処置具挿入補助具

ULTRASONIC TREATMENT DEVICE

PROBLEM TO BE SOLVED: To secure an excellent treatment ability by bringing the entire contact surface of a clamping part between an ultrasonic wave probe and a jaw member into press contact with each other closely. SOLUTION: This device is provided with the ultrasonic wave probe 79 connected to the distal end of a vibration transmission member 51 for transmitting the ultrasonic wave vibration of an ultrasonic vibrator for generating the ultrasonic wave vibration and a jaw 78 for clamping a viable tissue with the ultrasonic wave probe 79 freely movable facing the ultrasonic wave probe 79. The jaw 78 is made to followingly move corresponding to displacement by the deflection of the ultrasonic wave probe 79 so as to bring the entire contact surface of the ultrasonic wave probe 79 and the jaw 78 facing each other into the press contact to each other. COPYRIGHT: (C)2000,JPO ...

STEREOSCOPIC VIEWING ENDOSCOPE DEVICE

PURPOSE: To calibrate deviation within the range capable of obtaining an optimum stereoscopic effect and to reduce fatigue feeling of an observer even when the deviation occurs in the display positions of two subject images having parallax on a display picture. CONSTITUTION: This stereoscopic viewing hard endoscope device 40 is constituted so that the deviation in the contour of the subject image is detected from an output signal from a CCD by a contour pickup circuit 37a and an image deviation circuit 38, and based on the deviation, read of frame memories 34a, 34b is controlled by memory control circuit 39a, 39b. At this time, the subject 3 of a calibration tool 1 located at a prescribed distance L from the position of incidence on relay optical systems 44a, 44b is used, and the read of the frame memory is controlled so that two subject images having parallax are displayed coinciding roughly (to the same position) on a monitor 31. That is, the display position is adjusted. COPYRIGHT: ( ...

FORCEPS FOR ENDOSCOPE

PROBLEM TO BE SOLVED: To provide a forceps for an endoscope with a simple structure with which transmitting efficiency of an operating force can be improved without decreasing the strength of an inserting part. SOLUTION: In the forceps for the endoscope provided with the inserting part 2 inserted into a living body, a forceps part 4 which is arranged on the apex part of the inserting part 2 and can be opened and closed, an operating part 3 connected to the base end part of the inserting part 2, operating shafts 25 and 26 which are inserted into the inserting part 2 so as to be movable forward and backward and are moved forward and backward by means of the operating part 3 and cam mechanisms which are actuated in accordance with the forward and backward movements of the operating shafts accompanied with operation of the operating part 3 to perform opening and closing movements of the forceps part, the forceps part 4 consists of a pair of jaws 21 and 22 pivoting on a common pivoting shaft ...

TREATING TOOL FOR ENDOSCOPE

PURPOSE: To facilitate the disassembling and assembling work of a treating tool body, easily perform the attaching and detaching work between constituting elements of the treating tool body in a short time, and provide a treating tool suitable for a medical equipment to which cleanliness is highly required. CONSTITUTION: A snap fit part 38 for attachably and detachably connecting a treating part driving unit 9 with a sheath unit 7 is attached, and the treating part driving unit 9 is moved in the direction approaching to and separating from the sheath unit 7, whereby it can be easily engaged and disengaged with a single operation in a short time. COPYRIGHT: (C)1996,JPO ...

STEREOSCOPIC VIEWING ENDOSCOPE

PURPOSE: To prevent rotation in an obtained image in the up-and-down direction even when an endoscope is rotated. CONSTITUTION: By a pupil division prism 8, a subject image transferred by a relay lens system 7 is divided into a left subject image and a right subject image incident on the left side and the right side of the pupil respectively with the optical axis of the relay lens system as a center. The left subject image and the right subject image divided by the prism 8 are picked up respectively by two CCDs. By a rotating mechanism 13, the pupil division prism 8 and two CCDs are rotated around the optical axis of the relay lens system 7. Then, since the left subject image and the right subject image are provided with parallax, a stereoscopic image is constructed. Then, by rotating the pupil division prism 8 and two CCDs around the optical axis of the relay lens system 7 by the rotating mechanism 13, the direction of stereoscopic vision is changed freely without moving the endoscope ...

ULTRASONIC TREATMENT APPARATUS

PROBLEM TO BE SOLVED: To provide an ultrasonic treatment apparatus in which an operating force transmitting member which has high strength and rigidity and hardly buckles can be arranged into an inner space with a limited cross-sectional area of an inserting part and the dimension of the outer diameter of the inserting part can be decreased and an insulation covering can be provided on the outer peripheral face of the operating force transmitting member and operability can be improved. SOLUTION: An operating rod 30 for operating opening and closing of a jaw unit 24 is formed of a plate-like member 30a and the plate-like member 30a of this operating rod 30 is arranged under a curved condition around the central shaft of an overcoat tube 19 of the inserting part. COPYRIGHT: (C)2002,JPO ...

前立腺生検用の硬性鏡及び処置具

ENDOSCOPEC PROCESSING TOOL

PURPOSE: To improve operability of an operation for peeling off a thin layer-like tissue by hardly allowing the thin layer-like tissue dropping off from an endoscope processing tool when the thin layer-like tissue or the like in a body cavity is grasped firmly and certainly and a peeling off operation of this thin layer-like tissue is performed in such a state that it is grasped by the endoscope processing tool. CONSTITUTION: This endoscopic processing tool is formed in such a manner that the length of one edge side of a pin slidingly-moving groove 20 is set longer than an operation range in which a guide pin 36 moves along the pin slidingly- moving groove 20 when an action to move a grasping member 5 to a closed position is performed, and a clearance 1 for extending toward the head direction further than the position of the guide pin 36 when the grasping member 5 is closed, is formed on this pin slidingly-moving groove 20. COPYRIGHT: (C)1996,JPO ...

ULTRASONIC TREATMENT APPARATUS

PROBLEM TO BE SOLVED: To provide an ultrasonic treatment apparatus in which deformation or abrasion of a part conducted to an operating rod is reduced by converting a turning and reciprocating operation of a movable handle of an operating means to a back-and-forth operation in the axial direction of the operating rod, and operability can be improved by simplifying and miniaturizing a structure of the entire operating part. SOLUTION: A base end of the operating rod 30 of a jaw 24 is connected to a rotating member 33 rotating with a sleeve 19 of an insert part, and connected to a movable handle 14 of an operating part body 12. A slider 39 only capable of moving back and forth and the rotating member 33 are interconnected rotatably. COPYRIGHT: (C)2002,JPO ...

TREATMENT TOOL FOR SURGERY

PROBLEM TO BE SOLVED: To provide a treatment tool for surgery by which disassembling work and assembling work are easily performed in a short period and which is suitable as medical equipment which has to be highly clean. SOLUTION: The treatment tool for surgery is provided with an insertion section 3, an operating section 5 including a fixed handle 76 and a movable handle 77, and a treatment section drive unit 2 including a treatment section 77, a drive shaft 24 and a drive unit 23. A cylindrical engaging section 121 is arranged at the forward end side of the fixed handle 76, and an engaging/ disengaging member 111 is arranged at the hand of the insertion section 3 and is adapted to engage the engaging section 121. A biasing member 108 is provided for energizing the engaging/disengaging member 111 toward the position of engagement between the engaging/disengaging member 111 and the engaging section 121. COPYRIGHT: (C)2003,JPO ...

FORCEPS FOR ENDOSCOPE

PROBLEM TO BE SOLVED: To improve the transmission efficiency of manipulating force without degrading the strength of an insertion portion. SOLUTION: The forceps for endoscopes include a manipulation part 3 which consists of a stationary handle 15 and a turnably mounted a moving handle 17 at the stationary handle 15, the insertion portion 2 which is fixedly connected to the stationary handle 15 of the manipulation part 3 and is insertable into the channel of the endoscope, manipulation shafts 26 and 36 which are mounted with engaging parts 36b formed at their one-side ends in the state of engaging the same with the moving handle of the manipulation part and are advanced and retreated by the turning manipulation force of the moving handle and a forceps part which is arranged at the front end of the insertion portion and is operated by the advance and retreated actions of the manipulation shafts. the engaging parts formed at the one-side ends of the manipulation shafts having cylindrical flank ...

IMAGE PICKUP DEVICE FOR STEREOSCOPIC VISION ENDOSCOPE

PURPOSE: To provide the stereoscopic vision endoscope image pickup device which can execute simply an alignment work of an image pickup optical system, and can be realized by a signal processing circuit of a small scale. CONSTITUTION: Optical images by objective lenses for stereoscopic vision are transmitted by an image guide, respectively, and an image having the parallax in the left and the right areas in a common image pickup 26 is formed by an image forming lens. The optical image is read out by applying a driving signal from a driving circuit part 29 to this image pickup element 26, stored temporarily in plural memory areas of a memory part 36, read out by applying a memory address signal from a pulse generator 38 to this memory part 36, subjected to D/A conversion, converted to a video signal which can be subjected to stereoscopic vision and outputted to a color monitor side. By adjusting a read-out timing from the memory part 36 by a read-out timing adjusting circuit 39, adjustment ...

処置具挿入補助具