[미국특허]
Surgical instrument with stress sensor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/32
A61B-018/14
A61B-017/00
A61B-018/00
A61B-090/00
출원번호
US-0484563
(2012-05-31)
등록번호
US-9681884
(2017-06-20)
발명자
/ 주소
Clem, William E.
Dannaher, William D.
Price, Daniel W.
Kimball, Cory G.
Stulen, Foster B.
Wiener, Eitan T.
Schulte, John B.
Silkaitus, Danius P.
Balek, Stephen J.
Lamping, Michael R.
Aronhalt, Jacqueline C.
출원인 / 주소
Ethicon Endo-Surgery, LLC
대리인 / 주소
Frost Brown Todd LLC
인용정보
피인용 횟수 :
37인용 특허 :
10
초록▼
An apparatus includes an end effector, an energy component, a control module, and a directional force sensor assembly associated with the energy component and control module. The directional force assembly can include a piezoelectric disc, a piezoresistive element, an accelerometer, and/or a Hall Ef
An apparatus includes an end effector, an energy component, a control module, and a directional force sensor assembly associated with the energy component and control module. The directional force assembly can include a piezoelectric disc, a piezoresistive element, an accelerometer, and/or a Hall Effect sensor. The end effector of the apparatus can include ultrasonic blade, an RF electrode, or a staple driving assembly. In some versions, the energy component includes an ultrasonic transducer. The control module may be configured to operate the energy component at a first energy setting in response to a first detected force and at a second energy setting in response to a second detected force. The apparatus may also include an activation feature to be operated by a user. In some versions the piezoelectric disc may include a plurality of segments and may be configured to induce movement in at least part of the energy component.
대표청구항▼
1. An apparatus comprising: (a) a body assembly comprising an energy component, wherein the energy component is operable at a plurality of energy settings;(b) a control module;(c) a directional force sensor assembly, wherein the directional force sensor assembly is associated with the energy compone
1. An apparatus comprising: (a) a body assembly comprising an energy component, wherein the energy component is operable at a plurality of energy settings;(b) a control module;(c) a directional force sensor assembly, wherein the directional force sensor assembly is associated with the energy component, wherein the directional force sensor assembly is communicatively coupled to the control module; and(d) an end effector, wherein the end effector is coupled to the energy component, wherein the directional force sensor assembly encompasses a cross-sectional perimeter of a longitudinal portion of the end effector;wherein the directional force sensor assembly is operable to detect a magnitude and a direction of a force applied to the end effector relative to the body assembly, wherein the control module is configured to operate the energy component at a first energy setting in response to the output of the directional force sensor assembly detecting a first magnitude and a first direction of a first force. 2. The apparatus of claim 1 wherein the first energy setting is an unpowered state. 3. The apparatus of claim 1 wherein the directional force sensor assembly comprises a piezoelectric disc. 4. The apparatus of claim 3 wherein the piezoelectric disc is coupled to the energy component. 5. The apparatus of claim 3 wherein the piezoelectric disc is coupled to the end effector. 6. The apparatus of claim 1 wherein the directional force sensor assembly comprises at least one accelerometer. 7. The apparatus of claim 1 wherein the directional force sensor assembly comprises a piezoresistive element, wherein the body assembly comprises a casing, wherein the piezoresistive element is associated with the casing. 8. The apparatus of claim 7 wherein the end effector is coupleable to the casing, wherein the end effector comprises a finger operable to compress the piezoresistive element in response to a force applied to the end effector. 9. The apparatus of claim 1 wherein the directional force sensor assembly comprises a piezoresistive element, wherein the energy component comprises a waveguide, wherein the piezoresistive element comprises a piezoresistive strip coupled to the waveguide. 10. The apparatus of claim 1 wherein the directional force sensor assembly comprises a Hall Effect sensor. 11. The apparatus of claim 1 wherein the energy component comprises an ultrasonic transducer. 12. The apparatus of claim 1 wherein the end effector comprises an RF electrode. 13. The apparatus of claim 1 wherein the end effector comprises a staple driving assembly. 14. The apparatus of claim 1 wherein the control module is configured to operate the energy component at a second energy setting in response to the output of the directional force sensor assembly detecting a second force. 15. The apparatus of claim 1 further comprises an activation feature operable by a user, wherein the control module is operable to operate the energy component at a first energy setting in response to both the output of the directional force sensor assembly detecting a first force and a user operating the activation feature. 16. An apparatus comprising: (a) a body assembly comprising an energy component, wherein the energy component is operable at a plurality of energy settings;(b) a control module;(c) an end effector, wherein the end effector is coupled to the energy component; and(d) a directional force sensor assembly associated with the energy component, wherein the direction force sensor assembly is communicatively coupled to the control module, wherein the directional force sensor assembly comprises: i. an annular array of force sensing elements fixed to the body assembly, andii. a finger associated with the end effector, wherein the finger is configured to deflect toward a portion of the annular array of force sensing elements in response to a force applied to the end effector,wherein the directional force sensor assembly is operable to detect a magnitude and a direction of a force applied to the end effector relative to the body assembly, wherein the control module is configured to operate the energy component at a first energy setting in response to the output of the directional force sensor assembly detecting a magnitude and a direction of a first force. 17. The apparatus of claim 16, wherein the finger is attached to a sheath surrounding the end effector. 18. An apparatus comprising: (a) a body assembly comprising an energy component, wherein the energy component is operable at a plurality of energy settings;(b) a control module;(c) an end effector, wherein the end effector is coupled to the energy component; and(d) a directional force sensor assembly comprising a plurality of force sensing elements, wherein the plurality of force sensing elements encompass the end effector, wherein the directional force sensor assembly is associated with the energy component, wherein the directional force sensor assembly is communicatively coupled to the control module;wherein the directional force sensor assembly is operable to detect a magnitude and a direction of a force applied to the end effector relative to the body assembly, wherein the control module is configured to operate the energy component at a first energy setting in response to the output of the directional force sensor assembly detecting a first magnitude and a first direction of a first force. 19. An apparatus comprising: (a) a body assembly comprising an energy component, wherein the energy component is operable at a plurality of energy settings;(b) a control module;(c) an end effector, wherein the end effector is coupled to the energy component; and(d) a directional force sensor assembly, wherein the directional force sensor assembly is associated with the energy component, wherein the directional force sensor assembly is communicatively coupled to the control module, wherein the directional force sensor assembly comprises:i. an annular array of hall effect sensors surrounding a portion of the end effector, wherein the annular array of hall effect sensors extend toward the body assembly, andii. a magnet disposed within the end effector;wherein the directional force sensor assembly is operable to detect a magnitude and a direction of a force applied to the end effector relative to the body assembly, wherein the control module is configured to operate the energy component at a first energy setting in response to the output of the directional force sensor assembly detecting a first magnitude and a first direction of a first force. 20. The apparatus of claim 19, wherein the end effector includes a transverse hole, wherein the magnet is disposed within the transverse hole. 21. The apparatus of claim 20, wherein the magnet is surrounded by a layer of silicone.
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