CN211214778U - Inlay safe syringe needle - Google Patents
Inlay safe syringe needle Download PDFInfo
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- CN211214778U CN211214778U CN201921268214.1U CN201921268214U CN211214778U CN 211214778 U CN211214778 U CN 211214778U CN 201921268214 U CN201921268214 U CN 201921268214U CN 211214778 U CN211214778 U CN 211214778U
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- sheath
- needle
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Abstract
The utility model discloses an inlay safety syringe needle, including needle file and the needle tubing of fixed connection on the needle file, articulated on the needle file have the trough-like sheath of avoiding needle tubing thorn people, be equipped with on the needle file be used for with the lug of trough-like sheath joint, be equipped with the draw-in groove with the lug adaptation on the trough-like sheath, the fixed elasticity trip that is used for blocking the needle tubing that is equipped with in the trough-like sheath, the trough-like sheath includes the sheath section that two sections slip settings. The utility model discloses rotate the trough-shaped sheath again after syringe needle is installed on the cylinder, avoid the condition that the needle tube stabs the people in the installation of syringe needle, because the influence of sheath can be avoided at the injection in-process maximize to the setting of trough-shaped sheath telescopic moreover.
Description
Technical Field
The utility model relates to an inlay safe syringe needle.
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. At present, in order to reduce the occupied area of an injector during transportation, an injection needle and a needle cylinder are generally packaged separately, then medical staff install the injection needle on the needle cylinder and then use the injection needle, but medical staff are easily punctured by the needle cylinder in the installation process, so that the embedding of the safe injection needle occurs at one time, a plurality of injection needles are additionally provided with a sheath or other mechanisms to protect the staff from being punctured in the installation process during production, but the sheath is also connected with the needle seat after installation, so that the injection can be influenced by the fact that the sheath is pulled aside the needle seat during subsequent injection; in addition, to avoid air embolism caused by gas injection into blood vessels, air is removed from the syringe prior to injection to avoid embolism, requiring the syringe to be inverted, tapped gently, and then squeezed out a bit of fluid prior to injection into the bloodstream, which can degrade the hospital environment, often with the injection fluid squeezed out on the ground.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide one kind and inlay safe syringe needle, avoid the condition that the needle tube stabbed the people in the installation of syringe needle, can not be influenced in the injection process moreover.
In order to achieve the purpose, the technical scheme of the utility model a design a inlay safety syringe needle, including needle file and the needle tubing of fixed connection on the needle file, articulated on the needle file have the trough-like sheath of avoiding needle tubing thorn people, be equipped with on the needle file be used for with the lug of trough-like sheath joint, be equipped with on the trough-like sheath with the draw-in groove of lug adaptation, the fixed elasticity trip that is used for blocking the needle tubing that is equipped with in the trough-like sheath, the trough-like sheath includes the sheath section that two sections slip set up. When the groove-shaped sheath rotates to a position parallel to the needle tube, the clamping groove and the elastic clamping hook on the groove-shaped sheath respectively clamp the needle seat and the needle tube, so that the situation that the needle tube is tilted to hurt a person in the process of installing the injection needle to the needle tube is prevented; after the needle tube is installed, the lug is pressed by one hand (due to the fact that the lug is made of the same plastic material as the needle seat and has elasticity), the groove-shaped sheath is rotated by the other hand to enable the needle tube to leave the groove-shaped sheath (due to the fact that the elastic clamping hook has elasticity in the process, the needle tube extrudes the elastic clamping hook), and the needle tube is exposed out of the groove-shaped sheath to complete subsequent injection work; the two-section sliding arrangement of the groove-shaped sheath can push the sheath section of the outer section after the needle tube is exposed out of the groove-shaped sheath, so that the groove-shaped sheath contracts to avoid influencing injection due to the existence of the sheath.
The further technical proposal is that one of the two sections of the groove-shaped sheath is provided with a mounting groove for placing a plastic film or water-absorbing cloth. The water absorption cloth is the preferred scheme, and it can be used for absorbing a little liquid that extrudes before injecting to the blood flow, avoids the injection to spout ground to because all be syringe needle, syringe use promptly abandon the processing soon, the water absorption cloth also can not cause subsequent syringe's pollution owing to absorb the injection. When the injection is extruded before injection, the plastic film or the water-absorbing cloth in the mounting groove is taken out to be blocked in front of the needle head of the needle tube, so that the extruded injection is prevented from being sprayed to the ground.
