JPH0329113U - - Google Patents
Info
- Publication number
- JPH0329113U JPH0329113U JP8876989U JP8876989U JPH0329113U JP H0329113 U JPH0329113 U JP H0329113U JP 8876989 U JP8876989 U JP 8876989U JP 8876989 U JP8876989 U JP 8876989U JP H0329113 U JPH0329113 U JP H0329113U
- Authority
- JP
- Japan
- Prior art keywords
- elastic
- distal end
- flexible sheath
- elastic wires
- treatment instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011282 treatment Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000012277 endoscopic treatment Methods 0.000 claims description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図は、本考案の第１実施例を示す内視鏡用
処置具のバスケツト型把持鉗子の、先端部の要部
拡大断面図、第２図は、上記第１図のバスケツト
型把持鉗子の全体の構成を示す概略図、第３図は
、本考案の第２実施例を示す結石破砕用バスケツ
ト鉗子の先端部の要部拡大断面図、第４図は、従
来のバスケツト型把持鉗子の一例を示す先端部の
要部拡大断面図、第５図は、上記第４図のバスケ
ツト型把持鉗子のバスケツトをシース内に収納す
る際の変形例を示す側面図である。
１，４１……バスケツト型把持鉗子（内視鏡用
処置具）、２，２６，４２……バスケツト、３，
４，５，６，２７，２８，２９，３０，４３……
弾性ワイヤ、３ａ〜３ｄ，４ａ〜４ｄ，５ａ〜５
ｄ，６ａ〜６ｄ，２７ａ〜２７ｅ，２８ａ〜２８
ｅ，２９ａ〜２９ｅ，３０ａ〜３０ｅ……折曲部
、７……可撓性シース、８……操作ワイヤ、２０
……結石破砕用バスケツト鉗子（内視鏡用処置具
）。
FIG. 1 is an enlarged cross-sectional view of the main part of the tip of a basket-type grasping forceps as an endoscopic treatment tool showing a first embodiment of the present invention, and FIG. 2 shows the basket-type grasping forceps shown in FIG. 1 above. FIG. 3 is an enlarged cross-sectional view of the main part of the distal end of a basket forceps for stone fragmentation showing a second embodiment of the present invention, and FIG. FIG. 5 is an enlarged cross-sectional view of the main part of the distal end portion showing an example, and FIG. 5 is a side view showing a modification of the basket-type grasping forceps shown in FIG. 4 when the basket is housed in the sheath. 1 , 41 ... Basket type grasping forceps (endoscope treatment instrument), 2, 26, 42... Basket, 3,
4, 5, 6, 27, 28, 29, 30, 43...
Elastic wire, 3a-3d, 4a-4d, 5a-5
d, 6a-6d, 27a-27e, 28a-28
e, 29a to 29e, 30a to 30e... bending portion, 7... flexible sheath, 8... operating wire, 20
...Basket forceps for stone fragmentation (endoscope treatment tool).
Claims (1)
イヤによつて形成され、可撓性シースの先端部内
に縮少して収納されるようになつていて、同シー
スの先端部から突出したときにはバスケツト状に
拡開する処置部を有する内視鏡用処置具であつて
、 上記弾性ワイヤの、上記可撓性シースの軸方向
のほぼ同位置に形成された複数の折り曲げを含む
折曲箇所の少なくとも一箇所における各弾性ワイ
ヤの折曲位置が、互いに対向する弾性ワイヤ同士
では一致し、互いに隣接する弾性ワイヤ同士では
異なることを特徴とする内視鏡用処置具。[Claims for Utility Model Registration] It is formed of an even number of elastic wires each having a plurality of bent parts, and is designed to be contracted and stored within the distal end of a flexible sheath, An endoscopic treatment instrument having a treatment section that expands into a basket shape when protruding from a distal end, wherein a plurality of bends of the elastic wire are formed at approximately the same position in the axial direction of the flexible sheath. 1. An endoscope treatment instrument characterized in that the bending position of each elastic wire at at least one of the bending points is the same for the elastic wires facing each other, and is different for the elastic wires adjacent to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8876989U JPH0329113U (en) | 1989-07-28 | 1989-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8876989U JPH0329113U (en) | 1989-07-28 | 1989-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329113U true JPH0329113U (en) | 1991-03-22 |
Family
ID=31638362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8876989U Pending JPH0329113U (en) | 1989-07-28 | 1989-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329113U (en) |
-
1989
- 1989-07-28 JP JP8876989U patent/JPH0329113U/ja active Pending
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