EP3600205B1 - Solution de lit réglable - Google Patents

Solution de lit réglable Download PDF

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Publication number
EP3600205B1
EP3600205B1 EP18771079.3A EP18771079A EP3600205B1 EP 3600205 B1 EP3600205 B1 EP 3600205B1 EP 18771079 A EP18771079 A EP 18771079A EP 3600205 B1 EP3600205 B1 EP 3600205B1
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EP
European Patent Office
Prior art keywords
bed
seat module
sleeping platform
frame structure
adjustable
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.)
Active
Application number
EP18771079.3A
Other languages
German (de)
English (en)
Other versions
EP3600205C0 (fr
EP3600205A4 (fr
EP3600205A1 (fr
Inventor
Juha Lehto
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.)
Frosti Pirkka
Lehto Pyry
Original Assignee
Frosti Pirkka
Lehto Pyry
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Publication date
Application filed by Frosti Pirkka, Lehto Pyry filed Critical Frosti Pirkka
Publication of EP3600205A1 publication Critical patent/EP3600205A1/fr
Publication of EP3600205A4 publication Critical patent/EP3600205A4/fr
Application granted granted Critical
Publication of EP3600205C0 publication Critical patent/EP3600205C0/fr
Publication of EP3600205B1 publication Critical patent/EP3600205B1/fr
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Classifications

    • 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
    • A61G7/001—Beds specially adapted for nursing; Devices for lifting patients or disabled persons with means for turning-over the patient
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/34—Specific positions of the patient sitting
    • 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
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/16—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto converting a lying surface into a chair
    • 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
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/16—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto converting a lying surface into a chair
    • A61G7/165—Chair detachable from bed

Definitions

  • the adjustable bed consists of the sleeping platform frame structure supported by the adjustable pedestal structure and the height adjustable support framework for the backrest plate of the seat module attached to the sleeping platform frame structure and the seat module integrated to the foot end of the sleeping platform frame structure.
  • the functional characteristics of the adjustable bed solution of the invention are universal and versatile. It is suitable for demanding intensive care in hospitals as well as for use in rehabilitation centers, nursing homes and homes.
  • the invention facilitates the work of nursing staff and caregivers in various care institutions and homes, and promotes rehabilitation and mental well-being of the patients and people with disabilities.
  • Adjustable bed solutions are used in care and bed wards in hospitals, health centers, nursing homes, rehabilitation centers and homes.
  • the adjustments of the beds are performed either mechanically or electrically.
  • the versatility of the adjustments ranges from simple, such as used in basic home care beds, to functionally demanding intensive care bed adjustments and their other advanced intelligent features.
  • simple bed applications used in homes and bed wards of care institutions and hospitals the basic adjustments are the adjustments of the back and foot sections of the sleeping platform, which allow the user to lie in bed in a comfortable position or to have the treatment position appropriate within the possibilities of the available control options. ( Fig.31 ).
  • the following adjustments are used in the traditional adjustable beds: The height adjustment of the sleeping platform structure and its longitudinal tilt adjustment to the so-called Trendelenburg and counter-Trendelenburg positions ( Fig.32 and Fig.33 ) and the lateral tilt adjustment of the sleeping platform structure ( Fig.35b and Fig.41 ). Further developed intensive care beds can also be adjusted to different seating positions used in post-treatment therapies to prevent complications that occur for the long time motionless patients. ( Fig.37 and Fig.38 ).
  • the adjustment mechanisms of the height adjustment and the longitudinal and lateral tilt adjustment of the conventional adjustable beds do not enable, as in the case of the present invention, a universal solution that contains all known adjustment options of the adjustable beds. For example, there are no known solutions for connecting the so called stand-up bed function ( Fig.39 ) to an advanced adjustable bed otherwise equipped with the most versatile control functions of the bed.
  • the adjustable bed solution of the invention is supplemented by the patent application No. 20170128 of the adjustable pedestal structure of the bed.
  • the important advantage of the adjustable bed solution of the invention is to facilitate the hard work of nurses and caregivers in hospitals, nursing homes, health and rehabilitation centers and homes. Patients and other long-standing users of the bed do not need to be transferred to and out of the bed with patient lifts. Even people with reduced mobility who, however, are able to walk, do not need to go to bed sitting on the edge of the bed and using rise assist handles. The action that requires physical strength is no longer necessary. Changing position in the bed is easy.
  • the adjustable bed solution of the invention is thus suitable for use to all different target groups from homes to hospitals. Requirements for the functional features of the beds used in hospitals, care institutions, rehabilitation centers and homes vary from simple applications to functionally demanding and versatile adjustment features. By means of the adjustable bed solution of the invention, a functional and economically optimized bed for each target group can be implemented.
  • the axonometric picture shows the main components of the adjustable bed solution of the invention: The sleeping platform frame structure (1), the support framework for the backrest plate of the seat module (2), the frame structure of the seat module (3b) integrated to the sleeping platform frame structure and the adjustable pedestal structure of the bed (4) which carries the sleeping platform structure.
  • the axonometric picture shows the horizontal sleeping platform frame structure (1) and the frame structure of the seat module (3b) equipped with wheels integrated to it and the adjustable pedestal structure (4) which carries the sleeping platform structure.
  • the longitudinal tilt position adjustment of the sleeping platform frame structure performed by means of the adjustable pedestal structure of the bed is supplemented by the adjustment of the support framework for the backrest plate of the seat module (2).
  • the support framework for the backrest plate is connected to the horizontal sleeping platform structure through the rotation axle (9).
  • the adjustment of the support framework for the backrest plate is made by means of the adjusting actuator (50) and the scissor lift mechanism (51) attached to the sleeping platform frame structure. Variations of the sleeping, sitting and standing positions of the bed are generated from combinations of the adjusting movements of the above-mentioned structures and plates of the seat module.