The further technical proposal is that the two convex blocks are arranged above the hinged point of the needle seat and the groove-shaped sheath; the elastic clamping hook is made of the same material as the groove-shaped sheath and is made of PVC or PE or PP, and the convex block is made of the same material as the needle seat and is made of PVC or PE or PP. The lug is made of PVC or PE or PP, so that the lug has elasticity to facilitate the rotation of the groove-shaped sheath.
The groove-shaped sheath comprises a first sheath section hinged with the needle base and a second sheath section arranged in a sliding manner with the first sheath section, the second sheath section is provided with a blind hole used for the sliding of the first sheath section, an orifice of the blind hole is integrally provided with an inward flange, and the end part of the first sheath section, which is positioned in the blind hole, is provided with a baffle sheet matched with the inward flange; the upper end of the first sheath section, which is close to the needle seat, is provided with a plug matched with the mounting groove, and one end of the plastic film or one end of the water absorption cloth in the mounting groove is fixedly connected to the plug. The cooperation of inside out turn-ups and separation blade can avoid breaking away from of first sheath section and second sheath section, and the one end fixed connection that absorbs water cloth takes out the cloth that absorbs water when pulling out the end cap on the end cap, fills in the mounting groove again after finishing using or directly takes on the trough-shaped sheath.
The utility model has the advantages and the beneficial effects that: the groove-shaped sheath is rotated after the injection needle is installed on the needle cylinder, so that the condition that the needle cylinder punctures people in the installation process of the injection needle is avoided, and the influence of the sheath can be avoided to the maximum extent in the injection process due to the telescopic arrangement of the groove-shaped sheath; when the groove-shaped sheath rotates to a position parallel to the needle tube, the clamping groove and the elastic clamping hook on the groove-shaped sheath respectively clamp the needle seat and the needle tube, so that the situation that the needle tube is tilted to hurt a person in the process of installing the injection needle to the needle tube is prevented; after the needle tube is installed, the lug is pressed by one hand (due to the fact that the lug is made of the same plastic material as the needle seat and has elasticity), the groove-shaped sheath is rotated by the other hand to enable the needle tube to leave the groove-shaped sheath (due to the fact that the elastic clamping hook has elasticity in the process, the needle tube extrudes the elastic clamping hook), and the needle tube is exposed out of the groove-shaped sheath to complete subsequent injection work; the two-section sliding arrangement of the groove-shaped sheath can push the sheath section of the outer section after the needle tube is exposed out of the groove-shaped sheath, so that the groove-shaped sheath contracts to avoid influencing injection due to the existence of the sheath. The water absorption cloth can be used for absorbing a little liquid extruded before being injected into blood flow, injection liquid is prevented from being sprayed to the ground, and the injection needle and the injector are discarded after being used, so that subsequent needle tube pollution caused by the injection liquid is avoided. When the injection is extruded before injection, the plastic film or the water-absorbing cloth in the mounting groove is taken out to be blocked in front of the needle head of the needle tube, so that the extruded injection is prevented from being sprayed to the ground. The lug is made of PVC or PE or PP, so that the lug has elasticity to facilitate the rotation of the groove-shaped sheath. The cooperation of inside out turn-ups and separation blade can avoid breaking away from of first sheath section and second sheath section, and the one end fixed connection that absorbs water cloth takes out the cloth that absorbs water when pulling out the end cap on the end cap, fills in the mounting groove again after finishing using or directly takes on the trough-shaped sheath.
Drawings
Fig. 1 is a schematic view of a first embodiment of a mosaic safety injection needle of the present invention;
FIG. 2 is a schematic view of the hub and barrel portion of FIG. 1;
FIG. 3 is a schematic view of the slotted sheath of FIG. 1;
fig. 4 is a schematic view of a second embodiment of the present invention;
FIG. 5 is a top view of a slotted sheath according to a second embodiment of the present invention;
fig. 6 is a perspective view of the bottom view of fig. 5.
