US20040010851A1 - Coordinative control method for the back and knee bottom sections of a bed or the like - Google Patents

Coordinative control method for the back and knee bottom sections of a bed or the like Download PDF

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Publication number
US20040010851A1
US20040010851A1 US10/389,960 US38996003A US2004010851A1 US 20040010851 A1 US20040010851 A1 US 20040010851A1 US 38996003 A US38996003 A US 38996003A US 2004010851 A1 US2004010851 A1 US 2004010851A1
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US
United States
Prior art keywords
knee
lifting
bottom section
degrees
angle
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US10/389,960
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English (en)
Inventor
Hiroshi Nagaoka
Masao Horitani
Satoru Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paramount Bed Co Ltd
Original Assignee
Paramount Bed Co Ltd
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 Paramount Bed Co Ltd filed Critical Paramount Bed Co Ltd
Assigned to PARAMOUNT BED CO., LTD. reassignment PARAMOUNT BED CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HORITANI, MASAO, INOUE, SATORU, NAGAOKA, HIROSHI
Publication of US20040010851A1 publication Critical patent/US20040010851A1/en
Priority to US11/136,153 priority Critical patent/US20050273933A1/en
Priority to US12/253,145 priority patent/US8068924B2/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018—Control or drive mechanisms

Definitions

  • the present invention relates to a coordinative control method for the back and knee bottom sections of a bed or the like, for example, having back and knee lifting functions, for adaptation from the present state of positions of the bottom sections of the bed or the like, to a predetermined action of the back and knee bottom sections in a coordinative manner.
  • the object of this invention is to provide a coordinative control method for the back and knee bottom sections of a bed or the like having back lifting and knee lifting functions, for letting the back and knee bottom sections carry out a predetermined action in a coordinative manner from any arbitrarily lifted and lowered positions of the bottom sections.
  • claim 1 discloses a coordinative control method for the back and knee bottom sections of a bed or the like, characterized in that when the back bottom section and the knee bottom section are operated in a coordinative manner, the back bottom section or the knee bottom section is actuated for adaptation to ensure that an action can be carried out based on a preset action pattern starting from the present state of positions.
  • claim 2 discloses a coordinative control method for the back and knee bottom sections of a bed or the like, characterized in that when the back bottom section and the knee bottom section are operated in a coordinative manner starting from the present state of positions of the bottom of the bed or the like, the knee bottom section is controlled to form the knee lifting angle of the knee bottom section corresponding to the back lifting angle of a preset action pattern, for adaptation to said action pattern.
  • claim 3 discloses a coordinative control method for the back and knee bottom sections of a bed or the like, characterized in that when the back bottom section and the knee bottom section are operated in a coordinative manner starting from the present state of positions of the bottom of the bed or the like, the back bottom section and the knee bottom section are controlled to aim at the nearest action change point of the knee bottom section on a preset action pattern, in order to let the bottom sections act based on said action pattern.
  • the bed or the like includes a hospital bed, stretcher, ICU bed or a long term care bed.
  • the back bottom section and the knee bottom section can be quickly brought to the positions corresponding to a predetermined action pattern, and the bottom sections can be adjusted to desired positions according to the action pattern.
  • a position control map can be simple.
  • FIG. 1 is a typical side view showing an example of the long term care bed to which the coordinative control method for the back and knee bottom sections of a bed or the like of this invention is applied
  • FIG. 2 is a position control map for illustrating a method of adapting to a back lifting action pattern in the coordinative control method for the back and knee bottom sections of a bed or the like of this invention.
  • FIG. 3 is a side view of bottom sections for illustrating knee lifting
  • FIG. 4 is a side view of bottom sections for illustrating back lifting started together with knee lifting
  • FIG. 5 is a side view of bottom sections for illustrating the continuation of back lifting, with knee lifting stopped
  • FIG. 6 is a side view of bottom sections for illustrating the continuation of back lifting, with knee lifting started
  • FIG. 7 is a side view of bottom sections illustrating completion of back lifting
  • FIG. 8 is a position control map for illustrating the adaptation to a back lifting action pattern, in the coordinative control method for the back and knee bottom sections of a bed or the like of this invention
  • the bottom 1 of a bed apparatus shown in FIG. 1 is divided into a back bottom section 1 a corresponding to the back, a knee bottom section 1 b corresponding to the region from the waist to the knees and the leg bottom section 1 c corresponding to the legs, and though not illustrated, a back lifting link as a back lifting mechanism abuts the back side of said back bottom section 1 a , while a knee lifting link as a knee lifting mechanism is attached to the back side of the knee bottom section 1 b for lifting and lowering the knee bottom section 1 b and the leg bottom section 1 c in a coordinative manner.
