Hospital bed

Details Hospital bed Hospital bed

2000-08-03

2002-05-21

Browne, Lynne H. (Department: 3628)

Beds

Invalid bed or surgical support

C005S425000, C005S613000

Reexamination Certificate

active

06389622

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a hospital bed, and especially to a novel hospital bed structure, thereby, the operation and assembly of the bed is simple and convenient, the structure is enhanced, the use of the hospital bed is effective, and it satisfies the need of the patients and medical staffs.
BACKGROUND OF THE INVENTION
As shown in
FIG. 1
, the conventional hospital bed is illustrated. It is basically comprises of a bed frame
10
, a bed platform
11
, a front plate
12
and a distal plate
13
installed at both the front and rear ends of the bed frame
10
, respectively, and siderails
14
installed at two sides of the bed frame
10
. In order not to hinder the mobility of the patient and to protect him or her from the patient falling down from the bed, the siderails
14
are designed to be lifted and descended. As shown in the figures, the siderails can be pulled or pushed laterally so as to lift or descend. Siderails of some hospital bed are adjusted by rotating a crank. In this case, since no proper force applied point is designed in the conventional hospital bed, it is common of the user to hold the transversal rods to push or pull the siderail
14
instead. As a result, it happens often that the user's fingers being hurt by the edges of the siderail
14
or the bed platform
11
. This troubles medical staff very much.
Furthermore, in the prior art hospital bed, in order for a patient with a serious disease to conduct activity easily, the bed platform
11
is designed to be structure with a plurality of plates
110
. A driving device is also installed in the bed frame
10
so that the patient can control the with a controller or a remote controller to adjust the bending angle of the bed platform to satisfy one's need. However, despite a line controller or a remote controller, it is often not fixed at one place properly so that it is sometimes difficult to be locate when needed. Moreover, it is possible to be broken due to press or impact. Furthermore, since the patient's physical condition is weak, thus a complete safeguard is necessary. The prior art hospital bed as shown in
FIG. 1
has many sharp corners which may hurt the patient, especially, the corners at the two lower sides of the front plates
12
and distal plates
13
. Not only the patients or the medical staffs are easily harmed due to collision, the corners can also hit the peripheral object easily to induce a dangerous event.
Besides, for the hospital bed
11
, since each plate
110
of the prior art hospital bed
11
must be made by pressing a mold, namely, as shown in
FIGS. 2 and 3
. The plate
110
includes protruded edge strips
111
, slide-proof strips
112
, slide-proof blocks
113
and concave vents
114
and are made by pressing respective mold individually. Consequently, the whole process for completing a whole bed platform needs many times and work. Moreover, the original plates with uniform thickness must become thinner after forming the aforesaid protruded edge strips
111
, slide-proof strips
112
, slide-proof blocks
113
and concave vents
114
. This phenomenon becomes apparent at the edges and curved portion (as shown in
FIG. 3
) so that the plates
110
without enhancing structure become weak. Therefore, a further supporting strip
115
is required to be adhered to the concave space at the bottom of the slide-proof strips
112
. Furthermore, the prior art hospital bed can bend at the transversal direction by pressure (as shown in FIG.
4
). The thin edges at aforesaid structure, will be formed with coarse surface, not only unbeautiful, but also too sharp to preserve safety.
The front plate
12
and the distal plate
13
at two ends of the bed frame
10
are inserted vertically, and can be undetached for medical and emergency purposes. Both plates are usually loosely attached in a conventional sickbed. The phenomena may be dangerous during transporting patients in a hospital.
Therefore, there is an eager demand for a novel hospital bed by which many defects can be improved.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the present invention is to provide a sickbed comprises a bed frame, a bed platform, a front plate, a distal plate, and separate siderails at each side. The outer side of each of the four siderails is installed with at least one inner concave groove for being inserted by fingers to pull or push the siderails safely. Inner side of one siderail is installed with a controller for driving the driving device. The operation thereof is conveniently and labor-saved.
Another object of the present invention is to provide a hospital bed, wherein The front siderail is installed with a remote or line controller at one side for controlling the elevation angle of a bed platform, which is easily achieved by arm of a patient or medical staff.
A further object of the present invention is to provide a hospital bed, wherein lower corners at two sides of the front plate and distal plate are installed with an impact-proof head for protecting the patient or others from being harmed. Moreover, as the hospital bed is moved, they will not harm anyone.
A yet object of the present invention is to provide a hospital bed with multiple plate, wherein The corners stoppers, sliding-proof strips, vents, ribs are formed integrally. Thus, these structures have a uniform thickness not to become thinner so as to destroy the structure. Moreover, the edge will be smooth without hurting anyone. The plurality of enhancing ribs formed at one time supporting the bed platform from the lower side, thus the structure is enhanced. Each plate of the platform, made of ABS is waxhable. Since the bed platforms can be taken off completely, they provide a convenient condition for routine maintenance and repair purpose.
A still object of the present invention is to provide a hospital bed, wherein the front plate and distal □□plate of the bed frame can be assembled easily and conveniently. The bed frame is installed with a movable clamping piece which includes a fixing seat, a pressing plate which can be pushed or pulled, a rear clamping plate movably connected to the fixing seat, and a tightening block connected between the pressing plate and the rear clamping plate. By the special linkage therebetween, the user only needs to push the pressing plate, the plate can be clamped. As the pressing plate is pulled upwards, the plate is released and can be detached easily. The various objects and advantages of the present invention will be more readily understood from the following detailed description when reading in conjunction with the appended.


REFERENCES:
patent: 5129117 (1992-07-01), Celestina et al.
patent: 5926878 (1999-07-01), Morton et al.

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