JP2003512121A - 医療用の鉗子 - Google Patents
医療用の鉗子Info
- Publication number
- JP2003512121A JP2003512121A JP2001532665A JP2001532665A JP2003512121A JP 2003512121 A JP2003512121 A JP 2003512121A JP 2001532665 A JP2001532665 A JP 2001532665A JP 2001532665 A JP2001532665 A JP 2001532665A JP 2003512121 A JP2003512121 A JP 2003512121A
- Authority
- JP
- Japan
- Prior art keywords
- forceps
- container element
- shell
- shell half
- edge
- 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
- 238000001574 biopsy Methods 0.000 claims abstract description 13
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 210000004877 mucosa Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 210000001072 colon Anatomy 0.000 description 2
- 238000001861 endoscopic biopsy Methods 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 206010050161 Gastric dysplasia Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000007107 Stomach Ulcer Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 206010009887 colitis Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009826 neoplastic cell growth Effects 0.000 description 1
- 208000014965 pancolitis Diseases 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229940125723 sedative agent Drugs 0.000 description 1
- 239000000932 sedative agent Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B2010/0225—Instruments for taking cell samples or for biopsy for taking multiple samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00287—Bags for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
- A61B2017/2825—Inserts of different material in jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
- A61B2017/2829—Jaws with a removable cover
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Surgical Instruments (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Safety Valves (AREA)
- Adornments (AREA)
Abstract
Description
psy)用の鉗子(forceps)に関する。
のシェル半体であって第1の開き形状および第2の閉じ形状をとり得る如き様式に
て支持要素上に取付けられた2個のシェル半体を備える。
とされて内視鏡の操作ダクトに通され、生検されるべき(たとえば食道、胃、十
二指腸または結腸などの)器官の内部粘膜と接触せしめられる。
すべく開かれてから閉じられ、該シェル半体間には上記粘膜が保持される。利用
可能なスペースは本来的に限られていることから、閉じられた上記各シェル半体
が保持し得るのはせいぜい2〜3個の生検サンプルである。
大腸炎(ulcerative pancolitis)の場合の形成異常もしくは新形成における如く
、多数のサンプルが採取されるべきである病理学的状態が生ずることは多い。
に鉗子は内視鏡ダクトを介して引抜かれ、空にされ、操作対象部位へと再導入さ
れねばならない。故に、上記ダクトの大量の摩耗および変形が生じ、破断による
体液(liquid)の侵入のリスクがあるが、これは内視鏡に対する極めて深刻な損傷
を引き起こし得る。
にシェル半体を空にするのに必要な手順の時間が長いことである。採取されるべ
きサンプルのサイズは小さいことから、この操作を行う上で操作者は相当の時間
を要する。しかし実際の操作においては、たとえば鎮静薬を服用し得ない非常に
不耐性(intolerant)の患者などにより一定の条件において利用可能な時間は極め
て限られることから、習用の鉗子を用いることは困難である。
された形式の鉗子であって、複数の生検サンプルを受容するキャビティを有する
少なくとも一個の容器要素を備えることを特徴とする鉗子である。
的状態に対して必要なサンプルの全てを連続的に採取すべく使用され得ることか
ら、操作に必要な時間を相当に短縮すると共に内視鏡ダクトの摩耗を相当に減少
する。
して保持することから、該ダクト内に存在し得る不純物または他の採取サンプル
の残存断片による一切の混合が防止されるという利点が在る。
て提供される以下の詳細な説明から明らかとなろう。
る2個のシェル半体10a、10bを備える(図1乃至図3)。シェル半体10a、10bは、
(各図中に示された)第1の開き形状と、該2個のシェル半体10a、10bの各前縁部1
2が相互に接触するという第2の閉じ形状とをとり得る様に、たとえば支持要素16
上に習用の様式で取付けられる。
合されたビーカー形状の容器要素22の内側のキャビティ20であってその壁部に複
数の貫通開口24を有するキャビティ20と連通する。
用されるに適した材料から特別な制限なしで選択され得る。
。
るべき器官の内部粘膜に近い所望位置に該鉗子が来るまで(各図には示されてい
ない)内視鏡ダクトを通過せしめられる。次にシェル半体10a、10bは対応個数の
