Surgical instruments and switch assemblies thereof
First Claim
1. A switch assembly for actuating functions of a hand-held surgical instrument, comprising:
- a switch housing defining a channel;
a first switch subassembly including;
a shaft disposed within the channel of the switch housing, wherein the shaft is configured to pivot relative to the switch housing about a first pivot axis to actuate a first function of a surgical instrument, and a second pivot axis to actuate a second function of a surgical instrument; and
an annular switch rotatably disposed within the switch housing to actuate at least one function of a surgical instrument.
1 Assignment
0 Petitions
Accused Products
Abstract
A switch assembly includes a switch housing, a first switch subassembly, and a second switch subassembly. The first switch subassembly includes a shaft and a toggle button. The shaft is disposed within the switch housing and has a proximal end portion and a distal end portion. The shaft is pivotable relative to the switch housing about at least one pivot axis to actuate at least one function of a surgical instrument. The proximal end portion of the shaft includes a magnet. The toggle button is non-rotatably connected to the distal end portion of the shaft. The second switch subassembly includes a safety bar and a post. The safety bar is axially movable within the switch housing. The post extends through the safety bar such that movement of the safety bar along a longitudinal axis thereof moves the post between a firing position and a non-firing position.
50 Citations
20 Claims
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1. A switch assembly for actuating functions of a hand-held surgical instrument, comprising:
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a switch housing defining a channel; a first switch subassembly including; a shaft disposed within the channel of the switch housing, wherein the shaft is configured to pivot relative to the switch housing about a first pivot axis to actuate a first function of a surgical instrument, and a second pivot axis to actuate a second function of a surgical instrument; and an annular switch rotatably disposed within the switch housing to actuate at least one function of a surgical instrument.
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2. A switch assembly for actuating functions of a hand-held surgical instrument, comprising:
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a switch housing defining a channel; and a first switch subassembly including; a shaft disposed within the channel of the switch housing, wherein the shaft is configured to pivot relative to the switch housing about a first pivot axis to actuate a first function of a surgical instrument, and a second pivot axis to actuate a second function of a surgical instrument; an inner member disposed within the channel of the switch housing, the inner member defining a spherical cavity therein, the shaft having a spherical proximal end portion disposed in the spherical cavity; an outer member prevented from moving distally relative to the switch housing, the inner member being non-rotatably disposed within the outer member; a pivoting member having a cone-shaped proximal end portion in abutment with a concave face of the outer member; and a biasing member disposed between the cone-shaped proximal end portion of the pivoting member and a toggle button to center the toggle button within the channel.
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3. A switch assembly for actuating functions of a hand-held surgical instrument, comprising:
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a switch housing defining a channel; and a first switch subassembly including; a shaft disposed within the channel of the switch housing and having a spherical proximal end portion, the shaft being configured to pivot relative to the switch housing about at least one axis to actuate at least one function of a surgical instrument, wherein the spherical proximal end portion of the shaft is disposed in a spherical cavity in the switch housing; a first keyed member rotatably connected to the spherical proximal end portion of the shaft; and a second keyed member rotatably connected to the spherical proximal end portion of the shaft such that the first and second keyed members resist rotation of the shaft about a longitudinal axis defined by the shaft. - View Dependent Claims (4, 5, 6, 7, 8)
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9. A switch assembly for actuating functions of a hand-held surgical instrument, comprising:
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a switch housing defining a channel; a first switch subassembly having a shaft disposed within the channel of the switch housing, wherein the shaft is configured to pivot relative to the switch housing about a first pivot axis to actuate a first function of a surgical instrument, and a second pivot axis to actuate a second function of a surgical instrument; and a second switch subassembly including; a safety bar extending through the switch housing, transverse to a longitudinal axis defined by the switch housing, the safety bar being axially movable in the switch housing; and a post extending through the safety bar, transversely thereto, such that movement of the safety bar along a longitudinal axis defined by the safety bar moves the post between a firing position and a non-firing position. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification