CN212880437U

CN212880437U - Puncture-proof infusion apparatus needle head protection device

Info

Publication number: CN212880437U
Application number: CN202020500697.XU
Authority: CN
Inventors: 陆军; 吴晓红; 刘梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-04-06
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a puncture-proof transfusion device needle head protection device, which comprises a first sleeve and a second sleeve which are connected on a transfusion tube in a sliding way and are mutually sleeved; the side wall of the first sleeve is provided with a connecting groove; the second sleeve is sleeved on the inner side of the first sleeve, the side wall of the second sleeve protrudes outwards to form a connecting handle, and the connecting plate penetrates out of the connecting groove to enable the second sleeve to slide along the connecting groove; notches are formed in the same positions of the side walls of the first sleeve and the second sleeve, and the two notches are overlapped to accommodate the needle handle; the end part of the first sleeve, which is far away from the needle head, is sealed by a fixed seat, and a through hole for the liquid delivery pipe to pass through is arranged on the fixed seat.

Description

Puncture-proof infusion apparatus needle head protection device

Technical Field

The utility model relates to a puncture-proof transfusion device needle head protection device, which belongs to the technical field of medical appliances.

Background

Traditional disposable transfusion system, including syringe needle, needle file, infusion hose and connect the single-wing needle handle in needle file lateral margin, clinical nurse in the in-service use end at the patient infusion, when pulling out the infusion syringe needle and when handling abandonment syringe needle, the skin is stabbed easily to naked syringe needle, and the skin infects the germ after being stabbed easily, consequently has great potential safety hazard to clinical medical personnel.

At present, the situation that a needle is directly inserted into an infusion bottle for treatment after the needle is pulled out in clinical infusion, but the needle is still easy to fall off, particularly when clinical medical care personnel meet 2 or more than 2 patients who finish infusion simultaneously, the situation that the needle is pulled out for the 2 nd patient after the abandoned infusion apparatus of 1 patient is disposed in time is almost impossible, and the situation that the pulled-out infusion apparatus needle is punctured is often generated while urgent treatment is performed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a prevent transfusion system syringe needle protection device that stabbing, and then solve medical personnel and extract when the infusion syringe needle promptly, use protection device to return and sheathe in contaminated syringe needle, prevent that medical personnel from taking place the harm that is hindered by the needle puncture when pulling out the needle or handling the abandonment syringe needle.

The technical scheme of the utility model as follows:

a puncture-proof transfusion device needle head protection device comprises a first sleeve and a second sleeve which are connected to a transfusion tube in a sliding way and are mutually sleeved; the side wall of the first sleeve is provided with a connecting groove; the second sleeve is sleeved inside the first sleeve, the side wall of the second sleeve protrudes outwards to form a connecting handle, and the connecting plate penetrates out of the connecting groove to enable the second sleeve to slide along the connecting groove; notches are formed in the same positions of the side walls of the first sleeve and the second sleeve, and the two notches are overlapped to accommodate the needle handle; the end part of the first sleeve, which is far away from the needle head, is sealed by a fixed seat, and a through hole for the liquid delivery pipe to pass through is arranged on the fixed seat.

Furthermore, the end part of the second sleeve, which is close to the needle head, extends outwards to penetrate through the first sleeve and is connected with an end cover; the end of the second sleeve near the needle is sealed by an end cap.

Furthermore, the end parts of the connecting grooves, which are close to the needle head and far away from the needle head, extend along the radial direction of the first sleeve to form limiting grooves communicated with the connecting grooves; the limiting groove is used for fixing the position of the clamping connection handle.

Furthermore, the fixed seat comprises an insertion piece inserted into an opening at one end of the first sleeve and a positioning piece positioned outside the first sleeve; the insert is a hollow cylinder, and the outer diameter of the insert is smaller than the inner diameter of the second sleeve; the through hole penetrates through the insertion piece and the positioning piece.

Further, the inner diameter of the insertion piece is larger than the outer diameter of the infusion tube, and the inner side wall of the insertion piece is provided with threads for increasing friction force.

Further, the first and second sleeves are made of a hard plastic.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model provides a prevent transfusion system syringe needle protection device of stabbing, realize the parcel to the exposed syringe needle jointly through first sleeve and the second sleeve that sets up flexible cup jointing, first sleeve and the telescopic mode of cup jointing of second are equivalent to flexible simultaneously, when not finishing the infusion, withdraw the second sleeve and fix in first sleeve, and then reduce whole protection device's of connection on the transfer line volume, make smooth protection device can not influence going on of infusion, when finishing the infusion and need pulling out the needle, pull out first sleeve after-fixing with the second sleeve, make the second sleeve seal whole syringe needle, reduce the syringe needle and stab medical personnel's possibility, safety and sanitation, be applicable to traditional disposable transfusion system, production and use cost are low.

