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公开(公告)号：US12076280B2
公开(公告)日：2024-09-03
申请号：US16723137
申请日：2019-12-20
发明人： Nicholas V. Valentino , Matthew Palastro , Zhen Y. Shen , Timothy R. Wells , Timothy Paul Schroeder , Joshua James Markham , Robert L. Potak
CPC分类号： A61G1/0262 , A61G1/0212 , A61G1/0237 , A61G1/0256 , A61G1/04 , A61G1/0562 , A61G1/0567 , A61G7/012 , A61G13/06 , A61G2200/16 , A61G2203/42 , A61G2203/726
摘要： A cot can include a support frame that extends between a front end and a back end. A front leg and a back leg can be slidingly coupled to the support frame. A front actuator can be coupled to the front leg and slide the front leg to retract and extend the front leg. A back actuator can be coupled to the back leg and slide the back leg to retract and extend the front leg. One or more processors can execute machine readable instructions to receive signals from one or more sensors indicative of the front end of the cot and the front leg. The one or more processors can actuate the back actuator to extend the back leg to raise the back end of the cot, when the front end of the cot is supported by a surface and the front leg is retracted a predetermined amount.
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公开(公告)号：US20230233386A1
公开(公告)日：2023-07-27
申请号：US17938088
申请日：2022-10-05
申请人： STEM S.R.L.
发明人： Ezio MENNA , Michele CORRADI
CPC分类号： A61G1/0562 , A61G1/0212 , A61G3/0245 , A61G3/0254 , A61G3/0272
摘要： A stretcher, which comprises:
a support frame for supporting a patient;
a pair of front legs rotatably coupled to the support frame around a first rotation axis, wherein each front leg supports a front wheel holder frame hinged to the respective front leg around a first oscillation axis parallel to the first rotation axis and supporting a front wheel resting on a rest plane, wherein the front wheel pivots around a respective first pivot axis orthogonal to the first oscillation axis;
a pair of rear legs rotatably coupled to the support frame around a second rotation axis, wherein each rear leg supports a rear wheel holder frame hinged to the respective rear leg around a second oscillation axis parallel to the second rotation axis and supporting a rear wheel resting on a rest plane, wherein the front wheel pivots around a respective second pivot axis orthogonal to the second oscillation axis;
a handling arrangement for the front wheel holder frame and the rear wheel holder frame;
a control module configured to keep the first pivot axis and the second pivot axis always orthogonal to the rest plane on which the front and rear wheels roll.-
公开(公告)号：US20230113855A1
公开(公告)日：2023-04-13
申请号：US17938097
申请日：2022-10-05
申请人： STEM S.R.L.
发明人： Ezio Menna , Michele Corradi
摘要： An ambulance stretcher, which comprises: a support frame for supporting a patient; a pair of front legs, each having a front wheel; a pair of rear legs, each having a rear wheel; an actuation arrangement provided with a front actuator, which moves the pair of front legs and a rear actuator, which moves the pair of rear legs; and a front coupling body connected to a front end of the support frame; a control unit of the coupling body provided at least a first sensor connected to the coupling body and configured to detect a correct positioning of the coupling body in a respective support coupling of an automatic loading/unloading apparatus of an ambulance, and at least a second sensor connected to the coupling body configured to detect a load bearing on the coupling body; at least one release arrangement arranged at the front end of the support frame and configured to operate a release between the coupling body and the support coupling; and an electronic control unit operatively connected to the actuation arrangement, to the release arrangement and to the control unit and configured to actuate one between the actuation arrangement and the release arrangement as a function of a signal received from at least one between the first sensor and the second sensor of the control unit.
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公开(公告)号：US20220347023A1
公开(公告)日：2022-11-03
申请号：US17669769
申请日：2022-02-11
申请人： HAWE Hydraulik SE
发明人： Christian Hart
摘要： A hydraulic system for a mobile rescue stretcher has a hydraulic cylinder, with first and second working chambers, a tank and pump. The first and second chambers are connected to the pump via first and second line arrangements, respectively, and can be pressurized by the pump. Hydraulic fluid flows out of the first chamber via the first line arrangement when pressure is applied to the second chamber. The first line arrangement has a first check valve which opens when pressure is applied to the second line arrangement. Hydraulic fluid flows out of the second chamber via the second line arrangement when pressure is applied to the first chamber. The second line arrangement has a first branch line connected to the pump and a second branch line connected to the tank. A pressure valve in the second branch line opens when pressure is applied to the second line arrangement.
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公开(公告)号：US10925781B2
公开(公告)日：2021-02-23
申请号：US16129165
申请日：2018-09-12
摘要： A power ambulance cot having a cot control system operably connected to a cot actuation system to control independent raising and lowering of front and back legs thereof, and which detects a presence of a signal requesting a change in elevation of a support frame thereof and causes the cot actuation system to raising or the lowering of the front and/or back legs automatically upon detecting a condition during loading/unloading a patient from an emergency vehicle or transporting the patient up or down an escalator and methods thereafter are disclosed.
