CN217286738U - Safety transfusion port needle - Google Patents
Safety transfusion port needle Download PDFInfo
- Publication number
- CN217286738U CN217286738U CN202220261516.1U CN202220261516U CN217286738U CN 217286738 U CN217286738 U CN 217286738U CN 202220261516 U CN202220261516 U CN 202220261516U CN 217286738 U CN217286738 U CN 217286738U
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- China
- Prior art keywords
- needle
- shell
- syringe needle
- elastic rod
- infusion port
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Abstract
The utility model provides a safe infusion port needle, which comprises a port needle body, a needle head and a bending part, wherein the needle head is provided with a needle head; prevent acupuncture unit, it includes the shell, and the shell cover is located on the syringe needle, and the shell can be followed syringe needle axial motion, and the shell embeds has the elastic rod and fixes holding ring and the fixed block at the elastic rod both ends, and the holding ring can overlap and locate on the syringe needle, and elastic rod one side has set firmly the lock plate, and when the holding ring cover was established on the syringe needle, the elastic rod had elasticity potential energy, when holding ring and syringe needle separation, lock plate chucking syringe needle. The utility model discloses a prevent the acupuncture device to set up the mode of fixed block and lock plate in preventing the acupuncture device, at the process of pulling out the needle, move to separate with the holding ring when the syringe needle, then the elastic potential energy release of elastic rod drives the lock plate and blocks the syringe needle lateral wall, prevents that the pointed end of syringe needle from extracting and preventing the acupuncture unit, utilizes the shell of preventing the acupuncture unit, wraps up the needle point, prevents that the needle point from stabbing the accident.
Description
Technical Field
The utility model belongs to the field of medical supplies, especially, relate to safe type infusion port needle.
Background
The infusion port is the closed infusion set of implanting the human body completely, specific saying so, need implant the patient subcutaneous with the infusion port seat earlier, and make port seat and vein establish the route through the hose, at the infusion in-process, the glued membrane of infusion port needle puncture patient skin and port seat, to the interior input liquid medicine of infusion port, at the in-process of pulling out the needle, because the glued membrane of port seat tightly wraps up the port needle, it needs to make great power to lead to the nurse when outwards pulling out the infusion port needle, and in the twinkling of an eye of pulling out the port needle, the resistance disappears, the nurse knows easily that will prick the needle back, the finger that leads to fixed port seat is pricked by the needle, cause blood infection easily, there is higher potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing safe type infusion port needle to prevent that the nurse from hindering the finger in the process of pulling out the needle.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a safety transfusion port needle comprises
The port needle body comprises a needle head and a bent part;
prevent acupuncture unit, it includes the shell, and the shell cover is located on the syringe needle, and the shell can be followed syringe needle axial motion, and the shell embeds has fixed block, holding ring and elastic rod, and fixed block and holding ring respectively with the elastic rod rigid coupling, the fixed block sets firmly on the inner wall of shell, and the holding ring can overlap and locate on the syringe needle, and the elastic rod respectively with fixed block and holding ring rigid coupling, elastic rod one side has set firmly the lock plate, and when the holding ring cover was established on the syringe needle, the elastic rod has elastic potential energy, and when the holding ring separated with the syringe needle, the elastic rod released elastic potential energy to drive lock plate chucking syringe needle.
Furthermore, this transfusion harbor needle still includes the stationary blade, the shell outwards extends along the circumference outwards and connects the limit, it has the connection blind hole to open on the stationary blade, connect the blind hole cover and establish on connecting the edge, the syringe needle passes the hole bottom of connecting the blind hole.
Furthermore, the lower surface of the fixing piece is coated with an adhesive film.
Furthermore, the top end of the connecting hole extends inwards to form a limiting edge, and the connecting edge is arranged between the limiting edge and the bottom of the connecting blind hole.
Furthermore, the hole bottom of connecting the blind hole is opened has the needle hole of crossing, and when the syringe needle passed the needle hole, crossed the needle hole and can exert pressure to the syringe needle lateral wall, and the syringe needle can slide along the syringe needle axial in crossing the needle hole simultaneously.
Furthermore, two locking pieces are arranged in the elastic rod, the locking pieces are obliquely arranged, and the locking pieces are lower towards one side of the needle head than the locking pieces far away from one side of the needle head.
Furthermore, the locking piece is opened on one side close to the needle head and is embraced the notch, the needle head can be blocked in and embrace the notch.
Further, the edge of the holding notch is coated with a rubber strip.
Furthermore, the retaining ring is kept away from elastic rod one side and outwards extends the separation blade, and when the retaining ring and syringe needle after the separation, the separation blade can block the hole that the shell was used for passing the syringe needle.
Furthermore, the transfusion port needle further comprises a hose, one end of the hose is communicated with the bent part, and the other end of the hose is connected with two passage connectors in parallel.
Furthermore, a liquid stopping card is arranged on the hose.
Compared with the prior art, safe type infusion port needle have following advantage:
the utility model adopts the mode that the needle head passes through the acupuncture-preventing device and the fixed block and the locking plate are arranged in the acupuncture-preventing device, so that when the needle head is pulled out, when the needle head moves to be separated from the positioning ring, the elastic potential energy of the elastic rod is released to drive the locking plate to clamp the side wall of the needle head, the sharp end of the needle head is prevented from pulling out the acupuncture-preventing unit, and the needle point is wrapped by utilizing the shell of the acupuncture-preventing unit to prevent needle point puncture accidents;
when the fixing sheet is adopted for puncture, the puncture-preventing unit is fixed on the skin of a patient, and the puncture-preventing unit and the needle head are prevented from moving synchronously in the process of pulling out the needle;
the locking piece is obliquely arranged, so that the needle head can be clamped when the locking piece is in contact with the needle head, and the needle head is prevented from being pulled out of the shell of the anti-acupuncture unit.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
FIG. 1 is a schematic view of the overall structure of an infusion port needle;
FIG. 2 is a schematic view of a structure of the fixed tray cooperating with the anti-needle-punching unit;
FIG. 3 is an internal cross-sectional view of the fitting structure of the fixing plate and the anti-needling unit;
fig. 4 is a perspective view of the internal structure of the anti-needle-prick unit.
Description of reference numerals:
1-port needle body; 11-a needle head; 12-a bending part; 13-a needle wing; 2-a puncture-proof unit; 21-a housing; 211-a cover; 212-a housing body; 213-connecting edge; 22-fixing blocks; 23-a resilient lever; 24-a connecting rod; 25-a locking tab; 251-clasping the notch; 26-a positioning ring; 27-a baffle plate; 3, fixing a sheet; 31-connecting blind holes; 32-a limit edge; 33-pinhole crossing; 4-a hose; 5-a pathway junction; 6-liquid stopping card.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The safe infusion port needle comprises a port needle body 1, wherein the port needle body 1 comprises a needle head 11 and a bent part 12, the needle head 11 is connected with an anti-needling unit, the anti-needling unit can move along the length direction of the needle head 11 when external force is applied, the bent part 12 is communicated with a hose 4, and the tail end of the hose 4 is communicated with two passage joints 5, so that double channels can be established on an infusion port in the infusion process;
the anti-acupuncture unit comprises a shell 21, the shell 21 is sleeved on the needle 11, the shell 21 can axially move along the needle 11, a fixing block 22, a positioning ring 26 and an elastic rod 23 are arranged in the shell 21, the fixing block and the positioning ring 26 are respectively fixedly connected with the elastic rod 23, the fixing block 22 is fixedly arranged on the inner wall of the shell 21, the positioning ring 26 can be sleeved on the needle 11, the elastic rod 23 is fixedly connected with the fixing block 22 and the positioning ring 26, a locking sheet 25 is fixedly arranged on one side of the elastic rod 23, the elastic rod 23 has elastic potential energy when the positioning ring 26 is sleeved on the needle 11, the elastic rod 23 releases the elastic potential energy and drives the locking sheet 25 to clamp the needle 11 when the positioning ring 26 is separated from the needle 11, specifically, the shell 21 comprises a shell body 212 and a cover body 211 capable of being buckled on the shell body 212, the needle 11 penetrates through the bottom of the shell body 212 and the center of the cover body 211, and the fixing block 22 is fixedly arranged on the cover body 211, the needle 11 passes through the fixed block 22 to prevent the fixed block 22 from displacing, one end of the elastic rod 23 is fixedly connected with one fixed side of the fixed block 22, the other end is fixedly connected with one side of the positioning ring 26, the positioning ring 26 is sleeved on the needle 11, the inner hole edge of the positioning ring 26 is chamfered, the positioning ring 26 is prevented from preventing the needle 11 from moving relative to the anti-needling unit, the middle part of the elastic rod 23 is connected with two locking pieces 25, the elastic rod 23 is connected with the outer sides of the locking pieces 25 through two connecting rods 24, the needle 11 is arranged between the two connecting rods 24, when the needle 11 moves to the inside of the shell 21, the positioning ring 26 is separated from the needle 11, the elastic rod 23 releases elastic potential energy, the locking pieces 25 move towards the needle 11 until the locking pieces 25 clamp the needle 11, specifically, the locking pieces 25 are obliquely arranged, and the height of the locking pieces 25 towards one side of the needle 11 is lower than the height away from one side of the needle 11, the locking piece 25 is provided with a holding notch 251 on one side close to the needle 11, the needle 11 can be clamped into the holding notch 251, the edge of the holding notch 251 is coated with a rubber strip (not shown in the figure), and the needle 11 is fixed in the shell 21 through the friction force of the rubber strip and the inclined locking piece 25.
The transfusion harbor needle of the utility model also comprises a fixing plate 3, a connecting edge 213 extends outwards along the periphery of the shell 21, a connecting blind hole 31 is opened on the fixing plate 3, the connecting blind hole 31 is sleeved on the connecting edge 213, the needle 11 passes through the hole bottom of the connecting blind hole 31, concretely, the hole bottom of the connecting blind hole 31 is opened with a needle hole 33, when the needle 11 passes through the needle hole 33, the needle hole 33 can apply pressure to the side wall of the needle 11 and the fixing plate is made of rubber, the needle 11 can slide axially along the needle 11 in the needle hole 33 while applying pressure to the side wall of the needle 11, thereby not only ensuring the relative movement of the needle puncture preventing unit and the needle 11, but also preventing the slippage of the needle puncture preventing unit during transportation, a limiting edge 32 extends inwards from the top end of the connecting hole, the connecting edge 213 is arranged between the limiting edge 32 and the hole bottom of the connecting blind hole 31, prevent that acupuncture unit and stationary blade 3 from separating, 3 lower surface coatings of stationary blade have the glued membrane, when the infusion, accomplish the puncture work back of syringe needle 11, can paste stationary blade 3 on patient's skin, prevent to pull out the needle in-process, syringe needle 11 drives prevents that unit 2 of puncturing moves.
The retaining ring 26 is far away from one side of the elastic rod 23 and outwards extends to form a blocking piece 27, after the retaining ring 26 is separated from the needle 11, the blocking piece 27 can block a hole of the shell 21 for penetrating the needle 11, so that the needle tip is prevented from extending out of the shell 21 in the recovery process and stabbing medical waste disposal personnel, the whole formed by the retaining ring 26 and the blocking piece 27 is arc-shaped, and the blocking piece 27 is prevented from blocking the release of the elastic potential energy of the elastic rod 23.
The transfusion port needle further comprises a hose 4, one end of the hose is communicated with the bent part 12, the other end of the hose is connected with two passage connectors in parallel, a liquid stopping card 6 is arranged on the hose 4, and a needle wing 13 is fixedly arranged on the bent part 12 of the port needle body 1.
Safety type infusion port needle, pulling out the needle in-process, earlier outwards extract the syringe needle, extract patient's skin until the syringe needle, get into the shell of preventing acupuncture unit, continue to pull out the needle, make holding ring and syringe needle separation, elastic rod release elastic potential energy, make the separation blade block the hole that is used for passing the syringe needle on the shell, elastic rod pulling lock spacer chucking syringe needle simultaneously, prevent that the syringe needle from being pulled out the shell, when the nurse discovers that the syringe needle extracts the resistance too big or prevent sending the abnormal sound in the acupuncture unit, then can judge syringe needle and patient's skin separation, and in the most advanced entering shell of syringe needle, the nurse can take off the stationary blade, accomplish and pull out the needle step.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Safe type infusion port needle, its characterized in that: comprises that
The port needle body comprises a needle head and a bending part;
prevent acupuncture unit, it includes the shell, and the shell cover is located on the syringe needle, and the shell can be followed syringe needle axial motion, and the shell embeds has fixed block, holding ring and elastic rod, and fixed block and holding ring respectively with the elastic rod rigid coupling, the fixed block sets firmly on the inner wall of shell, and the holding ring can overlap and locate on the syringe needle, and the elastic rod respectively with fixed block and holding ring rigid coupling, elastic rod one side has set firmly the lock plate, and when the holding ring cover was established on the syringe needle, the elastic rod has elastic potential energy, and when the holding ring separated with the syringe needle, the elastic rod released elastic potential energy to drive lock plate chucking syringe needle.
2. The safety type infusion port needle according to claim 1, wherein: the connecting device is characterized by further comprising a fixing plate, wherein the shell extends outwards along the periphery to form a connecting edge, a connecting blind hole is formed in the fixing plate, the connecting blind hole is sleeved on the connecting edge, and the needle head penetrates through the bottom of the connecting blind hole.
3. The safety type infusion port needle according to claim 2, wherein: the lower surface of the fixing piece is coated with a glue film.
4. The safety type infusion port needle according to claim 2, wherein: the top end of the connecting hole extends inwards to form a limiting edge, and the connecting edge is arranged between the limiting edge and the bottom of the connecting blind hole.
5. The safety type infusion port needle according to claim 4, wherein: the bottom of the hole connected with the blind hole is provided with a needle passing hole, when the needle passes through the needle passing hole, the needle passing hole can apply pressure to the side wall of the needle, and meanwhile, the needle can axially slide along the needle in the needle passing hole.
6. The safety type infusion port needle according to claim 1, wherein: be equipped with two lock tablets in the elastic rod, just the lock tablet slope sets up, and the lock tablet highly is less than the height of keeping away from syringe needle one side towards syringe needle one side.
7. The safety type infusion port needle according to claim 6, wherein: one side of the locking piece, which is close to the needle head, is provided with a holding notch, and the needle head can be clamped into the holding notch.
8. The safety type infusion port needle according to claim 7, wherein: the edge of the holding notch is coated with a rubber strip.
9. The safety type infusion port needle according to claim 1, wherein: the retaining ring is kept away from elastic rod one side and outwards extends the separation blade, and when the retaining ring and syringe needle separation back, the separation blade can block the hole that the shell was used for passing the syringe needle.
10. The safety type infusion port needle according to claim 1, wherein: the flexible pipe is characterized by further comprising a flexible pipe, wherein one end of the flexible pipe is communicated with the bent part, and the other end of the flexible pipe is connected with two passage connectors in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220261516.1U CN217286738U (en) | 2022-02-09 | 2022-02-09 | Safety transfusion port needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220261516.1U CN217286738U (en) | 2022-02-09 | 2022-02-09 | Safety transfusion port needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217286738U true CN217286738U (en) | 2022-08-26 |
Family
ID=82926151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220261516.1U Active CN217286738U (en) | 2022-02-09 | 2022-02-09 | Safety transfusion port needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217286738U (en) |
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2022
- 2022-02-09 CN CN202220261516.1U patent/CN217286738U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |