WO2023184008A1 - Transfer device with platform plate having two-sided functionality - Google Patents
Transfer device with platform plate having two-sided functionality Download PDFInfo
- Publication number
- WO2023184008A1 WO2023184008A1 PCT/CA2022/050485 CA2022050485W WO2023184008A1 WO 2023184008 A1 WO2023184008 A1 WO 2023184008A1 CA 2022050485 W CA2022050485 W CA 2022050485W WO 2023184008 A1 WO2023184008 A1 WO 2023184008A1
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- WO
- WIPO (PCT)
- Prior art keywords
- transfer
- transfer device
- platform
- platform plate
- transfer belt
- Prior art date
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Classifications
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- 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
- A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
- A61G7/103—Transfer boards
-
- 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
- A61G7/104—Devices carried or supported by
- A61G7/1046—Mobile bases, e.g. having wheels
- A61G7/1048—Mobile bases, e.g. having wheels having auxiliary drive means
-
- 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
- A61G7/1049—Attachment, suspending or supporting means for patients
- A61G7/1057—Supported platforms, frames or sheets for patient in lying position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1073—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultra-violet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- 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
- A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
- A61G7/1032—Endless belts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
- A61L2/186—Peroxide solutions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
Definitions
- This disclosure relates generally to devices and methods for transferring an object from a position on a first surface, onto a platform of the device, and then onto a second surface (or back to the first surface).
- a transfer device having a device body with a first end, a second end, a first side, and a second side.
- the transfer device also has a transfer platform including a platform plate and a platform lateral actuator.
- the platform lateral actuator is configured to selectively move the platform plate laterally relative to the device body, such that the platform plate can be moved between a plurality of positions including (i) a stowed position in which the platform plate is retracted relative to the device body, (ii) a first extended position in which a first transverse edge of the platform plate is a leading edge that extends outward from the first side of the device body, and (iii) a second extended position in which a second transverse edge of the platform plate is a leading edge that extends outward from the second side of the device body.
- the transfer device also has a transfer belt having a first end secured to a first driven roller, a second end secured to a second driven roller, the belt extending from the first driven roller, around the first transverse edge of the platform plate, above an upper surface of the platform plate, around the second transverse edge of the platform plate, and to the second driven roller.
- the transfer belt can make it possible to load an object onto the transfer platform and/or unload the object from the transfer platform without having to manually manipulate the object.
- the transfer platform of the transfer device can support two-sided functionality, which can be useful when moving an object such as a patient from a first surface onto the transfer platform and then onto a second surface. This is a notable improvement over transfer platforms which do not support two-sided functionality.
- the transfer belt is a first transfer belt and the transfer device also has a second transfer belt extending below a bottom surface of the platform plate on the first side of the device body, and a third transfer belt extending below a bottom surface of the platform plate on the second side of the device body.
- the second and third transfer belts can help avoid or mitigate friction between the first transfer belt and an upper surface holding or receiving the object.
- the transfer device has a locking mechanism to selectively detach and attach the second transfer belt and the third transfer belt from and to the platform plate.
- the second and third transfer belts can selectively attach and detach in order to enable the platform plate and the first transfer belt to dynamically cross-over- center from the first side of the device body to the second side of the device body, and vice-versa, even while there is a patient or object on top of the platform plate.
- the second and third transfer belts can also be detached for example for cleaning or maintenance purposes.
- Figure 1 is a perspective view of a transfer device, in accordance with an embodiment
- Figure 2 is a perspective view of the transfer device of Figure 1 with a transfer belt omitted for clarity;
- Figures 3A to 3C are schematics of the transfer device of Figure 1 showing a retracted position, a first extended position, and a second extended position;
- Figure 4 is a perspective view of another transfer device having a fixed base
- Figure 5 is a perspective view of the transfer device of Figure 1 with housing portions omitted for clarity;
- Figures 6A to 6G are a series of schematics illustrating the transfer device of Figure 1 being used to transfer a human from a gurney onto a bed of a medical imaging scanner;
- Figures 7A to 7E are a series of schematic illustrating another transfer device being used to transfer a human.
- Figure 8 is a perspective view of a transfer belt path of the transfer device of Figure 1 ;
- Figure 9 is a perspective view of the transfer device of Figure 8, with the transfer belt omitted for clarity;
- Figures 10 and 11 are top and side views of the transfer device of Figure 9;
- Figure 12A is a schematic view of a transfer belt path of the transfer device of Figure 1 ;
- Figure 12B is a schematic view of a transfer belt path of the transfer device of Figures 7A to 7E.
- Figure 13 is an end view of the transfer device of Figure 9;
- Figure 14 is an end view of the transfer device of Figure 9, with portions of support plates removed to show a belt tensioner assembly;
- FIGS 15A and 15B are perspective views of the belt tensioner assembly of Figure 14;
- FIGS 16A to 16C are partial section views of the belt tensioner assembly of Figure 14;
- Figure 17 is a perspective view of an outer side of an end drive assembly of the transfer device of Figure 9 with a motor assembly and drive belts omitted for clarity;
- Figure 18 is a perspective view of an inner side of the end drive assembly of Figure 17;
- Figures 19 and 20 are perspective views of a motor assembly for the end drive assembly of Figures 17 and 18;
- Figures 21 A to 21 D are schematics showing platform extension supports of a transfer device in accordance with another embodiment
- Figures 22A to 22F are schematics of a locking mechanism to selectively detach and attach second and third transfer belts.
- FIGS 23A to 23G are schematics of another locking mechanism to selectively detach and attach second and third transfer belts. Detailed Description of Embodiments
- FIG. 1 The drawings illustrate example embodiments of a transfer device 100, which can be used to move a human body (or other object) from a first location to a second location and/or to re-position the human body (or other object) on a surface.