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公开(公告)号：US10335329B2
公开(公告)日：2019-07-02
申请号：US14955816
申请日：2015-12-01
发明人： Nicholas V. Valentino , Matthew Palastro , Zhen Y. Shen , Timothy R. Wells , Timothy Paul Schroeder , Joshua James Markham , Robert L. Potak
IPC分类号： A61G1/056 , A61G1/02 , A61G1/04 , A61G7/012 , A61G3/02 , A61G1/048 , A61G7/005 , A61G7/018 , A61G3/08
摘要： According to one embodiment, a roll-in cot may include a support frame, a pair of front legs, a pair of back legs, and a cot actuation system. The pair of front legs may be slidingly coupled to the support frame. Each front leg includes at least one front wheel. The pair of back legs may be slidingly coupled to the support frame. Each back leg includes at least one back wheel. The cot actuation system includes a front actuator that moves the front legs and a back actuator that moves the back legs. The front actuator and the back actuator raises or lowers the support frame in tandem. The front actuator raises or lowers the front end of the support frame independently of the back actuator. The back actuator raises or lowers the back end of the support frame independently of the front actuator.
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公开(公告)号：US20190046372A1
公开(公告)日：2019-02-14
申请号：US16163931
申请日：2018-10-18
CPC分类号： A61G1/0562 , A61G1/0212 , A61G1/0237 , A61G1/025 , A61G1/0256 , A61G1/0262 , A61G1/0567 , A61G7/012 , A61G7/018 , A61G7/0527 , A61G2203/726
摘要： Embodiments of a cot comprise a support frame, legs coupled to the support frame, at least one hydraulic actuator configured to raise or lower the legs, and a manual release system coupled to the at least one actuator and configured to lower the cot manually at a controlled descent rate. The manual release system comprises a manual actuation component, a manual release valve operable to be opened upon actuation by the manual actuation component, a fluid reservoir operable to receive hydraulic fluid from the at least one actuator upon opening of the manual valve; and a flow regulator configured to control the flow rate of the hydraulic fluid into the fluid reservoir, wherein the release of hydraulic fluid into the fluid reservoir at the controlled flow rate is configured to manually lower the cot at the controlled descent rate.
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公开(公告)号：US20180303685A1
公开(公告)日：2018-10-25
申请号：US15949648
申请日：2018-04-10
申请人： Stryker Corporation
CPC分类号： A61G1/0567 , A61G1/0237
摘要： A patient handling apparatus includes a frame, a base, and a lift assembly supporting the frame relative to the base, the lift assembly configured to extend or contract to raise or lower the base or the frame with respect to the other of the base and the frame. The patient handling apparatus further includes a control system, which comprises at least one hydraulic cylinder to extend or contract the lift assembly, a hydraulic circuit to direct the flow of hydraulic fluid to and from the hydraulic cylinder, and a controller operable to control the hydraulic circuit. Based on an input signal, for example, an input signal that is indicative of a status or condition of the patient handling apparatus, the controller is configured to open, optionally automatically, fluid communication between the rod end chamber and the cap end chamber to redirect a portion of the fluid output from the rod end chamber to the cap end chamber when the rod is extending to thereby increase the extension speed of the rod.
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公开(公告)号：US10045894B2
公开(公告)日：2018-08-14
申请号：US15036983
申请日：2014-11-14
摘要： According to the embodiments described herein, a self-actuating cot can include a support frame, a pair of legs, and a hydraulic actuator. The support frame can extend from a front end to a back end. The pair of legs can be in movable engagement with the support frame. The hydraulic actuator can be in movable engagement with the pair of legs and the support frame. The hydraulic actuator can and extend and retract the pair of legs with respect to the support frame.
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公开(公告)号：US09925098B2
公开(公告)日：2018-03-27
申请号：US15334933
申请日：2016-10-26
申请人： Stryker Corporation
发明人： Clifford Edwin Lambarth , Jason James Wroblewski , Brandon David Naber , Alfred James Dacey, IV , Ross Timothy Lucas
IPC分类号： A61G1/017 , A61G1/02 , A61G5/00 , A61G1/056 , A61G5/06 , A61G7/05 , A61G7/16 , A61G5/10 , A61G1/003 , A61G1/04
CPC分类号： A61G1/017 , A61G1/003 , A61G1/02 , A61G1/0212 , A61G1/025 , A61G1/0262 , A61G1/0275 , A61G1/04 , A61G1/0567 , A61G5/006 , A61G5/061 , A61G5/104 , A61G5/1054 , A61G5/1067 , A61G5/1075 , A61G7/0513 , A61G7/165
摘要： A transport apparatus includes a frame, a lift mechanism supporting the frame, and a litter deck for supporting a person. The litter deck is adapted to be reconfigured between a chair configuration and a cot configuration. The litter deck is also adapted to be removably mounted to the frame, with the litter deck being adapted to be supported by the frame while the litter deck is in its chair configuration and also while being reconfigured between its chair configuration and its cot configuration.
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