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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0016044 (1993-02-10) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 458 인용 특허 : 0 |
An endoscopic surgical grasper for use by the human hand comprising a handle adapted to fit into the human hand. A rigid tubular member having proximal and distal extremities is provided and has the proximal extremity secured to the handle in a predetermined position longitudinal of the handle. A pu
An endoscopic surgical grasper for use by the human hand comprising a handle adapted to fit into the human hand. A rigid tubular member having proximal and distal extremities is provided and has the proximal extremity secured to the handle in a predetermined position longitudinal of the handle. A push rod having proximal and distal extremities is slidably mounted in the tubular member. A stop is carried by the handle. A knob assembly is slidably mounted on said tubular member and is movable from a first position in engagement with the stop and a second position away from the stop longitudinal of the tubular member. The knob assembly includes a plunger slidably mounted on said tubular member. A pin and slot mechanism couples the plunger to the proximal extremity of the push rod and permits limited movement of said push rod longitudinally of the tubular member while preventing rotational movement of the plunger relative to the tubular member. The knob assembly also includes a knob rotatably mounted on said handle and threadedly engaging the plunger and has a portion adapted to engage the stop in the handle. A spring is disposed within the tubular member and yieldably urges the plunger and the push rod in a distal direction to the second position of said knob assembly. Jaw-like grasping members movable between open and closed positions are carried by the distal extremity of the tubular member. A linkage mechanism connects the first and second grasping members to the push rod.
An endoscopic surgical grasper for use by the human hand comprising a handle adapted to fit into the human hand, a rigid tubular member having proximal and distal extremities and having the proximal extremity secured to the handle in a predetermined position longitudinal of the handle, a push rod ha
An endoscopic surgical grasper for use by the human hand comprising a handle adapted to fit into the human hand, a rigid tubular member having proximal and distal extremities and having the proximal extremity secured to the handle in a predetermined position longitudinal of the handle, a push rod having proximal and distal extremities slidably mounted in the tubular member, stop means carried by the handle, a knob assembly slidably mounted on said tubular member and being movable from a first position in engagement with the stop means and a second position away from the stop means, said knob assembly including a plunger slidably mounted on said tubular member, pin and slot means coupling said plunger to the proximal extremity of the push rod and permitting limited movement of said push rod longitudinally of the tubular member while preventing rotational movement of the plunger relative to the tubular member, said knob assembly also including a knob rotatably mounted on said handle threadedly engaging said plunger and having a portion adapted to engage said stop means in said handle, spring means disposed within said tubular member and yieldably urging said plunger and the push rod in a distal direction towards said second position of said knob assembly, jaw-like grasping means having first and second members movable between open and closed positions carried by the distal extremity of the tubular member and a linkage mechanism connecting said first and second grasping members to said push rod.
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