[특허]Cordless hand-held ultrasonic cautery cutting device

[미국특허] Cordless hand-held ultrasonic cautery cutting device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/32 A61B-017/00
출원번호	US-0539694 (2012-07-02)
등록번호	US-9861382 (2018-01-09)
발명자 / 주소	Smith, Kevin W. Bales, Jr., Thomas O. Palmer, Matthew A. Deville, Derek Dee
출원인 / 주소	COVIDIEN AG
인용정보	피인용 횟수 : 35 인용 특허 : 103

초록 ▼

An ultrasonic surgical assembly includes an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide, a measurement circuit connected in a parallel configuration with the ultrasonic transducer, a variable power source operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer, and a current controller operable to regulate the motional current by varying an output of the variable power source, thereby maintaining a substantially constant rate of movement of the cutting blade across a variety of cutting loads.

대표청구항 ▼

1. An ultrasonic surgical assembly, comprising: a surgical instrument handle, the handle having within it: an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide;a measurement circuit connected in a parallel configuration with the ultrasonic transducer;a variable power source comprising a battery and operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer;a current controller operable to regulate the motional current by varying an output of the variable power source, thereby maintaining a resonant condition along the cutting blade in which there is a substantially constant rate of movement of the cutting blade across a variety of cutting loads; anda clamping mechanism having a range of clamping force values and being operable to place material in physical contact with the cutting blade, the current controller communicatively coupled to the clamping mechanism and operable to vary the motional current based upon a given clamping value within the range of clamping values. 2. The ultrasonic surgical assembly according to claim 1, wherein: the ultrasonic transducer has a first capacitance in a parallel configuration with a series configuration of a resistance, an inductance, and a second capacitance; andthe motional current flows through the series configuration. 3. The ultrasonic surgical assembly according to claim 2, wherein the measurement circuit is comprised of a third capacitance in a parallel configuration with the first capacitance. 4. The ultrasonic surgical assembly according to claim 3, wherein the variable power source is coupled to the third capacitance and the ultrasonic transducer. 5. The ultrasonic surgical assembly according to claim 4, wherein the current controller is operable to regulate the motional current by varying an output of the variable power source based upon a product of the current flowing through the third capacitance multiplied by a ratio between a value of the first capacitance and a value of the third capacitance subtracted from a total current flowing into the ultrasonic transducer. 6. The ultrasonic surgical assembly according to claim 1, wherein: the current controller comprises a processor; andthe variable power source comprises a phase locked loop communicatively coupled to the processor and operable to determine a frequency of movement of the cutting blade; andfurther comprising a memory communicatively coupled to the processor and operable to store a last frequency of blade movement. 7. The ultrasonic surgical assembly according to claim 1, wherein the variable power source comprises a removable battery. 8. The ultrasonic surgical assembly according to claim 1, further comprising a disposable handle body having: a portion defining a battery-holding compartment having at least two battery contacts;a waveguide attachment dock exposed to the environment and shaped to accept the ultrasonic waveguide therein;a transducer attachment dock exposed to the environment and shaped to place the ultrasonic transducer in coaxial alignment with the ultrasonic waveguide when the ultrasonic waveguide is disposed within the waveguide attachment dock; andan ultrasonic-signal-generator assembly dock exposed to the environment and shaped to substantially simultaneously: selectively removably secure at least the ultrasonic transducer to the handle body;place an end of the ultrasonic transducer within the transducer attachment dock; andelectrically couple at least the ultrasonic transducer to the at least two battery contacts. 9. An ultrasonic surgical assembly, comprising: a surgical instrument handle, the handle having within it: an ultrasonic transducer operable to convert a received motional current into a movement of a cutting blade of an ultrasonic waveguide, the ultrasonic transducer comprised of a first capacitance in a parallel configuration with a series configuration of a resistance, an inductance, and a second capacitance, whereby the motional current flows through the series configuration;a measurement circuit connected in a parallel configuration with the ultrasonic transducer, the measurement circuit comprised of a third capacitance in a parallel configuration with the first capacitance;a variable power source comprising a removable battery and operable to supply current through a set of connection points to the parallel configuration and thereby create the motional current in the ultrasonic transducer, wherein the variable power source is coupled to the third capacitance and the ultrasonic transducer; anda current controller operable to regulate the motional current by varying an output of the variable power source based upon a product of the current flowing through the third capacitance multiplied by a ratio between a value of the first capacitance and a value of the third capacitance subtracted from a total current flowing into the ultrasonic transducer, thereby maintaining a resonant condition along the cutting blade in which there is a substantially constant rate of movement of the cutting blade across a variety of cutting loads. 10. The ultrasonic surgical assembly according to claim 9, wherein: the current controller comprises a processor; andthe variable power source comprises a phase locked loop communicatively coupled to the processor and operable to determine a frequency of movement of the cutting blade; andfurther comprising a memory communicatively coupled to the processor and operable to store a last frequency of blade movement. 11. The ultrasonic surgical assembly according to claim 9, further comprising a clamping mechanism having a range of clamping force values and being operable to place material in physical contact with the cutting blade, the current controller communicatively coupled to the clamping mechanism and operable to vary the motional current based upon a given clamping value within the range of clamping values.

이 특허에 인용된 특허 (103) 인용/피인용 타임라인 분석

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Cordless hand-held ultrasonic cautery cutting device 원문보기

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[미국특허] Cordless hand-held ultrasonic cautery cutting device 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허에 인용된 특허 (103) 인용/피인용 타임라인 분석

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