Medicine powder injection device

Through the design of the inverted conical cylinder and piston section, the powder injection device achieves deep hemostasis for penetrating gunshot wounds or shrapnel wounds, solving the problem of powder not being able to penetrate deeply, improving the hemostatic effect and ease of operation, and reducing the patient's pain and risk of infection.

CN223464348UActive Publication Date: 2025-10-24HEBEI UNIV OF TECH
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Patent Information

Application Number
CN202422560752.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-24
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

In existing technologies, it is difficult for powder to penetrate deep into the bleeding points of penetrating gunshot wounds or shrapnel wounds to effectively stop bleeding, and traditional methods may lead to secondary infections and pose a significant risk of death.

Method used

A powder dispensing device was designed, comprising an inverted conical cylinder and a piston. The bottom of the inverted conical cylinder is spherical, and there is a U-shaped opening on the cylinder. The piston can push the powder out, and the sealing part ensures that the powder is not contaminated.

Benefits of technology

The powder injection device can reach deep into the bleeding point for effective hemostasis, reduce friction and pain, improve the survival rate of battlefield wounded, and has a simple structure and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a medicine powder injection device. The medicine powder injection device comprises a medicine cylinder, a piston part and a sealing part, an opening for filling the medicine powder is formed in the top of the medicine cylinder; the lower middle portion of the medicine cylinder is arranged to be an inverted-cone-shaped cylinder body, and the bottom of the inverted-cone-shaped cylinder body is arranged to be a spherical surface. A plurality of hollow U-shaped openings are uniformly formed in the inverted conical cylinder body and are used for outputting medicine powder; the piston part is separably arranged in the medicine cylinder and is used for pushing and injecting medicine powder in the medicine cylinder; and the sealing part is used for sealing the top opening and the U-shaped opening at the middle lower part of the medicine cylinder. By means of the inverted-cone-shaped barrel body with the bottom spherical surface and the U-shaped opening, the medicine barrel can conveniently stretch into a deep bleeding point when stopping bleeding of a deep gun wound or a fragment wound and a through wound. The U-shaped opening is opened through the piston disc, so that the medicine powder covers a bleeding point to quickly and effectively stop bleeding, and the treatment survival rate of the battlefield wounded is increased. The device is simple in overall structural design and convenient to operate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially is involved in a medicine powder push injection device. BACKGROUND

[0002] At present, the most common method for treating gunshot and fragment wound is to use gauze to block the wound, but the hemostatic effect of this method is still limited, and there is a risk of secondary infection, which can cause the death of the wounded. Medicine powder hemostasis is widely used in surgical wound hemostasis treatment because of its good hemostatic effect and no toxic and side effects on the human body. However, it is usually used for open wounds, and the wound of gunshot and fragment is usually deep, with more bleeding and pollution, so it is a penetrating wound, and normal application of medicine powder cannot reach the bleeding point to achieve effective hemostasis. Therefore, it is of great significance to design and develop a medicine powder push injection device which can be operated by single hand or double hands for battlefield gunshot, fragment and penetrating wound hemostasis to improve the treatment of wounded soldiers on the battlefield and improve the survival rate. SUMMARY

[0003] The utility model aims at providing a medicine powder push injection device to solve at least one of the above technical problems in the prior art.

[0004] To solve the above technical problems, the utility model provides a medicine powder push injection device, which comprises a cartridge, a piston part and a sealing part.

[0005] The top of the cartridge is provided with an opening for medicine powder filling;

[0006] The middle and lower part of the cartridge is provided with a reverse conical cylinder, and the bottom of the reverse conical cylinder is provided with a spherical surface;

[0007] A plurality of U-shaped openings are uniformly arranged on the reverse conical cylinder for the output of medicine powder;

[0008] The piston part is detachably arranged in the cartridge for the push injection of medicine powder in the cartridge;

[0009] The sealing part is used for sealing the top opening and the U-shaped opening of the middle and lower part of the cartridge.

[0010] The reverse conical cylinder can make the cartridge extend to the bleeding point in the deep wound to achieve the purpose of timely and effective hemostasis, and the spherical surface at the bottom of the reverse conical cylinder can reduce the pain of the wounded when the cartridge extends into the wound.

[0011] Further, the sealing part comprises a sealing cover arranged at the top of the cartridge for sealing the top opening of the cartridge.

[0012] The sealing of the top opening of the cartridge is not limited to the sealing cover, but can also be sealing paper or sealing film, etc.

[0013] Further, the sealing part further comprises a sealing cap sleeved on the outside of the medicine cartridge for sealing the U-shaped opening of the inverted conical cylinder.

[0014] The sealing part avoids the contamination of the medicine powder in the medicine cartridge by the external environment.

[0015] Preferably, the material of the medicine cartridge is HDPE, LDPE, PP or PTFE.

[0016] Further, the upper part of the medicine cartridge is in a cylindrical shape.

[0017] Further, the upper part of the medicine cartridge is further fixedly provided with a handle for holding the medicine cartridge.

[0018] Further, the piston part comprises a piston disc, a piston rod and a pressure disc.

[0019] Further, the outer diameter of the piston disc is adapted to the inner diameter of the cylindrical upper part of the medicine cartridge for the injection of the medicine powder in the medicine cartridge.

[0020] Specifically, when the piston part is pushed downward, the piston disc will open the U-shaped opening of the inverted conical cylinder part, so that the medicine powder in the medicine cartridge is output to the bleeding point to achieve the purpose of effective hemostasis.

[0021] By adopting the above technical scheme, the present application has the following beneficial effects:

[0022] The medicine powder injection device has the following advantages:

[0023] The inverted conical cylinder provided with the bottom spherical surface and the U-shaped opening makes the medicine cartridge convenient to be inserted into the deep bleeding point when the medicine cartridge is used to stop bleeding of a deep gun wound or a fragment wound, and reduces the friction between the medicine cartridge and the wound when the medicine cartridge is inserted, thereby reducing the additional pain of the wounded person; the U-shaped opening is opened by the piston disc, so that the medicine powder covers the bleeding point to achieve rapid and effective hemostasis, thereby improving the survival rate of wounded persons in the battlefield. The device has a simple overall structure and is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present application or the technical scheme in the prior art, the drawings needed in the following specific embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0025] Figure 1 The front view of the medicine powder injection device provided by the embodiment of the present application in use.

[0026] Figure 2 A perspective view of the medicine powder injection device according to the embodiment of the present application in use;

[0027] Figure 3 A front view of the medicine powder injection device according to the embodiment of the present application when not in use;

[0028] Figure 4 A perspective view of the medicine powder injection device according to the embodiment of the present application when not in use;

[0029] Figure 5 A perspective view of the medicine cylinder of the medicine powder injection device according to the embodiment of the present application;

[0030] Figure 6 A perspective view of the piston part of the medicine powder injection device according to the embodiment of the present application;

[0031] Figure 7 A perspective view of the sealing part of the medicine powder injection device according to the embodiment of the present application.

[0032] Reference signs:

[0033] 10 - medicine cylinder; 11 - inverted conical cylinder; 12 - spherical surface; 13 - U-shaped opening; 14 - handle; 20 - piston part; 21 - piston disc; 22 - piston rod; 23 - pressure disc; 30 - sealing part; 31 - sealing cover; 32 - sealing cap. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0037] The utility model is further explained and described below in combination with specific implementation.

[0038] As Figures 1-4 Indicated, the drug powder push injection device provided by the embodiment, including: medicine cartridge 10 and piston part 20 and sealing part 30;

[0039] The medicine cartridge 10 top is provided with the opening for drug powder filling;

[0040] The medicine cartridge 10 middle and lower part is set up the inverted cone body 11, and the bottom of inverted cone body 11 is set up the spherical surface 12;

[0041] The inverted cone body 11 is evenly provided with several hollow U-shaped openings 13, for the output of drug powder;

[0042] The piston part 20 is detachably arranged in the medicine cartridge 10, for the push injection of drug powder in the medicine cartridge 10;

[0043] The sealing part 30 is used for the sealing of the medicine cartridge 10 top opening and middle and lower part U-shaped opening 13.

[0044] The setting of inverted cone body 11 can make medicine cartridge 10 extend to the bleeding point in the deep wound, realize the purpose of timely and effective hemostasis, and the spherical surface 12 setting of the bottom of inverted cone body 11 can reduce the pain of the wounded when extending into the wound.

[0045] In the embodiment, the U-shaped opening 13 is symmetrically and crossly arranged with two.

