CN214907797U - Disposable varicose vein injection needle - Google Patents

Disposable varicose vein injection needle Download PDF

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Publication number
CN214907797U
CN214907797U CN202120053376.4U CN202120053376U CN214907797U CN 214907797 U CN214907797 U CN 214907797U CN 202120053376 U CN202120053376 U CN 202120053376U CN 214907797 U CN214907797 U CN 214907797U
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CN
China
Prior art keywords
needle
loop bar
fixedly connected
injection needle
disposable
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Application number
CN202120053376.4U
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Chinese (zh)
Inventor
张鸣青
鲍远燕
刘将
卢嘉臻
刘文平
吕新芝
万红
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Ninth Hospital Of Joint Service Support Force Of Chinese Pla
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Ninth Hospital Of Joint Service Support Force Of Chinese Pla
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Priority to CN202120053376.4U priority Critical patent/CN214907797U/en
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Abstract

The utility model relates to the technical field of injection needles, in particular to a disposable varicose injection needle, which comprises an injection needle body, wherein the injection needle body comprises a handle, a luer connector and a puncture needle, the left end of the handle is fixedly connected with a first fixed disk, the right end of the handle is fixedly connected with a second fixed disk, and a movable loop bar is fixedly sleeved on the surface of a rod body of the puncture needle; the utility model discloses can be effectual move movable loop bar through slow twisting the regulating wheel, thereby make the pjncture needle slow reachd predetermined injection point from the biopsy passageway, and when the regulating wheel was close to first spacing card and the spacing card of second, can restrict the rotatory number of degrees of regulating wheel, force medical personnel promptly and can only twist the regulating wheel in the clearance, reduce the advancing speed of pjncture needle promptly, thereby realize avoiding the pjncture needle too quick injection point that is close, finally make the pjncture needle safer injection point that is close.

