CN113521516A - Hemostatic material leading-in device - Google Patents
Hemostatic material leading-in device Download PDFInfo
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- CN113521516A CN113521516A CN202110927051.9A CN202110927051A CN113521516A CN 113521516 A CN113521516 A CN 113521516A CN 202110927051 A CN202110927051 A CN 202110927051A CN 113521516 A CN113521516 A CN 113521516A
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- push rod
- piston
- hemostatic
- cylinder body
- inner hole
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/007—Injectors for solid bodies, e.g. suppositories
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a hemostatic material leading-in device, which comprises a cylinder body in streamline transition to a cylinder, wherein the discharge end of the cylinder body consists of a plurality of valve bodies, and the inner cavity of the cylinder body is a hemostatic material accommodating space; an inner hole is formed in the middle of the piston, a push rod arranged in the cylinder body penetrates through the inner hole in the middle of the piston, and the push rod penetrates through the inner hole of the piston and can slide relatively. And an elastic sheet clamped with the push rod in a matching way is arranged in the inner hole of the piston. The drug-loading cylinder and the piston push rod are integrally designed, the cylinder and the push rod do not need to be assembled when the drug-loading cylinder is used, the push rod only needs to be pulled out of the cylinder, the operation can be carried out by one hand, the operation is convenient and fast, the hemostasis time is shortened, the wounded self-rescue is quicker and more efficient, and the success rate of treatment is effectively improved.
Description
Technical Field
The invention belongs to a medical first-aid device, in particular to a device for guiding hemostatic materials with different forms into a deeper wound, and belongs to the technical field of medical first-aid.
Background
Aiming at special wounds caused by daggers and bullet shooting, the wound is characterized in that a large amount of blood loss caused by easy injury to deep artery blood vessels can endanger the life of a patient in a short time, so that the bleeding of the blood vessels needs to be controlled in the shortest time, and the extreme condition exists, the wound is close to a special joint part (groin, armpit and the like) and cannot be subjected to hemostasis means such as bundling and pressing by using the existing tourniquet, and in order to solve the hemostasis problem of the special wounds, a device which is convenient to use, small in injury, simple to operate and high in reliability is urgently needed.
For example, the utility model with the publication number of CN 209137643U, named as powder hemostat propeller for human cavity wound discloses a powder hemostat propeller for human cavity wound, which comprises a cylinder body and a propelling component, wherein the cylinder body comprises a connected cylindrical section and a piercing section, and the radial dimension of the piercing section is gradually reduced from one end connected with the cylindrical section to one end far away from 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.
As disclosed in patent application publication No. CN 111905251 a entitled "a device for pushing particulate hemostatic agent to deeper wound", a device for pushing particulate hemostatic agent to deeper wound is disclosed, which comprises a cylindrical outer barrel, wherein the front end of the outer barrel is closed, the rear end of the outer barrel is open, and the inner cavity of the barrel is a hemostatic agent accommodating space; and two ends of the inner-layer cylinder body are open. The outer barrel front end is the toper design, cuts or moulds plastics integrated into one piece and processes into a plurality of fan-shaped lamella bodies, is thin wall connection or seamless connection between every lamella body, and when applying axial force for the inlayer section of thick bamboo, the lamella body on the outer barrel can be the atress and is the open mode. The plug at the rear end of the inner-layer barrel body is pulled out, and the push injection rod is inserted into the inner-layer barrel body to apply pressure, so that the hemostatic in the barrel can be quickly pushed out. The discharge end of the cylinder body is easier to open so as to ensure that the hemostatic agent is injected smoothly and the efficacy of the hemostatic agent is fully exerted to the maximum extent.
Generally, rapid hemostasis in case of deep arterial bleeding is the only way to achieve first aid. Although the deep bleeding point hemostasis problem can be solved to above-mentioned prior art, its medicine carrying pipe and push injection pole design for the components of a whole that can function independently, need assemble earlier in the use and just can use, convenient not enough, especially wounded probably are difficult to accomplish the equipment in the short time under the injured condition, are difficult to even accomplish the equipment to delay hemostasis time, can not realize the purpose at the very first time first aid hemostasis, and then lead to wounded to lose too much blood and die.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a hemostatic material guiding device integrating a medicine carrying cylinder body and a push injection rod, which is integrally designed to enable the operation to be more convenient and quicker, enable wounded persons to carry out self rescue and mutual rescue more efficiently, effectively play the quick hemostatic performance of a hemostatic material, reduce the blood loss time, save the emergency time and effectively reduce the death rate of the wounded persons.