In the figure: 1. a needle seat; 2. a needle tube; 3. a groove-shaped sheath; 4. a bump; 5. a card slot; 6. an elastic clamping hook; 7. water-absorbing cloth; 8. mounting grooves; 9. a first sheath segment; 10. a second sheath segment; 11. blind holes; 12. inward flanging; 13. a baffle plate; 14. and (7) a plug.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1 to 3, the utility model relates to an inlay safety syringe needle, including needle file 1 and the needle tubing 2 of fixed connection on needle file 1, articulated on the needle file 1 have the trough-like sheath 3 of avoiding 2 thorn people of needle tubing, be equipped with on the needle file 1 be used for with the lug 4 of 3 joints of trough-like sheath, be equipped with on the trough-like sheath 3 with the draw-in groove 5 of lug 4 adaptation, the trough-like sheath 3 internal fixation is equipped with the elasticity trip 6 that is used for blocking needle tubing 2, the trough-like sheath 3 includes the sheath section that two sections slip set up. The two convex blocks 4 are positioned above the hinge point of the needle base 1 and the groove-shaped sheath 3; the elastic clamping hook 6 is made of the same material as the groove-shaped sheath 3 and is made of PVC, PE or PP, and the convex block 4 is made of the same material as the needle seat 1 and is made of PVC, PE or PP.
Example two:
the difference from the first embodiment is that as shown in fig. 4 to 6, one of the two sheath sections of the groove-shaped sheath 3 is provided with a mounting groove 8 for placing a plastic film or water absorption cloth 7. The groove-shaped sheath 3 comprises a first sheath section 9 hinged with the needle base 1 and a second sheath section 10 arranged in a sliding manner with the first sheath section 9, a blind hole 11 used for the first sheath section 9 to slide is arranged on the second sheath section 10, an inner flanging 12 is integrally arranged at an orifice of the blind hole 11, and a baffle 13 matched with the inner flanging 12 is arranged at the end part of the first sheath section 9 positioned in the blind hole 11; the upper end of the first sheath section 9 close to the needle base 1 is provided with a plug 14 matched with the mounting groove 8, and one end of the plastic film or the water absorption cloth 7 in the mounting groove 8 is fixedly connected to the plug 14.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. Inlay safety syringe needle, its characterized in that, including needle file and the needle tubing of fixed connection on the needle file, articulated on the needle file have the trough-like sheath of avoiding the needle tubing to sting the people, be equipped with on the needle file be used for with the lug of trough-like sheath joint, be equipped with on the trough-like sheath with the draw-in groove of lug adaptation, the fixed elasticity trip that is used for blocking the needle tubing that is equipped with in the trough-like sheath, the trough-like sheath includes the sheath section that two sections slip settings.
2. The inlaid safety injection needle according to claim 1, wherein the groove-like sheath has a mounting groove for placing a plastic film or water-absorbing cloth on one of the two sheath segments.
3. The inlaid safety injection needle according to claim 2, wherein the projection is located above the hinge point of the needle holder and the groove-shaped sheath, and two projections are provided; the elastic clamping hook is made of the same material as the groove-shaped sheath and is made of PVC or PE or PP, and the convex block is made of the same material as the needle seat and is made of PVC or PE or PP.
4. The inlaid safety injection needle according to claim 2 or 3, wherein the groove-shaped sheath comprises a first sheath section hinged with the needle base and a second sheath section arranged in a sliding manner with the first sheath section, the second sheath section is provided with a blind hole for the first sheath section to slide, an inner flanging is integrally arranged at the hole opening of the blind hole, and the end part of the first sheath section, which is positioned in the blind hole, is provided with a baffle sheet matched with the inner flanging; the upper end of the first sheath section, which is close to the needle seat, is provided with a plug matched with the mounting groove, and one end of the plastic film or one end of the water absorption cloth in the mounting groove is fixedly connected to the plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268214.1U CN211214778U (en) | 2019-08-07 | 2019-08-07 | Inlay safe syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268214.1U CN211214778U (en) | 2019-08-07 | 2019-08-07 | Inlay safe syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211214778U true CN211214778U (en) | 2020-08-11 |
Family
ID=71916021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921268214.1U Active CN211214778U (en) | 2019-08-07 | 2019-08-07 | Inlay safe syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211214778U (en) |
-
2019
- 2019-08-07 CN CN201921268214.1U patent/CN211214778U/en active Active
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