  • the anchoring locking mechanism (34) for the frame structure of the seat module (3b) and the seat module support profiles of the anchoring mechanism (33a) are connected to the front beam of the sleeping platform frame structure (22).
  • the structural solution of the adjustable pedestal structure of the bed (4) consists of the two parallel lever arm (6) assemblies which are connected to each other through the rotation cylinders (7) equipped with adjusting actuators that move the lever arms.
  • the lever arm assemblies and the rotation cylinders are supported by the U-shaped foot structure of the pedestal (5).
  • the sleeping platform frame structure of the bed is supported by the sleeping platform support lever arms (9) of the upper structural part of the pedestal structure.
  • the support lever arms are connected to the support plate profiles of the sleeping platform frame structure (10).
  • the adjustable pedestal structure is protected by cover plates (8) attached to the lever arms.
  • the axonometric picture shows the sleeping platform frame structure of the adjustable bed solution of the invention in the horizontal position and adjusted to its lowest position.
  • the height adjustable support framework for the backrest plate of the seat module (2) and the backrest plate of the seat module (15), which freely follows its adjustment movement of the support framework, have been adjusted to the lowest position.
  • the foot plate part 2 of the seat module (18) is adjustable in the longitudinal direction of the sleeping platform structure ( Fig.24 ).
  • the adjustable armrests (20) of the seat module are integrated into the backrest plate of the seat module (15).
  • the adjustment movement happens through the rotation axle (13) of the armrests.
  • the armrests are in the lying position of the bed.
  • the headboard of the sleeping platform structure (19) attached to the sleeping platform frame structure (1) can be removed during the nursing treatment operation if necessary.
  • the axonometric picture shows the sleeping platform structure of the bed adjusted to the treatment height position.
  • the adjustable bed railins (62) are connected to the sleeping platform frame structure (1).
  • the control panel of the adjustments of the bed (60) is connected to the bed railing assembly.
  • the lateral tilt mechanism of the bed (57) is located in the foot structure of the pedestal (5).
  • the lifting wheel mechanisms of the lateral tilt adjustment of the bed (57) are placed in the foot structure of the pedestal (5).
  • the lifting wheels are in the upper position in the picture, ( Fig.27 and Fig.28 )
  • the axonometric picture shows the sleeping platform frame structure of the adjustable bed solution of the invention in the sitting position.
  • the backrest plate of the seat module (15) is resting on the upwardly adjusted support framework for the backrest plate of the seat module (2).
  • the tilt position adjustment of the backrest plate and foot plates of the seat module (17 and 18) happens through the rotation axles (11 and 12) which are located on the front and rear edges of the seat plate of the seat module (16).
  • the backrest plate follows freely the tilt movement of the height adjustable support framework for the back plate of the seat module (2).
  • the foot plates are adjusted by means of their own adjusting mechanisms.
  • the motion-specific adjustment mechanisms allow the unlimited adjustment variations of the sleeping, sitting and standing positions of the bed.
  • the axonometric picture shows the same situation where the frame structure of the seat module (3b) is anchored to the sleeping platform frame structure of the bed (1) as shown in the previous picture Fig.5 .
  • the tilt angles of the height adjustable support framework for the backrest plate of the seat module (2), on which the backrest plate of the seat module (15) is resting, as well as the sleeping platform frame structure (1) and the foot plates of the seat module (17 and 18), can individually be adjusted according to the different lying, seating and standing positions of the bed.
  • the axonometric picture shows the adjustable bed solution of the invention when the seat module (3a) is in the anchoring position.
  • the foot plates of the seat module (17 and 18) are adjusted to the lowest position and the adjustable armrests of the seat module (20) are in the sitting position.
  • the height adjustable support framework for the backrest plate of the seat module (2) has been adjusted to the upper position and it has raised the backrest plate of the seat module (15) to the upright position.
  • the locking mechanism of the backrest plate of the seat module (43) will be activated in the final stage of the movement and prevents the backrest plate (15) from tilting backwards, when the anchoring locking mechanism for the seat module (34) releases the seat module and it exits anchoring, ( Fig.23 ).
  • the seat module (3a) is anchored to the sleeping platform frame structure (1), first the anchoring locking mechanism for the seat module (34) will be activated.
  • the axonometric picture shows the seat module (3a) when it has been disconnected from the sleeping platform frame structure (1) and operates independently.
  • the backrest plate of the seat module (15) is locked upright.
  • the foot plate assembly of the seat module is adjusted to the sitting position and the armrests of the seat module (20) are adjusted in the operating position.
  • the upper backrest plate (14) is attached to the height adjustable support framework for the backrest plate of the seat module (2). It may also be an extension part of the backrest plate of the seat module (15), thus forming a high backrest plate (69) which supports the head of the person sitting in seat module.
  • the axonometric picture shows the seat module (3a) in the anchoring position.
  • the adjustable pedestal structure of the bed (4) is in the lowest position and the sleeping platform structure is in the horizontal position.
  • the backrest plate of the seat module (15) is in the upright position and the locking mechanism of the backrest plate of the seat module (43) is active.
  • the foot plates of the seat module (17 and 18) are adjusted to the lower position.
  • the armrests of the seat module (20) have been adjusted to the operating position (41) and the operating switch of the seat module (42) is adjusted out for use from the armrest structure.
  • the axonometric picture shows the seat module (3a) when it has been released from the anchoring.
  • the seat module is equipped with a lap belt, that prevents the user from falling or with support belts which hold the sitting position of the user of the seat module straight when the seat module has a high backrest plate.
  • the axonometric picture shows the adjustable bed structure the foot end of the sleeping platform frame structure (1) upwardly adjusted.
