WO2006119398A2 - Appareil support vibrant pour patient avec dispositif de percussion sous charge ressort - Google Patents

Appareil support vibrant pour patient avec dispositif de percussion sous charge ressort Download PDF

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Publication number
WO2006119398A2
WO2006119398A2 PCT/US2006/017078 US2006017078W WO2006119398A2 WO 2006119398 A2 WO2006119398 A2 WO 2006119398A2 US 2006017078 W US2006017078 W US 2006017078W WO 2006119398 A2 WO2006119398 A2 WO 2006119398A2
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WO
WIPO (PCT)
Prior art keywords
percussion device
cam
set forth
support apparatus
patient support
Prior art date
Application number
PCT/US2006/017078
Other languages
English (en)
Other versions
WO2006119398A3 (fr
Inventor
Frederick W. Blanchard
Melanie Dostaler
Original Assignee
Stryker Canadian Management, 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 Stryker Canadian Management, Inc. filed Critical Stryker Canadian Management, Inc.
Publication of WO2006119398A2 publication Critical patent/WO2006119398A2/fr
Publication of WO2006119398A3 publication Critical patent/WO2006119398A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
    • 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
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/0507—Side-rails
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/008—Apparatus for applying pressure or blows almost perpendicular to the body or limb axis, e.g. chiropractic devices for repositioning vertebrae, correcting deformation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0142—Beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0157—Constructive details portable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/14—Special force transmission means, i.e. between the driving means and the interface with the user
    • A61H2201/1418—Cam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1604—Head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1623—Back
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1628—Pelvis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1635—Hand or arm, e.g. handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/164—Feet or leg, e.g. pedal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1657—Movement of interface, i.e. force application means
    • A61H2201/1664—Movement of interface, i.e. force application means linear
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1683—Surface of interface
    • A61H2201/169—Physical characteristics of the surface, e.g. material, relief, texture or indicia
    • A61H2201/1697—Breathability of the material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5023—Interfaces to the user
    • A61H2201/5043—Displays
    • A61H2201/5046—Touch screens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2203/00—Additional characteristics concerning the patient
    • A61H2203/04—Position of the patient
    • A61H2203/0443—Position of the patient substantially horizontal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
    • A61H23/0254—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/04—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with hydraulic or pneumatic drive