- An overview of the transfer device 100 is provided in this section with reference Figures 1 to 5. It is to be understood at the outset that the transfer device 100 is shown with very specific features for exemplary purposes only. Other implementations are possible and are within the scope of the disclosure.
- the transfer device 100 has a device body having a first end 101 , a second end 102, a first side 113, and a second side 114.
- the transfer device 100 also has a transfer platform including a platform plate 210 and a platform lateral actuator (not shown).
- the transfer device 100 has a transfer belt 150 covering the platform plate 210 as shown in Figure 1 . Note that the transfer belt 150 has been removed from Figure 2 for clarity and to reveal the platform plate 210.
- the platform lateral actuator is configured to selectively move the platform plate 210 laterally relative to the device body, such that the platform plate 210 can be moved between a plurality of positions including (i) a stowed position in which the platform plate 210 is retracted relative to the device body, (ii) a first extended position in which a first transverse edge 213 of the platform plate 210 is a leading edge that extends outward from the first side 113 of the device body, and (iii) a second extended position in which a second transverse edge 224 of the platform plate 210 is a leading edge that extends outward from the second side 114 of the device body.
- FIG. 3A an example operation of the transfer device 100 is illustrated schematically, showing how a transfer platform 250 can be extended outward using the platform plate 210.
- the platform plate 210 In the position shown in Figure 3A (which may be referred to as a stowed position or as a retracted position), the platform plate 210 is positioned centrally within the device body 110.
- a transfer platform 250a has been extended out from the first side 113 of the device body 110.
- the transfer platform 250a may be extended out by the platform plate 210 being extended laterally outward by the platform lateral actuator.
- an transfer platform 250b has been extended out from the second side 114 of the device body 110.
- the transfer platform 250b may be extended out by the platform plate 210 being extended laterally outward by the platform lateral actuator.
- FIGS 3A to 3C illustrate how the transfer platform 250 and 250a-b of the transfer device 100 can support two-sided functionality, because the platform plate 210 can be extended out from the first side 113 and the second side 114 of the device body 110.
- This two-sided functionality can be useful when moving an object such as a patient from a first surface onto the transfer platform and then onto a second surface. This is a notable improvement over transfer platforms which do not support two-sided functionality.
- the transfer platform 250 and 250a-b is covered by the transfer belt 150, including when it is being extended outward from the device body 110 and retracted back towards the device body 110.
- the transfer belt can make it possible to load an object onto the transfer platform and/or unload the object from the transfer platform without having to manually manipulate the object.
- the transfer belt 150 is driven using one or more actuators such that, when the transfer platform 250 and 250a-b is being extended outward from the device body 110 or retracted back towards the device body 110, a top surface of the transfer belt 150 is not moving and excess slack in the transfer belt 150 is avoided or mitigated.
- the transfer belt 150 has a first end secured to a first driven roller, a second end secured to a second driven roller, such that the belt extends from the first driven roller, around the first transverse edge of the platform plate 210, above an upper surface of the platform plate 210, around the second transverse edge of the platform plate 210, and to the second driven roller.
- the transfer belt 150 is a first transfer belt
- the transfer device 100 also has a second transfer belt extending below a bottom surface of the platform plate 210 on the first side of the device body, and a third transfer belt extending below a bottom surface of the platform plate 210 on the second side of the device body.
- the second and third transfer belts can help avoid or mitigate friction between the first transfer belt and an upper surface holding or receiving the object.
- the transfer device 100 has a locking mechanism to selectively detach and attach the second and third transfer belts from and to the platform plate 210, in order to enable the platform plate 210 and first transfer belt 150 to dynamically cross-over-center from the first side 1 13 of the device body 110 to the second side 114 of the device body 110, and vice-versa, even while there is a patient or object on top of the platform plate 210.
- the second and third transfer belts can also be detached for example for cleaning or maintenance purposes. Further example details of the locking mechanism are provided later with reference to Figures 22A to 22F and Figures 23A to 23G.
- the transfer device 100 has a belt treatment system (not shown) which can be used to clean or sterilize the first transfer belt 150, the second transfer belt and/or the third transfer belt. Further example details of the belt treatment system are provided below.
- the transfer device 100 has a platform plate treatment system (not shown) which can be used to clean or sterilize the platform plate 210 of the transfer device 100. Further example details of the platform plate treatment are provided below.
- the device body 110 has a width WD and a height HD.
- the device body 110 can be supported above a floor service F by a distance Hfioor.
- the transfer platform 250a may be extended by an extended or cantilevered distance Dextendj from the first edge 113 of the device body 110, providing an overall platform width Wextendj .
- the transfer platform 250b may be extended by an extended or cantilevered distance Dextend_2 from the second edge 114 of the device body 110, providing an overall platform width Wextend .
- the extended distance Dextendj of transfer platform 250a is approximately equal to the width WD of the device body 110.
- the transfer device 100 has a nested drawer system and telescoping actuator (not shown) enabling further extension of the transfer platform 250 in the first and second extended positions, such that the platform plate 210 extends outward by a distance that is greater than the width of the device body by 10% to 110%.
- Enabling the transfer platform 250a-b to extend by more than the width of the device body 110 may have one or more advantages. For example, this may facilitate maneuvering the transfer device 100 through tight hallways, and/or may reduce the storage footprint of the transfer device when the transfer platform is retracted. This is made possible by the nested drawer system and telescoping actuator as noted above.
- a relatively narrow width WD can advantageously facilitate maneuvering the transfer device 100 and/or reduce its storage footprint.
- the device body 110 can have a wider non-cantilevered support surface to provide increased comfort and/or safety when transporting a patient between locations by moving the transfer device 100 across a floor surface.
- the transfer device 100 has a support structure 188 configurable to adjust a height of the device body 110 above the floor surface F and/or an angle of the device body 110.
- the support structure 188 can adjust height and tilt of the device body 110 in both the long and short axis.