[0046] As Figure 5 , the sealing part 30 includes the sealing cover 31 arranged at the top of the medicine cartridge 10, for sealing the top opening of the medicine cartridge 10.

[0047] The sealing part 30 further includes the sealing cap 32 sleeved outside the inverted cone body 11, for sealing the U-shaped opening 13 on the inverted cone body 11.

[0048] The material of sealing cover 31 and sealing cap 32 is medical rubber.

[0049] The material of medicine cartridge 10 is medical HDPE, LDPE, PP or PTFE.

[0050] As Figure 6 shown, the upper part of the cartridge 10 is cylindrically arranged.

[0051] The upper part of the cartridge 10 is also fixedly provided with a handle 14 for holding the cartridge 10.

[0052] The arrangement of the handle 14 improves the operability of single-handed or double-handed injection of the powder, and is convenient and reliable to operate.

[0053] As Figure 7 shown, the piston part 20 includes a piston disc 21, a piston rod 22 and a pressure disc 23.

[0054] The outer diameter of the piston disc 21 is adapted to the inner diameter of the cylindrical upper part of the cartridge 10, for injection of the powder in the cartridge 10.

[0055] Specifically, when the piston part 20 is pushed downward, the piston disc 21 will spread the U-shaped opening 13 because the diameter of the piston disc 21 is larger than that of the U-shaped opening 13, so that the powder in the cartridge 10 is output to the bleeding point, achieving the purpose of effective hemostasis.

[0056] Before injection, the powder is packaged in the cartridge 10 and sealed by the sealing cover 31 and the sealing cap 32. When the powder is used for emergency hemostasis, the sealing cap 32 is removed, the cartridge 10 with the powder is inserted into the bleeding wound, the sealing cover 31 is removed, the piston part 20 is inserted into the cartridge 10, the piston disc 21 is pushed downward to spread the U-shaped opening 13 at the bottom of the cartridge 10 for pushing the powder, and the powder is covered on the bleeding point through the U-shaped opening 13, achieving effective hemostasis.

[0057] The powder injection device has the following advantages:

[0058] The inverted conical cylinder provided with the bottom spherical surface and the U-shaped opening makes it convenient to extend into the deep bleeding point when the cartridge is used for hemostasis of deep gun wounds or fragment wound penetration, and reduces the friction between the cartridge and the wound when extending, thereby reducing the additional pain of the wounded person; the powder covers the bleeding point by spreading the U-shaped opening with the piston disc, achieving rapid and effective hemostasis and improving the survival rate of wounded persons on the battlefield. The overall structure of the device is simple in design and convenient to operate.

[0059] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A powder bolus injection device, characterized by The application relates to a medicine cartridge, a piston part and a sealing part. The medicine cartridge top is provided with an opening for medicine powder filling; The medicine cartridge middle and lower parts are provided with inverted conical cylinder bodies, and the bottoms of the inverted conical cylinder bodies are provided with spherical surfaces; A plurality of U-shaped openings are uniformly arranged on the inverted conical cylinder bodies for medicine powder output; The piston part is detachably arranged on the medicine cartridge for medicine powder injection in the medicine cartridge; The sealing part is used for sealing the medicine cartridge top opening and the U-shaped openings in the middle and lower parts. The sealing part comprises a sealing cover arranged on the medicine cartridge top for sealing the medicine cartridge top opening.

2. The powder bolus device of claim 1, wherein The sealing part further comprises a sealing cap sleeved on the outer side of the medicine cartridge for sealing the U-shaped openings on the inverted conical cylinder bodies.

3. The powder bolus device of claim 1, wherein The material of the medicine cartridge is HDPE, LDPE, PP or PTFE.

4. The powder bolus infusion device of claim 1, wherein, The upper part of the medicine cartridge is provided with a cylindrical cylinder.

5. The powder bolus infusion device of claim 1, wherein The upper part of the medicine cartridge is further fixedly provided with a handle for holding the medicine cartridge.

6. The powder bolus infusion device of claim 1, wherein The piston part comprises a piston disc, a piston rod and a pressing disc.

7. The powder bolus infusion device of claim 1, wherein The outer diameter of the piston disc is matched with the inner wall of the cylindrical upper part of the medicine cartridge for medicine powder injection in the medicine cartridge.

8. The powder bolus injection device of claim 7, wherein, ​