The specific technical scheme of the invention is as follows:
a hemostatic material leading-in device comprises a cylinder body in streamline transition to a cylinder, wherein the discharge end of the cylinder body consists of a plurality of valve bodies, and the inner cavity of the cylinder body is a hemostatic material accommodating space; an inner hole is formed in the middle of the piston, a push rod arranged in the cylinder body penetrates through the inner hole in the middle of the piston, and the push rod penetrates through the inner hole of the piston and can slide relatively.
The front end of the push rod is provided with a push rod front end bulge used for limiting, and the push rod is prevented from being pulled out of the inner hole of the piston.
The inner diameter of the piston inner hole is consistent with the outer diameter of the push rod, and the piston inner hole is provided with an elastic sheet which is clamped with the push rod in a matching mode.
Protruding stuck points or groove stuck points are arranged behind the front end protrusion of the push rod and matched with the elastic sheet arranged in the inner hole of the piston to form a stuck structure, and the push rod is pulled backwards when the push rod is used until the push rod and the piston are stuck and then are integrated.
The piston and push rod clamping structure comprises three realization modes:
the first implementation mode is as follows: an inner hole in the middle of the piston is a rectangular hole, one surface of the piston is sunken, and two symmetrical elastic sheets are arranged at the sunken position; the section of the push rod is rectangular, and two point-like symmetrical convex clamping points are symmetrically arranged at the positions close to the front end bulges. The point-like symmetrical protrusion clamping points are used for clamping with elastic pieces arranged on the piston when the push rod is pulled, and the front end protrusion is used for limiting the push rod to prevent the push rod from being separated from the rear of the piston when the push rod is pulled.
The second implementation mode is as follows: an inner hole in the middle of the piston is circular, one surface of the piston is sunken, and an annular elastic sheet is arranged at the sunken part; the cross section of the push rod is circular, an annular convex clamping point is arranged at a position close to the front end bulge, the annular convex clamping point is used for clamping with an elastic sheet arranged on the piston when the push rod is pulled, and the front end bulge is used for limiting the push rod and preventing the push rod from being separated from the rear of the piston when the push rod is pulled.
The third implementation mode is as follows: an inner hole in the middle of the piston is circular, one surface of the piston is sunken, and an annular elastic sheet is arranged at the sunken part; the cross section of the push rod is circular, an annular groove clamping point is arranged at a position close to the front end protrusion, the groove is used for clamping with an elastic sheet arranged on the piston when the push rod is pulled, and the tail protrusion is used for limiting the push rod to prevent the push rod from being separated from the rear of the piston when the push rod is pulled.
The invention also comprises a stop plug arranged at the tail part of the cylinder body, the outer diameter of the stop plug is consistent with the inner diameter of the cylinder body, the stop plug and the cylinder body can not slide relatively after being matched, the stop plug is provided with an inner hole, the push rod penetrates through the inner hole of the stop plug, and the stop plug and the push rod can slide mutually after being matched.
An end cap is arranged at the discharge end of the cylinder body, and the inner diameter of the end cap is consistent with the outer diameter of the cylinder body; the end cap is used for sealing the valve body gap at the front end of the cylinder body so as to prevent the hemostatic agent from leaking.
The push rod tail part is provided with a push handle, the push handle is fixedly connected with the push rod tail part, and the push handle can be provided with a pull ring, so that the push rod can be pulled out conveniently in use.
The number of the plurality of petals is more than or equal to 3.
The tail of the barrel body is provided with the clamping support, so that the barrel is convenient to hold by hand and provide an acting point, and is convenient to use.
When the hemostatic material introducing device is used, the end cap on the discharge end of the barrel is taken down, the discharge end of the introducing device is aligned with a wound and is rapidly inserted into the wound, after the hemostatic material introducing device is inserted to a proper depth, the push handle at the tail of the push rod is pulled to clamp the piston and the front end of the push rod, and then the push handle is forcefully pushed to introduce hemostatic materials in the barrel into the wound to finish hemostasis.
Or when the hemostatic material introducing device is used, the pushing handle at the tail part of the pushing rod is pulled firstly until the piston is clamped with the front end of the pushing rod, the end cap at the discharging end of the cylinder body is taken down, the discharging end of the introducing device is aligned with the wound to be rapidly inserted, and after the introducing device is inserted to a proper depth, the pushing handle is pushed forcefully to introduce the hemostatic material in the cylinder body into the wound to finish hemostasis.
