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1. CN1655728 - Therapy device

Office
Chine
Numéro de la demande 03811932.3
Date de la demande 20.05.2003
Numéro de publication 1655728
Date de publication 17.08.2005
Numéro de délivrance 100370956
Date de délivrance 27.02.2008
Type de publication C
CIB
A61B 18/14
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
18Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
04par chauffage
12en faisant passer des courants à travers les tissus à chauffer, p.ex. des courants à haute fréquence
14Sondes ou électrodes à cet effet
A61N 1/06
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
NÉLECTROTHÉRAPIE; MAGNÉTOTHÉRAPIE; THÉRAPIE PAR RADIATIONS; THÉRAPIE PAR ULTRASONS
1Électrothérapie; Circuits à cet effet
02Parties constitutives
04Electrodes
06pour traitement à haute fréquence
A61N 1/05
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
NÉLECTROTHÉRAPIE; MAGNÉTOTHÉRAPIE; THÉRAPIE PAR RADIATIONS; THÉRAPIE PAR ULTRASONS
1Électrothérapie; Circuits à cet effet
02Parties constitutives
04Electrodes
05à implanter ou à introduire dans le corps, p.ex. électrode cardiaque
CPC
A61B 18/1477
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04by heating
12by passing a current through the tissue to be heated, e.g. high-frequency current
14Probes or electrodes therefor
1477Needle-like probes
A61B 2218/002
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
2218Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
001having means for irrigation and/or aspiration of substances to and/or from the surgical site
002Irrigation
A61N 1/06
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
02Details
04Electrodes
06for high-frequency therapy
Déposants Celon AG Medical Instr
塞隆医疗设备公司
Inventeurs Desinger Kai
凯·德辛尔
Fay Markus
马库斯·法伊
Roggan Andre
安德烈·罗根
Rothe Rainer
赖纳·罗特
Mandataires chen jian
北京三友知识产权代理有限公司
Données relatives à la priorité 10224153 27.05.2002 DE
Titre
(EN) Therapy device
(ZH) 治疗仪器
Abrégé
(EN) The inventive application device for applying a high-frequency current for thermally obliterating body tissue comprises: an electrode needle (1) having an electrically conductive shank (3); at least one insulating sheath body (7), which surrounds the electrically conductive shank (3), can be displaced relative to the shank (3), and which is provided with a distal end, out of which the shank (3) can be extended, and; at least one trocar (5) that has a section provided for inserting into body tissue, a section (11) provided for remaining outside of the body tissue, and a lumen, which extends through both sections and through which the shank (3) of the electrode needle (1) can be guided through the trocar (5). The inventive application device is characterized in that the section of the trocar (5) provided for inserting into body tissue is designed so that it is electrically insulating and forms the sheath body (7) for the shank (3) of the electrode needle (1) particularly when the electrode needle or shank (3) thereof is guided through the lumen. The trocar (5) accomplishes two functions. Firstly, it accomplishes the traditional duties of a trocar (5), namely enabling the precise administration of medicaments or the taking of tissue samples as well as the insertion of electrode needles (1), without having to re-puncture each time. Secondly, the portion of the trocar (5) located inside the body serves as an insulating sheath body (7), which can be displaced relative to the shank (3) of the electrode needle (1) and which is provided for adjusting the length of the active area of the shank (3), i.e. of the area that projects out of the insulating sheath body (7), and is in electrically conductive contact with the body tissue when the electrode needle (1) is inserted into the body.
(ZH)

根据本发明的施加装置,用于施加高频电流以使体部组织热闭合,该施加装置包含:一个电极针(1),具有一个导电杆(3);至少一个围绕导电杆且相对于杆可移动的绝缘包壳体(7),其具有一个远端,从该远端可抽出杆;以及至少一个套针(5),具有:为导入到体部组织内而设置的分段,为保留在体部组织外而设置的分段(11),以及穿过这两个分段延伸的内腔,通过该内腔将电极针的杆穿过套针贯通,套针的为导入到体部组织内而设置的分段电绝缘形成,并形成为电极针的杆用的包壳体,套针的内腔比电极针的杆短,并具有开口近端和开口远端,从而允许杆的远端插入套针的内腔中,并且当完全插入时,杆的远端超出内腔的开口远端。