Definitions

  • the present invention relates generally to a patient support apparatus and more particularly to a spring loaded percussion device of a vibrating patient support apparatus.
  • a typical patient support apparatus comprises a mattress having a plurality of air bladders for supporting the patient against the bias of gravitational forces, a percussion device that alternates inflation and deflation of air bladders to provide percussion and vibration therapy to the patient, and a rotation device, usually positioned beneath the mattress, to rotate the patient from side to side.
  • Percussion, vibration, and rotation therapy assist in reducing pulmonary problems and bed sores, respectively.
  • FIG. 1 One example of a rotation device in a mattress is shown in U.S. Patent No. 5,611,096 to Bartlett et al. and incorporated herein by reference in its entirety.
  • the rotation device of Bartlett et al. has two selectively inflatable and deflatable air bladders lying longitudinally beneath the mattress to provide rotation therapy to the patient for reducing bed sores.
  • a controller including an operator input panel and display is used to control the rotation device.
  • the input panel includes a plurality of raised buttons for advancing through and adjusting parameters associated with rotation functions.
  • FIG. 2004/0193078 Al An example of a percussion or vibrating device in a mattress is shown in U.S. Patent Application Publication No. 2004/0193078 Al, to Flick et al. and incorporated herein by reference in its entirety.
  • the percussion device of Flick et al. discloses a vibrating pad having a plurality of bladders that fill and deflate with the flow of air or fluid at a prescribed frequency controlled by a controller causing the above mattress or mattress cushion to vibrate.
  • This vibration therapy is capable of reducing pulmonary problems such as the accumulation of secretions in the lungs.
  • a percussion device preferably creates a vibration with tightly controlled vibration frequencies at tightly controlled amplitudes. This control can be difficult to design into bladder devices utilizing air pressure transients alone.
  • a vibrating patient support apparatus has a spring loaded percussion device preferably for treatment of pulmonary problems of a patient.
  • the percussion device is part of a bed mattress and is located beneath an upper cushioning member of the mattress for patient comfort.
  • the percussion device preferably has a resilient pad in contact with the cushioning member, a rigid member disposed below the pad, a plurality of springs engaged between the pad and rigid member, a cam in biased contact with the rigid member by the springs and an electric motor for rotating the cam.
  • the cam has a spiraling cam surface for sliding contact with the push rod and that spirals radially outward from a radially inner end to a radially outer end. Extending between the inner and outer ends is a fall face.
  • the fall face faces in a circumferential direction opposite to the direction of rotation and substantially lies in an imaginary plane common to the rotation axis.
  • Objects, features and advantages of the present invention include a patient support apparatus that has a relatively lightweight and manageable mattress having numerous devices for therapeutic treatment including an electrically operated percussion device capable of tightly controlled vibration frequencies and amplitudes.
  • Other advantages of the apparatus include a relatively simple and robust design that is inexpensive to manufacture, reduces wear and warranty costs and reduces energy consumption.
  • Figure 1 is a perspective view of a patient support apparatus of the present invention positioned on a hospital bed frame;
  • Figure 2 is a cross-sectional view of the patient support apparatus taken along the line 2-2 in Figure 1 ;
  • Figure 3 is a cross-sectional view of the patient support apparatus taken along the line 3-3 in Figure 1;
  • Figure 4 is a schematic view of a control system of the patient support apparatus
  • Figure 5 is a schematic view of an air flow system of the present invention.
  • Figure 6 is an exploded perspective view of a spring loaded percussion device of the patient support apparatus
  • Figure 7 is a side view of a cam of the percussion device
  • Figure 8 is an enlarged partial cross section of a percussion mechanism of the percussion.
  • Figure 9 is a block diagram of a modification to the percussion device of the patient support apparatus.
  • a vibrating patient support apparatus of the present invention is generally shown at 10.
  • the patient support apparatus 10 of the present invention is shown in combination with a mobile hospital bed frame 12.
  • the hospital bed frame 12 typically includes a plurality of side rails 14 that can be lowered for patient transfer and raised to confine a patient.
  • the hospital bed frame 12 can also include a plurality of adjustable sections including an adjustable head section 16 that is pivotally adjustable relative to a main body section 18 of the bed frame 12 to allow the patient to sit up while eating or visiting with family.
  • the patient support apparatus 10 preferably comprises a generally self-contained mattress or pad assembly 20 having a patient support surface 22.
  • the mattress 20 is referred to as being self-contained since a substantial portion of the working components of the mattress 20 that are used to carry out multiple functions, including a plurality of therapeutic functions, are enclosed by a cover 24 of the mattress 20.
  • the cover 24 can be any conventional material including, but not limited to natural fibers, polymeric materials, or combinations thereof.
  • the cover 24 is preferably a vapor permeable material to be used in conjunction with a low air loss mechanism 26 of the mattress 20 described below.
  • a controller 72 of the patient support apparatus 10 controls operation of a main pump 50 preferably located externally of the mattress 20.