- the support structure 188 has actuators coupled to a transfer device controller for controlling the height and/or the tilt of the device body 110. This can allow for changes in an angle of approach of the transfer platform in advance of or during transfer in order to reduce reactionary forces on the device, reduce the pressure applied to the patient (or object) being transferred or allow for medically advantageous positions when a patient is on the transfer platform such as Trendelenburg or reverse Trendelenburg position.
- the actuation of these support actuators may be controlled by a main transfer device controller or separately by its own controller and operate in parallel through electronic communication with the transfer controller.
- the transfer device 100 has a base 120 that includes wheels 125 for assisting in translating the transfer device 100 across a floor surface. Some or all of the wheels 125 can be driven by a motor, such that the transfer device 100 is able to transport itself across the floor surface. However, it will be appreciated that the wheels 125 are optional. In other implementations, the transfer device 100 is not configured for easy mobility across a floor service. For example, with reference to Figure 4, the transfer device 100 can have a fixed base 120 with no wheels 125. Such implementations may be advantageous if the transfer device 100 is not intended to be moved during normal operation. For example, the transfer device 100 may be in a fixed position adjacent a bed of a CT or MRI machine.
- the transfer device 100 has at least one control panel coupled to the transfer device controller to allow a user to operate the transfer device 100.
- the transfer device 100 has two control panels 190a-b, including one control panel 190a at the first end 101 of the device body 110, and another control panel 190b at the second end 102 of transfer device 100. It will be appreciated that, in other implementations, there may be only one control panel. Alternatively, or additionally, the transfer device 100 may be configured to be controlled from a remote device (e.g.
- a mobile computing device such as a tablet or laptop computer, or a control panel positioned elsewhere in a room in which the transfer device is positioned, or in an adjacent room), in which case the transfer device 100 could have no control panel.
- the transfer device 100 has a transfer device controller (not shown), which can control one or more actuators (e.g. motors) such as the platform lateral actuator of the platform plate 210 to extended or retract the transfer platform 250 and 250a-b.
- the first driven roller and the second driven roller for the transfer belt 150 are operably coupled to the transfer device controller, and the transfer device controller is configured to selectively actuate the first driven roller and the second driven roller concurrently or separately from each other. In this way, the transfer device controller can control slack of the transfer belt 150.
- the transfer device controller can also control the belt treatment system and/or the platform plate treatment system .
- the transfer device controller is coupled to one or more sensors of the transfer device 100, and utilizes data from the sensors when operating the transfer device 100.
- the controller synchronizes and directly controls the transfer device 100 with its subsystems, provides feedback to the user in regards to a state of the transfer device 100, and uses the state it is monitoring in order to provide safe operation (e.g. shutting the system down automatically if the transfer device 100 is operating in an unsafe manner).
- the transfer device controller is a single controller (e.g. single microcontroller) configured to handle all controllable subsystems of the transfer device 100.
- the transfer device controller includes multiple controllers (e.g. separate microcontrollers) for handling the controllable subsystems of the transfer device 100.
- the term “transfer device controller” covers one or more controllers (e.g. one or more microcontrollers). The purpose for utilizing more than one controller may be to reduce sensor transmission lengths, increase redundancy and/or locate the controllers advantageously, physically within the transfer device 100 to reduce latency. Multiple controllers may also be utilized due to practical limitations of current state of the art controllers (e.g. number of available General Purpose Input Outputs). For example, a first controller may be placed on the first end 101 and a second controller may be placed the second end 102 to capture signals from sensors mounted on each end independently.
- controllable subsystems of the transfer device 100 There are many possibilities for the controllable subsystems of the transfer device 100. As described herein, some possibilities for the controllable subsystems can include platform lateral actuator(s), driven roller(s) for transfer belt(s), a belt treatment system, and/or a platform plate treatment system. Additional or other controllable subsystems may be possible.
- the one or more actuators controlled by the transfer device controller are powered via a battery, which can help to enable the transfer device 100 to be portable.
- a battery pack 130 can supply power to the transfer device controller, actuators (e.g. motors), etc. of the transfer device 100.
- a battery pack may not be provided, and transfer device 100 may be connected to an external source of electrical power.
- the examples described herein generally focus on the transfer device 100 having a transfer device controller, which is configured to control the transfer platform, and optionally provides additional functionality as described herein.
- the transfer device 100 can be implemented without any transfer device controller.
- the transfer device 100 could be entirely analogue and designed to function without a device controller.
- Example operation of the transfer device 100 in transferring a human body from a first surface to a second surface will now be described with reference to Figures 6A to 6G.
- the operation will be described in connection with the transfer device 100 transferring a human body 10 from a gurney 20 to a bed 30 (e.g. a bed associated with a medical imaging device, such as CT or MRI scanner).
- a bed 30 e.g. a bed associated with a medical imaging device, such as CT or MRI scanner.
- the transfer device 100 may be used to transfer a human body (or other object) off of and on to any raised surface in substantially the same manner.
- the transfer device 100 is positioned between the gurney 20 with the human body to be transferred and the bed 30, e.g. in the position shown in Figure 6A, with the leading edge of the platform plate at a similar elevation to the surface of the gurney 20 on which the human body 10 is supported.
- the transfer platform 100 may be supported by a wheeled base 120 as shown in Figures 1 and 2.
- platform lateral actuators e.g. platform drive pinions 382 as described later, not shown in Figures 6A-G
- the transfer platform 250 may be extended until at least a portion of the transfer platform 250 is positioned below the human body 10 (and preferably completely between the surface of the gurney 20 and the human body 10), with a portion of the transfer belt 150 positioned between the transfer platform 250 and the human body 10.
- the motion of transfer platform 250 and/or the transfer belt 150 is controlled to provide limited (or zero) relative motion between an upper surface of transfer platform 250 (i.e. the transfer belt 150) and the human body 10 during some or all of the transfer.
