EP0572351A1 - Elévateur de bain - Google Patents

Elévateur de bain Download PDF

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Publication number
EP0572351A1
EP0572351A1 EP93810343A EP93810343A EP0572351A1 EP 0572351 A1 EP0572351 A1 EP 0572351A1 EP 93810343 A EP93810343 A EP 93810343A EP 93810343 A EP93810343 A EP 93810343A EP 0572351 A1 EP0572351 A1 EP 0572351A1
Authority
EP
European Patent Office
Prior art keywords
seat
lever
foot
base
bath lift
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP93810343A
Other languages
German (de)
English (en)
Inventor
Mario Principe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARTHUR SCHMID AG
Original Assignee
ARTHUR SCHMID AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ARTHUR SCHMID AG filed Critical ARTHUR SCHMID AG
Publication of EP0572351A1 publication Critical patent/EP0572351A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
    • A61G7/1003—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications mounted on or in combination with a bath-tub
    • 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
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • 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
    • A61G7/1059—Seats
    • 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
    • A61G7/1076—Means for rotating around a vertical axis

Definitions

  • the invention relates to a bath lift with a seat part, a foot part and a lifting device which is arranged between the seat part and foot part. It therefore relates to an auxiliary device for bathtubs, in particular for people who are restricted in their ability to move, such as patients, the frail, overweight and others.
  • bath lifts which are suspended from ropes, chains or the like on a kind of trolley, which is attached to a rail on the ceiling. This means that a person sitting and sitting on a seat can be raised and lowered on the one hand, and horizontally moved along the rail attached to the ceiling on the other.
  • this requires a complex installation with structural changes and is therefore only suitable for hospitals and similar institutions with fixed on-site facilities.
  • the object of the invention is to provide a bath lift that works without a water installation connection and whose guide and lifting mechanism is arranged and designed so that injuries are excluded.
  • the actuation for lifting and lowering the seat should be simple, possible with little effort and movement and largely independent of the weight of the person on the seat.
  • the lifting mechanism is designed as a folding mechanism with a hydraulic drive.
  • the folding mechanism is designed as a multi-articulated lever mechanism and has essentially two sections with levers or cantilevers, which are connected to one another by joints and to the seat part and the foot part and are thus rotatable relative to one another about the joints. In the starting position, the two sections are simply folded up and open to raise a seat.
  • the hydraulic one The drive is arranged in such a way that it generates the force to lift the seat part and thus the patient.
  • the seat part can be lowered solely by the action of gravity.
  • the hydraulic drive can serve to dampen the downward movement.
  • the lifting mechanism is located approximately in the middle of the seat part and can be operated by the patient on the seat directly using a lever.
  • the hydraulic drive can be combined into one unit and can be provided in a convenient position.
  • the side edges of the seat are freely accessible and are not occupied by the lifting mechanism. There is therefore no longer any risk of injury. Access to the seat is also made easier.
  • the operation of the bath lift is also made easier because the patient can guide the operating lever himself and can grasp it with both hands in a special arrangement.
  • the favorable arrangement of the hydraulic drive increases operational safety and maintenance work is kept to a minimum.
  • the hydraulic drive forms a closed system, which is arranged centrally and is therefore service-friendly and protected against external influences. Environmentally friendly agents such as water, glycol, etc. can also be used in this drive as hydraulic fluid.
  • Figure 1A is a side elevation schematic of the lifting and lowering mechanism.
  • the lifting and lowering mechanism is designed and arranged as a folding mechanism 3 between a foot 2, which serves as the base, and a seat 1 and essentially consists of two sections with four levers, in the interplay described below.
  • a first base lever 41 and a parallel guide lever 32 each have an articulation point at their ends.
  • a second base lever 42 and a seat lever 31 each have an outer articulation point at their ends and an inner articulation point between them.
  • At the base there are two articulation points 62 and 63 at a distance from one another.
