EP1813241A2 - Lit rotatif à hauteur de construction réduite - Google Patents

Lit rotatif à hauteur de construction réduite Download PDF

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Publication number
EP1813241A2
EP1813241A2 EP07010011A EP07010011A EP1813241A2 EP 1813241 A2 EP1813241 A2 EP 1813241A2 EP 07010011 A EP07010011 A EP 07010011A EP 07010011 A EP07010011 A EP 07010011A EP 1813241 A2 EP1813241 A2 EP 1813241A2
Authority
EP
European Patent Office
Prior art keywords
bed according
intermediate frame
rotary
frame
longitudinal
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Withdrawn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
EP07010011A
Other languages
German (de)
English (en)
Other versions
EP1813241A3 (fr
Inventor
Hans-Peter Barthelt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP10194792A priority Critical patent/EP2286781A3/fr
Publication of EP1813241A2 publication Critical patent/EP1813241A2/fr
Publication of EP1813241A3 publication Critical patent/EP1813241A3/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Withdrawn legal-status Critical Current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
    • A61G7/05—Parts, details or accessories of beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • 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
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/053—Aids for getting into, or out of, bed, e.g. steps, chairs, cane-like supports
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/16—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto converting a lying surface into a chair

Definitions

  • a rotary bed in which a reclining frame is arranged on a height-adjustable pedestal.
  • the lying frame is connected to the base via a rotary hinge.
  • the lying frame is essentially divided into three sections, a back section, a central section and a leg section.
  • the leg portion is divided into a proximal and a distal subsection.
  • electromotive drive means of the reclining frame can be transferred from a more or less stretched lying or bed position in a chair position.
  • the lying frame is brought by means of the rotary hinge, relative to the base of the lying position by 90 ° in a transverse position.
  • the back portion of the reclining frame is erected while the distal subsection of the leg portion is lowered downward.
  • the central portion and the proximal leg subsection form a seating surface for the patient.
  • the rotary hinge In the known bed, the rotary hinge consists of an arranged on the head of the base circular ring of an L-shaped angle section. Below the circular ring runs a strut cross, which contains a vertically aligned bearing bush at the interface of the struts. In this bearing bush is rotatably mounted a pivot pin which is connected to a frame of the rotary hinge.
  • the frame of the rotary hinge consists of spars, which are arranged along the edges of a square whose edge length corresponds to the diameter of the circular ring. In the middle of the longitudinal bars rollers are mounted, which run on the top of the annulus.
  • the spars of the intermediate portion of the reclining frame are rigidly connected to the square frame of the rotary hinge via stand.
  • the height of the rotary hinge is relatively high, which forces the base rests directly on the floor without free space of light.
  • the base can not be moved further for two reasons:
  • the struts forming the base have certain minimum cross-sections so that they are able to absorb the forces occurring when the bed is loaded without deformation. After all, the bed must be sized for a patient weight of about 180 kg.
  • the other constraint that prevents further collapse of the pedestal is the forces on the drive device. The further the pedestal has moved together, the shorter the lever arms on the individual crank levers, with the aid of which the pedestal is stretched by the drive device.
  • a further increase in the height in the known construction results from the fact that between the reclining frame and the frame of the rotary hinge, a distance must be provided, in which the drive means for the leg portion and the back portion are to be accommodated.
  • the required drives are located above the frame of the rotary hinge, since its interior is also filled with a cross strut because of the mounting of the axle journal.
  • a rotary hinge which has a support ring, within which the turntable is located, on which the reclining frame is attached directly or indirectly.
  • the fifth wheel is connected to the pedestal exclusively via the support ring, so that no central journal is required. As a result, the area within the fifth wheel is free. This space allows the accommodation of parts of the drive means for the back and the foot portion of the reclining frame, which benefits the height.
  • the turntable of the rotary hinge is located within the support ring, whereby the vertical extent of the rotary hinge is additionally reduced, compared with a sandwich construction, in which the turntable is arranged exclusively above the support ring, as is the case in the prior art.
  • the turntable consists of two longitudinally parallel to each other extending spars, which are rigidly connected to each other via cross struts.
  • the cross struts are bolted together, whereby at the same time a width adjustment of the longitudinal bars is possible. 1 This can be easily compensated Fertigüngstoleranzen.
  • the support ring has a U-shaped profile, so that the bearing means, the turntable to the support ring connect, can engage in the U-profile. This too can contribute to a reduction in the height. Otherwise, the bearing means would have to act on a disc-shaped support ring on both sides of the support ring in order to transmit the upwardly directed transverse forces, ie the tensile forces, to the ring, even without journals.
  • the bearing means preferably consist of a respective axis connected to the ends of the respective spar and a roller running thereon.
  • the roller With the help of the roller, the axial forces, ie both the downward and the upward forces can be transmitted.
  • Such upward forces arise, for example, when the foot of the reclining frame is more heavily loaded than the head or when the reclining frame is in the chair position, since then the seat for anatomical reasons is mainly in front of the vertical axis of rotation of the rotary hinge.
  • the fifth wheel easily runs within the support ring, advantageously radially supporting rollers are present on the support ring. They serve to center the fifth wheel in the support ring, what the usually cylindrical support rollers that take over the axial forces, not able to afford.
  • a circular arc is used as a supporting ring whose arc length is smaller than 360 °.
  • an axle journal is additionally provided, which is, however, immediately adjacent to one side of the head of the base.
  • the interior remains largely free, so that here space is created to accommodate the drive means for the bed frame.
  • the structure can be designed substantially the same as in the above-described embodiment of the invention.