  • the main pump 50 supplies a controlled amount of pressurized air to multiple systems or devices of the mattress 20 that are generally located internally to the cover 24 of the mattress 20. These systems include; a low air loss device 82 having a low air loss control system 56 and the low air loss mechanism or perforated tubing 26, a firmness setting device 84 having a main valve system 58 and a main air bladder 36 (see Figure 3), and a rotation device 88 having a rotation control system 62 and a rotation mechanism 40.
  • the rotation mechanism 40 is preferably two air bladders 42 located beneath the percussion mechanism 38.
  • the main air bladder 36, a spring loaded percussion mechanism 38, and rotation mechanism 40 are supported within the cover 24 of the mattress 20 by a base cushion 44 positioned within a perimeter of the frame 34.
  • the base cushion 44 can be rigid or flexible and comprise an air bladder, or simply be constructed of conventional bedding materials such as foam, and the like.
  • a pendant 28 of the controller 72 is supported by a tower 30 coupled electrically to the mattress 20 and preferably supported structurally by the bed frame 12.
  • the pendant 28 includes user interface 32 of the patient support apparatus 10 used to operate at least a portion of the functions of the mattress 20.
  • the user interface 32 is preferably of a touch-screen display type that is well known to those skilled in the art for operator input, as well as output, based upon the particular software used to configure the user interface or touch-screen display 32.
  • the touch-screen display 32 has input and output capabilities.
  • the mattress 20 has a generally peripheral frame 34 of a conventional bedding frame material.
  • a conventional bedding frame material can include, but is not limited to foam, polymeric materials, metal, gels, or combinations thereof.
  • the main air bladder 36 of the firmness setting device 84 which is positioned within the perimeter of the frame 34 and immediately below an upper portion of the cover 24.
  • the main air bladder 36 acts as the primary support for the patient and with a controlled flow of air into and out of the bladder 36 can be useful in controlling the temperature of the bedding material exposed to the patient.
  • the percussion- vibration mechanism 38 of the spring loaded percussion device 86 is positioned below the main air bladder 36, hereinafter referred to as the percussion mechanism 38.
  • the percussion mechanism 38 provides both percussion and vibration therapy to the patient.
  • the particular therapy being employed is dependent on the frequency or the number of beats per second generated by the percussion mechanism 38.
  • the percussion therapy usually employs 1-7 beats per second (i.e. 1-7 hertz) and the vibration therapy employs 7 to 25 beats per second (i.e. 7-25 hertz).
  • the percussion mechanism 38 employs a plurality of compression springs 130 and a rotating cam 104 to impart the percussion motion.
  • a rotation mechanism 40 of the rotation device 88 for rotation therapy is positioned generally below the percussion mechanism 38.
  • the rotation mechanism 40 provides rotation therapy to the patient by rotating the patient from side to side.
  • rotation therapy assists in reducing bed sores and pulmonary problems of the patient.
  • the rotation mechanism 40 is preferably a pair of longitudinally positioned rotation bladders 42, shown in Figure 3 and described in the '078 publication to Flick et al..
  • the rotation bladders 42 are independently inflated and deflated to raise one side of the patient, lower the patient, and then raise the other side of the patient such that the patient experiences a side-to-side rotation that shifts pressures between the patient and the bladder 36 of the firmness setting device 84 of the mattress 20.
  • the low air loss mechanism 26 of the mattress 20 used in conjunction with the encapsulating yet permeable cover 24 is preferably positioned inward of the cover 24.
  • air is pumped from the low air loss mechanism 26 through the permeable cover 24 to reduce the temperature below the patient support surface 22 and decrease the chance of skin maceration that lowers the risk of bed sores.
  • the main pump 50 delivers pressurized air to the perforated tubing of the mechanism 26 disposed within the frame 34 and under the cover 24.
  • the tubing is external to or spaced from the main air bladder 36, the percussion mechanism 38, and the rotation mechanism 40.
  • a first control unit 46 of a main control system 70 in the form of a rigid box and preferably not of the mattress 20 is shown adjacent to a foot end 48 of the mattress 20.
  • the first control unit 46 encloses the main pump 50 and a power circuit board 52 of a main control system 70 for operating the main pump 50 and transferring power to the rest of the mattress components generally located in a second control unit 54.
  • the first control unit 46 fits neatly below the foot end 48 of the mattress 20, but is not incorporated within the cover 24 of the mattress 20.
  • the main pump 50 is used to inflate the main air bladder 36, the rotation bladders 42, and to convey air to the perforated tube 26.
  • the second control unit 54 of the main control system 70 in the foz ⁇ n of a rigid box is shown beneath the cover 24 of the mattress 20 within the perimeter of the frame 34 (see Figure 2).
  • the second control unit 54 encloses the low air loss control system 56 for controlling the low air loss mechanism 26, the main valve system 58 for inflating and deflating the main air bladder 36, the percussion control system 60 for controlling the percussion mechanism 38, the rotation control system 62 for controlling the rotation mechanism 40, and a main circuit board 64 in operative communication with these systems and the power circuit board 52 of the first control unit 46.
  • the second control unit 54 also preferably encloses a processor 74 and memory 78 of the controller 72 for controlling operation of these systems 56, 58, 60, 62 and the main pump 50.