- the transfer platform 250 can be extended outward and under the human body 10 as shown in Figures 6B to 6D without having to lift the human body 10 or roll the human body 10 onto the transfer platform 250.
- a lower surface of a guard layer may be in contact with the surface of the gurney 20 supporting the human body 10 before and during the transfer.
- the supporting surface 20 may be displaced and/or compressed by the transfer platform 250, e.g. to reduce force on the human body 10, particularly when the transfer platform 250 is being extended outward and under the human body 10 as shown in Figures 6B to 6D.
- the transfer belt 150 to enable limited relative motion between the upper surface of transfer platform 250 (i.e. the transfer belt 150) and the human body 10 while the transfer platform 250 is being extended outward from the transfer device 100 (i.e. Figures 6B to 6D), there is relative motion between the transfer belt 150 and the surface of the gurney 20.
- the transfer belt 150 is pushing outward on the surface of the gurney 20.
- the surface of the gurney 20 can include a low friction bed sheet to enable the movement of the transfer belt 150.
- the transfer belt 150 may be made of a low friction material designed to perform such patient moving operations.
- a low friction belt material may be silicone or Polytetrafluoroethylene (PTFE) coated nylon or polyester fabrics.
- driven rollers may be controlled to take-up slack in the transfer belt 150 during the extension and/or retraction of the transfer platform 250.
- tension in transfer belt 150 may be controlled throughout the transfer process by monitoring one or more of the following exemplary sensors: current from motor drivers, compression distance of a tensioner (e.g. tensioner 900 as described later, not shown in Figures 6A to 6G), strain sensors (not shown) embedded into the transfer belt 150, and/or other suitable sensors.
- the driven rollers are then actuated to convey the human body 10 along upper surfaces of the transfer platform 250.
- this may be achieved by ‘winding’ one driven roller while concurrently ‘unwinding’ the other driven roller to advance the upper surface of the transfer belt 150 towards the opposite side of the transfer device 100 in an actively controlled manner.
- the transfer platform 250 While the human body 10 is being moved from the gurney 20 towards the transfer device 100 ( Figures 6D to 6E), if the transfer platform 250 is not being retracted towards the transfer device 100, then the transfer belt 150 continues to push outward on the surface of the gurney 20. Again, to reduce or mitigate friction between the transfer belt 150 and the surface of the gurney 20, the surface of the gurney 20 can include a low friction bed sheet to enable the movement of the transfer belt 150. Again, alternatively the transfer belt 150 may be comprised of a low friction textile. Although not depicted, in another implementation, the transfer platform 250 is retracted towards the transfer device 100 at the same time as the human body 10is being moved from the gurney 20 towards the transfer device 100.
- the human body 10 may then be transferred to the bed 30.
- transfer device 100 may be controlled to laterally shift transfer platform 250 to a position overlying bed 30 while controlling transfer belt 150 to maintain the human body 10 above the transfer device 100, and then transfer belt 150 may be controlled to advance patient towards the bed 30.
- the transfer device 100 may be controlled to laterally shift the transfer platform 250 to a position overlying bed 30 while concurrently controlling transfer belt 150 to maintain the human body 10 above the advancing end of the transfer platform, until the human body 10 and the transfer platform 250 overlie the bed 30.
- platform lateral actuators e.g. platform drive pinions 382
- the transfer platform 250 may be shifted laterally until clear of the patient, at which point the transfer platform 250 may be in a stowed position within the device body 110.
- the transfer platform 250 is supported vertically by a surface onto which an object is to be transferred using the transfer platform 250, or a surface from which an object to be transferred is resting.
- the transfer platform 250 receives vertical support from the gurney 20 ( Figures 6B-6E) and the bed 30 ( Figure 6F).
- the transfer device 100 has a second transfer belt (not shown) extending below a bottom surface of the transfer platform 250 when the transfer platform 250 is extended outward, such that the second transfer belt provides limited or zero relative motion between the bottom surface of the transfer platform 250 and the surface of the gurney 20.
- a second transfer belt (not shown) extending below a bottom surface of the transfer platform 250 when the transfer platform 250 is extended outward, such that the second transfer belt provides limited or zero relative motion between the bottom surface of the transfer platform 250 and the surface of the gurney 20.
- FIG. 7A to 7E shown is another transfer device 200 transferring the human body 10 from the gurney 20 to the bed 30.
- the transfer device 200 of Figures 7A to 7E is similar to the transfer device 100 of Figures 6A to 6G, but includes lower guard belts 170a-b, including a second transfer belt 170a shown on the left side and a third transfer belt 170b shown on the right side, in addition to the first transfer belt 150 on top.
- the third transfer belt 170b provides limited or zero relative motion between the bottom surface of the transfer platform 250 and the surface of the gurney 20.
- the third transfer belt 170b provides limited or zero relative motion between the bottom surface of the transfer platform 250 and the surface of the gurney 20.
- the second transfer belt 170a operates substantially in the same way as the third transfer belt 170b but on the other side of the transfer device 200.
- Figures 7A to 7E demonstrate the operation of the transfer device 200 where the lower guard belts 170a-b have been routed in such a way that extension of the platform also draws out lower guard material from within the middle of the platform to create a lower no-shear surface simultaneously along with the upper surface.
- the first transfer belt 150 interacts with the patient at rest and the lower guard belts 170a- b interact with the patient’s support surface.
- Each transfer belt 150 and 170a-b is operatively terminated such that when the transfer platform extends, the transfer belts 150 and 170a-b are drawn out from the centra cavity of the platform only, thereby unrolling under the patient and creating zero shear or relative velocity to the support surface or patient at rest.
