EP3399951A1 - Chariot-portoir pour un brancard - Google Patents
Chariot-portoir pour un brancardInfo
- Publication number
- EP3399951A1 EP3399951A1 EP17712179.5A EP17712179A EP3399951A1 EP 3399951 A1 EP3399951 A1 EP 3399951A1 EP 17712179 A EP17712179 A EP 17712179A EP 3399951 A1 EP3399951 A1 EP 3399951A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pair
- rollers
- rack
- locking
- trolley according
- 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- Withdrawn
Links
- 238000005452 bending Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 6
- 206010006585 Bunion Diseases 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
- A61G1/0206—Stretchers with wheels characterised by the number of supporting wheels if stretcher is extended
- A61G1/0212—2 pairs having wheels within a pair on the same position in longitudinal direction, e.g. on the same axis
-
- 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
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
- A61G1/0237—Stretchers with wheels having at least one swivelling wheel, e.g. castors
- A61G1/0243—Stretchers with wheels having at least one swivelling wheel, e.g. castors with lockable swivel action, e.g. fixing castor in certain direction
-
- 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
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
- A61G1/0293—Stretchers with wheels stretcher supports with wheels, e.g. used for stretchers without wheels
-
- 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
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
- A61G1/025—Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position
- A61G1/0262—Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position having loading wheels situated in the front during loading
-
- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/048—Handles
-
- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/052—Struts, spars or legs
- A61G1/056—Swivelling legs
- A61G1/0562—Swivelling legs independently foldable, i.e. at least part of the leg folding movement is not simultaneous
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/42—General characteristics of devices characterised by sensor means for inclination
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/44—General characteristics of devices characterised by sensor means for weight
Definitions
- the present invention relates to a rack-carriage for a stretcher.
- a trolley-rack equipped with a stretcher is especially used by firefighters or ambulance personnel to transport people.
- the rack-carriage according to the invention can also find an application as a handling trolley.
- a rack-carriage known from the state of the art in particular documents CN 1 021 1 9885, EP 1 740 397, JPH 0221 1 1 47, EP 2452661, comprises:
- a set of casters equipping the first and second legs, the assembly comprising a first pair of casters pivotally mounted on the first leg;
- locking means configured to present:
- control means configured to control the locking means.
- the first and second legs are advantageously retractable so that the rack carriage can be loaded into a vehicle, such as an ambulance.
- a vehicle such as an ambulance.
- we will call “béqui l the front” béqui lle to be facing the vehicle during loading. In the same way, the other one will be called “hindquarters”.
- the set of wheels is free to rotate about a first axis to ensure a rolling rack-carrier.
- the rack carriage has a second pair of casters that can be pivotally mounted on the second leg. Where appropriate, the first and second pairs of rollers are pivotally mounted about a pivot axis perpendicular to the first axis.
- the locking means may comprise a locking cable (or a locking rod, or a locking pin) movable between the locking position and the unlocking position.
- Such locking means may be connected to the handles of the rack-carriage or brackets so that such locking means may be respectively controlled by the hands or the feet of a stretcher bearer.
- “Stretcher” means any individual (such as an ambulance attendant or a firefighter) likely to transport people.
- the lock position is assigned to the lock means by the stretcher (via a command by his hands or feet) especially before loading into the vehicle.
- the present invention aims to remedy all or part of the aforementioned drawbacks, and relates for this purpose a rack-carriage for a stretcher, comprising:
- a set of casters equipping the first and second legs, the assembly comprising a first pair of casters pivotally mounted on the first leg;
- locking means configured to present:
- control means configured to control the locking means
- the rack-carriage being remarkable in that it comprises measuring means arranged to measure a slope of a floor on which is intended to rest the first pair of rollers, and in that the control means are configured to affect the locking position to the locking means so as to prohibit the pivoting of the first pair of rollers when the measured cant is greater than a threshold.
- a rack-carriage according to the invention provides a security when the soil has a large slope, since the first pair of wheels can not rotate.
- the rack-carriage is thus made stable in the event of a major overhang, by avoiding untimely pivoting of the first pair of rollers.
- each roulette of the first pair is arranged to measure a slope of a floor on which is intended to rest the first pair of rollers, and in that the control means are configured to affect the locking position to the locking means so as to prohibit the pivoting of the first pair of rollers when the measured cant is greater than a threshold.
- the measuring means are arranged on the first beadle.
- the measuring means comprise an accelerometer, preferably with three axes.
- an accelerometer does not require a calibration to detect where the vertical is, unlike a gyroscope.
- an accelerometer makes it possible to identify shocks of the stretcher, which is particularly useful for maintaining the stretcher.
- the rack carriage comprises measuring means arranged to measure the mass, denoted by M p , of a patient intended to be al along on the stretcher.
- the measuring means comprise a bending sensor mounted on the first béqui l the second or béqui l le so as to measure M p , the bending sensor is preferably a load cell resistive gages.
- the threshold varies according to the mass of the patient so that the threshold is higher for a light patient than for a heavy patient.
- the threshold has a constant, preferably set at 5%.
- a tilt value greater than or equal to 5% leads to a sudden movement of the carriage-carrier when the first pair of wheels pivots unintentionally.
- the locking means comprise a rod mounted movably on the first béquil l between the locked position and the unlocked position.
- Such a rod allows to actuate (that is to say, lock or unlock) simultaneously two wheels.
- the locking means comprise a servomotor configured to arrange the rod:
- control means is configured to affect the lock position to the lock means when the first lever is in a folded position.
- the measuring means are also adapted to detect the second béqui l in the folded position.
- the assembly comprises a second pair of casters pivotally mounted on the second bait, the carriage-rack having additional locking means configured to have: - a locking position in which they forbid a pivoting of the second pair of wheels,
- the rack-carriage comprises:
- - additional measuring means configured to measure a slope of a floor on which is intended to rest the second pair of wheels
- additional control means configured to control the additional locking means, and to affect the locking position to the additional locking means so as to prevent the pivoting of the second pair of rollers when the measured cant is greater than one.
- One advantage provided is to avoid a potentially dangerous situation for the person who is lounging on the stretcher when the second pair of rollers is likely to rotate unintentionally.
- FIG. 1 is a schematic perspective view of a carrier carriage according to the invention, equipped with a stretcher
- FIG. 2 is a diagrammatic view on an enlarged scale of the first pair of casters pivotally mounted on the first frame (in the absence of a control box);
- Figure 3 is a view similar to Figure 2, illustrating the control box.
- cant is meant the value (expressed in%) of a transverse slope (i.e. perpendicular to the longitudinal axis along which the rack-carriage extends) of a soil.
- the rack-carriage shown in FIGS. 1 to 3 is a rack-carriage for a stretcher 1, comprising:
- locking means configured to present:
- control means configured to control the locking means;
- the rack carriage comprises measuring means arranged to measure a slope of a floor on which is intended to rest the first pair of rollers 3a, 3b.
- the control means are configured to affect the lock position to the lock means so as to prevent the first pair of rollers 3a, 3b from pivoting when the measured cant is greater than a threshold.
- the rack-carriage comprises a frame 8 intended to receive the stretcher 1.
- the frame 8 preferably comprises two longitudinal members 800.
- the frame 8 preferably has opposite ends provided with handles 801 for gripping the rack-carriage, for example by an ambulance attendant or a firefighter.
- the frame 8 comprises a front portion 80 through which the rack-carriage is intended to be loaded into a vehicle such as an ambulance, and a rear portion 81 opposite to the front portion 80.
- the first leg 2a is advantageously mounted movably on the rear portion 81 of the frame 8 between an unfolded position and a folded position.
- the second bunion 2b is advantageously mounted movably on the front portion 80 of the frame 8 between an unfolded position and a folded position.
- the first and second bales 2a, 2b in the folded position allow the transport of the rack-carriage in the vehicle.
- the first and second bales 2a, 2b in the unfolded position allow the carriage-carrier to roll on the ground.
- the first and second bails 2a, 2b can advantageously have intermediate positions between the unfolded position and the folded position so that the stretcher 1 is in the proclive or declivel position.
- the carriage-rack preferably comprises a strut 802 mounted on each of the first and second béqui l 2a, 2b.
- the strut 802 presents:
- the carrier carriage advantageously comprises two rollers 803 mounted on the front portion 80 of the frame 8.
- the two rollers 803 are intended to rest on a loading floor when the carriage-carrier is loaded into the vehicle.
- the two rollers 803 are preferably interconnected by an axle 804.
- Each roller 803 is rotatably mounted inside a yoke 805.
- each wheel 3a, 3b of the first pair is a wheel 3a, 3b of the first pair:
- the pivot axis Z'-Z is perpendicular to the first axis X'-X.
- the first axis X'-X is inclined relative to the horizontal by an angle corresponding to the slope of the ground.
- the first pair 2a equipped with the first pair of casters 3a, 3b, is the rear one.
- the first bunker 2a is the béqui l the front.
- the set of wheels 3a, 3b, 4a, 4b comprises a second pair of rollers 4a, 4b equipping the second béquil 2b.
- the second pair of rollers 4a, 4b is pivotally mounted on the second béqule 2b.
- the clevises 9a, 9b are pivotally mounted on the second béqui the 2b around the pivot axis Z'-Z.
- the locking means preferably comprise a rod 6 mounted movably on the first bait 2a between the locked position and the unlocked position in which the bead 6 respectively prohibited and allows the pivoting of the first pair of rollers 3a, 3b around the pivot axis Z'-Z.
- the rod 6, in the locking position blocks the pivoting of the first pair of rollers 3a, 3b around the pivot axis Z'-Z.
- Such a blocking is preferably done in two steps:
- the rod 6 presses a locking finger on the yoke 5a, 5b of each wheel 3a, 3b of the first pair;
- a lowering of the locking finger takes place in a hole forming a locking window when the corresponding roller 3a, 3b is parallel to the longitudinal axis along which the carriage-carrier extends.
- the rod 6, in the unlocked position removes the locking finger from the orifice -by raising it-in one step, and thus releases the pivoting of the first pair of rollers 3a. , 3b about the pivot axis Z'-Z.
- the locking means preferably comprise a servomotor 7 configured to arrange the rod 6:
- the servomotor 7 comprises a spreader 70 adapted to move the rod 6 from the lock position to the unlocked position, and vice versa.
- the rudder 70 is preferably a metal or plastic material.
- the servomotor 7 is advantageously sealed.
- the servomotor 7 comprises:
- the carriage-carrier advantageously comprises additional locking means configured to present:
- the control means preferably comprise a microcontroller.
- the microcontroller is preferably mounted on an electronic card.
- the control means preferably comprise a control box 70, preferably mounted on the first béqui the 2a.
- the control box 70 preferably encloses the microcontroller and the electronic card.
- the electronic card is an iOS Nano card.
- the electronic card is preferably powered by a voltage of between 7 V and 1 2 V.
- the servomotor 7 is electrically connected to the electronic card.
- the electronic card preferably comprises a relay card configured to cut the power supply of the servomotor 7.
- the control box 70 encloses all or part of the servomotor 7.
- the servomotor 7 is preferably controlled remotely using a remote control mounted on a handle 801.
- a radio frequency card e.g. 433 MHz or 868 MHz
- the radio frequency card is configured to communicate with the remote control.
- the control means is advantageously configured to affect the lock position to the lock means when the first leg 2a is in the folded position. The pivoting of the first pair of rollers 2a is thus prohibited when the carriage-carrier is loaded into the vehicle.
- the carriage-carrier advantageously comprises additional control means configured to control the additional locking means.
- the characteristics described above for the control means also apply to the additional control means.
- the control means and the additional control means can be centralized in a control unit. Tilt measurement
- the measuring means are advantageously arranged on the first béqui l the 2a to measure the slope of the soil on which is intended to rest the first pair of rollers 3a, 3b.
