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EP1245212B1 - Fahrgerät für eine Krankentrage - Google Patents

Fahrgerät für eine Krankentrage Download PDF

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Publication number
EP1245212B1
EP1245212B1 EP02356055A EP02356055A EP1245212B1 EP 1245212 B1 EP1245212 B1 EP 1245212B1 EP 02356055 A EP02356055 A EP 02356055A EP 02356055 A EP02356055 A EP 02356055A EP 1245212 B1 EP1245212 B1 EP 1245212B1
Authority
EP
European Patent Office
Prior art keywords
chassis
slider
stand
stand leg
unfolding
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.)
Expired - Lifetime
Application number
EP02356055A
Other languages
English (en)
French (fr)
Other versions
EP1245212A1 (de
Inventor
Christian Chapuis
Daniel Chapuis
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.)
RTS Chapuis
Original Assignee
RTS Chapuis
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 RTS Chapuis filed Critical RTS Chapuis
Publication of EP1245212A1 publication Critical patent/EP1245212A1/de
Application granted granted Critical
Publication of EP1245212B1 publication Critical patent/EP1245212B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/02Stretchers with wheels
    • A61G1/0293Stretchers with wheels stretcher supports with wheels, e.g. used for stretchers without wheels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/02Stretchers with wheels
    • A61G1/0206Stretchers with wheels characterised by the number of supporting wheels if stretcher is extended
    • A61G1/02122 pairs having wheels within a pair on the same position in longitudinal direction, e.g. on the same axis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/02Stretchers with wheels
    • A61G1/025Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position
    • A61G1/0262Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position having loading wheels situated in the front during loading
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/04Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
    • A61G1/052Struts, spars or legs
    • A61G1/056Swivelling legs
    • A61G1/0562Swivelling legs independently foldable, i.e. at least part of the leg folding movement is not simultaneous