Description

Disposable varicose vein injection needle
Technical Field
The utility model relates to a syringe needle technical field, concretely relates to disposable varices syringe needle.
Background
Varicose veins are one of the most common diseases in vascular disorders of the extremities. Varicose veins occur in the lower extremities. The main reason for the formation of varicose veins is that blood accumulates in the lower limbs due to the fact that congenital blood vessel membranes are weak or rarely change in posture after being maintained for a long time, and the venous valves are damaged in the case of day-to-month accumulation, so that the venous pressure is too high, and the blood vessels protrude out of the surface of the skin. In many operations, sclerosing agent varicose vein intracavitary coagulation is a more convenient operation. The operation is a surgical method which can be easily completed by injecting a hardening agent into the varicose vein cavity to block the varicose great saphenous vein, organize the varicose vein, absorb the tissue, then eliminate the varicose vein, shorten the hospitalization time of a patient or not hospitalizing the patient, and is an excellent great saphenous vein treatment scheme.
At present, before injecting the sclerosing agent to the diseased part of the patient by using the injection needle, the injection part is usually aligned by using an endoscope, and then the injection needle is guided to the preset injection part from a biopsy channel of the endoscope. However, when the needle passes through the biopsy channel, the closer the needle is to the predetermined injection point, the slower and more stable the medical staff will push the needle, so as to ensure the accurate pushing of the needle to the predetermined injection position, and simultaneously avoid the secondary injury of the patient caused by the protruding needle.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a disposable varicose injection needle, this design possess can be accurate send the pjncture needle into the injection point, and send into the stability that the in-process can guarantee the pjncture needle, avoid the pjncture needle advantage that the rebound appears, solved prior art, comparatively troublesome and the problem that has certain potential safety hazard of use operation to the puncture needle.
The utility model discloses a disposable varicose syringe needle, including the syringe needle body, the syringe needle body is including handle, luer joint and pjncture needle, the first fixed disk of left end fixedly connected with of handle, the right-hand member fixedly connected with second fixed disk of handle, the fixed movable loop bar that has cup jointed on the body of rod surface of pjncture needle, it is equipped with the screw thread to just be located left position on the body of rod of activity loop bar, the handle thread bush is established on the body of rod surface of activity loop bar, the left end screw thread of activity loop bar runs through first fixed disk, the right-hand member screw thread of activity loop bar runs through the second fixed disk, the fixed regulating wheel that has cup jointed on the body of rod of activity loop bar right-hand member, the first spacing card of top fixedly connected with on second fixed disk right side, the spacing card of bottom fixedly connected with second on second fixed disk right side.
The utility model discloses a disposable varicose injection needle, wherein, the top and the bottom of the inner cavity of the first fixed disk are both provided with cavities, the inner wall of the cavity is fixedly connected with a spring, one side of the spring, which is far away from the inner wall of the cavity, is fixedly connected with a rubber pressing block, and one side of the rubber pressing block, which is far away from the spring, is attached to the rod body of the movable loop bar; the appearance of this design can effectually exert pressure to the activity loop bar, and then takes place to remove when avoiding the activity loop bar to be in quiescent condition.
The utility model discloses a disposable varicose injection needle, wherein, first spacing card and second spacing card are the convex structure, the top of first spacing card is carved with the scale mark from right to left equidistance, first spacing card and second spacing card are transparent plastic and make; the appearance of this design, the messenger regulating wheel that can be convenient enters into first spacing card and the spacing card of second, and also can see through first spacing card and observe the instruction line.
The utility model discloses a disposable varicose injection needle, wherein, the wheel body surface of regulating wheel transversely is provided with anti-skidding rack, the middle part of regulating wheel body surface is carved with an instruction line along the annular, the inner wall at first spacing card is laminated at the wheel body top of regulating wheel, the inner wall at second spacing card is laminated at the wheel body bottom of regulating wheel; the adjusting wheel can be conveniently screwed when the design is adopted.
The utility model relates to a disposable varicose vein injection needle, wherein, the rod body at the right end of the puncture needle movably penetrates to the inner cavity of a luer connector, the left side of the inner cavity of the luer connector is fixedly connected with a sealing ring, and the puncture needle movably penetrates through the sealing ring; the appearance of this design can guarantee the leakproofness in luer joint inside.
