CN216934297U - Syringe for patient to use independently - Google Patents
Syringe for patient to use independently Download PDFInfo
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- CN216934297U CN216934297U CN202220140170.XU CN202220140170U CN216934297U CN 216934297 U CN216934297 U CN 216934297U CN 202220140170 U CN202220140170 U CN 202220140170U CN 216934297 U CN216934297 U CN 216934297U
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- needle
- needle head
- syringe
- patient
- injector
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Abstract
The utility model discloses an injector independently used by a patient, which relates to the technical field of medical instruments and comprises an injector body, a first needle head and a second needle head, wherein the front end of the injector body is provided with a through hole, liquid channels are arranged inside the first needle head and the second needle head, the first needle head is positioned at the front end of the injector body, the liquid channel of the first needle head is communicated with the through hole, the first needle head is detachably inserted into the liquid channel of the second needle head, the liquid channel of the second needle head is communicated with the liquid channel of the first needle head, the front end of the first needle head is positioned inside the second needle head, and the front end of the second needle head is provided with a needle point part. The second syringe needle cup joints in the first syringe needle outside, and the pinpoint portion of second syringe needle pierces through the bottle plug and takes out the medicine, and first syringe needle contactless bottle plug avoids first syringe needle wearing and tearing to become blunt, reduces painful sense when pricking the patient on one's body.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an injector for autonomous use by a patient.
Background
Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.
In a normal one milliliter hypodermic syringe, the needle is relatively thin and the more thin the needle penetrates the skin, the less painful the needle is. The drawback that current syringe exists is, when drawing the medicine, the syringe needle of syringe need pierce through the bottle plug and draw the medicine, and the bottle plug is worn repeatedly to the syringe needle, will let this syringe needle become dull very much, and the sharpness of syringe needle also can influence painful sense, and the syringe needle that becomes dull will increase painful sense when pricking the patient on one's body again. In addition, the needle needs to be inclined at an angle of 30 degrees to penetrate into the skin for injection, but the patient lacks professional knowledge and experience and is difficult to grasp.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an injector which is used by a patient independently, and aims to solve the problem that a needle of the injector punctures a bottle stopper to draw medicine so that the needle becomes dull.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a syringe that patient independently used, including the syringe body, first syringe needle and second syringe needle, the syringe body front end is equipped with the through-hole, the inside of first syringe needle and second syringe needle has liquid passage, first syringe needle is located syringe body front end, the liquid passage and the through-hole intercommunication of first syringe needle, the detachable grafting of first syringe needle is inside the liquid passage of second syringe needle, the liquid passage of second syringe needle and the liquid passage intercommunication of first syringe needle, the front end of first syringe needle is located the inside of second syringe needle, second syringe needle front end has the needle point portion.
Further, the front end of the second needle has a beveled surface.
Further, the first needle is provided with a needle body and a needle base, the needle body is located at one end of the needle base, and a protruding portion is arranged on the outer side of the needle base.
Further, the tail end of the second needle head is detachably matched with the needle seat in an inserting manner.
Furthermore, the included angle between the straight line of the connecting line formed by the highest position of the convex part and the needle point of the first needle head and the length direction of the first needle head is 30-40 degrees.
Further, the injector body comprises a syringe and a piston, and the piston is arranged in the syringe in a sliding mode.
Further, the syringe body also comprises a piston rod, and the piston is positioned at the front end of the piston rod.
Further, the material of the syringe is a transparent material.
Further, the outer surface of the cylinder is provided with a scale indicating the volume of the liquid.
The utility model has the following advantages: the second syringe needle cup joints in the first syringe needle outside, and the pinpoint portion of second syringe needle pierces through the bottle plug and takes out the medicine, and first syringe needle contactless bottle plug avoids first syringe needle wearing and tearing to become blunt, reduces painful sense when pricking the patient on one's body.
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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
FIG. 1 is a schematic diagram of a patient-friendly syringe according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second needle of an injector for autonomous use by a patient according to an embodiment of the present invention.
In the figure: 1-an injector body; 2-a first needle; 3-a second needle; 4-a boss; 5-a piston rod; 6-fixing seat.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
As shown in fig. 1 and 2, the embodiment of the present invention provides an injector for autonomous use by a patient, including an injector body 1, a first needle 2 and a second needle 3, a through hole is provided at the front end of the injector body 1, a fluid passage is provided inside the first needle 2 and the second needle 3, the first needle 2 is located at the front end of the injector body 1, the fluid passage of the first needle 2 is communicated with the through hole, the first needle 2 is detachably inserted inside the fluid passage of the second needle 3, the fluid passage of the second needle 3 is communicated with the fluid passage of the first needle 2, the front end of the first needle 2 is located inside the second needle 3, and the front end of the second needle 3 is provided with a needle tip portion. The second syringe needle cup joints in the first syringe needle outside, and the pinpoint portion of second syringe needle pierces through the bottle plug and takes out the medicine, and first syringe needle contactless bottle plug avoids first syringe needle wearing and tearing to become blunt, reduces painful sense when pricking the patient on one's body.
In an alternative embodiment, the front end of the second needle 3 is provided with a bevel cut surface, so that the needle can penetrate the skin more easily and can be inserted into blood vessels, the stress surface is small, and the pain caused by the needle is reduced.
In an alternative embodiment, the first needle 2 has a needle body and a needle seat, the needle body is located at one end of the needle seat, the outer side of the needle seat is provided with a protruding part 4, and during injection, the protruding part 4 is flatly attached to the skin, so that the needle can enter the skin at a fixed angle for injection.
In an alternative embodiment, the tail end of the second needle 3 is detachably inserted and matched with the needle seat, specifically, the tail end of the second needle 3 may be provided with a fixed seat, and the fixed seat 6 and the needle seat are inserted and fastened with each other through an interference fit in size.
In an optional embodiment, an included angle between a connecting line formed by the highest position of the convex part 4 and the needle tip of the first needle 2 and a straight line of the length direction of the first needle 2 is 30 degrees to 40 degrees, so that the needle is inclined upwards and penetrates into a part needing injection at an angle of about 30 degrees to 40 degrees with the skin, the success rate of puncture within a needle inserting angle range of 30 degrees to 40 degrees is the highest, and the pain of a patient is light, and is preferably 30 degrees.
In an alternative embodiment, the injector body 1 comprises a syringe and a piston, wherein the piston is arranged in the syringe in a sliding way and pushes the piston to the inside of the syringe for injection.
In an alternative embodiment, the syringe body 1 further comprises a plunger rod 5, the plunger being located at the forward end of the plunger rod 5.
In an alternative embodiment, the material of the syringe is a transparent material, such as transparent glass or transparent plastic, and the outer surface of the syringe is provided with a scale indicating the volume of the liquid.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (9)
1. An injector for autonomous use by a patient, characterized by: the novel syringe comprises a syringe body (1), a first needle head (2) and a second needle head (3), wherein a through hole is formed in the front end of the syringe body (1), a liquid channel is formed in the first needle head (2) and the second needle head (3), the first needle head (2) is located in the front end of the syringe body (1), the liquid channel of the first needle head (2) is communicated with the through hole, the first needle head (2) is detachably inserted into the liquid channel of the second needle head (3), the liquid channel of the second needle head (3) is communicated with the liquid channel of the first needle head (2), the front end of the first needle head (2) is located in the second needle head (3), and a needle tip portion is formed in the front end of the second needle head (3).
2. The patient-autonomous injector of claim 1, wherein: the front end of the second needle (3) is provided with a bevel cut surface.
3. The patient-autonomous injector of claim 1, wherein: the first needle head (2) is provided with a needle head body and a needle seat, the needle head body is located at one end of the needle seat, and a protruding portion (4) is arranged on the outer side of the needle seat.
4. The patient-autonomous injector of claim 3, wherein: the tail end of the second needle head (3) is detachably matched with the needle seat in an inserting manner.
5. The patient-autonomous injector of claim 3, wherein: the included angle between the straight line of the connecting line formed by the highest position of the convex part (4) and the needle tip of the first needle (2) and the length direction of the first needle (2) is 30-40 degrees.
6. The patient-autonomous injector of claim 1 wherein: the injector body (1) comprises a needle cylinder and a piston, and the piston is arranged in the needle cylinder in a sliding mode.
7. The patient-autonomous injector of claim 6, wherein: the syringe body (1) further comprises a piston rod (5), and the piston is located at the front end of the piston rod (5).
8. The patient-autonomous injector of claim 6, wherein: the material of the syringe is transparent material.
9. The patient-autonomous injector of claim 8, wherein: the outer surface of the needle cylinder is provided with scales for indicating the volume of the liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140170.XU CN216934297U (en) | 2022-01-19 | 2022-01-19 | Syringe for patient to use independently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140170.XU CN216934297U (en) | 2022-01-19 | 2022-01-19 | Syringe for patient to use independently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216934297U true CN216934297U (en) | 2022-07-12 |
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ID=82315758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220140170.XU Active CN216934297U (en) | 2022-01-19 | 2022-01-19 | Syringe for patient to use independently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216934297U (en) |
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2022
- 2022-01-19 CN CN202220140170.XU patent/CN216934297U/en active Active
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