CN208626341U - Infusion sterilizer - Google Patents

Abstract

The utility model discloses a kind of infusion sterilizers, including the sleeve for accommodating medicament, it is plugged in barrel bore for the rubber packet header by being used to seal between push rod and sleeve in push rod front end in the push rod and build-in that are pushed in barrel bore with the enclosure space volume realization negative pressure push of compression sleeve, barrel forward end is equipped with for being vented, drain or the adapter component for connecting injection needle, for being connect with transfusion instrument positive pressure connector to inject the female fitting component of disinfectant or medicament and for being opened by axially pressing to inject disinfectant, inject the male fitting component of medicament or exhaust.Infusion sterilizer inner cavity can obtain thorough disinfection；It enables to be parched acceleration by disinfection joint surface disinfectant, reduces the purpose of disinfectant time to be done, transfusion operation personnel is allowed to timely use injecting liquid drug, reduce operation difficulty.

Description

Infusion sterilizer

Technical field

The utility model relates to the field of medical instrument technology, particularly, are related to a kind of infusion sterilizer.

Background technique

Conduit related blood stream infections (CRBSI) are as caused by catheter in blood vessel microorganism, are the most common ICU related One of sexuality dye, and clinically lead to one of the main reason of severe sufferer death, while also considerably increasing medical shield Manage cost.According to the research report of U.S. CDC disease prevention and control center, every year since infusion causes cases of infection to be up to 500,000 Example (an example occurs for average minute clock), every year since infusion causes infectious age to reach 12~25%, lethality close to 1/4, Every year since the nursing expense for the treatment of infection accounts for the 44% of medical totle drilling cost.

Emphasize in CDC2011 " prevention catheter in blood vessel infections relating guide ": pipe joint is known conduit phase The source of bloodstream infection is closed, needleless joint is the position for generating biological pollution.Therefore, the protection of medical catheter connector and disinfection tool It is of great importance.Disease control has issued a series of nursing requirement and process with regard to the prevention of CRBSI with control prevention center, including Hand hygiene, catheter end nursing and additive disinfection etc..But this there is no change in the past in 10 years CRBSI in medical system In threat degree.Shown in clinical process according to U.S.'s correlative study, 46% infusion end is not sterilized effectively Processing.

Conduit is by having been found have certain effect to prevention CRBSI after dipping antimicrobial media, but there is no change completely It is apt to this phenomenon, some germs even can generate tolerance to antimicrobial media and conduit antibacterial action is made to fail.

On the other hand, after disinfection, thimerosal stands that the time to be done is long naturally, and the difficulty of transfusion operation is caused to increase Greatly.

Utility model content

The utility model provides a kind of infusion sterilizer, is difficult to thorough disinfection to solve existing infusion apparatus；After disinfection Time to be done long the technical issues of leading to the increase of transfusion operation difficulty.

The utility model provides a kind of infusion sterilizer, including for accommodating medicament sleeve, be plugged in barrel bore For by pushed in barrel bore with the enclosure space volume of compression sleeve realize negative pressure push push rod and build-in in Push rod front end is used for the rubber packet header sealed between push rod and sleeve, and barrel forward end is equipped with for being vented, drain or connection are injected The adapter component of needle, for being connect with transfusion instrument positive pressure connector with inject disinfectant or medicament female fitting component and For being opened by axially pressing to inject the male fitting component of disinfectant, injection medicament or exhaust.

Further, adapter component includes that the straight-through head for being connected to barrel bore and grafting are covered in straight-through head opening On straight-through lid；Straight-through lid is connected as entirety by the side wall of connector and straight-through head；The inner cavity radial dimension setting of straight-through head The flaring vestibule being gradually reduced for ecto-entad.

Further, female fitting component include the connecting tube for being connected to barrel bore, in connecting tube pipe end for leading to It crosses the famale connector of bore seal connection and is sealedly attached in famale connector inner cavity for covering famale connector or extension famale connector The switching skull of opening size；The overall structure that connecting tube and famale connector are integrated, connecting tube stretch in famale connector and pass through Fixed inner ring is fixed on the inner sidewall of famale connector inner cavity；On famale connector inner wall between fixed inner ring and famale connector opening Part be equipped with for is tightly connected assemble inner wall connecting structure.

Further, male fitting component includes that the intermediate tube for being connected to barrel bore, the sun in intermediate tube end connect Head, outside the intermediate tube and contact is arranged in the fitting sleeve on male contact side wall and on the outside of male contact and contact is in fitting sleeve Side wall surface is used to cover male contact or the external external skull of male contact.

Further, male contact opening position is equipped with taper plug, and taper plug is connected to male contact by spring In inner cavity, the side wall surface of the two-end part of taper plug passes through seal washer respectively and the inner wall of male contact is tightly connected；Sun Connector lateral wall is equipped with external seal connecting structure.

Further, external skull includes outer shell for being set in outside male contact and axially penetrates through along outer shell outer The outer of sheath body connects pipe, connects pipe outside and is fixed on the inner wall of outer shell by housing fixed ring, outer shell inner wall is in Position between housing fixed ring and housing shell opener is provided with for matching the interior connecting structure connecting with male contact；It connects outside The overall structure that pipe, housing fixed ring and outer shell are integrated.

Further, push rod includes the cake end, axially connecting in the biography on the central axis of cake end for thumb press Power bar is set to transmission rod side wall along axial direction and circumferentially uniformly arranges for guaranteeing transmission rod warping resistance intensity and shear strength Length it is stupefied and in transmission rod front end be used for connect with rubber packet header build-in and guarantee in rubber packet header stablize support cone Shape snap fit connector；Or push rod includes being connected to cake end for the cake end of thumb press, along cake end surfaces vertical direction On for guaranteeing that the length of warping resistance intensity and shear strength is stupefied and stupefied is used in long with front end and rubber packet header build-in connects Connect and guarantee in rubber packet header stablize support taper snap fit connector, multiple length it is stupefied circumferentially it is uniform arrangement and in push rod It is interconnected on axis.

Further, the outer side surface at cake end is equipped with for providing sense of touch with the anti-skid chequer of accurate push control, length The side that stupefied upper and sleeve lining face paste is closed is offered for guaranteeing push rod push mechanical property and alleviating the notch of push resistance； Long stupefied front end is additionally provided with the baffle for being covered on long stupefied end, continues to employ between baffle and taper snap fit connector embedding for rubber packet header Gu in taper snap fit connector and coating the card slot of taper snap fit connector；The one end at long stupefied close cake end is provided for guaranteeing Push rod pushes mechanical property and alleviates the bevel edge of push resistance.

Further, the lateral surface in rubber packet header is equipped at least three and circumferentially surrounds in the external application of rubber packet header in rubber It is sealed between packet header and sleeve and guarantees that rubber packet header is axially moved the sealing ring of stability；Rubber packet header inner cavity is set as and pushes away The embedded slot that bar front end shape matches, rubber packet header front end face are set as matching with barrel bore front end for guaranteeing propulsive liquid The male cone (strobilus masculinus) of Shi Lixue guiding.

Further, sleeve includes the outer rim for finger pressing and the cylinder for being used to form internal cavities；Before cylinder End is set as the conical head for being conducive to be vented when propulsive liquid.

The utility model has the following beneficial effects:

The utility model infusion sterilizer, by barrel forward end be respectively set adapter component, female fitting component and Male fitting component three classes joint assembly, anesthesia needle joint assembly and male fitting component are disappeared using the connection of female fitting component Toxic agent output equipment forms barrel bore and is directly connected directly logical closed cavity with disinfectant output equipment, pushed away by pulling Bar forms the negative pressure of vacuum in sleeve to aspirate disinfectant, to barrel bore, adapter component inner cavity, female fitting component inner cavity And male fitting component inner cavity carries out adequate disinfection, and can be opened by the selectivity of adapter component and male fitting component It closes even if excluding the air bubble in sleeve, so that the disinfection dead angle in disinfection infusion sterilizer inner cavity is eliminated, so that entire infusion Sterilizer inner cavity comes into full contact with disinfectant, reaches the purpose of infusion sterilizer inner cavity thorough disinfection.After sanitized, by opening Female fitting component and selective opening adapter component and male fitting component are put, and by pushing and pulling push rod repeatedly, and it is anti- Reproduce the negative pressure of raw barrel bore and by adapter component, female fitting component and the timely suction air band of male fitting component Disinfectant is walked, so that being parched acceleration by disinfection joint surface disinfectant, to achieve the purpose that reduce the disinfectant time to be done, is made Injecting liquid drug can be timely used by obtaining transfusion operation personnel, reduce operation difficulty；Thimerosal when infusion is avoided to immerse tissue.Infusion When sterilizer transfusion operation, medical fluid can be absorbed using adapter component assembly syringe needle, can also using female fitting component or Male fitting component injects medical fluid；When in sleeve, there are when bubble, adapter component, female fitting component or the positive can be passed through Any of joint assembly is vented in time, is avoided medical fluid loss when exhaust, is improved medication accuracy.

Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model Point.Below with reference to figure, the utility model is described in further detail.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing In:

Fig. 1 is the structural schematic diagram of the infusion sterilizer of the preferred embodiment in the utility model；

Fig. 2 is the structural schematic diagram of the adapter component of the preferred embodiment in the utility model；

Fig. 3 is the structural schematic diagram of the female fitting component of the preferred embodiment in the utility model；

Fig. 4 is the structural schematic diagram of the male fitting component of the preferred embodiment in the utility model；

Fig. 5 is the structural schematic diagram of the push rod of the preferred embodiment in the utility model；

Fig. 6 is the structural schematic diagram in the rubber packet header of the preferred embodiment in the utility model；

Fig. 7 is the structural schematic diagram of the sleeve of the preferred embodiment in the utility model.

Marginal data:

1, sleeve；101, outer rim；102, cylinder；103, conical head；2, push rod；201, cake end；2011, anti-skid chequer； 202, transmission rod；203, length is stupefied；2031, notch；2032, bevel edge；204, taper snap fit connector；205, baffle；206, card slot；3, Rubber packet header；301, sealing ring；302, embedded slot；303, male cone (strobilus masculinus)；4, adapter component；401, head is led directly to；402, lid is led directly to； 403, connector；404, it is flared vestibule；5, female fitting component；501, connecting tube；502, famale connector；503, switching skull； 504, fixed inner ring；505, inner wall connecting structure；6, male fitting component；601, intermediate tube；602, male contact；6021, taper Plug；6022, spring；6023, seal washer；6024, external seal connecting structure；603, fitting sleeve；604, external skull； 6041, outer shell；6042, pipe is connected outside；6043, housing fixed ring；6044, interior connecting structure.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by following The multitude of different ways for limiting and covering is implemented.

Fig. 1 is the structural schematic diagram of the infusion sterilizer of the preferred embodiment in the utility model；Fig. 2 is that the utility model is preferred The structural schematic diagram of the adapter component of embodiment；Fig. 3 is the structure of the female fitting component of the preferred embodiment in the utility model Schematic diagram；Fig. 4 is the structural schematic diagram of the male fitting component of the preferred embodiment in the utility model；Fig. 5 is that the utility model is excellent Select the structural schematic diagram of the push rod of embodiment；Fig. 6 is the structural schematic diagram in the rubber packet header of the preferred embodiment in the utility model；Figure 7 be the structural schematic diagram of the sleeve of the preferred embodiment in the utility model.