- One or more of the transfer belts 150 and 170a-b may be comprised of a low friction material in order to reduce forces on the object being transferred, relative friction between the transfer belt 150 and the lower guard belts 170a-b, in addition to reducing reaction forces back to the transfer device 100 due to friction occurring during the act of transfer.
- the embodiments disclosed herein are described specifically in relation to and in use with transferring a human body (e.g. an individual with reduced, limited, or no mobility, an able bodied individual, an unconscious individual, an incapacitated individual, etc.), it will be appreciated that the embodiments disclosed herein may additionally or alternatively be used to transfer other objects, such as those that may be bulky, cumbersome, delicate, and/or difficult to grasp and move.
- the embodiments disclosed herein may be suited and/or adapted for use to transfer livestock or domestic animals, undomesticated animals (e.g. in a zoo or wildlife care facility), human corpses (e.g. in a funeral home of a mortuary), inanimate objects (e.g. in courier, cargo, and/or logistical operations), and the like. Details
- Example implementation details of the transfer device 100 are provided in this section with reference to Figures 8 to 21 D. It is to be understood at the outset that the transfer device 100 is shown in the Figures with very specific features for exemplary purposes only. Other implementations are possible and are within the scope of the disclosure.
- the transfer device 100 includes a first end drive assembly 300a on a first end 111 corresponding to the first end 101 shown in Figures 1 and 2, and a second end drive assembly 300b on a second end 112 corresponding to the second end 102 shown in Figures 1 and 2.
- These end drive assemblies 300a-b are connected to each other by lateral support members, such that the end drive assemblies 300a-b are on opposite ends of the transfer device 100.
- Figure 9 shows the transfer device 100 without the transfer belt 150 thereby revealing the platform plate 210.
- Figures 10 and 11 are top and side views of the transfer device of Figure 9.
- the end drive assemblies 300a-b are shown.
- the transfer belt 150 has a fixed length, and a first end of the transfer belt 150 is secured to a first driven roller 160a, and a second end of the transfer belt 150 is secured to a second driven roller 160b. Accordingly, the transfer belt 150 may be characterized as a discontinuous belt 150.
- Utilizing a discontinuous transfer belt 150 may have one or more advantages. For example, this may facilitate the removal and/or replacement of the transfer belt 150 (e.g. by removing a driven roller with the transfer belt attached). This may result in the transfer device 100 being relatively easy to clean and/or maintain, which may result in reduced downtime. This may be of particular importance in use cases where crosscontamination is of concern (e.g. in hospitals, care homes, etc.).
- using a discontinuous belt with driven rollers on both ends may also have a mechanical advantage, in that the transfer belt’s tension can be controlled from both ends of the belt. For example, this may assist in providing a desired tension level, and/or a desired level of ‘slack’ (or a lack thereof) in transfer belt 150.
- the transfer belt 150 extends from the first driven roller 160a and passes around a tensioner 165a. From there, the transfer belt 150 extends around a roller 440a, the first transverse edge 213 of the platform plate 210, along the upper surface 216 of the platform plate 210, and around the second transverse edge 224 of the platform plate 210. The transfer belt 150 then passes around a roller 440d, a tensioner 165b, and terminates at the second driven roller 160b.
- the transfer belt 150 is guided around two passive (i.e. non-driven) rollers 165a and 165b to maintain tension and to avoid potentially interfering interactions with other components located within the housing (e.g. control systems, motors and motor drivers, gears, and the like). It will be appreciated that fewer, more, or no tensioners 165a and 165b may be provided in alternative implementations.
- Figure 13 illustrates an example implementation of the first end drive assembly 300a.
- the end drive assemblies 300a and 300b are provided at the ends 101 and 102 of the transfer device 100.
- the end drive assemblies 300a and 300b are substantially mirror images of each other, and are preferably operated in concert with each other to control opposite ends of the transfer platform 250, the transfer belt 150, optional guard layer(s) 155a and 155b, etc. substantially simultaneously.
- the end drive assembly 300a, first and second belt drive sprockets 320a and 320d are driven by motors 390a and 390d, respectively.
- the belt drive sprockets 320a and 320d are connected to transfer belt roller sprockets 360a and 360b by drive belts 361 a and 361 b, respectively.
- Rotation of the transfer belt roller sprockets 360a and 360b results in rotation of the transfer belt rollers 165a and 165b, respectively.
- tension idlers 322a and 322b are also provided to control the tension of drive belts 361 a and 361 b, respectively. It will be appreciated that the tension idlers 322a and 322b are optional.
- platform drive sprockets 320b and 320c which are driven by motors 390b and 390c, respectively.
- the platform drive sprocket 320b is connected via a drive belt 371 a to a first series of segment drive sprockets 380a and 380b.
- the platform drive sprocket 320c is connected via a drive belt 371 b to a second series of segment drive sprockets 380c and 380d.
- Idlers 323a and 323b are provided in order to control tension on the drive belt 371 a
- idlers 323c and 323d are provided in order to control tension on the drive belt 371 b.
- a belt tensioner assembly 900 may be positioned between structural plates of an end drive assembly 300a-b (discussed further below).
- the belt tensioner assembly 900 includes a first frame member 910 secured in fixed relation to a second frame member 920 by shafts 940a and 940b.
- a movable frame member 930 can translate along shafts 940a and 940b.
- a linear displacement sensor 990 is attached to provide an output signal based on the relative position of the movable frame member 930.
- the movable frame member 930 is biased towards second frame member 920.
- this bias is applied by first springs 951 and second springs 952 arranged in series, where the first and second springs have different stiffnesses or spring rates.
- first springs 951 and second springs 952 arranged in series, where the first and second springs have different stiffnesses or spring rates.
- An advantage of this design is that it may allow the linear displacement sensor 990 to provide a high resolution signal both at relatively low transfer belt tensions (e.g. when no objects are in contact with transfer belt 150 and/or transfer platform 250), and at relatively high transfer belt tensions (e.g. when a patient is being transferred on the transfer platform 250).