  • the back lifting link and the knee lifting link are respectively connected to drive means (not illustrated), for allowing back lifting and knee lifting.
  • an electric directly acting drive mechanism (not illustrated) can be applied.
  • Remote control switches or control switches (not illustrated) on a control panel to be operated by an attendant, nurse or the like are operated to give control commands for back lifting, knee lifting and gatch action (concurrent back lifting and knee lifting), so that electric power is supplied from a controller mounted on a control box installed at a frame or the like of the bed, to start the respective directly acting drive mechanisms, for adjusting to desired positions.
  • Said controller starts and stops the supply of electric power to the directly acting drive mechanisms such as motors for actuating the back lifting mechanism and the knee lifting mechanism based on the signals given from said remote control switches or the control switches of the control panel, and has, for example, a back lifting action control procedure of the action pattern shown by a thick solid like in FIG. 2 preset in it.
  • the motors as the directly acting drive mechanisms for actuating said back lifting mechanism and knee lifting mechanism is provided, for example, with rotation quantity detecting means as means for obtaining the position information of the back bottom section 1 a and the knee bottom section 1 b.
  • Control commands are given to carry out a back lifting action procedure as follows: (i) knee lifting started (knee lifting motor turned on for normal rotation), (ii) back lifting started (back lifting motor turned on for normal rotation) after lapse of time t (knee lifting angle 15 degrees), (iii) knee lifting stopped (knee lifting motor turned off) after lapse of predetermined time (T), with knee lifting angle 30 degrees and back lifting angle 15 degrees, (iv) back lifting continued till reaching back lifting angle 40 degrees, (v) knee lowering started and continued till reaching knee lifting angle 15 degrees (knee lifting motor turned on for reverse rotation), back lifting continued (back lifting angle 55 degrees), (vi) back lifting continued (back lifting angle 60 degrees), (vii) knee lowering continued (knee lifting angle about 0 degree), back lifting continued till reaching back lifting angle about 78 degrees, (viii) back lifting stopped (back lifting motor turned off), knee lowering completed (knee lifting motor turned off)
  • said controller receives the signals detected by the rotation quantity detecting means provided in the motors used as the directly acting drive mechanism for actuating the back lifting mechanism and the knee lifting mechanism, as the position information of the back bottom section 1 a and the knee bottom section 1 b at the time of starting.
  • the knee lifting motor or the back lifting motor is controlled for adjusting the knee lifting angle or the back lifting angle for adaptation to the aforesaid action pattern.
  • knee lifting angle is 0 to 15 degrees while the back lifting angle is 0 to 15 degrees at the time of starting, then knee lifting is started (the knee lifting motor is turned on for normal rotation).
  • knee lifting angle is 15 to 30 degrees while the back lifting angle is 0 to 15 degrees at the time of starting, and the back lifting angle is larger than the knee lifting angle of the action pattern, then knee lifting is started (the knee lifting motor is turned on for normal rotation).
  • knee lifting angle is 0 to 30 degrees while the back lifting angle is 15 to 40 degrees at the time of starting, then knee lifting is started (the knee lifting motor is turned on for normal rotation).
  • knee lifting angle is 15 to 30 degrees while the back lifting angle is 40 to 55 degrees at the time of starting, and the back lifting angle is larger than the knee lifting angle of the action pattern, then knee lowering is started (the knee lifting motor is turned on for reverse rotation).
  • knee lifting angle is 15 to 30 degrees while the back lifting angle is 55 to 78 degrees, then knee lowering is started (the knee lifting motor is turned on for reverse rotation).
  • knee lifting angle is 0 to 20 degrees while the back lifting angle is 65 to 78 degrees, and the back lifting angle is smaller than the knee lifting angle of the action pattern, then knee lowering is started (the knee lifting motor is turned on for reverse rotation).
  • the knee lifting angle at which the lying person feels a pressure is different from person to person, the knee lifting angle is preset using a remote control switch or a knee lifting angle setting switch on the control panel.
  • the controller can receive the signals detected by the rotation quantity detecting means installed in the motors used as the directly acting drive mechanisms for actuating the back lifting mechanism and the knee lifting mechanism, as the position information of the back bottom section 1 a and the knee bottom section 1 b at the time of starting. Then, from the state of the bottom sections at the time of starting, the adaptation procedure shown in any one of (1) through (10) is carried out, and back lifting is carried out according to the action pattern of (i) through (viii).
  • the controller can carry out back lifting according to the action pattern of (i) through (viii) without carrying out any adaptation procedure.