As shown in Figure 1, the infusion sterilizer of the present embodiment, including for accommodating medicament sleeve 1, be plugged in sleeve 1 In chamber for by pushed in 1 inner cavity of sleeve with the enclosure space volume of compression sleeve 1 realize negative pressure push push rod 2 and Build-in is used for rubber packet header 3 for sealing between push rod 2 and sleeve 1 in 2 front end of push rod, and 1 front end of sleeve is equipped with for being vented, drain Or connect the adapter component 4 of injection needle, for being connect with transfusion instrument positive pressure connector to inject the feminine gender of disinfectant or medicament Joint assembly 5 and for by axially press open with inject disinfectant, injection medicament or exhaust male fitting component 6. The utility model infusion sterilizer is connect by the way that adapter component 4, female fitting component 5 and the positive is respectively set in 1 front end of sleeve 6 three classes joint assembly of head assembly, anesthesia needle joint assembly 4 and male fitting component 6 are connected using female fitting component 5 and are sterilized Agent output equipment forms 1 inner cavity of sleeve and is directly connected directly logical closed cavity with disinfectant output equipment, by pulling push rod 2 form the negative pressure of vacuum in sleeve 1 to aspirate disinfectant, to 1 inner cavity of sleeve, 4 inner cavity of adapter component, female fitting component 5 Inner cavity and 6 inner cavity of male fitting component carry out adequate disinfection, and can pass through adapter component 4 and male fitting component 6 Even if selectivity opening and closing excludes the air bubble in sleeve 1, so that the disinfection dead angle in disinfection infusion sterilizer inner cavity is eliminated, so that Entire infusion sterilizer inner cavity comes into full contact with disinfectant, reaches the purpose of infusion sterilizer inner cavity thorough disinfection.Sanitized Afterwards, by open female fitting component 5 and selective opening adapter component 4 and male fitting component 6, and by pushing away repeatedly Pulling-pushing rod 2, and be iteratively produced the negative pressure of 1 inner cavity of sleeve and pass through adapter component 4, female fitting component 5 and male fitting group The timely suction air of part 6 takes away disinfectant, so that acceleration is parched by disinfection joint surface disinfectant, to reach reduction disinfectant The purpose of time to be done allows transfusion operation personnel to timely use injecting liquid drug, reduces operation difficulty；It avoids disappearing when infusion Venom immerses tissue.When infusion sterilizer transfusion operation, syringe needle can be assembled using adapter component 4 and absorb medical fluid, it can also be with Medical fluid is injected using female fitting component 5 or male fitting component 6；When in sleeve 1, there are when bubble, adapter group can be passed through Any of part 4, female fitting component 5 or male fitting component 6 are vented in time, are avoided medical fluid loss when exhaust, are mentioned High medication accuracy.

As depicted in figs. 1 and 2, in the present embodiment, adapter component 4 include be connected to the straight-through head 401 of 1 inner cavity of sleeve with And grafting is covered in the straight-through lid 402 in the straight-through opening of head 401.Convenient discouraged bleeding, when in favor of sterilizing or be infused Air bubble overflows.It is also capable of providing enclosure space simultaneously, in favor of standing disinfection, reduces cross-infection and pollution.Straight-through lid 402 Entirety is connected as by the side wall of connector 403 and straight-through head 401.It is alternatively possible to which structure is whole using integrated injection molding Good, the good airproof performance of property.The inner cavity radial dimension of straight-through head 401 is set as the flaring vestibule 404 that ecto-entad is gradually reduced.It can It is formed and is pumped into towards the high speed in sleeve 1 and slowly exports.

As shown in figures 1 and 3, in the present embodiment, female fitting component 5 includes the connecting tube for being connected to 1 inner cavity of sleeve 501, the famale connector 502 that connects by bore seal is used in 501 pipe end of connecting tube and be sealedly attached in famale connector 502 For covering famale connector 502 or extending the switching skull 503 of 502 opening size of famale connector in chamber.It when not in use can be into Row sealing closing, to not influence the use function of other connectors, while providing closing inner chamber space for sleeve 1.Switching skull 503, it can according to need the connector intercommunication mutual connection for carrying out different bores, to expand the scope of application and use function.It can root According to needing to make up a prescription at 502 position of famale connector, avoid infusion connector frequently uses caused cross-infection and pollution, mentions High safety in utilization.The overall structure that connecting tube 501 and famale connector 502 are integrated.It is alternatively possible to using integrated injection molding at Type, structural integrity is good, good airproof performance.Connecting tube 501 stretches in famale connector 502 and is fixed on yin by fixed inner ring 504 On the inner sidewall of 502 inner cavity of connector.It can be improved the leakproofness and structural stability of structure.On 502 inner wall of famale connector Part between fixed inner ring 504 and the opening of famale connector 502 is equipped with the inner wall connecting structure 505 for being tightly connected assembly. In favor of sealing structure connection.

As shown in Figure 1 and Figure 4, in the present embodiment, male fitting component 6 includes the intermediate tube for being connected to 1 inner cavity of sleeve 601, male contact 602 in 601 end of intermediate tube, outside intermediate tube 601 and contact is in the connector on 602 side wall of male contact Set 603 and be arranged on the outside of male contact 602 and contact in 603 side wall surface of fitting sleeve for covering male contact 602 or male contact 602 external external skulls 604.It is capable of forming axial rock-steady structure support, structural stability is good.Male contact can be passed through 602 realize that the housing jointing of different structure carries out mutual connection each other, improve the practicability of infusion sterilizer.Optionally, positive Joint assembly 6 includes the intermediate tube 601 for being connected to 1 inner cavity of sleeve, the male contact 602 in 601 end of intermediate tube, is set to centre Outside pipe 601 and contact is in the fitting sleeve 603 on 602 side wall of male contact.Due to male contact 602, itself structure can pass through spring 6022 realize that channel is self-locking with taper plug 6021, therefore can also be not provided with external skull 604, can when needing external connection With by external skull 604 it is external or switching.

As shown in Figure 1 and Figure 4, in the present embodiment, male contact 602 is open position equipped with taper plug 6021.Taper plug 6021 are resiliently attached in 602 inner cavity of male contact by spring 6022.The self-closed function of taper plug 6021 is constituted, is guaranteed The sealing structure of connector.As long as intercommunication can be realized in pressing taper plug 6021 when in use.The both ends of taper plug 6021 The side wall surface at position passes through seal washer 6023 respectively and the inner wall of male contact 602 is tightly connected.It can be improved connecting portion Leakproofness, while constituting radial structure limit to form the stabilization guiding role being axially moved to taper plug 6021. 602 lateral wall of male contact is equipped with external seal connecting structure 6024.Structure connectivity is improved, structure is facilitated to connect.

As shown in Figure 1 and Figure 4, in the present embodiment, external skull 604 includes the housing for being set in outside male contact 602 Shell 6041 and the outer of outer shell 6041 is axially penetrated through along outer shell 6041 connect pipe 6042.It is convenient to be connected to external pipeline.Outside Pipe 6042 is connected to be fixed on the inner wall of outer shell 6041 by housing fixed ring 6043.Structural stability is good, warping resistance It can be good.6041 inner wall of outer shell be in housing fixed ring 6043 and outer shell 6041 opening between position be provided with for The interior connecting structure 6044 of the matching connection of male contact 602.Structure is facilitated to interconnect.Outside connect pipe 6042, housing fixed ring 6043 with And the overall structure that outer shell 6041 is integrated.Structural integrity is good, good airproof performance.Preferably, it is solid that pipe 6042, housing are connected outside The overall structure of integrated injection molding can be used by determining ring 6043 and 6041 three of outer shell.

As shown in Figure 1 and Figure 5, in the present embodiment, push rod 2 includes the cake end 201, axially connecting for thumb press In on 201 central axis of cake end transmission rod 202, along axial be set to 202 side wall of transmission rod and circumferentially uniformly arrange for protecting It demonstrate,proves the length stupefied 203 of 202 warping resistance intensity of transmission rod and shear strength and is used for and rubber packet header in 202 front end of transmission rod 3 build-ins connect and guarantee the taper snap fit connector 204 for stablizing support in rubber packet header 3.Optionally, push rod 2 includes being used for thumb Refer to the cake end 201 of pressing, be connected on cake end 201 along 201 surface vertical direction of cake end for guaranteeing warping resistance intensity It is used to connect and guarantee in rubber with 3 build-in of rubber packet header with front end with the length of shear strength stupefied 203 and in length stupefied 203 Stablize the taper snap fit connector 204 of support in packet header 3, multiple length stupefied 203 circumferentially uniformly arrange and on the central axes of push rod 2 Interconnection.The outer side surface at cake end 201 is equipped with for providing sense of touch with the anti-skid chequer 2011 of accurate push control.Long stupefied 203 The upper side being bonded with 1 inner wall of sleeve is offered for guaranteeing that push rod 2 pushes the notch of mechanical property and alleviation push resistance 2031.Long stupefied 203 front end is additionally provided with the baffle 205 for being covered on long stupefied 203 end.Baffle 205 and taper snap fit connector 204 it Between continue to employ the card slot 206 that taper snap fit connector 204 is mounted in taper snap fit connector 204 and coated for rubber packet header 3.Length is stupefied 203 are provided for guaranteeing the bevel edge that push rod 2 pushes mechanical property and alleviation push resistance close to the one end at cake end 201 2032。

As shown in figures 1 to 6, in the present embodiment, the lateral surface in rubber packet header 3 be equipped at least three circumferentially surround in For being sealed between rubber bag head 3 and sleeve 1 and guaranteeing that rubber packet header 3 is axially moved the sealing ring of stability outside rubber packet header 3 301.3 inner cavity of rubber packet header is set as the embedded slot 302 to match with 2 front end shape of push rod.3 front end face of rubber packet header is set as The male cone (strobilus masculinus) 303 that mechanics is oriented to when matching with 1 inner cavity front end of sleeve for guaranteeing propulsive liquid.

As shown in Figure 1 and Figure 7, in the present embodiment, sleeve 1 includes the outer rim 101 for finger pressing and is used to form The cylinder 102 of internal cavities.102 front end of cylinder is set as the conical head 103 for being conducive to be vented when propulsive liquid.

When implementation, the sterilization method of infusion sterilizer, using above-mentioned infusion sterilizer, specifically includes the following steps: closing Adapter component 4 opens female fitting component 5；The out splice going splice of disinfectant output equipment is connected on female fitting component 5, Push rod 2 to 1 end of sleeve is pulled to be pumped into disinfectant；1 front end direction of sleeve opens adapter component 4 and/or male fitting component 6 and push push rod 2 empty sleeve 1 in air bubble, anesthesia needle joint assembly 4 and/or male fitting component 6 pull on push rod 2 suction disinfectants, it is repeated multiple times until air bubble disappears in sleeve 1；Disinfectant stands adequate disinfection；Disassembly disinfectant output is set Standby out splice going splice, opens adapter component 4 and/or male fitting component 6, and push push rod 2 discharges the disinfection in 1 inner cavity of sleeve Agent；Push-and-pull push rod 2 generates the negative pressure of 1 inner cavity of sleeve repeatedly, so that 1 surface of internal cavity of sleeve, 4 surface of internal cavity of adapter component, yin Property 6 surface of internal cavity of 5 surface of internal cavity of joint assembly and male fitting component disinfectant parch acceleration, solve to be infused after disinfection to disappear The problem of malicious device inner cavity time length to be felt.

A kind of infusion sterilizer is provided, disinfectant uses at least one below:

1. 75% isopropanol water solution；

2. 2% chlorhexidine gluconate ethanol solution (2 months babies of age < are used with caution)；

3. effective iodine concentration is not less than 0.5% Iodophor；

4. 2% tincture of iodine solution and 75% alcohol；

5. compound 70% ethyl alcohol of 2% chlorhexidine gluconate: quick acting, time saving quick-drying, enhancing dressing are pasted, are persistently pressed down Bacterium residual activity is long, is convenient for observation.

Infusion sterilizer includes with flowering structure:

Push rod 2, including following structure feature:

1., there is anti-skid chequer at cake end 201, thumb hand top position；

2. push rod 2 uses four long stupefied 203 proof strength；

3. jagged 2031 in push rod 2 four long stupefied 203, the length of push rod 2 easily leads to power does not lead to push rod 2 on central axes Have offset, notch 2031 can guarantee that mechanical property is good and be pushed into smooth not dry and astringent when promoting；

4. the baffle 205 of patty guarantees that this can be terminated in when rubber packet header 3 is assembled；

5. card slot 206, clamped position is assembled in rubber packet header 3；

6. taper snap fit connector includes patty structure and four stupefied structures, patty structure is for assembling rubber packet header 3；Four Stupefied structure forms taper to guarantee the support in rubber packet header 3.

