CN209286381U - A kind of anti-needle of venous detaining needle stabs structure - Google Patents
A kind of anti-needle of venous detaining needle stabs structure Download PDFInfo
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- CN209286381U CN209286381U CN201821066230.8U CN201821066230U CN209286381U CN 209286381 U CN209286381 U CN 209286381U CN 201821066230 U CN201821066230 U CN 201821066230U CN 209286381 U CN209286381 U CN 209286381U
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- needle
- catheter block
- threeway catheter
- threeway
- turnover panel
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Abstract
It is disclosed by the utility model to belong to the field of medical instrument technology, the anti-needle of specially a kind of venous detaining needle stabs structure, including handle, steel needle, threeway catheter block and needle tubing, the handle is fixedly attached to the outer wall left end of steel needle, the left end of the needle tubing is plugged on the right side of threeway catheter block, the steel needle is plugged on the inner cavity of threeway catheter block, the two sides up and down of the threeway catheter block pass through connection pin assemblies and are connected with turnover panel, support spring is connected between the right side of the turnover panel and the outer wall of threeway catheter block, batching pig is embedded in the middle part of the inner cavity of the threeway catheter block, curved baffle is provided on the right side of the outer wall of the steel needle, protection by protective case to steel needle end, the injury to medical staff can be reduced；By the mating reaction of turnover panel and support spring, has the function of buffering, conveniently manually adjust.
Description
Technical field
The utility model relates to the field of medical instrument technology, the anti-needle of specially a kind of venous detaining needle stabs structure.
Background technique
Remaining needle is a kind of medical instrument for vein detaining needle for fluids infusion, clinical vein puncture is mainly used in, to sick body
It carries out medication, nutrition is provided, while can be to avoid injury of blood vessel caused by multiple puncture and the pain of mitigation patient, also favorably
In the manipulation strength for reducing nurse.
Such as China Patent Publication No. is that CN204246596U discloses a kind of preventing thrombosis venous detaining needle, preventing thrombosis vein
The side wall of remaining needle, including indwelling needle, indwelling hose, puncture needle and extension tube, indwelling needle is equipped with medical fluid input port, stays
The one end for setting needle stand is equipped with medical fluid delivery outlet, and the medical fluid delivery outlet of indwelling hose and indwelling needle connects, the needle point of puncture needle from
The other end of indwelling needle penetrates in indwelling needle, is pierced by through medical fluid delivery outlet from indwelling hose, further includes conduction hose, drainage
One end of item and fixture, the conduction hose is connect with medical fluid input port, and one end connection of the other end and extension tube, drainage strip is set
In conduction hose, fixture is clipped on conduction hose.Remaining needle remaining needle needs to exit steel needle after completing to puncture, and steel needle needle point is complete
Naked to expose outside, medical staff is accidentally easy to be wounded by stabbing.If patient is that can make with hepatitis B or AIDS patient
Hepatitis B or AIDS, which are infected, at medical staff threatens its life security to bring serious actual bodily harm.
Utility model content
The purpose of this utility model is to provide a kind of anti-needles of venous detaining needle to stab structure, to solve above-mentioned background skill
The remaining needle remaining needle proposed in art needs to exit steel needle after completing to puncture, steel needle needle point completely it is exposed outside, medical staff one
It is accidentally easy to be wounded by stabbing.If patient be with hepatitis B or AIDS patient, it will cause medical staff infect hepatitis B or
AIDS, thus the problem of bringing serious actual bodily harm, threatening its life security.
