EP2191746A1 - Device for supporting a part of a person's body and seating and method for producing same - Google Patents

Abstract

The device (1) has a supporting element (2) with a bearing- or contact surface (6) for contacting or receiving the body part to be supported. A load relieving unit (3) is provided which absorbs a part of the bearing pressure originating by the support of the body part. The load relieving unit has a recess (7) formed or molded in the supporting element. A portion of the edge area of the recess is formed in the shape of the mold of the supported body part. An independent claim is included for a method for manufacturing a device for supporting the body part of a person.

Description

The invention relates to a device for supporting a body part of a person according to the preamble of claim 1 and a seat according to the preamble of claim 7, and a method for producing the device according to claim 8.

Such devices are known, but are problematic when certain areas of the body or areas of individual body parts should not be burdened by the contact pressure. Such support may be required, in particular, for various medical indications: hemorrhoidal discomfort while sitting may also be a painful limitation on quality of life, such as spinal disc or back problems. Also, prostate problems or gynecological diseases can pose significant problems in this sense. Diseases with inflammation require, in addition to the pressure relief, moreover, a cooling of the affected parts of the body.

From the DE 695 16 008 T2 is a mattress arrangement for beds, chairs, chairs or the like with regard to the drainage of body fluids and the prevention of skin lesions known, and has a mattress having in its center a recess in the form of a trough, which is covered with a protective skin, are positioned on the drainage and drainage elements, wherein the mattress, the recess of which has a conical flared bottom in the form of a funnel, is covered with a removable and impermeable protective skin which conforms to the shape of the tub and the central outlet opening in the form of a funnel has, a peripheral bead, inflatable Bags, a protective skin, on which removable drainage and drainage elements are positioned, forming a cushion comprising a plurality of inflatable compartments communicating with each other and, at their intersections, passageways of different sizes, all of which are covered with a permeable fabric. The known arrangement serves the purpose of improving the well-being of incontinence affected persons, to facilitate the toilet in bed and to avoid the formation of skin damage. A pressure relief at sensitive points is not possible with this arrangement, however, meaningful.

The DE 28 42 428 B1 describes a seat or reclining furniture with a cushion, which has a recess in the middle cushion part, in which a corresponding pad counterpart can be inserted, wherein the recess is arranged transversely to the lying direction and the shape of a non-uniform cross-section trapezoid, wherein the lower central side surface horizontally runs or slightly increases and the shorter side surface runs out into the head-side horizontal cushion third, while the opposite longer side surface increases to the foot-side horizontal cushion third. This piece of furniture is suitable for people in whom relaxation of the thighs and lower legs is important, for example because of venous diseases of the legs or heart and circulatory insufficiency. Neither a targeted Druckentlastug, nor a cooling of affected body parts is provided.

The present invention has for its object to provide a device for effective support of body parts of a person or a seat opportunity and a method for manufacturing, wherein both a pressure load of certain regions of the affected body parts and beyond the formation of a heat accumulation in the region of said regions should be avoided.

The solution of this problem is achieved with the device specified in claim 1 and the seat provided in claim 7, and with the manufacturing method specified in claim 8.

The device according to the invention for supporting a body part of a person, which device has a support element with a bearing or contact surface for the conditioning or recording of the body part to be supported, and the device comprises a relief device, which at least part of the resulting contact pressure of the body part contact pressure receives, is characterized in that the relief device has at least one recess formed or formed in the support member, wherein at least a part of the edge regions of the recess in the shape of the outer shape of the body part to be supported is adapted adapted.

According to the invention, a relief device is thus provided, which receives a part of the body part to be relieved from a support pressure arising from the support during support. The entire contact pressure is divided evenly, whereby the complaints caused by the pressure can be avoided. With the invention it is possible to set targeted, individually tunable pressure relief measures for a preventive avoidance of painful conditions.

Following the principle of the invention, it can be provided that the recess is reproduced in the shape of the letter "T" or a cross, and the recess has four areas, namely a substantially semicircular opening area in the rear part of the support element, at least one lateral opening area, and a front, slightly longer stretched opening area.

In an advantageous further development of the invention, it is provided that at least part of the edge regions of the recess is manufactured or formed from a material which is less elastic or less deformable than the other material of the relief device. In this case, the support element may be made or formed from a material having a reversibly deformable structure. Advantageously, the material of the support element may comprise a foam material and / or a spring core structure.

