CN204147423U - A kind of antibacterial cap - Google Patents

Abstract

The utility model discloses a kind of antibacterial cap, sealing cap body, connecting band and connecting device; Described sealing cap body can form by adding nano silver material injection molding; Or be provided with a slice in the cap of described sealing cap body and add nanometer silver or antibiotic foam sheet, form aseptic area; Also be provided with female thread (can also be the structure not arranging screw thread simultaneously, can directly be connected with calparine cap), female thread can be connected with calparine cap one end or needleless joint threaded one end; One end of connecting band is fixedly connected on the bottom of sealing cap body, and the other end of connecting band is fixedly connected with connecting device (i.e. clamp); Connecting device (namely clamp is used for being connected with supravasal extension tube) is also fixedly connected with expended tube of catheter.The antibacterial cap that this utility model provides can form an antibacterial district at catheter adapter liquid feeding end port part, effectively reduces the infections relating of conduit.

Description

A kind of antibacterial cap

Technical field

This utility model relates to medical instruments field, particularly relates to the antibacterial cap that calparine cap, concora crush needleless joint, positive pressure needle-free joint and various fluid infusion port use.

Background technology

In the medical field, central venous catheter is that hospital's treatment and the important of rescue critical patient have one of wound treatment measure, and it is widely used in the aspects such as blood samples of patients kinetic measurement, long-term intravenous nutrition, quick infusion, blood sampling, chemotherapy of tumors; In addition, hemodialysis catheter is mainly used in acute or patients with chronic renal failure except excessive moisture, metabolite in body and the dialysis treatment maintaining the aspects such as electrolyte balance; Further, Theodolite measuring systems is the important channel of the supply of long duration medicines such as chemotherapy of tumors; Drainage catheter can effectively be discharged the hydrops in patient body rapidly and carry out associated treatment through conduit, thus shortens the patient treatment time; And venous detaining needle is one of modal treatment means in current routine clinical treatment.Above-mentioned all treatment meanss and method, used by spread at current medical field, in Clinical practice, huge effect is served for saving patient vitals, improving therapeutic efficiency, shorten treatment time and reducing the aspects such as patient suffering, no matter but above-mentioned that Therapeutic Method, they all have an identical feature, namely by there being wound percutaneous puncture, all need above-mentioned various conduit to introduce in human vas or in body, thus make inside of human body set up a controlled occasional passage with extraneous;

But, the existence of these wounds and conduit just, a series of infection is caused to occur, as catheter associated infection (CRI), conduit associated blood infects (being called for short CRB) and the generation of catheter-related Sepsis:, from current grasped data, in China because the related infection sickness rate caused in various catheter retaining human body is about 18.3%-57.4%, so high infection proportion is while bringing life threat to patient, bring great number of issues also to clinical treatment and nursery work, therefore how to reduce various catheter associated infection sickness rate and become the problem that recent domestic medical personnel comparatively pay close attention to.

Show according to many parts of Clinical Reports about catheter infections, catheter-related Infections: Clinical Study has 50% to come from skin clinically, and 40% comes from contaminated joint, and the infection of other approach accounts for 10%, for this situation, lot of domestic and foreign manufacturer takes multiple positive way to solve; But current topmost infection method is antibiotic coating anti-infectious catheter and nanometer silver anti-infectious catheter, the appearance of these two kinds of anti-infectious catheters, efficiently solve the catheter-related Infections: Clinical Study stemming from skin surface and cause, but but cannot solve the catheter-related Infections: Clinical Study coming from contaminated joint and cause.

As everyone knows, infusion connector is topmost is exactly calparine cap, concora crush needleless joint, positive pressure needle-free joint and threeway, calparine cap forms infusion channel after piercing through the soft silica gel sheet of calparine cap rear end by needle tubing, but the silica gel piece on calparine cap is exposed in external environment condition for a long time, and because silica gel has good biocompatibility, a large amount of antibacterial is caused to breed at Silica Surface most probably, during as used, sterilization not exclusively, stitching position on silica gel piece surface and the ditch between silica gel piece and cap body will have antibacterial to remain, when needle tubing pierces through through silica gel piece, usual meeting brings tubular body into residual antibacterial, thus cause catheter-related Infections: Clinical Study.Equally, two kinds of needleless joint (i.e. concora crush needleless joints, needleless joint is referred to as by positive pressure needle-free joint) also there is identical problem, from needleless joint structure clinical used at present, the structure of its liquid feeding end is mainly divided into two kinds, one is soft silica gel piston, a kind of add sealing ring type piston for duroplasts, no matter the piston of these two kinds of structures is any, because its shell and piston are slidably matched, so own gap exists between the two, when being exposed to after the piston face in external environment condition has bacterial adhesion, will inevitably breed in the gap that enters between the two, but the sterilization before using is difficult to the antibacterial thoroughly killed in gap, very likely residual antibacterial is brought in patient body during transfusion and cause catheter-related Infections: Clinical Study, and for transfusion threeway, its fluid infusion port only only has common helmet, in sum, we are not difficult to find out calparine cap, concora crush needleless joint and positive pressure needle-free joint fluid infusion port are all deposited to sterilize before use and are not thoroughly caused the potential risk of catheter-related Infections: Clinical Study, great inconvenience is brought to clinical nursing activity, simultaneously, above-mentioned various terminal frequently uses the sterilizations such as ethanol due to needs, and various terminal material used is macromolecular material, in injection molding process, all there is certain internal stress in its interiors of products, when with ethanol content up to the Ethanol Exposure of 75% after, product internal stresses release may be brought out, make joint cracking leakage, thus bring malpractice, cause conflict between doctors and patients, cause doctor-patient dispute.