- each tensioner 165a and 165b is passively sprung.
- each tensioner 165a and 165b may be actively actuated, e.g. by providing a linear actuator instead of, or in addition to, one or more passive springs.
- each tensioner 165a and 165b may be actively dampened, e.g. using ferro- dampening fluids or the like.
- the relative position of each tensioner 165a and 165b may be determined by a positioning sensor (not shown) such as a Time of Flight (TOF) or linear potentiometer, for example. This determined tensioner position may be used e.g. by the transfer device controller to measure and/or infer tension within the transfer belt 150.
- TOF Time of Flight
- linear potentiometer linear potentiometer
- each driven roller 160a and 160b is driven using a corresponding motor.
- any suitable motor type e.g. stepper motors, DC or AC motors, brushless DC (BLDC) motors, pneumatic rotary motors, direct electrical motors, and the like
- BLDC brushless DC
- other gearing e.g. two or more stages, planetary gearing
- corresponding motors or actuators may be driven independently or synchronously to suit the required function(s).
- the transfer belt 150 passes around the first transverse edge 213 of the platform plate 210 and around the second transverse edge 224 of platform plate 210.
- some or all of the first and second transverse edges 213 and 224 may be provided with one or more friction-reducing features.
- a number of rollers 255 are positioned along the second transverse edge 224 of the platform plate 210.
- some or all surfaces proximate the first and second transverse edges 213 and 224 may be made from a low-friction material (e.g.
- PTFE Polytetrafluoroethylene
- UHMW PE Ultra High Molecular Weight Polyethylene
- friction may be reduced via a controlled application of compressed air, one or more lubricants, captive ball bearings, or other suitable systems.
- a first guard layer 155a may be formed from a textile and/or flexible material with a first end 156a secured to the platform plate 210, and a second end 157a secured to a take-up roller 158a, which may be spring-biased and/or actively driven to take up the first guard layer 155a as the transfer platform 250b moves towards a retracted position.
- the first guard layer 155a passes over guide member 159a, which is secured to the end drive assembly 300a, such that guard layer 155a remains proximate the underside of the transfer platform 250a when the transfer platform 250a is in an extended position.
- a second guard layer 155b has a first end 156b secured to the platform plate 210, and a second end 157b secured to a take-up roller 158b, which may be substantially similar to the take-up roller 158a.
- the flexible guard layers 155a and 155b may be formed from a low-friction material, e.g. Polytetrafluoroethylene (PTFE), Polyam ides, Graphite, Acetol, Ultra High Molecular Weight Polyethylene (UHMW PE), and the like.
- PTFE Polytetrafluoroethylene
- UHMW PE Ultra High Molecular Weight Polyethylene
- FIG. 12B shown is a schematic view of a transfer belt path of the transfer device of Figures 7A to 7E.
- An end drive assembly 300c has a belt path for the first transfer belt 150 that is similar to what is shown in Figure 12A.
- the transfer belt 150 extends from the first roller 160a around idler 165a, around a top surface of the transfer platform, around idler 165b, and onto a second roller 160b.
- the first transfer belt 150 is not routed between the shafts 440a and 440b and the shafts 440c and 440d.
- the second transfer belt 170a extends from roller 158a, and the third transfer belt 170b extends from roller 158b.
- the second transfer belt 170a and the third transfer belt 170b are both passive (e.g. spring loaded, using multi-rotation torsion springs) and are not connected to any actuator or device controller.
- the second transfer belt 170a and the third transfer belt 170b are coupled to actuators that are operably coupled to the transfer device controller.
- Figure 17 is a perspective view of an outer side of an end drive assembly 300a of the transfer device 100 of Figure 9 with a motor assembly and drive belts omitted for clarity.
- Figure 18 illustrates an inner side of the end drive assembly 300a.
- platform drive pinions 382a-d are provided at an upper end of the platform. These drive pinions 382a-d are connected to segment drive sprockets 380a-d, respectively (see e.g. Figure 13).
- FIG. 19 and 20 illustrate an example of a motor hub assembly 380.
- a motor baseplate 315 supports motors 390a-d.
- Two of the motors 390a and 390d are connected to the belt drive sprockets 320a and 320d and via one or more linear driveshafts, and two of the motors 390b and 390c are connected to the platform drive sprockets 320b and 320c in a similar manner. Also, the tension idlers 322a and 322b are illustrated as being mounted on the motor base plate 315.
- Enabling the motor hub assembly 380 to be modular may have one or more advantages. For example, allowing an entire set of motors and drive wheels to be ‘swapped out’ may facilitate easier maintenance and/or service of the transfer device 100, which may lead to reduced downtime of the transfer device 100.
- the transfer platform 250 is supported by the device body 110 when in a retracted position, and are cantilevered from the device body 110 when extended (partially or fully).
- the platform plate 210 is supported by the rollers 440a-d when in a retracted position.
- Figures 21 A to 21 D illustrate an example embodiment of the transfer device 100 that includes platform extension supports 570a-b that can be used to increase the width of the supported (i.e. non-cantilevered) surface.
- Such a design may have one or more advantages. For example, it may provide increased patient comfort and or safety when using the transfer device 100 to move a patient resting on the platform from one room to another.
- a first platform extension support 570a extends outwardly from the first side 113 of the device body 1 10, and a second platform extension support 570b extends outwardly from the second side 114 of the device body 110.
- each platform extension support 570a-b is supported by one or more support arms 575.
- the support arms 575 are connected to the device body 110 below their respective platform extension supports 570, and provide vertical support for the platform extension supports 570 and the transfer platforms 250 resting thereon.
- each platform extension support 570a-b is pivotally connected to the device body 110 (e.g. using a hinge or other suitable connection) and each support arm 575 is pivotally connected to the device body 110 and releasably securable to the platform extension support 570a-b.
