CN113367905A

CN113367905A - Expandable backboard

Info

Publication number: CN113367905A
Application number: CN202110571220.XA
Authority: CN
Inventors: 张金旻; 陶荣锁; 高瑞林; 都金; 张健东; 王珂男; 鲍涛; 倪凯; 董伟; 曹洁; 刘辉
Original assignee: Second Military Medical University SMMU
Current assignee: Second Military Medical University SMMU
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-09-10

Abstract

The invention relates to an expandable backboard, which comprises a basic board and an extension board, wherein the basic board is provided with a first opening and a second opening; the basic plate and the extension plate are embedded and connected into a rectangular plate shape through a comb-shaped sliding groove structure, a threaded hole penetrating through the comb-shaped sliding groove is formed in the side face of the basic plate, and a bolt used for tightly jacking the extension plate at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening; the back of the base plate is fixed with double shoulder straps; the bandage is also arranged, and fixing pieces are respectively arranged at two ends of the bandage; and fixing blocks for connecting the fixing parts are respectively arranged near two sides of the basic plate or the extension plate. The invention has the advantages of providing a novel expandable backboard form and improving the carrying capacity of a battlefield.

Description

Expandable backboard

Technical Field

The invention relates to the field of battlefield emergency transport, in particular to an expandable backboard.

Background

In the event of military training, field work, high risk sports, injuries are inevitable and it is necessary to prepare emergency rescue equipment for the safety of the participants, as needed from time to time. In the process of the activities, no professional medical support is generally provided, so that once the injuries occur, the basic vital signs are required to be self-rescued or mutually rescued on the spot, the stability of the basic vital signs is maintained, enough time is reserved for subsequent emergency treatment, and the requirements of convenience in carrying and use and exact effect are provided for the rescue equipment. During such activities, after trunk injury due to various reasons, patients usually need to perform trunk fixation, wound site dressing, pressure dressing of severe bleeding sites, and other treatments during emergency treatment. The fixing of the trunk can reduce the secondary injury of the patient after fracture, and is convenient for safe transportation; if the trunk part has trauma, the wound can be protected by isolating the polluted environment, reducing bleeding and the like; if serious hemorrhagic injury occurs, generally dressing can not take effect, dressing under pressure is more necessary to stop bleeding. Because excessive equipment load cannot be saved to carry emergency rescue equipment in such activities, the equipment carried by a single person is limited in types and simple in function under normal conditions. Taking military training with higher medical guarantee level as an example, soldiers need to carry a large amount of fighting equipment during training, and in order to ensure mobility, the first-aid equipment which can be carried is only a small-sized rescue bag at most, even only rescue equipment such as a bandage and a triangular towel. If too much rescue equipment is carried, the mobility of soldiers can be reduced, and at present, a composite functional back plate with the functions of stretcher transfer, medical emergency pressure bandaging and battlefield protection is not found to be arranged on medical staff in the battlefield.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and solve the problem that the medical transport in the battlefield and the equipment thereof are difficult to carry.

In order to achieve the above purpose, the invention provides an expandable backboard, which comprises a basic board and an extension board; the basic plate and the extension plate are embedded and connected into a rectangular plate shape through a comb-shaped sliding groove structure, a threaded hole penetrating through the comb-shaped sliding groove is formed in the side face of the basic plate, and a bolt used for tightly jacking the extension plate at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening; the back of the base plate is fixed with double shoulder straps. The bandage is also arranged, and fixing pieces are respectively arranged at two ends of the bandage; and fixing blocks for connecting the fixing parts are respectively arranged near two sides of the basic plate or the extension plate.

The lateral surface of the basic board is provided with parallel grooves to form a female end of the comb-shaped sliding groove, and the lateral surface of the extension board is provided with parallel grooves to form a male end matched with the comb-shaped sliding groove. The length of the extension plate sliding into the basic plate can be adjusted by adjusting the embedding degree, and the extension plate and the basic plate form a complete rectangular plate after being completely pressed and embedded. The bolt is screwed into the groove from the side surface of the basic plate to abut against the side surface of the extension plate main body, so that the extension plate and the basic plate can be mutually fixed; after the bolt is unscrewed, the basic plate and the extension plate are loosened, so that the embedding degree can be conveniently adjusted. The structure of the middle large opening can be in a T-shaped section or a middle-shaped section and the like. The single double-shoulder strap is in a strip sheet shape, and can be divided into two parts which are respectively fixed at the upper part and the lower part of the two sides of the basic plate through general arrangement, and the ends of the two parts are connected and fixed. The matching form of the fixing piece and the fixing block can be the matching form of the clamping piece and the clamping groove, the matching form of the hair surface and the hook surface and the like.

Preferably, the top end or the bottom end of the comb-shaped sliding chute of the extension plate is provided with a braking cushion block.

The brake pad block can be in the form of a spring, a sand bag, a rubber pad and the like.

Preferably, the other side edge of the basic plate, which is opposite to the comb-shaped sliding groove, is hinged with a neck supporting plate through a hinge.

The neck support plate is matched with the hinge for use, and can be turned over to enable the neck support plate and the basic plate to be located on the same plane and positioned when needed so as to support the neck of a carried person; when the neck support plate is not needed, the neck support plate can be turned over to enable the neck support plate to be overlapped with the basic plate, so that the bulges at the position are reduced, and the neck support plate is convenient to bear.

Preferably, a neck support plate extends from the other side of the basic plate opposite to the comb-shaped sliding grooves, the neck support plate is connected to the basic plate through a second comb-shaped sliding groove structure which is embedded with the basic plate, and the second comb-shaped sliding grooves are respectively arranged on the surfaces of the neck support plate and the basic plate; the other surface of the basic plate is provided with a threaded hole penetrating to the second comb-shaped sliding groove, and a bolt for tightly propping the neck supporting plate at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening.

The neck supporting plate that this department indicates cooperates the use of second pectination spout, when needs, can pull out neck supporting plate and basic board and fix a position, and the pull in-process makes it remain to be located the coplanar basically all the time for the whole reliability of device is higher.

Preferably, two opposite sides of the basic plate and the other side of the extension plate opposite to the comb-shaped sliding chute are provided with handles.

The two opposite side surfaces of the base plate referred to herein refer to the two side surfaces without the comb-shaped sliding grooves, so that the whole center of gravity of the backboard for supporting the wounded can be located between the handles after the user carries all the handles.

Preferably, the fixing piece is a sheet-shaped adhesive buckle, and the fixing piece is a hanging ring structure used for penetrating the bandage.

After penetrating one half of the thread gluing which is pointed by the fixing piece into the hanging ring, turning back and pasting the thread gluing to the other half of the thread gluing, and therefore the fixing piece and the fixing block can be quickly connected and fixed.

Preferably, the surface of the bandage is also fixed with an air sac.

The balloon may be configured to be inflatable and deflatable for ease of carrying and pressurization adjustment.

The comb-shaped sliding grooves of the basic plate and the extension plate are matched with bolts, and the overall length of the back plate can be adaptively adjusted according to the needs of carriers. After the medical care personnel carry the backpack with the shoulder straps, the basic board and the extension board fixed on the basic board can be stably carried on the back, which is convenient for carrying; the fixing device can be directly used for fixing the wounded when the wounded is carried.

When the compression degree of the back plate reaches the maximum (namely the extension plate and the basic plate are completely pressed and embedded), the brake cushion block props against the extension plate, so that the extension plate can not slide any more, collision is reduced, and the service life of the whole body is prolonged.

The neck support plate matched with the second comb-shaped sliding groove can more reliably support the head and neck of the carried person; when the neck support plate is not needed, the neck support plate can be pushed back to enable the neck support plate to be overlapped with the basic plate, the bulges at the position are reduced, and the neck support plate is convenient to bear.

The setting of handle is convenient to be held when transferring the wounded to make the backplate that basic board and extension board constitute can support the wounded steadily in service. After the basic board and the extension board are unfolded, the wounded lie on the basic board, and 2 to 3 users can lift the back board integrally and stably by respectively carrying the handles.

The bandage strip can play a role in fixing a backpack or an injured person by fixing two ends of the bandage strip on the back plate.

The air bag is fixed on the bandage, so that the wounded on the back plate can be bound under pressure.

The novel extensible backboard has the beneficial effects that the novel extensible backboard form is adopted, and the battlefield carrying capacity is improved.

Drawings

FIG. 1 is a general schematic view of a first embodiment of the expandable backing sheet of the present invention shown after deployment without a bandage;

FIG. 2 is a schematic view of the entire back of a first embodiment of the expandable backing sheet of the present invention after expansion without a bandage;

FIG. 3 is a general view of the expandable backing sheet of the present invention after it is fastened without a bandage;

FIG. 4 is a schematic view of a first embodiment of the expandable backboard of the present invention with the neck support plate removed from the base board;

FIG. 5 is a schematic view of the expandable backboard according to the first embodiment of the present invention, showing the neck support plate removed from the base board;

FIG. 6 is a schematic view of an extension board in a first embodiment of the expandable back board of the present invention;

FIG. 7 is an overall view of the expandable back panel of the second embodiment of the present invention after deployment;

FIG. 8 is a schematic overall view of the expandable backing plate of the second embodiment of the present invention after being tightly embedded;

FIG. 9 is a schematic view of an entire expandable backing plate of the present invention at another angle after the second embodiment is tightly embedded;

FIG. 10 is a schematic view of a neck support plate of a second embodiment of the expandable backboard of this invention;

FIG. 11 is a schematic view of a second embodiment of the expandable backing sheet of the present invention;

FIG. 12 is a schematic view of an extension board of a second embodiment of the expandable back board of the present invention;

wherein:

1-basic board 2-neck support board 3-hinge

4-backpack strap 5-storage box 6-brake pad

7-extension board 8-handle 9-air bag

10-bandage

Detailed Description

The invention is further described below with reference to the following figures and specific examples.

An expandable back plate according to fig. 1 to 12 comprises a base plate 1 and an extension plate 7; the base plate 1 and the extension plate 7 are connected into a cuboid plate shape in a jogged mode through a comb-shaped sliding groove structure, a threaded hole penetrating through the comb-shaped sliding groove is formed in the side face of the base plate 1, and a bolt used for tightly jacking the extension plate at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening; the back of the base plate 1 is fixed with a double-shoulder strap 4. A bandage 10 is further arranged, and fixing pieces are respectively arranged at two ends of the bandage 10; and fixing blocks for connecting the fixing parts are respectively arranged near two sides of the basic plate 1 or the extension plate 7. The fixing piece is a sheet-shaped adhesive buckle, and the fixing piece is of a hanging ring structure used for penetrating the bandage. The surface of the bandage 10 is also fixed with an air bag 9.

The top end or the bottom end of the comb-shaped sliding chute of the extension plate 7 is provided with a braking cushion block 6.

The two opposite side surfaces of the basic board 1 and the other side surface of the extension board 7 opposite to the comb-shaped sliding chute are provided with handles 8. And a storage box 5 for placing an air bag 9 and a bandage 10 is further fixed on the side surface of the base plate 1.

According to a first embodiment shown in fig. 1 to 6, the base plate 1 is hinged to a neck support plate 2 by a hinge 3 on the other side of the comb chute.

More specifically, from another perspective, the expandable backboard of the embodiment comprises a basic board 1, an extension board 7, a brake pad 6, a neck support board 2, a connecting hinge 3, a shoulder strap 4, a storage box 5, a handle 8, an air bag 9 and a bandage 10. The basic board 1 and the extension board 7 are connected through the matching of the dressing sliding groove structure, a complete cuboid can be formed, the length of the extension board 7 sliding into the basic board 1 can be adjusted, a threaded hole is formed in the side face of the basic board 1, a bolt can be drilled into the extension board 7 through the threaded hole, and therefore the length of the extension board 7 sliding into the extension board can be fixed. Establish a braking cushion 6 at the tip of extension board 7, neck backup pad 2 is connected through connecting hinge 3 with basic board 1, and collapsible the opening supports needs carrier's neck during the use, and the side is equipped with handle 8 totally five with the lower terminal surface of extension board 7 about basic board 1, grips when conveniently shifting the wounded. The back of the base plate 1 is also fixed with a brace 4, and medical staff can carry on the back in a tightened state by using the brace 4, so that the back-carrying chair is convenient to carry at ordinary times. The side still has receiver 5 about the base plate 1 through welding or bolted connection, places gasbag 9, bandage 10 respectively in the receiver 5 about, and its quantity and kind can be a plurality ofly. When the wounded person is injured on the battlefield, the air bag 9 can be quickly taken out to be inflated for pressurization, hemostasis and bandaging. The hemostatic air bag 9 and the bandage 10 are combined when the pressure hemostatic dressing of the wound is performed. The inner sides of the bandages 10 are distributed with the air bags 9 which can be pressurized and expanded, a plurality of bandages 10 are arranged in a certain overlapping mode, and when the bandages 10 are alternately placed, the function of emphasizing and fixing special areas can be achieved.

