CN216908908U - Hemostatic agent advancing device - Google Patents

Abstract

The utility model relates to a hemostatic agent propelling device, which comprises a discharge end, a cylinder body and a propelling component, wherein the propelling component comprises a piston and a push rod, a fixing structure is arranged on the outer side of the cylinder body, a hole is formed in the fixing structure, and the propelling component or the push rod can be fixed outside the cylinder body through the hole of the fixing structure; the fixing structure can be overturned along the contact end of the barrel, and the propelling component or the push rod can be inserted into the barrel through overturning of the fixing structure. The hemostatic agent propelling device provided by the utility model does not need to be assembled, can be operated by one hand, is convenient and quick, and is suitable for mutual rescue of wounded people in emergency.

Description

Hemostatic agent advancing device

Technical Field

The utility model relates to a first-aid device, in particular to a hemostatic propelling device.

Background

The hemostasis is an important component of wound first aid, the rapid and effective hemostasis is an important link of pre-hospital first aid and hospital surgical treatment, the survival rate of the wounded can be improved, and the hemostasis is an important guarantee of life safety. The conventional hemostatic agents are in various forms such as powder, granule, sponge and gauze, and can control bleeding through various physical, chemical and physiological ways. The hemostatic agent is applied to surface tissue wounds, can quickly play a role in hemostasis, but for injuries such as penetrating injuries and blind vessel injuries caused by gunshot, bayonet, elastic pieces and the like, as the hemostatic agent has the characteristics of small external wound, deeper wound and the like, common hemostatic products are difficult to quickly send to bleeding points, and cannot play a role in hemostasis in time. Especially for the wounded soldiers on the battlefield, if the soldiers cannot be rescued in time, the life safety can be seriously threatened.

PCT application publication No. WO 2008/090364 provides a hemostatic device insertable into a deep hemorrhage site comprising a cylindrical barrel, an outlet end and a plunger slidable within the barrel; the outlet end may be configured as a tapered or rounded end with a central bore and longitudinal slots in a cruciform arrangement, or may remain open. The device can be applied to deeper bleeding wounds, but is too long and inconvenient to carry.

The utility model patent application with the application number of 201811147538.X provides a powder hemostatic pusher for a human cavity wound, which comprises a barrel and a pushing assembly, wherein the barrel comprises a cylindrical section and a piercing section which are connected, the radial size of the piercing section is gradually reduced from one end connected with the cylindrical section to one end far away from the cylindrical section, the pushing assembly comprises a piston head, a push rod and a pressure applying cover, the push rod is detachably connected with the piston head and the pressure applying cover, the piston head is arranged at the end part, deviating from the piercing section, of the cylindrical section, and the powder hemostatic pusher has a storage state and an injection state; in a storage state, the piercing section is embedded in the sealing cavity, and the push rod is detachably connected to the outer wall of the cylindrical section; in the injection state, the powdered hemostatic agent in the barrel is squeezed out of the piercing section by means of the pressure exerted by the piston head. The utility model has smaller overall size, is convenient to transport and carry, is assembled when in use, and is inconvenient to use in the emergency situation that only the wounded can operate with one hand.

The application number is 202110927051.9's patent application discloses a hemostatic material gatherer, including streamlined transition to cylindrical barrel, the barrel discharge end comprises a plurality of lamella bodies, the barrel inner chamber is the blood material accommodation space, the barrel rear end is equipped with the piston, but both cooperations relative slip of piston external diameter and the unanimous cooperation of barrel internal diameter, be equipped with the hole in the middle of the piston, the push rod passes piston hole relative slip, the piston hole is equipped with the flexure strip that blocks with the push rod cooperation, do not need equipment barrel and push rod during the use, only need with the push rod follow the barrel pull out can. In this leading-in device arranged the push rod in the barrel, the available space utilization of barrel reduces, and the hemostasis powder is injected the in-process resistance great, and the draw-in groove easily causes the secondary to part, and the hemostasis powder atress is uneven when the pull rod is thin and use, is difficult for releasing hemostasis material fast, can not reach the quick hemostasis purpose.

Disclosure of Invention

The utility model aims to provide a hemostatic propelling device which is of an integrated structure, does not need to be assembled, is fast and convenient to use, can be operated by one hand, greatly improves the hemostatic treatment effect, and is suitable for emergency situations of self-rescue and mutual rescue of wounded persons in battlefield hemorrhage.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

a hemostatic propelling device comprises a discharge end, a cylinder and a propelling component, wherein the propelling component comprises a piston and a push rod, a fixing structure is arranged on the outer side of the cylinder, a hole is formed in the fixing structure, and the propelling component or the push rod can be fixed outside the cylinder through the hole of the fixing structure; the fixing structure can be overturned along the contact end of the barrel body, and the propelling component or the push rod can be inserted into the barrel body through overturning of the fixing structure.

The fixing structure is integrally connected with the cylinder body.

According to the utility model, the piston and the push rod are integrally formed, the hole of the fixing structure is smaller than the maximum diameter of the piston, and the propelling component can be fixed in the hole of the fixing structure.

As an improvement, the fixing structure is connected with the barrel through a bolt structure.

As an improvement, the piston and the push rod are detachably connected, and the piston can be used as a sealing plug.

Specifically, the holes of the front end of the push rod and the fixing structure are both cross-shaped structures, the cross-shaped junction of the front end of the push rod is provided with a protrusion, and the protrusion can fix the push rod in the cross-shaped hole of the fixing structure to prevent the push rod from sliding off from the hole of the fixing structure; the contact end of the piston and the push rod is provided with a cross-shaped groove, the cross-shaped groove of the piston corresponds to the cross-shaped structure at the front end of the push rod, and the push rod can be connected with the piston through the cross-shaped groove of the piston.

Preferably, the contact part of the rear end of the cylinder body and the piston is provided with a bulge, the side surface of the piston is provided with a groove matched with the bulge, the bulge and the groove matched with the bulge are combined to play a role in fixing the position of the piston, and the piston can be fixed at the position where the groove of the piston is just connected with the cross-shaped front end of the push rod.

As an improvement, the push rod is designed into a spiral structure.

The rear end of the cylinder body is provided with a clamping support which extends outwards along the radial direction of the cylinder body; preferably, the card holder is bent towards the cylinder body; preferably, the card holder is provided with an anti-slip structure in the cylinder direction, such as a dot-shaped bulge and a linear bulge.

Adopt above-mentioned technical scheme's beneficial effect to lie in:

(1) the hemostatic propelling device provided by the utility model is convenient to use, can push out the hemostatic in a short time, can be operated by a single hand, and can be used for self rescue of wounded persons.

(2) The push rod is designed into a spiral structure, so that the hemostatic can be easily pushed out of the cylinder body, and the hemostatic is convenient and quick.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is a schematic structural view of a third embodiment of the present invention.

Fig. 4 is a schematic view of a projection of the front end of the push rod of the third embodiment.

Fig. 5 is a schematic view of the projection of the rear end of the cylinder of the third embodiment.

Fig. 6 is a schematic view of a groove of a piston of a third embodiment.

Fig. 7 is a schematic structural view of a fourth embodiment of the present invention.

Wherein: the device comprises a discharge end 1, a cylinder 2, a rear end projection of the cylinder 2-1, a propelling component 3, a piston 31, a groove on the side surface of the piston 31-1, a push rod 32, a push rod front end 33, a push rod front end projection 34, a hole of a fixing structure 41, a bolt structure 42, and a clamping support 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the present invention with reference to the accompanying drawings and specific embodiments is given for clarity and completeness.

Example 1

The hemostatic agent propelling device shown in fig. 1 comprises a discharge end 1, a cylinder 2 and a propelling component 3, wherein the propelling component 3 comprises a piston 31 and a push rod 32; the outer side of the cylinder body is provided with a fixed structure 4, the fixed structure 4 is provided with a hole 41, and the propelling component 3 can be fixed outside the cylinder body through the hole 41; the fixing structure 4 can be turned over along the contact end with the barrel, and the propulsion assembly 3 can be inserted into the barrel 2 by turning over the fixing structure 4.

In this embodiment, the fixed structure 4 is integrally connected with the cylinder 2; the piston 31 is formed integrally with the push rod 32, and the maximum diameter of the piston 31 is larger than the hole 41 of the fixed structure, so that the propelling component 3 can be fixed in the fixed structure 4.

The rear end of the cylinder body is also provided with a clamping support 5 which extends outwards along the radial direction of the cylinder body. Preferably, the card holder 5 is designed to be bent in the cylinder direction, and an anti-slip structure, such as a dot-shaped protrusion or a linear protrusion, is provided in the cylinder direction of the card holder 5.

After the hemostatic is filled, the rear end of the cylinder body can be provided with a plug body, and the hemostatic is sealed in the cylinder body by the plug body. When the hemostatic plug is used for hemostasis, the plug body is pulled out, the propelling component 3 is inserted into the barrel body 2 through the overturning of the fixing structure 4, the clamping support 6 is held, the propelling component 3 is pushed, and the hemostatic in the barrel body 2 is quickly pushed out through the discharge end 1.

Example 2

As a modification of embodiment 1, this embodiment provides a hemostatic agent advancing device, wherein the fixing structure 4 is connected to the barrel 2 by a latch structure 42, as shown in FIG. 2.

Example 3

As a modification of embodiment 1, as shown in FIG. 3, the hemostatic agent propelling device provided in this embodiment has a fixing structure 4 connected to the cylinder 2 via a latch structure 42, a piston 31 of the propelling assembly 3 detachably connected to the push rod 32, and the maximum diameter of the piston 31 is consistent with the inner diameter of the cylinder 2, and can be used as a sealing plug. Both the push rod front end 33 and the hole 41 of the fixing structure are in a cross-shaped structure, and a protrusion 34 is arranged at the cross-shaped junction of the push rod front end 33, as shown in fig. 4; the protrusion 34 may secure the pushrod 32 within the aperture 41 of the fixed structure, preventing it from sliding out of the aperture 41; the end of the piston 31 in contact with the push rod is provided with a cross-shaped groove, and the cross-shaped groove of the piston corresponds to the cross-shaped structure of the front end 33 of the push rod, so that the push rod 32 is connected with the piston 31.

Preferably, the contact part of the rear end of the cylinder 2 and the piston is provided with a protrusion 2-1, as shown in fig. 5, the side surface of the piston 31 is provided with a groove 31-1 matched with the protrusion, as shown in fig. 6, the two are combined to play the role of fixing the position of the piston, the piston 31 can be fixed at the position where the cross-shaped groove of the piston is just jointed with the cross-shaped front end of the push rod, and the design can quickly connect the push rod 32 and the piston 31 into a whole.

Example 4

As a modification of embodiment 3, this embodiment provides a hemostatic agent advancing device in which the push rod 32 is designed as a spiral structure, as shown in fig. 7. The spiral structure design can easily release the hemostatic from the cylinder body 2, and the use is convenient and quick.

Claims (9)

1. A hemostatic propelling device comprises a discharge end, a cylinder and a propelling component, wherein the propelling component comprises a piston and a push rod, and is characterized in that a fixing structure is arranged on the outer side of the cylinder, a hole is formed in the fixing structure, and the propelling component or the push rod can be fixed outside the cylinder through the hole of the fixing structure; the fixing structure can be overturned along the contact end of the barrel body, and the propelling component or the push rod can be inserted into the barrel body through overturning of the fixing structure.

2. The hemostatic-agent advancing device of claim 1, wherein the fixation structure is integrally connected with the barrel.

3. The hemostatic-agent advancing device according to claim 1 or 2, wherein the piston is integrally formed with the push rod, and the aperture of the fixation structure is smaller than the maximum diameter of the piston, such that the advancing assembly is fixed in the aperture of the fixation structure.

4. The hemostatic-agent advancing device of claim 1, wherein the securing structure is connected to the barrel by a latch structure.

5. The hemostatic-agent advancing device of claim 1, wherein the piston and the push rod are removably connected, the piston being operable as a sealing plug.

6. The hemostatic agent propelling device according to claim 5, wherein the holes of the front end of the push rod and the fixing structure are both cross-shaped structures, and a protrusion is arranged at the cross-shaped junction of the front end of the push rod, and can fix the push rod in the cross-shaped hole of the fixing structure to prevent the push rod from sliding down from the hole of the fixing structure; the contact end of the piston and the push rod is provided with a cross-shaped groove, the cross-shaped groove of the piston corresponds to the cross-shaped structure at the front end of the push rod, and the push rod can be connected with the piston through the cross-shaped groove of the piston.

7. The hemostatic agent propelling device of claim 6, wherein the contact portion of the rear end of the cylinder and the piston is provided with a protrusion, the side surface of the piston is provided with a groove matching with the protrusion, and the protrusion and the groove matching with the protrusion combine to fix the position of the piston, so that the piston can be fixed at a position where the groove of the piston is just connected with the cross-shaped front end of the push rod.

8. The hemostatic-agent advancing device according to any one of claims 5-7, wherein the push rod is a helical structure.

9. The hemostatic-agent advancing device according to claim 1, wherein the rear end of the barrel is provided with a catch extending radially outward of the barrel; the clamping support is bent towards the cylinder body; the anti-skidding structure is arranged in the direction of the cylinder body of the clamping support.

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