  • the sleeping platform frame structure is adjusted to the Trendelenburg position by means of the adjustments of the adjustable pedestal structure of the bed (4).
  • the sleeping platform structure can be adjusted from the lower height of lying in bed to the treatment height position.
  • the support framework for the backrest plate of the seat module (2) is lowered down, the bed user lays head down in the bed.
  • the desired angle of inclination of the Trendelenburg adjustment can be selected freely - as well as in the counter-Trendelenburg position, which maximally allows the stand-up position of the bed, but in the opposite direction.
  • the lifting mechanisms under the sleeping platform structure do not allow corresponding unlimited tilt angle adjustments of the sleeping platform. Compare the adjustable bed solution of the invention with the conventional bed solutions shown in the pictures Fig.32 and Fig.33 .
  • the axonometric picture shows the sleeping platform frame structure (1) of the bed adjusted to the counter-Trendelenburg position.
  • the adjustable bed railing assembly (62) can be adjusted to the lower position during the treatment operation. By increasing the tilt angle of the sleeping platform frame structure, the bed structure will be transformed into the stand-up bed.
  • the axonometric picture shows the adjustable bed of the invention in the stand-up position.
  • the armrest of the seat module (20) are adjusted to the standing position to give support to the bed user.
  • the bed user is supported by means of support belts to standing position.
  • the axonometric picture from behind shows the adjustable bed in the stand-up position.
  • the sleeping platform frame structure (1) of the bed is adjusted to the stand-up position by means of the 3-dimensional movements of the adjustable pedestal structure of the bed (4).
  • the longitudinal adjustment of the foot plate part 2 (47) of the seat module, on which the standing occurs, allows the standing height in the stand-up position of the bed, as well as the length of the sleeping platform frame structure in the lying position of the bed, to be adjusted to suit all different lengths of users of the bed.
  • the control unit of the pedestal structure (53) is positioned behind the cover plate (8) between the lever arms (6) of the lowest structural part of the adjustable pedestal structure (4) of the bed.
  • the display panel of the operating codes of the adjusting actuators (61) and the electrical connection plug of the bed structure are located at the rear surface of the foot structure of the pedestal (5).
  • the control unit of the actuators of the sleeping platform structure and the seat module (54) are placed inside the sleeping platform frame structure (1) under the support framework for the backrest plate of the seat module (2).
  • the adjustment actuators for the backrest plate of the seat module (15) and the foot plates of the seat module (17 and 18) receive operating voltage, through the charging and wiring plug (27) attached to the sleeping platform frame structure when the seat module is anchored to the sleeping platform.
  • the control unit of seat module for the independent use (55) is placed in the frame structure of the seat module (3b), ( Fig. 17 ). It controls the motor and drive wheel bogie (31) when the seat module is disconnected from the rest of the sleeping platform structure.
  • the battery placed in frame structure of the seat module and the operating switch of the seat module (42) integrated into the armrest of the seat module also allow the independent use of the seat module.
  • the operating voltage of the adjusting actuators and control units of the bed structure is 12V / 24V.
  • the operating adjustments of the bed are performed by means of the control panel of the adjustments of the bed (60) attached to the adjustable bed railing assembly (62).
  • the bed structure is equipped with safety mechanisms which stop the adjustment movement when an obstacle appears.
  • the movements are: Up- and-down movements of the adjustable pedestal structure of the bed (4), up-and-down and tilt adjusting movements of the horizontal sleeping platform frame structure (1), the downward adjusting movement of the support framework for the backrest plate of the seat module (2) and the adjustment movements of the foot plates of the seat module (17 and 18).
  • the safety sensors (72) are connected to the cover plate on the underside of the sleeping platform structure (70) and to the cover plates of the adjustable pedestal structure (8) and to the underside of the structural profiles of the horizontal sleeping platform frame structure (1) and to the underside of the support framework for the backrest plate of the seat module (2).
  • the downward movement of the foot plates of the seat module is protected by safety sensors (71) placed on the front edge of the frame structure of the seat module (3b).
  • the sectional pictures Fig.15a, Fig.15b and Fig.15c show the function of the backrest plate locking mechanism of the seat module in the stand-up position of the bed.
  • the backrest plate of the seat module When the seat module (3a) is anchored to the sleeping platform frame structure (1) of the bed structure the backrest plate of the seat module (15) rests freely on the support framework for the backrest plate of the seat module (2) and tilts through its rotation axle (11) and follows the up and down adjusting movement of the support framework.
  • the rotation axle of the support framework for the backrest plate of the seat module (9) and the rotation axle of the backrest plate of the seat module (11) are positioned side by side attached to the sleeping platform frame structure.
  • Different tilt positions of the backrest plate of the seat module (15) of the are called the Fowler's positions. They are used in the so-called position treatments combined with other adjustments and positions of the bed structure.
  • the locking fitting (23) of the backrest plate locking mechanism in the stand-up position of the bed attached to the backrest plate of the seat module (15), which in other tilt positions of the sleeping platform frame structure hangs freely, is locked into the counter locking fitting (21) of the backrest plate locking mechanism placed in the sleeping platform frame structure, and prevents the backrest plate from being folded forward.
  • the locking mechanism of the backrest plate of the seat module (43) placed in the frame structure of the seat module (3b) is in the open position when the seat module is anchored to the sleeping platform frame structure.
  • the backrest plate locking mechanism opens when the support framework for the backrest plate of the seat module (2) and the backrest plate of the seat module (15) resting on it tilt back from the stand-up position of the bed downwards to the horizontal position of the sleeping platform frame structure.
  • the locking fitting (23) attached to the backrest plate of the seat module hangs freely again.
