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Disposal utensils

A technology for disposing instruments and locking positions, which is applied in medical science, surgery, surgical fixation nails, etc., and can solve problems such as disposal effects

Active Publication Date: 2022-04-29
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, when the shaft and the end effector rotate together as described above in a state where the treatment object is held between the grip pieces, there is a possibility that it will affect the treatment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0025] refer to Figure 1 to Figure 8 The first embodiment of the present invention will be described. figure 1 with figure 2 It is a figure which shows the treatment instrument (grip treatment instrument) 1 of this embodiment. Such as figure 1 with figure 2 The treatment instrument 1 has a length axis C as shown. Here, the side along the direction of the longitudinal axis C is referred to as the distal side (arrow C1 side), and the side opposite to the distal side is referred to as the proximal side (arrow C2 side).

[0026] The treatment tool 1 includes a retainable housing 2 , a shaft (sheath) 3 connected to the distal end side of the housing 2 , and an end effector 5 provided at the distal end of the shaft 3 . The shaft 3 extends along the longitudinal axis C from the proximal end side to the distal end side, and the central axis of the shaft 3 is substantially coaxial with the longitudinal axis C. In the shaft 3 , the side facing the casing 2 is called the proxima...

no. 2 Embodiment approach

[0062] Next, refer to Figure 9 ~ Figure 11 A second embodiment of the present invention will be described. The second embodiment is obtained by modifying the structure of the first embodiment as follows. In addition, the same code|symbol is attached|subjected to the same part as 1st Embodiment, and description is abbreviate|omitted.

[0063] Figure 9 It is a figure which shows the treatment instrument 1 of this embodiment. also, Figure 10 yes means Figure 9 A cross-sectional view of the line A-A. Such as Figure 9 with Figure 10 As shown, the housing body 11 has, on its outer surface, a side 19 facing the width direction of the housing 2 . Such as Figure 10 As shown, the side 19 has an opening 44 . The opening 44 is a through hole penetrating through the outer surface of the case main body 11 in the width direction.

[0064] Inside the housing main body 11 , a shaft 3 is provided extending along the rotation axis R, and the shaft 3 is inserted into the inside ...

no. 3 Embodiment approach

[0081] Next, refer to Figure 13 ~ Figure 15 A third embodiment of the present invention will be described. The third embodiment is obtained by modifying the structure of the first embodiment as follows. In addition, the same code|symbol is attached|subjected to the same part as 1st Embodiment, and description is abbreviate|omitted.

[0082] Figure 13 It is a figure which shows the treatment instrument 1 of this embodiment. also, Figure 14 It is a figure which shows the inside of the case main body 11 of this embodiment. Such as Figure 13 with Figure 14 As shown, in this embodiment, like the first modified example of the first embodiment, the rotating member 25 is provided on the shaft 3 inside the housing 2 and is exposed from the opening 14 provided on the outer surface of the housing main body 11 to the The outer side of the housing main body 11. The housing main body 11 has an upper surface 20 facing the side opposite to the side on which the handle 12 is locat...

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Abstract

The treatment tool includes: a casing; a shaft capable of rotating around a predetermined rotation axis relative to the casing; a rotation axis rotates; a locking member that inhibits the rotation of the shaft relative to the housing by engaging with the shaft; and an operating member that is attached to the housing by moving to switch the engagement state of the lock member and the shaft.

Description

technical field [0001] The invention relates to a treatment instrument for treating a treatment object by using an end effector. Background technique [0002] U.S. Patent No. 5,383,888 discloses a treatment instrument in which an end effector for treating a treatment object is provided at the tip of a shaft. In this treatment tool, a shaft is connected to the retainable housing, and the handle is opened or closed between the pair of grip pieces in the end effector by opening or closing the handle relative to the handle of the housing. By closing the grip sheets, a treatment object such as living tissue is gripped between the grip sheets. In addition, the rotating member (rotary knob) is attached to the casing so as to be rotatable about the central axis of the shaft. When an operation force for rotating the rotating member is applied, the shaft and the end effector rotate together with the rotating member relative to the housing with the center axis of the shaft serving as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/3201A61B17/068
CPCA61B17/07207A61B2017/00314A61B2017/00398A61B2017/2929A61B2017/2946A61B17/2909A61B2017/2925A61B2017/2927A61B17/068A61B17/3201A61B2017/2919
Inventor 田中千博武井祐介北村央士朗小林明誉山本达郎
Owner OLYMPUS CORP