  • the first base lever 41 is articulated at the articulation point 62, the second base arm 42 at the articulation point 63.
  • the first base arm 41 is articulated at its other end to the seat arm 31 at the inner articulation point 64.
  • the second base lever 42 is articulated at its other end at the articulation point 66 to the seat lever 31 at one end thereof.
  • the seat lever 31 has an articulated connection with the seat 1 at its other end with the articulation point 67.
  • the parallel guide lever 32 runs approximately parallel to the seat lever 31 and is articulated at one end either at the seat 1 itself, at the articulation point 68 ', or with a guide rod 16 at the articulation point 68 which is firmly connected to the seat 1.
  • the other end of the parallel guide lever is articulated to the second base lever 42 either at the articulation point 65 or at the articulation point 65 '.
  • the articulation point 65 is located between the two articulation points 63 and 66 on the base lever 42.
  • a length-adjustable locking element 53 holds the first base lever 41 in its position in relation to the foot 2 and thus the entire lifting and lowering mechanism is in a fixed position and the seat is locked at a fixed height.
  • the length-adjustable locking element 53 can alternatively act as a locking element 53 'via the second base lever 42 or via the seat lever 31 or via the parallel guide lever 32. By adjusting the length of the locking element 53, the deflection of the corresponding lever can be changed. This is due to the arrangement of the various articulation points and the corresponding articulated connections of the various levers changed the distance of the seat 1 from the foot 2, the seat remaining in an approximately parallel position to itself.
  • Figure 1B shows the scheme shown in Figure 1A in more detail, especially in two positions.
  • a fixed linkage 62 is arranged in the foot 2 above a center line 24 in the longitudinal direction approximately in the center of the foot 2.
  • the first base lever 41 is pivotably mounted on this fixed linkage 62.
  • a linkage lever 61 in fixed connection with the first base lever 41 stands at an angle downwards and takes up the length-adjustable locking element 53 of a hydraulic part 5, which is arranged at one end of the foot 2, by means of the bearing 61a.
  • the second base lever 42 is pivotally connected at its lower end to the linkage 63 somewhat below the center line in the foot 2 at a distance from the linkage 62 and extends approximately in the same direction as the first base lever 41.
  • the upper end of the second base lever 42 is at the linkage point 66 is connected to the seat lever 31 at its lower end, the first base lever 41, however, is connected to the seat lever 31 at the pivot point 64 at a distance from the pivot point 66.
  • the first base lever 41 is deflected by the angle ⁇
  • the second base lever 42 is also deflected. Since the articulation points 62 and 63 are spaced apart, the articulation points 66 and 64 shift in their position when the first base lever 41 and thus the second base lever 42 are deflected.
  • the seat lever 31 is pivoted out by a corresponding angle in the opposite direction to the angle ⁇ .
  • the articulation point 64 is raised to a height h1 by deflecting the first base lever 41 by an angle ⁇ ;
  • the seat lever 31 is deflected by the corresponding angle and thus the articulation 67 of the seat 1 at the upper end of the seat lever 31 is raised to a height h2 relative to the articulation point 64.
  • the height of the linkage 67 compared to the linkage 63 is equal to the sum of h1 and h2 when the first base lever 41 is deflected by an angle ⁇ by actuating the hydraulic cylinder 51.
  • a lower end of a parallel guide lever 32 is in contact with the second base lever 42
  • Articulation point 65 pivotally connected at a distance from articulation point 66.
  • the seat surface 11 With its upper end it is connected directly to the seat 1 through the articulation point 68, indirectly via the seat guide rod 16.
  • the first base lever 41 swings out by an angle ⁇ upwards and thus also the seat lever 31 by the corresponding angle upwards, the seat surface 11 is now guided, raised or lowered approximately parallel to itself by the first parallel guide lever 32.
  • the lengths of the levers 31, 41, 32, 42 and the distances between the articulation points 62 and 63, 64 and 66, 66 and 65, 67 and 68 are preferably selected such that the seat surface 11 is approximately parallel or approximately constant in each lifting state Inclination to foot 2 is.
  • the length of the locking element 53 is fixed.
  • the hydraulic part 5, functioning as a locking element, can also be arranged with its cylinder 51 'instead of in the foot 2 on the underside of the seat 1, the length-adjustable locking element 53' deflecting the seat lever 31 via a linkage 61 '.
  • FIG. 2 shows a bath lift of a first variant from the side.
