Patent US8882792B2 successfully refreshed from Google Patents.
US8882792B2
Active / In Force
US
⏱️ 3.8 years remaining
Ultrasonic surgical apparatus with silicon waveguide
Assignee: Cilag GmbH International
•
Filing: 2010-08-16
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Granted: 2014-11-11
•
Expires: 2030-08-16
Abstract
Abstract Ultrasound surgical apparatus are disclosed, including: medical ultrasound handpieces with proximally mounted ultrasound radiators configured to create a distally-focused beam of ultrasound energy, in combination with distal guide members for control of focal point depth; medical ultrasound handpieces with proximally mounted ultrasound radiators configured to create a distally-focused beam of ultrasound energy, in combination with distal rolling members for manipulability and control of focal point depth; medical ultrasound handpiece assemblies with coupled end effectors providing a probe with a probe dilation region configured to have an average outside diameter that is equal to or greater than the average outside diameter of a probe tip and neck; as well as junctions to an ultrasonically inactive probe sheath; medical ultrasound handpiece assemblies with coupled end effectors having positionable, ultrasonically inactive probe sheath ends slidably operable to both cover and expose at least a probe tip; and ultrasound transducer cores including a transducing structure affixed to a longitudinally elongated, generally planar, single crystal or polycrystalline material waveguide.
Inventors
- 👤 Timothy G. Dietz
- 👤 Foster B. Stulen
- 👤 William A. Olson
- 👤 Kevin L. Houser
- 👤 William D. Dannaher
- 👤 John W. Willis
- 👤 Sora Rhee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
A; A61; A61N; A61N7/00; A61B; A61B17/00; A61B17/32; A61B17/320068; B; B06; B06B; B06B3/00; A61B17/22; A61B17/22004; A61B17/22012; A61B2017/22014; A61B2017/22015; A61B17/225; A61B17/2251; A61B2017/2253; A61B17/30; A61B2017/306; A61B2017/320069; A61B2017/32007; A61B2017/320082; A61B2017/320089; A61B2017/320098; A61N2007/0004; A61N2007/0034; A61N2007/0078; A61N2007/0082
Claims Analysis
Total Claims: 51
Claim 1
Independent Claim
66 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide.
Claim 2
Dependent Claim
66 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide.
Claim 3
Dependent Claim
20 words
The ultrasonic core of claim 1 , wherein the waveguide material consists essentially of silicon or silicon with a dopant.
Claim 4
Dependent Claim
14 words
The ultrasonic core of claim 1 , wherein the waveguide is a monolithic structure.
Claim 5
Dependent Claim
27 words
The ultrasonic core of claim 1 , wherein the waveguide is a laminated structure including a plurality of planar layers of the single crystal or polycrystalline material.
Claim 6
Dependent Claim
15 words
The ultrasonic core of claim 4 , wherein two adjoining layers define an internal lumen.
Claim 7
Dependent Claim
28 words
The ultrasonic core of claim 1 , wherein the second resonator is configured to vary the magnitude of a mode of ultrasonic vibration created in the transduction portion.
Claim 8
Dependent Claim
40 words
The ultrasonic core of claim 6 , wherein the second resonator includes a proximal end having first transverse extent, a distal end having a second, lesser transverse extent, and a body generally narrowing between the first and second transverse extents.
Claim 9
Dependent Claim
21 words
The ultrasonic core of claim 7 , further comprising: an end effector portion constructed from the single crystal or polycrystalline material.
Claim 10
Dependent Claim
19 words
The ultrasonic core of claim 8 , wherein the waveguide and the end effector portion are a monolithic structure.
Claim 11
Dependent Claim
17 words
The ultrasonic core of claim 8 , wherein the waveguide and the end effector are resonantly adjoining.
Claim 12
Dependent Claim
26 words
The ultrasonic core of claim 8 wherein the end effector portion includes, in order, an ultrasonically active shaft, a probe neck, and a distal probe tip.
Claim 13
Dependent Claim
25 words
The ultrasonic core of claim 7 , wherein portions of a transducer of the transducing structure extend over the proximal end of the second resonator.
Claim 14
Dependent Claim
40 words
The ultrasonic core of claim 7 , wherein the second resonator is symmetric with respect to a central longitudinal axis of the waveguide, and has a substantial body portion with an essentially invariant transverse extent matching the second transverse extent.