Rubber packet header 3, including following structure feature:

1. three sealing rings guarantee sealing；

2. front end is that taper guarantees that mechanics is oriented to when propulsive liquid.

Sleeve 1, including following structure feature:

1. outer rim 101, index finger, middle finger press pressing position；

2. the cylinder 102 of sleeve 1,102 head of cylinder is taper, is conducive to exhaust when propulsive liquid.

Adapter component 4, including following structure feature:

1. straight-through head 401 is straight, it can be used as injection needle assembly and use position；

2. straight-through lid 402, when not in use for straight-through 401 closed state of head.

Female fitting component 5 (equipped with switching skull 503), including following structure feature:

1. famale connector can be connect with transfusion instrument positive pressure connector etc.；

2. skull of transferring is closed when unused with female fitting.

Male fitting component 6, including following structure feature:

1. male contact 602；

2. seal washer 6023；

3. spring 6022；

4. fitting sleeve 603.

A kind of infusion sterilizer of the utility model, for solving the disinfectant of the general needleless joint in infusion medical instrument The problem of immersing type disinfection (cooperation disinfectant use)；Long, the manual rear pulling-pushing rod for the time to be done after solving the problems, such as disinfection Negative pressure is generated, so that being parched acceleration by disinfection joint surface disinfectant；Thimerosal when infusion is avoided to immerse tissue.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of infusion sterilizer, including for accommodating medicament sleeve (1), be plugged in the sleeve (1) inner cavity for leading to It crosses and is pushed in the sleeve (1) inner cavity to compress the push rod (2) that the enclosure space volume of the sleeve (1) realizes negative pressure push And the rubber packet header (3) that build-in is used to seal between the push rod (2) and the sleeve (1) in the push rod (2) front end,

It is characterized in that,

Sleeve (1) front end is equipped with for being vented, drain or connects the adapter component (4) of injection needle, is used for and infusion apparatus Tool positive pressure connector is connected to inject the female fitting component (5) of disinfectant or medicament and for being opened by axially pressing to infuse Enter the male fitting component (6) of disinfectant, injection medicament or exhaust.

2. infusion sterilizer according to claim 1, which is characterized in that

The adapter component (4) include be connected to the sleeve (1) inner cavity straight-through head (401) and grafting be covered in it is described Straight-through lid (402) in straight-through head (401) opening；

The straight-through lid (402) is connected as entirety by the side wall of connector (403) and the straight-through head (401)；

The inner cavity radial dimension of the straight-through head (401) is set as the flaring vestibule (404) that ecto-entad is gradually reduced.

3. infusion sterilizer according to claim 1, which is characterized in that

The female fitting component (5) includes the connecting tube (501) for being connected to the sleeve (1) inner cavity, in the connecting tube (501) famale connector (502) and be sealedly attached in the famale connector (502) inner cavity that pipe end is used to connect by bore seal For covering the switching skull (503) of the famale connector (502) or extension famale connector (502) opening size；

The overall structure that the connecting tube (501) and the famale connector (502) are integrated, the connecting tube (501) stretch to institute It states in famale connector (502) and is fixed on the inner sidewall of the famale connector (502) inner cavity by fixed inner ring (504)；

Portion on famale connector (502) inner wall between the fixed inner ring (504) and the famale connector (502) opening It is arranged with the inner wall connecting structure (505) for being tightly connected assembly.

4. infusion sterilizer according to claim 1, which is characterized in that

The male fitting component (6) includes the intermediate tube (601) for being connected to the sleeve (1) inner cavity, in the intermediate tube (601) male contact (602) of end, be set to the intermediate tube (601) outside and contact in connecing on the male contact (602) side wall It headgear (603) and is arranged on the outside of the male contact (602) and contact is used to cover institute in the fitting sleeve (603) side wall surface State male contact (602) or the external external skull (604) of the male contact (602).