  • the pictures show the various positions of the locking fitting (23) of the backrest plate locking mechanism in the stand-up position of the bed attached to the backrest plate of the seat module (15) in the horizontal and stand-up positions of the bed.
  • the axonometric picture shows the anchoring of the seat module (3a) to the sleeping platform frame structure (1) of the bed.
  • the seat module support profiles of the anchoring mechanism (33a) taper in V-shape towards the front beam of the sleeping platform frame structure (22), where the anchoring locking mechanism (34) for the seat module is located.
  • the seat module does not have to be fully perpendicular to the sleeping platform frame structure as the guide bearings (33b) work like a slide mechanisms.
  • the sleeping platform structure of the bed is adjusted to its lowest position, where the seat module support profiles of the anchoring mechanism (33a) and the anchoring support and guide profiles (52) of the seat module frame structure (3b) are interlocked with each other.
  • the height of the inner surface (a U-shape in upright position) of the anchoring support and guide profiles of the seat module is slightly higher than the height of the seat module support profiles attached to the to the sleeping platform frame structure.
  • the distance required to complete the anchoring is short, since the structural depth of the anchoring mechanism in the direction of the movement is very short.
  • the conventional bed structure solutions shown in the pictures Fig.46 - Fig.48 where a conventional wheelchair is supported by sliding rails in the middle of the U-shaped bed structure.
  • the integration distance of the wheelchairs into the U-shaped bed structure is significantly longer.
  • the adjustable foot plates of the anchored seat module (17 and 18) locating at the end of the sleeping platform frame structure (1) are left free from other structures.
  • the nursing staff and other caregivers may, if necessary, without any obstacles correct the position of the feet of the person sitting in the seat module or otherwise change his or her sitting position.
  • the placement of the adjustable bed solution of the invention in small room spaces in homes and in the bed wards of care institution is easier to execute, since when the seat module (3a) is in independent use, is the length of the remaining bed structure essentially shorter as the length of the conventional bed solutions mentioned above - it is the same as the length of the sleeping platform frame structure (1) of the bed.
  • the picture shows the location of the charging and wiring plug (27) and the optical position sensor of the seat module (28) placed on the back plate of the frame structure of the seat module (3b) and the location of their counterparts placed on the underside of the front beam of the sleeping platform frame structure (22).
  • the axonometric picture shows the frame structure of the seat module (3b) anchored to the sleeping platform frame structure (1).
  • the anchoring support and guide profiles (52) of the seat module and the seat module support profiles (33a) attached to the sleeping platform frame structure (1) are linked to each other.
  • the direction of the motor and drive wheel bogie (31) attached to the base plate of the frame structure of the seat module (3b) is changed by means of the motor (36) and the toothed belt mechanism (37).
  • the control unit of the seat module (55) and the power supply battery are located in the space between the base plate and the seat plate of the seat module (16).
  • the axonometric picture shows the anchoring locking mechanism of the adjustable bed structure of the invention.
  • the anchoring locking mechanism (34) is positioned in the front beam of the sleeping platform frame structure (22).
  • the actuator (40) moves the locking shaft so that the locking lever (35) is in the open position when the seat module has been released from the anchoring and in the locking position when the seat module is anchored to the sleeping platform frame structure.
  • the axonometric picture shows the seat module (3a) viewed from behind.
  • the locking fittings of the backrest plate locking mechanism in the stand-up position of the bed (23), as well as the support fittings of the headrest (26) required on a case-by-case basis, are attached to the rear surface of the backrest plate of the seat module (15).
  • the adjustable armrests of the seat module (20) are attached to the backrest plate and they are located on the front side of it.
  • the adjusting movement of the armrests from the sleeping position to the sitting position happens through the rotation axle (13) located in the armrest structure by means of the adjusting actuator of the armrests (24) and the toothed belt mechanism (25) attached on the rear surface of the backrest plate.
  • the charging and wiring plug (27) and the optical position sensor (28) of the electrically functioning seat module are placed on the rear plate of the frame structure of the seat module (3b). They are connected to the junction box placed on the front beam of the sleeping platform frame structure (22) when the seat module is anchored to the sleeping platform frame structure (1).
  • the bed user can perform the automated anchoring independently without a caregiver.
  • the optical position sensor of the seat module (28) indicates with sound and / or light signals the distance between the seat module and the anchoring mechanism (33) locating at the foot end of the sleeping platform frame structure.
  • the user of the bed moves to reclining position with the help of the adjusting movement of the support framework for the backrest of the seat module (2) and the simultaneous movement of the backrest plate of the seat module (15) resting on the support framework, and the adjusting movements of the foot plate assembly of the seat module.
  • the control panel of the adjustments of the bed (60) attached to the adjustable bed railing assembly (62) the user of the bed can perform the adjustments of the bed and he or she is able to move to or out of bed independently without the presence of the caregiver required in connection with conventional beds.
  • the axonometric pictures show the frame structure of the seat module (3b) and the function of the motor and drive wheel bogie (31).
  • the seat module is controlled by means of the operating switch (42) positioned in the armrest of the seat module (20). Moving forwards and backwards is done by turning the direction of the motor and drive wheel bogie and changing the rotation direction of the wheels.
  • the direction of the motor and drive wheel bogie (32) attached to the base plate of the frame structure of the seat module can be turned 180 degrees. This allows the lateral movement of the seat module, so that for example moving between the table and the back wall of the room requires less space than moving with a conventional electrically powered wheelchair.
  • the axonometric picture shows the seat module (3a) viewed from the front.
  • the seat plate of the seat module (16) is shown as transparent.
  • the backrest plate of the seat module tilts through its rotation axle (11) upwards about 85 degrees from the horizontal plane, lifted by the adjustment movement of the support framework for the backrest plate of the seat module (2).
  • the rotation axle is placed at the rear edge of the seat plate of the seat module (16).
  • the foot plates of the seat module (17 and 18) are adjusted down to the sitting position and the locking mechanism of the backrest plate of the seat module (43) is activated and it locks the backrest plate to the upright position, preventing it from tilting backward when the seat module is released from the anchoring.
  • the foot plate assembly of the seat module is in the sitting position in the picture.
  • the tilt position of the foot plates is adjusted trough the rotation axle (12) positioned at the front edge of the seat plate of the seat module (16).
  • the adjusting movement of the armrests of the seat module (20) happens through the rotation axle (13) locating in the armrests structure by means of the adjusting actuator (24) and toothed belt mechanism of the armrests (25).
  • the adjustment is complemented by actuators placed in the armrest structure, which rotate the armrests to the operating position of the armrests (41), and simultaneously turn up the into the armrest structure integrated operating switch of the seat module (42) ready for use.
  • the axonometric picture shows the function of the backrest plate (15) and the foot plates of the seat module (17 and 18) in the sitting position.
  • the seat plate of seat module (16) is shown as transparent.
  • the foot plates of the seat module (17 and 18) form a two-part adjustable foot plate assembly.
  • the foot plates are connected to each other by means of the sliding rails (44b). (Two parallel sliding rails are shown in the picture.)
  • the foot plate part 1 of the seat module (17) is attached to and supported by the rotation axle (12) at the front edge of the seat plate of the seat module (16).
  • the adjustment of the tilt angle of the foot plate assembly is made through the rotation axle (12) from the lying position to the sitting position of the bed.
  • the tilt adjustment is made by means of the actuator (45) attached to the lower surface of the seat plate (16) and connected to the foot plate part 1 of the seat module (17).
  • the locking mechanism of the backrest plate of the seat module (43) is attached to the underside of the seat plate of the seat module (16).
  • the locking mechanism consist of the locking plate (73) connected to the lower part of the sliding rail of the backrest locking mechanism (44a) and the push lever of the locking plate (74) connected to the foot plate part 1 of the seat module (17).
  • the push lever moves the locking plate toward the locking plate part (38) in the lower edge of the backrest plate of the seat module (15) when the foot plates tilt down to the sitting position.
  • the locking of the backrest plate to the upright position occurs during the final step of the tilt adjustment of the foot plate assembly to the lowest position and at the same time during the final movement (48) of the locking plate of the backrest plate locking mechanism (73).
  • the foot plate assembly of the seat module is in the lowest position and the backrest plate (15) is locked to the upright position when the seat module (3a) is released from the anchoring.
  • the locking will open after a short motion when the tilt angle of the foot plate assembly is adjusted from the sitting position toward the horizontal lying position of the bed after the anchoring has happened.
  • the backrest plate rests freely again on the height adjustable support framework for the backrest plate of the seat module (2).
  • the axonometric picture shows the function of the backrest plate and the foot plate assembly of the seat module in the reclining position of the bed.
  • the backrest plate (15) and the seat plate (16) and the foot plate part 1 of the seat module (17) are shown as transparent.
  • the foot plate assembly is adjusted to the horizontal position by means of the tilt angle adjustment actuator (45) connected to the foot plate part 1 of the seat module.
  • the foot plate part 2 of the seat module (18) connected to the foot plate part 1 (17) by means of sliding rails (44b) has been adjusted longitudinally to the outermost length (47).
  • the adjustment is made by means of the actuator (46) attached to the foot plate part 1 (17) and connected to the foot plate part 2 of the seat module (18).
  • the importance of the adjustments of the foot plate assembly for the ergonomically properly dimensioning that follows the natural motion of the feet is the compensation in length by means of which the smaller overall structural length of the foot plate assembly in the lower sitting position, is increased to the larger total length required by the reclining position, or correspondingly the total length is shortened to a suitable length in the seating position. Due to the thickness of the mattress the length of the trajectories from the tilt axle of the foot plate assembly (12) and the bending axis of the knees to the surface of the foot plate part 2 (18) against which the feet must be is different.
  • the longitudinal adjustment movement of the foot plate assembly (47) also plays an important role when the sleeping platform structure is adjusted to the stand-up position of the bed.
  • the length of the foot plate assembly can be adjusted individually according to the body length of each user of the bed, before adjusting the sleeping platform frame structure to the stand-up position of the bed, so that the foot plate part 2 is at the correct standing height at the end of the adjusting movement.
  • the bed user will not glide downwards on the sleeping platform surface during the adjustment movement.
  • the foot plate part 2 of the seat module on which the standing takes place forms the foot end board of the sleeping platform structure when the bed is in the horizontal position.
  • the longitudinal length adjustment of the foot plate assembly of the invention can also be utilized in the so-called position treatment and in the post-treatment, where the feet are supported against the endplate of the bed, which helps the patient to use breathing muscles and facilitates dyspnoea.
  • the axonometric picture shows the alternative solutions of the backrest plate of the seat module.
  • the removable headrest of the seat module (49) has been attached to the backrest plate of the seat module (15).
  • the task is performed by the caregiver.
  • the right-hand picture shows the alternative solution in which the upper backrest plate (14) has been connected to the backrest plate of the seat module (15) thus forming the high backrest plate of the seat module (69) which supports the head of the person sitting in the seat module.
  • the mechanically functioning locking mechanism of the backrest plate of the seat module (43) can be replaced by means of the adjusting actuator attached to the seat plate (16) and connected to the locking plate part of the backrest plate of the seat module (38).
  • the push lever of the locking plate of the backrest plate locking mechanism (74) is also left out in this case.
  • the electrically operated locking mechanism of the backrest plate is not dependent on the position of the foot plate assembly of the seat module.
  • the backrest plate and the foot plate assembly of the seat module can be adjusted to half sitting / armchair position also when the seat module (3a) has been released from the anchoring.
  • the adjustment of the backrest plate backward requires the use of the rear-mounted support wheels attached to the frame structure of the seat module to prevent the seat module from tilting backward
  • the axonometric picture from behind shows the middle part of the sleeping platform frame structure (1) in the stand-up position of the bed.
  • the sleeping platform frame structure (1) of the bed is connected to the sleeping platform support lever arms (9) of the adjustable pedestal structure of the bed (4) by means of the support plate profiles (10) of the sleeping platform frame structure.
  • the locking fitting of the backrest plate locking mechanism in the stand-up position of the bed (23) is locked into the counter locking fitting of the backrest plate locking mechanism (21) attached to the sleeping platform frame structure (1) and prevents the backrest plate of the seat module (15) from being folded forward when the sleeping platform structure of the bed is adjusted to the stand-up position.
  • the armrests of the seat module (20) integrated into the backrest plate of the seat module (15) can be adjusted to standing position to give support to the bed user in the stand-up position of the bed.
  • the picture shows the positions of the adjustment mechanism of the height adjustable support framework for the backrest plate of the seat module (2).
  • the adjusting actuator (50) and the scissor mechanism (51) are attached to the transverse beams of the sleeping platform frame structure (1).
  • the downward adjusting movements are protected by means of safety sensors placed underneath the structural profiles of the sleeping platform frame structure and the support framework for the backrest plate of the seat module.
  • the sectional pictures show the lateral tilt adjustment mechanism of the sleeping platform frame structure (1) of the adjustable bed solution of the invention.
  • the bed structure can be tilted in lateral direction during the treatment operations and facilitate the work of nurses and caregivers when they change the position of the bed user.
  • the lateral tilt position of the bed is also used in the so-called position treatments to avoid the risks of for instance pressure sores.
  • the lifting wheels on the selected side of the bed are adjusted down to the lifting position by means of the adjusting actuators whereby the particular side of the sleeping platform structure rises upwardly and the bed tilts sideways.
  • the axonometric pictures show the lifting wheel mechanism of the lateral tilt adjustment of the bed (57) with the lifting wheels (30c) in the upper and lower positions.
  • the adjusting of the lifting wheels is performed by means of the adjusting actuators (58) and lever mechanisms positioned inside the structural profiles of the foot structure of the pedestal (5).
  • the axonometric picture shows the adjustable bed railings (62) attached to the sleeping platform frame structure (1) of the adjustable bed solution of the invention.
  • the bed railing is in the upper position.
  • the adjustable support profiles of the bed railing (65) by means of which it is adjusted to the upper and lower positions (67), are supported on the underside of the structural profiles of the sleeping platform frame structure (1) of the bed.
  • the bed railings are locked in the upper and lower positions by means of the locking switch (66) connected to the support profiles of the bed railings.
  • the bed railings consists of two structural parts: The structurally solid transparent protection plate surface (64) and the telescopic part (63) attached to it.
  • the length of the bed railing assembly (68) can be adjusted by means of the telescopic part according to the functional situation.
  • the bed railings prevent the bed user from falling from the bed and the protection plate surfaces limbs from being trapped during the adjustments of the bed structure.
  • the axonometric picture shows the adjustable bed railings (62) of the invention in the lower position.
  • the telescopic part of the bed railing assembly has been pushed inside the structurally solid part of the bed railing assembly.
  • the structurally solid part of the bed railing assembly consists of two transparent protection plate surfaces (64) between which the telescopic part of the bed assembly (63) moves in and out.
  • the bed railing is raised from the lower position and locked with the locking switch (66) to the upper position, after which the telescopic part of the bed railing assembly is pulled out.
  • the picture shows a typical structurally simple bed used in hospital wards and nursing homes.
  • the bed has a 4-piece sleeping platform.
  • the inclination adjustment of the back, hip, knee and foot section plates is performed mechanically.
  • the bed structure is equipped with wheels and the bed railings can be raised up or lowered down.
  • the picture shows a typical adjustable bed used in hospital wards.
  • the adjustment of the 4-piece sleeping platform is performed electronically.
  • the height adjustment of the bed and the longitudinal tilt of the sleeping platform to the Trendelenburg and the counter-Trendelenburg positions is made by means of the pedestal structure equipped with wheels and placed under the sleeping platform structure.
  • the scissor lift mechanism supporting the sleeping platform structure of the bed is adjusted by means of the actuators.
  • the bed is in the Trendelenburg position in the picture.
  • the adjustments are made by means of the manual controller hanging on the bed railing of the bed. Protection of the scissor lift mechanism in the open pedestal structure is difficult to implement. Ultimately, the safety of use is the responsibility of the nurse or caregiver who performs the adjustment movement of the bed.
  • the picture shows the sleeping platform structure of bed shown in the previous picture Fig.32 adjusted to the counter-Trendelenburg position.
  • the bed is in a gently sloping sitting / lying position.
  • the picture shows an intensive care bed used in hospitals.
  • the sleeping platform structure of the bed can be adjusted to the sitting position used in the position treatment of patients with respiratory illnesses.
  • the adjustments are performed by means of the control panel attached to the bed railing structure.
  • the picture shows an electrically adjustable bed used in hospitals and home care.
  • the sleeping platform of the bed can be adjusted to the sitting position.
  • the solution makes it easier to move to a standing position and leave the bed. If the bed user is not able to walk, he or she will be transferred to the wheelchair by means of a patient lift.
  • the picture shows the bed solution shown in the previous picture Fig.35a .
  • the other adjustments of the bed are the height adjustment and the adjustments to the Trendelenburg and the counter-Trendelenburg positions and the lateral tilt adjustment of the sleeping platform structure of the bed.