  • the position information shows that the bottom is in a state as shown in FIG. 3 or 4 , and “(1) if the knee lifting angle is 0 to 15 degrees while the back lifting angle is 0 to 15 degrees at the time of starting, then knee lifting is started (the knee lifting motor is turned on for normal rotation),” or “(2) if the knee lifting angle is 15 to 30 degrees while the back lifting angle is 0 to 15 degrees at the time of starting, and the back lifting angle is larger than the knee lifting angle of the action pattern, then knee lifting is started (the knee lifting motor is turned on for normal rotation),” or “(3) if the knee lifting angle is 15 to 30 degrees while the back lifting angle is 0 to 15 degrees at the time of starting, and the back lifting angle is smaller than the knee lifting angle of the action pattern, then back lifting is started (the back lifting motor is turned on for normal rotation),” for adapting the knee lifting angle and the back lifting angle to the action pattern, and subsequently back lifting can be carried out according to the action pattern of (ii) through (viii).
  • the position information shows that the bottom 1 is in a state as shown in FIG. 6, and “(5) if the knee lifting angle is 0 to 15 degrees while the back lifting angle is 40 to 65 degrees at the time of starting, then back lifting is started (the back lifting motor is turned on for normal rotation), for adapting the knee lifting angle and the back lifting angle to the action pattern, and subsequently, the action is carried out according to (vii) knee lowering continued (knee lifting angle about 0 degree), back lifting continued till reaching back lifting angle about 78 degrees, and (viii) back lifting stopped (back lifting motor turned off), knee lowering completed (knee lifting motor turned off).
  • knee lifting angle is 15 to 30 degrees while the back lifting angle is 55 to 78 degrees, then knee lowering is started (the knee lifting motor is turned on for reverse rotation),” or “(9) if the knee lifting angle is 0 to 20 degrees while the back lifting angle is 65 to 78 degrees, and the back lifting angle is larger than the knee lifting angle of the action pattern, then back lifting is started (the back lifting motor is turned on for normal rotation),” or “(10) if the knee lifting angle is 0 to 20 degrees while the back lifting angle is 65 to 78 degrees, and the back lifting angle is smaller than the knee lifting angle of the action pattern, then knee lowering is started (knee lifting motor is turned on for reverse rotation),” for adaptation to the action pattern, and back lifting can be completed.
  • the back bottom section 1 a and the knee bottom section 1 b can be quickly brought to the positions corresponding to a predetermined action pattern, and the bottom 1 can be adjusted to a desired back lifting position according to the action pattern.
  • the knee lifting motor and the back lifting motor in response to the position information of the bottom 1 at the time of starting, can be controlled to achieve the knee lifting angle or the back lifting angle corresponding to the action pattern for back lifting.
  • the back bottom section 1 a and the knee bottom section 1 b can be controlled to aim at the nearest action conversion point of the knee bottom section 1 b on the action pattern.
  • the controller is preset to control the knee lifting motor and the back lifting motor, to achieve the knee lifting angle or the back lifting angle corresponding to the aforesaid action pattern as described below in response to the position information of the bottom sections at the time of starting.
  • the knee lifting motor and the back lifting motor are adequately controlled to aim at the action change point a (knee lifting angle 30 degrees, back lifting angle 15 degrees).
  • knee lifting angle is 0 to 30 degrees while the back lifting angle is 0 to 40 degrees, and the back lifting angle is larger than that of the action pattern, then the knee lifting motor and the back lifting motor can be adequately controlled to aim at the action change point ⁇ (knee lifting angle 30 degrees, back lifting angle 40 degrees).
  • the back bottom section 1 a or the knee bottom section 1 b is controlled from the present state of the bottom 1 to aim at any of the nearest action change points ⁇ to ⁇ on the action pattern, to ensure that the back lifting action can be carried out according to the action pattern of (i) through (viii). So, the adaptation procedure (software) can be more simplified, and the position control map can be simpler.
  • this invention can exhibit the following effects.
  • the back bottom section and the knee bottom section can be quickly brought to the positions corresponding to a predetermined action pattern, and the bottom sections can be adjusted to desired positions according to the action pattern.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)
US10/389,960 2002-03-18 2003-03-18 Coordinative control method for the back and knee bottom sections of a bed or the like Abandoned US20040010851A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/136,153 US20050273933A1 (en) 2002-03-18 2005-05-24 Coordinative control method for the back and knee bottom sections of a bed or the like
US12/253,145 US8068924B2 (en) 2002-03-18 2008-10-16 Coordinative control method for adjusting the back and knee bottom sections of an adjustable bed, and computer program for implementing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-75074 2002-03-18
JP2002075074A JP3818502B2 (ja) 2002-03-18 2002-03-18 ベッド等における背膝ボトム連動制御方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/136,153 Continuation-In-Part US20050273933A1 (en) 2002-03-18 2005-05-24 Coordinative control method for the back and knee bottom sections of a bed or the like