The equipment can be directly worn on the back for standby, or can be placed on the back of a wearer or a backpack for standby in advance, and the bandage 10 is folded and hidden in the storage boxes 5 on two sides of the base plate 1 for standby. When the bandage is used, the bandage 10 and the air bag 9 are pulled out, the air bag 9 is inflated and expanded after the bandage is fixed, the pressure of the fixed bandage 10 is increased, the effect of pressure bandaging can be achieved, and the position and the strength of pressure can be adjusted by changing the inflation quantity at the moment. If the fixing range needs to be increased, the extension board 7 can be pulled out of the basic board 1, so that the coverage range of the back board is extended downwards, and the fixing range is increased. At this time, the back board is carried by the handle 8, so that the wounded person can be easily carried and transferred. After use, the bandage 10 is untied one by one to easily separate the device from the wounded, and then the wounded is stored and disposed.

According to the second embodiment shown in fig. 7 to 12, a neck support plate 2 extends from the other side of the basic board 1 opposite to the comb-shaped sliding slot, the neck support plate 2 is connected to the basic board 1 through a second comb-shaped sliding slot structure which is embedded with each other, and the second comb-shaped sliding slots are respectively arranged on the surfaces of the neck support plate 2 and the basic board 1; the other surface of the basic plate 1 is provided with a threaded hole penetrating to the second comb-shaped sliding groove, and a bolt for tightly propping the neck supporting plate 2 at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening. The surface of the extension plate 7 is also provided with a concave part avoiding the neck support plate 2, so that the expandable back plate can be more fully contracted.

The back plate has the following functions:

1. the stretcher has the advantages that the stretcher transportation function, the medical rescue functions such as injured pressure bandaging and the like are combined, the structure is simple, and the functions are various;

2. has two states of contraction and stretching, can transport the wounded when stretching and stretching, and has a protection function when being carried on the back of the wounded.

3. Compared with a common stretcher, the main structure of the stretcher can be made of high-strength, low-density and light-weight materials, such as aviation aluminum, titanium alloy, magnesium alloy, aluminum alloy, carbon fiber and nano materials, can be directly carried by health medical workers, and can also be placed into a health rescue backpack, so that the stretcher is light in weight and easy to carry, and is very convenient to rescue and use on a battlefield.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions, all of which are within the scope of the invention as defined by the appended claims.

Claims

1. An expandable backboard is characterized by comprising a basic board and an extension board; the basic plate and the extension plate are embedded and connected into a rectangular plate shape through a comb-shaped sliding groove structure, a threaded hole penetrating through the comb-shaped sliding groove is formed in the side face of the basic plate, and a bolt used for tightly jacking the extension plate at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening; the back of the base plate is fixed with double shoulder straps; the bandage is also arranged, and fixing pieces are respectively arranged at two ends of the bandage; and fixing blocks for connecting the fixing parts are respectively arranged near two sides of the basic plate or the extension plate.

2. The expandable back plate as claimed in claim 1, wherein the top or bottom ends of the comb-shaped sliding slot of the extension plate are provided with braking pads.

3. An expandable backboard according to claim 1, wherein the base board is hinged with a neck support board by a hinge relative to the other side edge of the comb-shaped chute.

4. The expandable back plate according to claim 1, wherein a neck support plate extends from the other side of the basic plate opposite to the comb-shaped sliding grooves, the neck support plate is connected to the basic plate through a second comb-shaped sliding groove structure which is embedded with each other, and the second comb-shaped sliding grooves are respectively arranged on the surfaces of the neck support plate and the basic plate; the other surface of the basic plate is provided with a threaded hole penetrating to the second comb-shaped sliding groove, and a bolt for tightly propping the neck supporting plate at the tail end is screwed in the threaded hole; the cross section of the comb-shaped sliding chute is of a structure with a large middle opening and a small middle opening.

5. The expandable back plate as claimed in claim 1, wherein the two opposite sides of the basic plate and the other side of the extension plate opposite to the comb-shaped sliding slot are provided with handles.

6. The expandable backboard according to claim 1, wherein the fixing member is a sheet-shaped adhesive fastener, and the fixing block is a hanging ring structure for penetrating a bandage.

7. The expandable backing sheet of claim 1 wherein the surface of said bandage is further secured with air pockets.