  • the advantage of the second alternative is that, in the chair position, the side of the lying frame which is adjacent to the head end does not move so strongly towards the head end. It remains substantially at the height of the axis of rotation, since the axis of rotation of the respective side of the reclining frame is immediately adjacent.
  • the side of the reclining frame moves closer to the head end by the distance the side from the vertical axis of rotation, thus making the clearance between the reclining frame and the head end of the bed considerably smaller in the chair position becomes.
  • the second alternative with the support ring not closed, allows the use of over-width sling frames.
  • the lying frame is, as already mentioned several times, divided into several sections, which are movable relative to the central portion. This can result in dangerous crushing and shearing in combination with other rigid parts of the bed. Even if they are allowed by the relevant standard and safety regulations, since they have hitherto been regarded as unavoidable, it is advantageous if a new design eliminates these crushing and shearing points which have hitherto been regarded as unavoidable. This is particularly advantageous even if this does not adversely affect the height.
  • an intermediate frame is used between the lying frame and the rotary hinge, which is significantly narrower than the width of the The bed frame. This inevitably enforces a distance corresponding to the height of the spars of the intermediate frame between the bed frame and the top of the base. This distance is due to requirements on the strength of the spars and thus because of their dimensions so large that a risk to persons is excluded.
  • parts of the driving means for the back portion and the designedabschhittes of the reclining frame can be accommodated in the clearance space of the intermediate frame, seen horizontal direction.
  • the solution according to the invention avoids the pivotal movement of the drive device and reduces to the connecting rod, which takes up much less space in the vertical direction.
  • the space within which the pivoting movement takes place be moved into areas where there is sufficient space available without increasing the vertical height.
  • the lying in several mutually movable sections divided lying frame forces it to transmit only over the intermediate section, the total forces emanating from the weight of the patient to the base.
  • the specific load in the area of the intermediate section is extremely high.
  • the bed construction must be stable and stiff so as to largely avoid any elastic deformation which, under certain circumstances, could cause parts of the bed to collide with each other during the rotational movement.
  • the stability can be substantially increased if the bars of the intermediate frame are braced against each other via at least two rigid struts. These two struts are located in vertically spaced planes approximately at that height, with respect to the longitudinal extent of the bed, at which the spars of the intermediate portion of the bed frame are connected to the intermediate frame. This creates a kind of box construction, which is very stiff with respect to the forces occurring.
  • tabs are provided which extend in the longitudinal direction of the respective spar, and which form the hinge straps. Between at least two hinges forming a tab at least one circular disk-shaped spacer member is arranged, which is preferably larger in diameter than the vertical extent of the respective longitudinal spar, so that in each pivot position of the spars zueinader squeezing and clamping points are effectively avoided.
  • the tabs can be integral part of the spars.
  • the spars are preferably square tubes which are provided at the ends with an approximately rectangular recess or notch. This results in extension of the full cross section of the rooms tabs with U-shaped cross-sectional profile.
  • the back of the U-shaped profile represents the extension of the outer wall of the spar, while the lateral strips or legs of the U-shaped cross-sectional profile of wall portions of the original pipe cross section are formed. This results in tabs that are very rigid in the direction perpendicular to the back of the tab relative to the rest of the spar.
  • Figure 1 shows a perspective view of a nursing bed 1 in the lying position
  • Figure 2 shows the nursing bed 1 in the seat or chair position.
  • the nursing bed 1 has a bed border 2 with a head part 3, a foot part and side walls 5 and 6.
  • the viewer facing side wall 5 is located in the reclining position as illustrated at a distance from the ground, so there is a gap between the lower edge of the side wall 5 and the bottom, which allows the nursing staff to deliver the toes under the bed.
  • the side wall 5 is movably mounted and arrives in the chair position of the nursing bed 1 in a downwardly shifted position, as can be seen Figure 2.
  • the special storage of the side wall 5 is for example in detail in the DE 199 12 937 A1 explained.
  • a bed frame 7 As can be seen in Figures 3 and 4.
  • To the bed frame 7 includes a height-adjustable base 8, on the upper side of a rotary hinge 9 is fixed with a vertical axis of rotation, an intermediate frame 10, and a reclining frame 11, on which a mattress 12 is located.
  • the reclining frame 11 is rectangular in plan view.
  • the rotary hinge 9 is sunk by the majority in the base 8, which is why it can be seen only in Figure 4 in the side view. By sinking the rotary hinge 9 in the base 8 is saved considerably in height.
  • the reclining frame is divided into a central portion 13 which is fixedly connected to the intermediate frame 11, a back portion 14 which is hinged to the central portion 13, a thigh portion 15 which is also hinged to the central portion 13, and a lower leg portion 16.
  • the lower leg portion 16 is hinged to the remote from the central portion 13 end of the thigh portion 15.
  • the hinge axes about which the sections 14, 15, 16 are movable relative to the central section 13 are horizontal.
  • a foot section 17 which is rigidly connected directly to the base 8.
  • the central portion 13 of the reclining frame 12 has two mutually parallel longitudinal beams 18 and 19, which can be seen in Figure 8.
  • Each of these spars 18, 19 terminates at hinged tabs for a hinge, which is explained below with reference to FIG.
  • Each spar 18, 19 carries inwardly facing pins 21, are pushed on the rubber molds that absorb spring rods in a known manner. Instead of spring rods can serve as a support and a plate, as is common in hospital beds.
  • the back portion 14 is bounded by a spar 22 and another parallel spar, which is not visible because of the representation in Figure 3.
  • the further spar is connected to the longitudinal spar 18 while the visible spar 22 is hinged to the spar 19.
  • the two bars 22 of the back portion 14 are connected by a not visible in the figure transverse spar at the upper end at 23 together.
  • a further transverse strut 24 runs on the underside of the two bars 22, a further transverse strut 24 runs.
  • the thigh section 15 is limited by two longitudinal beams, of which only one longitudinal spar 25 can be seen.
  • the other longitudinal spar is covered by the longitudinal spar 25.
  • the two longitudinal beams 25 are connected by a cross strut 26.
