CN213491152U - Safety remaining needle - Google Patents
Safety remaining needle Download PDFInfo
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- CN213491152U CN213491152U CN202021993856.0U CN202021993856U CN213491152U CN 213491152 U CN213491152 U CN 213491152U CN 202021993856 U CN202021993856 U CN 202021993856U CN 213491152 U CN213491152 U CN 213491152U
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- needle
- needling
- acupuncture
- sliding body
- prick
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Abstract
The utility model provides a pair of safe remaining needle belongs to medical instrument technical field, include: a needle-prick prevention needle base; the anti-needling catheter seat is connected with the anti-needling sliding body in a plugging and unplugging manner at one end facing the anti-needling needle seat; the anti-needling steel needle has one end connected to the anti-needling needle seat and the other end penetrating through the anti-needling sliding body and suitable for penetrating out of the liquid outlet of the anti-needling catheter seat, and a bulge part is arranged on the outer wall of the anti-needling steel needle far away from one end of the anti-needling needle seat; the needle-prick preventing sliding body is connected with a needle-prick preventing rubber pad which blocks a moving path of the needle-prick preventing steel needle; the anti-needling sliding body is internally connected with an anti-falling gasket, the anti-falling gasket is provided with a first through hole suitable for preventing a needling steel needle from penetrating, and the inner diameter of the first through hole is smaller than the outer diameter of the boss. The utility model provides a resilience of stifled needle point cushion and the rigidity of anticreep gasket can obtain alone the accuse, can guarantee that the needle point of preventing the acupuncture steel needle is restricted between stifled needle point cushion and anticreep gasket, avoids stabbing medical personnel, and is safer.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to needle is kept somewhere to safety.
Background
The use of the indwelling needle can reduce the pain of the sick children caused by repeated venipuncture and the fear of injection, lighten the anxiety of parents, facilitate clinical medication, help the critical patients to take medicine for emergency treatment, lighten the workload of nurses and reduce the pain of the sick children, thereby the intravenous indwelling needle is widely applied clinically.
In clinical treatment, a catheter and a steel needle are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the steel needle is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out infusion treatment; in the process of withdrawing the steel needle, the risk that the needle tip stabs medical care personnel easily occurs.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the steel needle of the indwelling needle in the prior art easily stabs the medical care personnel in the withdrawing process, thereby providing a safe indwelling needle.
In order to solve the technical problem, the utility model provides a pair of needle is kept somewhere to safety, include:
a needle-prick prevention needle base;
the anti-needling catheter seat is connected with the anti-needling sliding body in a plugging and unplugging manner at one end facing the anti-needling needle seat;
the anti-needling steel needle is connected with the anti-needling needle seat at one end, penetrates through the anti-needling sliding body at the other end and is suitable for penetrating out of the liquid outlet of the anti-needling catheter seat, and a bulge part is arranged on the outer wall of the anti-needling steel needle far away from one end of the anti-needling needle seat;
the needle-prick preventing sliding body is connected with a needle-prick preventing rubber pad which blocks a moving path of the needle-prick preventing steel needle; the anti-needling sliding body is internally connected with an anti-falling gasket, the anti-falling gasket is provided with a first through hole for the anti-needling steel needle to pass through, and the inner diameter of the first through hole is smaller than the outer diameter of the boss.
Preferably, the needle plugging point rubber pad comprises:
the connecting pad is of an L-shaped structure and is provided with a first base plate and a second base plate which are in fit connection with the anti-needling slip body, and the first base plate is provided with a second through hole which is suitable for the anti-needling steel needle to penetrate through;
and the blocking pad is connected with the first base plate and blocks the second through hole.
Preferably, the method further comprises the following steps:
the positioning blocks are provided with a plurality of positioning blocks and are respectively arranged on one end face, suitable for being attached to the second base plate, of the anti-needling sliding body;
and the positioning holes are in one-to-one correspondence with the positioning blocks and are respectively arranged on the second base plate.
Preferably, the method further comprises the following steps:
the positioning blocks are respectively arranged on one side, facing the needle-prick preventing sliding body, of the second base plate;
and the positioning holes are in one-to-one correspondence with the positioning blocks and are respectively arranged on one end face, suitable for being attached to the second base plate, of the anti-needling sliding body.
Preferably, one end of the anti-acupuncture catheter base, which faces the anti-acupuncture sliding body, is provided with a clamping cavity, and two sides of the first base plate are respectively extended with a plugging pad suitable for being connected with the clamping cavity in a plugging manner.
Preferably, the anti-needle-prick slider is provided with a groove inserted with the anti-drop gasket, and the groove vertically penetrates through the first through hole.
Preferably, the anti-acupuncture needle seat is internally provided with a through containing cavity, and the anti-acupuncture sliding body is suitable for extending into the containing cavity and abutting against the anti-acupuncture needle seat.
Preferably, the anti-needling steel needle is connected in the accommodating cavity; further comprising:
and the anti-leakage cover cap is covered on the anti-acupuncture needle base to deviate from the anti-acupuncture catheter base and is used for plugging the non-acupuncture tip of the anti-acupuncture steel needle.
The utility model discloses technical scheme has following advantage:
1. the safety indwelling needle provided by the utility model has the advantages that the needle puncture preventing sliding body, the needle plugging point rubber pad and the anti-drop gasket are of a split assembly structure, and the resilience of the needle plugging point rubber pad and the rigidity of the anti-drop gasket can be independently controlled; when the anti-needling steel needle is withdrawn from the needle point blocking rubber pad, the needle point blocking rubber pad can rebound rapidly to block the needle point, so that the needle point is prevented from piercing medical staff; when the bulge on the anti-needling steel needle is withdrawn to the anti-drop gasket, the anti-drop gasket with higher rigidity can prevent the anti-needling steel needle from withdrawing from the first through hole; resilience and rigidity are guaranteed very hardly simultaneously to the structure of integral type, and above-mentioned components of a whole that can function independently package assembly can guarantee that the needle point of preventing the acupuncture steel needle is restricted between stifled needle point cushion and anticreep gasket, avoids stabbing medical personnel, and is safer.
2. The utility model provides a needle is kept somewhere to safe type, the setting of connection pad has increased stifled needle point cushion and has prevented the area of being connected of the smooth body of acupuncture, makes stifled needle point cushion and the connection of preventing the smooth body of acupuncture more firm.
3. The utility model provides a needle is kept somewhere to safe type, the setting of locating piece and locating hole, the installation location of the smooth body of stifled needle point cushion and anti-acupuncture of being convenient for to can strengthen the holding power between the two.
4. The utility model provides a needle is kept somewhere to safe type, the plug pad with prevent acupuncture pipe seat cooperation plug, area of contact is less, when preventing that acupuncture steel needle withdraws the back that targets in place for the plug pad easily breaks away from prevents acupuncture pipe seat.
5. The utility model provides a needle is kept somewhere to safe type, and the anticreep gasket is connected in the recess of preventing the acupuncture gliding mass for the connection of anticreep gasket is firm, avoids breaking away from the anti-acupuncture gliding mass.
6. The utility model provides a needle is kept somewhere to safe type, leak protection cap is connected on preventing the acupuncture needle file to carry out the shutoff to the tip of preventing the acupuncture steel needle, prevent that blood reflux from preventing the acupuncture steel needle from causing the pollution.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the safety indwelling needle provided in the present invention.
Fig. 2 is a front sectional view of the anti-needlestick needle holder.
Fig. 3 is a front cross-sectional view of a needle stick resistant catheter hub.
Fig. 4 is a front sectional view of fig. 1.
Fig. 5 is a schematic perspective view of the anti-needle-stick slider.
Fig. 6 is a schematic perspective view of the needle point blocking rubber pad.
FIG. 7 is a schematic view showing the connection relationship between the needle-stick preventing element, the needle-tip blocking rubber pad and the anti-slip spacer.
Fig. 8 is a schematic perspective view of the safety type indwelling needle in a state where the anti-needle-punching steel needle is withdrawn in place.
Fig. 9 is a front sectional view of fig. 8.
Description of reference numerals:
1. a needle-prick prevention needle base; 2. a needle stick prevention catheter hub; 3. the steel needle is prevented from being punctured; 4. a needle stick prevention slider; 5. an operating handle; 6. a first abutment stage; 7. a second abutment stage; 8. a third abutment stage; 9. a liquid inlet; 10. a liquid outlet; 11. a liquid storage cavity; 12. a clamping cavity; 13. a leakage-proof cap; 14. a needle plugging point rubber pad; 15. an anti-drop gasket; 16. a boss portion; 17. a third through hole; 18. a first section; 19. a second section; 20. positioning blocks; 21. a groove; 22. a barrier pad; 23. a first backing plate; 24. a second backing plate; 25. positioning holes; 26. a second through hole; 27. plugging and unplugging the pad; 28. a first through hole; 29. and (4) isolating the plug.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
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 in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The safety type indwelling needle provided by the present embodiment, as shown in fig. 1, includes: the anti-needling needle comprises an anti-needling needle seat 1, an anti-needling catheter seat 2, an anti-needling steel needle 3 and an anti-needling sliding body 4 positioned between the anti-needling needle seat 1 and the anti-needling catheter seat 2, wherein a bulge part 16 is arranged on the outer wall of one end of the anti-needling steel needle 3, which is far away from the anti-needling needle seat 1.
As shown in fig. 2, an operating handle 5 is arranged on the outer wall of the anti-acupuncture needle base 1, and a through accommodating cavity is formed inside the anti-acupuncture needle base; the accommodating cavity is of a step-shaped structure and forms a first butt joint platform 6 and a second butt joint platform 7; and a third butting platform 8 is arranged on the outer wall of one end of the anti-needling needle base 1, which deviates from one end of the anti-needling catheter base 2.
As shown in fig. 3, the anti-needle-prick catheter holder 2 has a liquid inlet 9, a liquid outlet 10, a liquid storage cavity 11 and a clamping cavity 12, wherein the liquid outlet 10 is coaxially communicated with the liquid storage cavity 11; the liquid inlet 9 is arranged on the outer wall of the anti-needling catheter base 2 and is communicated with the liquid storage cavity 11 and the liquid outlet 10, and the liquid outlet 10 is suitable for being communicated with a catheter.
As shown in fig. 4, the anti-needle-prick steel needle 3 is connected in the accommodating cavity of the anti-needle-prick needle seat 1, and the non-needle tip of the anti-needle-prick steel needle 3 is flush with one end of the anti-needle-prick needle seat 1, which is far away from the anti-needle-prick catheter seat 2; the anti-leakage cap 13 is connected to the anti-acupuncture needle base 1, and the third abutting table 8 abuts against the anti-acupuncture needle base; the non-needle tip of the anti-needling steel needle 3 is abutted against the inner top wall of the anti-leakage cover cap 13, and the non-needle tip of the anti-needling steel needle 3 is blocked by dispensing connection and realization. The liquid storage cavity 11 of the anti-needling catheter holder 2 is sealed through the isolating plug 29, and one end of the anti-needling catheter holder 2, which is far away from the liquid outlet 10, is embedded into the accommodating cavity of the anti-needling needle holder 1 and is abutted against the first abutting table 6. The anti-acupuncture sliding body 4 is connected between the anti-acupuncture catheter base 2 and the anti-acupuncture needle base 1, one end of the anti-acupuncture sliding body 4 is abutted against the second abutting table 7, and the other end of the anti-acupuncture sliding body is inserted into the clamping cavity 12 of the anti-acupuncture catheter base 2; the anti-needling sliding body 4 is connected with a needle plugging point rubber pad 14 and an anti-falling gasket 15. The needle tip of the anti-needling steel needle 3 penetrates through the anti-needling sliding body 4 and extends out of the liquid outlet 10.
As shown in fig. 5, the interior of the anti-needle-prick sliding body 4 is provided with a third through hole 17 which is suitable for being connected with the anti-needle-prick steel needle 3 in a sliding way; the outer wall of the anti-needle-prick sliding body 4 is provided with a first tangent plane 18 and a second tangent plane 19, the first tangent plane 18 is symmetrically provided with four positioning blocks 20, and the third through hole 17 vertically penetrates through the second tangent plane 19; the anti-needling sliding body 4 is provided with a groove 21, and the groove 21 vertically penetrates through the third through hole 17.
As shown in fig. 6, the needle plugging point rubber pad 14 has an L-shaped connection pad and a blocking pad 22, the connection pad includes a first pad plate 23 and a second pad plate 24 which are vertically arranged, and the first pad plate 23 has positioning holes 25 corresponding to the positioning blocks 20 one by one; a second through hole 26 is formed in the center of the second backing plate 24, and plugging pads 27 vertically extend from two sides of the second backing plate 24 respectively; the vertical distance between the two plugging pads 27 is greater than the inner diameter of the clamping cavity 12, and the plugging pads 27 extend into the clamping cavity 12 and are elastically plugged into and pulled out of the anti-acupuncture catheter holder 2; the blocking pad 22 is connected to the second pad plate 24 and blocks the second through hole 26.
As shown in fig. 7, the first backing plate 23 is attached to the first cut surface 18, and the positioning blocks 20 are embedded in the positioning holes 25 in a one-to-one correspondence manner; the second base plate 24 is attached to the second tangent plane 19, and the second through hole 26 is coaxially communicated with the third through hole 17; an anti-falling gasket 15 is inserted in the groove 21 of the anti-needling sliding body 4, a first through hole 28 is formed in the anti-falling gasket 15, the first through hole 28 is coaxially communicated with the second through hole 26 and the third through hole 17, and the inner diameter of the first through hole 28 is smaller than the outer diameter of the boss 16.
As shown in fig. 8 and 9, after the needle-prick preventing steel needle 3 and the catheter are pushed into the blood vessel, the needle tip of the needle-prick preventing steel needle 3 is withdrawn between the blocking pad 22 and the anti-slip pad 15; after the anti-acupuncture steel needle 3 is withdrawn to the right position, the plugging pad 27 is separated from the clamping cavity 12, and the withdrawal operation is finished.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. A safety type indwelling needle, comprising:
a needle-prick prevention needle base (1);
the anti-acupuncture catheter seat (2) is connected with the anti-acupuncture sliding body (4) in a plugging and pulling manner towards one end of the anti-acupuncture needle seat (1);
one end of the anti-needling steel needle (3) is connected to the anti-needling needle seat (1), the other end of the anti-needling steel needle passes through the anti-needling slip body (4) and is suitable for penetrating out of a liquid outlet (10) of the anti-needling catheter seat (2), and a bulge part (16) is arranged on the outer wall of one end, far away from the anti-needling needle seat (1), of the anti-needling steel needle (3);
the anti-acupuncture sliding body (4) is connected with a needle plugging point rubber pad (14), and the needle plugging point rubber pad (14) blocks a moving path of the anti-acupuncture steel needle (3); the anti-needling sliding body (4) is internally connected with an anti-separation gasket (15), the anti-separation gasket (15) is provided with a first through hole (28) suitable for the anti-needling steel needle (3) to pass through, and the inner diameter of the first through hole (28) is smaller than the outer diameter of the boss (16).
2. The safety type indwelling needle according to claim 1, wherein the needle blocking point cushion (14) comprises:
the connecting pad is of an L-shaped structure and is provided with a first pad plate (23) and a second pad plate (24) which are attached and connected with the anti-needling sliding body (4), and the first pad plate (23) is provided with a second through hole (26) which is suitable for the anti-needling steel needle (3) to pass through;
and the blocking pad (22) is connected to the first backing plate (23) and blocks the second through hole (26).
3. The safety type indwelling needle of claim 2, further comprising:
a plurality of positioning blocks (20) which are respectively arranged on one end face, suitable for being attached to the second base plate (24), of the anti-needle-prick sliding body (4);
and the positioning holes (25) are provided with a plurality of positioning blocks (20) which correspond to the positioning blocks one by one and are respectively arranged on the second base plate (24).
4. The safety type indwelling needle of claim 2, further comprising:
a plurality of positioning blocks (20) which are respectively arranged on one side of the second cushion plate (24) facing the anti-needle-prick sliding body (4);
and the positioning holes (25) are provided with a plurality of positioning blocks (20) which correspond to the positioning blocks one to one and are respectively arranged on one end face, suitable for being attached to the second base plate (24), of the anti-needling sliding body (4).
5. The safety indwelling needle according to claim 2, wherein the end of the anti-needle-stick catheter hub (2) facing the anti-needle-stick slider (4) has a snap-fit cavity (12), and two insertion pads (27) adapted to be inserted into and pulled out of the snap-fit cavity (12) extend from two sides of the first backing plate (23).
6. The safety type indwelling needle according to claim 1, wherein the needle-prick preventing body (4) is provided with a groove (21) inserted with the anti-drop gasket (15), and the groove (21) vertically penetrates through the first through hole (28).
7. The safety type indwelling needle according to any one of claims 1 to 6, wherein the needle-prick prevention hub (1) has a through-going receiving cavity inside, and the needle-prick prevention slider (4) is adapted to extend into the receiving cavity and abut against the needle-prick prevention hub (1).
8. The safety type indwelling needle according to claim 7, wherein the needle-prick prevention steel needle (3) is connected inside the containing cavity; further comprising:
and the anti-leakage cap (13) is covered on the anti-acupuncture needle base (1) to deviate from the anti-acupuncture catheter base (2) and is used for plugging the non-acupuncture tip of the anti-acupuncture steel needle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021993856.0U CN213491152U (en) | 2020-09-11 | 2020-09-11 | Safety remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021993856.0U CN213491152U (en) | 2020-09-11 | 2020-09-11 | Safety remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213491152U true CN213491152U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021993856.0U Active CN213491152U (en) | 2020-09-11 | 2020-09-11 | Safety remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213491152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288141A (en) * | 2021-06-28 | 2021-08-24 | 吉林大学第一医院 | Lancet device capable of separating a lancet |
-
2020
- 2020-09-11 CN CN202021993856.0U patent/CN213491152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288141A (en) * | 2021-06-28 | 2021-08-24 | 吉林大学第一医院 | Lancet device capable of separating a lancet |
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