CN217510547U

CN217510547U - Tourniquet

Info

Publication number: CN217510547U
Application number: CN202122853906.6U
Authority: CN
Inventors: 黄伦杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-09-30
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a tourniquet, including the tourniquet area body, be fixed with the belt clamp that is used for passing the tourniquet area body in the one end of the tourniquet area body, be equipped with one-way bearing screwing device on the next door of belt clamp, the tourniquet area body is including the outer bandage on top layer, and the inside of outer bandage is equipped with the inlayer and draws tight strip, and the inlayer draws tight strip and one-way bearing screwing device fixed connection, under the effect of one-way bearing screwing device, can take up the tourniquet more. Through increasing one-way bearing screwing device on ordinary tourniquet, set up the inlayer and pull up the strip in the inside of the tourniquet area body, when personnel bleed, the wounded can wrap the position of bleeding with tourniquet at first step, the rotatory one-way bearing screwing device of reuse one hand, make the inlayer pull up the strip and pull up tighter, because one-way bearing can not reverse, whole tourniquet can wrap the position of bleeding tightly like this, thereby realize that the wounded can effectively wrap up by one hand, and convenient operation.

Description

Tourniquet

Technical Field

The utility model belongs to the technical field of medical instrument, more specifically say, the utility model relates to a tourniquet.

Background

The tourniquet is a common emergency hemostasis tool, is used for emergency treatment of limb massive hemorrhage, and achieves the purpose of hemostasis by compressing blood vessels to block blood circulation.

Under the condition of an outdoor environment or one independent person, after the person is injured and bleeds, medical rescue is not timely driven to the place, and blood loss is a main reason for death. In this case, it is necessary to use a tourniquet to prevent blood loss from the injured arm or leg, and when the injured person is only one person, he must use only one hand to stop the blood flow in his arm or leg with the tourniquet, and cannot delay the operation time, because even a few seconds of delay in an emergency situation may cause fatal blood loss.

In addition, the weight and size of tourniquets used by special personnel, such as fighters, law enforcement, and recreational rescue teams, are limited, and such personnel carry a variety of critical equipment and are inconvenient to carry if one tourniquet is too heavy or too occupied. Therefore, there is a need to develop a light, small and efficient tourniquet that can be applied quickly by a special person or with one hand by a victim.

Disclosure of Invention

To the defect that above-mentioned prior art exists, the utility model aims to solve the technical problem that: provides a tourniquet which can be operated by a wounded person with one hand.

In order to solve the technical problem, the utility model discloses a realize through following technical measure: the utility model provides a tourniquet, includes the tourniquet area body, is fixed with the belt clamp that is used for passing the tourniquet area body in the one end of the tourniquet area body, wherein the next door of belt clamp is equipped with one-way bearing screwing device, the tourniquet area body is including the outer bandage on top layer, the inside of outer bandage is equipped with the inlayer and draws tight the strip, the inlayer draw tight the strip with one-way bearing screwing device fixed connection, under one-way bearing screwing device's effect, can more taut tourniquet.

Compared with the prior art, the utility model has the advantages of: through increasing one-way bearing screwing device on ordinary tourniquet, set up the inlayer and pull up the strip in the inside of the tourniquet area body, when personnel bleed, the wounded can wrap the position of bleeding with tourniquet at first step, the rotatory one-way bearing screwing device of reuse one hand, make the inlayer pull up the strip and pull up tighter, because one-way bearing can not reverse, whole tourniquet can wrap the position of bleeding tightly like this, thereby realize that the wounded can effectively wrap up by one hand, and convenient operation.

As an improvement of the utility model, the one-way bearing device of screwing is equipped with the supporting seat fixed with outer bandage, the one-way bearing of screwing on the supporting seat, one-way bearing's outer lane is equipped with the lug, the inlayer tensioning strip with the lug is fixed, one-way bearing's outer lane still is equipped with the handle of screwing. The purpose of selecting the design is as follows: the supporting seat and the outer bandage are required to be fixed to form a rigid whole, the one-way bearing plays a role of rotating only in one direction, the inner tensioning strip is required to be fixed on the lifting lug, and the outer ring of the one-way bearing is fixed with a screwing handle; after the handle is screwed by rotating the hand, the one-way bearing rotates passively to drive the lifting lugs on the one-way bearing to rotate together and then drive the inner layer tensioning strip fixed on the lifting lugs to rotate, so that the inner layer tensioning strip is tensioned more tightly.

As an improvement of the utility model, the bottom surface of the supporting seat is fixed on the outer bandage in a welding mode. The purpose of selecting the design is as follows: the support base and the outer bandage are connected together by fusion and compression to form a rigid whole, and fusion and compression is a common fixing mode.