- the measuring means advantageously comprise an accelerometer, preferably with three axes, electrically connected to the electronic card.
- the accelerometer may be of the MPU-6050 type.
- the accelerometer makes it possible to register shocks of the stretcher 1, which is particularly useful for the purpose of maintaining the stretcher 1.
- the measuring means are also advantageously adapted to detect the second beat 2b in the folded position.
- the accelerometer described above makes it possible to detect the second béqui l the 2b in the folded position.
- the carriage-carrier advantageously comprises additional measuring means configured to measure a slope of a soil on which is intended to rest the second pair of casters 4a, 4b. The characteristics described above for the measuring means also apply for the additional measuring means.
- the additional control means are advantageously configured to affect the locking position to the additional locking means so as to prevent the pivoting of the second pair of rollers 4a, 4b when the superelevation measured by the additional measuring means is greater than at a single point.
- the rack carriage advantageously comprises measuring means arranged to measure the mass, denoted by M p , of a patient intended to be lined along the stretcher 1.
- the measuring means advantageously comprise a bending sensor mounted on the first block 2a or the second pair 2b so as to measure M p .
- the bending sensor is preferably a load cell with resistive gages.
- the bending sensor is advantageously configured to cooperate with the accelerometer so as to archive the stresses associated with the impacts of the stretcher 1, with a view to the maintenance of the stretcher 1.
- the threshold S has a constant S 0 , preferably set at 5%.
- the threshold S can be equal to the constant S 0 .
- the threshold S may be further weighted by:
- the size of the handles 801, - the outside temperature (for example to take into account the risks of ice).
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1650076A FR3046350B1 (fr) | 2016-01-06 | 2016-01-06 | Chariot- portoir pour un brancard. |
| PCT/FR2017/050036 WO2017118824A1 (fr) | 2016-01-06 | 2017-01-05 | Chariot-portoir pour un brancard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3399951A1 true EP3399951A1 (fr) | 2018-11-14 |
Family
ID=55862939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17712179.5A Withdrawn EP3399951A1 (fr) | 2016-01-06 | 2017-01-05 | Chariot-portoir pour un brancard |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3399951A1 (fr) |
| FR (1) | FR3046350B1 (fr) |
| WO (1) | WO2017118824A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800006230A1 (it) * | 2018-06-12 | 2019-12-12 | Telaio da trasporto per una barella |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211147A (ja) | 1989-02-10 | 1990-08-22 | Paramaunto Bed Kk | 移動仰臥台に於けるキャスターの連動操作機構 |
| PL1740397T3 (pl) * | 2004-04-15 | 2010-11-30 | Ferno Washington | Samozamykające się obrotowe samonastawne kółka do wtaczanego łóżka |
| US7398571B2 (en) | 2004-09-24 | 2008-07-15 | Stryker Corporation | Ambulance cot and hydraulic elevating mechanism therefor |
| CA2714365A1 (fr) * | 2007-12-31 | 2009-07-09 | Monster Medic, Inc. | Civiere d'ambulance pourvue d'un mecanisme elevateur |
| CN102119885B (zh) | 2010-01-08 | 2014-01-01 | 粟广欢 | 带有脚轮方向控制装置的多功能担架车 |
| US9510982B2 (en) * | 2010-01-13 | 2016-12-06 | Ferno-Washington, Inc. | Powered roll-in cots |
| WO2014075679A1 (fr) * | 2012-11-13 | 2014-05-22 | Linak A/S | Système de commande de roulettes |
-
2016
- 2016-01-06 FR FR1650076A patent/FR3046350B1/fr not_active Expired - Fee Related
-
2017
- 2017-01-05 EP EP17712179.5A patent/EP3399951A1/fr not_active Withdrawn
- 2017-01-05 WO PCT/FR2017/050036 patent/WO2017118824A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3046350B1 (fr) | 2018-02-16 |
| WO2017118824A1 (fr) | 2017-07-13 |
| FR3046350A1 (fr) | 2017-07-07 |
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