A particularly effective in the context of the invention embodiment is characterized in that the material of the edge regions of the recess has a less elastic plastic material such as rubber material.

In an advantageous embodiment of the invention it is provided that the support element and / or the discharge device is provided with a coating of a fabric or textile material.

A particularly easy-to-manufacture variant of the device according to the invention for supporting a body part results when the recess formed or formed in the support element is formed by a passage opening.

Advantageously, the support element and / or the relief device consist of several superimposed layers, wherein the different layers may consist of materials having different elastic properties.

The device according to the invention is in particular a component of a seat, in particular a chair or an armchair. The seat is in particular a working seat of a vehicle driver. Conceivable further Augestaltungsvarianten the invention may include, for example, armchairs, mattresses, chair covers, arm and leg rests, pillows, etc.

In a further embodiment of the invention, the relief device may be formed by a plurality of parts, which parts of the relief device are arranged at a certain distance from each other. Here, the distance between the individual parts can be made adjustable.

In terms of a low manufacturability of the device can be provided that the relief device has a recess or a plurality of recesses. In a simpler form, these recesses may be passage openings in a support element, for example in the seat surface of a chair. In a preferred development of the invention, it can be provided for achieving a permanently stable shape that the recess has a prefabricated molding device. In this case, in an exemplary embodiment, the support element may be formed as a prefabricated foam part with an annular insert made of a stronger plastic.

In a further development of the invention it can be provided that the relief device is formed by two or more support elements, these two support elements, or a part of the support elements are arranged at a certain distance from each other. This way you can a flexible design of the device according to the invention take place. The user-friendliness of the device according to the invention can be increased if the distance of the support elements from each other is variable. An exemplary movable guide is conceivable here. A flexible design of the device according to the invention can also be carried out by the relief device is formed by a plurality of juxtaposed, individually removable support elements, wherein at least one support element is arranged remotely.

In an advantageous embodiment of the invention, a mounting device for receiving at least one support element may be provided. This mounting device may for example comprise a seat frame or a bed frame, which in turn may be designed to be movable. In terms of the widest possible range of applications can be provided that differently shaped support elements are mounted on the mounting device. Thus, for example, be provided a single base frame for a chair on which individually different, ie manufactured according to customer specifications seat support elements are mounted. For a further increase in the possibilities of application and the user comfort can be provided that the at least one support element has a reversibly deformable structure. It can be provided that the reversibly deformable structure comprises a foam material. Conceivable, for example, conventional foam variants, but also energy-absorbing special polyurethane foams with slow recovery. It is also possible to produce support elements with foams of different stiffnesses, or to produce a support element with a plurality of foams of different stiffnesses, so that any necessary exact adaptation to anatomical conditions can be done. A preferred development of the invention provides, in a cost-saving manner, that the reversibly deformable structure has a spring core structure. For some applications, it may be more advantageous that the at least one support element has a non-deformable structure. This can be, for example, a wooden seat without a support.

In the dependent claims advantageous developments of the invention are given.

Fig. 1

ein Ausführungsbeispiel der erfindungsgemäßen Sitzgelegenheit;

Fig. 2

ein weiteres Ausführungsbeispiel der Erfindung;

Fig. 3

ein weiteres Ausführungsbeispiel der Erfindung;

Fig. 4A-D

ein weiteres Ausführungsbeispiel der Erfindung;

Fig. 5A-F

ein weiteres Ausführungsbeispiel der Erfindung;

Fig. 6A-F

ein weiteres Ausführungsbeispiel der Erfindung;

Fig. 7A-G

ein weiteres Ausführungsbeispiel der Erfindung;

Fig. 8A-D

ein weiteres Ausführungsbeispiel der Erfindung;.

Fig. 9A,B

weitere Ausführungsbeispiele der Erfindung;

Fig. 10A,B

weitere Ausführungsbeispiele der Erfindung;

Fig. 11

weitere Ausführungsbeispiele der Erfindung;

Fig. 12

weitere Ausführungsbeispiele der Erfindung;

Fig. 13A-D

schematische Schnittansichten der Ausführungsbeispiele der Erfindung;

Fig. 14A-D

schematische Längsschnittansichten der Ausführungsbeispiele der Erfindung;

Fig. 15A-D

weitere Einzelheiten der Ausführungsbeispiele der Erfindung;

Fig. 16

ein Ausführungsbeispiel der Erfindung; und

Fig. 17 A, B

ein Ausführungsbeispiel der Sitzgelegenheit.

Further advantages and advantages of the invention will become apparent from the following description of exemplary embodiments with reference to the drawing. It shows in schematic views:

Fig. 1

an embodiment of the seat according to the invention;

Fig. 2

another embodiment of the invention;

Fig. 3

another embodiment of the invention;

Fig. 4A-D

another embodiment of the invention;

Fig. 5A-F

another embodiment of the invention;

Fig. 6A-F

another embodiment of the invention;

Fig. 7A-G

another embodiment of the invention;

Fig. 8A-D

another embodiment of the invention.

Fig. 9A, B

further embodiments of the invention;

Fig. 10A, B

further embodiments of the invention;

Fig. 11

further embodiments of the invention;

Fig. 12

further embodiments of the invention;

Fig. 13A-D

schematic sectional views of the embodiments of the invention;

Figs. 14A-D

schematic longitudinal sectional views of the embodiments of the invention;

Fig. 15A-D

further details of the embodiments of the invention;

Fig. 16

an embodiment of the invention; and

Fig. 17 A, B

an embodiment of the seat.

The in the FIGS. 1 to 17 illustrated device 1 for supporting a body part of a person has a support member 2 with a support or contact surface 6 for the system or recording of the (not shown) to be supported body part and a relief device 3, which at least part of the support of the body part resulting contact pressure absorbs. At the in FIG. 1 illustrated embodiment, the device 1 according to the invention is a four-legged chair with a seat 2 and the relief device 3 having seat and a backrest nineteenth

In the Fig. 1 because of the better representability enlarged and shown schematically) relief device 3 has at least one formed in the support member 2 or formed, approximately T-shaped recess 7, wherein at least a part of the edge regions 8 of the recess 7 adapted in the shape of the outer shape of the body part to be supported accordingly is trained.

According to the invention, at least a part 9 of the edge regions 8 of the recess 7 is made or formed from a material which is less elastic or less deformable than the other material of the relief device 3. The support element 2 has a made of a material having a reversibly deformable structure or formed elastic means which is coated with a coating 10. The material of the support element 2 preferably has a foam material and / or a spring core structure. The material of the edge regions 8 of the recess 7 has a less elastic plastic material such as rubber material.

The formed or formed in the support member 2 recess 7 is formed in the illustrated embodiments by a passage opening 7.

The seat cushion 2 may consist of special polyurethane foam with slow recovery. In the middle of the seat cushion, there is the relief device 3 designed as a recess 7. This recess 7 extends through the seat surface 6, so that sufficient air circulation is ensured. The embodiments of the invention are suitable for persons with Hämorrhoidalbeschwerden, because the central arrangement of the relief device 3 ensures that a sedentary person to the neuralgic Do not put pressure and subsequently feel no pain. The recess 7 extending through the seat 4 allows good heat exchange, so that the pain or stress associated with inflammatory processes can be alleviated.

The device 1 according to the invention is a component of a seat, in particular a chair 14 or an armchair. The seat 4 is in particular a working seat of a vehicle driver.

The support element 2 and / or the relief device 3 is completely provided with a coating 10 made of a fabric or textile material ( Fig. 1 ).

The support element 2 and / or the relief device 3 may consist of a plurality of superimposed layers 11, 12, 13, wherein the different layers 11, 12, 13 may consist of materials having different elastic properties ( Fig. 2 ).

This in FIG. 3 illustrated embodiment of the invention shows an inventive device 1 in the form of a wooden chair 15, in which serving as a seat support surface or contact surface 6 consists of a simple wood fiber board. The support member 2 shaped as a seat pad can be made of special polyurethane foam with a slow return.

Following the principle of the invention, the recess 7 is according to Fig. 16 the shape of the letter "T" or a cross "+" and has four areas 7a, 7b, 7c, and 7d: A substantially semicircular opening portion 7a in the rear part of the seat, which the discharge of the Coccyx, spine and spine, and also provides effective relief and relief for hemorrhages, injuries and various abdominal surgeries. The two lateral opening areas 7b and 7c serve on the one hand to relieve the hip joints, on the other hand, the favorable functions and effects of the opening area 7a are continued. The front, slightly elongated opening portion 7d reduces the pressure on the male genital area, and also provides for a pleasant perceived ventilation or aeration, prevents sweating and ensures a good feeling when sitting. Without this opening there would be back pressure from below, which can cause pain and discomfort when sitting for long periods, especially in people with weight problems.