Claim 15
Dependent Claim
76 words
The ultrasonic core of claim 13 , wherein the transducer structure longitudinally vibrates the transduction portion at a primary frequency, and an end effector portion coupled to the second resonator is configured to operate in a transverse working mode at subharmonic frequency of the primary frequency, whereby the mode of ultrasonic vibration is effectively transformed from a longitudinal driving mode at a frequency ω n to a transverse working mode at a frequency ω n /N.
Claim 16
Dependent Claim
23 words
The ultrasonic core of claim 7 , wherein the second resonator is asymmetric with respect to a central longitudinal axis of the waveguide.
Claim 17
Dependent Claim
27 words
The ultrasonic core of claim 15 , wherein the edges of the second resonator are asymmetric with respect to the central longitudinal axis of the wave guide.
Claim 18
Dependent Claim
19 words
The ultrasonic core of claim 15 , wherein at least one aperture is disposed asymmetrically within the second resonator.
Claim 19
Dependent Claim
27 words
The ultrasonic core of claim 17 , wherein the aperture is a slot extending partially longitudinally and partially laterally inwards from an edge of the second resonator.
Claim 20
Dependent Claim
54 words
The ultrasonic core of claim 7 , wherein the second resonator includes a gain portion of a transducer of the transducer structure, the gain portion including a proximal end having first transverse extent, a distal end having a second, lesser transverse extent, and a body generally narrowing between the first and second transverse extents.
Claim 21
Dependent Claim
31 words
The ultrasonic core of claim 7 , wherein the transducer is constructed from a piezoelectric or electrostrictive ceramic, and the transducer is directly bonded to a side of the transduction portion.
Claim 22
Dependent Claim
29 words
The ultrasonic core of claim 20 , wherein the transducer is directly bonded on opposite sides to the transduction portions of adjacent or adjoining layers of a laminated waveguide.
Claim 23
Dependent Claim
19 words
The ultrasonic core of claim 1 , wherein the transducer is clamped to a side of the transduction portion.
Claim 24
Dependent Claim
23 words
The ultrasonic core of claim 1 , wherein the transducer is indirectly bonded to the transduction portion by an adhesive or a braze.
Claim 25
Dependent Claim
49 words
The ultrasonic core of claim 23 , wherein a proximal end and a distal end of the transducer were longitudinally compressed during bonding with the adhesive or braze, such that the transducer remains residually compressed by the bond between the transducer, the adhesive or braze, and the transduction portion.
Claim 26
Dependent Claim
28 words
The ultrasonic core of claim 1 , wherein the transducer is indirectly bonded to a carrier, and the carrier is laminated or indirectly bonded to the transduction portion.
Claim 27
Dependent Claim
21 words
The ultrasonic core of claim 25 , wherein the carrier is laminated to the transduction portion with a silicon-glass-silicon anodic laminant.
Claim 28
Dependent Claim
20 words
The ultrasonic core of claim 25 , wherein the carrier is indirectly bonded to the transduction portion by a braze.
Claim 29
Dependent Claim
24 words
The ultrasonic core of claim 1 , wherein the transducer structure includes at least one transducer configured to create a transverse mode of vibration.
Claim 30
Dependent Claim
78 words
The ultrasonic core of claim 28 , wherein a first transducer is affixed adjacent to one edge of the transduction portion, a second transducer is affixed adjacent to an opposite edge of the transduction portion, the first and second transducers are separated by the central longitudinal axis of the waveguide, and the first and second transducers are configured to operate in a longitudinally-vibrating shear mode with the first transducer 180 degrees out of phase with the second transducer.
Claim 31
Dependent Claim
63 words
The ultrasonic core of claim 28 , wherein the transducer is affixed upon an exposed side of the transduction portion and configured to operate in a transverse resonant mode perpendicular to the plane of the waveguide; wherein no transducer is affixed upon the opposite exposed side of the transduction portion; and wherein a proximal portion of the transduction portion is fixed against vibration.
Claim 32
Dependent Claim
20 words
The ultrasonic core of claim 1 , wherein an end mass is affixed to the first resonator or proximal end.
