Surgical instrument with jaw member
First Claim
Patent Images
1. A surgical instrument for supplying energy to tissue, comprising:
- a handle;
a trigger;
an electrical input;
a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and
an end effector defining a longitudinal axis, comprising;
a first jaw member comprising a cammed compression surface along the longitudinal axis, the cammed compression surface comprising a multi-sloped track defining a first ramp having a first slope, the first ramp leading to a ridge having a flat portion, the ridge leading to a second ramp having a second slope;
a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position;
the first and second jaw members defining a channel;
a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and
at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position, wherein relative to a direction of travel of the compression element, the first slope is opposite that of the second slope.
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Accused Products
Abstract
A surgical instrument for supplying energy to tissue may comprise a handle, a trigger, an electrical input, and a shaft extending from the handle. The surgical instrument may comprise an end effector. The end effector may comprise a cammed compression surface. The end effector may comprise an electrode comprising a tapered tissue contacting surface. Some surgical instruments may comprise an overload member.
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Citations
51 Claims
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1. A surgical instrument for supplying energy to tissue, comprising:
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a handle; a trigger; an electrical input; a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and an end effector defining a longitudinal axis, comprising; a first jaw member comprising a cammed compression surface along the longitudinal axis, the cammed compression surface comprising a multi-sloped track defining a first ramp having a first slope, the first ramp leading to a ridge having a flat portion, the ridge leading to a second ramp having a second slope; a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position; the first and second jaw members defining a channel; a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position, wherein relative to a direction of travel of the compression element, the first slope is opposite that of the second slope. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A surgical instrument for supplying energy to tissue, comprising:
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a handle; a trigger; an electrical input; a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and an end effector defining a longitudinal axis, comprising; a first jaw member comprising a cammed compression surface along the longitudinal axis, the cammed compression surface comprising a closure track having a first portion, a second portion, and a third portion; a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position; the first and second jaw members defining a channel; a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position; and wherein the closed position comprises a first closed position, a second closed position, and a third closed position, the first closed position is defined such that the first jaw member and the second jaw member are separated by a first distance when the first jaw member and the second jaw member are in the first closed position, the second closed position is defined such that the first jaw member and the second jaw member are separated by a second distance when the first jaw member and the second jaw member are in the second closed position, and the third closed position is defined such that the first jaw member and the second jaw member are separated by a third distance when the first jaw member and the second jaw member are in the third closed position; and wherein the first distance is greater than the second distance and the third distance is greater than the second distance; and wherein the at least one compression element engages the first portion and causes the first jaw member to move into the first closed position; and wherein the at least one compression element engages the second portion and causes the first jaw member to move into the second closed position; and wherein the at least one compression element engages the third portion and causes the first jaw member to move into the third closed position. - View Dependent Claims (19, 20)
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21. A surgical instrument for supplying energy to tissue, comprising:
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a handle; a trigger; an electrical input; a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and an end effector defining a longitudinal axis, comprising; a first jaw member comprising a cammed compression surface along the longitudinal axis; a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position; the first and second jaw members defining a channel; a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position; and wherein the cutting member is comprised of a first outer band, a center band, and a second outer band, wherein at least one of the first outer band and the second outer band is translatable with respect to the center band; and wherein each of the first outer band, the center band, and the second outer band collectively define an aperture sized to receive the at least one compression element. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A surgical instrument for supplying energy to tissue, comprising:
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a handle; a trigger; an electrical input; a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and an end effector defining a longitudinal axis, comprising; a first jaw member comprising a cammed compression surface along the longitudinal axis. a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position; the first and second jaw members defining a channel; a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position; and wherein the cutting member is comprised of a first outer band, a center band, and a second outer band, wherein at least one of the first outer band and the second outer band is translatable with respect to the center band; and wherein the center band defines a vertical slot and the first and second outer bands define notches angled with respect to the vertical slot, wherein the vertical slot and the notches collectively define an aperture sized to receive the at least one compression element. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38)
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39. A surgical instrument for supplying energy to tissue, comprising:
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a handle; a trigger; an electrical input; a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and an end effector defining a longitudinal axis, comprising; a first jaw member comprising a cammed compression surface along the longitudinal axis; a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position; the first and second jaw members defining a channel; a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position; and wherein the cutting member is comprised of a first outer band, a center band, and a second outer band, wherein at least one of the first outer band and the second outer band is translatable with respect to the center band; and wherein the first and second outer bands translate distally with respect to the center band when the cutting member translates from the retracted position to the fully advanced position, and wherein the first and second outer bands translate proximally with respect to the center band when the cutting member translates from the fully advanced position to the retracted position. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46)
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47. A surgical instrument for supplying energy to tissue, comprising:
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a handle; a trigger; an electrical input; a shaft extending from the handle, wherein the shaft comprises a conductor, and wherein the trigger is selectively actuatable to electrically couple the electrical input and the conductor; and an end effector defining a longitudinal axis, comprising; a first jaw member comprising a cammed compression surface along the longitudinal axis; a second jaw member, wherein at least one of the first jaw member and the second jaw member is movable relative to the other of the first jaw member and the second jaw member between an open and a closed position to clamp tissue intermediate the first jaw member and the second jaw member in the closed position; the first and second jaw members defining a channel; a cutting member including a distal end, wherein the cutting member is sized and configured to fit at least partially within the channel, the cutting member configured to translate along the channel between a retracted position and a fully advanced position; and at least one compression element extending from the cutting member and contacting the cammed compression surface, wherein the at least one compression element engages the cammed compression surface to move the first and second jaw members from the open position to the closed position when the cutting member translates with respect to the first and second jaw members beyond the retracted position; and wherein the at least one compression element is a pin having a longitudinal axis, the pin having at least two different outer diameters along the longitudinal axis. wherein the pin has a first diameter and a second diameter, wherein the first diameter is larger than the second diameter, wherein the cutting member is comprised of a first outer band, wherein the first outer band defines a slot having a first and second widths, wherein the first width is larger than the first diameter and the second width is greater than the second diameter by less than the first diameter. - View Dependent Claims (48, 49, 50, 51)
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Specification