JP6723807B2 - バルーンコーティング方法、バルーン回転方法およびバルーンコーティング装置 - Google Patents
バルーンコーティング方法、バルーン回転方法およびバルーンコーティング装置 Download PDFInfo
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- JP6723807B2 JP6723807B2 JP2016086014A JP2016086014A JP6723807B2 JP 6723807 B2 JP6723807 B2 JP 6723807B2 JP 2016086014 A JP2016086014 A JP 2016086014A JP 2016086014 A JP2016086014 A JP 2016086014A JP 6723807 B2 JP6723807 B2 JP 6723807B2
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
- B05C5/0216—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles by relative movement of article and outlet according to a predetermined path
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
- A61M2025/1031—Surface processing of balloon members, e.g. coating or deposition; Mounting additional parts onto the balloon member's surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Manufacturing & Machinery (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Description
<第1実施形態>
<第2実施形態>
20 カテーテルシャフト(シャフト)、
23 拡張ルーメン、
30 バルーン、
32 コート層、
34 先端接合部(接合部)、
40 ハブ、
41 ハブ基端開口部、
90 内管、
91 ガイドワイヤルーメン、
92 基端開口部、
93 先端開口部、
95 内管シャフト、
96 先端チップ、
100、210 バルーンコーティング装置、
110、220 回転駆動部(第1の回転駆動部)、
111 駆動軸、
116 オス・ルアーテーパ、
130 塗布部、
134 ディスペンシングチューブ、
136 吐出端、
150 引張部(第2の回転駆動部)、
170 三方活栓(連結用部材)、
171 メス・ルアーテーパ、
180、230 支持部、
181,231 支持台、
182、236 溝部、
182A 第1溝部、
182B 第2溝部、
182C 第3溝部、
183、250 蓋部、
186 支持面、
190 保持部、
191 コレットチャック、
193 挟持部、
194 挟持面、
207 芯材、
235 支持面、
240 軸受部、
252 押圧面、
253 ロック機構、
260 支持軸、
X バルーンの軸心
Claims (7)
- バルーンカテーテルのバルーンの外表面に水不溶性薬剤を含むコート層を形成するバルーンコーティング方法であって、
前記バルーンの内側を貫通する内管と前記バルーンの結合部を、前記内管の軸心に沿って延びる溝状の曲面を有する少なくとも2つの挟持部により挟むように固定する工程と、
前記挟持部により前記バルーンを当該バルーンの軸心に沿った方向へ引っ張ることで前記バルーンの湾曲を矯正する引張工程と、
前記バルーンを当該バルーンの軸心を中心として回転させつつ、薬剤を含むコーティング液を供給するためのディスペンシングチューブを前記バルーンの軸心に沿った方向へ当該バルーンに対して相対的に移動させて、前記バルーンの外表面に前記コーティング液を塗布する工程と、を有するバルーンコーティング方法。 - 前記塗布する工程において、前記挟持部により前記バルーンを当該バルーンの軸心に沿った方向へ引っ張りつつ前記バルーンを回転させて前記バルーンの外表面にコーティング液を塗布する請求項1に記載のバルーンコーティング方法。
- 前記少なくとも2つの挟持部は、コレットチャックに設けられる請求項1または2に記載のバルーンコーティング方法。
- バルーンカテーテルを回転させるためのバルーン回転方法であって、
前記バルーンの内側を貫通する内管と前記バルーンの結合部を、前記内管の軸心に沿って延びる溝状の曲面を有する少なくとも2つの挟持部により挟むように固定する工程と、
前記バルーンを当該バルーンの軸心を中心として回転させる工程と、を有し、
前記回転させる工程において、前記挟持部により前記バルーンを当該バルーンの軸心に沿った方向へ引っ張りつつ前記バルーンを回転させるバルーン回転方法。 - 前記少なくとも2つの挟持部は、コレットチャックに設けられる請求項4に記載のバルーン回転方法。
- バルーンカテーテルのバルーンの外表面に水不溶性薬剤を含むコート層を形成するバルーンコーティング装置であって、
前記バルーンの内側を貫通する内管と前記バルーンの結合部を挟んで固定可能であり、前記内管の軸心に沿って延びる溝状の曲面を有する少なくとも2つの挟持部と、
前記バルーンカテーテルを回転させる回転駆動部と、
薬剤を含むコーティング液を供給するためのディスペンシングチューブを前記バルーンの軸心に沿った方向へ当該バルーンに対して相対的に移動させて、前記バルーンの外表面に前記コーティング液を塗布する塗布部と、
前記バルーンを回転可能な状態に維持しつつ当該バルーンの軸心に沿った方向へ、前記挟持部を介して前記バルーンに引っ張り力を作用させる引張部と、を有するバルーンコーティング装置。 - 前記少なくとも2つの挟持部は、コレットチャックに設けられる請求項6に記載のバルーンコーティング装置。
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