JP6624791B2 - 医療器具、医療器具組立体、バルーンデバイス - Google Patents
医療器具、医療器具組立体、バルーンデバイス Download PDFInfo
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- JP6624791B2 JP6624791B2 JP2015035833A JP2015035833A JP6624791B2 JP 6624791 B2 JP6624791 B2 JP 6624791B2 JP 2015035833 A JP2015035833 A JP 2015035833A JP 2015035833 A JP2015035833 A JP 2015035833A JP 6624791 B2 JP6624791 B2 JP 6624791B2
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Classifications
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- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00274—Prostate operation, e.g. prostatectomy, turp, bhp treatment
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- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0409—Instruments for applying suture anchors
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- A—HUMAN NECESSITIES
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0417—T-fasteners
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0464—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors for soft tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
- A61B2017/22042—Details of the tip of the guide wire
- A61B2017/22044—Details of the tip of the guide wire with a pointed tip
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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
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
- A61B2017/22047—Means for immobilising the guide wire in the patient
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/92—Stents in the form of a rolled-up sheet expanding after insertion into the vessel, e.g. with a spiral shape in cross-section
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- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
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- General Health & Medical Sciences (AREA)
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- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Child & Adolescent Psychology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Pathology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Description
図1〜図4は、本実施形態に係る医療器具および医療器具組立体の各部の構成を示す図であり、図5は、生体の尿道を模式的に示す図、図6〜図8は、本実施形態に係る医療器具および医療器具組立体の使用例および作用を説明するための図である。
次に、上述した第1実施形態の変形例を説明する。変形例の説明においては、既に説明した部材と同一の部材、また同様に構成し得る点についてはその説明を適宜省略する。
次に、本発明の第2実施形態に係る医療器具を説明する。第2実施形態の説明においては、既に説明した部材と同一の部材、また同様に構成し得る点や同様の処置手順(手技手順)等についてはその説明を適宜省略する。
次に、上述した第2実施形態の変形例を説明する。変形例の説明においては、既に説明した部材と同一の部材、また同様に構成し得る点についてはその説明を適宜省略する。
13 尿道海綿体、
15 球部尿道、
19 外尿道口、
30 狭窄部、
31 瘢痕組織、
40 処置部、
100 治療装置、
110、120 バルーンデバイス、
200 医療器具、
210 バルーン、
211 拡張有効部、
213 熱融着部、
218 拡張空間部、
220 本体部、
