system of claim 25, wherein the frame has a portion comprised of flexible metal or plastic.
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28. The system of claim 18, wherein the hub further comprises a pinion.
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29. 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.
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30. A surgical retractor system for use in surgery comprising:
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(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.
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31. 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:
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(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. - View Dependent Claims (32)
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33. 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:
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(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. - View Dependent Claims (34)
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Specification