최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0991401 (2016-01-08) |
등록번호 | US-10226239 (2019-03-12) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 283 |
The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical loading units, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgi
The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical loading units, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical loading units to the handheld electromechanical surgical devices.
1. An adapter assembly for selectively interconnecting a surgical loading unit that is configured to perform a function and a surgical device that is configured to actuate the surgical loading unit, the surgical loading unit including an axially translatable drive member, and the surgical device inc
1. An adapter assembly for selectively interconnecting a surgical loading unit that is configured to perform a function and a surgical device that is configured to actuate the surgical loading unit, the surgical loading unit including an axially translatable drive member, and the surgical device including a plurality of rotatable drive shafts, the adapter assembly comprising: a housing configured and adapted for connection with the surgical device and to be in operative communication with each rotatable drive shaft of the plurality of rotatable drive shafts of the surgical device;an outer tube defining a longitudinal axis and having a proximal end supported by the housing and a distal end portion configured and adapted for connection with the surgical loading unit, the distal end portion in operative communication with the axially translatable drive member of the surgical loading unit;an articulation assembly including a gimbal supported in the distal end portion of the outer tube and a plurality of threaded sleeves supported in the housing, the plurality of threaded sleeves coupled to the gimbal by at least one cable; anda firing assembly including a firing shaft supported within the housing and the outer tube, the firing shaft including at least one universal joint,wherein rotation of at least one of the plurality of rotatable drive shafts of the surgical device translates at least two of the plurality of threaded sleeves to articulate the gimbal relative to the longitudinal axis of the outer tube with the at least one cable, and wherein articulation of the gimbal articulates the at least one universal joint of the firing shaft and the surgical loading unit about the distal end portion of the outer tube. 2. The adapter assembly of claim 1, wherein the firing shaft includes a proximal end configured and adapted to couple to at least one of the plurality of rotatable drive shafts of the surgical device, and a distal end configured and adapted to couple to the axially translatable drive member of the surgical loading unit to enable firing of the surgical loading unit, the at least one universal joint positioned between the proximal and distal ends of the firing shaft. 3. The adapter assembly of claim 2, wherein the firing shaft is configured and adapted to transmit a rotational force through the gimbal to effectuate axial translation of the axially translatable drive member and to fire the surgical loading unit. 4. The adapter assembly of claim 3, wherein the firing shaft includes a proximal firing shaft, a central tube, and a distal firing shaft, the proximal firing shaft and the central tube connected at a proximal universal joint of the at least one universal joint such that the central tube is movable relative to the proximal firing shaft. 5. The adapter assembly of claim 4, wherein the proximal firing shaft includes a pair of opposed distal tabs that form a first hinge of the proximal universal joint and the central tube includes a pair of opposed proximal tabs that form a second hinge of the proximal universal joint, the first and second hinges of the proximal universal joint interconnected by a proximal bearing assembly. 6. The adapter assembly of claim 5, wherein the proximal bearing assembly includes a plurality of outer arcuate surfaces, each outer arcuate surface disposed in an inner arcuate surface defined in each of the pair of opposed distal tabs of the proximal firing shaft and the pair of opposed proximal tabs of the central tube. 7. The adapter assembly of claim 4, wherein the central tube and the distal firing shaft are connected at a distal universal joint of the at least one universal joint such that the distal firing shaft is movable relative to the central tube. 8. The adapter assembly of claim 7, wherein the central tube includes a pair of opposed distal tabs that form a first hinge of the distal universal joint and the distal firing shaft includes a pair of opposed proximal tabs that form a second hinge of the distal universal joint, the first and second hinges interconnected by a distal bearing assembly. 9. The adapter assembly of claim 8, wherein the distal bearing assembly includes a plurality of outer arcuate surfaces, each outer arcuate surface disposed in an inner arcuate surface defined in each of the pair of opposed distal tabs of the central tube and the pair of opposed proximal tabs of the distal firing shaft. 10. The adapter assembly of claim 7, wherein the gimbal defines a gimbal bore therethrough configured and adapted to receive the distal universal joint such that the gimbal is disposed around the distal universal joint. 11. The adapter assembly of claim 4, wherein a distal end portion of the proximal firing shaft defines a bore therein, the central tube defines a bore therethrough, and a proximal end portion of the distal firing shaft defines a bore therein, and a spring wire is disposed within the bores of the proximal firing shaft, the central tube, and the distal firing shaft. 12. The adapter assembly of claim 11, wherein the spring wire is configured to bias the firing assembly along the longitudinal axis of the outer tube and is bendable upon articulation of the gimbal. 13. The adapter assembly of claim 1, wherein the gimbal defines at least one slot in an outer surface thereof, the at least one cable being secured within the at least one slot. 14. The adapter assembly of claim 1, wherein the outer tube includes a distal mounting member disposed therein, the distal mounting member including an outer surface that defines at least one recess, the at least one cable extending through the recess. 15. The adapter assembly of claim 1, wherein the plurality of threaded sleeves is supported on at least one threaded screw. 16. The adapter assembly of claim 15, wherein the at least one threaded screw includes a first set of threads and a second set of threads, the first and second set of threads being threaded in opposite directions, wherein a first one of the plurality of threaded sleeves is threadably engaged with the first set of threads and a second one of the plurality of threaded sleeves is threadably engaged with the second set of threads, wherein rotation of the at least one threaded screw in a first rotational direction approximates the first one and the second one of the plurality of threaded sleeves, and wherein rotation of the at least one threaded screw in a second rotational direction separates the first one and the second one of the plurality of threaded sleeves. 17. The adapter assembly of claim 1, further including an articulation actuator secured to the housing. 18. The adapter assembly of claim 17, wherein the articulation actuator includes a joystick extending outwardly from the housing, the joystick being configured to move in a direction corresponding to a direction of articulation of the surgical loading unit. 19. The adapter assembly of claim 18, wherein the articulation actuator includes a plurality of directional switches disposed within the housing and the joystick includes a rocker configured and dimensioned to contact one or more of the directional switches upon movement of the joystick. 20. An electromechanical surgical system, comprising: a surgical loading unit including at least one axially translatable drive member;a handheld electromechanical surgical device including: a housing; andat least one rotatable drive shaft supported in the housing; andan adapter assembly selectively connectable between the housing of the surgical device and the surgical loading unit, the adapter assembly including: an articulation assembly including a gimbal and a plurality of threaded sleeves, the plurality of threaded sleeves coupled to the gimbal by at least one cable, the plurality of threaded sleeves being movable to articulate the gimbal with the at least one cable, wherein articulation of the gimbal articulates the surgical loading unit; anda firing assembly including a firing shaft connectable between the at least one rotatable drive shaft of the surgical device and the at least one axially translatable drive member, the firing shaft including at least one universal joint, the firing shaft being movable at the at least one universal joint with the gimbal to articulate the surgical loading unit and rotatable to translate the at least one axially translatable drive member through the surgical loading unit.
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