221 挿通孔、
225 先端開口部、
226 基端開口部(開口部)、
227 本体部の内腔、
230 ガイド部材、
260 取り付け部、
261 孔部、
262 導出部(貫通孔)、
270 ストッパー、
300 医療部材、
400 穿刺具、
410 本体部、
420 穿刺針、
430 ハブ、
435 スリット(ロック機構)、
700、810、820、830、840、850、860、870、 医療器具、
710 第1バルーン、
711 拡張有効部、
718 拡張空間部、
720 第2バルーン、
721 拡張有効部、
728 拡張空間部、
811、812、821 ストッパー、
811a、812a 挿通孔、
851 膜材、
853 変形容易部、
900 穿刺ガイド器具、
910 本体部、
911 ガイド孔、
920 先端ガイド部、
930 ハブ。
Claims (14)
- 生体管腔内における処置対象部位に留置される医療部材を送達するための医療器具であって、
軸方向に延在する可撓性を備えた本体部と、
前記医療部材が装着される拡張有効部を備え、前記本体部の外表面との間に加圧媒体が流入される拡張空間部が形成された拡張変形および収縮変形可能なバルーンと、
前記生体管腔を介して前記処置対象部位と生体の外部とに亘って配設される長尺状のガイド部材と、
前記本体部の軸方向の両端部の間の位置において前記ガイド部材の少なくとも一部を着脱可能に取り付ける取り付け部と、を有し、
前記本体部は、前記取り付け部に前記ガイド部材が取り付けられた状態で、前記ガイド部材が配設された経路に沿って前記生体管腔内を移動可能に構成され、
前記医療部材は、生体組織に上皮機能を提供するシート状の部材により構成されており、前記拡張有効部の周方向に巻き付けて外装された状態で前記生体管腔内に導入され、かつ、前記拡張有効部の周方向に巻き付けて外装された状態で前記ガイド部材を挿通可能な隙間が設けられる、医療器具。 - 前記本体部は、軸方向に延在する内腔と、前記内腔へ前記ガイド部材を挿入するための開口部と、前記内腔から前記本体部の外部へ前記ガイド部材を導出するとともに前記取り付け部を構成する孔部と、を有し、
前記孔部から導出した前記ガイド部材を前記バルーンの外表面側へ導出するための導出部をさらに有する請求項1に記載の医療器具。 - 前記導出部は、前記バルーンの一部を前記本体部の孔部周辺に熱融着して形成した熱融着部に設けた貫通孔により構成されている、請求項2に記載の医療器具。
- 前記取り付け部は、前記本体部の軸方向の中心位置付近に設けられており、
前記バルーンの拡張有効部は、前記本体部の軸方向の中心位置に対称な拡張形状を有する、請求項1〜3のいずれか1項に記載の医療器具。 - 前記本体部の軸方向の異なる位置に複数の前記バルーンが設けられている、請求項1または請求項2に記載の医療器具。
- 複数の前記バルーンのそれぞれの外表面を覆うように配置される可撓性を備える膜材をさらに有する請求項5に記載の医療器具。
- 前記膜材は、当該膜材における他の部位よりも容易に湾曲可能に構成された変形容易部を有する請求項6に記載の医療器具。
- 前記本体部の内部および/または前記本体部の外部に設けられ、前記ガイド部材の可動を制限するストッパーをさらに有する請求項1〜7のいずれか1項に記載の医療器具。
- 請求項1〜8のいずれか1項に記載の医療器具と、
前記ガイド部材が接続分離可能に取り付けられた穿刺針、前記ガイド部材が挿通される内腔を備える本体部、および前記ガイド部材の固定および固定解除の切り替えが可能なロック機構が設けられたハブを備える穿刺具と、を有する医療器具組立体。 - 軸方向に延在する可撓性を備えた本体部と、
生体組織に上皮機能を提供するシート状の部材が周方向に巻き付けて外装される拡張有効部を備え、前記本体部の外表面との間に加圧媒体が流入される拡張空間部が形成された拡張変形および収縮変形可能なバルーンと、を有し、前記本体部は、軸方向に延在する内腔と、前記内腔へ長尺状のガイド部材を挿入するための開口部と、前記内腔から前記本体部の外部へ前記ガイド部材を導出する孔部と、を備え、
前記バルーンは、前記孔部から導出した前記ガイド部材を当該バルーンの外表面側へ導出するための導出部を備え、
前記シート状の部材は、前記拡張有効部の周方向に巻き付けて外装された状態で前記ガイド部材を挿通可能な隙間が設けられる、バルーンデバイス。 - 前記導出部は、前記バルーンの一部を前記本体部の孔部周辺に熱融着して形成した熱融着部に設けた貫通孔により構成されている、請求項10に記載のバルーンデバイス。
- 前記取り付け部は、前記本体部の軸方向の中心位置付近に設けられており、
前記バルーンの拡張有効部は、前記本体部の軸方向の中心位置に対称な拡張形状を有する、請求項10または請求項11に記載のバルーンデバイス。 - 軸方向に延在する可撓性を備えた本体部と、
生体組織に上皮機能を提供するシート状の部材が周方向に巻き付けて外装される拡張有効部をそれぞれ備えるとともに前記本体部の軸方向の異なる位置にそれぞれ配置され、前記本体部の外表面との間に加圧媒体が流入される拡張空間部が形成された拡張変形および収縮変形可能な複数のバルーンと、
複数の前記バルーンのそれぞれの前記拡張有効部を覆うように配置される可撓性を備える膜材と、を有し、
前記本体部は、軸方向に延在する内腔と、前記内腔へ長尺状のガイド部材を挿入するための開口部と、前記内腔から前記本体部の外部へ前記ガイド部材を導出する孔部と、を備え、
前記膜材は、前記孔部から導出した前記ガイド部材を当該膜材の外表面側へ導出するための導出部を備え、
前記シート状の部材は、前記拡張有効部の周方向に巻き付けて外装された状態で前記ガイド部材を挿通可能な隙間が設けられる、バルーンデバイス。 - 前記膜材は、当該膜材における他の部位よりも容易に湾曲可能に構成された変形容易部を有する請求項13に記載のバルーンデバイス。
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