TREATMENT CHAIR AND METHODS
A chair having a seat cushion with a seating surface. The chair has a frame to support the seat cushion. The chair also has a backrest. The backrest has a backrest with a lower end adjacent to the seat cushion. The lower end of the backrest can also be supported by the frame. The backrest and the seat cushion configured to support the weight of a user. An armrest located adjacent to the seat cushion, the armrest coupled to the frame for pivotal motion relative to the frame, the armrest configured to pivot in a substantially horizontal plane.
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Embodiments of the present invention relate to U.S. provisional application No. 61/013,614, filed Dec. 13, 2007, entitled “Reclining infusion chair with entertainment module”, which is incorporated herein by reference in its entirety and from which the priority filing date is claimed.
FIELD AND BACKGROUNDThe present invention relates generally to systems, apparatuses, and methods for a chair configured with operational and/or comfort features, for example but not limited to, general, medical therapeutic or other treatments, including, but not limited to, drug infusion treatment. Particular embodiments relate to a reclining chair that provides improved access to and from a wheelchair.
Various types of chairs have been used and are known. Complex chairs and sofas, such as electronically reclining chairs with large comfortable armrests are also known. Interconnected chairs having retractable trays, audio connections or arms are used by airlines and theaters. However, most of these chairs have not been designed for various medical environments.
SUMMARYEmbodiments of the present invention include a chair with a seat cushion that has a seating surface and a frame configured to support the seat cushion. The chair also has a backrest having a lower end adjacent to the seat cushion. The lower end of the backrest is supported by the frame. The backrest and the seat cushion are configured to support the weight of a user. The chair also has an armrest located laterally adjacent to the seat cushion, and coupled to the frame for pivotal motion relative to the frame. The armrest is configured to pivot in a substantially horizontal plane. The armrest can be configured to pivot away from the front of the seat cushion with a pivot point located near the back of the chair. In further embodiments, the backrest can recline relative to the seat cushion such that the backrest can be lower than the upper surface of the seat cushion.
The armrest can pivot to change the angle between a surface of the armrest and at least one side of the seat cushion such that one side of the seat cushion is opened for improved access. In one embodiment, the angle can be adjusted between about 0 degrees and about 90 degrees. In an alternative embodiment, the armrest can be adjustable between about 0 degrees and about 180 degrees. In another embodiment the armrest can be pivotable to a position behind the backrest.
The armrest can include at least one compartment for storage and can include an electrical power socket for providing power to the electronic devices. The compartments located within the armrests can include drawers, cabinets, shelves or other structures suitable for storing objects such as, but not limited to, electronic devices, audio devices, video devices and computer devices. The compartments may include electrical power outlets for providing power to such electronic devices. The chair can have a single power cable electrically coupled to a wall socket to provide power for all of the electronic devices coupled to the chair.
Embodiments of the current invention can include a chair having a seat cushion with a front end and a back end. The chair includes a backrest with a lower end and a higher end, the lower end of the backrest can be located adjacent to the rear end of the seat cushion. An armrest can be coupled to the chair, and can be located adjacent to the seat cushion and the backrest. A front end of the armrest can be configured to horizontally pivot from the front end of the seat cushion to change an angle between the seat cushion and the armrest. In one embodiment, the higher end of the backrest can be configured to recline to be closer to the floor than the seat cushion.
Embodiments of the current invention include a method for making a chair that includes, providing a seat cushion with a front end and a back end, placing a backrest having a lower end and a higher end adjacent to the back end of the seat cushion. The method can further include providing an armrest coupled to the chair, the armrest can be located adjacent to the seat cushion and the backrest. The method may include, configuring a front end of the armrest to be horizontally pivotable away from the front end of the seat cushion such that one side of the seat cushion is opened for improved access.
The following detailed description is of the presently contemplated mode of carrying out the embodiments of the invention. This description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating general principles of embodiments of the invention.
The present invention relates generally to systems, apparatuses, and methods for a chair configured with operational and/or comfort features, for example, medical therapeutic or other treatments, including but not limited to, drug infusion treatment. Particular embodiments relate to a reclining chair that provides improved access to and from a wheelchair.
