CN220236922U - Convenient to use's negative pressure syringe - Google Patents
Convenient to use's negative pressure syringe Download PDFInfo
- Publication number
- CN220236922U CN220236922U CN202223236876.5U CN202223236876U CN220236922U CN 220236922 U CN220236922 U CN 220236922U CN 202223236876 U CN202223236876 U CN 202223236876U CN 220236922 U CN220236922 U CN 220236922U
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- Prior art keywords
- negative pressure
- injection
- shell
- limiting block
- convenient
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- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000006378 damage Effects 0.000 abstract description 7
- 239000003814 drug Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 2
- 210000003811 finger Anatomy 0.000 description 21
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 210000005224 forefinger Anatomy 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a negative pressure injector convenient to use, which relates to the technical field of medical appliances and comprises: the injection mechanism is of a conical cylindrical structure; the negative pressure device is arranged above the outer wall of the injection mechanism; the auxiliary device is arranged in the injection mechanism in a penetrating way; the pushing mechanism is connected below the auxiliary device; an elastic buffer strip is arranged in the limiting block, and the limiting block is matched with the finger wing penetrating through the shell; the push rod pushes down to the injection cylinder through the first pressing plate, and the push rod drives the connecting plate to the limiting block, the injection cylinder of the injector is made of novel materials and is resistant to storage and not easy to damage, the needle cylinder is of a funnel-shaped structure, so that medicines are better discharged and are not left, a negative pressure device is added on the basis of the original injector, and the limiting block is arranged in the shell, so that the dosage can be accurately controlled.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a negative pressure injector convenient to use.
Background
The syringe is a common medical appliance, and as early as 15 th century, the Italian people put forward the principle of the syringe in Kadi, mainly used for injecting liquid medicine or drawing liquid, the syringe can also be used for injecting medical equipment, containers, such as scientific instruments in some chromatographic methods, through a rubber diaphragm, the existing common medical syringe needs to be continuously operated by manpower during suction and injection, the force cannot be automatically generated and maintained, when the syringe is used for negative pressure puncture, a user needs to draw and maintain negative pressure, and the success rate of one puncture is influenced by puncture, so that the syringe is inconvenient to use.
The observation is that the announcement numbers are found by the search of the inventor: the Chinese patent of CN204910226U discloses a negative pressure injector which is convenient to use, a limiting device is arranged to limit the displacement of a push rod, so that the negative pressure state in the injector is kept, a fixing device is arranged to fix the device on a patient, the device is convenient for the patient to wear, negative pressure values are marked on the side wall of a needle tube and correspond to scale marks on the needle tube one by one, and medical staff can accurately adjust the negative pressure in the needle tube according to the marked negative pressure values, so that the device is convenient to use.
The negative pressure injector solves the problem that medical staff cannot adjust the negative pressure according to the needs when the traditional injector is used, but in the negative pressure injector, doctors need to keep forcefully pulling the push rod by both hands to keep a certain negative pressure when the common injector is used for sucking operation, when the volume of the injector is larger, the negative pressure is larger, certain arm strength requirements are met for the doctors, and when the doctors pull the injector, the positions of the push rod cannot be accurately kept by hands.
Disclosure of Invention
The utility model aims to solve the technical problem that the position of a push rod cannot be accurately kept unchanged when the existing syringe is used, and provides a negative pressure syringe convenient to use.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a negative pressure syringe for convenient use, comprising:
the injection mechanism is of a conical cylindrical structure;
the negative pressure device is arranged above the outer wall of the injection mechanism;
the auxiliary device is arranged in the injection mechanism in a penetrating way;
and the pushing mechanism is connected below the auxiliary device.
Preferably, the injection mechanism comprises:
the lower part of the injection cylinder is connected with a needle cylinder;
the needle head penetrates through the lower part of the needle cylinder from top to bottom.
Preferably, the negative pressure device includes:
the shell is arranged on the upper surface of the injection cylinder, and a limiting block is arranged below the inside of the shell;
the finger wings are rotatably arranged above the outer wall of the shell;
the index finger pad is fixed at the lower end of the shell, and the middle finger pad is arranged on the symmetrical surface of the index finger pad.
Preferably, an elastic buffer strip is arranged in the limiting block, and the limiting block is matched with the finger wing penetrating through the shell.
Preferably, the auxiliary device includes:
the bottom of the first pressing plate is fixedly connected with a push rod;
the connecting plate is of a concave structure and is arranged at the lower end of the push rod.
Preferably, the push rod is pushed down to the inside of the injection cylinder through the first pressing plate, and the push rod drives the connecting plate to the limiting block.
Preferably, the pushing mechanism includes:
the second pressing plate is arranged in the connecting plate, and a piston rod is arranged at the lower end of the second pressing plate;
and the piston is fixedly arranged at the bottom of the piston rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. the negative pressure injector has the advantages of simple structure, convenient use, strong practicability, low production cost, and capability of well completing work, so that secondary damage to a patient can not be caused in the use process, the injector is stable in operation, accurate in puncture, and convenient in discharging contents when performing puncture biopsy with negative pressure, the working efficiency is improved, the damage to the patient is reduced, and the negative pressure is well controlled;
2. this negative pressure syringe, the syringe of this syringe adopts novel material to bear or endure to deposit not fragile, and the cylinder is funnel-shaped structure and makes the better discharge of medicine not remained, has added negative pressure device on the basis of original syringe, and the inside of shell has set up the stopper and can accurately control the dosage, has installed forefinger pad and well finger pad respectively in the bottom that the syringe needle was kept away from to the shell for stable syringe and also can easily promote when the syringe volume is great.
Drawings
FIG. 1 is a schematic view showing the overall structure of a convenient negative pressure syringe according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an injection mechanism of a vacuum injector according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a negative pressure device of a convenient negative pressure syringe according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of an auxiliary device and a pushing mechanism of a negative pressure syringe according to an embodiment of the present utility model.
1. An injection mechanism; 101. a syringe; 102. a needle cylinder; 103. a needle; 2. a negative pressure device; 201. a housing; 202. a limiting block; 203. finger wings; 204. an index finger pad; 205. middle finger pad; 3. an auxiliary device; 301. a first pressing plate; 302. a push rod; 303. a connecting plate; 4. a pushing mechanism; 401. a second pressing plate; 402. a piston rod; 403. and (3) a piston.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
FIG. 1 is a schematic view showing the overall structure of a convenient negative pressure syringe according to an embodiment of the present utility model; FIG. 2 is a schematic view of an injection mechanism of a vacuum injector according to an embodiment of the present utility model; FIG. 3 is a schematic view of a negative pressure device of a convenient negative pressure syringe according to an embodiment of the present utility model; fig. 4 is a schematic structural view of an auxiliary device and a pushing mechanism of a negative pressure syringe according to an embodiment of the present utility model.
Referring to the drawings, in this embodiment, a highway subgrade high temperature resistance detection device includes: an injection mechanism 1, wherein the injection mechanism 1 is in a conical cylindrical structure; a negative pressure device 2, the negative pressure device 2 being mounted above the outer wall of the injection mechanism 1; an auxiliary device 3, wherein the auxiliary device 3 is arranged inside the injection mechanism 1 in a penetrating way; a pushing mechanism 4, said pushing mechanism 4 being connected below the auxiliary device 3.
Specifically, the syringe 101 of this syringe adopts novel material to bear or endure to deposit not fragile, and cylinder 102 is funnel-shaped structure and makes the better discharge of medicine not remained, has added negative pressure device 2 on the basis of original syringe, and stopper 202 has been set up to the inside of shell 201 can accurately control the dosage, has installed forefinger pad 204 and well finger pad 205 respectively in the bottom that shell 201 kept away from syringe needle 103 for stabilize the syringe and also can easily promote when the syringe volume is great.
The injection mechanism 1 is further described in order to facilitate a full understanding of the specific structure and principles of the injection mechanism 1 by a person skilled in the art. In the present embodiment, the injection mechanism 1 includes: a syringe 101, a syringe 102 is connected below the syringe 101; the needle 103 is arranged below the syringe 102 in a penetrating way up and down by the needle 103.
In the injection mechanism 1, the injection cylinder 101 of the injector is made of novel materials, is resistant to storage and is not easy to damage, and the needle cylinder 102 is of a funnel-shaped structure, so that the medicine is better discharged and is not remained.
The negative pressure device 2 is further described in order to facilitate a full understanding of the specific structure and principles of the negative pressure device 2 by those skilled in the art. In the present embodiment, the negative pressure device 2 includes: a housing 201, wherein the housing 201 is mounted on the upper surface of the syringe 101, and a limiting block 202 is arranged below the inner part of the housing 201; a finger 203, said finger 203 being rotatably mounted above the outer wall of the housing 201; the index finger pad 204, the index finger pad 204 is fixed at the lower end of the housing 201, and the middle finger pad 205 is installed on the symmetry plane of the index finger pad 204.
In the negative pressure device 2, the limit block 202 is arranged in the shell 201, so that the dosage can be accurately controlled, the index finger pad 204 and the middle finger pad 205 are respectively arranged at the bottom end of the shell 201 far away from the needle 103, and are used for stabilizing the syringe, and can be easily pushed when the size of the syringe is large, the elastic buffer strip is arranged in the limit block 202, and the limit block 202 is mutually matched with the finger wings 203 penetrating through the shell 201.
The auxiliary device 3 is further described in order to facilitate a full understanding of the specific structure and principles of the auxiliary device 3 by a person skilled in the art. In the present embodiment, the auxiliary device 3 includes:
the first pressing plate 301, wherein a push rod 302 is fixedly connected to the bottom of the first pressing plate 301;
the connecting plate 303, the connecting plate 303 is in a 'concave' shape structure, and the connecting plate 303 is arranged at the lower end of the push rod 302.
