The present invention is generally related to emergency cots, and is specifically directed to side arm extensions for patient transport devices, such as ambulance cots, stretchers, stair chairs, and the like. Additionally, the present invention is generally directed to mattress attachment members, specifically, mattress attachment members for ambulance cots.
According to one embodiment, a side arm extension for a patient transport device is provided. The side arm extension comprises a patient transport device engagement member configured to engage a patient transport device frame or a support frame attached to the patient transport device frame, the side arm extension further comprising a rotatable and pivotable arm rest, and side arm motion base connecting the arm rest to the patient transport device engagement member. The side arm motion base comprises, a rotational mechanism configured to rotate the arm rest; and a swing mechanism configured to pivot outwardly from the arm rest perpendicular to a perimeter of the patient transport device frame or patient transport device support frame.
According to another embodiment, an ambulance cot mattress is provided. comprising a mattress having a patient support side, a cot frame coupling side opposite the patient support side, and a plurality of mattress coupling members attached to the a cot frame coupling side and configured to attach the mattress to the support frame. Each mattress coupling member comprises a rotatable insert operable to be inserted into a slot of the support frame, wherein rotation of the mattress coupling member secures the mattress coupling member to the slot of the support frame.
The following detailed description of specific embodiments of the present invention can be best understood when read in conjunction with the following drawings, where like structure is indicated with like reference numerals and in which:
The embodiments set forth in the drawings are illustrative in nature and not intended to be limiting of the invention defined by the claims. Moreover, individual features of the drawings and invention will be more fully apparent and understood in view of the detailed description.
Referring to
As shown in the embodiment of
As will be detailed below, the side arm extension 5 comprises components which allow the side arm extension 5 to rotate, and pivot outwardly perpendicular to the perimeter of the support frame 3. In one configuration shown in
Referring to
In one embodiment, the rotational mechanism is a ratchet device as depicted in
Additionally, to facilitate rotation of the arm rest 10, the ratchet mechanism 37 is provided with discrete positional slots 39. When the tab 38 is disengaged from the slot 27 of the patient transport device coupling member 20 by a suitable actuation mechanism (e.g., button 26), the tab 38 may move between discrete positional slots 39, which thereby facilitates rotation of the arm rest 10 to different positions. As shown in
Turning to the swing mechanism as shown in
Referring to
In further embodiments, it may be desirable to reduce the radius of swinging, for example, to about 90°, or in a specific embodiment, to about 25°. Referring to
Additionally,
Further as shown in
While the above embodiments are directed to a side arm for an ambulance cot, it is further contemplated that the side arm extension could be coupled to other patient transport devices such as stair chairs, wheel chairs, stretchers, etc.
The present disclosure is also directed to an ambulance cot mattress fastening component. Referring to
Referring to
In a further embodiment as shown in
It is further noted that terms like “preferably,” “generally”, “commonly,” and “typically” are not utilized herein to limit the scope of the claimed invention or to imply that certain features are critical, essential, or even important to the structure or function of the claimed invention. Rather, these terms are merely intended to highlight alternative or additional features that may or may not be utilized in a particular embodiment of the present invention.
Having described the invention in detail and by reference to specific embodiments thereof, it will be apparent that modifications and variations are possible without departing from the scope of the invention defined in the appended claims. More specifically, although some aspects of the present invention are identified herein as preferred or particularly advantageous, it is contemplated that the present invention is not necessarily limited to these preferred aspects of the invention.
This application claims priority to U.S. provisional application 61/733,072 filed Dec. 4, 2012, which is incorporated by reference herein in its entirety.
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