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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0766476 (2010-04-23) |
등록번호 | US-8679114 (2014-03-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 761 |
An electrode sealing assembly for use with an electrosurgical instrument for sealing tissue includes first and second jaw members which are movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue. The jaw members include electrical
An electrode sealing assembly for use with an electrosurgical instrument for sealing tissue includes first and second jaw members which are movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue. The jaw members include electrically conductive sealing plates designed to selectively transmit electrosurgical energy to tissue disposed between the sealing plates. The jaw members also include a thermoelectric cooling plate having a first surface in direct contact with an outer surface of the sealing plate. The thermoelectric cooling plate includes first and second electrical connections on opposite sides of the jaw member. The first connection is configured to selectively transmit a first electrical potential and the second connection is configured to selectively transmit a second electrical potential such that heat generated by the sealing plates is transferred away from the tissue via the thermoelectric cooling plate.
1. An electrode sealing assembly designed for use with an electrosurgical instrument for sealing tissue, comprising: first and second jaw members movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue therebetween, the jaw members
1. An electrode sealing assembly designed for use with an electrosurgical instrument for sealing tissue, comprising: first and second jaw members movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue therebetween, the jaw members including:electrically conductive sealing plates disposed in opposing relation to one another,at least one jaw member including: a thermoelectric cooling plate having a first surface in direct contact with an outer surface of the sealing plate, the thermoelectric cooling plate including first and second electrical connections disposed on opposite sides of the thermoelectric cooling plate, the first connection configured to selectively transmit a first electrical potential and the second connection configured to selectively transmit a second electrical potential such that heat generated by the sealing plates is transferred away from the tissue via the thermoelectric cooling plate,wherein the electrically conductive seal plates each include inward lateral side edges, the inward lateral side edges and the first surface of the thermoelectric cooling plate configured to form a knife slot therebetween dimensioned to receive a knife blade therein, the knife blade disposed substantially adjacent and in proximity to the thermoelectric cooling plate to enable heat transfer from the knife blade to the thermoelectric cooling plate,and wherein the at least one jaw member further includes a first heat sink disposed in contact with a second surface of the thermoelectric cooling plate,the first heat sink made from a thermally conductive, electrically insulative cool polymer. 2. An electrode sealing assembly according to claim 1, wherein the first heat sink includes a coolant line disposed therethrough. 3. An electrode sealing assembly according to claim 2, wherein the coolant line is configured to receive a coolant therethrough to absorb heat from the thermoelectric cooling plate. 4. An electrode sealing assembly according to claim 3, wherein the coolant is a thermally conductive, non-electrically conductive fluid. 5. An electrode sealing assembly according to claim 4, wherein the thermally conductive, non-electrically conductive fluid is selected from the group consisting of air, nitrogen and carbon dioxide. 6. An electrode sealing assembly according to claim 3, wherein the coolant is a medicinal fluid. 7. An electrode sealing assembly according to claim 1, wherein each jaw member includes a cooling line disposed therethrough which is configured to convey a cooling liquid through the cooling line to absorb heat from the sealing plates during sealing. 8. An electrode sealing assembly according to claim 7, wherein the cooling line is configured to be coupled to a second heat sink for transferring heat from the jaw members. 9. An electrode sealing assembly according to claim 7, wherein the cooling liquid is a thermally conductive, non-electrically conductive fluid. 10. An electrode sealing assembly according to claim 9, wherein the thermally conductive, non-electrically conductive fluid is selected from the group consisting of air, nitrogen and carbon dioxide. 11. An electrode sealing assembly according to claim 1, wherein the at least one jaw member further includes a coolant line disposed in contact with the thermoelectric cooling plate and the cool polymer is in thermal communication with the coolant line. 12. An electrode sealing assembly according to claim 11, wherein the coolant line is configured to receive a coolant to absorb heat from the thermoelectric cooling plate. 13. An electrode sealing assembly according to claim 12, wherein the coolant is a thermally conductive, non-electrically conductive fluid. 14. An electrode sealing assembly according to claim 13, wherein the thermally conductive, non-electrically conductive fluid is selected from the group consisting of air, nitrogen and carbon dioxide. 15. An electrode sealing assembly according to claim 11, wherein the coolant is a medicinal fluid. 16. An electrode sealing assembly, comprising: first and second jaw members movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue therebetween,the jaw members including: electrically conductive sealing plates disposed in opposing relation to one another;a coolant line embedded in the electrically conductive sealing plate of at least one of the first and second jaw members;a thermoelectric cooling plate having a first surface in direct contact with an outer surface of the electrically conductive sealing plate having the coolant line embedded therein, the thermoelectric cooling plate including first and second electrical connections disposed on opposite sides of the thermoelectric cooling plate, the first connection configured to selectively transmit a first electrical potential and the second connection configured to selectively transmit a second electrical potential such that heat generated by the sealing plate is transferred away from the tissue via the thermoelectric cooling plate; anda heat sink disposed in contact with the thermoelectric cooling plate, the heat sink made from a thermally conductive, electrically insulating cool polymer. 17. An electrode sealing assembly designed for use with an electrosurgical instrument for sealing tissue, comprising: first and second jaw members movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue therebetween, the jaw members including:electrically conductive sealing plates disposed in opposing relation to one another,at least one jaw member including: a thermoelectric cooling plate having a first surface in direct contact with an outer surface of the sealing plate, the thermoelectric cooling plate including first and second electrical connections disposed on opposite sides of the thermoelectric cooling plate, the first connection configured to selectively transmit a first electrical potential and the second connection configured to selectively transmit a second electrical potential such that heat generated by the sealing plates is transferred away from the tissue via the thermoelectric cooling plate,wherein the electrically conductive seal plates each include inward lateral side edges, the inward lateral side edges and the first surface of the thermoelectric cooling plate configured to form a knife slot therebetween dimensioned to receive a knife blade therein, the knife blade disposed substantially adjacent and in proximity to the thermoelectric cooling plate to enable heat transfer from the knife blade to the thermoelectric cooling platewherein the at least one jaw member further includes a first heat sink disposed in contact with a second surface of the thermoelectric cooling plate,the first heat sink configured to be coupled to a second heat sink for transferring heat from the jaw member, the second heat sink made from a thermally conductive, electrically insulative cool polymer. 18. An electrode sealing assembly according to claim 17, wherein the second heat sink includes a coolant line disposed therethrough. 19. An electrode sealing assembly according to claim 18, wherein the coolant line is configured to receive a coolant therethrough to absorb heat from the thermoelectric cooling plate. 20. An electrode sealing assembly according to claim 19, wherein the coolant is a thermally conductive, non-electrically conductive fluid. 21. An electrode sealing assembly according to claim 20, wherein the thermally conductive, non-electrically conductive fluid is selected from the group consisting of air, nitrogen and carbon dioxide. 22. An electrode sealing assembly according to claim 21, wherein the coolant is a medicinal fluid.
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