- An advantage of this design is that the platforms extension supports 570a-b can be folded inwardly when not needed, for example as shown in Figures 21 B and 21 D, to provide a smaller storage footprint for the transfer device 100.
- the platform extension supports 570a-b are generally rectangular planar support surfaces. It will be appreciated that in one or more alternative implementations, platform extension supports may be of different shapes and/or may have different surface features. For example, one or more rollers may be provided on an upper surface of a platform extension support.
- the platform extension supports 570a-b may be manually moved between the positions shown in Figures 21 A and 21 C, and the positions shown in Figures 21 B and 21 D.
- one or more platform extension support actuators may be provided to extend and/or retract platform extension supports automatically, e.g. via a control system of the transfer device 100.
- FIGS 22A to 22F shown are schematics of a locking mechanism to selectively detach the second and third transfer belts.
- a main purpose for selectively detaching the second and third transfer belts is to enable the platform plate 210 and first transfer belt 150 to dynamically cross-over-center from the first side 113 of the device body 110 to the second side 114 of the device body 110, and vice-versa, even while there is a patient or object on top of the platform plate 210.
- Figures 22A to 22F focus on a locking mechanism on the second side 114 of the device body 110 for the third transfer belt 170b, it is noted that there would be a corresponding locking mechanism on the first side 113 of the device body 110 for the second transfer belt 170a.
- the second transverse edge 224 of the platform plate 210 includes a detachable member 225 for the third transfer belt 170b.
- the second transverse edge 224 has rollers 224a over which the first transfer belt 150 can move whilst mitigating friction
- the detachable member 225 likewise has rollers 225a over which the third transfer belt 170b can move whilst mitigating friction.
- each end of the detachable member 225 selectively attaches to the second transverse edge 224 of the platform plate 210 using a dovetail joint 228.
- the dovetail joint 228 can be tapered such that the detachable member 225 can slide off in only one direction which occurs when the platform plate 210 crosses over from being centered in the device body 110 (see Figure 22C) to the first side 113 of the device body 110 (see Figure 22E).
- Other attachment means are possible.
- each end of the detachable member 225 has a spring-loaded magnet 226 that generally has two states: a first state shown in Figure 22B in which the spring-loaded magnet 226 is pushed by a spring into a corresponding hole in the platform plate 210 while the detachable member 225 is fixed to the second transverse edge 224, and a second state shown in Figures 22D and 22F in which the spring-loaded magnet 226 is pulled down by magnetic force into a recess 227 while the platform plate 210 is either centered in the device body 110 (see Figure 22D) or has crossed over to the first side 113 of the device body 110 (see Figure 22F).
- the spring-loaded magnet 226 can help to ensure that the detachable member 225 remains fixed to the device body 110 when the detachable member 225 becomes detached from the platform plate 210.
- Figures 23A to 23G shown are schematics of another locking mechanism to selectively detach second and third transfer belts.
- Figures 23A to 23G illustrate an implementation which is entirely mechanical without any magnets.
- Figures 23A to 23G focus on a locking mechanism on the first side 113 of the device body 110 for the second transfer belt 170a, it is noted that there would be a corresponding locking mechanism on the second side 114 of the device body 110 for the third transfer belt 170b.
- the first transverse edge 213 of the platform plate 210 includes a detachable member 214 for the second transfer belt 170a.
- the first transverse edge 213 has rollers 213a over which the first transfer belt 150 can move whilst mitigating friction
- the detachable member 214 likewise has rollers 214a over which the second transfer belt 170a can move whilst mitigating friction.
- each end of the detachable member 214 selectively attaches to the first transverse edge 213 of the platform plate 210 using a dovetail joint 218.
- the dovetail joint 218 can be tapered such that the detachable member 214 can slide off in only one direction which occurs when the platform plate 210 crosses over from being centered in the device body 110 (see Figure 23C) to the second side 114 of the device body 110 (see Figure 23D).
- Other attachment means are possible.
- each end of the detachable member 214 can be selectively attached to the device body 110 using another dovetail joint 219.
- the dovetail joint 219 can be tapered such that the detachable member 214 can slide off in only one direction which occurs when the platform plate 210 crosses over from being centered in the device body 110 (see Figure 23C) to the first side 113 of the device body 1 10 (see Figure 23B).
- the dovetail joint 219 can help to ensure that the detachable member 214 remains fixed to the device body 110 when the detachable member 214 becomes detached from the platform plate 210.
- each end of the detachable member 214 has a pin 217 that can mechanically pivot into and out of a corresponding slot of the first transverse edge 213. This can help to secure the detachable member 214 to the first transverse edge 213.
- a first locking mechanism configured to selectively attach the second transfer belt 170a to the first transverse edge 213 of the platform plate 210 for the first extended position and to selectively detach the second transfer belt 170a from the platform plate 210 for the second extended position
- a second locking mechanism configured to selectively attach the third transfer belt 170b to the second transverse edge 224 of the platform plate 210 for the second extended position and to selectively detach the third transfer belt 170b from the platform plate 210 for the first extended position.
- the transfer device 100 includes one or more transfer belt treatment systems for applying a cleaning and/or disinfecting treatment to the first transfer belt 150 and/or the second and third transfer belts 170a-b.
- an ultraviolet (UV) light emitter (not shown) may be positioned within the device housing to continuously or selectively emit UV light towards an upper surface of the transfer belt 150, or both an upper surface and a lower surface of the transfer belt 150 as it passes by the emitter.
- UV light emitter may be positioned within the device housing to continuously or selectively emit UV light towards an upper surface of the transfer belt 150, or both an upper surface and a lower surface of the transfer belt 150 as it passes by the emitter.
- UV light emitter may be positioned within the device housing to continuously or selectively emit UV light towards an upper surface of the transfer belt 150, or both an upper surface and a lower surface of the transfer belt 150 as it passes by the emitter.