The invention has the advantages that:
the drug-loading cylinder and the piston push rod are integrally designed, the cylinder and the push rod do not need to be assembled when the drug-loading cylinder is used, the push rod only needs to be pulled out of the cylinder, the operation can be carried out by one hand, the operation is convenient and fast, the hemostasis time is shortened, the wounded self-rescue is quicker and more efficient, and the success rate of treatment is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic overall cross-sectional view of the present invention.
Fig. 3 is a schematic cross-sectional view of the present invention in use.
FIG. 4 is a schematic diagram of a piston and a rod seizing structure in accordance with embodiment 1.
FIG. 5 is a schematic view showing a piston and a rod seizing structure in accordance with embodiment 2.
FIG. 6 is a schematic diagram of a piston and a rod seizing structure in embodiment 3.
Wherein: 1-cylinder, 1.1-discharge end, 1.2-petal body, 1.3-clamping support, 2-push rod, 2.1-push rod front end projection, 2.2-clamping point, 2.2.1-symmetrical projection clamping point, 2.2.2-annular projection clamping point, 2.2.3-annular groove clamping point, 3-piston, 3.1-elastic sheet, 3.1.1-symmetrical elastic sheet, 3.2.2-annular elastic sheet, 3.3-piston inner hole, 4-stop plug, 4.1-stop plug inner hole, 5-push handle, 5.1-push handle pull ring, 6-end cap and 7-hemostatic material.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail and fully with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 2, the invention comprises a cylinder body 1, a push rod 2, a piston 3, a stop plug 4, a push handle 5 and an end cap 6.
As shown in figure 1, the front end of the cylinder body 1 is provided with an end cap 6, and the inner diameter of the end cap 6 is consistent with the outer diameter of the discharge end 1.1, so as to prevent the inside hemostatic material 7 from leaking.
As shown in fig. 2, the discharge end 1.1 at the front end of the cylinder 1 is of a streamline design, and is integrally formed and processed into a plurality of uniform (3, 4, 5, 6, 7, 8, 9 or 10) fan-shaped petals 1.2 through injection molding, and a gap exists between each petal.
The inner diameter of the cylinder body 1 is consistent with the outer diameter of the piston 3, the cylinder body and the piston can slide in a mutual matching way, and the formed inner cavity is a containing space of the hemostatic material 7.
The piston 3 is provided with an inner hole 3.3, and the push rod 2 passes through the inner hole 3.3 and can be matched with the piston to slide.
As shown in fig. 1 and 2, the tail of the push rod 2 is provided with a push handle 5, and the push handle 5 is provided with a push handle pull ring 5.1.
As shown in figures 1 and 2, the tail part of the cylinder body 1 is provided with a stop plug 4, the outer diameter of the stop plug is consistent with the inner diameter of the cylinder body 1, and the stop plug and the cylinder body are matched and can not slide. The middle of the stop plug 4 is provided with a stop plug inner hole 4.1, the size of the stop plug inner hole 4.1 is consistent with that of the push rod 2, and the stop plug inner hole and the push rod are matched with each other to slide.
The front end of the push rod 2 is provided with a bulge 2.1 for preventing the push rod 2 from pulling out of a piston inner hole 3.3.
The rear of the protrusion 2.1 at the front end of the push rod 2 is provided with a protrusion clamping point or a groove clamping point 2.2 which can be matched with the elastic sheet 3.1 on the piston 3, so that the piston 3 and the push rod 2 are clamped into a whole, and the hemostatic material 7 in the cylinder 1 is pushed to enter a wound.
As shown in figures 2 and 3, when the device is used, the device is held by hand, a push handle pull ring 5.1 on a push handle 5 is pulled, the push handle 5 drives a push rod 2 to extend outwards, the push rod 2 penetrates through a piston inner hole 3.3 and an elastic sheet 3.1, when a clamping point 2.2 on the push rod 2 pushes an elastic sheet 3.1 on the piston 3 to deform, the push rod is continuously pulled, after the clamping point 2 crosses the elastic sheet 3.1, the piston 3 can be clamped between a bulge 2.1 at the front end of the push rod 2 and a clamping point 2.2, and at the moment, the piston 3 and the push rod 2 are clamped into a whole. And then the end cap 6 on the discharge end 1.1 is taken down, the discharge end 1.1 is inserted into the wound in an aligning way, the push handle 5 is pushed, the piston 3 moves forwards under the pushing force of the push handle, and the piston can push the hemostatic material in the cylinder 1 to enter the wound for hemostasis.
As shown in fig. 4, 5 and 6, there are three embodiments of the jamming action described above.
Example 1: as shown in fig. 4, the section of the push rod 2 is rectangular, the fastening points 2 are symmetrical raised fastening points 2.2.1, and the piston is provided with point-like symmetrical elastic pieces 3.1.1.
Example 2: as shown in fig. 5, the section of the push rod 2 is circular, the fastening point 2 is specifically an annular convex fastening point 2.2.2, and the piston is provided with an annular elastic sheet 3.1.2.
Example 3: as shown in fig. 6, the section of the push rod 2 is circular, the fastening point 2 is specifically an annular groove fastening point 2.2.3, the piston is provided with an annular elastic sheet 3.1.2, and the annular elastic sheet can be fastened in the annular groove fastening point 2.2.3.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A hemostatic material leading-in device comprises a cylinder body in streamline transition to a cylinder, wherein the discharge end of the cylinder body consists of a plurality of valve bodies, and the inner cavity of the cylinder body is a hemostatic material accommodating space; an inner hole is formed in the middle of the piston, a push rod arranged in the cylinder body penetrates through the inner hole in the middle of the piston, and the push rod penetrates through the inner hole of the piston and can slide relatively.
2. The hemostatic-material introducing device of claim 1, wherein: the front end of the push rod is provided with a push rod front end bulge used for limiting.
3. The hemostatic-material introducing device according to claim 1 or 2, wherein: and an elastic sheet clamped with the push rod in a matching way is arranged in the inner hole of the piston.
4. The hemostatic-material introducing device of claim 3, wherein: a protruding clamping point or a groove clamping point is arranged behind the protrusion at the front end of the push rod and is matched with an elastic sheet arranged in the inner hole of the piston to form a clamping structure.
5. The hemostatic-material introducing device according to claim 1 or 3, wherein: the barrel afterbody still is equipped with and keeps off the stopper, keep off the stopper external diameter with the barrel internal diameter is unanimous, and both cooperation back can not relative slip, keep off the stopper and be equipped with the hole, the push rod passes keep off the stopper hole, but both cooperations mutual slip.
6. The hemostatic-material introducing device according to claim 1 or 3, wherein: the discharge end of the barrel is provided with an end cap, and the inner diameter of the end cap is consistent with the outer diameter of the barrel.
7. The hemostatic-material introducing device according to claim 1 or 3, wherein: the push rod tail is provided with a push handle, the push handle is fixedly connected with the push rod tail, and the push handle is provided with a pull ring, so that the push rod can be pulled out conveniently in use.
8. The hemostatic-material introducing device according to claim 1 or 3, wherein: the tail of the cylinder body is provided with a clamping support.
9. The hemostatic-material introducing device of claim 3, wherein: the elastic sheet is a point-shaped symmetrical elastic sheet or an annular elastic sheet.
10. The hemostatic-material introducing device of claim 4, wherein: the convex clamping points or the groove clamping points are symmetrical convex clamping points, annular convex clamping points or annular groove clamping points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927051.9A CN113521516A (en) | 2021-08-12 | 2021-08-12 | Hemostatic material leading-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927051.9A CN113521516A (en) | 2021-08-12 | 2021-08-12 | Hemostatic material leading-in device |
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| Publication Number | Publication Date |
|---|---|
| CN113521516A true CN113521516A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110927051.9A Pending CN113521516A (en) | 2021-08-12 | 2021-08-12 | Hemostatic material leading-in device |
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| CN (1) | CN113521516A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115721363A (en) * | 2022-09-23 | 2023-03-03 | 中国人民解放军军事科学院军事医学研究院 | Deep trauma hemostatic material leading-in device |
| CN116999248A (en) * | 2023-08-04 | 2023-11-07 | 中国人民解放军军事科学院军事医学研究院 | Single-hand self-ejection hemostasis device and method |
-
2021
- 2021-08-12 CN CN202110927051.9A patent/CN113521516A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115721363A (en) * | 2022-09-23 | 2023-03-03 | 中国人民解放军军事科学院军事医学研究院 | Deep trauma hemostatic material leading-in device |
| CN116999248A (en) * | 2023-08-04 | 2023-11-07 | 中国人民解放军军事科学院军事医学研究院 | Single-hand self-ejection hemostasis device and method |
| CN116999248B (en) * | 2023-08-04 | 2024-01-30 | 中国人民解放军军事科学院军事医学研究院 | Single-hand self-ejection hemostasis device and method |
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