Patent
Port access visualization platform
| العنوان: | Port access visualization platform |
|---|---|
| Patent Number: | 9,339,264 |
| تاريخ النشر: | May 17, 2016 |
| Appl. No: | 13/408640 |
| Application Filed: | February 29, 2012 |
| مستخلص: | A medical system generally comprises a camera head, a beam, and a guide sheath. The camera head is connected to the beam which is bendable in a first direction and resists bending in a second direction opposite the first direction. The guide sheath slidably receives the beam, the beam extending through a distal end of the guide sheath such that the camera head projects from the distal end of the guide sheath. The guide sheath includes first and second sheath portions, and in an operative configuration the first sheath portion is angled relative to the second sheath portion to define a first bend. The beam is oriented relative to the guide sheath such that, as the beam is slid relative to guide sheath, the beam bends in the first direction through the first bend, and a projecting portion of the beam resists bending in the second direction. |
| Inventors: | Piech, David Keith (Belle Mead, NJ, US); Jampala, Deepthi (Cary, NC, US); Surti, Vihar C. (Winston-Salem, NC, US); Martinez, Michelle D. (Winston-Salem, NC, US); Sigmon, Jr., John Crowder (Greensboro, NC, US); Wagner, David R. (Clemmons, NC, US) |
| Assignees: | Cook Medical Technologies LLC (Bloomington, IN, US) |
| Claim: | 1. A medical system for use intracorporeally to assist in surgical procedures beneath a tissue layer, the system comprising: a camera; a beam having a distal end attached to the camera, the beam bendable in a first direction and resisting bending in a second direction opposite the first direction; a guide sheath slidably receiving the beam, the beam extending through a distal end of the guide sheath such that the camera projects from the distal end of the guide sheath, the guide sheath including a first sheath portion defining a first axis and a second sheath portion defining a second axis, the guide sheath having an operative configuration wherein the first sheath portion is angled relative to the second sheath portion to define a first bend, a third sheath portion angled relative to the second portion to define a second bend; and the beam structured and oriented relative to the guide sheath such that, as the beam is slid relative to guide sheath, the beam bends in the first direction through the first bend, and a projecting portion of the beam projecting from the distal end of the guide sheath prevents substantial bending in the second direction. |
| Claim: | 2. The medical system of claim 1 , wherein the beam sufficiently resists bending such that it does not bend under its own weight and the weight of the camera. |
| Claim: | 3. The medical system of claim 1 , wherein the beam sufficiently resists bending such that the projecting portion of the beam defines a beam axis extending linearly from the distal end of the guide sheath. |
| Claim: | 4. The medical system of claim 1 , wherein the beam is hollow to define a passageway extending to the distal end of the beam, and further comprising a control wire extending through the passageway and operatively connected to the camera. |
| Claim: | 5. The medical system of claim 1 , wherein the first bend is formed by the first sheath section being angled about 90 degrees relative to the second sheath section. |
| Claim: | 6. The medical system of claim 1 , wherein the first sheath section is rotatably attached to the second sheath section. |
| Claim: | 7. The medical system of claim 6 , wherein the guide sheath has an introduction configuration wherein the first sheath section is generally parallel to the second sheath section. |
| Claim: | 8. The medical system of claim 1 , wherein the first sheath section is operable to rotate relative to the second sheath section over an arc spanning about 90 to about 135 degrees. |
| Claim: | 9. The medical system of claim 1 , wherein the second bend is at a fixed angle. |
| Claim: | 10. The medical system of claim 1 , wherein the first and second bend are oriented in the operative configuration to bend the beam over 180 degrees such that a proximal beam portion is about parallel to a distal beam portion. |
| Claim: | 11. The medical system of claim 1 , further comprising a camera head supporting the camera and attached to the distal end of the beam, wherein the camera head includes a proximal head portion fixed to the beam and a distal head portion rotatably attached to the proximal head portion. |
| Claim: | 12. The medical system of claim 11 , wherein the distal head portion rotates about a pivot axis such that the distal head portion is angled relative to the proximal head portion. |
| Claim: | 13. The medical system of claim 12 , wherein the pivot axis is perpendicular to a longitudinal axis of a projecting portion of the beam that projects from the guide sheath. |
| Claim: | 14. The medical system of claim 11 , wherein the distal head portion rotates about a pivot axis, the pivot axis about parallel to a longitudinal axis of a projecting portion of the beam that projects from the guide sheath. |
| Claim: | 15. The medical system of claim 14 , further comprising an intermediate head portion interconnecting the proximal and distal head portions, wherein the intermediate head portion is rotatable relative to one of the proximal and distal head portions about a first pivot axis such that the distal head portion is angled relative to the proximal head portion, and wherein the intermediate head portion is rotatable relative to other of the proximal and distal head portions about a second pivot axis that is about parallel to a longitudinal axis of a projecting portion of the beam that projects from the guide sheath. |
