Surgical instrument with modular end effector
First Claim
1. A surgical instrument comprising:
- (a) a body assembly comprising;
i. a casing,ii. a first elongate member extending distally from the casing,iii. a second elongate member extending distally from the casing, wherein the second elongate member is operable to translate relative to the first elongate member, andiv. a transducer engagement feature movably coupled with the casing, wherein at least a portion of the transducer engagement feature extends from the casing, wherein the transducer engagement feature comprises an electrical connector; and
(b) a transducer and blade assembly comprising;
i. a transducer, wherein the transducer engagement feature is movable relative to the casing to selectively restrain the transducer within the casing, wherein the transducer comprises a notch having a ring connector disposed therein, andii. a blade assembly acoustically coupled to and extending distally from the transducer, wherein the blade assembly is operable to sever tissue.
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0 Petitions
Accused Products
Abstract
A surgical instrument may include a reusable body assembly, a reusable transducer and blade assembly, and a disposable end effector. The transducer and blade assembly may be latched into the body assembly. One version may include an electrical connector on the latch member to electrically couple the body assembly to the transducer. The end effector may include an outer sheath portion coupleable to an outer sheath of the body assembly via a bayonet connection and a clamp arm pivotably coupled to the outer sheath portion. In some versions, an inner tubular member of the body assembly may also couple to an inner tube portion via a bayonet connection. The inner tubular member may include a key to align with a slot on the transducer and blade assembly to align the clamp arm with the blade. The end effector may alternatively couple via threading or ratcheting teeth having a slip feature.
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Citations
20 Claims
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1. A surgical instrument comprising:
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(a) a body assembly comprising; i. a casing, ii. a first elongate member extending distally from the casing, iii. a second elongate member extending distally from the casing, wherein the second elongate member is operable to translate relative to the first elongate member, and iv. a transducer engagement feature movably coupled with the casing, wherein at least a portion of the transducer engagement feature extends from the casing, wherein the transducer engagement feature comprises an electrical connector; and (b) a transducer and blade assembly comprising; i. a transducer, wherein the transducer engagement feature is movable relative to the casing to selectively restrain the transducer within the casing, wherein the transducer comprises a notch having a ring connector disposed therein, and ii. a blade assembly acoustically coupled to and extending distally from the transducer, wherein the blade assembly is operable to sever tissue. - 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 comprising:
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(a) a body assembly comprising; i. a casing, ii. a proximal outer sheath extending distally from the casing, iii. a proximal inner tubular member disposed within the proximal outer sheath, iv. a waveguide disposed within the proximal inner tubular member, and v. a slip feature; and (b) an end effector comprising; i. a distal outer sheath, wherein the distal outer sheath is selectively coupleable to the proximal outer sheath, ii. a distal inner tubular member disposed within the distal outer sheath, wherein the distal inner tubular member is selectively coupleable to the proximal inner tubular member, and iii. a blade disposed within the distal inner tubular member, wherein the blade is selectively coupleable to the waveguide; wherein the entire end effector is operable to be coupled or decoupled from the proximal outer sheath, the proximal inner tubular member, and the waveguide as an assembly, wherein the slip feature is configured to limit the force applied to the proximal inner tubular member when the end effector is coupled to the proximal outer sheath, the proximal inner tubular member, and the waveguide. - View Dependent Claims (19)
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20. A surgical instrument comprising:
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(a) a body assembly comprising; i. a casing, ii. a shaft extending distally from the casing, iii. an ultrasonic transducer at least partially disposed within the casing, and iv. a pivoting member, wherein the pivoting member is pivotably coupled to the casing, wherein a first end of the pivoting member comprises an electrical connector, wherein a second end of the pivoting member extends from the casing, wherein the pivoting member is configured to selectively electrically connect with the ultrasonic transducer and to further selectively prevent longitudinal translation of the ultrasonic transducer relative to the casing; and (b) an acoustic transmission assembly configured to removably couple with the transducer.
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Specification