Grasper, needle carrier, and pinching attachment
A gripper and clamping technology, used in trocars, surgical instruments, medical science, etc.
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no. 1 example ＞
[0102] A first embodiment of the present invention will be described below with reference to FIGS. 1 to 17D.
[0103] First, the schematic structure of the needle holder according to the first embodiment will be described with reference to FIGS. 1 to 16 . FIG. 1 is a longitudinal cross-sectional view from the side for explaining a schematic structure of a needle holder according to a first embodiment, and FIG. 2 is a perspective view illustrating a schematic structure in a state where a clip is attached. Furthermore, FIG. 3A is a plan view illustrating a schematic structure of the clip in an open state, and FIG. 3B is a plan view illustrating a schematic structure of the clip in a closed state.
[0104] In Fig. 1, Fig. 2, Fig. 3A and Fig. 3B, reference numeral 100 is a needle holder (gripper), reference numeral 10 is a needle holder body (gripper body), and reference numeral 20 is a clip The holder (grip), reference numeral 30 is a clamp arm opening and closing drive unit (fi...
no. 2 example ＞
[0333] A second embodiment of the present invention will be described below with reference to FIGS. 18 to 22 .
[0334] Fig. 18 is a longitudinal sectional view viewed from the side illustrating a schematic structure of a needle holder according to a second embodiment of the present invention, and Fig. 19 is a longitudinal sectional view viewed from the side illustrating a schematic structure of a clamp arm rotation drive portion, Fig. 20 is a longitudinal sectional view viewed from the side illustrating a schematic structure of the clamp arm opening and closing drive unit, and Fig. 21 is a side view illustrating detailed main parts of the clamp arm opening and closing drive unit and the clamp arm rotation drive unit. 22A is a schematic structural diagram of the S-shaped spring in the state where the clamp arm is opened to explain the action of the opening and closing drive part of the clamp arm. FIG. 22B is a schematic structure diagram depicting the S-shaped spring in the sta...
no. 3 example ＞
[0376] One example of the gripper according to the third embodiment of the present invention will be described below with reference to FIGS. 23 , 24A to 24C.
[0377] Fig. 23 is a longitudinal section viewed from the side illustrating a schematic configuration of a gripper relating to a third embodiment of the present invention. Furthermore, FIGS. 23A to 23C are diagrams illustrating a schematic structure of the forceps. FIG. 23A is a schematic structure view of the forceps viewed from the side, FIG. 23B is a schematic structure view of a plane view, and FIG. 23C is viewed from the base end side. Rough construction diagram.
[0378] In the drawings, reference numeral 300 is a gripper, and reference numeral 320 is a forceps (grip).
[0379] As shown in FIG. 23 , for example, the gripper 300 includes: a gripper body 10 , a clamp (clamp, grip) 320 , a clamp arm opening and closing drive unit (first drive unit) 30 , And the clamp arm rotation drive part (second drive part) 40 . ...
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