The utility model relates to a disposable varicose vein injection needle, wherein, the rod body at the right end of the puncture needle movably penetrates to the inner cavity of a luer connector, the left side of the inner cavity of the luer connector is fixedly connected with a sealing ring, and the puncture needle movably penetrates through the sealing ring; the appearance of this design can guarantee the leakproofness in luer joint inside.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a handle, the pjncture needle, the activity loop bar, first fixed disk, the design of second fixed disk and regulating wheel isotructure, can effectually twist through slow and move the regulating wheel and remove the activity loop bar, thereby make the pjncture needle slow arrive predetermined injection point from the biopsy passageway, and when the regulating wheel is close to first spacing card and the spacing card of second, can restrict the rotation number of degrees of regulating wheel, force medical personnel promptly and can only twist in the clearance and move the regulating wheel, reduce the advancing speed of pjncture needle promptly, thereby realize avoiding the too quick injection point that is close of pjncture needle, finally make the safer injection point that is close of pjncture needle.
2. The utility model discloses a cavity, spring and the rubber briquetting of design in first fixed disk then can effectually exert an extrusion force to the activity loop bar to guarantee that the activity loop bar is not receiving external twisting when moving, the activity loop bar can keep static state, and then has guaranteed the stability of pjncture needle, avoid the pjncture needle to keep away from the injection point or too be close the puncture point when the injection operation, final further promotion the device's security.
3. The utility model discloses a scale mark of establishing is carved on first spacing card to and the instruction line that sets up on the regulating wheel, then can refer to the instruction line on the regulating wheel and the scale mark on the first spacing card when rotating the regulating wheel, thereby confirm regulating wheel pivoted distance, the distance that the pjncture needle removed promptly, and then make more accurate being close to the injection point of syringe needle, promote the propelling movement effect of syringe needle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic front sectional structural view of the injection needle body of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;
fig. 4 is a schematic side view of the first limit card and the second limit card of the present invention;
fig. 5 is a schematic perspective view of a first position-limiting card according to the present invention;
fig. 6 is a schematic perspective view of the adjusting wheel of the present invention;
fig. 7 is a front view of the syringe needle body of the present invention.
In the figure: 1. a needle body; 2. a handle; 3. a luer fitting; 4. puncturing needle; 5. a movable loop bar; 6. a first fixed disk; 601. a cavity; 602. a spring; 603. pressing rubber blocks; 7. a second fixed disk; 8. a first limit card; 801. scale lines; 9. a second limit card; 10. an adjustment wheel; 1001. an indicator line; 11. a seal ring; 12. a gap.
Detailed Description
Referring to fig. 1-7, the disposable varicose vein injection needle of the present invention comprises a needle body 1, the needle body 1 comprises a handle 2, luer 3 and pjncture needle 4, the left end fixedly connected with first fixed disk 6 of handle 2, the right-hand member fixedly connected with second fixed disk 7 of handle 2, the fixed cover of body of rod surface of pjncture needle 4 has connect movable loop bar 5, just be located left position on the body of rod of movable loop bar 5 and carve and be equipped with the screw thread, the body of rod surface at movable loop bar 5 is established to handle 2 thread bush, the left end screw thread of movable loop bar 5 runs through first fixed disk 6, the right-hand member screw thread of movable loop bar 5 runs through second fixed disk 7, the fixed cover of the body of rod of movable loop bar 5 right-hand member has connect regulating wheel 10, the first spacing card 8 of top fixedly connected with on second fixed disk 7 right side, the spacing card 9 of bottom fixedly connected with second on second fixed disk 7 right side.
The top and the bottom of the inner cavity of the first fixed disk 6 are both provided with a cavity 601, the inner wall of the cavity 601 is fixedly connected with a spring 602, one side of the spring 602, which is far away from the inner wall of the cavity 601, is fixedly connected with a rubber pressing block 603, and one side of the rubber pressing block 603, which is far away from the spring 602, is attached to the rod body of the movable loop rod 5; the appearance of this design can effectually exert pressure to activity loop bar 5, and then takes place to remove when avoiding activity loop bar 5 to be in quiescent condition.
The first limiting clamping piece 8 and the second limiting clamping piece 9 are both of an arc-shaped structure, scale marks 801 are carved on the top of the first limiting clamping piece 8 from right to left at equal intervals, and the first limiting clamping piece 8 and the second limiting clamping piece 9 are both made of transparent plastics; the appearance of this design, the messenger regulating wheel 10 that can be convenient enters into first spacing card 8 and the spacing card 9 of second, and also can see through first spacing card 8 and observe instruction line 1001.
An anti-skid rack is transversely arranged on the surface of the wheel body of the adjusting wheel 10, an indicating line 1001 is carved in the middle of the surface of the wheel body of the adjusting wheel 10 along the ring shape, the top of the wheel body of the adjusting wheel 10 is attached to the inner wall of the first limiting clamping piece 8, and the bottom of the wheel body of the adjusting wheel 10 is attached to the inner wall of the second limiting clamping piece 9; the adjusting wheel 10 can be conveniently screwed by the design.
The rod body at the right end of the puncture needle 4 movably penetrates into the inner cavity of the luer connector 3, the left side of the inner cavity of the luer connector 3 is fixedly connected with a sealing ring 11, and the puncture needle 4 movably penetrates through the sealing ring 11; the design can ensure the sealing performance of the interior of the luer connector 3.
Gaps 12 are reserved between the front face of the first limit card 8 and the front face of the second limit card 9 and between the back face of the first limit card 8 and the back face of the second limit card 9; the design can ensure that the medical staff can only screw the adjusting wheel 10 from the gap 12 in the final stage, thereby avoiding the over-fast displacement of the puncture needle 4 caused by the over-fast rotating speed of the adjusting wheel 10.
When the utility model is used (working principle), firstly, the tube body of the endoscope is connected to the preset injection point of the patient, then the puncture needle 4 of the device is led into the biopsy channel of the endoscope (since the needle head of the puncture needle 4 is far away from the preset point, the leading-in speed can be faster), when the puncture needle 4 enters into the biopsy channel for a certain distance, the medical staff can hold the handle 2 with one hand, hold the regulating wheel 10 with one hand, and slowly screw the regulating wheel 10, when the regulating wheel 10 is far away from the first limit card 8 and the second limit card 9, the medical staff can rotate the regulating wheel 10 for 360 degrees, when the regulating wheel 10 enters between the first limit card 8 and the second limit card 9, the medical staff can only screw the regulating wheel 10 through the gap 12, namely, only can rotate the regulating wheel 10 for a small angle, thereby avoiding the push-in speed of the puncture needle 4 to be too fast, in the process of rotating the adjusting wheel 10, the medical staff can determine the moving distance of the adjusting wheel 10 by observing the indicating line 1001 and the scale mark 801, so that the effect of pushing the puncture needle 4 more accurately is realized, and the movable loop bar 5 is driven by the adjusting wheel 10 to rotate, so that the left end of the puncture needle 4 can be driven to be extended and the right end of the puncture needle 4 can be driven to be shortened, and finally the puncture needle 4 is close to a preset injection point;
after the adjusting wheel 10 stops rotating, the whole movable loop bar 5 has no external rotating force, and the rubber pressing block 603 always extrudes the movable loop bar 5, so that the movable loop bar 5 and the puncture needle 4 can ensure the stability during injection and avoid moving back.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. A disposable varicose injection needle, includes injection needle body (1), its characterized in that: the injection needle body (1) comprises a handle (2), a luer connector (3) and a puncture needle (4), wherein a first fixed disc (6) is fixedly connected to the left end of the handle (2), a second fixed disc (7) is fixedly connected to the right end of the handle (2), a movable loop bar (5) is fixedly sleeved on the surface of a bar body of the puncture needle (4), threads are arranged on the bar body of the movable loop bar (5) in a carving mode and are located on the left side, the thread sleeve of the handle (2) is arranged on the surface of the bar body of the movable loop bar (5), the thread of the left end of the movable loop bar (5) penetrates through the first fixed disc (6), the thread of the right end of the movable loop bar (5) penetrates through the second fixed disc (7), an adjusting wheel (10) is fixedly sleeved on the bar body of the right end of the movable loop bar (5), and a first limiting clamping piece (8) is fixedly connected to the top of the right side of the second fixed disc (7), the bottom on the right side of the second fixed disc (7) is fixedly connected with a second limiting clamping piece (9).
2. A disposable varicose injection needle according to claim 1 wherein: cavity (601) have all been seted up to the top and the bottom of first fixed disk (6) inner chamber, fixedly connected with spring (602) on the inner wall of cavity (601), one side fixedly connected with rubber briquetting (603) of cavity (601) inner wall just are kept away from in spring (602), one side laminating that spring (602) were kept away from in rubber briquetting (603) is on the body of rod of activity loop bar (5).
3. A disposable varicose injection needle according to claim 1 wherein: first spacing card (8) and second spacing card (9) are convex structure, the top of first spacing card (8) is carved with scale mark (801) to left equidistance from the right side, first spacing card (8) are transparent plastic with second spacing card (9) and make.
4. A disposable varicose injection needle according to claim 1 wherein: the anti-skidding rack is transversely provided with on the wheel body surface of regulating wheel (10), the middle part on regulating wheel (10) wheel body surface is carved along the annular and is equipped with an instruction line (1001), the inner wall at first spacing card (8) is laminated at the wheel body top of regulating wheel (10), the inner wall at the spacing card of second (9) is laminated to the wheel body bottom of regulating wheel (10).
5. A disposable varicose injection needle according to claim 1 wherein: the body of rod activity of pjncture needle (4) right-hand member runs through to the inner chamber of luer joint (3), the left side fixedly connected with sealing washer (11) of luer joint (3) inner chamber, pjncture needle (4) activity runs through sealing washer (11).
6. A disposable varicose injection needle according to claim 1 wherein: gaps (12) are reserved between the front face of the first limiting clamping piece (8) and the front face of the second limiting clamping piece (9) and between the back face of the first limiting clamping piece (8) and the back face of the second limiting clamping piece (9).
CN202120053376.4U 2021-01-08 2021-01-08 Disposable varicose vein injection needle Active CN214907797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120053376.4U CN214907797U (en) 2021-01-08 2021-01-08 Disposable varicose vein injection needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120053376.4U CN214907797U (en) 2021-01-08 2021-01-08 Disposable varicose vein injection needle

Publications (1)

Publication Number Publication Date
CN214907797U true CN214907797U (en) 2021-11-30

Family

ID=79122608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120053376.4U Active CN214907797U (en) 2021-01-08 2021-01-08 Disposable varicose vein injection needle

Country Status (1)

Country Link
CN (1) CN214907797U (en)

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