CN216222407U

CN216222407U - Disinfection cap for remaining needle joint

Info

Publication number: CN216222407U
Application number: CN202122529655.6U
Authority: CN
Inventors: 汪洪
Original assignee: Sichuan Tian Yi Technology Co ltd
Current assignee: Sichuan Tian Yi Technology Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-08
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses an indwelling needle connector disinfection cap which comprises a cap body, wherein a disinfectant carrier is arranged in the cap body, a disinfection cap opening and a disinfectant through opening are formed in the cap body, a sealing paste is hermetically covered on the disinfection cap opening, a deformable liquid storage part is arranged corresponding to the disinfectant through opening and is separated from the disinfectant carrier, an extrusion sleeve is arranged outside the disinfectant through opening, the extrusion sleeve is hermetically connected with the outer wall of the cap body to form a closed extrusion sleeve inner cavity, the extrusion sleeve inner cavity is communicated with the disinfectant through opening, the liquid storage part is arranged in the extrusion sleeve inner cavity, and when the extrusion sleeve is pressed to enable the liquid storage part to be extruded, disinfectant stored in the liquid storage part flows onto the disinfectant carrier through the disinfectant through opening. The utility model has the beneficial effects that: in the process of installing and removing the disinfection cap, the disinfection liquid is discharged to the disinfection liquid carrier through pinching and pressing the extrusion sleeve, the disinfection treatment of the infusion connector can be realized, the convenience and the rapidness are realized, and the secondary disinfection is synchronously realized when the disinfection cap is removed.

Description

Disinfection cap for remaining needle joint

Technical Field

The utility model belongs to the technical field of medical infusion pipeline accessories, and particularly relates to an indwelling needle joint disinfection cap.

Background

The administration path of the patient is established clinically by using a medical infusion pipeline. The disposable infusion tube is removed after the infusion is completed, and a venous indwelling needle is generally used for patients who need to infuse for a plurality of times in a time-sharing or continuous multiple days. In addition, central venous catheters are widely used for some patients who need to establish a rapid fluid administration pathway through a large vein. The retention period will continue for a period of time after the indwelling needle or central venous catheter is punctured into the vein. The infusion connector needs to be sealed after each infusion is completed and must be rigorously sterilized for the next infusion as part of the clinical aseptic procedure. Currently, nurses generally use sterile swabs or pads to wipe and sterilize the joint to avoid infection of the patient. The disinfection process should be continued for a period of time, e.g., not less than 15 seconds, as required by clinical practice, resulting in a long time-consuming injection preparation operation by a nurse and possibly delaying treatment in an emergency. At present, a disposable disinfection cap comprising a housing in which a disinfection sponge impregnated with a disinfection solution is installed, and an opening of the housing is sealed by a sealing sheet, has been clinically used. When the infusion apparatus is used, the sealing sheet is torn off, the disinfection cap is sleeved on the infusion connector, and the disinfection sponge is abutted against the infusion connector to disinfect the infusion connector. When the transfusion is performed again, the disinfection cap is taken down. The problem that current disinfection cap exists is, after the live time is longer, for example next infusion time in the next day, because the consumption and the volatilization of antiseptic solution, the disinfection sponge will be dry, can no longer play better disinfection effect to the infusion joint, still need the nurse to carry out the infusion after manual disinfection once more.

Patent document CN213100407U discloses a sterilizer of medical catheter, including the pipe connection head, the inner wall fixedly connected with pipe of pipe connection head, the surperficial cover of pipe connection head is equipped with disinfection cap, the internal thread hole has been seted up at the top of disinfection cap, the liquid hole has all been seted up to the circumference inner wall of disinfection cap, and the liquid hole communicates with each other with the stock solution chamber, the stock solution chamber is connected with the disinfection sap bag, the inner wall of disinfection cap is equipped with the disinfection piece, and the inner wall of disinfection piece and the surface contact of pipe connection head, the bottom joint of disinfection cap has the butt piece, the top of butt piece and the bottom butt of disinfection piece. Disinfectant is added to the disinfection cap through the disinfection liquid bag, disinfection sponge in the disinfection cap can be replaced, and the design can prolong the service life of the disinfection cap. However, in order to ensure the normativity of aseptic operation, the sterilizer needs a professional to add liquid or replace a disinfection sponge, still consumes more time, is not convenient and fast to use, and has insufficient consistency of operation effects of different personnel, thereby causing uncertainty of disinfection effects. In addition, since the sterilizing fluid bladder is attached to the top of the sterilizing cap, a malfunction may occur.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a sterilized cap for an indwelling needle connector.