5. infusion sterilizer according to claim 4, which is characterized in that

Male contact (602) opening position is equipped with taper plug (6021),

The taper plug (6021) is resiliently attached in the male contact (602) inner cavity by spring (6022),

The side wall surface of the two-end part of the taper plug (6021) passes through seal washer (6023) and the male contact respectively (602) inner wall is tightly connected；

Male contact (602) lateral wall is equipped with external seal connecting structure (6024).

6. infusion sterilizer according to claim 4, which is characterized in that

The external skull (604) includes for being set in the outer outer shell (6041) of the male contact (602) and along described Outer shell (6041) axially penetrates through the outer of the outer shell (6041) and connects pipe (6042),

Described outer connect pipe (6042) are fixed on the inner wall of the outer shell (6041) by housing fixed ring (6043),

Outer shell (6041) inner wall is between the housing fixed ring (6043) and the outer shell (6041) opening Position be provided with for matched with the male contact (602) connection interior connecting structure (6044)；

The outer whole knot for connecting pipe (6042), the housing fixed ring (6043) and the outer shell (6041) and being integrated Structure.

7. infusion sterilizer according to any one of claim 1 to 6, which is characterized in that

The push rod (2) includes the cake end (201), axially connecting in cake end (201) center for thumb press Transmission rod (202) on axis is set to the transmission rod (202) side wall and circumferentially uniformly arranges for guaranteeing the biography along axial Power bar (202) warping resistance intensity and the length of shear strength stupefied (203) and in the transmission rod (202) front end be used for and institute Rubber packet header (3) build-in is stated to connect and guarantee the taper snap fit connector (204) for stablizing support in the rubber packet header (3)；Or Person

The push rod (2) includes connecting for the cake end (201) of thumb press, along cake end (201) the surface vertical direction It connects the length stupefied (203) on the cake end (201) for guaranteeing warping resistance intensity and shear strength and is in the length Stupefied (203) are used to connect and guarantee with rubber packet header (3) build-in to stablize support in the rubber packet header (3) with front end Taper snap fit connector (204), multiple length stupefied (203) circumferentially uniformly arrangement and on the central axes of the push rod (2) mutually Connection.

8. infusion sterilizer according to claim 7, which is characterized in that

The outer side surface of the cake end (201) is equipped with the anti-skid chequer (2011) controlled for providing sense of touch with accurate push,

The side being bonded in the length stupefied (203) with the sleeve (1) inner wall is offered for guaranteeing that the push rod (2) push Mechanical property and the notch (2031) for alleviating push resistance；

The front end of the length stupefied (203) is additionally provided with the baffle (205) for being covered on stupefied (203) end of the length,

Continue to employ between the baffle (205) and the taper snap fit connector (204) be mounted in for the rubber packet header (3) it is described In taper snap fit connector (204) and coat the card slot (206) of the taper snap fit connector (204)；

The length stupefied (203) is provided for guaranteeing that the push rod (2) push mechanical property close to one end of the cake end (201) It can and alleviate the bevel edge (2032) of push resistance.

9. infusion sterilizer according to any one of claim 1 to 6, which is characterized in that

The lateral surface of the rubber packet header (3) is equipped at least three and circumferentially surrounds in the rubber packet header (3) outside for institute State the sealing ring for sealing and guaranteeing that the rubber packet header (3) is axially moved stability between rubber packet header (3) and the sleeve (1) (301)；

Rubber packet header (3) inner cavity is set as the embedded slot (302) to match with the push rod (2) front end shape,

Mechanics when rubber packet header (3) front end face is set as matching with the sleeve (1) inner cavity front end for guaranteeing propulsive liquid The male cone (strobilus masculinus) (303) of guiding.

10. infusion sterilizer according to any one of claim 1 to 6, which is characterized in that

The sleeve (1) includes the outer rim (101) for finger pressing and the cylinder (102) for being used to form internal cavities；

Cylinder (102) front end is set as the conical head (103) for being conducive to be vented when propulsive liquid.