- Such a configuration may be characterized as an ultraviolet germicidal irradiation system .
- a fluid chamber (not shown) may be defined within the housing interior, and a fluid agitator (e.g. an ultrasonic agitator) may be provided to continuously or selectively agitate a fluid as the transfer belt 150 passes through the fluid chamber.
- a fluid agitator e.g. an ultrasonic agitator
- Such a configuration may be characterized as a fluid agitation system or as an ultrasonic bath system.
- a brush, sponge, microfiber, or other material may be positioned within the housing and in contact with a surface of the transfer belt 150, such that when the transfer belt is advanced or retracted, dirt or debris may be removed from an upper surface of the transfer belt 150, or both an upper surface and a lower surface of the transfer belt 150.
- a reservoir of a cleaning and/or disinfectant fluid e.g. alcohol, peroxide, bleach, etc.
- a cleaning and/or disinfectant fluid may also be provided, for dispensing cleaning and/or disinfectant fluid onto the brush, sponge, microfiber, or other material, and/or directly onto the transfer belt 150.
- fluid-proofing or at least increased ingress protection may be required for fluidsensitive parts of the device (e.g. electronics).
- the transfer belt treatment system is operably coupled to the transfer device controller, and the transfer device controller is configured to selectively actuate one or more of the UV light emitter, the fluid emitter, and the fluid agitator concurrently or separately from each other.
- a manual actuator e.g. a depressible button
- the transfer belt treatment system may provide one or more treatment agents (e.g. UV light, disinfectant fluid, ultrasonic bath agitation) to the transfer belt 150.
- the UV light emitter may be configured such that, in response to depression of the manual actuator, it emits UV light for a pre-set period of time (e.g. 10 seconds, 30 minutes), which may be selected based on e.g. the decontamination level required, a distance of the emitterfrom belt 150, the intensity of light emitted by the emitter, and/or other factors known to those in the art.
- the agitator may be configured such that, in response to depression of the manual actuator, it agitates fluid in the chamber for a pre-set period of time (e.g. 10 seconds, 30 minutes), which may be selected based on e.g. the decontamination level required, composition of fluid within the chamber, and/or other factors known to those in the art.
- the transfer belt treatment system may be configured such that one or more treatment agents (e.g. UV light, disinfectant fluid, ultrasonic agitation) are provided at pre-set intervals (e.g. following every transfer operation, every 24 hours) without requiring manual actuation, and/or at a preset time after a transfer operation has been performed.
- the platform plate treatment system can include a UV light emitter configured to direct UV light towards at least an upper surface of the platform plate 210, a fluid emitter configured to direct at least one of a cleaning fluid and a disinfectant fluid towards at least the upper surface of the platform plate 210, and/or a fluid agitator configured to agitate fluid in a fluid chamber through which the platform plate 210 is configured to pass.
- the transfer device controller is operatively coupled to the platform plate treatment system, and the transfer device controller is configured to selectively actuate one or more of the UV light emitter, the fluid emitter, and the fluid agitator concurrently or separately from each other.
- the platform plate treatment system is operatively coupled to the transfer device controller, and wherein the transfer device controller is configured to selectively actuate one or more of the UV light emitter, the fluid emitter, and the fluid agitator concurrently or separately from each other.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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PCT/CA2022/050485 WO2023184008A1 (en) | 2022-03-30 | 2022-03-30 | Transfer device with platform plate having two-sided functionality |
AU2022449916A AU2022449916A1 (en) | 2022-03-30 | 2022-03-30 | Transfer device with platform plate having two-sided functionality |
CA3194531A CA3194531A1 (en) | 2022-03-30 | 2023-03-29 | Transfer device with platform plate having two-sided functionality and treatment system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CA2022/050485 WO2023184008A1 (en) | 2022-03-30 | 2022-03-30 | Transfer device with platform plate having two-sided functionality |
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WO2023184008A1 true WO2023184008A1 (en) | 2023-10-05 |
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PCT/CA2022/050485 WO2023184008A1 (en) | 2022-03-30 | 2022-03-30 | Transfer device with platform plate having two-sided functionality |
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AU (1) | AU2022449916A1 (en) |
WO (1) | WO2023184008A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3493979A (en) * | 1968-02-14 | 1970-02-10 | Advance Products Corp Of Ameri | Method and apparatus for moving objects |
WO2003070143A2 (en) * | 2002-02-18 | 2003-08-28 | Dane Industries | Patient transfer and transport device |
WO2009023175A1 (en) * | 2007-08-13 | 2009-02-19 | Conmedisys, Inc. | Table and slide assemblies for patient transfer device |
WO2021072547A1 (en) * | 2019-10-18 | 2021-04-22 | Able Innovations Inc. | Devices and methods for transferring an object |
WO2022150915A1 (en) * | 2021-01-12 | 2022-07-21 | Able Innovations Inc. | Devices and methods for transferring an object |
-
2022
- 2022-03-30 AU AU2022449916A patent/AU2022449916A1/en active Pending
- 2022-03-30 WO PCT/CA2022/050485 patent/WO2023184008A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3493979A (en) * | 1968-02-14 | 1970-02-10 | Advance Products Corp Of Ameri | Method and apparatus for moving objects |
WO2003070143A2 (en) * | 2002-02-18 | 2003-08-28 | Dane Industries | Patient transfer and transport device |
WO2009023175A1 (en) * | 2007-08-13 | 2009-02-19 | Conmedisys, Inc. | Table and slide assemblies for patient transfer device |
WO2021072547A1 (en) * | 2019-10-18 | 2021-04-22 | Able Innovations Inc. | Devices and methods for transferring an object |
WO2022150915A1 (en) * | 2021-01-12 | 2022-07-21 | Able Innovations Inc. | Devices and methods for transferring an object |
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