  • the sleeping platform structure of the bed solution shown in the picture can be rotated in a transverse direction of the bed and be adjusted to the sitting position.
  • the picture shows an intensive care bed used in hospitals.
  • the backrest of the bed is in the Semi-Fowler's position used in the treatments of patients with heart diseases.
  • the picture shows an intensive care bed adjusted to the sitting position used in the treatment of patients with respiratory illnesses.
  • the picture shows the so-called stand-up bed with the sleeping platform structure adjusted in the upright position.
  • the other adjustments of the bed are the adjustment of the backrest plate and the height adjustment of the sleeping platform structure.
  • the adjustments are performed by means of the electronically adjustable scissor lift mechanism placed under the sleeping platform frame structure.
  • the bed has been developed for users who are unable to bend their body. The solution allows them to move to and out of bed with the body in straight position.
  • the picture shows an adjustable geriatric chair that can be adjusted from the lying position through the seating position to the standing position.
  • Geriatric chairs are used in physiotherapeutic rehabilitation treatment, among others to stimulate the sense of balance and weight and to improve blood circulation.
  • the picture shows an intensive care bed adjusted to the lateral tilt position. Changing of the bed linens and cleaning the beds and other day-to-day nursing activities requires physical strength and often many persons to carry the tasks.
  • the lateral tilt adjustment facilitates the work of nurses and caregivers when they change the position of the bed user and ensures the stability of the position during the treatment operations.
  • the automatic lateral therapy is a function where the bed is programmed to tilt regularly from side to side. This movement partly replaces the natural movement of the body and works to prevent serious lung complications.
  • the picture shows the unconscious patient being moved from the bed to a transfer bed with the help of a sliding sheets.
  • the lateral tilt position of the bed facilitates the operation significantly.
  • the actions mostly requires the presence of more than one nurse or other caregivers and physical strength.
  • the picture shows the patient being transferred from the bed by means of a sling lift.
  • the sling lift is suspended either on the rail mechanism attached to the ceiling or on the patient lift equipped with wheels.
  • Nursing workers have one of the highest risks of getting problems with the back.
  • Back pains are usually the result of strain caused by changing the position of heavy patients during treatment procedures or by transferring them of the bed to the wheelchair by means of which the patient is transferred to the shower or to the toilet or elsewhere for examinations and therapies. This applies equally the work of nurses and caregivers in hospitals and nursing homes and homes.
  • the picture shows an adjustable bed solution, in which the sleeping platform structure of the bed has been divided into two longitudinal sections.
  • the other side of the bed structure is pulled sideways out of the sleeping platform frame structure, after which it transforms into a wheelchair.
  • the adjustments of the wheelchair are made electronically.
  • the division of the sleeping platform into two sections is operationally problematic. Moving of the bed user unable to move him- or herself to the section of the sleeping platform structure transforming into a wheelchair, requires the help of the caregiver during the operation.
  • the sleeping platform structure of the bed can not be adjusted in the height direction or to the Trendelenburg and counter-Trendelenburg positions.
  • the picture shows an adjustable bed solution whose functional principle is the same as in the above-mentioned bed solution.
  • the sleeping platform structure of the bed has been divided into two longitudinal sections and three lateral sections, the middle of which transforms into a wheelchair.
  • the division of the sleeping platform structure into separate sections constitutes the same functional problem as described in connection of the previous picture, Figure 44 .
  • the backrest plate and foot plates of the bed can be adjusted upward when the user is in a lying position on the wheelchair section of the bed.
  • the electrically operated wheelchair structure is laterally moved out of the other structural sections of the bed structure , after which the foot and backrest plates are adjusted to the seating position.
  • the adjustable bed solutions in the pictures Fig. 44 and Fig.45 are suitable for use in, for example, nursing homes and rehabilitation centers and home care, where there is no need for more versatile adjustments of the bed.
  • the axonometric pictures show the bed solutions in which the wheelchairs are connected into the sleeping platform structures through the foot end of the beds.
  • the beds consist of two separate main structural parts - the U-shaped sleeping platform structures and the wheelchair structures positioned deep inside them.
  • the solid structured bed legs of the bed solutions in the figures Fig.46 and Fig.48 and the height-adjustable pedestal structure of the bed solution in the figure Fig.47 are placed under the sleeping platform structures of the beds.
  • the need for space reguired for the wheelchairs positioned between the solid structured bed legs and the height adjustable pedestal structure underneath the bedsides of the sleeping platform structures on the beds, has led to the U-shape of sleeping platform structures of these bed solutions.
  • the sleeping platforms of the beds are thus divided into three longitudinal structural and functional sections - to the sections located on the sides of the sleeping platform structures and to the middle section in between them where the wheelchairs are positioned.
  • the wheelchair structures When the wheelchair structures are adjusted to the reclining position they form the sleeping platforms together with the above-mentioned side sections of the beds.
  • the sitting position in these beds is possible only while sitting on the seat plate of the wheelchair in the middle section of the sleeping platform structure.
  • the location of the body of the bed user may change on the sleeping platform surface during a treatment operation or when the user has been turned to the side position.
  • the bed user's body When moving out of bed or from the reclining position to a sitting position, the bed user's body must be in the middle section of the sleeping structure of the bed, where the wheelchair is located. If the user of the bed can not move his or her body alone, the action requires the presence of the caregiver.
  • the adjustment properties of these bed solutions are very limited because of their structural and functional solutions.
  • the sleeping platform structure can be adjusted to the treatment height.
  • a mechanically adjustable backrest plate such as commonly used in the conventional beds, is attached to the sleeping platform structure of the bed solution in the figure Fig.48 .
  • a separate backrest plate is attached to the wheelchair structure when it is removed from the bed structure.