Claim 33
Dependent Claim
178 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator, wherein the second resonator is configured to vary the magnitude of a mode of ultrasonic vibration created in the transduction portion, and the second resonator includes a proximal end having first transverse extent, a distal end having a second, lesser transverse extent, and a body generally narrowing between the first and second transverse extents; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transducer is constructed from a piezoelectric or electrostrictive ceramic, and the transducer is directly bonded to a side of the transduction portion, the transduction portion includes at least one aperture, the transducer includes a bridging portion bridging the transduction portion through the aperture, and the transducer is directly bonded to both sides of the transduction portion.
Claim 34
Dependent Claim
178 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator, wherein the second resonator is configured to vary the magnitude of a mode of ultrasonic vibration created in the transduction portion, and the second resonator includes a proximal end having first transverse extent, a distal end having a second, lesser transverse extent, and a body generally narrowing between the first and second transverse extents; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transducer is constructed from a piezoelectric or electrostrictive ceramic, and the transducer is directly bonded to a side of the transduction portion, the transduction portion includes at least one aperture, the transducer includes a bridging portion bridging the transduction portion through the aperture, and the transducer is directly bonded to both sides of the transduction portion.
Claim 35
Dependent Claim
137 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least one transducer configured to create a transverse mode of vibration, affixed upon at least one side of the transduction portion of the waveguide; wherein a first transducer is affixed upon an exposed side of the transduction portion, a second transducer is affixed upon an opposite exposed side of the transduction portion, and the first and second transducers are configured to operate in a transverse resonant mode perpendicular to the plane of the waveguide, with the first transducer 180 degrees out of phase with the second transducer.
Claim 36
Dependent Claim
137 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least one transducer configured to create a transverse mode of vibration, affixed upon at least one side of the transduction portion of the waveguide; wherein a first transducer is affixed upon an exposed side of the transduction portion, a second transducer is affixed upon an opposite exposed side of the transduction portion, and the first and second transducers are configured to operate in a transverse resonant mode perpendicular to the plane of the waveguide, with the first transducer 180 degrees out of phase with the second transducer.
Claim 37
Dependent Claim
101 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transduction portion includes at least one electrical contact disposed on an exposed side of the transduction portion; and wherein the transducer includes an electrode portion joined to the electrical contact by a braze.
Claim 38
Dependent Claim
101 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transduction portion includes at least one electrical contact disposed on an exposed side of the transduction portion; and wherein the transducer includes an electrode portion joined to the electrical contact by a braze.
Claim 39
Dependent Claim
113 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transduction portion includes first and second generally linear arrays of electrical contacts disposed on an exposed side of the transduction portion, with the first array electrically connected to a first remote electrical contact, and the second array electrically connected to a second remote electrical contact.
Claim 40
Dependent Claim
113 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transduction portion includes first and second generally linear arrays of electrical contacts disposed on an exposed side of the transduction portion, with the first array electrically connected to a first remote electrical contact, and the second array electrically connected to a second remote electrical contact.
Claim 41
Dependent Claim
54 words
The ultrasonic core of claim 35 , wherein the transducer is configured as a multi-element transducer stack having first and second generally linear arrays of electrode portions extending from stack electrodes disposed between every element of the stack, with the first and second arrays being alternatingly connected to successive stack electrodes through the stack.
Claim 42
Dependent Claim
42 words
The ultrasonic core of claim 36 , wherein the first and second arrays of the transducer are connected to the first and second arrays of electrical contacts, with the individual electrode portions electrically joined to corresponding individual electrical contacts by a braze.
Claim 43
Dependent Claim
227 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transduction portion is configured to have a first plurality of source electrical contacts and a second plurality of ground electrical contacts, both disposed on an exposed side of the transduction portion, with the first plurality electrically connected to an electric source and the second plurality electrically connected to an electric ground; wherein the transducer is a multi-element transducer stack indirectly bonded to the transduction portion at least through a first plurality of source electrical contacts, electrically connected to the elements of the stack to supply power, and a second plurality of ground contacts, electrically connected to the elements of the stack to provide ground; and wherein the first plurality of source electrical contacts of the transducer stack are conductively bonded to the first plurality of source electrical contacts of the transduction portion, and the second plurality of ground electrical contacts of the transducer stack are conductively bonded to the second plurality of ground electrical contacts of the transduction portion.
Claim 44
Dependent Claim
227 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein the transduction portion is configured to have a first plurality of source electrical contacts and a second plurality of ground electrical contacts, both disposed on an exposed side of the transduction portion, with the first plurality electrically connected to an electric source and the second plurality electrically connected to an electric ground; wherein the transducer is a multi-element transducer stack indirectly bonded to the transduction portion at least through a first plurality of source electrical contacts, electrically connected to the elements of the stack to supply power, and a second plurality of ground contacts, electrically connected to the elements of the stack to provide ground; and wherein the first plurality of source electrical contacts of the transducer stack are conductively bonded to the first plurality of source electrical contacts of the transduction portion, and the second plurality of ground electrical contacts of the transducer stack are conductively bonded to the second plurality of ground electrical contacts of the transduction portion.
Claim 45
Dependent Claim
123 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein an end mass is affixed to the first resonator or proximal end, the first resonator or proximal end is a projecting portion of the waveguide including at least one aperture, the end mass includes at least one corresponding aperture, and the projecting portion and end mass are joined by a compressive fastener received in the apertures.
Claim 46
Dependent Claim
123 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein an end mass is affixed to the first resonator or proximal end, the first resonator or proximal end is a projecting portion of the waveguide including at least one aperture, the end mass includes at least one corresponding aperture, and the projecting portion and end mass are joined by a compressive fastener received in the apertures.
Claim 47
Dependent Claim
105 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein an end mass is affixed to the first resonator or proximal end, the first resonator or proximal end is a projecting portion of the waveguide, and the end mass includes a channel configured to receive the projecting portion.
Claim 48
Dependent Claim
105 words
An ultrasonic core for an ultrasonic surgical instrument, the core comprising: a longitudinally elongated, generally planar waveguide constructed from a single crystal or polycrystalline material, the waveguide including, in order, a first resonator or proximal end portion, a transduction portion, and a second resonator; and a transducing structure, including at least a transducer, affixed upon at least one side of the transduction portion of the waveguide; wherein an end mass is affixed to the first resonator or proximal end, the first resonator or proximal end is a projecting portion of the waveguide, and the end mass includes a channel configured to receive the projecting portion.
Claim 49
Dependent Claim
42 words
The ultrasonic core of claim 40 , wherein the projecting portion includes teeth having substantially inclined proximal surfaces and substantially perpendicular distal surfaces, and the channel of the end mass includes teeth with substantially vertical proximal surfaces and correspondingly inclined distal surfaces.
Claim 50
Dependent Claim
22 words
The ultrasonic core of claim 40 , wherein the projecting portion is bonded to the end mass by an adhesive or braze.
Claim 51
Dependent Claim
31 words
The ultrasonic core of claim 40 , wherein the projecting portion includes a lumen, and the end mass includes a correspondingly positioned lumen in fluid communication with the projecting portion lumen.
References Cited (Backward Citations)
US3526219A
Cited
US3589363A
Cited
US3990452A
Cited
US4428748A
Cited
US4750902A
Cited
US5069664A
Cited
US5084012A
Cited
US5322055A
Cited
US5322055B1
Cited
US5683592A
Cited
US5569968A
Cited
US5728089A
Cited
US6036661A
Cited
US5954736A
Cited
US20080027328A1
Cited
US6440121B1
Cited
US6309400B2
Cited
US6283981B1
Cited
US6082180A
Cited
US6278218B1
Cited
US6325811B1
Cited
US20020077550A1
Cited
US6423082B1
Cited
US20030195468A1
Cited
US6638249B1
Cited
US6869420B2
Cited
US6923790B2
Cited
US7530986B2
Cited
WO2002081025A1
Cited
US20020179162A1
Cited
US20020193817A1
Cited
US6740058B2
Cited
US6666825B2
Cited
US20040054364A1
Cited
US20050188548A1
Cited
US20030199165A1
Cited
US7105103B2
Cited
US7387742B2
Cited
US6939317B2
Cited
US20080214967A1
Cited
US20050266680A1
Cited
US7396484B2
Cited
WO2006082573A1
Cited
US20070016040A1
Cited
WO2007140331A2
Cited
US20080246559A1
Cited
US20080234710A1
Cited
US20090143795A1
Cited
FR2926731A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 7.5 Years (Year 8) | 2021-11-10 | 2022-05-12 | 2022-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2025-11-10 | 2026-05-12 | 2026-11-11 | $7700.00 | Surcharge Window Open |