WO2005079530A2 - Method and system for integrating a passive sensor array with a mattress for patient monitoring - Google Patents

Method and system for integrating a passive sensor array with a mattress for patient monitoring Download PDF

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Publication number
WO2005079530A2
WO2005079530A2 PCT/US2005/005460 US2005005460W WO2005079530A2 WO 2005079530 A2 WO2005079530 A2 WO 2005079530A2 US 2005005460 W US2005005460 W US 2005005460W WO 2005079530 A2 WO2005079530 A2 WO 2005079530A2
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
coverlet
attached
mattress
core
Prior art date
Application number
PCT/US2005/005460
Other languages
French (fr)
Other versions
WO2005079530A8 (en
WO2005079530A9 (en
WO2005079530A3 (en
Inventor
Jason M. Gentry
Matthew S. Glei
Scott A. Christensen
Original Assignee
Hoana Medical, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoana Medical, Inc. filed Critical Hoana Medical, Inc.
Priority to EP05723413A priority Critical patent/EP1745450A4/en
Priority to JP2006554274A priority patent/JP2007525266A/en
Priority to AU2005215039A priority patent/AU2005215039B2/en
Priority to CA002556894A priority patent/CA2556894A1/en
Publication of WO2005079530A2 publication Critical patent/WO2005079530A2/en
Publication of WO2005079530A9 publication Critical patent/WO2005079530A9/en
Publication of WO2005079530A3 publication Critical patent/WO2005079530A3/en
Publication of WO2005079530A8 publication Critical patent/WO2005079530A8/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
    • A61B5/1127—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique using markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • 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
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438—Sensor means for detecting
    • G08B21/0461—Sensor means for detecting integrated or attached to an item closely associated with the person but not worn by the person, e.g. chair, walking stick, bed sensor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0247—Pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/043—Arrangements of multiple sensors of the same type in a linear array
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02444—Details of sensor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1102—Ballistocardiography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
    • 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
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6892—Mats

Abstract

A system is provided for integrating a passive sensor or sensor array (21) into a patient's mattress (32) to support continuous passive monitoring of a patients' physiological conditions in a hospital setting. The sensor or sensor array (21) may be incorporated into the mattress by fixing it to a coverlet that surrounds the mattress (32), or by embedding it within the mattress core. Alternatively, the sensor or sensor array (21) may be fixed to an underlayer positioned between the mattress core and the coverlet.

Claims

WE CLAIM:
1. A system for integrating a passive sensor into a bed to support continuous passive monitoring of a patient, comprising: a passive sensor for monitoring a patient; a mattress core; and a coverlet configured to surround the mattress core; wherein the sensor is attached to the coverlet
2. The system of claim 1, wherein the coverlet includes two layers of material sealed together to hold the sensor therebetween.
3. The system of claim 1 , wherein the sensor is attached to a surface of the coverlet using an adhesive layer.
4. The system of claim 1, wherein the sensor is attached to a surface of the coverlet using a double-sided adhesive film.
5. The system of claim 1 , wherein the sensor is attached to a surface of the coverlet using a bonding method selected from the group consisting of radio frequency welding, ultrasonic welding, and heat sealing.
6. The system of claim 1, wherein the sensor is attached to a surface of the coverlet using an attachment method selected from the group consisting of sewing, hook and loop fasteners, and high friction.
7. The system of claim 1, wherein the sensor is attached to the coverlet between a protective layer and a surface of the coverlet, the protective layer being attached to the coverlet.
8. The system of claim 7, wherein the protective layer forms an envelope that encloses the sensor and allows the sensor to be selectively inserted and removed.
9. The system of claim 1 , wherein the sensor is connected to at least two straps, the straps being configured to extend entirely around the mattress core to hold the sensor in position, wherein some of the at least two straps are formed as segments joined together with, a connector selected from the group of buckles and hook and loop fasteners. .
10. The system of claim 9, wherein the coverlet has a lengthwise dimension and a lateral dimension, and at least one strap is a continuous band that extends laterally entirely around the coverlet.
18
11. The system of claim 9, wherein the coverlet has a plurality of comers, and at least two straps extend from the sensor and engage adjacent comers of the coverlet.
12. The system of claim 1, wherein the coverlet defines an opening for inserting the core, the coverlet including a zipper configured to seal the opening, whereby the coverlet surrounds the core when the opening is sealed.
13. The system of claim 12, wherein the zipper is positioned in relation to the coverlet to extend substantially along a height midline of the mattress when the coverlet sunounds the core.
14. The system of claim 12, wherein the zipper is positioned in relation to the coverlet to extend substantially along an edge of the core when the coverlet surrounds the core.
15. The system of claim 1 , wherein the passive sensor includes an anay of pressure sensing elements.
16. The system of claim 15, wherein the pressure sensing elements include piezoelectric sensors.
17. The system of claim 15, wherein the pressure sensing elements each have two opposite surfaces, each surface being protected by a foam padding.
18. The system of claim 15, wherein the pressure sensing elements are disposed upon a carrier sheet, the carrier sheet being attached to the coverlet.
19. A system for integrating a passive sensor into a bed to support continuous passive monitoring of a patient, comprising: a passive sensor for monitoring a patient; a mattress core; a coverlet sunounding the mattress core; and an underlayer positioned between the mattress core and the coverlet; wherein the sensor is attached to the underlayer.
20. The system of claim 19, wherein the underlayer includes two layers of material sealed together to hold the sensor array therebetween.
21. The system of claim 19, wherein the sensor is attached to a surface of the underlayer using adhesive.
22. The system of claim 19, wherein the sensor is attached to a surface of the underlayer using a bonding method selected from the group consisting of radio frequency welding, ultrasonic welding, and heat sealing.
19
23. The system of claim 19, wherein the sensor is attached to a surface of the underlayer using an attachment method selected from the group consisting of sewing, hook and loop fasteners, and high friction.
24. A system for integrating a passive sensor into a bed to support continuous passive monitoring of a patient, comprising: a passive sensor for monitoring a patient; a mattress core; wherein the sensor is embedded within the core.
25. The system of claim 24, wherein the core includes a first layer and a second layer, wherein each layer extends substantially over the length of the core, the sensor being positioned between the first layer and the second layer.
26. The system of claim 24, wherein a pocket is formed in a portion of the core, the sensor being positioned within the pocket and covered by a layer of core material which closes the pocket.
27. The system of claim 24, wherein the sensor is attached to a surface of the core by a permanent anchor.
28. The system of claim 24, wherein the sensor is attached to a surface of the core by a removable anchor.
29. A system for securing a passive sensor to a mattress assembly, the mattress assembly including a core and a coverlet sunounding the core, said system comprising: a housing having an opening; a removable lid configured to seal the opening, the lid and housing together defining a space when the lid seals the opening; a circuit board positioned within the space; a first cable extending from the circuit board for connection to a processor; a second cable extending from the circuit board for connection to the sensor; wherein the lid and housing are configured to capture a portion of the coverlet when the lid seals the opening, thereby holding the housing in a fixed position relative to the coverlet.
30. The system of claim 29, wherein the housing and lid are configured to produce a snap fit connection to each other.
20
31. A passive sensor system for connection to a mattress to support continuous passive monitoring of a patient, comprising: a passive sensor for monitoring a patient; and a coverlet configured to substantially surround the mattress; wherein the sensor is attached to the coverlet
32. The system of claim 31, wherein the sensor is attached to a surface of the coverlet using adhesive.
33. The system of claim 31, wherein the sensor is attached to a surface of the coverlet using a bonding method selected from the group consisting of radio frequency welding, ultrasonic welding, and heat sealing.
34. The system of claim 31, wherein the sensor is attached to a surface of the coverlet using an attachment method selected from the group consisting of sewing, hook and loop fasteners, and high friction.
35. The system of claim 31 , wherein the coverlet includes two layers of material sealed together to hold the sensor therebetween.
36. The system of claim 31 , wherein the sensor is attached to the coverlet between a protective layer and a surface of the coverlet, the protective layer being attached to the coverlet.
37. The system of claim 31 , wherein the coverlet defines an opening for inserting the mattress, the coverlet including a zipper configured to seal the opening, whereby the coverlet surrounds the mattress when the opening is sealed.
38. The system of claim 31 , wherein the coverlet is configured to define an opemng for inserting the mattress, and wherein a hem surrounds the opening, the hem containing an elastic band configured to reduce the size of the opening when the elastic band is allowed to contract.
39. The system of claim 31, wherein the coverlet is configured to define an opening for inserting the mattress, and wherein a hem sunounds the opening, the hem containing a length of string configured to reduce the size of the opening when the string is tensioned.
40. The system of claim 31 , wherein the coverlet is configured to define an opening for inserting the mattress, and wherein straps are arranged to extend across the opening, the straps being configured to reduce the size of the opening when the straps are tensioned.
21
41. A passive sensor system for connection to a mattress to support continuous passive monitoring of a patient, comprising: a passive sensor for monitoring a patient; and an adhesive layer attached to a surface of the sensor for attachment to the mattress.
42. The passive sensor system of claim 41, wherein the sensor system includes an anay of pressure sensing elements.
43. The passive sensor system of claim 42, wherein the pressure sensing elements include piezoelectric sensors.
44. The passive sensor system of claim 42, wherein the pressure sensing elements each have two opposite surfaces, each surface being protected by a foam padding.
45. The passive sensor system of claim 42, wherein the passive sensor includes a carrier sheet to which the pressure sensing elements are attached, the adhesive layer being attached to the earner sheet.
46. The passive sensor system of claim 41 , wherein the adhesive layer is a two sided adhesive film having a removable protective layer.
22
PCT/US2005/005460 2004-02-18 2005-02-18 Method and system for integrating a passive sensor array with a mattress for patient monitoring WO2005079530A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05723413A EP1745450A4 (en) 2004-02-18 2005-02-18 Method and system for integrating a passive sensor array with a mattress for patient monitoring
JP2006554274A JP2007525266A (en) 2004-02-18 2005-02-18 Method and system for incorporating a passive sensor array in a mattress to monitor a patient
AU2005215039A AU2005215039B2 (en) 2004-02-18 2005-02-18 Method and system for integrating a passive sensor array with a mattress for patient monitoring
CA002556894A CA2556894A1 (en) 2004-02-18 2005-02-18 Method and system for integrating a passive sensor array with a mattress for patient monitoring

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54669504P 2004-02-18 2004-02-18
US60/546,695 2004-02-18

Publications (4)

Publication Number Publication Date
WO2005079530A2 true WO2005079530A2 (en) 2005-09-01
WO2005079530A9 WO2005079530A9 (en) 2006-09-21
WO2005079530A3 WO2005079530A3 (en) 2006-12-07
WO2005079530A8 WO2005079530A8 (en) 2007-05-24

Family

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Application Number Title Priority Date Filing Date
PCT/US2005/005460 WO2005079530A2 (en) 2004-02-18 2005-02-18 Method and system for integrating a passive sensor array with a mattress for patient monitoring

Country Status (7)

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US (2) US7652581B2 (en)
EP (1) EP1745450A4 (en)
JP (1) JP2007525266A (en)
CN (1) CN1942906A (en)
AU (1) AU2005215039B2 (en)
CA (1) CA2556894A1 (en)
WO (1) WO2005079530A2 (en)

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