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-needle of venous detaining needle stabs knot
Structure, including handle, steel needle, threeway catheter block and needle tubing, the handle are fixedly attached to the outer wall left end of steel needle, the needle tubing
Left end is plugged on the right side of threeway catheter block, and the steel needle is plugged on the inner cavity of threeway catheter block, the threeway catheter block it is upper
Lower two sides pass through connection pin assemblies and are connected with turnover panel, are connected with branch between the right side of the turnover panel and the outer wall of threeway catheter block
Spring is supportted, batching pig is embedded in the middle part of the inner cavity of the threeway catheter block, is provided with curved baffle on the right side of the outer wall of the steel needle,
It is embedded with protective case on the left of the inner cavity of the threeway catheter block, the protective case includes left casing and right casing, the left casing
Front and back side between right casing is connected by connection sheet, the left end of turnover panel described in two groups is corresponding be connected to two groups of connection sheets it
Between.
Preferably, the inner cavity of the threeway catheter block is connected with two groups of limit stop rings, and two groups of limit stop rings are clamped respectively
In the two sides of batching pig.
Preferably, turnover panel described in two groups is mutually respectively connected with convex block depending on side wall left end, and convex block is connected to two groups of connection sheets
Between.
Preferably, the lateral length of the curved baffle and the length of connection sheet are identical.
Preferably, the internal diameter of the right casing and longitudinal height of curved baffle are identical, the internal diameter and steel of the left casing
The diameter of needle is identical.
Compared with prior art, the utility model has the beneficial effects that
1) by protection of the protective case to steel needle end, the injury to medical staff can be reduced；
2) mating reaction for passing through turnover panel and support spring, has the function of buffering, conveniently manually adjusts.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the cross-sectional view of the utility model Fig. 1；
Fig. 3 is the structural schematic diagram of the utility model batching pig；
Fig. 4 is the structural schematic diagram of the utility model protective case.
In figure: 1 handle, 2 steel needles, 3 threeway catheter blocks, 4 needle tubings, 5 turnover panels, 6 support springs, 7 batching pigs, 8 curved baffles,
9 protective cases, 91 left casings, 92 right casings, 93 connection sheets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of anti-needle of venous detaining needle stabs structure,
Including handle 1, steel needle 2, threeway catheter block 3 and needle tubing 4, handle 1 is fixedly attached to the outer wall left end of steel needle 2, the left end of needle tubing 4
It is plugged on the right side of threeway catheter block 3, steel needle 2 is plugged on the inner cavity of threeway catheter block 3, and the two sides up and down of threeway catheter block 3 are equal
It is connected with turnover panel 5 by connecting pin assemblies, is connected with support spring 6 between the right side of turnover panel 5 and the outer wall of threeway catheter block 3,
It is embedded with batching pig 7 in the middle part of the inner cavity of threeway catheter block 3, is provided with curved baffle 8, threeway catheter block 3 on the right side of the outer wall of steel needle 2
Inner cavity on the left of be embedded with protective case 9, protective case 9 includes left casing 91 and right casing 92, between left casing 91 and right casing 92
Front and back side pass through connection sheet 93 and connect, the left end correspondence of two groups of turnover panels 5 is connected between two groups of connection sheets 93.
Wherein, the inner cavity of threeway catheter block 3 is connected with two groups of limit stop rings, and two groups of limit stop rings are respectively engaged with isolation
Position restriction is played the role of to batching pig 7 in the two sides of plug 7, and two groups of turnover panels 5 are mutually respectively connected with convex block depending on side wall left end, and
Convex block is connected between two groups of connection sheets 93, and the lateral length of curved baffle 8 is identical as the length of connection sheet 93, right casing 92
Internal diameter is identical as longitudinal height of curved baffle 8, and the internal diameter of left casing 91 is identical as the diameter of steel needle 2, by diameter above it
Between relationship steel needle 2 can be limited, and do not influence its normal work.
Installation: the upside branch pipe(tube) of left casing 91, right casing 92,93 integrated injection molding of connection sheet, threeway catheter block 3 connects
Infusion connector pipe is connect, steel needle 2 is inserted into the inner cavity of threeway catheter block 3 in advance, protective case 9 is covered from the left side of steel needle 2 in steel needle 2
The inner cavity of threeway catheter block 3 is gone up and is moved to, two hands pinch the turnover panel 5 of two sides, so that the left end of turnover panel 5 lifts and by protective case
9 insertions, so that the left end of turnover panel 5 is connected in the slot between left casing 91 and right casing 92, by the left end of steel needle 2 and handle 1
It is spirally connected or is bonded by bonding agent；
It uses: needle tubing 4 being inserted into tendon and vessel, at the right end of the right end grafting threeway catheter block 3 of steel needle 2, to threeway conduit
Seat 3 is sealed with the junction of needle tubing 4, by adhesive tape that threeway catheter block 3 is fixed after indwelling, by steel needle 2 to Zola and band
Dynamic steel needle 2 moves to left, after curved baffle 8 is moved to the inner cavity of protective case 9, and the slot between left casing 91 and right casing 92
In, the height of curved baffle 8 is identical as the internal diameter of right casing 92, so that the left end support of turnover panel 5 be risen, turnover panel 5 is to protective case 9
The effect of limit is not had, so that steel needle 2 is pulled out protective case 9 by curved baffle 8, protective case 9 exists after pulling out in order to prevent
It is moved on steel needle 2, is bonded magnet ring in the right side wall of left casing 91, so that magnet ring and steel needle 2 adsorb, it can be by protective case 9
It is limited to the outer wall right end of steel needle 2.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of anti-needle of venous detaining needle stabs structure, including handle (1), steel needle (2), threeway catheter block (3) and needle tubing
(4), the handle (1) is fixedly attached to the outer wall left end of steel needle (2), and the left end of the needle tubing (4) is plugged on threeway catheter block
(3) right side, the steel needle (2) are plugged on the inner cavity of threeway catheter block (3), it is characterised in that: the threeway catheter block (3)
Upper and lower two sides pass through connection pin assemblies and are connected with turnover panel (5), the right side of the turnover panel (5) and the outer wall of threeway catheter block (3)
Between be connected with support spring (6), be embedded with batching pig (7) in the middle part of the inner cavity of the threeway catheter block (3), the steel needle (2)
Outer wall on the right side of be provided with curved baffle (8), be embedded with protective case (9), the guarantor on the left of the inner cavity of the threeway catheter block (3)
Sheath (9) includes left casing (91) and right casing (92), and the front and back side between the left casing (91) and right casing (92) is logical
Connection sheet (93) connection is crossed, the left end correspondence of turnover panel described in two groups (5) is connected between two groups of connection sheets (93).
2. a kind of anti-needle of venous detaining needle according to claim 1 stabs structure, it is characterised in that: the threeway conduit
The inner cavity of seat (3) is connected with two groups of limit stop rings, and two groups of limit stop rings are respectively engaged with the two sides of batching pig (7).
3. a kind of anti-needle of venous detaining needle according to claim 1 stabs structure, it is characterised in that: turnover panel described in two groups
(5) be mutually respectively connected with convex block depending on side wall left end, and convex block is connected between two groups of connection sheets (93).
4. a kind of anti-needle of venous detaining needle according to claim 1 stabs structure, it is characterised in that: the curved baffle
(8) lateral length is identical as the length of connection sheet (93).
5. a kind of anti-needle of venous detaining needle according to claim 1 stabs structure, it is characterised in that: the right casing
(92) internal diameter is identical as longitudinal height of curved baffle (8), the diameter phase of the internal diameter and steel needle (2) of the left casing (91)
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066230.8U CN209286381U (en) | 2018-07-06 | 2018-07-06 | A kind of anti-needle of venous detaining needle stabs structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066230.8U CN209286381U (en) | 2018-07-06 | 2018-07-06 | A kind of anti-needle of venous detaining needle stabs structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209286381U true CN209286381U (en) | 2019-08-23 |
Family
ID=67650701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821066230.8U Active CN209286381U (en) | 2018-07-06 | 2018-07-06 | A kind of anti-needle of venous detaining needle stabs structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209286381U (en) |
-
2018
- 2018-07-06 CN CN201821066230.8U patent/CN209286381U/en active Active
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