As an improvement of the utility model, the outer circle diameter of the supporting seat is smaller than the inner diameter of the one-way bearing. The purpose of selecting the design is as follows: the one-way bearing is pressed into the outer circle of the supporting seat in a rigid mode, so that the one-way bearing and the supporting seat are in interference fit, a rigid whole is formed, and the rigid whole serves as the basis of the one-way bearing screwing device.

As an improvement of the utility model, the supporting seat with the one-way bearing is fixed for the parallel key cooperation. The purpose of selecting the design is as follows: the one-way bearing with the key groove is selected, the flat key groove is formed in the supporting seat, the one-way bearing and the flat key groove are matched and fixed through the flat key, and the other mode is used for realizing the fact that the one-way bearing and the supporting seat are combined into a rigid whole.

As an improvement of the utility model, the handle of screwing sets up through welded fastening ground one-way bearing's outer lane middle part. The purpose of selecting the design is as follows: by adding the screwing handle, the force for rotating the one-way bearing can be reduced, and the wounded can easily drive the tightening strip.

As an improvement of the utility model, the lug sets up through welded fastening ground the bottom surface of one-way bearing outer lane. The purpose of selecting the design is as follows: the tensioning strip is fixed on the lifting lug to realize the function of rotating together with the lifting lug.

As an improvement of the utility model, be equipped with the location shaft shoulder in the middle of the supporting seat, the supporting seat upside is equipped with the clamping ring groove. The purpose of selecting the design is as follows: the lower limit of the one-way bearing can be clamped by the positioning shaft shoulder, the elastic clamp spring is clamped in the clamp ring groove, and the upper limit of the one-way bearing can be clamped, so that the one-way bearing is positioned and fixed in the vertical direction (namely the Y direction).

As an improvement of the utility model, the supporting seat is made of plastic. The purpose of selecting the design is as follows: because the supporting seat needs to be fixed with the outer bandage, the material of the common outer bandage is also a plastic chemical product, and the supporting seat and the outer bandage can be mutually melted to form a rigid whole.

As an improvement of the utility model, the inner layer tensioning strip has elasticity, and the shape of the inner layer tensioning strip is flat. The purpose of selecting the design is as follows: the elastic inner layer tensioning strip can have larger expansion amount; the flat inner layer tension strip has larger force bearing area, and the wounded does not have the feeling of excessive tightening.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a front schematic view of the tourniquet of the present invention.

Fig. 2 is a schematic cross-sectional view of the tightening device for a one-way bearing according to the present invention.

Fig. 3 is a sectional view of the support seat of the present invention.

Fig. 4 is a cross-sectional view taken along line a-a of the present invention.

Fig. 5 is a schematic view of the one-way bearing of the present invention.

Description of reference numerals: 1. a tourniquet body; 2. a belt buckle; 3. a unidirectional bearing screwing device; 4. a supporting seat; 5. a one-way bearing; 6. lifting lugs; 7. a clamp spring; 8. an outer bandage; 9. an inner layer tensioning strip; 10. positioning the shaft shoulder; 11. a collar groove; 12. the handle is screwed tightly.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

Example 1

Referring to fig. 1-5, the tourniquet device provided in this embodiment comprises a tourniquet body 1, a buckle 2, and a one-way bearing tightening device 3.

In the embodiment of the utility model, the outer surface of the tourniquet body 1 is an outer bandage 8, the width is 4cm, the length is 85cm, and one end is provided with two belt buckles 2 which can be used as a common belt; a tightening strip (see figure 4 in detail) is arranged in the tourniquet body 1, and the inner layer tightening strip 9 is flat and has certain elasticity; beside the belt buckle 2, a support seat 4 is welded.

The utility model discloses in the embodiment of application, supporting seat 4 is the plastic material, it is whole to be a rigidity with 8 butt fusions of outer bandage, please refer to fig. 3, supporting seat 4's bottom surface is 4cm 8cm rectangle, up the round platform that is trapezoidal form again, on the round platform, for the high cylindrical of 3cm, the columniform external diameter is 2.6cm, just be greater than one-way bearing 5's internal diameter 2.5cm a little, one-way bearing 5 will be at external force down hard pressure supporting seat 4, a position to location shoulder 10 is pressed always, then reuse elasticity jump ring 7 blocks, prevent the removal of one-way bearing 5 in the Y direction.

In the embodiment of the utility model, the one-way bearing 5 is a common one-way bearing 5 with an inner diameter of 2.5cm, an outer diameter of 5cm and a thickness of 2 cm; two symmetrical lifting lugs 6 are welded at the position, close to the bottom surface, of the outer ring of the one-way bearing 5, a circular hole is formed in the center of each lifting lug 6, and the tensioning strip penetrates through the circular holes of the lifting lugs 6 and is fixed by fine line sewing; screwing handles are symmetrically welded at the outer ring of the one-way bearing 5 close to the middle part, the screwing handles are made of stainless steel materials and are round rods (detailed in figure 5) with the length of 1cm, and the welding mode is stainless steel argon arc welding.

The embodiment provides a tourniquet device, they are as follows and connect, a tourniquet, including the tourniquet area body 1, one end at the tourniquet area body 1 is fixed with belt clamp 2, the tourniquet area body 1 includes the outer bandage 8 on top layer and the inside inlayer tightening strip 9, be equipped with one-way bearing screwing device 3 on belt clamp 2's next door, one-way bearing screwing device 3 is equipped with supporting seat 4, supporting seat 4 is whole with 8 butt fusion of outer bandage rigidity, one-way bearing 5 sticiss on supporting seat 4, reuse jump ring 7 is spacing, the bottom surface welding of one-way bearing 5 has lug 6 of two symmetries, lug 6 on one side fixes the tightening strip on its edge, the handle 12 of screwing of two symmetries has in the outer lane middle part welding of one-way bearing 5.

The tourniquet device provided by the embodiment has the following working principle: the handle 12 of screwing is rotated, the handle 12 of screwing drives the one-way bearing 5 to rotate synchronously, the lifting lug 6 on the one-way bearing 5 also rotates synchronously, the tension strip fixed on the lifting lug 6 is pulled, and the one-way bearing 5 has irreversibility, so that the tension strip cannot be loosened, and an effective tension state is always kept.

The operation steps of the tourniquet device provided by the embodiment are as follows: when the tourniquet is used in emergency, the tourniquet is buckled on a bleeding part to realize primary tensioning, and the handle is screwed by rotating with one hand, generally two circles, so that effective hemostasis can be realized.

A tourniquet device, through increase one-way bearing screwing device on ordinary tourniquet, set up the inlayer and pull up the strip in the inside of the tourniquet area body, when personnel bleed, the wounded can wrap the position of bleeding earlier with tourniquet at first step, the rotatory one-way bearing screwing device of reuse one hand, make the inlayer pull up the strip and draw tighter, because one-way bearing can not reverse, whole tourniquet can wrap the position of bleeding and can not loosen like this, thereby realize that the wounded can singlehanded effectively, and convenient for operation.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.

Claims

1. The utility model provides a tourniquet, includes the tourniquet area body (1), is fixed with belt clamp (2) that are used for passing the tourniquet area body (1) at the one end of the tourniquet area body (1), characterized by: the next door of belt clamp (2) is equipped with one-way bearing screwing device (3), the tourniquet area body (1) is including outer bandage (8) on top layer, the inside of outer bandage (8) is equipped with inlayer tension strip (9), inlayer tension strip (9) with one-way bearing screwing device (3) fixed connection, under the effect of one-way bearing screwing device (3), can taut tourniquet more.

2. The tourniquet of claim 1, wherein: one-way bearing screwing device (3) is provided with a supporting seat (4) fixed with an outer bandage (8), one-way bearing (5) is fastened on supporting seat (4), the outer ring of one-way bearing (5) is provided with a lifting lug (6), inner layer tensioning strip (9) is fixed with lifting lug (6), and the outer ring of one-way bearing (5) is further provided with a screwing handle (12).

3. The tourniquet of claim 2, wherein: the bottom surface of the supporting seat (4) is fixed on the outer bandage (8) in a welding mode.

4. The tourniquet of claim 2, wherein: the diameter of the outer circle of the supporting seat (4) is smaller than the inner diameter of the one-way bearing (5).

5. The tourniquet of claim 2, wherein: the supporting seat (4) and the one-way bearing (5) are fixed in a flat key matching mode.

6. The tourniquet of claim 2, wherein: the screwing handle (12) is fixedly arranged in the middle of the outer ring of the one-way bearing (5) through welding.

7. The tourniquet of claim 2, wherein: the lifting lug (6) is fixedly arranged on the bottom surface of the outer ring of the one-way bearing (5) through welding.

8. The tourniquet of claim 2, wherein: a positioning shaft shoulder (10) is arranged in the middle of the supporting seat (4), and a clamping ring groove (11) is arranged on the upper side of the supporting seat (4).

9. The tourniquet of claim 2, wherein: the supporting seat (4) is made of plastic.

10. The tourniquet of claim 1, wherein: the inner layer tightening strip (9) has elasticity, and the shape of the inner layer tightening strip (9) is flat.