| Claim: | 16. The medical system of claim 1 , further comprising a port positionable within the tissue layer, wherein the guide sheath has an introduction configuration wherein the first sheath portion is angled between about 0 degrees and 135 degrees relative to the second sheath portion and sized such that the first sheath portion may pass through the port such that the beam extends from a first side of the tissue layer to a second side of the tissue layer opposite the first side. |
| Claim: | 17. The medical system of claim 1 , wherein the beam is structured such that the projecting portion of the beam always prevents substantial bending in the second direction. |
| Claim: | 18. The medical system of claim 1 , wherein adjacent links are directly hinged together at their ends on a first side facing the first direction, and wherein the plurality of links each include second end surfaces spaced in the second direction from the first side, wherein second end surfaces of adjacent links abut each other. |
| Claim: | 19. A medical system for use intracorporeally to assist in surgical procedures beneath a tissue layer, the system comprising: a camera; a beam having a distal end attached to the camera, the beam bendable in a first direction and resisting bending in a second direction opposite the first direction; a guide sheath slidably receiving the beam, the beam extending through a distal end of the guide sheath such that the camera projects from the distal end of the guide sheath, the guide sheath including a first sheath portion defining a first axis and a second sheath portion defining a second axis, the guide sheath having an operative configuration wherein the first sheath portion is angled relative to the second sheath portion to define a first bend; the beam structured and oriented relative to the guide sheath such that, as the beam is slid relative to guide sheath, the beam bends in the first direction through the first bend, and a projecting portion of the beam projecting from the distal end of the guide sheath prevents substantial bending in the second direction; and a handle attached to the guide sheath. |
| Claim: | 20. The medical system of claim 19 , wherein the beam is formed by a plurality of links connected together for relative rotation between adjacent links, and wherein the links forming the projecting portion are structured to be incapable of rotating in the second direction relative to adjacent links. |
| Claim: | 21. The medical system of claim 20 , wherein the links are connected by at least one bendable strip attached to each link on the first side of each link. |
| Claim: | 22. The medical system of claim 20 , wherein the links include tabs pivotally connected to an adjacent link. |
| Claim: | 23. The medical system of claim 20 , wherein, when the beam extends in a straight line, the end surfaces include abutting portions positioned away from the first side towards the second direction. |
| Claim: | 24. The medical system of claim 19 , wherein the first sheath section is rotatable relative to the second sheath section, and wherein the beam is hollow to define a passageway extending to the distal end of the beam, and a further comprising a sheath control wire extending through the passageway and operatively connected to the first sheath section. |
| Claim: | 25. The medical system of claim 24 , wherein the camera head includes a proximal head portion fixed to the beam and a distal head portion rotatably attached to the proximal head portion, and further comprising a camera control wire extending through the passageway of the beam operatively connected to the camera head. |
| Claim: | 26. The medical system of claim 24 , wherein at least two of mechanical, electrical and optical control wires extend through the passageway of the beam for operation of the camera head. |
| Claim: | 27. The medical system of claim 19 , wherein the handle includes a handle housing and a control slider slidably attached thereto, the control slider attached to the beam for translation of the beam through the guide sheath to position the camera head relative to the guide sheath. |
| Claim: | 28. The medical system of claim 19 , wherein the beam is structured as a one-way bending beam and is incapable of bending substantially in the second direction. |
| Claim: | 29. The medical system of claim 19 , wherein the beam is formed by a plurality of links connected together for relative rotation between adjacent links, and wherein the links include a first side facing the first direction, and a second side facing the second direction, and wherein adjacent links are pivotally connected together about a pivot point located at their respective first sides. |
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| Other References: | International Search Report/Written Opinion for PCT/US2010/051111 (Jan. 1, 2011). cited by applicant Office Action dated Apr. 11, 2012 in related application. cited by applicant Office Action dated Oct. 26, 2012 in related application. cited by applicant Final Office Action dated Mar. 14, 2013 in related application. cited by applicant Office Action dated Nov. 21, 2014 in related application. cited by applicant Final Office Action dated Mar. 10, 2015 in related application. cited by applicant Office Action dated Jun. 2, 2015 in related application. cited by applicant |
| Primary Examiner: | Hoffman, Mary |
| Attorney, Agent or Firm: | Brinks Gilson & Lione |
| رقم الانضمام: | edspgr.09339264 |
| قاعدة البيانات: | USPTO Patent Grants |
| الوصف غير متاح. |