JP2022001263A - 酸素測定デバイス及び酸素測定システム - Google Patents
酸素測定デバイス及び酸素測定システム Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14507—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue specially adapted for measuring characteristics of body fluids other than blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/207—Sensing devices adapted to collect urine
- A61B5/208—Sensing devices adapted to collect urine adapted to determine urine quantity, e.g. flow, volume
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/202—Assessing bladder functions, e.g. incontinence assessment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6853—Catheters with a balloon
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
- A61B5/743—Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
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- 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
- A61M25/0097—Catheters; Hollow probes characterised by the hub
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
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Abstract
Description
14…蓄尿バッグ 18…尿道カテーテル
22、22a…シャフト 26…ハブ
28…導尿口 42…導尿ルーメン
140…膀胱 600…ハブ本体
602…連結部 608…第1接続部
610…連結部本体 612…第2接続部
618…排尿ポート 628…突出部
636、636a…酸素センサ本体
Claims (6)
- 膀胱内から導尿口を介して流入した尿が流通可能な導尿ルーメンが形成されたシャフトと、前記シャフトの基端に設けられて前記導尿ルーメンに連通する排尿ポートが形成されたハブと、を有する尿道カテーテルと、
前記排尿ポート内を流通する尿に接触可能に前記ハブに設けられて尿中の酸素を検出するための酸素センサ本体と、を備え、
前記ハブは、
前記シャフトの基端に設けられた中空状のハブ本体と、
前記ハブ本体の基端に設けられた中空状の連結部と、を有し、
前記連結部は、
前記ハブ本体の基端開口部に設けられた第1接続部と、
前記第1接続部の基端に設けられた連結部本体と、
前記連結部本体の基端部に設けられて蓄尿バッグの導尿チューブの先端開口部に嵌入された第2接続部と、を含み、
前記連結部本体の基端部は、前記第2接続部の内腔に突出した突出部を含み、
前記酸素センサ本体は、前記突出部よりも先端側に位置し、
前記突出部の基端側開口部の流路断面積は、前記第2接続部の内腔の流路断面積よりも小さい、酸素測定デバイス。 - 請求項1記載の酸素測定デバイスであって、
前記ハブには、
前記排尿ポートを流通する尿の温度を検出するための温度センサ本体と、
前記排尿ポートを流通する尿の流量を検出するための流速センサ本体と、が設けられている、酸素測定デバイス。 - 請求項2記載の酸素測定デバイスであって、
前記酸素センサ本体、前記温度センサ本体及び前記流速センサ本体は、前記突出部よりも先端側に位置するとともに先端側からこの順番で互いに離間して一列に配置されている、酸素測定デバイス。 - 請求項1〜3のいずれか1項に記載の酸素測定デバイスであって、
前記連結部は、
第1部位と、
前記第1部位よりも基端側に位置するとともに前記第1部位の流路断面積よりも小さい流路断面積を有する第2部位と、を備え、
前記第2部位には、基端側に向かって内方に傾斜した傾斜部が設けられ、
前記酸素センサ本体は、前記傾斜部に配置されている、酸素測定デバイス。 - 請求項1〜3のいずれか1項に記載の酸素測定デバイスであって、
前記酸素センサ本体は、
前記排尿ポート内の尿に接触可能に設けられた蛍光体と、
前記蛍光体が設けられ、前記蛍光体の励起光及び前記蛍光体からの蛍光を透過可能に構成された基部と、を有し、
前記基部は、前記連結部本体の内面よりも内方に膨出するように構成された基板を有し、
前記基板のうち膨出した部分の外面には、前記蛍光体が塗布されている、酸素測定デバイス。 - シャフト及びハブを有する尿道カテーテルと前記ハブに設けられた酸素センサ本体とを備えた酸素測定デバイスと、
前記ハブに着脱可能なケーブルコネクタが設けられた伝送ケーブルと、
前記伝送ケーブルに連結され、前記酸素センサ本体からの前記伝送ケーブルを介して出力された前記酸素センサ本体の出力信号に基づいて尿中の酸素分圧を算出する制御装置と、を備え、
前記酸素測定デバイスは、請求項1〜5のいずれか1項に記載の酸素測定デバイスである、酸素測定システム。
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JP2022145733A (ja) | 2022-10-04 |
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JPWO2018180229A1 (ja) | 2020-02-06 |
JP6940591B2 (ja) | 2021-09-29 |
US20220346686A1 (en) | 2022-11-03 |
JP7114788B2 (ja) | 2022-08-08 |
CN110461233B (zh) | 2022-08-23 |
JP7265076B2 (ja) | 2023-04-25 |
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JP7536137B2 (ja) | 2024-08-19 |
US12070314B2 (en) | 2024-08-27 |
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