Dozeeによる心拍、呼吸、動きの非接触モニタリングの検証
Dozeeシステムによる心拍数、呼吸数、動き、起床の非接触モニタリングの臨床検証
The Dozee VS system (K221555) is a contactless device that tracks heart rate and breathing rate using a sensor sheet placed under the mattress. It captures body vibrations and converts them into vital signs, which can be monitored remotely in real time. The system also supports add-ons like a blood pressure cuff, pulse oximeter, and thermometer, offering a complete monitoring solution. This study aims to validate the updated AI-powered heart rate and improved breathing rate algorithms across different sensor sheet types to confirm clinical accuracy
調査の概要
詳細な説明
The Dozee VS system (K221555), developed by Turtle Shell Technologies, is a non-invasive, contactless device that continuously monitors heart rate (HR) and breathing rate (RR). A thin sensor sheet placed under the mattress detects tiny body vibrations from the heart and lungs, which are processed by smart algorithms and displayed on a secure online dashboard for real-time monitoring.
Unlike traditional methods such as ECGs, nasal tubes, or thermistors-which are invasive, require skilled placement, and are uncomfortable for long-term use-Dozee is simple, comfortable, and doesn't rely on patient compliance like wearables do. The system can also connect to add-on devices, including a blood pressure cuff, pulse oximeter, and thermometer, giving a full picture of a patient's vital signs and helping spot early signs of deterioration.
Hardware upgrades now include dual-sensor sheets that improve accuracy across different mattresses and patient types. The new HR algorithm uses AI/ML for better accuracy, while the improved RR algorithm performs more reliably even with movement or weak signals.
Study Goal: This study aims to validate the updated algorithms (Gen 2) for HR and RR across the three sensor sheet types (DS, S1, and S1-I) to ensure they meet clinical accuracy standards and to benchmark against the previous versions of the algorithms
研究の種類
入学 (実際)
連絡先と場所
研究場所
-
-
Texas
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Midland、Texas、アメリカ、79707
- ERA Health Research
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-
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
The study will be conducted on atleast 60 subjects in the age group above 18 years regardless of gender. The patients/volunteers be informed about the study and a written informed consent form will be obtained from them. Dozee will be placed under the mattress of the patient's bed and the data will be collected through the device whenever a patient is on the bed.
説明
Inclusion Criteria:
Subjects will be included if they meet the following inclusion criteria:
- Adults Male or female. (Above 18 years of age)
- Provide written informed consent.
- Weight between 40kg/88.18lbs and 120kg/264.55lbs
- Agree to not eat during the testing period
- Able to move and exit the bed independently and safely.
Exclusion Criteria:
Subjects will be excluded if they have any of the following inclusion criteria:
- Are connected to a device that may interfere with the device monitoring in this study.
- Are receiving any bedside care which may be incompatible with the study procedures.
- A likely need to receive or undergo a procedure during the testing period.
- Cannot accept a nasal cannula, or have an ECG leads placed on the chest.
- Have a significant medical condition in the judgement of the investigator, which may compromise the study testing procedures.
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 観測モデル：COHORT
- 時間の展望：PROSPECTIVE
コホートと介入
グループ/コホート |
介入・治療 |
|---|---|
|
Single Arm Study (Cohort)
Group/Cohort Description: All participants will be on standard telemetry monitoring for Heart Rate and Respiration Rate using the gold standard (Electrocardiography and Capnography respectively). In addition, a contactless monitoring devices will be placed on the patient bed to measure data. This device is Dozee VS (Investigational Device). Data from all devices will be measured simultaneously. |
All participants will be on standard telemetry monitoring for Heart Rate, Respiration Rate and movements using the gold standard (Electrocardiography and Capnography respectively). |
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Mean Absolute Error (MAE) of Dozee's Heart Rate a from the Gold Standard ECG
時間枠：6 months
|
Heart Rate collected at 1 Min intervals from gold standard and Dozee. Mean Absolute Error (MAE) of the Dozee Heart Rate will be calculated. |
6 months
|
|
Accuracy (%) of Dozee in identfying subject movement
時間枠：6 months
|
Time stamps of subject movement during the study will be recorded manullay. Time stamps of Dozee's movement will be recorded. Accuracy of the Dozee device in detecting movement compared to manual observation will be computed in terms of percentage. |
6 months
|
|
Accuracy(%) of of Dozee's bed-exits
時間枠：6 months
|
Time stamps of bed-exits will be recorded manually during the study will be recorded. Time stamps of Dozee's bed-exit will be computed. Accuracy of the Dozee device in detecting bed-exit compared to manual observation as gold standard will be computed in terms of percentage. |
6 months
|
|
Mean Absolute Error (MAE) of Dozee's Respiratory Rate from the Gold Standard Capnography
時間枠：6 Months
|
Respiratory Rate collected at 1 Min intervals from gold standard and Dozee. Mean Absolute Error (MAE) of the Dozee Respiratory Rate will be calculated. |
6 Months
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Range of values (minimum, maximum, and spread) of Heart Rate in beats per min measured by the gold standard and the Dozee
時間枠：6 months
|
The outcome will be assessed by comparing the range of values (minimum, maximum, and spread) of Heart Rate ( beats per minute) measured by the gold standard and the Dozee over the study period. |
6 months
|
|
Range of values (minimum, maximum, and spread) of Respiratory Rate in breaths per min measured by the gold standard and the Dozee
時間枠：6 Months
|
The outcome will be assessed by comparing the range of values (minimum, maximum, and spread) of Respiratory Rate ( breaths per minute) measured by the gold standard and the Dozee over the study period. |
6 Months
|
|
Bland- Altman Level of Agreement between Dozee Heart Rate and Respiratory Rate with the Gold Standard
時間枠：6 months
|
Level of Agreement between Dozee's HR and RR with reference device computed by Bland Altman. |
6 months
|
|
Detection rate (%) of the Dozee's Heart Rate and Respiratory Rate
時間枠：6 months
|
The time-stamps of Dozee's Heart Rate and Respiratory Rate and the gold standard Heart Rate and Respiratory Rate will be recorded. DR is the proportion of gold standard points for which the DS successfully provides a corresponding measured value, relative to the total number of gold standard points. |
6 months
|
|
Level of Agreement between Dozee Heart Rate and Respiratory Rate with the Gold Standard
時間枠：6 months
|
Level of Agreement between Dozee Heart Rate and Respiratory Rate with the Gold Standard by using Deming Regression with Pearson Co-efficient |
6 months
|
協力者と研究者
捜査官
- 主任研究者：Sapna Chilka, MD、ERA Health Research
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
その他の研究ID番号
- DZ_VS_VAL
個々の参加者データ (IPD) の計画
個々の参加者データ (IPD) を共有する予定はありますか?
IPD プランの説明
Individual Participant Data (IPD) are protected under HIPPA Act of 1996.
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米国FDA規制医薬品の研究
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米国で製造され、米国から輸出された製品。
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