生検サンプルを切断すべく連続的に開閉される。
により容器要素22の基部の方へ付勢される。
の器官体液が排出され得ることから、容器要素22の内側における生検サンプルの
移動が更に容易となる。
その容器要素22と共に内視鏡ダクトを通して引抜かれ得る。故に、キャビティ20
の内側に封入された各生検サンプルは、組織学的汚染の潜在的原因を構成し得る
上記ダクトとの実質的な接触は一切行わない。
、これらのシェル半体は図1乃至図3に関して記述されたのと同様の手法で支持
要素上に取付けられ得る。
前縁部12のレベルまで隆起された中央部分26と、環状で凹状とされた周縁部28と
を備えた基部壁14を有する(図4および図6)。
が、該孔18に対しては、ビーカー形状の容器要素22の端部であって開放されると
共に絞られたネックを有する端部が環状接着剤層30により固定される。故に容器
要素22の内部キャビティ20は、シェル半体10bの内側のスペースの連続部を構成
する。
図3に関して記述されたのと実質的に同様である。シェル半体10aを特定形状と
したことから、各生検サンプルには更に大きな圧力が付与されて容器要素22の内
部キャビティ20内へと付勢され得る。
ているが、これは上述の接着剤層の使用の代替例である。この場合に要素22の開
放端部は、シェル半体10bの孔18の相補形状縁部に係合するためのフック縁部を
有している。この係合は好適には、スプリング・リング32などの機械的要素によ
り固定される。
ものとしてのみ記述されたそれらに関し本発明の有効範囲から逸脱することなく
広範囲に変更され得る。特に上記シェル半体は両者ともに、自身の容器要素を有
し、且つ/又は、相互から独立して、たとえば歯付きの、もしくは鋸歯状の縁部
などの任意の形状を有し得る。また上記容器要素は、実質的に任意の形状および
/または長さを有し、且つ/又は、結合されたシェル半体の縁部に直接的に係合
されたネットの形態とされ得る。更に、容器要素は等しく良好に夫々のシェル半
体に対して固着的にまたは解除可能に固定され得る。
。
。
Claims (10)
- 【請求項1】 各々が前縁部(12)および基部壁(14)を備えた2個のシェル半
体(10a、10b)であって第1の開き形状および第2の閉じ形状をとり得る如き様式に
て支持要素(16)上に取付けられた2個のシェル半体(10a、10b)を備えた医療用の
特に生検用の鉗子において、 該鉗子は複数の生検サンプルを受容するキャビティ(20)を有する少なくともひ
とつの容器要素(22)を備えることを特徴とする、鉗子。 - 【請求項2】 前記容器要素(22)は前記シェル半体(10a、10b)の少なくとも
一方(10b)に結合されることを特徴とする、請求項1記載の鉗子。 - 【請求項3】 前記容器要素(22)が結合されないシェル半体(10a)は、実質
的に前記前縁部(12)のレベルまで隆起された中央部分(26)と、環状で凹状とされ
た周縁部(28)とを有する基部壁(14)を備えることを特徴とする、請求項1または
2のいずれか一項に記載の鉗子。 - 【請求項4】 前記シェル半体(10a、10b)の少なくとも一方(10b)はその基
部壁(14)にて、該シェル半体(10b)に結合された容器要素(22)のキャビティ(20)
と連通する孔(18)を有することを特徴とする、請求項1から3のいずれか一項に
記載の鉗子。 - 【請求項5】 ビーカー形状の容器要素(22)の開放端部は、該容器要素(22)
の内部キャビティ(20)が前記シェル半体(10b)の内側のスペースの連続部を構成
する如き様式で前記孔(18)に固定されることを特徴とする、請求項4記載の鉗子
。 - 【請求項6】 前記開放端部は環状接着剤層(30)により前記シェル半体(10b
)に固定されることを特徴とする、請求項5記載の鉗子。 - 【請求項7】 前記開放端部は前記シェル半体(10b)の前記孔(18)の相補形
状縁部に係合するフック縁部を有することを特徴とする、請求項5記載の鉗子。 - 【請求項8】 前記シェル半体(10b)の前記孔(18)の前記縁部に対する前記
容器要素(22)の前記開放端部の前記縁部の前記係合はスプリング・リング(32)な
どの機械的要素により固定されることを特徴とする、請求項7記載の鉗子。 - 【請求項9】 前記容器要素(22)はビーカー形状であると共にその基部また
は側壁に、もしくはその基部および側壁に少なくとも一個の開口(24)を有するこ
とを特徴とする、請求項1から8のいずれか一項に記載の鉗子。 - 【請求項10】 前記容器要素(22)は、その基部および側壁に複数の開口(2
4)を有することを特徴とする、請求項9記載の鉗子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT99A000004 | 1999-03-08 | ||
IT1999CE000004A ITCE990004A1 (it) | 1999-10-25 | 1999-10-25 | Valve per pinza da biopsia in endoscopia digestiva |
PCT/IB2000/001532 WO2001030242A1 (en) | 1999-10-25 | 2000-10-24 | Forceps for medical use |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2003512121A true JP2003512121A (ja) | 2003-04-02 |
JP2003512121A5 JP2003512121A5 (ja) | 2007-12-13 |
JP4598340B2 JP4598340B2 (ja) | 2010-12-15 |
Family
ID=11347348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001532665A Expired - Lifetime JP4598340B2 (ja) | 1999-10-25 | 2000-10-24 | 医療用の鉗子 |
Country Status (8)
Country | Link |
---|---|
US (2) | US7118586B1 (ja) |
EP (1) | EP1225835B1 (ja) |
JP (1) | JP4598340B2 (ja) |
AU (1) | AU774983B2 (ja) |
CA (1) | CA2387467C (ja) |
DE (1) | DE60008906T2 (ja) |
IT (1) | ITCE990004A1 (ja) |
WO (1) | WO2001030242A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016507332A (ja) * | 2013-02-23 | 2016-03-10 | アスパイア・バリアトリックス・インコーポレーテッド | 胃から物質を排出するための装置および方法 |
KR20230103407A (ko) * | 2021-12-31 | 2023-07-07 | (의) 삼성의료재단 | 다기능 의료용 포셉 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITCE990004A1 (it) | 1999-10-25 | 2000-01-25 | Mario Immacolato Paternuosto | Valve per pinza da biopsia in endoscopia digestiva |
US6689131B2 (en) | 2001-03-08 | 2004-02-10 | Tissuelink Medical, Inc. | Electrosurgical device having a tissue reduction sensor |
US8048070B2 (en) | 2000-03-06 | 2011-11-01 | Salient Surgical Technologies, Inc. | Fluid-assisted medical devices, systems and methods |
JP2004500207A (ja) | 2000-03-06 | 2004-01-08 | ティシューリンク・メディカル・インコーポレーテッド | 流体配給システム及び電気外科用器具コントローラ |
US6558385B1 (en) | 2000-09-22 | 2003-05-06 | Tissuelink Medical, Inc. | Fluid-assisted medical device |
US7811282B2 (en) | 2000-03-06 | 2010-10-12 | Salient Surgical Technologies, Inc. | Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof |
US8475455B2 (en) | 2002-10-29 | 2013-07-02 | Medtronic Advanced Energy Llc | Fluid-assisted electrosurgical scissors and methods |
US7588545B2 (en) | 2003-09-10 | 2009-09-15 | Boston Scientific Scimed, Inc. | Forceps and collection assembly with accompanying mechanisms and related methods of use |
US7942896B2 (en) * | 2003-11-25 | 2011-05-17 | Scimed Life Systems, Inc. | Forceps and collection assembly and related methods of use and manufacture |
US7727232B1 (en) | 2004-02-04 | 2010-06-01 | Salient Surgical Technologies, Inc. | Fluid-assisted medical devices and methods |
WO2008101497A1 (en) | 2007-02-19 | 2008-08-28 | Multi Biopsy Sampling Co. Aps | Biopsy forceps for taking one or more samples |
US20110237975A1 (en) * | 2010-03-24 | 2011-09-29 | United States Endoscopy Group, Inc. | Multiple biopsy device |
US9999407B2 (en) | 2012-01-21 | 2018-06-19 | Choon Kee Lee | Tissue sampling device |
ITCE20130002A1 (it) * | 2013-02-25 | 2014-08-26 | Mario Immacolato Paternuosto | Pinza modulare per biopsia endoscopica |
CN106725640A (zh) * | 2017-01-24 | 2017-05-31 | 南京法迈特科技发展有限公司 | 经内镜可储存式表面黏膜活检钳 |
CN113499122B (zh) * | 2021-05-25 | 2023-03-28 | 杜彦挺 | 一种用于神经外科的脑瘤摘除装置 |
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- 2000-10-24 JP JP2001532665A patent/JP4598340B2/ja not_active Expired - Lifetime
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JP2016507332A (ja) * | 2013-02-23 | 2016-03-10 | アスパイア・バリアトリックス・インコーポレーテッド | 胃から物質を排出するための装置および方法 |
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KR102629805B1 (ko) * | 2021-12-31 | 2024-01-29 | (의) 삼성의료재단 | 다기능 의료용 포셉 |
Also Published As
Publication number | Publication date |
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ITCE990004A1 (it) | 2000-01-25 |
DE60008906D1 (de) | 2004-04-15 |
JP4598340B2 (ja) | 2010-12-15 |
EP1225835B1 (en) | 2004-03-10 |
WO2001030242A1 (en) | 2001-05-03 |
US20060129185A1 (en) | 2006-06-15 |
AU774983B2 (en) | 2004-07-15 |
CA2387467C (en) | 2009-10-06 |
EP1225835A1 (en) | 2002-07-31 |
US7909850B2 (en) | 2011-03-22 |
US7118586B1 (en) | 2006-10-10 |
CA2387467A1 (en) | 2001-05-03 |
AU7812100A (en) | 2001-05-08 |
DE60008906T2 (de) | 2005-02-03 |
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