The chair 100 may have a fully reclining backrest 110, a seat cushion 112, a headrest 115 and a retractable footrest 120. In one embodiment, the backrest 110 can be reclined using a remote control 124 (See.,
The seat cushion 112 provides an upper surface on which a user may sit. The seat cushion 112 may be supported by, or attached to, the frame of the chair 100. The seat cushion 112 may be configured to support the majority of the user's weight while the backrest 110 can be in an upright position. In one embodiment, the seat cushion 112 may be in a generally rectangular cube shape. In other embodiments, the seat cushion 112 can be in a generally circular shape or other suitable shape. The inclination of the seat cushion 112 may be adjustable either independent of, or dependent on, the adjustments of the backrest 110, headrest 115 and/or footrest 120. The remote control 124 may be used to adjust the seat cushion 112. In other embodiments of the present invention, the seat cushion 112 may be adjusted electronically by use of, but not limited to, a wireless remote control, a console or buttons attached at a suitable accessible location on the chair 100. For example, for certain users who may benefit from changing their position in a timely manner, the seat cushion 112 can be lowered or raised from side to side, or front to back, according to a schedule set by a medical care personnel. The schedule for the seat cushion 112 adjustment can be programmed into the chair 100 using, for example, the remote control 124. The schedule can be stored in an electronic storage device that can be accessed by a controller in a timely manner. The controller can be electronically coupled to the seat cushion 112 by one or more adjustment mechanisms. The controller can send appropriate signals to one or more motors in each adjustment mechanism to adjust the position and/or inclination of the seat cushion 112 according to the schedule provided by the medical care personnel.
In another embodiment, the user can adjust the seat cushion 112, according to the user's preference. The seat cushion 112 may be removably attached to the chair 100 by any suitable attachment mechanism including, but not limited to, one or more magnet structures (as discussed below), snaps, zippers, buttons or the like. For example, the seat cushion 112 can be coupled to the chair using magnetic assemblies, including magnets placed at the bottom of the seat cushion and/or magnets placed on the frame of the chair 100 and further magnets or metal structures or pads (of magnetically attracted material) placed on the other side of the seat cushion and chair frame opposing each respective magnet when the seat cushion 112 is in a proper position on the chair 100.
The backrest 110 may be adjustably attached to the chair 100 such that the back side of the seat cushion 112 can be adjacent to the lower end of the backrest 110. In one embodiment of the present invention, the backrest 110 may recline far enough to be generally flat or level with respect to the upper surface of the seat cushion 112, and beyond, to a Trendelenburg position, with the head of the user lower than the pelvis of the user (such as shown in
In an alternative embodiment, the backrest 110 may be adjusted to provide further lumbar support for adjusting (such as by expanding and compressing) the lower portion of the backrest 110 using an electronic motor. In other embodiments of the present invention, the backrest 120 may be adjusted electronically by use of, but not limited to, a wireless remote control, a console, or buttons as described above. In further embodiments of the present invention, the backrest 110 may be adjusted manually by use of, but not limited to, a rotatable crank or the like. The crank may be located out of the comfortable reach of the user while seated in the chair 100 such that only a technician or therapist can adjust the backrest. In another embodiment the crank can be located within the reach of the user while seated on the chair 100.
The headrest 115 may be formed in a rectangular cube shape, and may be covered by padding and upholstery 105. The headrest 115 may be connected to the backrest 110 and may be adjustable to adjust the angle of a person's head electronically, through the remote control 124. In other embodiments, the headrest may be adjusted electronically by use of, but not limited to, a wireless remote control or a console, or buttons attached at a suitable accessible location on the chair 100. In one embodiment, the headrest 115 may be adjustable, independent of the backrest 110 and other parts of the chair 100. In another embodiment, the backrest 110 and the headrest 115 may be configured as one unitary backrest and headrest. The headrest 115 can be angularly adjusted in relation to the backrest 110, according to a user's preferences. As described above, angular adjustments can occur by using the remote control 124 that can be electrically coupled to an adjustment mechanism that can include a controller, a motor and a mechanical linkage attached to the headrest 115. The controller can be configured to send a signal to the motor that can be mechanically coupled to the mechanical linkage to move the headrest 110 such that the headrest can be angularly adjusted relative to the backrest. In other embodiments, known methods of adjusting a headrest can be used such as the ones used in for example, car seats, airline seats, and movie theater seats.
The chair 100 may have a retractable footrest 120, which may have a protective covering (not shown). The footrest 120 can be located below the front side of the seat cushion 112. The footrest 120 can be configured to be pulled out in an extended position to support the user's legs and feet. The footrest 120 may be connected to the frame of the chair 100 using a suitable mechanical linkage for pivotal motion, such as but not limited to, hinges, or the like. Known structures for supporting a footrest for movement between a retracted and extended position may be employed. The footrest 120 may be adjusted electronically by use of a remote control 124 connected to the chair 100. In other embodiments of the present invention, the footrest 120 may be adjusted electronically by use of controls as described above including, but not limited to, a wireless remote control, a console, or buttons. In further embodiments of the present invention, the footrest 110 may be adjusted manually by use of, but not limited to, a crank or the like. In other embodiments, the backrest 110 and the footrest 120 may be adjust independently of one another or adjust dependent on the relative position of the other. For example, the footrest 120 may be retracted or extended when the backrest 110 is upright or reclined, respectively.
As shown
Referring to
Once a compartment 140 is opened, the user can use the electronic devices 150 within the compartment 140, or the user may remove one or more of the electronic devices 150, such as an iPod 452 and use the electronic device 150 accordingly. In some embodiments of the present invention, additional electronic devices (not shown), such as speakers 154 or headphone jacks 158, may be located on and within the structure of the chair 100, such as in a headrest 115 of the chair 100. The speakers 154 may be connected with electrical wires that may be run through the frame of the chair 100. In other embodiments of the present invention, additional electronic devices (not shown), such as surround sound speakers or a projection screen, may be located external to the chair 100, but within the same area in which the chair 100 is located. The chair 100 may include suitable electronics configured to communicate electronically with the additional electronic devices, either wirelessly or through connected wires.
In some embodiments of the present invention, the compartments 140 may be configured to store, mount or otherwise support a control console 155 to manage and control the electronic devices 150. In other embodiments of the present invention, the control console 155 may be located in another location on the chair 100. In further embodiments of the present invention, the control console 155 may be located external to and away from the chair 100, for use by a doctor, nurse, or other third party. In yet further embodiments of the present invention, the electronic devices 150 may be controlled by use of a wireless remote control 126. In other embodiments, the electronic devices 150 may be controlled by, but not limited to, a remote control connected to the chair 100, a console, or buttons as discussed above. The controls for operating the electronic devices 150 may be the same remote control 124 that electronically adjusts the backrest 110 and the footrest 120. In other embodiments, the chair 100 has separate control devices for operating the electronic devices 150 and electronically adjusting the backrest 110 and the footrest 120.
The chair 100 may include one or more electric power connectors such as but not limited to a standard AC socket 170 and/or data sockets, such as a cable jack, headphone jack, Ethernet jack, telephone jack, or the like, on suitable locations, such as, but not limited to the sides of the chair 100. The AC socket 170 can be connected to a common power supply (not shown) located in the chair 100. In one embodiment, a single power cable can be electrically connected to a common power supply and may have a standard AC plug for connection to a standard AC wall outlet. In such an embodiment, a single (no more than one) cable may be used to electrically connect the common power supply in the chair to an external power source, for providing power to some or all electronics supported on the chair as well as electronic adjustment devices in the chair, in common. In some embodiments, a socket 170 may be located in the rear or outside of armrests 130 at a location accessible to a user while the user is sitting on the seat cushion 112 and, in some embodiments, while the user is in a fully reclined position.
The power cord can provide power to the power supply 400. The power supply can be mounted on a frame 500 (See,
The adjusters 415, 417, and 420 can comprise among other mechanisms, motion devices, such as but not limited to, a motor, pneumatic arm, lever, pulley and the like, that may be electronically coupled to the controller, processor and memory 410. These motion devices can be mechanically coupled, using appropriate linkage, to the adjustable part of the chair 100, such as but not limited to, a footrest 120, seat cushion 112, backrest 110, armrests 130, headrest 115 and compartments 140. The system shown in
A foldable side table 300 is shown in
As shown in
In one embodiment of the present invention, the locking mechanism 192 may be locked and unlocked manually using manual controls located at the back of the armrest. In other embodiments, the locking mechanism 192 can also be locked and unlocked electronically using the control device as described above, including, but not limited to, the remote control 124.
In another embodiment, the frame 500 of the chair 100 may be coupled to a plurality of retractable support feet that can extend beyond the length of the casters 210 to raise the chair 100 off the casters 210, when the support feet are extended. The support feet can be attached to the frame using a suitable linkage structure such as, but not limited to, a lever mechanism configured to extend the support feet toward the floor when a crank 122 is rotated. In other embodiments, an electronic extending mechanism can be activated using the remote control 124, or other controls described herein, to activate appropriate motors and linkage to move the support feet from a retracted to an extended position. The support feet can be formed out of any suitable material having sufficient rigidity and strength to support the weight of the chair and a user such as, but not limited to, similar material as the frame 500. In other embodiments, the casters 210 may be selectively locked and inhibited from rolling by operation of the crank 122, or other controls described herein, for example, that cause a stop, brake or other structure to engage one or more wheels of the casters 210 to inhibit the wheel from rolling.
Various aspects of the multiple embodiments described above may be employed independently or in combinations thereof. While particular embodiments of the present invention have been shown and described, it will be obvious to those skilled in the art that the invention is not limited to the particular embodiments shown or described, and that changes and modifications may be made without departing from the spirit and scope of the claimed invention.
Claims
1. A chair comprising:
- a seat cushion having a seating surface;
- a frame configured to support the seat cushion;
- a backrest having a lower end adjacent to the seat cushion, the lower end of the backrest supported by the frame, the backrest and the seat cushion configured to support the weight of a user; and
- an armrest located adjacent to the seat cushion, the armrest coupled to the frame for pivotal motion relative to the frame, the armrest configured to pivot in a substantially horizontal plane.
2. The chair according to claim 1, the armrest is configured to pivot away from a front of the seat cushion with a pivot point located near the back of the chair.
3. The chair according to claim 1, wherein the backrest can recline relative to the seat cushion such that the backrest is lower than the seat cushion.
4. The chair according to claim 1, wherein the armrest includes at least one compartment for storage.
5. The chair according to claim 1, further comprising a remote control device that electronically adjusts an angle between the armrest and the seat cushion.
6. The chair according to claim 5, wherein the angle between the armrest and the seat cushion is adjustable between about 0 degrees and about 90 degrees.
7. The chair according to claim 1, wherein the angle between the armrest and the seat cushion is adjustable between about 0 degrees and about 180 degrees.
8. The chair according to claim 1, wherein the armrest is supported for pivotal motion by hinges.
9. The chair according to claim 1, wherein the armrest is pivotable to a position located behind the backrest.
10. The chair according to claim 4, wherein at least one compartment in the armrest is a drawer.
11. The chair according to claim 1, further comprising at least one wall AC outlet socket supported on the chair to provide power for electronic devices.
12. The chair according to claim 1, wherein the armrest is pivotable to a position located behind the backrest.
13. A chair configured to be supported on a floor, the chair comprising,
- a seat cushion with a front end and a rear end;
- a backrest with a lower end and a higher end, the lower end of the backrest located adjacent to the rear end of the seat cushion;
- an armrest coupled to the chair, the armrest located adjacent to the seat cushion and the backrest;
- a front end of the armrest configured to horizontally pivot from the front end of the seat cushion to change an angle between the seat cushion and the armrest;
- wherein the backrest is supported for reclining motion to move the higher end of the backrest toward the floor.
14. The chair according to claim 13, further comprising at least one wall AC outlet socket supported on the chair to provide power for electronic devices.
15. The chair according to claim 13, wherein the angle between the armrest and the seat cushion is adjustable between about 0 degrees and about 180 degrees.
16. The chair according to claim 13, wherein the armrest is pivotable using hinges to be moved to the behind the backrest.
17. A method comprising:
- providing a seat cushion with a front end and a rear end;
- placing a backrest having a lower end and a higher end, adjacent to the rear end of the seat cushion;
- providing an armrest coupled to the chair, the armrest located adjacent to the seat cushion and the backrest; and
- configuring a front end of the armrest to be horizontally pivotable away from the front end of the seat cushion such that an angle between the seat cushion and the armrest can be adjusted.
18. The method of claim 17, wherein the backrest is supported for reclining motion to move the higher end of the backrest toward the floor.
Type: Application
Filed: Dec 11, 2008
Publication Date: Jun 18, 2009
Applicant:
Inventors: Mark Jonathan Krasna (Towson, MD), Lucy Anne Shamash (Towson, MD)
Application Number: 12/333,120
International Classification: A47C 7/62 (20060101); A47C 7/54 (20060101); A47C 1/02 (20060101);