  • the cross strut 26 extends approximately at the center of each longitudinal spar 25 at the bottom.
  • the lower leg portion 16 is bounded by two longitudinal beams, of which in turn only the longitudinal beam 27 can be seen in the figure.
  • the two longitudinal beams 27 are connected together at the lower end at 28 via a transverse strut.
  • the two longitudinal beams 27 are connected by a strut 29, are fastened to the two mutually parallel guide rails 31, which extend to the lower transverse frame 28. As shown, they extend at an angle to the longitudinal beam 27 in such a way that they converge in the direction of the foot end.
  • the distance between the two guide rails 31 is significantly smaller than the distance between the two longitudinal beams 27. Opposite these, the guide rails 31 are offset approximately 20 cm inwards.
  • the foot section 17 consists of bars 32, which are elevated on the base 8 via struts 33.
  • All longitudinal bars 22, 25, and 27 bear towards the center of the bed pointing pins, according to the pin 21 to this rubber molded parts with the longitudinal bars 22, 25, 27 to connect, between which extend spring rods in a known manner.
  • the height-adjustable base 8 includes an upper frame 34 and a frame 35 which are connected to each other via a total of five toggle lever pairs 36 and 37.
  • the toggle lever pairs 36, 37 are each located on one longitudinal side of the base 8, so that the corresponding toggle lever pairs 36, 37 on the other longitudinal side in Figure 4 are not visible in the side view.
  • the toggle lever pair 36, 37 is composed of an upper toggle lever 38 and a lower toggle lever 39.
  • Each toggle lever 38, 39 is pivotally connected via a hinge 41 with a horizontal axis on the relevant bed side with the upper and lower frame 34, 35. All axes of the hinges 41 are parallel to each other.
  • the hinges 41 are coaxial with their axes to the axes of the hinges 41 of the unrecognizable toggle levers 38, 39.
  • Figure 5 shows in detail the design of the upper frame 34.
  • two longitudinal beams 42 and 43 which are rigidly connected to each other at the ends by cross braces 44 and 45.
  • Another transverse strut 46 is inserted so that, as the figure 5 can be seen, a square hole results, wherein in the corners obliquely extending support struts 47 are welded.
  • the support struts 47 serve as a support for a ring 48 of the rotary hinge 9.
  • the run or support ring 48 rests on the support struts 47 and is firmly connected thereto. With its outer surface it lies against the inside of the two longitudinal bars 42, 43 and the inside of the two transverse struts 45 and 46.
  • the two longitudinal bars 42 and 43 contain the holes for the upper hinges 41 via which the upper toggle levers 38 are pivotally connected to the upper frame 34.
  • the lower frame 35 basically has a similar shape to the upper frame 34, i. he is composed of two longitudinally extending beams 49, which are connected to each other via unrecognizable cross braces.
  • the transverse struts of the lower frame 35 are located below the transverse struts 44 and 45 of the upper frame 34.
  • the lower longitudinal beams 49 which are parallel to the bed longitudinal direction are extended over the longitudinal extent of the upper frame 34 as shown and end provided with Aufstell circa H 51.
  • located at the corners of a rectangle feet 51 is the base 8 and thus the entire bed frame 7 on the floor.
  • This form of Auf Congressrns a space of about 12 cm is created between the lower frame 35 and the bottom, so that nursing staff can put the toes under the base 8.
  • the nursing staff can thereby take an ergonomic favorable attitude by it can approach so close to the nursing bed 1, that it can be supported in addition to the lower leg of the bed frame 2.
  • the back muscles and thus the spine is spared.
  • the two toggle lever pairs 36, 37 on each side of the base 8 are each coupled to one another by an associated coupling strut 52, 53.
  • Each coupling strut 52, 53 is hingedly connected to the knee joint 54 of each toggle lever pair 36, 37 as shown.
  • the two coupling struts 52 and 53 are yoke-like connected to each other via a transverse strut 55.
  • a tab 56 is an abutment for a drive motor 57th
  • the drive motor 57 is supported at its end remote from the tab 56 on a cross member, which connects the two longitudinal members 49 with each other approximately below the cross member 44.
  • the drive motor 57 is a commercially available spindle motor. With the aid of a permanently excited motor 59, a not recognizable worm gear is driven.
  • the worm wheel is rotatably connected to a screw spindle.
  • On the screw a threaded nut on the train and pressure-resistant lifting tube 61 is mounted, which runs coaxially in a guide tube 62.
  • the free end of the lifting tube 61 carries a fork head, which is hinged to the tab 56.
  • Another clevis is located at the opposite end of the motor housing, where the motor is started with the corresponding direction of rotation.
  • the lifting tube 61 is either withdrawn into the guide tube 62 or advanced out of the guide tube.
  • the cross member 55 moves toward the head of the bed.
  • the lower toggle lever 39 of each of the toggle lever pairs 36 and 37 erected, since all these are kinematically connected to each other via the horizontal coupling strut 52, 53 and the cross member 55.
  • the erection movement of lower toggle lever 39 is transmitted via the oblique coupling struts 58 to the upper toggle lever 38 of the knee lever pair 37 located at the foot end.
  • the toggle levers 38 of the rear toggle lever pairs 37 also raise themselves. Finally, this movement is also transmitted to the front toggle lever pair 36 located at the head end.
  • the upper frame 34 ensured that the upper frame 34 always remains parallel to the lower frame 35.
  • the vertical movement of the upper frame 34 does not result in any appreciable displacement of the upper frame 34 in the longitudinal direction of the nursing bed 1 within the mid-range for which the pedestal 8 is constructed.
  • the occurring longitudinal movement is less than 5 mm.
  • the rotary hinge 9 includes the aforementioned ring 48 and a fifth wheel 64 shown in FIGS. 6 and 7 from the lower and upper sides.
  • the ring 48 fixed in the upper frame 34 has the cross-sectional profile shown at A in FIG on.
  • the cross-sectional profile is U-shaped and is composed of a lower horizontally extending leg 65, an upper leg 66, which runs parallel to the lower leg 65, and a right-angled back 67 together.
  • the back 67 forms a section of a straight cylindrical surface.
  • the ring 48 is self-contained, whereby the lower leg 65 is a continuous horizontal annular track.
  • the fifth wheel 64 comprises two longitudinal bars 68 and 69.
  • the two longitudinal bars 68 and 69 are parallel to each other.
  • From the longitudinal spar 68 cantilevered flat struts 71 and 72, which, as shown in the assembled state at a distance from the opposite longitudinal spar 69 ends.
  • the longitudinal spar 69 is provided with corresponding flat bars 73 and 74, which also terminate at a distance from the longitudinal spar 68.
  • the struts 71 ...
  • the strut 72 corresponds to the strut 73 and the strut 71 of the strut 74th
  • the abutment surface between the struts 71 and 73 has the same distance from the adjacent end of the spar 68 as the abutment surface between the struts 72 and 74. Because of this arrangement, the longitudinal spars 68 and 69 ideally form the edges of a square formed in the ring 68 fits in with a small amount of play.
  • the struts 71 ... 74 are screwed together by a total of four screws 75 .... 78. They lead through corresponding holes in the struts 71 ... 74. For the purpose of adjustment to the diameter of the ring 48, a part of these openings are slots.
  • the bore for the screw 75 in the strut 73 is a cylindrical bore, while the corresponding openings of the strut 71 is a slot.
  • the opening for the screw 76 is a cylindrical bore and thus corresponding opening in the strut 73 is a slot.
  • the same arrangement is made for the struts 72 and 74.
  • stub axles 79, 82 and 83 are mounted at the ends of the longitudinal beams 68 and 69.
  • the stub axles 79 .... 83 lie in one plane and their axes intersect in pairs at 90 °.
  • the axis of the journal 79 is coaxial with the axis of the journal 82, while the axis of the journal 81 is also coaxial with the axis of the journal 83.
  • rollers 84 serve as support rollers that transmit the vertical force between the ring 78 and the fifth wheel 74.
  • the support rollers 84 are freely displaceable radially on the axle journal 79 to the outside. A displacement radially inward beyond the position shown is prevented by a contact shoulder formed on each of the axle pivots 59 ... 83.
  • the radial guide within the ring 48 provide four disc-shaped rollers 85.
  • the rollers 85 run in the mounted state of the fifth wheel 64, depending on the radial load against the inwardly facing cylindrical surface of the back 67 at.
  • the axes of rotation of the guide rollers 85 are axially parallel to each other and they are ideally on the corners of a square, the diagonal length to the diameter of the guide rollers 85 is smaller than the inner diameter of the ring 48 measured on the inside of the back 67th
  • bearing blocks 86, 87, 88 and 89 are provided for connecting and holding the guide rollers 85 .
  • the bearing blocks are each slotted on the side of the support roller 85, so that two cantilevered legs arise, between which the respective guide roller 85 is rotatable.
  • the bearing block 87 is mounted directly on the strut 72 and the bearing block 89 directly on the strut 73. Both bearing blocks 87 and 89 are located in the middle between the longitudinal beams 68 and 69th
  • the two bearing blocks 86 and 88 are mounted on the outside of the two spars 68 and 69 centrally between the support rollers 84.
  • the guide rollers 85 rotate on axles in the form of spacer bushings, which are inserted between the forked ends of the bearing blocks 85 ... 89. With the help of screws 91 they are secured in the bearing blocks 85 ... 89. Only the seated in the bearing block 89 guide roller 85 is radially adjustable for the purpose of radial adjustment of the effective diameter of all four guide rollers 85, which is why only here the opening for the screw 91 is a slot 92.
  • two angle sections 93 and 94 are attached on the outer sides of the two longitudinal beams 68 and 69.
  • One of the two legs of the legs 95 is also welded to the outside, while the other leg 96 with the top of the respective longitudinal spar 68, 69 is flush.
  • the legs 96 serve as a mounting flange for the intermediate frame 10th
  • the bearing blocks 86 and 88 are welded to the outside of the respective leg 95.
  • two coupling tabs 98 and 99 are provided on the underside of the fifth wheel 64.
  • the tab 98 is seated on a boom 100 which is secured in the inner corner between the strut 72 and the longitudinal strut 78 and protruding therefrom.
  • the other tab 99 is seated on a corner strut 101 which, as shown, extends from the longitudinal spar 69 to the connecting strut 74.
  • the two tabs 98 and 99 offset so far down that the lifting tube 103 and the guide tube 104 of the drive motor 97 at any point touches.
  • the structure of the drive motor 97 is the same as that of the drive motor 57, therefore, a recent explanation unnecessary.
  • the reaction torque of the drive motor 97 is introduced when turning the fifth wheel in an abutment 105, which is provided on the cross member 46 of the upper frame 34, and is thus located between the cross member 46 and the cross member 44 outside of the rotary hinge 9.
  • the lifting tube 103 is selectively coupled to the tab 98 or tab 99.
  • the structure of the intermediate frame 10 is shown in FIG 8. It is composed of two longitudinal beams 106 and 107, which are connected to each other via a head-side cross member 108.
  • the two longitudinal struts 106 and 107 at the height of the longitudinal members 18, 19 of the central portion 13 of the reclining frame over 11 a total of 4 struts 109, 110, 111 and 112 connected to each other.
  • cantilevers 113, 114, 115 and 116 When the reclining frame 11 is loaded with a patient.
  • the two lower struts 109 and 112 act as compression struts, which is why they, as can be seen from Figure 9, consist of a square tube.
  • the upper struts 111 and 110 are loaded only on train, which is why it is sufficient here to use a flat profile, as is also the result of the illustration of Figure 9.
  • the cantilevers 113 ... 116 are welded on the outside of the two longitudinal beams 116 and 107 projecting outward, as shown, so that the two arms 113, 115 with each other are aligned as well as the two arms 114 and 116.
  • the longitudinal axes of these pairs of arms 113 ... 116 are parallel to each other.
  • a shaft 118 mounted between the two longitudinal bars 106 and 107 is provided.
  • rigidly parallel arms 119 and 120 are fixed, which are connected at their free end by a cylindrical strut 121 together.
  • the strut 121 projects beyond the arms 120 and 119.
  • the protruding ends serve as a journal for two cylindrical rollers 122, only one of which is shown.
  • the two rollers 122 run in the guide rails 31 and support at the relevant point the lower leg portion 27th
  • the connecting rod 131 is connected to a lift tube 132 of a drive motor 133.
  • the structure of the drive motor 133 corresponds to the structure of the drive motor 57.
  • the longitudinal axis of the structure connecting rod 131 and lifting tube 132 extends in plan view, parallel to the longitudinal spar 106 and adjacent to the longitudinal spar 106 on the inside.
  • the motor 133 is supported on a tab 134, which is stiffened via an insert 135 relative to the longitudinal spar 106.
  • the connection between the connecting rod 131 and the lifting tube 132 is articulated. In order to avoid buckling, the lifting tube 132, guided in the region of the coupling point with the connecting rod 131 in a special way.
  • two U-shaped guide rails 137 and 138 are attached with the interposition of a spacer element.
  • the two U-shaped guide rails 137 and 138 open towards each other and are at the same height.
  • a clevis 139 is attached, which engages over the free end of the lifting tube 137 from the outside.
  • aligned holes in the clevis 139 and the end of the lift tube 132 performs a pivot pin 140 through, on the outside of the fork head 139 each have two rollers 141 are rotatably mounted.
  • the rollers 141 run in the guide rails 137 and 138. A buckling of the joint between the clevis 139 and the lifting tube 132 is thus effectively avoided.
  • the attachment of the intermediate frame 10 on the turntable 64 is done by means of two angle flanges 143, of which only one can be seen in Figure 8 because of the representation.
  • the angle flanges 142 are welded to the outside of the longitudinal beams 106 and 107, while their other leg 143 with the underside of the respective longitudinal spar 106, 107 is flush.
  • a total of four slots 144 are included, which are aligned with slots 145 in the legs 96 of the fifth wheel 64.
  • the elongated holes 145 are directed outwards, ie their longitudinal axis is perpendicular to the adjacent longitudinal spar 68, 69, while the slots 144 are parallel to the longitudinal spar pair 106, 107.
  • the intermediate frame 10 can be adjusted on the turntable 64 in the longitudinal direction of the bed.
  • an attachment of the intermediate frame 10 is possible in each possible adjustment position of the two longitudinal beams 68 and 69 of the fifth wheel 64 to each other.
  • a motor bearing 146 is present, which is attached to a downwardly projecting pillar 147.
  • the pillar 147 is attached with a flat side to the two struts 109 and 110. It protrudes in the assembled state in the space of the fifth wheel 64 of the longitudinal struts 68 and 69 and the connecting struts 71 ... 74 is limited. This space also accommodates the downwardly protruding parts of the drive motor 133.
  • the vertical extent of the intermediate frame 10 is limited to about 5 cm plus the ceiling of the struts 110 and 111. These have a material thickness of about 5 mm.
  • the assembly of the rotary hinge 9 is as follows: After the base 8 is fully assembled with the inserted ring 48, the bearing blocks 86 ... 89 equipped with the guide rollers 85. The screw 91 in the slot 42 is set at the smallest radial distance. In addition, the support rollers 84 are attached to the stub axles 79 ... 83. Then, each longitudinal spar 68, 69 is individually inserted into the interior as bounded by the ring 48. For this purpose, the support rollers 84 connected to the longitudinal spar 68 and the associated guide rollers 84 are threaded into the gap between the two legs 65 and 66.
  • the two diametrically opposite guide rollers 85 in the bearing blocks 86 and 88 are now at a distance from each other, which corresponds approximately to the diameter of the ring 48 in the region of the inner side 67. In this position, the guide roller 85 is in the bearing block 87 with little play on the back 76.
  • the screw 91 is still adjusted in the slot 92 until the associated guide roller 85 shows a small distance to the back 67.
  • the fifth wheel 64 is mounted in this way within this ring 48 and adjusted with respect to the radial clearance. He has in the guide and support ring 48 a small radial air.
  • the axial air is defined by the diameter of the support rollers 84 relative to the distance of the legs 65 and 66. These rollers are cylindrical rollers and consist for example of low-friction PTFE, which has the sufficient capacity for roles of this type.
  • the height of the ring 48 measured over the outside of the two legs 65 and 66 is about 30 mm.
  • the top of the profile legs 96 in the normal position of use of the bed 1 is up, about 5 mm over the top of the upper leg 66 of the ring 48 via.
  • the rest of the fifth wheel 64 disappears in and under the ring 48.
  • the rotary hinge 9 is thus only about the required to move the intermediate frame 10 gap over the top of the ring 48 and thus also over the top of the upper frame 34 via.
  • the intermediate frame 10 is mounted on the turntable 64, to which the flanges 143 are placed on the flanges 96.
  • the shaft 118 lies in the direction of the foot end of the bed 1.
  • the intermediate frame 10 is screwed onto the turntable 64 by means of 4 screws which are not shown in the drawings for reasons of clarity. The screws pass through the pairs aligned openings 144, 145.
  • the two lower connecting struts 109 and 112 are not over this underside of the intermediate frame 10 down over.
  • the motor 97 can be mounted.
  • the lifting tube 103 is connected to the motor abutment 98 or the motor abutment 99.
  • These two motor abutments 98, 99 have from the vertical axis of rotation, in Figure 6 by a Cross 148 symbolizes the same radial distance of about 10 cm.
  • a Cross 148 symbolizes the same radial distance of about 10 cm.
  • the motor 133 which is coupled via the clevis 139 with the connecting rod 131, and the shaft 118 is mounted.
  • the two guide rollers 141 are threaded into the associated guide rails 137 and 138.
  • the back section 14 is now also fastened to the central section 13.
  • An associated drive motor 149 is attached to the engine abutment 146 and connected with its lifting tube 151 with a coupling tab 152 which sits on the strut 24.
  • the strut 24 is positioned so that it rests on the longitudinal spars 106 and 107 with the spine portion 14 horizontally aligned, and the engine abutment tab 152 is within the opening of the intermediate frame 10 which is bounded by the crossbar 108 to the head end. In this case, parts of the engine 149 protrude into the turntable 64.
  • the base 1 is maximally merged, i. the lifting tube 61 is retracted in the guide tube 62.
  • the toggle pairs 36, 37 are maximally folded.
  • the intermediate frame 10 is located in the longitudinal direction of the bed 1.
  • the back portion 14 is lowered and lies with its transverse strut 34 on the longitudinal members 106, 107 of the intermediate frame 10.
  • the levers 119, 120 are brought into a position in which the lower leg section 16 extends in a straight extension of the back section 14 or of the foot section 17.
  • the self-driven thigh portion 15 with its strut 26 is also on the two longitudinal beams 106 and 107.
  • the nursing bed 1 on no accessible from the outside squeezing.
  • the support points on the intermediate frame 10 are moved by about 20 cm from the outer edge of the mattress 12 inwards and thus not accessible.
  • the patient may optionally upright the back portion 14. To do this, he sets the drive motor 149 in motion via a manual control. Its lifting tube 151 is extended and presses the back portion 14 upwards. The occurring flux of force closes over the struts 110 and 109 of the intermediate frame 10.
  • the fifth wheel 64 may be used for further support, if during assembly of the pillar 147 is brought against the strut 71 to the plant. It is achieved by a further support of the pillar 147, so that a load of the order of 80 kg at the upper cross member 23 of the back portion 14 can be lifted.
  • the lifting of the lower leg section 16 happens by the user starting the engine 133.
  • the lift tube 132 is extended and pushes the connecting rod 131 in the direction of the shaft 118. This is rotated to pivot the levers 119, 120 and push up the lower leg member 16.
  • the lower leg portion 16 is simultaneously used when pivoting the lever 119, 120 to the central portion 13.
  • the thigh portion 15 is also placed obliquely upward as shown.
  • the patient wishes to be brought into a position through the nursing bed 1, similar to a healthy person sitting on the edge of the bed, he first brings the lower leg and the thigh section 15, 16 into the position according to FIG brought a position of about 45 °, so that during the subsequent turning no excessive projection over the Bettumriss comes about.
  • the base 8 moves up until the bottom of the intermediate frame 10 can rotate freely over the top of the two side walls 5, 6.
  • the lifting motor 57 is restarted to drive the base 8 to its smallest position together.
  • the underside of the intermediate frame 10 engages and pushes the upper side of the side wall 5 below.
  • the length of the lower leg portion 16 in the chair or chair position measured from the top of the mattress 12 may not be longer than the length of the lower leg in a normal-sized person. Otherwise he could not reach the ground with the soles of his feet. Since in the new bed, the base 8 can go very small and the height of the modules from the hinge hinge 9, the intermediate frame 10 and the reclining frame 11 is extremely low, still remain in the chair position about 12 cm. left over by the sub-frame 35 can be raised.
  • thigh section 15 and lower leg section 16 must be based on the anatomy of the person. For the normal lying position of the lower leg section 16 would be too short, which is why the foot section 17 is provided, which carries its own mattress section.
  • a patient With the help of the nursing bed 1, a patient can move from the lying position without any effort and without having to resort to the help of nurses in a sitting position across the bed.
  • the nursing bed 1 is also suitable as a stand-up.
  • the patient can first be brought into a position corresponding to FIG. Then he bends forward from the bed forward and simultaneously actuates the height adjustment of the base 8. He is thereby lifted on the buttocks, which he needs less force to get into the standing position.
  • Such support is very helpful in patients with multiple sclerosis or muscle weakness. A patient who would otherwise rely on outside help to leave the bed, this can do with the help of the nursing bed 1 without outside help at its discretion.
  • FIG. 11 shows, in an enlarged exploded view, a hinge 160, as used for example between the longitudinal member 19 and the longitudinal member 22.
  • both longitudinal bars 19, 22 consist of a square tube with an edge length of approximately 30 mm.
  • At the end of the longitudinal beam 22 is provided with a recess 161.
  • the recess 161 protrudes a little way in the direction of the longitudinal direction of the spar 22 and a little way in the transverse direction.
  • the depth of the recess 161 in the transverse direction is smaller than corresponds to the width of the longitudinal spar 22.
  • the result is an imaginary hinge strap 162, the length of the depth of the Recess 161 in the longitudinal direction of the spar 22 corresponds.
  • This hinge tab 162 is formed at the edges by webs formed by the remaining portions 163 and 164 of the profile tube wall. As a result, the tab 162 as a whole receives the shape of a U-profile in the region of the hinge 160. In the middle of the tab 162 is a through hole 165.
  • the adjacent end of the spar 19 is provided with a notch 166 in the same manner, with the notch 166 facing to the opposite side.
  • a plastic disc 167 and 168 with a cylindrical cross section and plan end surfaces.
  • the disc 168 is provided on only one of its end surfaces with two grooves 169 and 170 which receive the webs 163 and 164.
  • the disc 167 in only one end surface grooves 171, 172 for the respective webs of the spar 19.
  • the diameter of the two discs 167 and 168 is dimensioned so that the tabs 162 with its free end not on the outer peripheral surface of the discs 167th and survive 168.
  • the hinge 160 shown is mounted by attaching to each tab 162 the associated disc 168 and 167, respectively.
  • the stiffening webs 164 and 163, which otherwise merge integrally and continuously in the profile tube forming the spar 19 and 22, is taken up in the grooves 169, 170 and 171 and 172 entirely.
  • a cylindrical bore 173 contained in each disc 167 and 178 is aligned, with the respective 165 in the tab 162. Through these holes, a screw 174 is inserted, which is secured on the other side with a nut (not shown). By the screw 174, the hinge 160 is biased backlash.
  • the discs 167 and 168 act, so to speak, as a sliding and filling piece to fill the open space within each tab 162 and form a sliding surface for the respective other disc 167, 168. Since the discs are also larger in diameter than the thickness of the profile tube for the spars 19 and 22 is formed when bending the hinge 160 and no shearing point, since the two discs 167 and 168 are of the same diameter on each other.
  • the hinge 160 shown is readily capable of absorbing considerable compressive and tensile forces. Such considerable forces occur, for example, at the connection between the central part 13 and the back portion 14.
  • Figure 12 shows a modification with a rotary hinge 9, the support ring has a radius which is substantially the clear width between the two longitudinal beams 42 and 43 corresponds.
  • FIG. 12 shows, in a plan view, the upper frame 34 with the two longitudinal bars 42 and 43, which are connected at both ends via the transverse struts 44 and 45.
  • the cross strut 46 is omitted.
  • the rotary hinge 9 has a support ring 48 which begins in the inner corner between the longitudinal beam 43 and the transverse strut 44, from there in a circular arc to the inside of the longitudinal spar 42 extends and about the point of contact with the longitudinal spar 42 is still about 45 ° extended.
  • the support ring 48 has a total length corresponding to a centering angle of about 135 °.
  • the support ring 48 is connected to the upper frame 34 in the region of the inner corners between the transverse strut 44 and the longitudinal member 43 on the inner side of the longitudinal member 42 and via further struts 180, 181 and 182.
  • the fifth wheel 64 has only one of the two longitudinal struts, for example, the longitudinal spar 68, from the dreickeckförmig two in the direction of the longitudinal spar 43 converging connecting struts 183 and 184 go out.
  • the connecting struts 183 and 184 terminate at a hub 185 to which they are rigidly connected.
  • the hub 185 is rotatable on an underlying bracket, which is fixed to the inside of the longitudinal spar 43.
  • the axis of rotation of the hub 185 corresponds to the center of the support ring 48th
  • the mounting flange 184 is in the same plane as the mounting flange 96 with respect to the plane as defined by the support ring 48.
  • the intermediate frame 10 is mounted as before.
  • the intermediate frame 10 when mounted on an upper frame of Figure 12, rotates about an axis immediately adjacent one of the two longitudinal beams.
  • the advantage of this arrangement is that the reclining frame rotates about a location that is very close to the outer edge of the bed 1.
  • a nursing bed has a height-adjustable base, in which largely sunk a rotary hinge is mounted.
  • the hinge connects the base with an intermediate frame on which the actually lying frame is built.