In the auxiliary device 3, the push rod 302 is pushed down into the syringe 101 by the first pressing plate 301, and the push rod 302 drives the connecting plate 303 to the stopper 202.
The pushing mechanism 4 is further described in order to facilitate a full understanding of the specific structure and principles of the pushing mechanism 4 by those skilled in the art. In the present embodiment, the pushing mechanism 4 includes:
a second pressing plate 401, wherein the second pressing plate 401 is arranged inside the connecting plate 303, and a piston rod 402 is arranged at the lower end of the second pressing plate 401; a piston 403, the piston 403 being fixedly mounted at the bottom of the piston rod 402.
In the pushing mechanism 4, the connecting plate 303 is arranged below the push rod 302, so that the pushing of the piston rod 402 can be better assisted, the piston 403 is prevented from being carried out of the injection cylinder 101 when medical staff extracts medicines, and the sealing performance of the piston 403 is better and the negative pressure performance is better due to the fact that the friction force between the piston 403 and the cylinder wall of the injection cylinder 101 is increased.
Working principle: firstly, the injection cylinder 101 of the injector adopts novel materials which are resistant to storage and not easy to damage, the needle cylinder 102 is of a funnel-shaped structure, so that the medicine is better discharged and is not left, a negative pressure device 2 is added on the basis of the original injector, the dosage can be accurately controlled by arranging a limiting block 202 in the shell 201, and an index finger pad 204 and a middle finger pad 205 are respectively arranged at the bottom end of the shell 201 far away from the needle 103 and used for stabilizing the injector and can be easily pushed when the volume of the injector is large;
the push rod 302 has been connected to the lower extreme at first clamp plate 301, and the push rod 302 below has installed connecting plate 303 can assist piston rod 402's promotion better laborsaving, completion work that can be fine for can not cause the secondary injury to the patient in the use, when taking the puncture biopsy of negative pressure, make the syringe stable when the operation, puncture is accurate, improve work efficiency, reduce the injury to the patient, can control the negative pressure size well and be convenient when discharging the content.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A convenient to use negative pressure syringe, comprising:
an injection mechanism (1), wherein the injection mechanism (1) is of a conical tubular structure;
the negative pressure device (2) is arranged above the outer wall of the injection mechanism (1);
an auxiliary device (3), wherein the auxiliary device (3) is arranged inside the injection mechanism (1) in a penetrating way;
the pushing mechanism (4) is connected below the auxiliary device (3);
the injection mechanism (1) comprises:
the injection device comprises an injection cylinder (101), wherein a needle cylinder (102) is connected below the injection cylinder (101);
the needle head (103) is vertically arranged below the needle cylinder (102) in a penetrating way;
the negative pressure device (2) comprises:
the injection device comprises a shell (201), wherein the shell (201) is arranged on the upper surface of the injection tube (101), and a limiting block (202) is arranged below the inside of the shell (201);
a finger wing (203), the finger wing (203) being rotatably mounted above the outer wall of the housing (201);
the index finger support pad (204), index finger support pad (204) is fixed in shell (201) lower extreme, and the symmetry plane of index finger support pad (204) is installed middle finger support pad (205).
2. A convenient to use negative pressure syringe according to claim 1, wherein: an elastic buffer strip is arranged in the limiting block (202), and the limiting block (202) is matched with a finger wing (203) penetrating through the shell (201).
3. A convenient to use negative pressure syringe according to claim 1, wherein:
the auxiliary device (3) comprises:
the device comprises a first pressing plate (301), wherein a push rod (302) is fixedly connected to the bottom of the first pressing plate (301);
the connecting plate (303), the connecting plate (303) is "concave" word form structure, and connecting plate (303) are installed in push rod (302) lower extreme.
4. A convenient to use negative pressure syringe according to claim 3, wherein: the push rod (302) is pushed downwards to the inside of the injection cylinder (101) through the first pressing plate (301), and the push rod (302) drives the connecting plate (303) to the limiting block (202).
5. A convenient to use negative pressure syringe according to claim 1, wherein:
the pushing mechanism (4) includes:
the second pressing plate (401), the second pressing plate (401) is arranged in the connecting plate (303), and a piston rod (402) is arranged at the lower end of the second pressing plate (401);
and the piston (403), wherein the piston (403) is fixedly arranged at the bottom of the piston rod (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223236876.5U CN220236922U (en) | 2022-11-29 | 2022-11-29 | Convenient to use's negative pressure syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223236876.5U CN220236922U (en) | 2022-11-29 | 2022-11-29 | Convenient to use's negative pressure syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220236922U true CN220236922U (en) | 2023-12-26 |
Family
ID=89234772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223236876.5U Active CN220236922U (en) | 2022-11-29 | 2022-11-29 | Convenient to use's negative pressure syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220236922U (en) |
-
2022
- 2022-11-29 CN CN202223236876.5U patent/CN220236922U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |