JP7285253B2 - 止血の促進方法および止血補助具 - Google Patents
止血の促進方法および止血補助具 Download PDFInfo
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Description
図1~図3は、本発明の第1実施形態に係る止血補助具10の説明に供する図である。
図4は、本発明の実施形態に係る止血の促進方法の説明に供する図である。
図5Aおよび図5Bは、温度差を生じさせる領域の変形例の説明に供する図である。
図6Aおよび図6Bは、加熱方法および冷却方法の変形例の説明に供する図である。
図7~図9は、本発明の第2実施形態に係る止血補助具300の説明に供する図である。
装着部320は、本実施形態では、図7に示すように、手袋によって構成している。なお、図7では、装着部320が5本の指が別々の部位に挿入可能、かつ、5本の指の指先まで覆う5本指タイプの手袋によって構成している形態を図示している。ただし、装着部320は、ミトンタイプの手袋であってもよいし、指先が露出する5本指タイプの手袋であってもよい。
加熱部330は、図7および図9に示すように、流体(図示省略)と反応して発熱する発熱物質331を収容する第1収容部332と、第1収容部332への流体の注入を開始させる第1注入開始機構333と、を有する。以下、加熱部330の各部について詳述する。
冷却部340は、図7および図9に示すように、流体(図示省略)と反応して吸熱する吸熱物質341を収容する第2収容部342と、第2収容部342への流体の注入を開始させる第2注入開始機構343と、を有する。以下、冷却部340の各部について詳述する。
熱伝達抑制部350は、図7および図9に示すように、加熱部330と冷却部340との間に配置された状態で、装着部320に取り付けられている。
被覆部360は、図9に示すように、装着状態で、加熱部330および冷却部340と体表との間に配置される。そのため被覆部360は、加熱部330による体表の加熱および冷却部340による体表の冷却を許容しつつ、加熱部330および冷却部340と手H2との間の過剰な熱伝達を抑制する。なお、本明細書において「過剰な熱伝達」とは、加熱部330による加熱により火傷が生じたり、冷却部340による冷却により凍傷が生じたりする程度の熱伝達を意味する。
次に、手H2のd-RAに形成された穿刺部位Pを止血する場合を例に、本実施形態に係る止血補助具300の使用方法について詳述する。
図10~図12は、第3実施形態に係る止血補助具400の説明に供する図である。
装着部420は、本実施形態では、図10に示すように、腕に巻き付けられる帯体421と、帯体421の端部同士を連結する連結部材422と、を有する。以下、装着部420の各部について詳述する。
加熱部430は、本実施形態では、前腕H1における橈骨動脈V1(図11B参照)の周辺の体表を加熱する。
冷却部440は、前腕H1における尺骨動脈V2(図11B参照)の周辺の体表を冷却する。
図13および図14は、第4実施形態に係る止血補助具500の説明に供する図である。
加熱部530は、本実施形態では、橈骨動脈V1および橈骨動脈V1の末梢血管V3(図8参照)を加熱する。
冷却部540は、尺骨動脈V2および尺骨動脈V2の末梢血管V4(図8参照)を冷却する。
20、320、420 装着部、
30 温度調整部、
31、330、430、530 加熱部、
321、531 開口部、
331 発熱物質、
332 第1収容部、
333 第1注入開始機構、
32、340、440、450 冷却部、
341 吸熱物質、
342 第2収容部、
343 第2注入開始機構、
350 熱伝達抑制部、
360 被覆部、
531 加熱シート、
541 冷却シート、
P 穿刺部位、
V0 上腕動脈(一の血管)、
V1 橈骨動脈(第1血管)、
V2 尺骨動脈(第2血管)、
V3 橈骨動脈の末梢血管(第1血管の末梢血管)、
V4 尺骨動脈の末梢血管(第2血管の末梢血管)。
Claims (8)
- 四肢に装着されるとともに、前記四肢における一の血管から分岐し、かつ、互いに並行する第1血管および第2血管のうち、前記第1血管に形成された穿刺部位の止血を補助する止血補助具であって、
前記第1血管および/または前記第1血管の末梢血管の温度が前記第2血管および/または前記第2血管の末梢血管の温度よりも高くなるように、前記第1血管および/または前記第1血管の末梢血管の周辺の体表の温度を、前記第2血管および/または前記第2血管の末梢血管の周辺の体表の温度よりも高くする温度調整部を有し、
前記温度調整部は、前記第1血管および/または前記第1血管の末梢血管の周辺の体表を加熱する加熱部と、前記第2血管および/または前記第2血管の末梢血管の周辺の体表を冷却する冷却部とを有する、止血補助具。 - 前記加熱部は、流体と反応して発熱する発熱物質を収容する第1収容部と、前記第1収容部への当該流体の注入を開始させる第1注入開始機構と、を有し、
前記冷却部は、流体と反応して吸熱する吸熱物質を収容する第2収容部と、前記第2収容部への当該流体の注入を開始させる第2注入開始機構と、を有する、請求項1に記載の止血補助具。 - 前記加熱部は、前記第1血管および/または前記第1血管の末梢血管の周辺の体表に貼り付けられるとともに、当該体表を加熱する加熱シートを有し、
前記冷却部は、前記第2血管および/または前記第2血管の末梢血管の周辺の体表に貼り付けられるとともに、当該体表を冷却する冷却シートを有する、請求項1に記載の止血補助具。 - 前記加熱部と前記冷却部との間には、前記加熱部と前記冷却部との間の熱伝達を抑制可能な熱伝達抑制部が設けられている、請求項1~3のいずれか一項に記載の止血補助具。
- 前記加熱部および前記冷却部の前記四肢に臨む面を覆う被覆部を有する、請求項1~4のいずれか一項に記載の止血補助具。
- 前記被覆部は、気体を封入可能な袋体と、注入器具による前記袋体への気体の注入を許容し、かつ、注入された前記気体が外部へ漏れるのを抑制可能な注入ポートと、を有する、請求項5に記載の止血補助具。
- 前記穿刺部位を露出可能な開口部を有する、請求項1~6のいずれか一項に記載の止血補助具。
- 前記加熱部は、前記第1血管において穿刺部位よりも中枢側の部分の周辺の体表に配置される、請求項1~7のいずれか一項に記載の止血補助具。
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| PCT/JP2019/024270 WO2019244926A1 (ja) | 2018-06-20 | 2019-06-19 | 止血の促進方法および止血補助具 |
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| JP2000515773A (ja) | 1995-07-10 | 2000-11-28 | ヴィーダケア インターナショナル インコーポレイテッド | 傷口閉鎖止血装置 |
| US20150327871A1 (en) | 2014-05-15 | 2015-11-19 | Abbott Cardiovascular Systems, Inc. | Methods, systems, and devices for targeting a radial access puncture site |
| WO2017039007A1 (ja) | 2015-09-03 | 2017-03-09 | テルモ株式会社 | 止血器具 |
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| AU6588398A (en) * | 1997-04-14 | 1998-11-11 | Advanced Closure Systems, Inc. | Feedback controlled disposable hemostasis device |
| JP2007021112A (ja) * | 2005-07-21 | 2007-02-01 | Terumo Corp | 止血器具 |
| US20120157749A1 (en) * | 2010-12-15 | 2012-06-21 | Industrial Technology Research Institute | Heat therapy |
| DE102011057009B4 (de) * | 2011-12-23 | 2019-02-21 | Adceris Gmbh & Co. Kg | Medizinische Vorrichtung zum endovaskulären Kühlen und/oder Erwärmen von Blut |
| US9241826B1 (en) * | 2012-02-08 | 2016-01-26 | Lih-Bin Shih | Topical wound healing device for dynamic elastic injury site |
| BR112016031037B1 (pt) * | 2014-06-30 | 2023-02-07 | Procept Biorobotics Corporation | Aparelho para ablação de tecido vascular |
| US20160213510A1 (en) * | 2015-01-28 | 2016-07-28 | Qore Performance, Inc. | Thermal assistance gloves |
| US11172932B2 (en) * | 2016-09-11 | 2021-11-16 | The Cleveland Clinic Foundation | Apparatus and method for assisting in hemostasis of a vessel |
| CN106859724A (zh) * | 2017-04-10 | 2017-06-20 | 秦雨晨 | 冰敷式自动锁紧止血带 |
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| JP2000515773A (ja) | 1995-07-10 | 2000-11-28 | ヴィーダケア インターナショナル インコーポレイテッド | 傷口閉鎖止血装置 |
| US20150327871A1 (en) | 2014-05-15 | 2015-11-19 | Abbott Cardiovascular Systems, Inc. | Methods, systems, and devices for targeting a radial access puncture site |
| WO2017039007A1 (ja) | 2015-09-03 | 2017-03-09 | テルモ株式会社 | 止血器具 |
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