CN221535220U - Embolism prevention syringe needle and syringe - Google Patents
Embolism prevention syringe needle and syringe Download PDFInfo
- Publication number
- CN221535220U CN221535220U CN202322354666.4U CN202322354666U CN221535220U CN 221535220 U CN221535220 U CN 221535220U CN 202322354666 U CN202322354666 U CN 202322354666U CN 221535220 U CN221535220 U CN 221535220U
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- Prior art keywords
- needle tube
- needle
- injection
- tube
- cavity
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- 208000005189 Embolism Diseases 0.000 title claims abstract description 13
- 230000002265 prevention Effects 0.000 title description 5
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 238000010992 reflux Methods 0.000 claims abstract description 15
- 239000008280 blood Substances 0.000 claims description 20
- 210000004369 blood Anatomy 0.000 claims description 20
- 230000003073 embolic effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 description 25
- 210000003491 skin Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 210000001519 tissue Anatomy 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000010254 subcutaneous injection Methods 0.000 description 9
- 239000007929 subcutaneous injection Substances 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 238000007920 subcutaneous administration Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 208000006735 Periostitis Diseases 0.000 description 5
- 210000003460 periosteum Anatomy 0.000 description 5
- 230000002792 vascular Effects 0.000 description 5
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 4
- 102000008186 Collagen Human genes 0.000 description 4
- 108010035532 Collagen Proteins 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 4
- 229920001436 collagen Polymers 0.000 description 4
- 229920002674 hyaluronan Polymers 0.000 description 4
- 229960003160 hyaluronic acid Drugs 0.000 description 4
- 210000004207 dermis Anatomy 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920000426 Microplastic Polymers 0.000 description 2
- 238000002316 cosmetic surgery Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application provides an anti-embolism injection needle, namely an injector, which relates to the technical field of medical equipment and comprises a needle tube and a needle seat, wherein the needle tube comprises an inner needle tube and an outer needle tube, the inner needle tube and the outer needle tube are both arranged in a hollow mode, the outer needle tube is sleeved on the inner needle tube, the tip of the outer needle tube is longer than the tip of the inner needle tube, the inner part of the needle seat is provided with an injection cavity and a reflux cavity, the injection cavity is communicated with the inner needle tube, and the reflux cavity is communicated with the outer needle tube.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to an embolism prevention injection needle head and an injector.
Background
Cosmetic surgery, also known as reduction surgery or sham surgery, is used to treat wounds, diseases, congenital or acquired tissue or organ defects and deformities, such as skin, muscle and bone. Treatment includes repair and reconstruction of both contents, various tissue transplants in fonts by surgical methods, and also repair of tissue defects or deformities caused by various causes by using allogenic, xenogenic or tissue substitutes to improve or restore physiological function and appearance.
In the traditional micro plastic surgery, when the patient needs to be injected into the dermis subcutaneous injection or the periosteum, the syringe is required to be provided with a needle, and the dermis subcutaneous injection or the periosteum injection can be carried out on the patient, so that the purpose of micro plastic is achieved.
However, the inventor believes that the above-mentioned related art has a disadvantage that it is difficult for medical staff to accurately distinguish the position of subcutaneous blood vessels when performing dermal subcutaneous injection or supraperiosteal injection on a patient, and the subcutaneous blood vessels are easily punctured by an injection needle, so that subcutaneous blood stasis and thus vascular embolism are caused by tissue substitutes entering the blood vessels when the subcutaneous injection is performed at this time, and secondary injury is caused to the patient.
Disclosure of utility model
In order to avoid secondary injury to a patient, the application provides a needle and a syringe.
On one hand, the embolic prevention injection needle provided by the application adopts the following technical scheme:
The utility model provides a prevent embolism syringe needle, includes needle tubing and needle file, the needle tubing includes interior needle tubing and outer needle tubing, interior needle tubing and outer needle tubing all cavity setting, outer needle tubing is overlapped and is established on interior needle tubing, the pointed end of outer needle tubing is longer than the pointed end of interior needle tubing, needle file internal portion is injection chamber and backward flow chamber, the injection chamber is linked together with interior needle tubing, the backward flow chamber is linked together with outer needle tubing.
By adopting the technical scheme, in the actual use process, when the dermis subcutaneous injection or the periosteum injection is carried out on a patient, the needle tube is firstly contacted with the skin of the patient, along with the further movement of the injector, the tip of the outer needle tube firstly pierces the skin, in the process of piercing the skin, the tip of the inner needle tube is shorter than the tip of the outer needle tube, therefore, the inner needle tube is later than the outer needle tube to contact the skin, and likewise, in the process of piercing the blood vessel, the outer needle tube is firstly contacted with the blood vessel, at the moment, because the injection cavity is not communicated with the outer needle tube, no tissue substitute such as hyaluronic acid, collagen and other fillers are arranged in the outer needle tube, so that the blood flowing out of the blood vessel can be led out, the occurrence of vascular embolism and subcutaneous blood stasis caused by the tissue substitute entering the blood vessel is avoided, the secondary injury to the patient is reduced to the greatest extent, and the practicality and the reliability of the whole device are improved.
Optionally, a through hole for blood to flow back out of the outer needle tube is formed in the outer needle tube.
Through adopting above-mentioned technical scheme, in the in-service use of syringe needle, after the pointed end of syringe needle pierces the blood vessel, the outer needle tubing is compared in interior needle tubing and is contacted blood in advance this moment, and blood can get into the inside of outer needle tubing, flows through the through-hole with external intercommunication, plays the alert of showing to the staff.
Optionally, a through hole is formed on the needle seat, and the through hole is communicated with the reflux cavity.
Through adopting above-mentioned technical scheme, in the in-service use of syringe needle, after the pointed end of syringe needle pierces the blood vessel, outer needle tubing contact blood in the interior needle tubing earlier this moment, and blood can get into the backward flow intracavity through outer needle tubing, flows through the perforation with external intercommunication, plays the warning that is obvious to the staff.
Optionally, a perforation communicated with the reflux cavity is formed in the needle seat, a transparent baffle is arranged on the needle tube, and the transparent baffle is used for sealing the through hole.
In a second aspect, the present application further provides an injector, which adopts the following technical scheme:
The injector comprises a plunger rod and further comprises any one of the needle heads, and the needle seat is arranged on the plunger rod.
In summary, the present application includes at least one of the following beneficial technical effects:
1. In the process of puncturing the skin, the outer needle tube is firstly contacted with the skin of a patient, and similarly, when the blood vessel is punctured, the outer needle tube is also firstly contacted with the blood vessel, and at the moment, no tissue substitute such as hyaluronic acid, collagen and other fillers exist in the injection cavity, so that the occurrence of vascular embolism and subcutaneous blood stasis of the patient caused by the entry of the tissue substitute into the blood vessel can be effectively avoided, the secondary injury to the patient is reduced to the greatest extent, and the practicability is obviously improved;
2. Blood flows into the outer needle tube and can be discharged through the through holes or the perforations, and meanwhile, a remarkable reminding effect can be achieved for staff, so that the device has good practicability;
3. When the subcutaneous injection is carried out on a patient, the needle head is arranged on the plunger rod, the subcutaneous injection or periosteum injection can be carried out on the patient, if the blood vessel is punctured in the injection process, blood flows into the reflux cavity through the outer needle tube, if the blood vessel is not punctured, medical staff can push the injection to enter the injection cavity in the needle seat through the plunger rod, and then the subcutaneous injection is carried out on the patient through the inner needle tube.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall structure of a first embodiment of the present application;
Fig. 2 is an enlarged view of a portion a in fig. 1;
FIG. 3 is a schematic view of a partial structure of a second embodiment of the present application;
FIG. 4 is a schematic overall structure of a second embodiment of the present application;
FIG. 5 is a schematic overall structure of a third embodiment of the present application;
fig. 6 is a schematic view showing the overall structure of a syringe according to an embodiment of the present application.
Icon: 1. a needle tube; 11. an inner needle tube; 12. an outer needle tube; 2. a needle stand; 21. an injection cavity; 22. a reflow chamber; 3. a through hole; 4. perforating; 5. a transparent baffle; 6. a piston core rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The application is described in further detail below with reference to fig. 1-4.
Examples
In a first aspect, embodiments of the present application disclose an embolic injection needle.
Referring to fig. 1, 2 and 3, an anti-embolism injection needle comprises a needle tube 1 and a needle seat 2, wherein the needle tube 1 comprises an inner needle tube 11 and an outer needle tube 12, the inner needle tube 11 and the outer needle tube 12 are both arranged in a hollow mode, the outer needle tube 12 is sleeved on the inner needle tube 11, the tip of the outer needle tube 12 is longer than the tip of the inner needle tube 11, the inner part of the needle seat 2 is provided with an injection cavity 21 and a reflux cavity 22, the injection cavity 21 is communicated with the inner needle tube 11, and the reflux cavity 22 is communicated with the outer needle tube 12.
In actual use, when the dermal subcutaneous injection or the injection is carried out on periosteum of a patient, the needle tube 1 is firstly contacted with the skin of the patient, along with the further movement of the injector, the tip of the outer needle tube 12 is firstly used for puncturing the skin, in the process of puncturing the skin, the tip of the inner needle tube 11 is shorter than the tip of the outer needle tube 12, so that the inner needle tube 11 is later than the outer needle tube 12 to be contacted with the skin, and in the process of puncturing the blood vessel, the outer needle tube 12 is firstly contacted with the blood vessel, at the same time, the injection cavity 21 is not communicated with the outer needle tube 12, and no tissue substitute such as hyaluronic acid, collagen and the like is filled in the outer needle tube 12, so that the blood flowing out of the punctured blood vessel can be led out, and the occurrence of vascular embolism and subcutaneous blood stasis caused by the entering the blood vessel is avoided, the secondary injury to the patient is reduced to the greatest extent, and the practicality and the reliability of the whole device are improved.
Referring to fig. 1, the outer needle tube 12 is provided with a through hole 3 for returning blood out of the outer needle tube 12.
In the actual use process of the needle head, after the tip of the needle head pierces a blood vessel, the outer needle tube 12 is contacted with blood in advance compared with the inner needle tube 11, blood enters the inner part of the outer needle tube 12 and can flow out through the through hole 3, and a worker observes the blood in the outer needle tube 12 through the through hole 3, so that the worker can be reminded obviously.
As an embodiment of the present application, referring to fig. 3 and 4, the needle holder 2 is provided with a through hole 4, and the through hole 4 communicates with the reflux cavity 22.
In the actual use process of the needle, after the tip of the needle pierces a blood vessel, the outer needle tube 12 contacts blood in advance compared with the inner needle tube 11, and the blood can enter the reflux cavity 22 through the outer needle tube 12 and flow out through the perforation 4 communicated with the outside, so that a remarkable reminding is played for staff.
As another embodiment of the present application, referring to fig. 5, the needle holder 2 is provided with a through hole 4 communicating with the reflux cavity 22, and the needle tube 1 is provided with a transparent baffle 5, and the transparent baffle 5 is used for closing the through hole 3.
In a second aspect, the present application also provides an injector.
Referring to fig. 6, an injector comprises a plunger rod 6 and a needle as described above, and a needle holder 2 is provided on the plunger rod 6.
The embodiment of the application relates to an embolism prevention injection needle and an implementation principle of the injector, which are as follows:
In the process of puncturing the skin, the outer needle tube 12 is firstly contacted with the skin of a patient, and similarly, when the blood vessel is punctured, the outer needle tube 12 is also firstly contacted with the blood vessel, and at the moment, no tissue substitute such as hyaluronic acid, collagen and other fillers exist in the injection cavity 21, so that the occurrence of vascular embolism and subcutaneous blood stasis of the patient caused by the entry of the tissue substitute into the blood vessel can be effectively avoided, the secondary injury to the patient is reduced to the greatest extent, and the practicability is remarkably improved; blood flows into the reflux cavity 22 through the outer needle tube 12 and can be discharged through the connecting tube, and after the needle is used, the residual blood in the reflux cavity 22 can be absorbed through the connecting tube, so that the practicability of the device is improved; when the patient is subcutaneously injected, the needle is mounted on the plunger rod 6, and the patient can be injected subcutaneously or periostally, if a blood vessel is punctured in the injection process, blood flows into the reflux cavity 22 through the outer needle tube 12, and if the blood vessel is not punctured, a medical staff can push an injection into the injection cavity 21 in the needle seat 2 through the plunger rod 6, so that the patient can be injected subcutaneously or periostally through the inner needle tube 11.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. The utility model provides an prevent embolism syringe needle, includes needle tubing and needle file, its characterized in that: the needle tube comprises an inner needle tube and an outer needle tube, the inner needle tube and the outer needle tube are both arranged in a hollow mode, the outer needle tube is sleeved on the inner needle tube, the tip of the outer needle tube is longer than the tip of the inner needle tube, the inner portion of the needle seat is an injection cavity and a backflow cavity, the injection cavity is communicated with the inner needle tube, and the backflow cavity is communicated with the outer needle tube.
2. An embolic injection needle as in claim 1, wherein: the outer needle tube is provided with a through hole for blood to flow back out of the outer needle tube.
3. An embolic injection needle as in claim 1 or 2, wherein: the needle seat is provided with a perforation which is communicated with the reflux cavity.
4. An embolic injection needle as in claim 2, wherein: the needle seat is provided with a perforation communicated with the reflux cavity, the needle tube is provided with a transparent baffle plate, and the transparent baffle plate is used for sealing the perforation.
5. An injector, comprising a plunger rod, characterized in that: a needle as claimed in any one of claims 1 to 4, wherein the hub is provided on a plunger rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322354666.4U CN221535220U (en) | 2023-08-30 | 2023-08-30 | Embolism prevention syringe needle and syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322354666.4U CN221535220U (en) | 2023-08-30 | 2023-08-30 | Embolism prevention syringe needle and syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221535220U true CN221535220U (en) | 2024-08-16 |
Family
ID=92249352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322354666.4U Active CN221535220U (en) | 2023-08-30 | 2023-08-30 | Embolism prevention syringe needle and syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221535220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117045904A (en) * | 2023-08-30 | 2023-11-14 | 成都丽妍仕医疗器械有限公司 | Embolism prevention syringe needle and syringe |
-
2023
- 2023-08-30 CN CN202322354666.4U patent/CN221535220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117045904A (en) * | 2023-08-30 | 2023-11-14 | 成都丽妍仕医疗器械有限公司 | Embolism prevention syringe needle and syringe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |