CN215687884U - Novel disposable venous blood taking needle - Google Patents
Novel disposable venous blood taking needle Download PDFInfo
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- CN215687884U CN215687884U CN202023236673.7U CN202023236673U CN215687884U CN 215687884 U CN215687884 U CN 215687884U CN 202023236673 U CN202023236673 U CN 202023236673U CN 215687884 U CN215687884 U CN 215687884U
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- needle
- blood taking
- needle handle
- handle
- pressing plate
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Abstract
The utility model discloses a novel disposable venous blood taking needle, which relates to the technical field of medical instruments and comprises a venous blood taking needle, a blood taking connecting pipe and a bottle plug puncture needle, wherein the blood taking connecting pipe is communicated with the venous blood taking needle and the bottle plug puncture needle, and a fixing piece is arranged on the venous blood taking needle and/or the blood taking connecting pipe and is used for fixing the venous blood taking needle at or near a blood taking part. After the vein blood taking needle is pierced, the vein blood taking needle is fixed at the blood taking part through the fixing part, so that the condition that the vein blood taking needle falls off to cause puncture injury is avoided, and a blood collector is prevented from being pierced for two times or more.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a novel disposable venous blood taking needle.
Background
The existing vein blood taking needles used clinically are mostly ordinary blood taking needles which are easy to stab in the using process, particularly, the blood taking needles cannot be fixed in the using process, the movement of patients can cause the vein blood taking needles to fall off from blood vessels to stab patients in the blood taking process, or the patients can also cause the falling and stabbing of the vein blood taking needles when being collided by the outside, need to puncture for blood taking again, so that the blood taking needles are easy to be polluted and cause secondary damage to the patients; it is important to solve the problem that the conventional lancet is easily punctured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a novel disposable venous blood taking needle, wherein after the venous blood taking needle is punctured, the venous blood taking needle is fixed at the blood taking part through a fixing part, so that the condition that the venous blood taking needle falls off to cause puncture wound is avoided, and a blood collector is prevented from being injured by puncturing for two times or more times.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a novel disposable venous blood taking needle, includes venous blood taking needle, blood sampling connecting pipe and bottle plug pjncture needle, blood sampling connecting pipe intercommunication venous blood taking needle and bottle plug pjncture needle, be provided with the mounting on venous blood taking needle and/or the blood sampling connecting pipe, the mounting be used for with venous blood taking needle fixes in blood sampling position or blood sampling position near.
The effect of adopting above-mentioned technical scheme does, and the back is pierced to the blood taking needle, fixes the blood taking needle at the blood sampling position through the mounting to avoided the blood taking needle to drop and caused the condition of stabbing, prevented that the blood sampling person from receiving the secondary or prick the injury many times.
Further, the venous blood taking needle comprises a needle handle, the fixing piece is arranged on the needle handle, and the fixing piece is arranged on one side, deviating from the human body, of the needle handle.
Furthermore, the needle handle is provided with an installation cavity, the fixing piece is arranged in the installation cavity, and a through hole for the fixing piece to extend out is formed in one side of the needle handle, which is far away from the human body.
Further, the fixing piece is a medical adhesive tape.
Furthermore, one side of the needle handle, which is far away from the human body, is provided with a glue fixing piece, and the glue fixing piece fixes the pulled medical adhesive tape.
Furthermore, the glue fixing piece comprises a pressing plate, a sliding groove is formed in the needle handle, the through hole is located in the sliding groove, the pressing plate is arranged in the sliding groove, one end of the pressing plate is rotatably connected with the needle handle, and the other end of the pressing plate is in contact with the inner wall of the sliding groove.
Further, the via hole is located on a rotation path of the pressing plate, and the medical adhesive tape is pressed in the sliding groove and is in transition fit with the inner wall of the sliding groove through the medical adhesive tape by the pressing plate.
Furthermore, the needle handle comprises a half-shaped needle handle a and a half-shaped needle handle b, a plurality of protrusions are arranged on the half-shaped needle handle a, and grooves in transition fit with the protrusions are formed in the half-shaped needle handle b.
Further, an inner cavity with an open end is formed in the surface, in contact with the semi-shaped needle handle a, of the semi-shaped needle handle b, the open end of the inner cavity is far away from the venous blood taking needle, a first rotating shaft is arranged in the inner cavity of the semi-shaped needle handle a, a second rotating shaft is arranged in the inner cavity of the semi-shaped needle handle b, and the medical adhesive tape is wound on the first rotating shaft and the second rotating shaft.
Furthermore, the through hole is formed in the half-shaped needle handle a, the medical adhesive tape on the first rotating shaft penetrates out of the through hole, and the adhesive tape on the second rotating shaft penetrates out of the opening end of the inner cavity.
The utility model has the beneficial effects that:
1. the back is pierced to the blood taking needle, do not set up the one end and the blood sampling position contact of medical sticky tape with the needle handle, then pull out the medical sticky tape that deviates from human one side with the needle handle from the via hole and fix the needle handle at the blood sampling position, thereby avoided the blood taking needle to drop and caused the condition of stabbing, prevent that the blood sampling person from receiving the secondary or pierce the injury many times, set up medical sticky tape in the one side that deviates from the human body simultaneously, avoid introducing of medical sticky tape and influence the blood sampling operation, ensure the back that the blood taking needle pierces, the subsides on skin that the needle handle can be as far as possible.
2. Medical sticky tape is fixed the sticky tape of pulling out through pressing the clamp plate after pulling out from the via hole, and the sticky tape of installation intracavity is continuously pulled out from the via hole when avoiding blood sampling person to move about or receive the collision, influences the fixed of needle handle, leads to droing of vein blood sampling needle.
3. The needle handle can be dismantled by half type needle handle a and half type needle handle b and be connected, makes needle handle recycle, and when medical adhesive tape finishes using, can dismantle the new adhesive tape of needle handle installation simultaneously, has avoided wholly abandoning disposable blood taking needle, has reduced the manufacturing cost of disposable blood taking needle.
Drawings
FIG. 1 is a schematic view of the overall structure of one embodiment of a novel disposable intravenous blood collection needle of the present invention;
FIG. 2 is a perspective view of a needle handle of one embodiment of the new disposable intravenous blood collection needle of the present invention;
FIG. 3 is an exploded view of the needle handle of one embodiment of the new disposable intravenous blood collection needle of the present invention;
FIG. 4 is a right side view of the needle handle of one embodiment of the new disposable intravenous blood collection needle of the present invention;
in the figure, 1-vein blood taking needle, 2-blood taking connecting tube, 3-bottle stopper puncture needle, 4-needle handle, 5-installation cavity, 6-through hole, 7-pressing plate, 8-sliding groove, 9-half-type needle handle a, 10-half-type needle handle b, 12-bulge, 13-inner cavity, 14-first rotating shaft and 15-second rotating shaft.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1 to 4, a novel disposable venous blood taking needle comprises a venous blood taking needle 1, a blood taking connecting pipe 2 and a bottle stopper puncture needle 3, wherein the blood taking connecting pipe 2 is communicated with the venous blood taking needle 1 and the bottle stopper puncture needle 3, a fixing member is arranged on the venous blood taking needle 1 and/or the blood taking connecting pipe 2, the fixing member is used for fixing the venous blood taking needle 1 at a blood taking part or near the blood taking part, the venous blood taking needle 1 comprises a needle handle 4, the fixing member is arranged on the needle handle 4, the fixing member is arranged on one side of the needle handle 4, which is far away from a human body, the needle handle 4 is provided with an installation cavity 5, the fixing member is arranged in the installation cavity 5, and one side of the needle handle 4, which is far away from the human body, is provided with a through hole 6 for the fixing member to extend out; the fixing piece is arranged inside the needle handle 4, so that the influence of the increase of the volume and the thickness of the needle handle 4 on the blood sampling process caused by the arrangement of the fixing piece outside the needle handle 4 is avoided, meanwhile, the fixing piece is arranged in the installation cavity 5, the fixing piece is prevented from being influenced by the outside, and the condition that the fixing piece is damaged or fails is avoided; the handheld needle handle 4 of nursing staff takes a blood sample, blood sampling needle 1 pierces blood sampling portion back, with needle handle 4 one end and the contact of blood sampling position that does not set up medical sticky tape, then pull out the medical sticky tape that deviates from human one side with needle handle 4 from via hole 6 and fix needle handle 4 at the blood sampling position, thereby avoided blood sampling needle 1 to drop and caused the condition of stabbing, prevent that the blood sampling person from receiving the secondary or pricking the injury many times, set up medical sticky tape in the one side that deviates from the human body simultaneously, avoid the introduction of medical sticky tape and influence the blood sampling operation, ensure that blood sampling needle 1 pierces the back, the subsides on skin that needle handle 4 can try hard.
Further, the fixing piece is a medical adhesive tape. The medical adhesive tape has the advantages of low cost and convenient material taking, and meanwhile, the medical adhesive tape can not cause infection to the blood sampling part through disinfection treatment and is convenient to separate from the skin.
Further, as shown in fig. 2 to 4, a glue fixing member is disposed on a side of the needle handle 4 away from the human body, and the glue fixing member fixes the pulled medical adhesive tape. Because the medical adhesive tape is coiled in the mounting cavity 5, partial adhesive tape is pulled out from the through hole 6 to fix the needle handle 4, if the pulled medical adhesive tape is not fixed, when a blood collector moves or is collided, the vein blood collection needle 1 can be caused to receive the force of movement, so that the medical adhesive tape is continuously pulled out from the through hole 6, the medical adhesive tape is lost to fix the vein blood collection needle 1, the vein blood collection needle 1 is further caused to fall off, the puncture wound is easily caused, the pulled medical adhesive tape is fixed through the arranged adhesive fixing piece, the pulled medical adhesive tape is adhered to the skin, the medical adhesive tape can not be pulled out from the through hole 6 when the blood collector moves or is collided, the fixing effect of the medical adhesive tape is not influenced, and the puncture wound condition in the blood collection process is effectively prevented.
Further, as shown in fig. 2, the glue fixing member includes a pressing plate 7, a sliding groove 8 is formed in the needle handle 4, the through hole 6 is located in the sliding groove 8, the pressing plate 7 is disposed in the sliding groove 8, one end of the pressing plate 7 is rotatably connected with the needle handle 4, the other end of the pressing plate is in contact with the inner wall of the sliding groove 8, the through hole 6 is located on a rotation path of the pressing plate 7, and the pressing plate 7 presses the medical adhesive tape in the sliding groove 8 and is in transition fit with the inner wall of the sliding groove 8 through the medical adhesive tape. One end of the pressing plate 7 is rotatably connected with the needle handle 4, the other end of the pressing plate is in contact with the inner wall of one end of the sliding groove 8, meanwhile, two side walls of the pressing plate 7 are respectively in contact with two side walls of the sliding groove 8, so that the medical adhesive is pulled out from one side of the sliding groove 8, the pressing plate 7 is rotated into the sliding groove 8, part of the medical adhesive tape is pressed in the sliding groove 8 through the pressing plate 7, and the medical adhesive tape is arranged between the sliding groove 8 and the pressing plate 7, so that the deformation of the adhesive tape in the sliding groove 8 can be caused when the pressing plate 7 is pressed in the sliding groove 8, and the pressing plate 7 is in transition fit with the inner wall of the sliding groove 8, so that the medical adhesive tape and the pressing plate 7 are fixed at the same time, the structure is simple, and the fixation of the adhesive tape can be rapidly completed; during specific use, draw out partial medical sticky tape from via hole 6 as required earlier, then reuse compresses tightly according to pressing the clamp plate 7, takes a blood sample operation again at last, avoids venous blood taking needle 1 to pierce the blood sampling and draws out the sticky tape again and influence the blood sampling operation, causes too much painful sense for the blood sampling person simultaneously.
Further, as shown in fig. 3, the needle handle 4 includes a half-shaped needle handle a9 and a half-shaped needle handle b10, the half-shaped needle handle a9 is provided with a plurality of protrusions 12, and the half-shaped needle handle b10 is provided with a groove in transition fit with the protrusions 12. The detachable connection of the half-type needle handle a9 and the half-type needle handle b10 is completed through the transition fit of the plurality of protrusions 12 and the plurality of grooves, so that the needle handle 4 can be recycled, and meanwhile, after the adhesive tape is used up, the needle handle 4 can be detached to install a new adhesive tape, so that the integral disposal of the disposable blood taking needle is avoided, and the manufacturing cost of the disposable blood taking needle is reduced.
Further, as shown in fig. 4, an inner cavity 13 with an opening at one end is formed in the surface of the half-shaped needle handle a9, which is in contact with the half-shaped needle handle b10, the opening end of the inner cavity 13 is arranged away from the intravenous blood collection needle 1, a first rotating shaft 14 is rotatably arranged in the inner cavity 13 of the half-shaped needle handle a9, a second rotating shaft 15 is rotatably arranged in the inner cavity 13 of the half-shaped needle handle b10, medical tapes are wound on the first rotating shaft 14 and the second rotating shaft 15, a through hole 6 is formed in the half-shaped needle handle a9, the medical tapes on the first rotating shaft 14 penetrate through the through hole 6, and the tapes on the second rotating shaft 15 penetrate through the opening end of the inner cavity 13. The semi-shaped needle handle a9 and the semi-shaped needle handle b10 both comprise an arc section and an installation section, the arc sections of the semi-shaped needle handle a9 and the semi-shaped needle handle b10 form a circular ring sleeved on the venous blood collection needle 1, so that the needle handle 4 can be detachably installed on the needle tube 4, and the installation section is used for installing a medical adhesive tape; when the medical adhesive tape is mounted, the half-type needle handle a9 is separated from the half-type needle handle b10, the protective paper at one end of the adhesive tape is torn off, the adhesive tape is adhered to the first rotating shaft 14 or the second rotating shaft 15, then the first rotating shaft 14 or the second rotating shaft 15 is rotated to enable the adhesive tape to be wound on the first rotating shaft 14 or the second rotating shaft 15, and then the other end of the adhesive tape is adhered to the opening of the inner cavity 13 or the through hole 6, so that the adhesive tape is convenient to pull when the adhesive tape is used, the adhesive tape is pulled out through the rotation of the first rotating shaft 14 or the second rotating shaft 15 to fix the venous blood collection needle 1, and the adhesive tapes pulled out from the through hole 6 and the inner cavity 13 respectively fix the two sides of the venous blood collection needle 1, and the fixing effect of the venous blood collection needle 1 is improved; it is worth noting that one end of the first rotating shaft 14 and one end of the second rotating shaft 15 are provided with flat openings or plum blossom openings, so that a screwdriver can be used for rotating the first rotating shaft 14 and the second rotating shaft 15 when the adhesive tape is installed, the adhesive tape is installed quickly, meanwhile, the adhesive tape on the second rotating shaft 15 is pulled out from the inner cavity 13, one side of the needle handle 4 can be attached to skin, blood sampling operation is prevented from being influenced by introduction of medical adhesive tapes, and discomfort to blood samplers is avoided.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. A novel disposable venous blood taking needle comprises a venous blood taking needle (1), a blood taking connecting pipe (2) and a bottle stopper puncture needle (3), the blood sampling connecting pipe (2) is communicated with the vein blood sampling needle (1) and the bottle stopper puncture needle (3), it is characterized in that the venous blood taking needle (1) and/or the blood taking connecting pipe (2) are/is provided with a fixing part, the fixing piece is used for fixing the vein blood taking needle (1) at a blood taking part or near the blood taking part, the venous blood taking needle (1) comprises a needle handle (4), the fixing piece is arranged on the needle handle (4), the fixing piece is arranged on one side of the needle handle (4) which is far away from the human body, the needle handle (4) is provided with an installation cavity (5), the fixing piece is arranged in the mounting cavity (5), and a through hole (6) for the fixing piece to extend out is formed in one side, deviating from the human body, of the needle handle (4).
2. A disposable intravenous blood collection needle according to claim 1, wherein the fixing member is a medical tape.
3. A disposable venous blood collection needle according to claim 2, characterised in that the side of the needle handle (4) facing away from the body is provided with a glue fixation which secures the pulled out medical tape.
4. The disposable intravenous blood collection needle according to claim 3, wherein the glue fixing member comprises a pressing plate (7), a sliding groove (8) is formed in the needle handle (4), the through hole (6) is located in the sliding groove (8), the pressing plate (7) is arranged in the sliding groove (8), one end of the pressing plate (7) is rotatably connected with the needle handle (4), and the other end of the pressing plate is in contact with the inner wall of the sliding groove (8).
5. A disposable intravenous blood collection needle according to claim 4, characterized in that the through hole (6) is located on the rotation path of the pressing plate (7), and the pressing plate (7) presses the medical tape in the slide groove (8) and is in transition fit with the inner wall of the slide groove (8) through the medical tape.
6. The disposable intravenous blood collection needle according to claim 2, wherein the needle handle (4) comprises a half-shaped needle handle a (9) and a half-shaped needle handle b (10), a plurality of bulges (12) are arranged on the half-shaped needle handle a (9), and a groove which is in transition fit with the bulges (12) is arranged on the half-shaped needle handle b (10).
7. The disposable intravenous blood collection needle according to claim 6, wherein an inner cavity (13) with an open end is formed on the surface of the semi-needle handle a (9) contacting with the semi-needle handle b (10), the open end of the inner cavity (13) is far away from the intravenous blood collection needle (1), a first rotating shaft (14) is rotatably arranged in the inner cavity (13) of the semi-needle handle a (9), a second rotating shaft (15) is rotatably arranged in the inner cavity (13) of the semi-needle handle b (10), and the medical adhesive tape is wound on the first rotating shaft (14) and the second rotating shaft (15).
8. A disposable intravenous blood collection needle according to claim 7, characterized in that the through hole (6) opens on the half-shaped needle shaft a (9), the medical tape on the first rotation shaft (14) passes through the through hole (6), and the tape on the second rotation shaft (15) passes through the open end of the lumen (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236673.7U CN215687884U (en) | 2020-12-29 | 2020-12-29 | Novel disposable venous blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236673.7U CN215687884U (en) | 2020-12-29 | 2020-12-29 | Novel disposable venous blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215687884U true CN215687884U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023236673.7U Active CN215687884U (en) | 2020-12-29 | 2020-12-29 | Novel disposable venous blood taking needle |
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|---|---|
| CN (1) | CN215687884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350221A (en) * | 2023-04-21 | 2023-06-30 | 南方医科大学南方医院 | Blood taking needle capable of preventing needle from being punctured |
-
2020
- 2020-12-29 CN CN202023236673.7U patent/CN215687884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350221A (en) * | 2023-04-21 | 2023-06-30 | 南方医科大学南方医院 | Blood taking needle capable of preventing needle from being punctured |
| CN116350221B (en) * | 2023-04-21 | 2024-03-29 | 南方医科大学南方医院 | Blood taking needle capable of preventing needle from being punctured |
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