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公开(公告)号：US11490920B2
公开(公告)日：2022-11-08
申请号：US17038308
申请日：2020-09-30
Applicant: Covidien LP
Inventor： Jason L. Craig , Ryan C. Artale , Thomas W. Meiser , Roland Jeffrey Wyatt
Abstract: A surgical instrument includes a housing, an end effector, a movable handle, and a drive assembly. The movable handle includes first and second cantilever spring arms and is movable relative to the housing between a spaced-apart position and an approximated position. The first cantilever spring arm is flexed upon movement of the movable handle from the spaced-apart position towards the approximated position to bias the movable handle towards the spaced-apart position. The drive assembly is operably coupled between the movable handle and the end effector such that movement of the movable handle from the spaced-apart position towards the approximated position moves the end effector from an open position towards a clamping position for clamping tissue. The second cantilever spring arm is flexed upon application of a threshold pressure to tissue clamped by the end effector to control an amount of pressure applied to tissue clamped by the end effector.
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公开(公告)号：US20220117622A1
公开(公告)日：2022-04-21
申请号：US17071263
申请日：2020-10-15
Applicant: Covidien LP
Inventor： Jason L. Craig , Kenneth E. Netzel , Michael J. Brown , Christopher T. Tschudy , Weng-Kai Lee
Abstract: A surgical instrument includes a housing, an end effector including a clamp jaw, a drive member extending distally from the housing, and a clamp lever pivotably coupled to the housing. The drive member is operably coupled to the clamp jaw such that translation of the drive member pivots the clamp jaw from an open position towards a clamping position. The clamp lever is operably coupled to the drive member via a rigid slider. The clamp jaw is configured to provide a jaw force to clamped tissue, measured at about 0.192 inches from a distal end of the clamp jaw, of from about 1 lbf to about 8 lbf in response to a full actuation of the clamp lever.
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公开(公告)号：US11123093B2
公开(公告)日：2021-09-21
申请号：US16505831
申请日：2019-07-09
Applicant: COVIDIEN LP
Inventor： Kenneth E. Netzel , Jason L. Craig
IPC: A61B17/295 , A61B17/32 , A61B17/29
Abstract: A surgical instrument includes an elongated body operably connected to a jaw member and a blade. The elongated body includes an inner tube and an outer tube configured to move laterally with respect to one another. A drive arm has a first end engaged to the outer tube and a second end pivotably coupled to the jaw member configured to move laterally in tandem with the outer tube such that motion of the outer tube in a first direction pulls the jaw member away from the blade, and motion of the outer tube in a second direction pushes the jaw member towards the blade. The drive arm includes a semi-rigid material configured to flex when compressed, such that flexion of the drive arm can offload excess force exerted by the outer tube on the jaw member.
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公开(公告)号：US10987124B2
公开(公告)日：2021-04-27
申请号：US15800833
申请日：2017-11-01
Applicant: COVIDIEN LP
Inventor： Kenneth E. Netzel , Jason L. Craig
Abstract: A jaw member for use with a surgical instrument includes a support base, a jaw liner, and an elongated plate. The support base defines a cavity therein configured for receipt of the jaw liner. The elongated plate is configured to be seated in the cavity of the support base adjacent the jaw liner to secure the jaw liner relative to the support base.
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公开(公告)号：US10966746B2
公开(公告)日：2021-04-06
申请号：US16210564
申请日：2018-12-05
Applicant: Covidien LP
Inventor： Jason L. Craig , Scott N. Lacosta , Kenneth E. Netzel , Clifford D. Owens , James R. Fagan
Abstract: A removable component configured for insertion into an internal compartment of a surgical instrument is provided including a housing defining first and second ends, a grasping member, and a biasing member. The grasping member is operably coupled to the housing at the second end thereof and is movable relative to the housing between a presented position, wherein at least a portion of the grasping member is spaced-apart from the second end of the housing, and a stored position, wherein the grasping member is approximated relative to the second end of the housing. The biasing member is disposed between the grasping member and the second end of the housing and is configured to bias the grasping member towards the presented position. Systems including a surgical instrument and such a removable component and methods of assembling a surgical instrument using the same are also provided.
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Patent Agency Ranking
公开(公告)号：US20210007771A1
公开(公告)日：2021-01-14
申请号：US17038308
申请日：2020-09-30
Applicant: Covidien LP
Inventor： Jason L. Craig , Ryan C. Artale , Thomas W. Meiser , Roland Jeffrey Wyatt
IPC: A61B17/32 , A61B17/29 , A61B17/295 , A61B90/00 , G10K11/22
Abstract: A surgical instrument includes a housing, an end effector, a movable handle, and a drive assembly. The movable handle includes first and second cantilever spring arms and is movable relative to the housing between a spaced-apart position and an approximated position. The first cantilever spring arm is flexed upon movement of the movable handle from the spaced-apart position towards the approximated position to bias the movable handle towards the spaced-apart position. The drive assembly is operably coupled between the movable handle and the end effector such that movement of the movable handle from the spaced-apart position towards the approximated position moves the end effector from an open position towards a clamping position for clamping tissue. The second cantilever spring arm is flexed upon application of a threshold pressure to tissue clamped by the end effector to control an amount of pressure applied to tissue clamped by the end effector.
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公开(公告)号：US10792064B2
公开(公告)日：2020-10-06
申请号：US15670101
申请日：2017-08-07
Applicant: COVIDIEN LP
Inventor： Jason L. Craig , Ryan C. Artale , Thomas W. Meiser , Roland Jeffrey Wyatt
Abstract: A surgical instrument includes a housing, an end effector, a movable handle, and a drive assembly. The movable handle includes first and second cantilever spring arms and is movable relative to the housing between a spaced-apart position and an approximated position. The first cantilever spring arm is flexed upon movement of the movable handle from the spaced-apart position towards the approximated position to bias the movable handle towards the spaced-apart position. The drive assembly is operably coupled between the movable handle and the end effector such that movement of the movable handle from the spaced-apart position towards the approximated position moves the end effector from an open position towards a clamping position for clamping tissue. The second cantilever spring arm is flexed upon application of a threshold pressure to tissue clamped by the end effector to control an amount of pressure applied to tissue clamped by the end effector.
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公开(公告)号：US10603065B2
公开(公告)日：2020-03-31
申请号：US15425544
申请日：2017-02-06
Applicant: COVIDIEN LP
Inventor： Jason L. Craig , Kenneth E. Netzel
Abstract: A jaw member for use with a surgical instrument includes a support base, a jaw liner, and a jaw overmold. The support base has a proximal portion configured to be pivotably coupled to a surgical instrument, and a distal portion. The support base defines a channel that extends longitudinally between the proximal and distal portions and an aperture disposed in communication with the channel. The jaw liner includes an elongate body configured for receipt in the channel of the support base, and a projection extending from the elongate body and configured for receipt in the aperture of the support base. The jaw overmold overlaps at least a portion of the support base and the jaw liner to fix the jaw liner to the support base.
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公开(公告)号：US11478268B2
公开(公告)日：2022-10-25
申请号：US16993960
申请日：2020-08-14
Applicant: Covidien LP
Inventor： Michael J. Brown , Jason L. Craig , Matthias Lester , Matthew S. Cowley
Abstract: A surgical instrument includes a support frame defining first and second non-circular apertures each defining at least one stop surface, and a jaw member having a structural body including a proximal flange portion and an elongated distal portion extending distally from the proximal flange portion. A jaw liner is engaged with the elongated distal portion and defines a tissue-contacting surface. A first and a second pivot boss protrude from opposite sides of the proximal flange portion and at least partially into the first and second non-circular apertures, respectively. Each pivot boss is non-circular and defines at least one stop surface configured to mate with the at least one stop surface of the respective non-circular aperture to stop rotation of the jaw member before the jaw liner is forced into contact with a blade from the surgical instrument. A surgical instrument including such a jaw member is also provided.
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公开(公告)号：US20220117623A1
公开(公告)日：2022-04-21
申请号：US17071315
申请日：2020-10-15
Applicant: Covidien LP
Inventor： Jason L. Craig , Kenneth E. Netzel , Michael J. Brown , Christopher T. Tschudy , Weng-Kai Lee
IPC: A61B17/32
Abstract: An ultrasonic surgical instrument includes a housing, a waveguide extending from the housing to a blade, a clamp jaw pivotable relative to the blade to clamp tissue, a drive member extending from the housing to the end effector and operably coupled to the clamp jaw such that translation of the drive member pivots the clamp jaw to exert a jaw force on the clamped tissue, a rigid slider operably coupled to the drive member such that translation of the rigid slider results in corresponding translation of the drive member, and a clamp lever. The clamp lever is actuatably coupled to the housing and operably coupled to the rigid slider such that a full actuation of the clamp lever translates the rigid slider and the drive member to thereby pivot the clamp jaw from the open position towards the clamping position with substantially no dampening of the jaw force.
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