2. The utility model discloses in be provided with along the radial extending spacing groove of first telescopic on the spread groove of first sleeve lateral wall, rotatory second sleeve can be in the spacing groove will be connected the card in first telescopic different positions when using, and then the position between fixed second sleeve and the first sleeve, avoids the syringe needle that the second sleeve shifted and cause in the use to expose.

3. The utility model discloses still be provided with the end cover on the well second sleeve, after second sleeve parcel syringe needle, the accessible end cover seals the second sleeve, avoids the sharp-pointed part of syringe needle to wear out protection device and stabs medical personnel.

4. The utility model discloses a fixing base that is used for on the transfer line of connecting first sleeve and second sleeve includes insert and setting element, and the inside wall of insert is provided with the screw thread, has increased the frictional force between fixing base and the transfer line, reduces the arbitrary slip of protection device on the transfer line and then influences going on of normal infusion.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic view of the structure of the utility model connected with the needle and the infusion tube.

The reference numbers in the figures denote:

1. a first sleeve; 11. connecting grooves; 12. a limiting groove; 2. a second sleeve; 21. a connecting handle; 3. a transfusion tube; 4. a notch; 5. a needle handle; 6. a needle head; 7. a fixed seat; 71. a through hole; 72. an insert; 73. a positioning member; 74. a thread; 8. and (4) end covers.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, an anti-puncture infusion apparatus needle protection device comprises a first sleeve 1 and a second sleeve 2 which are slidably connected to an infusion tube 3 and are sleeved with each other; the side wall of the first sleeve 1 is provided with a connecting groove 11; the second sleeve 2 is sleeved inside the first sleeve 1 and is in sliding connection with the first sleeve, a connecting handle 21 is formed on the side wall of the second sleeve 2 in an outward protruding mode, the connecting handle 21 penetrates through the connecting groove 11 to enable the second sleeve 2 to slide along the connecting groove 11, and the connecting groove 11 can limit the sliding position and the sliding distance of the second sleeve 2; the end parts of the connecting grooves 11 close to the needle 6 and far away from the needle 6 extend along the radial direction of the first sleeve 1 to form limiting grooves 12 communicated with the connecting grooves 11; the limiting groove 12 is used for fixing the position of the clamping connection handle 21, when the connection handle 21 of the second sleeve 2 is pulled, the second sleeve 2 slides to the front end of the first sleeve 1 along the connection groove 11, the second sleeve 2 is rotated, the connection handle 21 is accurately clamped into the limiting groove 12 at the corresponding position, and the second sleeve 2 can be fixed at the front end of the first sleeve 1 and wrapped outside the needle 6; pulling the connecting handle 21 of the second sleeve 2 to enable the second sleeve 2 to slide to the rear end of the first sleeve 1 along the connecting groove 11, rotating the second sleeve 2 again, and accurately clamping the connecting handle 21 into the limiting groove 12 at the corresponding position, so that the second sleeve 2 can be fixed at the rear end of the first sleeve 1, and the second sleeve 2 and the first sleeve 1 can be contracted; notches 4 are formed in the same positions of the side walls of the first sleeve 1 and the second sleeve 2, the two notches 4 are overlapped to contain a needle handle 5, and when the second sleeve 2 is used for wrapping a needle 6, the needle handle 5 can be clamped in the notches 4; the end part of the first sleeve 1 far away from the needle 6 is sealed by a fixed seat 7, and a through hole 71 for the liquid delivery pipe 3 to pass through is arranged on the fixed seat 7.

Furthermore, the end part of the second sleeve 2 close to the needle 6 extends outwards to penetrate through the first sleeve 1 and then is connected with an end cover 8; the end of the second sleeve 2 close to the needle 6 is sealed by an end cap 8, and the end cap 8 is used for plugging the second sleeve 2 to prevent the sharp part of the needle 6 from penetrating out of the protection device to hurt the medical staff when the second sleeve 2 wraps the needle 6.

Further, the fixing seat 7 comprises an inserting piece 72 inserted into an opening at one end of the first sleeve 1 and a positioning piece 73 located outside the first sleeve 1; the insert 72 is a hollow cylinder, the outer diameter of which is smaller than the inner diameter of the second sleeve 2; the through hole 71 penetrates the insert 72 and the positioning member 73.

Furthermore, the inner diameter of the insert 72 is larger than the outer diameter of the infusion tube 3, the infusion tube 3 sequentially passes through the positioning part 73 and the insert 72, the inner side wall of the insert 72 is provided with a thread 74 for increasing friction force, the friction force between the fixing seat 7 and the infusion tube 3 is increased due to the arrangement of the internal thread 74, and the random sliding of the protection device on the infusion tube 3 is reduced to further influence the normal infusion.

Further, the first sleeve 1 and the second sleeve 2 are made of hard plastic.

The utility model discloses a theory of operation:

when the utility model is used, the fixed seat 7, the first sleeve 1 and the second sleeve 2 are connected on the infusion tube 3 in a sliding way, and the infusion tube 3 sequentially passes through the positioning piece 73 and the inserting piece 72 of the fixed seat 7; when the protection device is not used, the first sleeve 1 and the second sleeve 2 are kept in a contraction state, at the moment, the second sleeve 2 is pulled, the second sleeve 2 slides to the rear end of the first sleeve 1 along the connecting groove 11, the second sleeve 2 is rotated, the connecting handle 21 is accurately clamped into the limiting groove 12 in the corresponding position, the second sleeve 2 is fixed at the rear end of the first sleeve 1, and the volume contraction of the whole protection device is realized; after the infusion finishes, medical personnel extract when the infusion syringe needle, the connection of pulling second sleeve 2 is 21, make second sleeve 2 slide to first sleeve 1 front end along spread groove 11 when, rotatory second sleeve 2, will connect 21 accurate card go into the spacing groove 12 that corresponds the position, can fix second sleeve 2 at first sleeve 1 front end, the parcel is in the outside of syringe needle 6, simultaneously, insert end cover 8 in the second sleeve 2, the sharp-pointed part that seals in order to avoid syringe needle 6 to the head of second sleeve 2 exposes.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a prevent transfusion system syringe needle protection device of stabbing which characterized in that: comprises a first sleeve (1) and a second sleeve (2) which are connected with an infusion tube (3) in a sliding way and are sleeved with each other; the side wall of the first sleeve (1) is provided with a connecting groove (11); the second sleeve (2) is sleeved inside the first sleeve (1), a connecting handle (21) is formed on the side wall of the second sleeve (2) in an outward protruding mode, and the second sleeve (2) slides along the connecting groove (11) after the connecting handle (21) penetrates out of the connecting groove (11); notches (4) are formed in the same positions of the side walls of the first sleeve (1) and the second sleeve (2), and the two notches (4) are overlapped to contain a needle handle (5); the end part, far away from the needle head (6), of the first sleeve (1) is sealed through a fixing seat (7), and a through hole (71) for the liquid delivery pipe (3) to penetrate through is formed in the fixing seat (7).

2. The anti-puncture infusion set needle protection device according to claim 1, characterized in that: the end part of the second sleeve (2) close to the needle head (6) extends outwards to penetrate through the first sleeve (1) and then is connected with an end cover (8); the end of the second sleeve (2) close to the needle (6) is sealed by an end cover (8).

3. The anti-puncture infusion set needle protection device according to claim 2, wherein: the end parts of the connecting grooves (11) close to the needle head (6) and far away from the needle head (6) extend along the radial direction of the first sleeve (1) to form limiting grooves (12) communicated with the connecting grooves (11); the limiting groove (12) is used for fixing the position of the clamping connection handle (21).

4. The anti-puncture infusion set needle protection device according to claim 3, wherein: the fixed seat (7) comprises an insertion piece (72) inserted into an opening at one end of the first sleeve (1) and a positioning piece (73) positioned outside the first sleeve (1); the insert (72) is a hollow cylinder, and the outer diameter of the insert is smaller than the inner diameter of the second sleeve (2); the through hole (71) penetrates through the insert (72) and the positioning piece (73).

5. The anti-puncture infusion set needle protection device according to claim 4, wherein: the inner diameter of the insert (72) is larger than the outer diameter of the infusion tube (3), and the inner side wall of the insert (72) is provided with a thread (74) for increasing friction force.

6. The anti-puncture infusion set needle protection device according to claim 5, wherein: the first sleeve (1) and the second sleeve (2) are made of hard plastic.