The technical scheme is as follows:

a connector disinfection cap for an indwelling needle comprises a cap body, wherein a disinfectant carrier is arranged in the cap body, the cap body is provided with a disinfection cap opening and a disinfectant passing opening, and a sealing patch is hermetically covered on the disinfection cap opening;

a deformable liquid storage part is arranged corresponding to the disinfectant through opening, and the liquid storage part and the disinfectant carrier are arranged in a separated manner;

the key point of the method is that,

an extrusion sleeve is arranged outside the disinfectant passing opening of the cap body and is hermetically connected with the outer wall of the cap body to form a closed extrusion sleeve inner cavity, the extrusion sleeve inner cavity is communicated with the disinfectant passing opening, and the liquid storage part is arranged in the extrusion sleeve inner cavity;

when the liquid storage part is extruded due to the compression of the extruding sleeve, the disinfectant stored in the liquid storage part flows onto the disinfectant carrier through the disinfectant through opening.

Compared with the prior art, the utility model has the beneficial effects that: (1) in the process of mounting the disinfection cap, the disinfection liquid is discharged onto the disinfection liquid carrier by pinching and pressing the extrusion sleeve, so that the disinfection treatment of the infusion joint can be realized, the operation is convenient and rapid, and in the process of removing the disinfection cap, part of the disinfection liquid is discharged onto the disinfection liquid carrier again, and the secondary disinfection is synchronously realized;

(2) the disposable safety is ensured;

(3) the stock solution spare is built-in the extrusion cover, can prevent the maloperation, plays the guard action to stock solution spare in storing and transportation.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a schematic cross-sectional view illustrating a first embodiment of the present invention;

FIG. 3 is a schematic view of the first embodiment with the extrusion boot removed;

FIG. 4 is a schematic cross-sectional view of the second embodiment;

FIG. 5 is a schematic structural view of the hidden twister and the cap body according to the third embodiment;

FIG. 6 is a schematic cross-sectional view of the third embodiment;

FIG. 7 is a schematic structural view according to a fourth embodiment;

fig. 8 is a schematic structural view of the hidden twister and the cap body according to the fourth embodiment.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

Example one

As shown in figures 1-3, the indwelling needle connector disinfection cap comprises a cylindrical cap body 1, wherein openings at two ends of the cap body 1 form a disinfection cap opening 1d and a disinfectant passing opening respectively. The cap body 1 is internally provided with a disinfectant carrier 2. The disinfection cap opening 1d is hermetically covered with a sealing paste 5.

The cap body 1 the antiseptic solution is crossed mouthful dustcoat and is equipped with extrusion cover 3, this extrusion cover 3 with cap body 1 outer wall sealing connection is in order to form confined extrusion cover inner chamber, this extrusion cover inner chamber with the antiseptic solution is crossed mouthful intercommunication, and this extrusion cover 3 has rigidity and elasticity concurrently, can keep its inner chamber shape and bear certain extrusion force under free state, can take place the deformation when receiving great extrusion force thereby make its inner chamber flat deformation.

In this embodiment, as shown in fig. 2, the extrusion sleeve 3 is a hollow cylinder with an opening at one end, and the opening of the extrusion sleeve 3 is sleeved outside the end of the cap body 1 where the disinfectant solution outlet is located. As can be seen from fig. 2 and 3, the outer wall of the cap body 1 is provided with a ring groove 1b, the opening edge of the extrusion sleeve 3 extends into the ring groove 1b to form a snap ring 3b, and the snap ring 3b is sealed with the ring groove 1b and can be further bonded to improve the sealing performance.

As can be seen from fig. 2 and 3, a deformable liquid storage member 4 is disposed in the squeezing sleeve 3, a liquid outlet of the liquid storage member 4 is separated from the disinfectant carrier 2, and when the squeezing sleeve 3 is pressed to squeeze the liquid storage member 4, the disinfectant stored in the liquid storage member 4 flows onto the disinfectant carrier 2 through the disinfectant through-hole. The outer diameter of the liquid storage part 4 is smaller than the inner diameter of the extrusion sleeve 3.

The advantage of this design is that tearing the seal 5, when the disinfection cap is first mounted on the infusion connector of the indwelling needle, the fingers pinch the squeeze sleeve 3 so that a part of the disinfectant in the liquid storage member 4 flows onto the disinfectant carrier 2, and the disinfectant carrier 2 is in contact with the infusion connector, so that the disinfectant can play a role. When the disinfection cap is removed, the squeezing sleeve 3 is squeezed again to make a part of the residual clean disinfection liquid in the liquid storage part 4 flow to the disinfection liquid carrier 2, which is equivalent to the secondary treatment of the infusion joint, and then the disinfection cap is removed. Because the disinfection cap is installed and removed twice, the nursing operation is greatly facilitated.

Stock solution spare 4 can be elastic stock solution bag, and this embodiment is preferred for the stock solution stick, and this stock solution stick is with the absorption mode storage antiseptic solution, and the stock solution stick is the sponge stick that has certain elasticity, like polyester fiber sponge stick, can adsorb a quantitative liquid of storage in it to discharge when the pressurized. About 50% of liquid can be discharged when the disinfection cap is squeezed for the first time, and 30-40% of liquid can be discharged when the disinfection cap is squeezed for the second time, so that the disinfection liquid can be supplied to the disinfection liquid carrier 2 twice when the disinfection cap is installed and taken down. The advantage of using the stock solution stick as stock solution spare lies in, can enough store the liquid that satisfies the disinfection use amount, and liquid filling is convenient, and mounting structure is simple to the cost is lower, and antiseptic solution is stored with absorbent mode in addition, can remain stable in the transportation, avoids on the automatic antiseptic solution carrier 2 that flows because of rocking or gravity action.

The disinfectant carrier 2 may be a medical cotton sheet having a strong hygroscopicity.

For convenient operation, the cap body 1 is further fixedly connected with a hidden knob 1a, the hidden knob 1a extends into the inner cavity of the extrusion sleeve 3, and the hidden knob 1a is flat and arranged along the axial direction of the cap body 1.

As can be seen from fig. 2 and 3, in this embodiment, the hidden knob 1a is in a door shape, and two ends of the hidden knob are respectively and fixedly connected with the surface of the cap body 1 facing the inner cavity of the extrusion sleeve. The liquid storage rod is arranged in a rectangular frame formed by the hidden wrench 1a and the cap body 1 in a surrounding mode, and therefore the liquid storage rod is stably limited.

Further, with reference to fig. 1 and 2, the outer wall of the extrusion sleeve 3 is provided with two pressing protrusions 3a, the two pressing protrusions 3a are symmetrically distributed on two sides of the hidden handle 1a, and a connecting line of the two pressing protrusions 3a passes through the liquid storage part 4.

The rigid hidden twistgrip 1a is designed for the purpose of serving as a hand-held point for an operator to hold in hand for the operation of installing or removing the disinfection cap. And the hidden handle 1a is arranged in the extrusion sleeve 3, so that the hidden handle can be prevented from being touched by mistake. When the operator pinches and presses the pressing protrusions 3a with two fingers respectively, the liquid storage rod is squeezed and deformed, and the disinfectant is discharged. Because the disinfection cap needs to be sleeved on the infusion connector in a rotating mode or removed from the infusion connector, an operator can conveniently discharge the disinfection solution onto the disinfection solution carrier 2 and complete the friction disinfection process of the infusion connector in the installation and removal processes. Because the hidden knob 1a has a certain thickness and the size of the hidden knob in the plane direction is larger than that of the liquid storage rod, when the disinfection cap is installed, the fingers of an operator can be used for installing the disinfection cap by the hidden knob 1a without pressing the squeezing sleeve 3 with large force. When removing the disinfection cap, the operating personnel point with great strength and pinch the pressure and press protruding 3a, extrusion cover 3 warp greatly, thereby it extrudees the stock solution stick to the offside inner wall and makes the surplus antiseptic solution in the stock solution stick discharge as far as possible.

Referring to fig. 2, in order to ensure that the liquid storage rod and the disinfectant carrier 2 are not in direct contact with each other, a separation orifice plate 6 is arranged in the disinfectant through opening, the separation orifice plate 6 is fixedly connected with the cap body 1, and the separation orifice plate 6 is positioned between the liquid storage part 4 and the disinfectant carrier 2 to separate the two, so that the liquid storage rod is kept clean all the time. The small holes are uniformly distributed on the separation orifice plate 6 so that the disinfectant liquid can flow and be distributed on the disinfectant liquid carrier 2 uniformly. The disinfectant carrier 2 is close to the separation pore plate 6, and the separation pore plate 6 and the disinfectant carrier 2 can be arranged in the cap body 3 in an interference fit manner.

Two ends of the hidden handle 1a are respectively connected with the end surface of the cap body 3, and the hidden handle 1a and the cap body 1 are integrally formed.

As shown in fig. 2, a sealing ring sleeve 7 is fixedly arranged on the inner wall of the cap body 1 close to the disinfecting cap opening 1 d. The outer wall of the sealing ring sleeve 7 is attached to and bonded with the inner wall of the cap body 1, the inner hole of the sealing ring sleeve 7 is a taper hole, and the aperture of the taper hole is gradually reduced from the outer end to the inner end. When the cap body 1 is sleeved on the infusion joint with the smooth outer wall, the sealing ring sleeve 7 can play a role in sealing.

The extrusion sleeve 3 can be a silica gel sleeve, is processed into a transparent or semitransparent shape, and is convenient for observing the liquid containing state of the internal liquid storage rod. The disinfectant may be chlorhexidine gluconate for disinfecting the infusion connector.

Example two

The structure of the disinfection cap in this embodiment is similar to that of the embodiment, except that, as shown in fig. 4, the cap body 1 in this embodiment is in a hollow cylinder shape, one end of the cap body 1 is opened to form a disinfection cap opening 1d, the center of the end plate 1g at the other end of the cap body 1 is provided with a disinfection solution passing opening, and the outer side surface of the end plate 1g gradually inclines towards the disinfection cap opening 1d from the edge to the disinfection solution passing opening to form a diversion surface 8. A hidden knob 1a is vertically arranged on the outer side surface of an end plate 1g of the cap body 1, and a liquid storage rod is arranged between the hidden knob 1a and the end plate of the cap body 1.

An inner thread 1c is processed on the inner wall of the cap body 1 close to the disinfection cap opening 1d and is used for being connected with an infusion joint with an external thread in a sealing way.

EXAMPLE III

The structure of the disinfection cap of this embodiment is similar to that of the embodiment, except that, as shown in fig. 5, a pressing plate 1e is integrally formed on the middle section of the operating knob 1a, and the pressing plate 1e is concentric with the cap body 1. The pressing disc 1e is arranged to sleeve the cap body 1 on the infusion connector when the disinfection cap is mounted on the infusion connector, and then the pressing disc 1e is pushed by hand to conveniently mount the cap body 1 in place.

In this embodiment, the installation manner between the extrusion sleeve 3 and the cap body 1 is different from that in the first embodiment: as shown in FIG. 6, a mounting ring 1f is integrally formed at the middle of the outer wall of the cap body 1. The extrusion sleeve 3 is in a hollow cylindrical shape with an opening at one end, the extrusion sleeve 3 is sleeved outside the end part of the disinfectant passing opening of the cap body 1, the opening end of the extrusion sleeve 3 falls on the mounting ring 1f, and the opening of the extrusion sleeve 3 is bonded and sealed with the outer wall of the cap body 1.

In this embodiment, the liquid storage part 4 is also a liquid storage rod. The disinfection solution outlet is formed in the end plate 1g of the cap body 1, the hidden handle 1a is vertically arranged on the outer side surface of the end plate 1g of the cap body 1, and a liquid storage rod is arranged between the hidden handle 1a and the end plate of the cap body 1. Antiseptic solution carrier 2 sets up in cap body 1 and leans on support ring 1g to realize the location, make antiseptic solution carrier 2 and stock solution stick contactless.

Example four

The structure of the disinfection cap of this embodiment is similar to that of the third embodiment, except that, as shown in fig. 7 and 8, the outer diameter of the cap body 1 is larger than the width of the operation knob 1a, so that the end face of the cap body 1 where the disinfection solution outlet is located has a circular platform surrounding the operation knob 1a, the outer diameter of the extrusion sleeve 3 is consistent with the outer diameter of the cap body 1, and the opening of the extrusion sleeve 3 falls on the circular platform and is in sealed bonding with the circular platform.

The cap body 1 comprises a cylinder, one end of the cylinder is covered with an end plate 1g, and the two are matched with each other in a step mode and are bonded in a sealing mode. A plurality of tooth-shaped supporting blocks which radially and inwards extend out are formed at the inner edge of the disinfectant passing opening formed in the center of the end plate 1g, so that the tooth-shaped supporting blocks can support the liquid storage rod, the area of the disinfectant passing opening is not rapidly reduced, and the disinfectant can conveniently pass through. The operation knob 1a is integrally formed with the end plate 1 g.