  • the common feature is the moving to and out of the bed by means of a wheelchair - in the present invention by means of the seat module (3a) - through the foot end of the bed.

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Claims (7)

  1. Solution de lit réglable pour une utilisation dans des salles de soins et de lits dans des hôpitaux, des centres de santé, des maisons de soins infirmiers, des centres de rééducation et des maisons, dans laquelle la structure de lit est constituée de la structure de cadre de plateforme de couchage (1) et de l'ossature de support réglable en hauteur pour la plaque de dossier du module de siège (2) qui y est fixé et du module de siège amovible (3a) intégré dans l'extrémité pied de la structure de lit, laquelle structure de cadre de plateforme de couchage (1) est supportée par la structure de socle réglable (4) placée sous la structure de cadre de plateforme de couchage (1) qui permet les réglages de la structure de lit, caractérisée en ce que la structure de socle réglable (4) est utilisée pour régler la position en hauteur de la structure de plateforme de couchage (1) et la position d'inclinaison longitudinale de la structure de cadre de plateforme de couchage (1), et la solution structurelle de la structure de socle réglable (4) est constituée de deux ensembles de bras de levier (6) parallèles qui sont reliés l'un à l'autre par l'intermédiaire des cylindres de rotation (7) équipés d'actionneurs de réglage qui déplacent les bras de levier (6), et lesquels ensembles de bras de levier (6) et les cylindres de rotation (7) sont supportés par une structure de pied en forme de U du socle (5).
  2. Solution de lit réglable selon la revendication 1, caractérisée en ce que, au niveau de l'extrémité pied de la structure de cadre de plateforme de couchage (1) où la structure de cadre du module de siège (3b) peut être ancrée, se trouve le mécanisme d'ancrage pour le module de siège (33) et les profilés de support et de guidage d'ancrage correspondants (52) sont placés sur les côtés de la structure de cadre du module de siège.
  3. Solution de lit réglable selon l'une quelconque des revendications précédentes, caractérisée en ce que, entre les mécanismes d'ancrage pour le module de siège (33) de la structure de cadre de plateforme de couchage (1) se trouve la poutre avant de la structure de cadre de plateforme de couchage (22) où est placé le mécanisme de verrouillage d'ancrage (34, 35) pour la structure de cadre du module de siège (3b).
  4. Solution de lit réglable selon l'une quelconque des revendications précédentes, caractérisée en ce que la plaque de dossier (15), la plaque de siège (16) et les plaques de pieds (17 et 18) du module de siège (3a) ainsi que la structure de cadre de plateforme de couchage (1) et l'ossature de support pour la plaque de dossier du module de siège (2) qui y est fixé forment la structure de plateforme de couchage du lit.
  5. Solution de lit réglable selon l'une quelconque des revendications précédentes, caractérisée en ce que sous la structure de cadre du module de siège (3b) se trouve le bogie moteur et de roue motrice du module de siège (31) qui permet le mouvement latéral du module de siège.
  6. Solution de lit réglable selon l'une quelconque des revendications précédentes, caractérisée en ce que les plaques de pieds du module de siège (17 et 18) sont réglables en hauteur et réglables dans la direction longitudinale de la structure de plateforme de couchage.
  7. Solution de lit réglable selon l'une quelconque des revendications précédentes, caractérisée en ce que les accoudoirs réglables du module de siège (20) sont fixés à la plaque de dossier du module de siège (15) et le commutateur de commande du module de siège (42) est relié à l'un d'eux.
EP18771079.3A 2017-03-22 2018-03-21 Solution de lit réglable Active EP3600205B1 (fr)

Applications Claiming Priority (2)

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FIU20170054U FI11701U1 (fi) 2017-03-22 2017-03-22 Säädettävä sänkyrakenne
PCT/FI2018/000007 WO2018172599A1 (fr) 2017-03-22 2018-03-21 Solution de lit réglable

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EP3600205A1 EP3600205A1 (fr) 2020-02-05
EP3600205A4 EP3600205A4 (fr) 2020-11-11
EP3600205C0 EP3600205C0 (fr) 2023-11-08
EP3600205B1 true EP3600205B1 (fr) 2023-11-08

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FI (1) FI11701U1 (fr)
WO (1) WO2018172599A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN109288318B (zh) * 2018-12-12 2021-09-28 龙岩学院 一种多功能婴儿床
FI129047B (fi) * 2019-06-27 2021-05-31 Juha Lehto Sängyn säädettävä jalustarakenne
CN111904739B (zh) * 2020-07-03 2021-09-10 武汉理工大学 一种辅助起床的养老床及其使用方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577279A (en) * 1990-05-16 1996-11-26 Hill-Rom Company, Inc. Hospital bed
JPH07106214B2 (ja) * 1991-12-29 1995-11-15 イオンシルバーパイオニア協同組合 車椅子嵌合式ベッド
JP2002345598A (ja) * 2001-05-22 2002-12-03 Murata Mach Ltd 肘掛け装置
CN101926715B (zh) * 2010-07-22 2011-12-07 洛阳圣瑞机电技术有限公司 分离式护理椅床
CN202288682U (zh) * 2011-10-26 2012-07-04 乔宏 一种翻身床
US9101518B2 (en) 2013-01-17 2015-08-11 Leonel E. Enriquez Impaired person care system and method
FR3006175B1 (fr) * 2013-05-28 2015-07-10 Edena Sas Lit avec un sommier articule pour une sortie du patient en pied de lit

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FI11701U1 (fi) 2017-06-21
EP3600205C0 (fr) 2023-11-08
EP3600205A4 (fr) 2020-11-11
WO2018172599A1 (fr) 2018-09-27
EP3600205A1 (fr) 2020-02-05

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