Utility model content

The purpose of this utility model is to provide a kind of antibacterial cap, to solve the problem.

In order to achieve the above object, the technical solution of the utility model is achieved in that

A kind of antibacterial cap, comprises sealing cap body, connecting band and connecting device; Described sealing cap body can form by adding nano silver material injection molding; Or be provided with a slice in the cap of described sealing cap body and add nanometer silver or antibiotic foam sheet, form aseptic area;

Also be provided with female thread (also do not arrange the structure of screw thread simultaneously, can directly be connected with calparine cap) in described sealing cap body, described female thread can be connected with calparine cap one end or needleless joint threaded one end; One end of described connecting band is fixed on the bottom of described sealing cap body, and the other end of described connecting band is fixedly connected with connecting device;

Described connecting device is also fixedly connected with expended tube of catheter.

Preferably, described connecting device is clamp.

Preferably, described sealing cap body be in PE, PP, PET, PU working of plastics any one.

Compared with prior art, the advantage of this utility model embodiment is:

This utility model solves the technical scheme that its technical problem adopts: provide a kind of antibacterial cap, uses during conduit antibacterial cap is taken off from calparine cap, concora crush needleless joint, positive pressure needle-free joint or fluid infusion port at needs; At conduit, the used time can be buckled in calparine cap, concora crush needleless joint, positive pressure needle-free joint or fluid infusion port, antibacterial cap there is a device be connected with expended tube of catheter, antibacterial cap is facilitated still to be connected with extension tube when taking off, it is made not easily to lose and pollute, antibacterial cap can form an antibacterial district at catheter adapter liquid feeding end port part, effectively reduces catheter infections.

The antibacterial cap that this utility model provides can form an effective antibacterial region in concora crush needleless joint, positive pressure needle-free joint, calparine cap or fluid infusion port, thus the infections relating coming from joint can be avoided, and any antibacterial medicines is not incorporated in human body by this utility model, reduces medicine and enter the various risks that human body brings; Sealing cap body is PE, PP, PET part simultaneously; The biocompatibility of the sealing cap body of above-mentioned material is far worse than silica gel, can avoid a large amount of bacterial reproduction, decreases antibacterial and remains, ensure that health care and medical safety.This utility model structure is simple, easy to operate, simplifies nursery work, and avoids the joint caused because frequently using ethanol and to break the various problems such as leakage, is conducive to Clinical practice.

Accompanying drawing explanation

The structural representation of the antibacterial cap that Fig. 1 provides for this utility model embodiment one;

The assembly structure schematic diagram of the antibacterial cap that Fig. 2 provides for this utility model embodiment one and calparine cap;

The assembly structure schematic diagram of the antibacterial cap that Fig. 3 provides for this utility model embodiment one and needleless joint;

Wherein, 1 antibacterial cap; 2 calparine caps; 3 conduit bases; 4 expended tube of catheter; 5 needleless joints; 10 sealing cap bodies; 11 connecting bands; 12 connecting devices.

Detailed description of the invention

Also by reference to the accompanying drawings this utility model is described in further detail below by specific embodiment.

Embodiment one

See Fig. 1, this utility model embodiment one provides a kind of antibacterial cap 1, comprises sealing cap body 10, connecting band 11 and connecting device 12;

Described sealing cap body can have two kinds of structures: namely described sealing cap body can form by adding nano silver material injection molding; Or be provided with a slice in the cap of described sealing cap body and add nanometer silver or antibiotic foam sheet, form aseptic area;

Female thread can also be provided with in described sealing cap body (structure of screw thread is not also set simultaneously, can directly be connected with calparine cap), described female thread can be connected with calparine cap 2 (see also Fig. 2) one end or needleless joint 5 (see also Fig. 3) threaded one end; One end of described connecting band 11 is fixed on the bottom of described sealing cap body 10, and the other end of described connecting band 11 is fixedly connected with connecting device 12;

Described connecting device 12 is also fixedly connected with expended tube of catheter 4 (prolongation of conduit base 3 is expended tube of catheter 4).

Preferably, described connecting device is clamp.

Preferably, described sealing cap body is PE, PP, PET part.

It should be noted that, for overcoming existing calparine cap, concora crush needleless joint, positive pressure needle-free joint, the fluid infusion port deficiency in fungi-proofing, the antibacterial cap that this utility model provides, when using conduit, antibacterial cap is taken off from calparine cap, concora crush needleless joint, positive pressure needle-free joint or fluid infusion port; At conduit, the used time can not to be buckled on calparine cap, concora crush needleless joint or positive pressure needle-free joint feed liquor port and to be made it sealing and is isolated from the outside, thus utilize the bacteriostasis antibiosis function of antibacterial cap, above-mentioned conduit feed liquor port forms an antibacterial district, antibacterial in above-mentioned conduit feed liquor port existence and cannot be bred, effectively can reduce the catheter-related Infections: Clinical Study caused because joint pollutes, simplify nursery work simultaneously, and avoid the joint brought out because of ethanol and to break leakage and produce various problem.

It should be noted that, above-mentioned connecting band effectively can ensure that sealing cap body can not depart from or come off in other antihygienic places, ensure that the hygiene of sealing cap body.

With this simultaneously, sealing cap body is PE, PP, PET part, it should be noted that, medical plastic refers to and reaches other plastics of medical grade sanitation-grade, several plastics few in number are only had to accomplish, such as PE (polyethylene (polyethylene, be called for short PE) be that ethylene is through being polymerized obtained a kind of thermoplastic resin), PP (polypropylene, a kind of thermoplastic resin obtained by propylene polymerization), (polyethylene terephthalate is topmost kind in thermoplastic polyester to PET, English by name Polythylene terephthalate is called for short PET or PEIT (following or be called PET), be commonly called as polyester resin), PU etc.The biocompatibility of the sealing cap body of above-mentioned material is general, silica gel of comparing, and nature can avoid a large amount of bacterial reproduction, decreases antibacterial and remains, ensure that health care and medical safety.

The size characteristic of above-mentioned sealing cap body is not specifically limited, and its size can adapt with structures such as the needleless joint of various sizes size, calparine caps, ensures supporting compatibility when it uses.

In addition, in the process of injection moulding, with the addition of nano silver material apply antibiotic as additive or on the antibacterial cap finished product of non-plus nano silver, make it have the function of bacteriostasis antibiosis, thus reach the effect of bacteriostasis antibiosis.In the scope that it covers, form an antibacterial region, thus protect and make various infusion connector feed liquor port reach aseptic.Antibacterial cap there is a device be connected with expended tube of catheter, facilitate antibacterial cap to be still connected with extension tube when calparine cap or positive pressure needle-free joint take off, make it not easily lose and pollute and can repeatedly use.

Concrete operation method is as follows: patient is after use (namely inserting) conduit, first antibacterial cap is connected together with extension tube by its connecting device, then antibacterial cap is buckled on calparine cap or needleless joint feed liquor port, use during conduit and antibacterial cap can be taken off from calparine cap, needleless joint or fluid infusion port, then transfusion work is carried out, after transfusion work is finished the work, with normal saline cleaning joint feed liquor port, and buckle antibacterial cap in the not dry situation of normal saline.Antibacterial cap can form an antibacterial district in catheter adapter, reduces catheter infections.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (3)

1. an antibacterial cap, is characterized in that,

Comprise sealing cap body, connecting band and connecting device; Described sealing cap body can form by adding nano silver material injection molding; Or be provided with a slice in the cap of described sealing cap body and add nanometer silver or antibiotic foam sheet, form aseptic area;

Also be provided with female thread in described sealing cap body, described female thread can be connected with calparine cap one end or needleless joint threaded one end; One end of described connecting band is fixed on the bottom of described sealing cap body, and the other end of described connecting band is fixedly connected with connecting device;

Described connecting device is also fixedly connected with expended tube of catheter.

2. antibacterial cap as claimed in claim 1, is characterized in that,

Described connecting device is clamp.

3. antibacterial cap as claimed in claim 2, is characterized in that,

Described sealing cap body be in PE, PP, PET, PU working of plastics any one.