In the in the FIGS. 4A to 4D illustrated embodiment of the device 1 according to the invention as a seat support for a kitchen chair 14 or the like, the support device 1 is formed by four interconnected items, and that shows Fig. 4A a made of less elastic material, such as wood base layer 13 with a larger opening 17, Fig. 4B a wooden plate 12 having the recess 7, which is connected to the base layer 13 and adapted, Fig. 4C a consisting of an elastic material such as foam, also T-shaped recess 7 exhibiting intermediate element 18 which is adapted to the base layer 13 and fixedly connected to the wooden plate 12, for example by gluing, wherein the thickness of the intermediate element 18 should be about the same the thickness of the wooden plate 12 to balance between the wooden plate 12 and the in Fig. 4D To ensure seat cushion 4 shown. The seat cover 4 is adapted to the base layer 13 and glued, depending on the model of the chair, the elastic material such as foam in particular can be used in different quantities.

In the in the FIGS. 5A to 5F illustrated embodiment of the device 1 according to the invention a seat consisting of 2 elements 11 and 12 is provided, which is a preferably made of wood seat board 12 according to Fig. 5A and a foam member 11 according to Fig. 5B having. The foam element 11 is adapted to the seat board 12 and mounted. The top view Fig. 5C and the bottom view according to Fig. 5D show how the two elements 11 and 12 according to FIGS. 5A and 5B together give a device 1 according to the invention, wherein the Figs. 5E and 5F show schematic partial sectional views.

In the in the FIGS. 6A to 6F illustrated embodiment of the device 1 according to the invention is a four-element 11, 12, 13, 16 existing seat provided, which is more stable and therefore is particularly suitable for heavier persons. It is a preferably made of wood seat board 12 according to Fig. 6A provided, which has a wider opening 5 and thus ensures a better fit. A likewise made of wood intermediate board 13 with a T-shaped opening 7 according to Fig. 6B is below the seat board 12 according to Fig. 6A assembled. A Schaustoffmelement 16 according to Fig. 6C is fitted into the opening 5 of the seat board 12 and is thus between the seat board 12 according to Fig. 6A and a foam member 11 according to Fig. 6D , which on the seat board 12 according to Fig. 6A , Intermediate board 13 according to Fig. 6B , and the foam element 16 according to Fig. 6C is adjusted. FIGS. 6E and 6F show how all elements according to the FIGS. 6A to 6D together give a device 1 according to the invention.

In the in the FIGS. 7A to 7G illustrated embodiment of the device 1 according to the invention is a five elements 11, 12, 13, 16, 18 existing seat 1 is provided, the more space and good comfort, especially for people weighing up to 120 kg is suitable. It is a preferably made of wood seat board 12 according to Fig. 7A provided, which has an even larger opening 5 and thus ensures an even more comfortable seat. An intermediate element 18 made of foam with a T-shaped opening 7 according to FIG Fig. 7B is below the seat board 12 according to Fig. 7A customized. A made of wood intermediate board 13 with a T-shaped opening 7 according to Fig. 7C is under the seat board according to Fig. 7A and the intermediate element with the T-shaped opening according to Fig. 7B adapted and holds the intermediate element according to Fig. 7B , A foam element 16 according to Fig. 7D is between the intermediate member 18 with the T-shaped opening 7 according to Fig. 7B and a foam member 11 according to Fig. 7E fitted, wherein the thickness of the foam element 11 according to Fig. 7E the thickness of the seat board 12 according to Fig. 7A equivalent. The Figs. 7F and 7G show how all elements according to the FIGS. 7A to 7E together give a device 1 according to the invention.

In the in the FIGS. 8A to 8D illustrated embodiment of the device 1 according to the invention a seat consisting of two elements 11, 12 is provided, which is particularly suitable for an office chair. It is a preferably made of wood seat board 12 according to Fig. 8A provided, which has a T-shaped opening 7. A foam element 11 according to Fig. 8B is adjusted to the seat board 12. Fig. 8C shows how the two elements 11 and 12 according to the Figs. 8A and 8B together give a device 1 according to the invention.

In FIGS. 9A and 9B are different cutouts 7 shown in T-shape, which can be used in any manner in all embodiments of the device 1 according to the invention.

In the FIGS. 10A and 10B various forms 11 are shown with T-shaped openings 7, which help in adjusting the seat foam 11 on the seat board 12. The shapes and openings are different to make different types of seats. The adjustment is made individually for each seat type. The top of the seat may be shaped differently, for example, smooth, oblique or inwardly formed. The inclination may be forward or backward, there are any combination options that can be used in all embodiments of the device 1 according to the invention.

In the FIG. 11 various embodiments of the seat board 12 are shown, which can be used in any manner in all embodiments of the device 1 according to the invention. The larger the opening 5, the more comfortable is the seat 1.

In the FIG. 12 Various foam elements 16 are shown with T-shaped openings 7, which can be used in any manner in all embodiments of the device 1 according to the invention. These foam elements 16 are inserted between the lower board 12 and the seat foam 11, the thickness of which corresponds to that thickness of the seat board. The foam is balanced with the seat board opening. A recess is cut out in the seat board, then a transition is made with the appropriate foam.

In the figures Fig. 13 A to D are schematic sectional views of the illustrated embodiments, and that shows Fig. 13A the seat made of four elements, Fig. 13B the seat made of five elements, Fig. 13C the seat made of six elements, and Fig. 13 D the seat made of three elements.

In the figures Fig. 14 A to D are schematic longitudinal sectional views of the illustrated embodiments shown, in fact shows Fig. 14A the seat made of four elements, Fig. 14B the seat made of five elements, Fig. 14C the seat made of six elements, and Fig. 14D the seat made of three elements.

In the figures Fig. 15 A to D are shown in schematic views more details of the illustrated embodiments, and that shows Fig. 15A the lower seatboard, which holds the weight, at Fig. 15B is shown in detail with black dots of the molded foam, Fig. 15C the seat made of the elements without covering, and finally Fig. 15 D the finished product.

LIST OF REFERENCE NUMBERS

1

contraption

2

support element

3

relief device

4

seat cushion

5

Opening wide

6

Bearing or contact surface

7

T-shaped recess

7a, b, c, d

opening areas

8th

Edge areas of the recess

9

Part of the border areas

10

Cover made of fabric

11

Location, foam element

12

Location, wood panel, seat board

13

Location, base location, intermediate board

14

kitchen chair

15

wood armchair

16

foam element

17

Opening big

18

intermediate element

19

backrest

Claims (10)

Device (1) for supporting a body part of a person, which device has a support element (2) with a bearing or abutment surface (6) for the abutment or support of the body part to be supported, and the device has a relief device (3) which picking up at least part of the contact pressure arising when supporting the body part,
characterized in that the relief device (3) at least one in the support element (2) formed or formed recess (7), wherein at least a part of the edge regions of the recess (7) is formed adapted in accordance with the shape of the outer shape of the body part to be supported. A device for supporting a body part according to claim 1, characterized in that the recess (7) is modeled on the shape of the letter "T" or a cross, and comprises four regions (7a, 7b, 7c, and 7d), namely one substantially semicircular opening area (7a) in the rear part of the support element, at least one lateral opening area (7b, 7c), and a front, slightly longer stretched opening area (7d). Device for supporting a body part according to claim 1 or 2, characterized in that at least a part of the edge regions (8) of the recess (7) made or formed from a relation to the other material of the relief device (3) less elastic or less deformable material is. Device for supporting a body part according to claim 1, 2 or 3, characterized in that the support element (2) is made or formed of a material having a reversibly deformable structure. Device for supporting a body part according to claim 4, characterized in that the material of the support element (2) comprises a foam material and / or a spring core structure. Device for supporting a body part according to one of claims 3 to 5, characterized in that the material of the edge regions (8) of the recess (7) has a less elastic plastic material such as rubber material. Seat with a device (1) for supporting a body part according to one of claims 1 to 6. Method for producing a device (1) for supporting a body part of a person, which device has a support element (2) with a bearing or abutment surface (6) for the abutment or support of the body part to be supported, and the device has a relief device (3 ), which accommodates at least a part of the bearing pressure arising when supporting the body part, characterized in that the relief device (3) is manufactured with at least one recess (7) formed or formed in the support element (2), at least a part of the edge regions of Recess (7) is formed adapted in the shape of the outer shape of the body part to be supported. A method according to claim 8, characterized in that the recess (7) of the shape of the letter "T" or a Cross and having four areas (7a, 7b, 7c, and 7d), namely a substantially semicircular opening area (7a) in the rear part of the support element, at least one lateral opening area (7b, 7c), and a front, slightly longer elongated opening area (7d). A method according to claim 8 or 9, characterized in that at least a part of the edge regions (8) of the recess (7) is made or formed from a relation to the other material of the relief device (3) less elastic or less deformable material.

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