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
EP07010011A 2002-10-25 2003-10-17 Lit rotatif à hauteur de construction réduite Withdrawn EP1813241A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10194792A EP2286781A3 (fr) 2002-10-25 2003-10-17 Charnière pour lit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10250075A DE10250075A1 (de) 2002-10-25 2002-10-25 Drehbett mit verbessertem Drehscharnier
EP03809291A EP1553906A1 (fr) 2002-10-25 2003-10-17 Lit rotatif comprenant une charniere rotative amelioree

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP03809291.2 Division 2003-10-17
EP03809291A Division EP1553906A1 (fr) 2002-10-25 2003-10-17 Lit rotatif comprenant une charniere rotative amelioree

Publications (2)

Publication Number Publication Date
EP1813241A2 true EP1813241A2 (fr) 2007-08-01
EP1813241A3 EP1813241A3 (fr) 2010-05-05

Family

ID=32103084

Family Applications (3)

Application Number Title Priority Date Filing Date
EP10194792A Withdrawn EP2286781A3 (fr) 2002-10-25 2003-10-17 Charnière pour lit
EP03809291A Withdrawn EP1553906A1 (fr) 2002-10-25 2003-10-17 Lit rotatif comprenant une charniere rotative amelioree
EP07010011A Withdrawn EP1813241A3 (fr) 2002-10-25 2003-10-17 Lit rotatif à hauteur de construction réduite

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP10194792A Withdrawn EP2286781A3 (fr) 2002-10-25 2003-10-17 Charnière pour lit
EP03809291A Withdrawn EP1553906A1 (fr) 2002-10-25 2003-10-17 Lit rotatif comprenant une charniere rotative amelioree

Country Status (6)

Country Link
US (1) US7373677B2 (fr)
EP (3) EP2286781A3 (fr)
CN (3) CN100515378C (fr)
AU (1) AU2003276116A1 (fr)
DE (1) DE10250075A1 (fr)
WO (1) WO2004037147A1 (fr)

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EP1621175B1 (fr) * 2004-07-30 2012-06-13 Hill-Rom Services, Inc. Lit avec position de chaise permettant de quitter le lit
US7788748B2 (en) * 2005-04-06 2010-09-07 Piedmont Global Solutions, Inc. Hospital beds with a rotating sleep surface that can translate into a chair configuration
DE102005018686B4 (de) * 2005-04-21 2007-03-22 Barthelt, Hans-Peter, Dipl.-Ing. Pflegebett mit Doppelmotorantrieb
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DE102006052699B4 (de) * 2006-11-07 2008-10-02 Barthelt, Hans-Peter, Dipl.-Ing. Pflegebett mit verstellbarem Kopfteil
DE102007013354A1 (de) * 2007-03-16 2008-09-18 Barthelt, Hans-Peter, Dipl.-Ing. Pflegebett mit elektrischer Notabsenkung
DE102009014307B3 (de) * 2009-03-25 2010-09-09 Barthelt, Hans-Peter, Dipl.-Ing. Pflegebett mit verbesserter Sitzfläche
DE102009034016B4 (de) * 2009-07-21 2017-08-03 Werner Mühle Drehbettgestell
DE102009049279B4 (de) * 2009-10-13 2018-05-30 Hans-Joachim Kleeberg Pflegebett mit Rasteinrichtung
WO2012031159A2 (fr) * 2010-09-01 2012-03-08 Tekulve Daniel R Lit doté d'une surface de lit pivotante
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JP2014113463A (ja) * 2012-11-16 2014-06-26 Panasonic Corp 昇降装置及びそれを備えたベッド
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TW201544091A (zh) * 2014-05-22 2015-12-01 Caremed Supply Inc 旋轉床改良結構
CN105193560A (zh) * 2014-05-30 2015-12-30 繁葵实业股份有限公司 旋转床改良结构
US10898008B2 (en) 2016-07-26 2021-01-26 Ppj, Llc Adjustable bed systems with rotating articulating bed frame
US10932974B2 (en) 2016-07-26 2021-03-02 Ppj, Llc Adjustable bed systems with rotating articulating bed frame
EP3490515A4 (fr) 2016-07-26 2020-09-09 Ppj, Llc Systèmes de lit réglable à cadre de lit articulé rotatif
CN105997398A (zh) * 2016-07-28 2016-10-12 江苏若博机器人科技有限公司 一种无线单核三轮驱动多功能电动病床
CN107496103B (zh) * 2017-08-15 2021-02-19 上海诺昊医疗科技有限公司 训练床
DE102017219870A1 (de) 2017-11-08 2019-05-09 Isko Koch Gmbh Pflegebett
AU2019228556A1 (en) * 2018-03-01 2020-09-24 Ppj, Llc Adjustable bed systems with rotating articulating bed frame
CN108420628A (zh) * 2018-04-04 2018-08-21 重庆顺美吉医疗器械有限公司 一种用于护理床的床板倾斜旋转机构
US10973338B2 (en) * 2018-05-22 2021-04-13 Janis Love Mattress rotating system
CN109009767A (zh) * 2018-06-11 2018-12-18 陈�光 一种医疗用辅助病人起床装置
CN109223365B (zh) * 2018-11-09 2020-09-11 王秀丽 一种产妇下床辅助器
CN109730852A (zh) * 2019-01-31 2019-05-10 青岛阿玛苏康养医疗有限公司 一种医用病床及其使用方法
CN110115664A (zh) * 2019-04-01 2019-08-13 柳波 智能折叠旋转升降床
CN110279536A (zh) * 2019-07-02 2019-09-27 金华职业技术学院 一种具有辅助起身功能的翻转床
CN110339038B (zh) * 2019-07-24 2021-07-23 于乐 骨科护理按摩康复器
KR102123610B1 (ko) * 2019-07-31 2020-06-26 주식회사 제이알메드 노약자용 기능성 전동 침대
CN110812036A (zh) * 2019-12-02 2020-02-21 河北万瑞医疗器械有限公司 一种可升降旋转医疗床
TWI754314B (zh) * 2020-07-01 2022-02-01 國立臺東大學 起身輔助裝置及其方法
CN112155888A (zh) * 2020-09-25 2021-01-01 重庆科技学院 智能护理床
CN112190410A (zh) * 2020-10-20 2021-01-08 垒途智能教科技术研究院江苏有限公司 一种基于stm32医用电动病床
CN113768713B (zh) * 2021-08-13 2023-01-31 赤峰学院附属医院 一种可调节的脊柱外科护理用体位架
CN113576792A (zh) * 2021-08-19 2021-11-02 和也健康科技有限公司 一种纳米抗菌砭石护理床
CN113616446A (zh) * 2021-09-16 2021-11-09 尚丽丽 一种妇产科护理床
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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Also Published As

Publication number Publication date
US20060143828A1 (en) 2006-07-06
CN100515378C (zh) 2009-07-22
CN101361690B (zh) 2010-12-08
EP1813241A3 (fr) 2010-05-05
CN101361690A (zh) 2009-02-11
CN1731967A (zh) 2006-02-08
WO2004037147A1 (fr) 2004-05-06
CN101366677A (zh) 2009-02-18
EP1553906A1 (fr) 2005-07-20
DE10250075A1 (de) 2004-05-13
EP2286781A2 (fr) 2011-02-23
AU2003276116A1 (en) 2004-05-13
US7373677B2 (en) 2008-05-20
EP2286781A3 (fr) 2011-03-16

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