Ultrasonic medical instrument and medical instrument connection assembly
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/32
출원번호
US-0291174
(2005-12-01)
등록번호
US-8246642
(2012-08-21)
발명자
/ 주소
Houser, Kevin L.
Reichel, Lee E.
출원인 / 주소
Ethicon Endo-Surgery, Inc.
대리인 / 주소
Thompson Hine L.L.P.
인용정보
피인용 횟수 :
29인용 특허 :
66
초록▼
An ultrasonic medical instrument having a handpiece and medical ultrasonic blade assembly including a vibration antinode, a handpiece, and a medical ultrasonic blade. The blade is threadably engaged by the handpiece proximate the vibration antinode. The blade is in ultrasound-transmitting physical c
An ultrasonic medical instrument having a handpiece and medical ultrasonic blade assembly including a vibration antinode, a handpiece, and a medical ultrasonic blade. The blade is threadably engaged by the handpiece proximate the vibration antinode. The blade is in ultrasound-transmitting physical contact with the handpiece proximate the vibration antinode and apart from where the medical ultrasonic blade is threadably engaged by the handpiece. A medical-instrument connection assembly for transmitting ultrasonic vibrations includes first, second, and third connecting members. The first connecting member is adapted to be ultrasonically vibrated and has a longitudinal axis. The second connecting member is capable of being positioned to be substantially coaxially aligned with the longitudinal axis and in ultrasound-transmitting physical contact with the first connecting member. The third connecting member surrounds, and is rotatably or fixedly attached to, the second connecting member and is threadably engageable with the first connecting member.
대표청구항▼
1. An ultrasonic medical instrument comprising a handpiece and medical ultrasonic blade assembly, wherein the handpiece and medical ultrasonic blade assembly includes: a) a vibration antinode;b) a handpiece; andc) a medical ultrasonic blade, wherein the medical ultrasonic blade includes a first conn
1. An ultrasonic medical instrument comprising a handpiece and medical ultrasonic blade assembly, wherein the handpiece and medical ultrasonic blade assembly includes: a) a vibration antinode;b) a handpiece; andc) a medical ultrasonic blade, wherein the medical ultrasonic blade includes a first connecting member having a longitudinal axis, wherein the handpiece includes a second connecting member which is substantially coaxially aligned with the longitudinal axis and which has a distal portion which is in non-threadable and ultrasound-transmitting direct physical contact with a proximal portion of the first connecting member proximate the vibration antinode, wherein the handpiece includes a third connecting member which surrounds and is rotatably or fixedly attached to the second connecting member and which is threadably engaged with the first connecting member proximate the vibration antinode, and wherein the third connecting member is attached to the second connecting member when the medical ultrasonic blade is attached to the handpiece and the medical ultrasonic blade can be completely removed from the handpiece without removing the third connecting member from the second connecting member. 2. The ultrasonic medical instrument of claim 1, wherein the first connecting member is a monolithic portion of the medical ultrasonic blade, wherein the handpiece includes an ultrasound transducer and a protrusion operatively connected to the ultrasound transducer, and wherein the second connecting member is a monolithic portion of the protrusion. 3. The ultrasonic medical instrument of claim 1, wherein the first connecting member includes a substantially longitudinally-facing surface having a tapered recess, and wherein the second connecting member has a tapered end engaged in the tapered recess. 4. The ultrasonic medical instrument of claim 3, wherein the first connecting member has a substantially transversely-outwardly-extending annular wing, and wherein the third connecting member has internal threads threadably engaging the annular wing. 5. The ultrasonic medical instrument of claim 4, wherein the first connecting member has a first lumen, and wherein the second connecting member has a second lumen in fluid communication with the first lumen. 6. The ultrasonic medical instrument of claim 5, wherein the first, second and third connecting members together define a luer-type connection. 7. The ultrasonic medical instrument of claim 1, wherein the first connecting member includes a substantially longitudinally-facing transverse flat surface, wherein the second connecting member has a substantially longitudinally-facing transverse flat surface abuttingly engaging the substantially longitudinally-facing transverse flat surface of the first connecting member, and wherein the second connecting member does not engage any other surface of the first connecting member. 8. The ultrasonic medical instrument of claim 7, wherein the first connecting member has a substantially transversely-outwardly-extending annular wing, and wherein the third connecting member has internal threads threadably engaging the annular wing. 9. The ultrasonic medical instrument of claim 8, wherein the first connecting member has a first lumen, and wherein the second connecting member has a second lumen in fluid communication with the first lumen. 10. The ultrasonic medical instrument of claim 1, wherein the medical ultrasonic blade includes an end effector portion, and wherein the end effector portion is threadably engaged by the handpiece. 11. The ultrasonic medical instrument of claim 1, wherein the medical ultrasonic blade includes a proximal wave guide portion and a distal end effector portion, and wherein the proximal wave guide portion is threadably engaged by the handpiece. 12. The ultrasonic medical instrument of claim 1, wherein the second connecting member is in non-threadable and ultrasound-transmitting direct physical contact with a proximal portion of the first connecting member at a vibration antinode.
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