  • These systems 56, 58, 60, 62 may comprise motors, solenoid valves, and/or motor-controlled valves, as disclosed in the '078 publication. It should be appreciated that each of these separate control systems 56, 58, 60, 62 may also represent portions of a larger system. Those skilled in the art will now recognize that the systems employed for controlling operation of the loss air loss mechanism 26, main air bladder 36, percussion mechanism 38, and rotation mechanism 40 may assume a variety of configurations.
  • the main control system 70 of the patient support apparatus 10 is schematically illustrated.
  • the main control system 70 includes the controller 72 which comprises the processor 74, the touch-screen display 32, a display driver 76 for driving the touch-screen display 32, the memory 78, and a communication interface 80.
  • the controller 72 via communication interfaces 80, is also in operative communication with the low air loss control system 56, main valve system 58, percussion control system 60, rotation control system 62, and the main pump 50.
  • FIG. 5 an air flow schematic of the patient support apparatus 10 is shown.
  • the air flow schematic generally shows the movement of air through conduits from an air source 94 (preferably outside air at atmospheric pressure) via the main pump 50 to the second control unit 54 and more specifically, to the low air loss control system 56, the main valve system 58, the percussion control system 60, and the rotation control system 62.
  • Each of these systems 56, 58, 60, 62 preferably comprises valve controls for operating their respective mechanisms, i.e., the perforated tube 26, the main air bladder 36, the percussion bladders 39, and the rotation bladders 42.
  • Such valve controls are described in more detail in the previously referenced '078 publication to Flick et al. herein incorporated by reference.
  • each of the separate control systems 56, 58, 60, 62 may be portions of a larger valve system, or the control systems 56, 58, 60, 62 may represent direct connections between the main pump 50 and the respective perforated tube 26 or bladders 36, 39, 42.
  • Figures 6 - 8 illustrate the spring loaded percussion device 86 generally having an electric motor 100 having a stator that rotates about a substantially horizontal axis 102 and connected concentrically to a rotating cam 104.
  • the cam 104 has a camming peripheral surface 108 that spirals in a radially outward direction as the surface 108 extends circumferentially in a clockwise direction from an inner end 110 to an outer end 112 of the surface 108.
  • Extending radially between the ends 110, 112 of surface 108 is a fall face 114.
  • the fall face 114 does not extend, curve or slope circumferentially and instead faces in a clockwise direction. That is, the fall face 114 and the rotation axis 102 both substantially lie in the same imaginary plane.
  • Operatively engaging the percussion mechanism to the rotating cam 104 is a substantially vertical push rod 116 that reciprocates in and is supported by a sleeve 118 preferably attached to the frame 34 of the mattress 22.
  • the push rod 116 has a lower end 120 that slides against the cam surface 108 and an upper end 122 engaged to a bottom surface 124 of a rigid member or plate 126.
  • Extending upward from a top surface 128 of the rigid member 126 we a plurality of coiled compression springs 130.
  • a lower end 132 of the springs 126 is engaged to the rigid member 126 and an upper end 134 is attached to the resilient pad 39.
  • the upper end 134 of each spring 130 is seated in an inverted cup or guard 136 secured to the pad 39 for wear protection of the pad 39.
  • the controller 72 actuates the electric motor 100 that rotates the cam 104, for example, in a counterclockwise direction 106.
  • the lower end 120 rides along the cam surface 108 toward the outer end 112.
  • the push rod 116 moves upward carrying the rigid member 126 with the rod and against the biasing forces of the springs 126, the resilient pad 39 and any patient weight placed upon the pad.
  • the springs 126 will compress and the resilient pad 39 will generally lift upward.
  • the push rod 116 With continued rotation of the cam 104, the push rod 116 will ride circumferentially beyond the outer end 112 of cam surface 108 and with the biasing force of the compressed springs 130, the stretched or lifted pad 39 and any weight of the patient will fall radially inward along the fall face 114 and impact the inner distal end 110 of camming surface 108. This impact reverberates through the percussion mechanism 38 and contributes toward the vibration frequency and resultant amplitudes.
  • FIG. 9 a modification of the percussion device 86 is illustrated wherein the resilient pad 39 is actually a bladder inflated to a controlled pressure by the main pump 50 and similar to that described for the firmness setting device 84.
  • the electric motor can rotate a cam shaft (not shown) having multiple cams 104 each having a fall faces that are out of phase or circumferential alignment with one-another.
  • Each cam 104 can operated respective multiple push rods 116 and associated multiple rigid members or plates 126 each having their own series of springs 130.
  • mattress as applied to mattress 20 is not meant to be limited to a patient's bed, but may apply to any pad assembly that supports all or any portion of a patient against the bias of gravitational forces and whether or not the patient is intended to actual sleep upon the mattress or pad assembly.
  • the main bladder 36 of the firmness setting device 84 may be a passive cushioning member thus generally eliminating the firmness setting device 84 altogether. If such is the case, one skilled in the art would now know that the resilient pad 39 of the percussion mechanism 38 could be replaced with the cushioning member 36.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

