External fixing device reliable in fixation

Abstract

The utility model discloses an external fixing device reliable in fixation, which comprises a bag body with an inner cavity, a plurality of hollows penetrating along the thickness direction are arranged on the bag body, a liquid injection port communicated with the inner cavity is arranged on the bag body, a curing agent is filled in the inner cavity, and the external fixing device is characterized in that at least one exhaust port communicated with the inner cavity is arranged on the bag body. A gas one-way valve is arranged on the exhaust port; the in-vitro fixing device has the advantages that air in the inner cavity can be exhausted in time in the pouring process of the curing agent and is prevented from entering the curing agent again, the hardness of the cured curing agent is guaranteed, and therefore the in-vitro fixing device can reliably fix fracture or sprain parts. And the liquid injection port is provided with the liquid one-way valve, so that the curing agent only enters the inner cavity and does not flow out, and the flowing curing agent is prevented from flowing back and overflowing out of the bag body in the injection process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of in-vitro medical auxiliary instrument, especially relates to a reliable in-vitro fixing device. BACKGROUND

[0002] When a person is fractured or sprained, the clinic usually uses plaster and splint to fix and treat the fractured or sprained part of the patient. But this fixing method is poor in ventilation, and the skin will appear itching, rubbing pain, dermatitis and other problems due to stuffiness in the using process.

[0003] To solve the above problems, the Chinese utility model patent with the patent number 201820216841.X discloses a fracture external fixation device, which comprises an external fixation device body that can be wrapped on the patient's limbs, and a plurality of hollows are uniformly distributed on the external fixation device body. The solidifying agent is filled in the hollow structure inside the external fixation device body to fix the external fixation device body on the patient's limbs. Although the fracture external fixation device is good in ventilation, there are still some problems in actual application, such as: when the solidifying agent is injected into the body, air is usually mixed, the air cannot be discharged in the body, the strength of the solidifying agent is greatly reduced due to the existence of air, and even the purpose of fixing the fractured or sprained part cannot be achieved; in addition, the flowing solidifying agent will backflow and overflow the device body or be adhered to the skin during the injection process. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide an in-vitro fixation device, which can discharge the air in the inner bag in time during the injection process of the solidifying agent, so that the in-vitro fixation device plays a reliable fixing role on the fractured or sprained part after the solidifying agent is hardened.

[0005] The technical scheme adopted by the utility model to solve the above technical problem is: a reliable in-vitro fixation device, comprising a bag body with an inner cavity, a plurality of hollows penetrating in the thickness direction are arranged on the bag body, a liquid injection port communicating with the inner cavity is arranged on the bag body, a solidifying agent is injected into the inner cavity, at least one air exhaust port communicating with the inner cavity is arranged on the bag body, and a gas one-way valve is arranged on the air exhaust port.

[0006] Further, the air exhaust port is one, and is located at the upper end of the bag body.

[0007] Further, the air exhaust port is a plurality, and is distributed at different positions of the bag body.

[0008] Further, a liquid one-way valve is arranged on the liquid injection port.

[0009] Furthermore, the bag body is formed by hot pressing an outer layer, an inner bag, and an inner layer distributed sequentially from the outside to the inside, with the inner cavity located within the inner bag.

[0010] Furthermore, the inner layer is a sponge layer.

[0011] Furthermore, the bag body is sheet-like, and fixing components are provided on opposite sides of the bag body.

[0012] Furthermore, the fixing component is a strap or a connecting buckle.

[0013] Compared with existing technologies, the advantages of this invention are that the bag body is equipped with an exhaust port and a one-way valve, which allows air to be promptly expelled from the inner cavity during the curing agent injection process and prevents air from re-entering, ensuring the hardness of the curing agent after curing. This makes the external fixation device reliable for fixing fractures or sprains. Furthermore, the liquid injection port is equipped with a one-way valve, ensuring that the curing agent only enters and does not exit the inner cavity, preventing the flowing curing agent from flowing back and overflowing the bag during injection. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the unfolded state of this utility model. Detailed Implementation

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0016] As shown in the figure, a reliable external fixation device includes a bag 1 with an inner cavity. The bag 1 has multiple perforations 11 extending along its thickness. The bag 1 has an injection port 2 connected to the inner cavity. The injection port 2 is equipped with a liquid one-way valve 3. Curing agent is injected into the inner cavity through the injection port 2, and the liquid one-way valve 3 ensures that the curing agent can only enter and not exit, preventing the flowing curing agent from overflowing the bag 1 during the injection process. The upper end of the bag 1 has an exhaust port 4 connected to the inner cavity. The exhaust port 4 is equipped with a gas one-way valve 5, which allows air to be discharged from the bag 1 in a timely manner during the curing agent injection process and prevents air from re-entering. The bag 1 is sheet-shaped, and fixing components for binding are provided on opposite sides of the bag 1.

[0017] In the above embodiments, there can be multiple exhaust ports 4, which are distributed at different positions in the bag body 1, so that the air in the inner cavity can be discharged better and more thoroughly; the fixing components can be straps or connecting buckles, etc.

[0018] In addition, to improve the durability of the bag body 1, the bag body 1 can be formed by heat pressing an outer layer, an inner bag, and an inner layer distributed sequentially from the outside to the inside, with the inner cavity located in the inner bag. The inner layer can be made into a sponge layer, making the touch of human skin softer and more comfortable when in contact with the external fixation device.

[0019] The external fixation device of this utility model fixes fractured or sprained parts of the human body as follows: the fixative is injected into the inner cavity through the liquid one-way valve 3 and the injection port 2, while the air in the inner cavity is discharged through the exhaust port 4 and the gas one-way valve 5. After the curing agent is injected, before the curing agent hardens, the bag body 1 is wrapped and attached to the fractured or sprained part of the human body and bound by the fixation components. Then, wait for the curing agent to harden.

[0020] The scope of protection of this utility model includes, but is not limited to, the above embodiments. The scope of protection is defined by the claims. Any substitutions, modifications, or improvements to this technology that are easily conceived by those skilled in the art shall fall within the scope of protection of this utility model.

Claims

1. A reliable external fixation device, comprising a bag having an inner cavity, wherein the bag has a plurality of through-holes extending along its thickness, and the bag has an injection port communicating with the inner cavity, wherein the inner cavity is filled with a curing agent, characterized in that: The bag body is provided with at least one exhaust port communicated with the inner cavity, and the exhaust port is provided with a gas one-way valve.

2. A secure external fixation device as in claim 1, wherein: The exhaust port is one, and is located at the upper end of the bag body.

3. The secure external fixation device of claim 1, wherein: The exhaust port is multiple, and is distributed at different positions of the bag body.

4. The secure external fixation device of claim 1, wherein: The liquid injection port is provided with a liquid one-way valve.

5. The secure extracorporeal device of claim 1, wherein: The bag body is formed by heat pressing from outside to inside in sequence of an outer layer, an inner bag and an inner layer, and the inner cavity is located in the inner bag.

6. A secure external fixation device as in claim 5, wherein: The inner layer is a sponge layer.

7. The secure external fixation device of claim 1, wherein: The bag body is in a sheet shape, and opposite sides of the bag body are provided with fixing components.

8. A secure external fixation device as in claim 7, wherein: The fixing components are straps or connecting buckles.

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