JP5646343B2 - 手術器具アクセスデバイス - Google Patents
手術器具アクセスデバイス Download PDFInfo
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- JP5646343B2 JP5646343B2 JP2010543317A JP2010543317A JP5646343B2 JP 5646343 B2 JP5646343 B2 JP 5646343B2 JP 2010543317 A JP2010543317 A JP 2010543317A JP 2010543317 A JP2010543317 A JP 2010543317A JP 5646343 B2 JP5646343 B2 JP 5646343B2
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- Prior art keywords
- ring
- access port
- surgical access
- cap
- gel
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
- A61B2017/3449—Cannulas used as instrument channel for multiple instruments whereby the instrument channels merge into one single channel
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/345—Cannulas for introduction into a natural body opening
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/345—Cannulas for introduction into a natural body opening
- A61B2017/3452—Cannulas for introduction into a natural body opening for the rectum, e.g. for hemorrhoid surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
- A61B2017/3466—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals for simultaneous sealing of multiple instruments
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Surgical Instruments (AREA)
Description
幾つかの実施例では内リング6110及び外リング6120は、独立して、異なるフットプリント形状及び/又はフットプリント直径を有する。比較的大径の内リング6110は開創力を比較的大きくできるが、体腔への挿入及び体腔からの取り出しが比較的困難である。比較的大径の外リング6120は、開創時に巻いたり又は回転したりするのが比較的容易であるが、比較的大きなキャップに連結され、及び従って、空間に制限がある手順では使用できない。楕円形又は細長い内リング6110及び外リング6120は、長い直線状の切開部の開創に必要な力を、円形である場合と比較して小さくする。
創傷レトラクタの外リング7120の断面形状又は寸法を小さくすると、創傷レトラクタを通して挿入される器具の挿入角度範囲が大きくなる。更に詳細には、外リング7120の断面の高さ及び幅の一方又は両方を小さくしてもよい。挿入角度範囲の増大は、身体のオリフィスを拡げる上で、例えば直腸や膣を拡げる上で特に有用である。外リング7120の断面形状が小さいと、開創中に外リング7120の外構成要素7122を外リング7120の内構成要素を中心として巻き付けたり回転させるのが困難になる。従って、幾つかの実施例では、外構成要素7122を内構成要素を中心として転動するのを容易にする適当な工具が使用される。
内リング6110全体が所定位置にある状態で、外リング6120を、内構成要素が形成するその環状軸線を中心として回転し、巻く。上文中に論じたように、巻き付け手順において、使用者から遠位側の外構成要素6122の部分が環状軸線の内側を通って使用者に向かって移動し、この際、使用者の近位側の外構成要素6122の部分が環状軸線の外側を使用者から遠ざかる方向に移動する。外リング6120を回転するとスリーブ6130が外リング6120を中心として巻かれ、内リング6110と外リング6120との間の距離を減少し、これらのリング間のスリーブ6130に張力を加える。これによって、切開部又は身体オリフィスを開創する。
キャップリング10510のゲルパッド支持構造が熱可塑性エラストマー、例えばダイナフレックス(DYNAFLEX)(ダイナフレックス(DYNAFLEX)は登録商標である)又はクラトン(KRATON)(クラトン(KRATON)は登録商標である)で形成された実施例、及びゲルパッド10530が同様の熱可塑性エラストマー、例えばクラトン(KRATON)(クラトン(KRATON)は登録商標である)で形成された実施例は、ゲルパッド10530とキャップリング10510との間の接着が良好である。ゲルパッド10530の(KRATON)(クラトン(KRATON)は登録商標である)のポリスチレン成分は、ポリフェニレンオキシド(PPO)、ポリスチレン、及び他の同様のポリマーとの接着が良好である。
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Claims (20)
- 患者の体腔を吹込みガスで加圧する手術手順を一つのアクセス箇所で行うようになった、手術手順を行うために体腔へのアクセスを提供すると同時に体腔内に吹込み圧力を維持する、手術用アクセスポート(5000)において、
調節自在の創傷レトラクタ(7100)及びシールキャップ(11500)を含み、
前記創傷レトラクタ(7100)は、
患者の体壁の外面と近接して配置されるように形成された近位リング(7120)と、 チューブ状の壁と、近位リング(7120)に連結される近位部分と、遠位部分とを含み、患者の体壁の開口部を通して配置され、体壁の開口部を開創するように調節できる開創シース(7130)と、
前記開創シースの前記遠位部分に連結された、患者の体壁の内面と近接して配置されるように形成された遠位リング(7110)とを含み、
前記シールキャップ(11500)は、前記近位リング(7120)に連結可能であり、
内側に配置された可撓性材料(11530)を実質的に取り囲むキャップリング(11510)を含み、前記キャップリング(11510)は、該キャップリング(11510)に配置されたガス入口及び/又は出口ポートを含み、
前記キャップリング(11510)内に位置決めされた、前記可撓性材料によって実質的に取り囲まれており且つ前記可撓性材料(11530)に作動的に取り付けられた少なくとも1つのシールバルブ(11540)をさらに含み、
前記シールバルブ(11540)は、前記可撓性材料(11530)を通るアクセスチャンネルを形成し、
前記シールバルブ(11540)は、シールバルブ(11540)を通って延びる器具(11550a)とシールを形成し、前記シールバルブ(11540)を通って延びる器具がない場合にゼロシールを形成する、手術用アクセスポート(5000)。 - 請求項1に記載の手術用アクセスポート(5000)において、
前記可撓性材料(11530)はゲルでできている、手術用アクセスポート(5000)。 - 請求項1または2に記載の手術用アクセスポート(5000)において、
前記少なくとも一つのシールバルブ(11540)は、前記キャップリング(11510)に対して再位置決め可能である、手術用アクセスポート(5000)。 - 請求項1〜3のいずれか1項に記載の手術用アクセスポート(5000)において、
前記シールバルブ(11540)は、前記キャップリングに対して並進できる、手術用アクセスポート(5000)。 - 請求項1〜4のいずれか1項に記載の手術用アクセスポート(5000)において、
前記少なくとも一つのシールバルブは、前記キャップリング(10510)に対して枢動できる、手術用アクセスポート(5000)。 - 請求項1〜5のいずれか1項に記載の手術用アクセスポート(5000)において、
前記少なくとも一つのシールバルブ(11540)が、隔壁シール(11542)を含む、手術用アクセスポート(5000)。 - 請求項1〜6のいずれか1項に記載の手術用アクセスポート(5000)において、
前記少なくとも一つのシールバルブ(11540)が、ダックビルバルブ(11542)を含む、手術用アクセスポート(5000)。 - 請求項1〜7のいずれか1項に記載の手術用アクセスポート(5000)において、
前記少なくとも一つのシールバルブ(11540)は低プロファイルである、手術用アクセスポート(5000)。 - 請求項1〜8のいずれか1項に記載の手術用アクセスポート(5000)において、
前記少なくとも一つのシールバルブ(11540)は、第1のシールバルブ(11540)および第2のシールバルブ(11540)を含む、手術用アクセスポート(5000)。 - 請求項9に記載の手術用アクセスポート(5000)において、
前記第1のシールバルブ(11540)は、第1の大きさの器具(11550a)を受け入れ、前記第2のシールバルブ(11540)は、第2の大きさの器具(11550b)を受け入れる、手術用アクセスポート(5000)。 - 請求項1〜10のいずれか1項に記載の手術用アクセスポート(5000)において、 前記創傷レトラクタ(7100)の前記近位リング(7120)は、その環状軸線(6126)を中心に回転自在であり、それによって、身体壁の開口を調節自在に開創する際に前記環状軸線(6126)の周りに転動する、手術用アクセスポート(5000)。
- 請求項1〜11のいずれか1項に記載の手術用アクセスポート(5000)において、更に、 前記遠位リング(7110)に連結されたテザー(8140)を含む、手術用アクセスポート(5000)。
- 請求項1〜12のいずれか1項に記載の手術用アクセスポート(5000)において、 前記遠位リング(7110)の少なくとも一部は、前記遠位リング(7110)の折り畳みを容易にする非円形断面を有する、手術用アクセスポート(5000)。
- 請求項1〜13のいずれか1項に記載の手術用アクセスポート(5000)において、 前記シールキャップ(11500)は、前記近位リング(7120)に取り外し自在に連結可能である、手術用アクセスポート(5000)。
- 請求項12に記載の手術用アクセスポート(5000)において、
前記テザーは、ポリアミドでできており、前記シースは、ポリマーフィルムでできている、手術用アクセスポート(5000)。 - 請求項12に記載の手術用アクセスポート(5000)において、
前記テザーは、少なくとも1つの流体開口部を有するチューブを備えている、手術用アクセスポート(5000)。 - 請求項12に記載の手術用アクセスポート(5000)において、
前記テザーは、チューブと、該チューブ内に配置されたコードと、を備えている、手術用アクセスポート(5000)。 - 請求項1〜16のいずれか1項に記載の手術用アクセスポート(5000)において、 前記キャップリングは、前記レトラクタ(7100)の近位リングを受け入れるように寸法形状決めされ、前記近位リングが可逆的に通過できるように半径方向に変形可能な環状スロット(12520)を備えた遠位側部を有するチューブ状リングを備えている、手術用アクセスポート(5000)。
- 請求項1〜17のいずれか1項に記載の手術用アクセスポート(5000)において、 前記キャップリング(11510)から延びており、少なくとも1つのシールバルブおよび前記キャップリング(11510)の一部を覆って配置されている固定ポート(11560)をさらに含む、手術用アクセスポート(5000)。
- 請求項19に記載の手術用アクセスポート(5000)において、前記固定ポート(11560)は、該固定ポート(11560)に挿入された器具の位置を維持するようになったロック機構(11562)をさらに含む、手術用アクセスポート(5000)。
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