Publications (1)

Publication Number Publication Date
US20040010851A1 true US20040010851A1 (en) 2004-01-22

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Family Applications (3)

Application Number Title Priority Date Filing Date
US10/389,960 Abandoned US20040010851A1 (en) 2002-03-18 2003-03-18 Coordinative control method for the back and knee bottom sections of a bed or the like
US11/136,153 Abandoned US20050273933A1 (en) 2002-03-18 2005-05-24 Coordinative control method for the back and knee bottom sections of a bed or the like
US12/253,145 Active 2024-10-22 US8068924B2 (en) 2002-03-18 2008-10-16 Coordinative control method for adjusting the back and knee bottom sections of an adjustable bed, and computer program for implementing same

Family Applications After (2)

Application Number Title Priority Date Filing Date
US11/136,153 Abandoned US20050273933A1 (en) 2002-03-18 2005-05-24 Coordinative control method for the back and knee bottom sections of a bed or the like
US12/253,145 Active 2024-10-22 US8068924B2 (en) 2002-03-18 2008-10-16 Coordinative control method for adjusting the back and knee bottom sections of an adjustable bed, and computer program for implementing same

Country Status (8)

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US (3) US20040010851A1 (de)
EP (1) EP1346666B1 (de)
JP (1) JP3818502B2 (de)
KR (1) KR100684639B1 (de)
CN (1) CN100413483C (de)
DE (1) DE60315744T2 (de)
DK (1) DK1346666T3 (de)
TW (1) TWI272943B (de)

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US20040133982A1 (en) * 2002-10-24 2004-07-15 Paramount Bed Co., Ltd. Electric bed and control apparatus and control method therefor
US20120155616A1 (en) * 2009-09-08 2012-06-21 Koninklijke Philips Electronics N.V. Bidirectional movement assembly
US9782005B2 (en) 2014-07-25 2017-10-10 Stryker Corporation Medical support apparatus
US10695244B2 (en) 2013-04-23 2020-06-30 Paramount Bed Co., Ltd. Bed apparatus
US20240023720A1 (en) * 2022-07-21 2024-01-25 Chuan-Hang Shih Electric bed

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JP4583740B2 (ja) * 2003-09-16 2010-11-17 株式会社ミツバ 電動式ギャッチベッドの駆動制御装置
DE202004002924U1 (de) * 2004-02-23 2005-07-07 Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg Möbel mit elektromotorischen Antriebseinheiten zur Verstellung der beweglichen Bauteile
US7810822B2 (en) 2006-01-19 2010-10-12 Hill-Rom Services, Inc. Stretcher having hand actuated caster braking apparatus
US7637464B2 (en) * 2006-01-19 2009-12-29 Hill-Rom Services, Inc. Patient support with mobile IV stand transport handle
JP5866495B2 (ja) * 2012-09-21 2016-02-17 パナソニックＩｐマネジメント株式会社 仰臥台のボトム制御方法及びその装置
US20140265502A1 (en) 2013-03-15 2014-09-18 Stryker Corporation Medical support apparatus
EP2873401B1 (de) 2013-11-15 2017-03-01 Hill-Rom S.A.S. System und Verfahren zur automatischen Anpassung der Höhe einer Patientenliege
CN104901595A (zh) * 2015-06-10 2015-09-09 嘉兴礼海电气科技有限公司 一种通过app以及纹波控制调节家具角度方法和系统
CN105607497A (zh) * 2015-12-25 2016-05-25 嘉兴礼海电气科技有限公司 一种利用app对床或沙发进行记忆位置校准方法
JP6262194B2 (ja) * 2015-12-25 2018-01-17 パラマウントベッド株式会社 電動ベッド
EP3400925A1 (de) * 2017-05-12 2018-11-14 Hill-Rom Services, Inc. System zur einstellung einer patientenauflagefläche
JP7049786B2 (ja) * 2017-08-30 2022-04-07 パラマウントベッド株式会社 ベッドシステム
JP6944187B2 (ja) * 2017-09-21 2021-10-06 有限会社 和晃 電動ベッド
JP6936476B2 (ja) * 2017-09-21 2021-09-15 有限会社 和晃 電動ベッド
US10729246B2 (en) 2017-12-21 2020-08-04 Stryker Corporation Person support apparatus with shear-reducing pivot assembly
CN112168545B (zh) * 2018-10-12 2021-12-21 合肥工业大学 一种床体控制系统和方法
EP3643283A1 (de) 2018-10-22 2020-04-29 Hill-Rom Services, Inc. System zum einstellen der konfiguration einer patientenliegevorrichtung

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Publication number Priority date Publication date Assignee Title
US20040133982A1 (en) * 2002-10-24 2004-07-15 Paramount Bed Co., Ltd. Electric bed and control apparatus and control method therefor
US7058999B2 (en) * 2002-10-24 2006-06-13 Paramount Bed Co., Ltd. Electric bed and control apparatus and control method therefor
US20120155616A1 (en) * 2009-09-08 2012-06-21 Koninklijke Philips Electronics N.V. Bidirectional movement assembly
US9751360B2 (en) * 2009-09-08 2017-09-05 Koninklijke Philips N.V. Bidirectional movement assembly
US10695244B2 (en) 2013-04-23 2020-06-30 Paramount Bed Co., Ltd. Bed apparatus
US9782005B2 (en) 2014-07-25 2017-10-10 Stryker Corporation Medical support apparatus
US10595637B2 (en) 2014-07-25 2020-03-24 Stryker Corporation Medical support apparatus
US20240023720A1 (en) * 2022-07-21 2024-01-25 Chuan-Hang Shih Electric bed

Also Published As

Publication number Publication date
CN100413483C (zh) 2008-08-27
KR20030076349A (ko) 2003-09-26
EP1346666B1 (de) 2007-08-22
DK1346666T3 (da) 2008-01-28
DE60315744T2 (de) 2008-06-05
US8068924B2 (en) 2011-11-29
TW200304801A (en) 2003-10-16
JP3818502B2 (ja) 2006-09-06
TWI272943B (en) 2007-02-11
JP2003265270A (ja) 2003-09-24
KR100684639B1 (ko) 2007-02-20
EP1346666A1 (de) 2003-09-24
US20050273933A1 (en) 2005-12-15
DE60315744D1 (de) 2007-10-04
US20100125953A1 (en) 2010-05-27
CN1456138A (zh) 2003-11-19

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