Definitions

  • the present invention relates to a rack-carrier for stretcher, in particular for use to transport a patient lying on a stretcher from an ambulance to a hospital room, and vice versa.
  • a rack-carriage of this type comprises a frame adapted to receive a stretcher and two crutches equipped with wheels, pivotally mounted on the frame. These stands are movable between an unfolding position for rolling the rack-carriage and a folding position against the frame, allowing the introduction of the rack-carriage in an ambulance.
  • Such a rack-carriage further comprises a mechanism for controlling the unfolding and folding of each stand, generally including means for immobilizing the stand in intermediate positions. These intermediate positions make it possible to place the stretcher in a proclive, declivity or lowered position, according to the needs of the patient.
  • the present invention aims to remedy these disadvantages. Its main purpose is to provide a rack-carriage comprising a mechanism for controlling the unfolding and folding crutches at once simple, reliable, resistant, easy to handle, and easy to manufacture.
  • Another object of the invention is to provide a rack-carriage to make automatic the unlocking of the crutches during the operation of introduction of the rack-carriage in an ambulance.
  • the carrier carriage concerned comprises, in a manner known per se, a chassis adapted to receive a stretcher, two crutches equipped with wheels, pivotally mounted on the frame, and a mechanism for controlling the unfolding and folding of each leg.
  • said control means act on said second immobilizing means so as to release the sliding of said second slide of the corresponding stand in the direction of folding of this stand.
  • said second slide is immobilized relative to the frame by said second immobilizing means; said first immobilizing means can then be actuated so as to release the sliding of said first slide of the corresponding stand relative to the frame; said second slider being immobilized, the sliding of this first slider will allow, via said strut, to achieve an inclination of the crutch in different positions, thereby placing the frame of the carriage rack in proclive, declivid or lowered positions, according to the needs of the patient.
  • said control means comprise at least one probe located in front of a corresponding stand, able to detect the engagement of the zone of the frame which comprises this feeler in a vehicle, in particular an ambulance, this probe being shaped for act, following this detection, on the control mechanism of unfolding and folding the corresponding stand so as to allow the folding of this stand.
  • the probe When introducing an end of the frame into an ambulance, the probe detects the presence of the ambulance, in particular the floor thereof, and acts on said mechanism so as to release the folding of the corresponding stand.
  • each probe is constituted by a pivoting arm equipped with at least one roller.
  • the roller meets the floor of the ambulance and roll against this floor, and causes a pivoting of the arm to its actuating position of the control mechanism of the folding of the stand.
  • the chassis comprises at least one pair of rollers on the floor of a vehicle in which the rack-carriage is intended to be introduced, and the arm is secured to a rod transverse to the chassis forming the pivot axis of these rollers.
  • the stands, said first and second slides and said struts are shaped such that each stand is, in the unfolded position, slightly inclined to the side of the corresponding strut.
  • an elastic means such as a spring connects the front portion of the frame to said second slide located on this front portion of the frame, so as to recall the second slide in the sliding position corresponding to the unfolding of the stand.
  • This elastic means causes the automatic unfolding of the front stand when the rack-carriage is removed from an ambulance, which further contributes to facilitate the use of this rack-carriage.
  • an elastic means such as a spring advantageously connects the front portion of the frame to said first slide located on this front portion of the frame, so as to recall the first slide in the sliding position corresponding to the unfolding of the stand.
  • This elastic means helps the chassis to return to the raised position and not inclined following a lowering or inclination of this frame.
  • an elastic means such as a spring can connect the first and second slides located on this rear portion of the frame to one another.
  • front and rear employed above are, as previously, defined by the direction of insertion of the rack-carriage into a vehicle.
  • the figure 1 represents a rack-carrier 1 for stretcher, in particular for use to transport a patient lying on a stretcher from an ambulance to a hospital room, and vice versa.
  • This rack-carrier 1 comprises a frame 2 adapted to receive a stretcher, two stands 3 equipped with wheels 4, pivotally mounted on the frame 2, and a mechanism for controlling the unfolding and folding of each stand 3.
  • the crutches 3 are movable between an unfolding position, shown on the figures 1 and 7 in particular, allowing the rolling of the rack-carriage 1, and a folding position against the frame 2, shown on the figure 12 , allowing the introduction of the rack-carriage 1 in an ambulance.
  • the crutches 3 are slightly inclined in their unfolding position, on the side of the ends of the frame 2.
  • these crutches 3 can be immobilized in different inclination positions, three of which are shown in FIG. Figures 13 to 15 , allow to adjust the height of the frame 2 and, if necessary, when the inclinations of the stands 3 are not identical, to place the stretcher in proclive or declivity according to the needs of the patient.
  • the frame 2 comprises two longitudinal members 10 of circular section and that the actuating mechanism of each stand 3 comprises a first slider 11, a strut 12, a second slider 13, a stop 14, three return springs. 15, 16 and 17, a tie rod 18 with telescopic elements 35, 36, comprising means for immobilizing these telescopic elements relative to each other in several positions, a handle 20 for controlling these immobilizing means , a probe before 21, a rear feeler 22, and two pairs of rollers 23, 24 rolling chassis 2 on the floor 100 of an ambulance.
  • Each stand 3 is pivotally connected to a crossmember 25 secured at its ends with two sleeves 26 slidably engaged on the longitudinal members 10. This crossmember 25 and these sleeves 26 constitute said first slide 11.
  • the strut 12 connects the stand 3 to the frame 2.
  • This strut 12 is connected at one end, pivotally, to a cross member that comprises the stand 3 and is connected at its other end, pivotally, to a crossbar 27 whose ends are integral with two sleeves 28 slidably engaged on said longitudinal members 10.
  • This crossbar 27 and these sleeves 28 constitute said second slide 13.
  • the strut 12 is further secured to its upper part of a frame 29 engaged around the outer member 35 of the tie 18.
  • the lower amount 29a of this frame 29 slides along this outer member 35 during the movement of the stand 3 and includes a light 30 whose function will be explained later.
  • the stop 14 is constituted by a block fixed on one of the longitudinal members 10. It makes it possible to limit the sliding of said second slide 13 in the position shown on the figures 1 and 4 , corresponding to the unfolding position of the stand 3.
  • the return spring 15 connects the cross member 31 of the front end of the frame 2 to the corresponding slider 11. It normally tends to recall this slider 11 in the position shown on the figure 1 , corresponding to the unfolding position of the stand 3.
  • the return spring 16 connects the cross member 31 to the corresponding slider 13. It normally tends to return this slider 13 against the abutment 14.
  • the return spring 17 connects the crosspieces 25 and 27 of the sliders 11 and 13 located on the rear side of the frame 2.
  • the tie rod 18 comprises two telescopic elements 35, 36, the outer one of which is connected to a plate 37 secured to the crossmember 31 and whose inner one is connected to the crossmember 25 on the other hand.
  • Element 35 includes a lateral hole while element 36 comprises a series of lateral holes each of which is adapted to come opposite said lateral hole of the element 35 during the sliding of the element 36 with respect to the element 35.
  • the tie rod 18 comprises a locking latch 40 provided with a pin adapted to be engaged in said lateral hole of the element 35 and in said lateral holes of the element 36, a spring (not visible in the figures) tending normally maintain this latch 40 in the engagement position of the pin in these holes.
  • This latch 40 is connected to the handle 20 by means of a rod 41, this handle 20 being mounted on the plate 37.
  • the assembly is normally in the position shown in FIG. figure 2 , in which the elements 35, 36 are immobilized relative to each other by the latch 40, and the handle 20 can be actuated manually in the position shown on the figure 3 , in which the latch pin is cleared and thus in which the sliding of the element 36 relative to the element 35 is released.
  • the feeler 21 comprises an arm 45 and a pair of rollers 46, and that the rack-carriage 1 comprises a pivoting lever 47 actuated by the arm 45 during the pivoting of the feeler 21.
  • the arm 45 is connected at one end to a pivoting transverse rod 50, forming the pivot axis of the rollers 24.
  • the pair of rollers 46 is mounted on the free end of the arm 45.
  • the lever 47 is pivotally mounted on the element 35. On the side of the rod 50, it has a curved end intended to come into contact with the arm 45. Its end opposite this rod 50 comprises a clean pin in the non-locking position.
  • a spring 48 is placed between the lever 47 and the outer member 35 so as to normally hold the lever 47 in this position of engaging the pin in the slot 30.
  • the rear feeler 22 comprises an arm 45 and rollers 46 very similar to those of the probe 21, the arm 45 being pivotally mounted on the crosspiece 25.
  • This sensor 22 actuates a lever 47 very similar to the lever 47 of the probe 21 but having a length and a stroke adapted to the position and the particular stroke of the arm 45 of the probe 22.
  • rollers 23 are mounted directly on the longitudinal members 10 while the rollers 24 are mounted on the rod 50, the latter passing lugs 51 integral with the longitudinal members 10, projecting downwards relative thereto.
  • rollers 23 and 24 are rolling against the floor 100 of the ambulance, which slightly raises the stand 3 before; the probe 21 then moves from its inactive position shown on the figure 4 at its active position shown on the figure 6 , that is to say, releases the frame 29 and thus the corresponding slider 13.
  • the abutment of the stand 3 and the strut 12 against the floor 100 allows the folding of the stand 3 and the stretching of the spring 16.
  • the probe 22 in turn meets the floor 100 and releases the slide 13 back, which allows the folding of the stand 3 and causes the stretching of the spring 17.
  • the springs 16 and 17 favor the unfolding of the crutches 3, until the locking of the frames 29 by the levers 47.
  • the invention provides a rack-carriage for rendering the introduction operation of the rack-carriage in an ambulance easy to achieve, especially by a single person, and comprising a mechanism for controlling the unfolding and folding crutches at once simple, reliable, resistant, easy to handle, and easy to manufacture.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Handcart (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Rehabilitation Tools (AREA)

Claims (8)

  1. Tragwagen für eine Tragbahre mit einem Fahrgestell (2), das eine Tragbahre aufnehmen kann, mit zwei mit Rädern (4) versehenen Stützbeinen (3), die an einem so genannten vorderen Teil bzw. einem so genannten hinteren Teil des Fahrgestells (2) schwenkbar montiert sind, und mit einem Mechanismus zum Steuern des Ausklappens und des Zusammenklappens jedes Stützbeins (3);
    wobei der Tragwagen (1) dadurch gekennzeichnet ist, dass:
    - jedes Stützbein (3) schwenkbar an einen ersten mit dem Fahrgestell (2) verbundenen Schlitten (11) derart montiert ist, dass es in Längsrichtung dieses Fahrgestells (2) gleiten kann;
    - erste Arretierungseinrichtungen (18) vorgesehen sind, um diesen ersten Schlitten (11) in mehreren unterschiedlichen Stellungen entlang des Fahrgestells (2) zu arretieren;
    - jedes Stützbein (3) mit einer Stützstrebe (12) ausgestattet ist, die es mit dem Fahrgestell (2) verbindet, wobei diese Stützstrebe (12) schwenkbar einerseits an das Stützbein (3) und andererseits an einen zweiten mit dem Fahrgestell (2) verbundenen Schlitten (13) montiert ist, wobei dieser zweite Schlitten (13) beim Schwenken des Stützbeins (3) zwischen seinen Ausklapp- und Zusammenklappstellungen in Längsrichtung des Fahrgestells (2) gleiten kann;
    - zweite Arretierungseinrichtungen (29, 30, 47) vorgesehen sind, um den zweiten Schlitten (13) in einer Gleitstellung bezüglich des Fahrgestells (2) zu arretieren, die dem Ausklappen des Stützbeins (3) entspricht;
    - der Tragwagen (1) Steuereinrichtungen (21, 22) enthält, die geeignet sind, um auf die zweiten Arretierungseinrichtungen (29, 30, 47) des zweiten Schlittens (13) des entsprechenden Stützbeins (3) einzuwirken, um das Gleiten dieses zweiten Schlittens (13) in Richtung des Zusammenklappens dieses Stützbeins (3) freizugeben.
  2. Tragwagen nach Anspruch 1, dadurch gekennzeichnet, dass die Steuereinrichtungen mindestens einen Fühler (21, 22) enthalten, der vor einem entsprechenden Stützbein (3) angeordnet und geeignet ist, um das Einführen der diesen Fühler (21, 22) aufweisenden Zone des Fahrgestells (2) in ein Fahrzeug, insbesondere einen Krankenwagen, zu erfassen, wobei dieser Fühler (21, 22) gestaltet ist, um nach dieser Erfassung auf den Steuermechanismus des Ausklappens und Zusammenklappens des entsprechenden Stützbeins (3) einzuwirken, um das Zusammenklappen dieses Stützbeins (3) zu erlauben.
  3. Tragwagen nach Anspruch 2, dadurch gekennzeichnet, dass jeder Fühler (21, 22) aus einem Schwenkarm (45) besteht, der mit mindestens einer Gleitrolle (46) ausgestattet ist.
  4. Tragwagen nach Anspruch 3, dadurch gekennzeichnet, dass das Fahrgestell (2) mindestens ein Paar von Laufrollen (24) auf dem Boden eines Fahrzeugs aufweist, in das der Tragwagen (1) eingeführt werden soll, und dass der Arm (45) fest mit einer Stange (50) quer zum Fahrgestell (2) verbunden ist, die die Schwenkachse dieser Laufrollen (24) bildet.
  5. Tragwagen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Stützbeine (3), der erste und der zweite Schlitten (11, 13) und die Stützstreben (12) so gestaltet sind, dass jedes Stützbein in der Ausklappstellung leicht zur Seite der entsprechenden Stützstrebe geneigt ist.
  6. Tragwagen nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass eine elastische Einrichtung wie eine Feder (16) den vorderen Teil des Fahrgestells (2) mit dem auf diesem vorderen Teil des Fahrgestells (2) angeordneten zweiten Schlitten (13) verbindet, um diesen zweiten Schlitten (13) in die Gleitstellung entsprechend dem Ausklappen des Stützbeins (3) zurückzuholen.
  7. Tragwagen nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass eine elastische Einrichtung wie eine Feder (15) den vorderen Teil des Fahrgestells (2) mit dem auf diesem vorderen Teil des Fahrgestells (2) angeordneten ersten Schlitten (11) verbindet, um diesen ersten Schlitten (11) in die Gleitstellung entsprechend dem Ausklappen des Stützbeins (3) zurückzuholen.
  8. Tragwagen nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass im hinteren Teil des Fahrgestells (2) eine elastische Einrichtung wie eine Feder den ersten und den zweiten Schlitten, die in diesem hinteren Bereich des Fahrgestells (2) angeordnet sind, miteinander verbindet.
EP02356055A 2001-03-29 2002-03-25 Fahrgerät für eine Krankentrage Expired - Lifetime EP1245212B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0104301A FR2822675B1 (fr) 2001-03-29 2001-03-29 Chariot-portoir pour brancard
FR0104301 2001-03-29

Publications (2)

Publication Number Publication Date
EP1245212A1 EP1245212A1 (de) 2002-10-02
EP1245212B1 true EP1245212B1 (de) 2010-01-06

Family

ID=8861726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02356055A Expired - Lifetime EP1245212B1 (de) 2001-03-29 2002-03-25 Fahrgerät für eine Krankentrage

Country Status (4)

Country Link
EP (1) EP1245212B1 (de)
AT (1) ATE454121T1 (de)
DE (1) DE60234973D1 (de)
FR (1) FR2822675B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003248014B2 (en) * 2002-09-26 2008-11-06 Ferno Australia Pty Ltd Roll-in Cot
FR2890555B1 (fr) * 2005-09-09 2008-06-13 Contact Securite Sa Perfectionnements aux chariots recevant un brancard ou une couche, ou un autre moyen de transport sanitaire.
FR2895671A1 (fr) * 2005-12-30 2007-07-06 Antar Daouk Brancard aeronautique inclinable dans tous ses axes, a pieds et a roues automatiquement repliables et deployables independamment les uns des autres
GB2444237A (en) * 2006-12-01 2008-06-04 Ferno Collapsible strectcher
US8714612B2 (en) 2008-10-18 2014-05-06 Ferno-Washington, Inc. Multi-purpose roll-in emergency cot
FR2964861B1 (fr) * 2010-09-17 2013-06-28 Mecanique De Prec Et Outil Ampo Atel Chariot pour brancard a moyens de blocage perfectionnes
FR3046351B1 (fr) * 2016-01-06 2018-02-16 Commissariat A L'energie Atomique Et Aux Energies Alternatives Chariot- portoir pour brancard.
IL265994B (en) 2019-04-11 2019-11-28 Yuval Geffen Collapsible locomotion platform
FR3100711B1 (fr) 2019-09-13 2021-08-06 Cdc Group système d’automatisation du chargement et de l’extraction d’un chariot sur un recepteur
US20240227892A1 (en) * 2023-01-08 2024-07-11 Michael H. Panosian Single-operator multi-function foldable transporter
US20240227894A1 (en) * 2023-01-08 2024-07-11 Michael H Panosian Single-operator multi-function foldable transporter
US20240227895A1 (en) * 2023-01-08 2024-07-11 Michael H. Panosian Single-operator multi-function foldable transporter
US20240227896A1 (en) * 2023-01-08 2024-07-11 Michael H Panosian Single-operator multi-function foldable transporter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826528A (en) * 1972-09-22 1974-07-30 Weil B One man multi-level cart
DE2651039A1 (de) * 1976-11-09 1978-05-18 Karl Fels Wagen zum transport von gegenstaenden
FR2407712A1 (fr) * 1977-11-08 1979-06-01 Pierson Gerald Chariot pour brancard d'ambulance
FR2546402B1 (fr) * 1983-05-25 1988-04-22 Contact Securite Chariot a positions multiples notamment pour le transport des malades et blesses
DE3824118A1 (de) * 1988-07-15 1990-01-25 Schnitzler Alois Fahrbare krankentrage
GB2298619B (en) * 1995-03-08 1998-09-09 Paraid Ltd Trolley
FR2789040B1 (fr) * 1999-02-02 2001-03-09 Armtop Chariot porte-charge et son vehicule d'embarquement

Also Published As

Publication number Publication date
DE60234973D1 (de) 2010-02-25
FR2822675A1 (fr) 2002-10-04
FR2822675B1 (fr) 2004-03-05
EP1245212A1 (de) 2002-10-02
ATE454121T1 (de) 2010-01-15

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