JPH0975454A - Injection tool for endoscope - Google Patents
Injection tool for endoscopeInfo
- Publication number
- JPH0975454A JPH0975454A JP7235161A JP23516195A JPH0975454A JP H0975454 A JPH0975454 A JP H0975454A JP 7235161 A JP7235161 A JP 7235161A JP 23516195 A JP23516195 A JP 23516195A JP H0975454 A JPH0975454 A JP H0975454A
- Authority
- JP
- Japan
- Prior art keywords
- endoscope
- insertion passage
- liquid
- injection
- 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.)
- Granted
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、内視鏡の処置具
挿通路を通じて患者の体腔内に注射をするための内視鏡
用注射具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope injection instrument for injecting into a body cavity of a patient through a treatment instrument insertion passage of an endoscope.
【０００２】[0002]
【従来の技術】内視鏡用注射具は一般に、外套管内に進
退自在に通された送液チューブの先端に注射針を接続し
て、手元側で送液チューブを進退操作することによっ
て、先端の注射針部が外套管の先端から出し入れされる
ようになっている。2. Description of the Related Art In general, an injection device for an endoscope has a distal end of a liquid-feeding tube which is passed through an outer tube so that a distal end of the liquid-feeding tube is connected to the distal end of the liquid-feeding tube so that the distal end of the liquid-feeding tube is moved forward and backward. The injection needle part is inserted into and removed from the tip of the outer tube.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上述のように
外套管内に送液チューブを通した二重管構造になってい
ると、外径寸法が太くなるので、気管支用内視鏡その他
の細径の内視鏡のように処置具挿通路の内径が細い内視
鏡では、注射具を使用することができなかった。However, in the case of the double tube structure in which the liquid feeding tube is passed through the outer tube as described above, the outer diameter dimension becomes large, so that the bronchoscope and other thin tubes are An injection instrument cannot be used with an endoscope having a small inner diameter of the treatment instrument insertion passage like an endoscope with a small diameter.
【０００４】そこで本発明は、処置具挿通路の内径が細
い内視鏡においても実用的に使用することのできる内視
鏡用注射具を提供することを目的とする。Therefore, an object of the present invention is to provide an endoscope injection tool that can be practically used even in an endoscope having a treatment instrument insertion passage having a small inner diameter.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡用注射具は、内視鏡の処置具挿通路
に挿通して使用される内視鏡用注射具であって、可撓性
と弾力性があって上記処置具挿通路に直接挿脱自在な一
本の合成樹脂製チューブからなる送液チューブの先端を
切り削いで注射針部を形成し、上記送液チューブ内に液
体を送り込むための液体注入口を上記送液チューブの基
端に設けると共に、上記注射針部が上記処置具挿通路の
先端から所定の長さ突出された状態の時に上記送液チュ
ーブを上記処置具挿通路の入口側口元部分に係合させて
固定するための固定手段を設けたことを特徴とする。In order to achieve the above object, an endoscope injection tool of the present invention is an endoscope injection tool which is used by being inserted into a treatment tool insertion passage of an endoscope. Therefore, the injection needle part is formed by cutting off the tip of the liquid feeding tube made of a synthetic resin tube that is flexible and elastic and can be directly inserted into and removed from the treatment instrument insertion passage. A liquid inlet for feeding a liquid into the liquid tube is provided at the base end of the liquid feeding tube, and the liquid feeding is performed when the injection needle portion is projected from the distal end of the treatment instrument insertion passage by a predetermined length. It is characterized in that a fixing means is provided for engaging and fixing the tube with the inlet side opening portion of the treatment instrument insertion passage.
【０００６】なお、上記処置具挿通路の入口側口元を奥
へ漸次細くなるテーパ孔状に形成して、上記固定手段
を、上記処置具挿通路の入口側口元に係合するテーパ筒
状に形成してもよい。The entrance-side opening of the treatment instrument insertion passage is formed in a tapered hole shape that gradually narrows inward, and the fixing means is formed into a tapered cylindrical shape that engages with the entrance-side opening of the treatment instrument insertion passage. You may form.
【０００７】また、上記固定手段を、上記液体注入口部
に一体的に形成してもよく、上記固定手段を、上記送液
チューブの途中に取り付けてもよい。Further, the fixing means may be formed integrally with the liquid inlet, or the fixing means may be attached in the middle of the liquid feeding tube.
【０００８】[0008]
【発明の実施の形態】図面を参照して実施の形態を説明
する。図１は、本発明の内視鏡用注射具１０が内視鏡１
の処置具挿通路２に挿通された、使用状態を示してい
る。Embodiments will be described with reference to the drawings. FIG. 1 shows that an endoscope injection tool 10 of the present invention is an endoscope 1
3 shows a usage state in which the treatment tool insertion passage 2 is inserted.
【０００９】処置具挿通路２は、先端出口が内視鏡１の
挿入部１ａの先端に開口し、基端入口が内視鏡１の操作
部１ｂから斜め上方向きに突出して開口している。２ａ
は処置具挿通路２の先端出口開口、２ｂは基端側の開口
部に形成された入口口金である。入口口金２ｂの内面
は、奥へ漸次細くなるテーパ孔状に形成されている。In the treatment instrument insertion passage 2, the distal end outlet is opened at the distal end of the insertion portion 1a of the endoscope 1, and the proximal end inlet is opened so as to project obliquely upward from the operation portion 1b of the endoscope 1. . 2a
Is a tip outlet opening of the treatment instrument insertion passage 2, and 2b is an inlet mouthpiece formed in the opening portion on the base end side. The inner surface of the inlet mouthpiece 2b is formed in a tapered hole shape that gradually becomes thinner toward the back.
【００１０】先端出口開口２ａと入口口金２ｂとの間
は、ポリエチレン四フッ化エチレン樹脂（ＰＴＦＥ）等
のような、可撓性チューブからなる処置具挿通チャンネ
ル２ｃによって連通接続されている。The tip outlet opening 2a and the inlet mouthpiece 2b are communicatively connected by a treatment instrument insertion channel 2c made of a flexible tube such as polyethylene tetrafluoride ethylene resin (PTFE).
【００１１】注射具１０は、全長にわたって、可撓性と
弾力性があって処置具挿通路２内に直接挿脱自在な一本
の合成樹脂製のチューブからなる送液チューブ１１によ
って形成されている。その材料としては、例えばポリイ
ミド樹脂又はＰＴＦＥ等を用いることができる。ただ
し、その他の種類の合成樹脂でもよい。The injection tool 10 is formed by a liquid-feeding tube 11 made of a single synthetic resin tube that is flexible and elastic and can be directly inserted into and removed from the treatment tool insertion passage 2 over the entire length. There is. As the material, for example, polyimide resin or PTFE can be used. However, other types of synthetic resins may be used.
【００１２】送液チューブ１１の先端は、人の体腔内壁
に突き刺すことができるように、斜めに切り削がれて、
注射針部１２が形成されている。また、手元側の送液チ
ューブ１１の基端には、送液チューブ１１内に液体を送
り込むための液体注入口部１３が固定的に連結されてい
る。The tip of the liquid feeding tube 11 is obliquely cut so that it can be pierced into the inner wall of a human body cavity,
The injection needle portion 12 is formed. Further, a liquid injection port portion 13 for sending the liquid into the liquid sending tube 11 is fixedly connected to the proximal end of the liquid sending tube 11 on the hand side.
【００１３】そして、液体注入口部１３には、外周面が
処置具挿通路２の入口口金２ｂのテーパ状孔にぴったり
と係合するテーパ筒状に形成された固定筒１４が、一体
的に形成されている。The liquid injection port portion 13 is integrally provided with a fixed cylinder 14 whose outer peripheral surface is formed into a tapered cylindrical shape so as to be tightly engaged with the tapered hole of the inlet mouthpiece 2b of the treatment instrument insertion passage 2. Has been formed.
【００１４】この固定筒１４は、処置具挿通路２の入口
口金２ｂに外方から強く差し込むことによってそこに固
定され、その時に、注射針部１２が処置具挿通路２の先
端出口開口２ａから所定の長さＬだけ突出した状態にな
るように設定されている。固定筒１４は、外方に強く引
っ張れば入口口金２ｂから取り外される。The fixed barrel 14 is fixed to the entrance mouthpiece 2b of the treatment instrument insertion passage 2 by strongly inserting it into the entrance mouthpiece 2b from the outside, and at that time, the injection needle portion 12 extends from the tip outlet opening 2a of the treatment instrument insertion passageway 2. It is set so as to project by a predetermined length L. The fixed barrel 14 is removed from the inlet mouthpiece 2b by pulling it strongly outward.
【００１５】注射針部１２の先端突出長Ｌは、例えば２
〜２０ｍｍ程度に設定されるが、膵臓や肝臓等に対する
処置の場合には４０ｍｍ程度に設定するのがよい例もあ
り、使用目的に応じて最適の長さの注射具１０を選択す
ればよい。The protruding length L of the tip of the injection needle portion 12 is, for example, 2
It is set to about 20 mm, but in the case of treatment for the pancreas, liver, etc., there is an example in which it is preferable to set it to about 40 mm, and the injection tool 10 having the optimum length may be selected according to the purpose of use.
【００１６】なお、処置具挿通路２の固定筒１４と入口
口金２ｂとの係合部は、上述の構造に限らず、固定筒１
４が入口口金２ｂに対して係合自在であって、係合時に
は固定筒１４が入口口金２ｂに固定されるものであれ
ば、例えばいわゆるルアーロック口金などどのようなも
のを用いてもよい。The engaging portion between the fixed barrel 14 of the treatment instrument insertion passage 2 and the inlet mouthpiece 2b is not limited to the above-described structure, but the fixed barrel 1 may be used.
As long as 4 is engageable with the inlet mouthpiece 2b and the fixed cylinder 14 is fixed to the inlet mouthpiece 2b at the time of engagement, any one such as a so-called luer lock mouthpiece may be used.
【００１７】このように形成された注射具１０は、内視
鏡１の処置具挿通路２に挿通して、固定筒１４を入口口
金２ｂに係合させることにより、注射針部１２が先端出
口開口２ａから所定の長さＬだけ突出した状態に固定さ
れる。The injection device 10 thus formed is inserted into the treatment device insertion passage 2 of the endoscope 1 and the fixed barrel 14 is engaged with the inlet mouthpiece 2b, so that the injection needle portion 12 has a distal end outlet. It is fixed in a state of protruding by a predetermined length L from the opening 2a.
【００１８】そして、内視鏡１で患部を観察しながら挿
入部１ａの先端を患部に向かって押しつけることによ
り、注射具１０の注射針部１２が患部に穿刺される。そ
こで、液体注入口部１３に接続した注射器（図示せず）
から薬液を注入したり、吸引生検等を行うことができ
る。Then, while observing the affected area with the endoscope 1, the tip of the insertion portion 1a is pressed toward the affected area, whereby the injection needle portion 12 of the injection tool 10 is punctured into the affected area. Therefore, a syringe (not shown) connected to the liquid inlet 13
It is possible to inject a drug solution from the device, perform a suction biopsy, or the like.
【００１９】この場合、注射具１０には外套管がないの
で、従来の内視鏡用注射具と比較すると、注射具１０の
外径寸法を細くして、しかも薬液が通る管路径を十分に
太くとることができる。したがって、挿入部１ａの外径
の細い内視鏡１を介して十分な薬液な注射することがで
きる。In this case, since the injection tool 10 does not have an outer tube, the outer diameter of the injection tool 10 can be made smaller than that of the conventional endoscope injection tool, and the diameter of the conduit through which the drug solution passes can be sufficiently increased. It can be thick. Therefore, a sufficient medicinal solution can be injected through the endoscope 1 having a small outer diameter of the insertion portion 1a.
【００２０】注射具１０による処置が終了したら、処置
具挿通路２の入口口金２ｂから固定筒１４を外して、注
射具１０を処置具挿通路２から抜き出し、内視鏡１で患
部の様子を観察してから内視鏡１を体腔外に引き出す。When the treatment with the injection instrument 10 is completed, the fixed barrel 14 is removed from the inlet mouthpiece 2b of the treatment instrument insertion passage 2, the injection instrument 10 is extracted from the treatment instrument insertion passage 2, and the state of the affected area is observed with the endoscope 1. After the observation, the endoscope 1 is pulled out of the body cavity.
【００２１】図２は、本発明の第２の実施の形態を示し
ており、処置具挿通路２の入口口金２ｂに係脱自在な固
定筒１４を、液体注入口部１３から分離して送液チュー
ブ１１の途中の部分に固着し、液体注入口部１３を固定
筒１４より手元側に引き出したものである。このように
構成することにより、液体注入口部１３からの薬液注入
等の操作を行いやすくなる。FIG. 2 shows a second embodiment of the present invention, in which a fixed cylinder 14 which can be engaged with and disengaged from the inlet mouthpiece 2b of the treatment instrument insertion passage 2 is separated from the liquid injection port portion 13 and fed. The liquid tube 11 is fixed to an intermediate part of the liquid tube 11, and the liquid injection port 13 is pulled out from the fixed cylinder 14 toward the proximal side. With this configuration, it becomes easy to perform an operation such as injecting a chemical solution from the liquid injection port 13.
【００２２】その他の構成は前述の第１の実施の形態と
同じであり、固定筒１４を処置具挿通路２の入口口金２
ｂに係合させれば、注射針部１２が処置具挿通路２の先
端出口開口２ａから所定長Ｌだけ突出した状態に固定さ
れる。The other structure is the same as that of the first embodiment, and the fixed barrel 14 is connected to the inlet mouthpiece 2 of the treatment instrument insertion passage 2.
By engaging with b, the injection needle portion 12 is fixed in a state of protruding by a predetermined length L from the distal end outlet opening 2a of the treatment instrument insertion passage 2.
【００２３】図３は、本発明の第３の実施の形態を示し
ており、固定筒１４を、送液チューブ１１の外面に沿う
貫通孔が形成された摺動筒１４ａと、その摺動筒１４ａ
を送液チューブ１１に固定するための固定用テーパ筒１
４ｂとに分けて形成したものである。FIG. 3 shows a third embodiment of the present invention, in which the fixed cylinder 14 is a sliding cylinder 14a having a through hole extending along the outer surface of the liquid feeding tube 11, and the sliding cylinder. 14a
Fixing taper cylinder 1 for fixing the liquid to the liquid feeding tube 11
4b is formed separately.
【００２４】図４にも示されるように、摺動筒１４ａの
先側の外周面には入口口金２ｂに係合させるためのテー
パ面１４ｃが形成され、それとは逆向きのテーパ面１４
ｄが手元側の外周面に形成されている。As shown in FIG. 4, a taper surface 14c for engaging the inlet mouthpiece 2b is formed on the outer peripheral surface of the front side of the sliding cylinder 14a, and a taper surface 14 in the opposite direction to that is formed.
d is formed on the outer peripheral surface on the proximal side.
【００２５】また、外周面から内側の貫通孔に抜けるス
リット１４ｅが、軸方向に真っ直ぐに全長にわたって形
成されている。１４ｆは、固定用テーパ筒１４ｂが抜け
出すのを防ぐために摺動筒１４ａの手元側端部に突設さ
れた突起である。その他の部分は、前述の第２の実施の
形態と同じである。A slit 14e extending from the outer peripheral surface to the inner through hole is formed straight in the axial direction over the entire length. Reference numeral 14f is a projection provided at the proximal end of the sliding cylinder 14a to prevent the fixing taper cylinder 14b from slipping out. Other parts are the same as those in the second embodiment described above.
【００２６】このような構成により、固定用テーパ筒１
４ｂを軸線方向に移動させて手元側テーパ面１４ｄをき
つく締めつけた状態にすると、スリット１４ｅの幅が狭
まる方向に摺動筒１４ａが弾性変形して送液チューブ１
１の外周面に押しつけられ、固定筒１４が送液チューブ
１１に固定された状態になる。With such a configuration, the fixing taper cylinder 1
When 4b is moved in the axial direction and the proximal taper surface 14d is tightly tightened, the sliding tube 14a is elastically deformed in the direction in which the width of the slit 14e is narrowed, and the liquid feeding tube 1
It is pressed against the outer peripheral surface of No. 1 and the fixed cylinder 14 is fixed to the liquid feeding tube 11.
【００２７】そして、固定用テーパ筒１４ｂを逆方向に
移動させれば、摺動筒１４ａが自己の弾性によって元の
自然状態に戻り、送液チューブ１１に対してスライド可
能な状態になる。When the fixing taper cylinder 14b is moved in the opposite direction, the sliding cylinder 14a returns to its original natural state by its own elasticity and becomes slidable with respect to the liquid feeding tube 11.
【００２８】したがって、この実施の形態では、固定筒
１４を送液チューブ１１に対して任意の位置で固定する
ことができ、注射具１０の注射針部１２が処置具挿通路
２の先端出口開口２ａから突出する所定長Ｌを、使用目
的等に応じて自由に設定することができる。Therefore, in this embodiment, the fixed cylinder 14 can be fixed to the liquid feeding tube 11 at an arbitrary position, and the injection needle portion 12 of the injection tool 10 causes the tip exit opening of the treatment tool insertion passage 2. The predetermined length L protruding from 2a can be freely set according to the purpose of use and the like.
【００２９】[0029]
【発明の効果】本発明によれば、内視鏡の処置具挿通路
に直接挿脱自在な一本の合成樹脂製チューブからなる送
液チューブの先端を切り削いで注射針部を形成したの
で、注射具の外径を細く形成することができて挿入部の
細い内視鏡にも使用することができ、さらに、先端の注
射針部が処置具挿通路の先端から所定の長さ突出された
状態の時に送液チューブを処置具挿通路の入口側口元部
分に係合させて固定する固定手段を設けたので、患部に
対して内視鏡自体を押しつけることにより、注射針部を
正確に所定の深さだけ患部に穿刺することができる。According to the present invention, the injection needle portion is formed by cutting the tip of the liquid feeding tube made of a synthetic resin tube that can be directly inserted into and removed from the treatment instrument insertion passage of the endoscope. , The outer diameter of the injection device can be formed thin and can be used for an endoscope with a thin insertion part, and further, the injection needle part at the tip is projected a predetermined length from the tip of the treatment device insertion passage. In this state, a fixing means is provided to engage and fix the liquid feeding tube to the entrance-side mouth portion of the treatment instrument insertion passage.Therefore, by pressing the endoscope itself against the affected area, the injection needle portion can be accurately The affected area can be punctured to a predetermined depth.
【００３０】そして、固定手段を送液チューブの途中に
設ければ、液体注入口を手元側に引き出して、薬液注入
操作等を容易に行うことができる。If the fixing means is provided in the middle of the liquid feeding tube, the liquid injection port can be pulled out to the hand side, and the chemical liquid injection operation or the like can be easily performed.
【図１】本発明の第１の実施の形態の、一部を断面で示
す側面図である。FIG. 1 is a side view showing a part of a cross section of a first embodiment of the present invention.
【図２】本発明の第２の実施の形態の、一部を断面で示
す側面図である。FIG. 2 is a side view showing a part of a cross section of a second embodiment of the present invention.
【図３】本発明の第３の実施の形態の、一部を断面で示
す側面図である。FIG. 3 is a side view showing a part of a cross section of a third embodiment of the present invention.
【図４】本発明の第３の実施の形態の固定筒の斜視図で
ある。FIG. 4 is a perspective view of a fixed barrel according to a third embodiment of the present invention.
１ 内視鏡 ２ 処置具挿通路 ２ａ 先端出口開口 ２ｂ 入口口金 １０ 注射具 １１ 送液チューブ １２ 注射針部 １３ 液体注入口部 １４ 固定筒 DESCRIPTION OF SYMBOLS 1 Endoscope 2 Treatment tool insertion passage 2a Tip exit opening 2b Entrance mouthpiece 10 Injection tool 11 Liquid feeding tube 12 Injection needle part 13 Liquid injection port part 14 Fixed tube
Claims (4)
る内視鏡用注射具であって、 可撓性と弾力性があって上記処置具挿通路に直接挿脱自
在な一本の合成樹脂製チューブからなる送液チューブの
先端を切り削いで注射針部を形成し、上記送液チューブ
内に液体を送り込むための液体注入口を上記送液チュー
ブの基端に設けると共に、上記注射針部が上記処置具挿
通路の先端から所定の長さ突出された状態の時に上記送
液チューブを上記処置具挿通路の入口側口元部分に係合
させて固定するための固定手段を設けたことを特徴とす
る内視鏡用注射具。1. An endoscope injection tool which is used by being inserted into a treatment instrument insertion passage of an endoscope, which is flexible and elastic and can be directly inserted into and removed from the treatment instrument insertion passage. The injection needle portion is formed by cutting the tip of the liquid feeding tube made of a single synthetic resin tube, and a liquid inlet for feeding the liquid into the liquid feeding tube is provided at the base end of the liquid feeding tube. A fixing means for engaging and fixing the liquid feeding tube with the inlet side opening portion of the treatment instrument insertion passage when the injection needle portion is projected from the distal end of the treatment instrument insertion passage by a predetermined length. A syringe for an endoscope, characterized by being provided with.
細くなるテーパ孔状に形成されていて、上記固定手段が
上記処置具挿通路の入口側口元に係合するテーパ筒状に
形成されている請求項１記載の内視鏡用注射具。2. An entrance-side opening of the treatment instrument insertion passage is formed in a tapered hole shape that gradually narrows inward, and the fixing means is formed into a tapered cylindrical shape that engages with the entrance-side opening of the treatment instrument insertion passage. The injection device for an endoscope according to claim 1, which is formed.
的に形成されている請求項１又は２記載の内視鏡用注射
具。3. The injection device for an endoscope according to claim 1, wherein the fixing means is integrally formed with the liquid injection port.
に取り付けられている請求項１又は２記載の内視鏡用注
射具。4. The endoscope injection tool according to claim 1, wherein the fixing means is attached in the middle of the liquid supply tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23516195A JP3548296B2 (en) | 1995-09-13 | 1995-09-13 | Endoscope injection tool |
| US09/369,346 US6203533B1 (en) | 1995-06-07 | 1999-08-06 | Treatment accessory for an endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23516195A JP3548296B2 (en) | 1995-09-13 | 1995-09-13 | Endoscope injection tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0975454A true JPH0975454A (en) | 1997-03-25 |
| JP3548296B2 JP3548296B2 (en) | 2004-07-28 |
Family
ID=16981963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23516195A Expired - Fee Related JP3548296B2 (en) | 1995-06-07 | 1995-09-13 | Endoscope injection tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3548296B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009189639A (en) * | 2008-02-15 | 2009-08-27 | Fujinon Corp | Luer lock type fluid connector |
| JP2013146321A (en) * | 2012-01-18 | 2013-08-01 | Zong-Bao Lin | Bathtub exercise assistance mechanism |
| US20140088432A1 (en) * | 2012-09-25 | 2014-03-27 | Boston Scientific Scimed, Inc. | Biopsy Channel Attachment Adaptor |
| CN105251083A (en) * | 2015-11-13 | 2016-01-20 | 王伟娜 | Multifunctional injection apparatus under medical endoscope |
| CN105251083B (en) * | 2015-11-13 | 2019-07-16 | 王伟娜 | Multi-functional injection device under a kind of Medical endoscope |
-
1995
- 1995-09-13 JP JP23516195A patent/JP3548296B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009189639A (en) * | 2008-02-15 | 2009-08-27 | Fujinon Corp | Luer lock type fluid connector |
| JP2013146321A (en) * | 2012-01-18 | 2013-08-01 | Zong-Bao Lin | Bathtub exercise assistance mechanism |
| US20140088432A1 (en) * | 2012-09-25 | 2014-03-27 | Boston Scientific Scimed, Inc. | Biopsy Channel Attachment Adaptor |
| US9386963B2 (en) * | 2012-09-25 | 2016-07-12 | Boston Scientific Scimed, Inc. | Biopsy channel attachment adaptor |
| CN105251083A (en) * | 2015-11-13 | 2016-01-20 | 王伟娜 | Multifunctional injection apparatus under medical endoscope |
| CN105251083B (en) * | 2015-11-13 | 2019-07-16 | 王伟娜 | Multi-functional injection device under a kind of Medical endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3548296B2 (en) | 2004-07-28 |
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