  • the bath lift basically consists of a seat 1, a foot 2, a lifting mechanism 3 which is designed as a folding mechanism and a hydraulic part 5.
  • the lifting mechanism 3 is arranged with sufficient rigidity in the longitudinal median plane between foot 2 and seat 1, as also in FIG. 4 is shown.
  • the seat 1 consists of a seat 11 which is generally arranged horizontally. However, it can be fixed in a slightly different position for certain patients, for example.
  • a backrest 12 adjoins the seat surface 11.
  • a seat lever bearing 15 is arranged on the underside of the seat surface 11. This is as close as possible to the center of gravity of the seat 1 in the loaded state.
  • a seat guide rod 16, with the seat 1 in a fixed connection, is pivotally connected to a seat lever 31 via the seat lever bearing 15, and pivotably connected to a parallel guide lever 32 by means of a bearing 33.
  • a conventional hydraulic part 5 is arranged on the underside of the seat 11 in the longitudinal direction.
  • a cylinder 51, a pump 52 and a surge tank 55 are located within the hydraulic part 5 and form a fixed unit.
  • An actuating lever 54 which projects laterally next to the seat surface, is connected to the hydraulic part 5.
  • the hydraulic part 5 By pivoting the actuating lever 54, the hydraulic part 5 is controlled such that the locking element 53 is pressed out of the cylinder 51 and acts on the seat lever 31 via the bearing 34.
  • the hydraulic part 5 By turning the actuating lever 54, the hydraulic part 5 is controlled so that hydraulic fluid can slowly flow back out of the cylinder and thus the seat lever 31 presses the locking element 53 back into the cylinder via the bearing 34 and its length is shortened.
  • the lifting mechanism 3 has a seat lever 31 and a first base lever 41.
  • the seat lever 31 is designed as a sheet metal which is bent in a U-shaped cross section, the three sides of which have the shape of rectangles.
  • the upper side of the seat lever 31 is open and the width of the opening corresponds at least to the width of the hydraulic part 5, so that the hydraulic part 5 comes to rest within the U-shaped first seat lever 31 when the seat is lowered.
  • two bearings 33 are arranged at a distance from one another and are used for each pivotable connection with the first base lever 41 and the second base lever 42.
  • a parallel guide lever 32 is pivotally connected at its upper end by means of a bearing 33 to the seat guide rod 16 at its end opposite the seat 1.
  • the first parallel guide lever 32 is pivotally connected to the second base lever 42 by means of a further bearing 33, at a distance from the bearing 33 of the connection of the seat lever 31 to the second base lever 42.
  • the second base lever 42 is designed as an upwardly open U-shaped sheet metal part which has a width which is greater than the distance between the two side plates of the first seat lever 31, so that in the lowered state of the seat, the seat lever 31 between the two side surfaces of the U -shaped second base lever 42 comes to rest.
  • the second base lever 42 is pivotally connected at its lower end by means of a bearing 43 to the suspension 23 of the foot 2.
  • the first base lever 41 connects the first seat lever 31 to the suspension 23 in a frame 22 of the foot 2, whereby it is pivotably mounted relative to the latter in the bearing 44 at a distance from the bearing 43.
  • the first base lever 41 is designed as a flat sheet metal part or as a rod and is arranged laterally within the seat lever 31 and in the suspension 23.
  • the parallel guide lever 32 is located, and the first base lever 41 is also within the two levers 31 and 42.
  • the seat lever 31 and the parallel guide lever 32 together form a first section, the base levers 41 and 42 form a second section of the folding mechanism.
  • the two sections 31, 32 and 41, 42 are connected to one another via a first joint area, which consists of the bearings 33.
  • the first section is further connected to the foot 2 by means of bearings 43, 44 via a second joint region.
  • the second section is connected to bearings 33, 34 via a third joint area, for example to seat 1.
  • a hydraulic pump 52 in the hydraulic part 5 acts in a cylinder 51 on a locking element 53 which is pivotally connected to the seat lever 31 by means of a bearing 34.
  • the bearing 34 is at a distance from the seat lever bearing 15 arranged at the upper end of the seat lever 31.
  • This arrangement is designed such that when the pump 52 is actuated, an impact force of the piston rod 53 causes the seat lever 31 to pivot out.
  • the movement is transmitted to the second base lever 42 by the parallel guide lever 32, so that it also swings out in the opposite direction.
  • These two pivoting movements cause a change in the height of the seat 1 with respect to the foot 2.
  • the base lever 42 transmits the resulting pivoting movement between the seat lever 31 and the first base lever 41 in opposite directions to the suspension 23 of the foot part 2 and thereby holds the seat surface 11 in an approximately parallel manner Direction at any height of the seat.
  • Figure 3 shows the bath lift according to a first variant (Fig. 2) and a second variant (Fig. 6) in a lowered state from the side. It can be seen that the structural details, which are described in FIG. 2, are not visible since they lie within the seat lever 31 when the seat 1 is lowered. The seat 1 is thus a short distance above the foot 2. Partly above the foot 2, in front of the frame 22 is the seat lever 31 with the two bearings 33 for the articulation of the first base lever 41 and the second base lever 42 described in FIG. 2 .
  • Figure 4A shows the foot 2 of the bath lift from above.
  • a frame 22 rectangular in plan, which preferably consists of a U-profile open at the top, four supports 21 are attached, the outer ends of which are approximately over respectively. lie under the four corners of the seat. This ensures sufficient stability of the entire bath lift.
  • An anti-skid device 26 is attached to each support at the outer ends.
  • the frame 22 and the suspension 23 for the lifting mechanism 3 are arranged symmetrically to the longitudinal center plane 7 in the middle region.
  • the frame 22 accommodates the first and the second base levers 41, 42 with the bearings 43 and 44.
  • FIG. 4B shows a support 21 of the foot 2 in cross section to the foot 2 in connection with a section of a bathtub profile.
  • the support 21 has a kink 27 at the fixed connection point to the frame 22, the outer part of the support being angled upwards to such an extent that the anti-skid 23 at the outer end of the support 21 into the rounded transition 25 from the floor to the side wall of the bathtub can rest.
  • the frame 22 of the foot and thus the entire bath lift is thereby lowered than would otherwise be possible.
  • a bath lift with a foot with supports 21 designed in this way can therefore be used particularly deep in a bathtub. This results in a low center of gravity and at the same time, the support at the rounded transition 25 additionally increases the stability of the bath lift.
  • the seat 11 is shown from below.
  • the seat 11 is firmly connected to the seat lever bearing 15 via a flat seat reinforcement 17.
  • the hydraulic part 5 is fastened to the underside of the seat surface and acts on the bearing 34 via the locking element 53.
  • the actuating lever 54 leads from the hydraulic part to one side of the seat surface 11, where it is bent upwards in order to be easy to operate. It can be mounted on both sides of the seat.
  • a rotary bearing 13 is arranged between the seat reinforcement 17 and the seat lever bearing 15. This pivot bearing 13 allows the seat 1 to be rotated relative to the lifting mechanism 3 and the foot 2 about the vertical axis of the bath lift. This allows the person to sit and get up more easily and comfortably, since the seat can be turned against the edge of the bathtub.
  • FIG. 7 shows a second variant of the bath lift.
  • a hydraulic pump 52 with the associated operating lever 54 is located on the underside of the seat.
  • a hydraulic hose 56 leads from the pump 52 to the cylinder 51, which is arranged here in the foot 2 between the frame 22.
  • the length-adjustable locking element 53 acts on the first base lever 41 via a bearing 34.
  • the mode of operation is the same as in the variant shown in FIG. 2, with the only difference that the hydraulic force for lifting the seat by changing the length of the locking element 53 from Foot 2 acts on the first base lever 41.
  • Foot 2 belonging to the second variant corresponds to foot 2 of the first variant.
  • the hydraulic cylinder 51 is arranged here within the frame 22 instead of on the seat 1.
  • only the pump 52 and the actuating lever 54 are arranged on the underside of the seat 11.
  • FIG. 8 shows a further embodiment of the bath lift with the folding device 3, the seat 11 and the foot 2.
  • the elements shown are provided with the reference numerals as are already shown in FIGS. 2 and 7. Therefore they are not listed again here. It is only pointed out that the bearings 43 and 44 and the hydraulic unit 5 are arranged under the seat 11, whereas the lever bearing 15 together with the guide rod 16 are arranged on the foot 2.
  • Figure 9 shows the arrangement according to Figure 8 seen from below.
  • the hydraulic unit 5, the seat 11 (from below), part of the base lever 41, the bearing 34 and the actuating lever 54 can be seen, which projects through an opening 57 in the seat 11 and thus comes to lie, for example, between the patient's legs .
  • a longitudinal center plane 58 which is approximately perpendicular to the seat surface 11 and to which the center of gravity of the loaded seat is not far apart.

