[특허]Structure for preventing the breakage of end portions of a protective covering for the adjustable bend section of an end

[미국특허] Structure for preventing the breakage of end portions of a protective covering for the adjustable bend section of an end 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-001/06
출원번호	US-0187543 (1980-09-16)
우선권정보	JP-0128388 (1979-09-17)
발명자 / 주소	Hosono Saburo (Hachioji JPX)
출원인 / 주소	Olympus Optical Co., Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

A structure for preventing the breakage of both end portions of a protective covering for an adjustable bend section of an endoscope consists of annular elastic members retaining elasticity and adhesivity even at high temperature. Each of the elastic members of the structure comprises a first section which is fixed by thread to the respective end portions of a protective covering which is made of elastic material and surrounds a core assembly, and the respective end portions of which are fastened to the respective end portions of the core assembly by the thread; and a second section which is made of the same material as that of the first section and extends from the first section toward the intermediate part of the protective covering to be fixed to the respective end portion of the protective covering. With the above-mentioned structure, the annular elastic members are not deteriorated even at high temperature. If, therefore, the protective covering loses elasticity upon exposure to high temperature, a stress resulting from the flexing of the adjustable bend section of the endoscope is uniformly adsorbed by the whole length of the second portion of the annular elastic member. Consequently, a stress is not concentrated at particular regions of both end portions of the protective covering. As a result, both end portions of the protective covering are resistant to cracking or any other form of damage, thereby prolonging the effective life of the protective covering.

대표청구항 ▼

In an endoscope including a control section and an elongated insertion section extending from the control section extending from the control section and comprising an elongated flexible sheath having two ends, one of which is fixed to the control section, a distal end section, and an adjustable bend section comprising an elongated bendable core assembly having two ends, one of which is connected to the other end of the sheath, and the other of which is connected to distal end section, a protective covering which is made of elastic material, has two end portions and an intermediate portion between the two end portions, and encloses substantially the whole length of the core assembly, and threads wound around both end portions of the protective covering to fix both end portions to the core assembly in a sealed state, the improvement wherein the endoscope is further provided with a structure which comprises a first section for overlying and fixing the threads to the end portions of the protective covering, and a second section extending from the first section toward and overlying a portion of the intermediate part of the protective covering and fixed to the end portions of the protective covering, said structure being made of elastic material retaining elasticity and adhesivity at normal and temperatures up to about 200°C., thereby preventing the breakage of the end portions of the protective covering when said covering is subjected to repeated stress.

이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

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Allred ; III Jimmie B. (Skaneateles NY) Bingham Richard (Auburn NY), Ball-and-socket bead endoscope steering section.
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Takada, Tadatsugu, Bending portion of insertion part of endoscope and endoscope provided with insertion part including bending portion.
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Lee, Eric T.; Jensen, Patrick S.; Cornetto, III, Anthony D.; Shelley, Terry H.; Awh, Carl C.; de Juan, Jr., Eugene; Auld, Michael D.; Scheller, Gregg D., Directional laser probe.
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Scheller,Gregg D.; Auld,Michael D., Directional laser probe.
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Scheller,Gregg D.; Auld,Michael D., Directional laser probe.
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Scheller,Gregg D.; Auld,Michael D., Directional laser probe.
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Bolanos Henry ; Alim Alli ; McClure Richard C. ; Milliman Keith L., Disposable loading unit for surgical stapler.
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Sugisawa, Tatsuya; Naito, Keisuke, Endoscope.
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Tsutsumi, Takuroh, Endoscope.
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Allred ; III Jimmie B. (Skaneateles NY) Bingham Richard (Auburn NY), Endoscope steering section.
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Strong James G., Endoscopic insertion tube.
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Allred ; III Jimmie B. (Skaneateles NY) Krauter Allan I. (Syracuse NY), Force relieving, force limiting self-adjusting steering for borescope or endoscope.
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Krauter Allan I. (Syracuse NY), Hydraulic muscle pump.
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Scheller, Gregg D.; Auld, Michael D.; Nadolski, Timothy J., Illuminated directional laser probe.
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Furuta, Tsuyoshi, Method for affixing endoscope curved section protective sheath.
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Richmond, Theodore Todd, Microsurgical instrument.
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Kim, Hong Won; Han, Woo Sup; Kim, Yong Jae, Robot.
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Buckingham, Robert Oliver; Graham, Andrew Crispin, Robotic arm.
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Pistor, Christoph Matthias; Oen, Joshua T, Robotic linkage.
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Pistor, Christoph Matthias; Oen, Joshua T., Robotic linkage.
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Schulze Dale R. (Lebanon OH) Paraschac Joseph (Cincinnati OH) Fox William D. (New Richmond OH) Setser Michael E. (Burlington KY) Wales Kenneth S. (Mason OH) Zeiner Mark S. (Milford OH), Surgical instrument.
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Schulze Dale R. (Lebanon OH) Paraschac Joseph (Cincinnati OH) Fox William D. (New Richmond OH) Setser Michael E. (Burlington KY) Wales Kenneth S. (Mason OH) Zeiner Mark S. (Milford OH), Surgical instrument.
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Schulze Dale R. (Lebanon OH) Paraschac Joseph (Cincinnati OH) Fox William D. (New Richmond OH) Setser Michael E. (Burlington KY) Wales Kenneth S. (Mason OH) Zeiner Mark S. (Milford OH), Surgical instrument.
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Schulze Dale R. (Lebanon OH) Paraschac Joseph (Cincinnati OH) Fox William D. (New Richmond OH) Setser Michael E. (Burlington KY) Wales Kenneth S. (Mason OH) Zeiner Mark S. (Milford OH), Surgical instrument.
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Sato, Yasuyuki, Tightening string for an endoscope, outer cover securing method, flexible tube for an endoscope, and an endoscope.
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Sato, Yasuyuki, Tightening string for an endoscope, outer cover securing method, flexible tube for an endoscope, and an endoscope.
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Tamburrino Richard A. (Auburn NY) Knieriem Alan S. (Syracuse NY), Torsional strain relief for borescope.
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Stroup, David Karl; Deptala, Arthur, Wrist assembly for articulating laparoscopic surgical instruments.
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Stroup, David Karl; Deptala, Arthur, Wrist assembly for articulating laparoscopic surgical instruments.
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[미국특허] Structure for preventing the breakage of end portions of a protective covering for the adjustable bend section of an end 원문보기

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[미국특허] Structure for preventing the breakage of end portions of a protective covering for the adjustable bend section of an end 원문보기

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