The appearance of the disinfection cap is more concise.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. An indwelling needle connector disinfection cap comprises a cap body (1), wherein a disinfectant carrier (2) is arranged in the cap body (1), a disinfection cap opening (1d) and a disinfectant passing opening are formed in the cap body (1), and a sealing sticker (5) is hermetically covered on the disinfection cap opening (1 d);

a deformable liquid storage part (4) is arranged corresponding to the disinfectant solution through opening, and the liquid storage part (4) and the disinfectant solution carrier (2) are arranged in a separated manner;

the method is characterized in that:

an extrusion sleeve (3) is arranged outside the disinfectant passing opening of the cap body (1), the extrusion sleeve (3) is hermetically connected with the outer wall of the cap body (1) to form a closed extrusion sleeve inner cavity, the extrusion sleeve inner cavity is communicated with the disinfectant passing opening, and the liquid storage part (4) is arranged in the extrusion sleeve inner cavity;

when the liquid storage part (4) is extruded due to the compression of the extrusion sleeve (3), the disinfectant stored in the liquid storage part (4) flows onto the disinfectant carrier (2) through the disinfectant through opening.

2. The antiseptic cap of an indwelling needle hub as in claim 1, wherein: the outer diameter of the liquid storage part (4) is smaller than the inner diameter of the extrusion sleeve (3).

3. The antiseptic cap of an indwelling needle hub as in claim 2, wherein: the liquid storage part (4) is a liquid storage rod which stores disinfectant in an adsorption mode.

4. The antiseptic cap of an indwelling needle hub as in claim 3, wherein: the cap body (1) is further fixedly connected with a hidden wrench (1a), the hidden wrench (1a) extends into the inner cavity of the extrusion sleeve (3), and the hidden wrench (1a) is flat and arranged along the axial direction of the cap body (1).

5. The antiseptic cap of an indwelling needle hub as in claim 4, wherein: the hidden handle (1a) is door-shaped, and two ends of the hidden handle are respectively fixedly connected with the surface of the cap body (1) facing the inner cavity of the extrusion sleeve;

a pressing disc (1e) is integrally formed in the middle section of the hidden handle (1a), and the pressing disc (1e) and the cap body (1) share the same center line;

the liquid storage part (4) is arranged in a rectangular frame formed by the hidden handle (1a) and the cap body (1).

6. The antiseptic cap of an indwelling needle hub as in claim 5, wherein: the outer wall of the extrusion sleeve (3) is provided with two pressing protrusions (3a), the two pressing protrusions (3a) are symmetrically distributed on two sides of the hidden twisting handle (1a), and connecting lines of the two pressing protrusions (3a) pass through the liquid storage part (4).

7. The antiseptic cap for an indwelling needle hub according to any one of claims 1 to 3, wherein: a separation pore plate (6) is arranged in the disinfectant solution through opening, the separation pore plate (6) is fixedly connected with the cap body (1), and the separation pore plate (6) is positioned between the liquid storage part (4) and the disinfectant solution carrier (2) to separate the liquid storage part from the disinfectant solution carrier.

8. The antiseptic cap of an indwelling needle hub as in claim 7, wherein: the cap body (1) is cylindrical, and openings at two ends of the cap body (1) form a disinfection cap opening (1d) and a disinfectant passing opening respectively;

the disinfectant carrier (2) is arranged in the cap body (1) and close to the disinfectant through hole;

extrusion cover (3) are one end open-ended hollow cylinder, the opening cover of extrusion cover (3) is in outside the antiseptic solution of the cap body (1) is crossed mouthful place tip, annular (1b) has been seted up to the cap body (1) outer wall, the opening edge of extrusion cover (3) to extend in annular (1b) in order to form snap-fit ring (3b), this snap-fit ring (3b) with annular (1b) is sealed.

9. The antiseptic cap for an indwelling needle hub according to any one of claims 1 to 3, wherein: the cap body (1) is in a hollow cylindrical shape, one end of the cap body (1) is opened to form the disinfection cap opening (1d), and the center of the end plate (1g) at the other end of the cap body (1) is provided with the disinfection solution passing opening;

stock solution spare (4) set up on end plate (1g), antiseptic solution carrier (2) set up in cap body (1) to support and lean on end plate (1 g).

10. The antiseptic cap for an indwelling needle hub according to any one of claims 1 to 3, wherein: the inner wall of the cap body (1) close to the disinfection cap opening (1d) is provided with an internal thread (1c) or is fixedly provided with a sealing ring sleeve (7).