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Devices For Medical Bathing And Washing (AREA)
EP93810343A 1992-05-26 1993-05-11 Elévateur de bain Withdrawn EP0572351A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1692/92 1992-05-26
CH169292 1992-05-26

Publications (1)

Publication Number Publication Date
EP0572351A1 true EP0572351A1 (fr) 1993-12-01

Family

ID=4216381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810343A Withdrawn EP0572351A1 (fr) 1992-05-26 1993-05-11 Elévateur de bain

Country Status (1)

Country Link
EP (1) EP0572351A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114195054A (zh) * 2021-12-14 2022-03-18 江苏光银建设工程有限公司 用于高处施工的移动伸缩梯的使用方法
CN114983710A (zh) * 2022-06-30 2022-09-02 安徽哈工海姬尔智能科技有限公司 一种高顺畅度床式智能马桶非平行导向机构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772721A (en) * 1954-11-09 1956-12-04 Saunders Harry Baird Seat unit for bathtubs
US3624666A (en) * 1970-08-05 1971-11-30 Warren P Higgins Sr Device for assisting handicapped persons to get into and out of a bathtub
WO1985005267A1 (fr) * 1984-05-10 1985-12-05 Hampshire Medical Developments Limited Baignoire pourvue d'un siege mobile verticalement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772721A (en) * 1954-11-09 1956-12-04 Saunders Harry Baird Seat unit for bathtubs
US3624666A (en) * 1970-08-05 1971-11-30 Warren P Higgins Sr Device for assisting handicapped persons to get into and out of a bathtub
WO1985005267A1 (fr) * 1984-05-10 1985-12-05 Hampshire Medical Developments Limited Baignoire pourvue d'un siege mobile verticalement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114195054A (zh) * 2021-12-14 2022-03-18 江苏光银建设工程有限公司 用于高处施工的移动伸缩梯的使用方法
CN114195054B (zh) * 2021-12-14 2023-08-22 江苏光银建设工程有限公司 用于高处施工的移动伸缩梯的使用方法
CN114983710A (zh) * 2022-06-30 2022-09-02 安徽哈工海姬尔智能科技有限公司 一种高顺畅度床式智能马桶非平行导向机构
CN114983710B (zh) * 2022-06-30 2023-08-08 安徽哈工海姬尔智能科技有限公司 一种高顺畅度床式智能马桶非平行导向机构

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