La présente invention concerne un appareil support vibrant (10) pour patient possédant un dispositif de percussion sous charge ressort (84), destiné de préférence au traitement de problèmes pulmonaires de patient. De préférence, ce dispositif de percussion est une partie de matelas de lit (22) et est situé en dessous d'un élément amortisseur supérieur (36) de ce matelas destinés au confort du patient. Ce dispositif de percussion (86) possède de préférence un coussin souple (34) en contact avec l'élément amortisseur (36), un élément rigide (126) placé en dessous de ce coussin, une pluralité de ressorts (130) en contact entre le coussin et l'élément rigide, une came (104) en contact sous charge avec l'élément rigide via les ressorts et un moteur électrique (100) destiné à faire tourner la came.
PCT/US2006/017078 2005-05-04 2006-05-04 Appareil support vibrant pour patient avec dispositif de percussion sous charge ressort WO2006119398A2 (fr)

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US60/677,732 2005-05-04

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EP2086492A2 (fr) * 2006-11-16 2009-08-12 Stryker Corporation Surface de support pour patient avec aide à la rotation
CN106823162A (zh) * 2017-03-21 2017-06-13 王山山 一种放射科用放射平台
CN109568042A (zh) * 2018-11-30 2019-04-05 郑加庆 一种神经内科用翻身辅助装置
CN110051483A (zh) * 2019-03-21 2019-07-26 方孙典 一种可间隔升高或间隔降下的床垫

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JP6786198B2 (ja) * 2015-05-01 2020-11-18 株式会社フジ医療器 エアマッサージ装置
EP3352651B1 (fr) 2015-09-21 2023-12-13 Zoll Medical Corporation Compressions thoraciques dirigées vers la compliance thoracique
EP3791848B1 (fr) 2016-02-18 2024-05-22 Hill-Rom Services, Inc. Appareil de support pour patient doté d'un dispositif de compression de membre intégré
USD804882S1 (en) 2016-05-28 2017-12-12 Hill-Rom Services, Inc. Headrail
USD804883S1 (en) 2016-05-28 2017-12-12 Hill-Rom Services, Inc. Footrail
US10980687B2 (en) * 2017-07-19 2021-04-20 Stryker Corporation Techniques for generating auditory and haptic output with a vibrational panel of a patient support apparatus
CN107898627A (zh) * 2017-11-07 2018-04-13 叶建望 一种作用于背部肌肉的按摩药疗一体化装置
CN109172185B (zh) * 2018-07-16 2020-12-11 佳木斯大学附属第一医院 一种重症监护床及操作方法
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CN111329692A (zh) * 2020-04-03 2020-06-26 四川省西部放射治疗协会 一种俯卧位康复床垫
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EP2086492A2 (fr) * 2006-11-16 2009-08-12 Stryker Corporation Surface de support pour patient avec aide à la rotation
EP2086492A4 (fr) * 2006-11-16 2014-01-08 Stryker Corp Surface de support pour patient avec aide à la rotation
CN106823162A (zh) * 2017-03-21 2017-06-13 王山山 一种放射科用放射平台
CN109568042A (zh) * 2018-11-30 2019-04-05 郑加庆 一种神经内科用翻身辅助装置
CN110051483A (zh) * 2019-03-21 2019-07-26 方孙典 一种可间隔升高或间隔降下的床垫

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WO2006119398A3 (fr) 2007-01-11

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