CN102802692B - Medical device for liquid communication - Google Patents
Medical device for liquid communication Download PDFInfo
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- CN102802692B CN102802692B CN201080025872.3A CN201080025872A CN102802692B CN 102802692 B CN102802692 B CN 102802692B CN 201080025872 A CN201080025872 A CN 201080025872A CN 102802692 B CN102802692 B CN 102802692B
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- male connector
- liquid communication
- connector
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
- A61M39/162—Tube connectors; Tube couplings having provision for disinfection or sterilisation with antiseptic agent incorporated within the connector
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
- A61M39/165—Shrouds or protectors for aseptically enclosing the connector
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Urology & Nephrology (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- External Artificial Organs (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A medical device for forming a liquid communication path, comprising: joining members (1, 3) for forming the communication flow path between objects to be communicated with each other; and a protective cap (2) having a tubular shape with a closed end, holding a germicide-impregnated member (18) at the deepest end of the protective cap, and capable of being mounted to at least one of the joining members which are being separated from each other. The inner peripheral surface of the protective cap forms a space (19) for surrounding the tip of the joining member, and the dimensional relationship between the joining member and the protective cap is set so that the germicide-impregnated member faces the tip of the joining member with a spacing between the members. A sealing member (8) is mounted to the inner peripheral surface of the opening end of the protective cap or to the outer peripheral surface of that portion of the joining member which corresponds to the opening end of the protective cap, and when the protective cap is in a mounted state, the sealing member is pressed between the outer peripheral surface of the joining member and the inner peripheral surface of the protective cap to form an airtight structure for the space. The mounting of the cap on the joining member effectively sterilizes the tip of the joining member and, in addition, avoids leakage of the germicide due to the contact of the joining member with the germicide-impregnated member.
Description
Technical field
The present invention relates to the electrical connector that is such as used for connecting therapeutic medical pipe such, be used for by making the bonded block be arranged on respectively on the unit being communicated with object be combined with each other and form the medicinal liquid communication apparatus being communicated with stream.In particular to comprise the bonded block that can be arranged on the state be separated from each other at least one on, possess the fluid connection device of the structure of the protective cap of sterilizing function.
Background technology
As the therapeutic medical adapter of an example of medicinal liquid communication apparatus, there will be a known such as peritoneal dialysis with dialysis solution change time be used for the adapter that is connected with the bag that dialysis solution is housed patient side transfer tube (extension tube).Peritoneal dialysis (PD) therapy is the therapy of contaminant filter dialysis solution being stored in intraperitoneal via the peritoneal catheter of heeling-in in advance in the abdominal cavity of patient in surgery, utilizing the blood capillary of peritoneum to accumulate in vivo.Daily life is carried out under patient is connected to the transfer tube (extension tube) used continuously state in the external side of peritoneum perfusion catheter.Further, patient self is secondary to be more than a day connected on the front end of transfer tube by dialyzate bag, changes Intraabdominal dialysis solution.
Carrying out becoming problem most in this peritoneal dialysis: when dialysis solution that this repeatedly carries out for 1 day is changed, making in air or the antibacterial be attached on skin enters into intraperitoneal together with dialysis solution by mistake.If antibacterial enters into intraperitoneal, then likely peritoneum is inflamed and suffers from peritonitis.
So, when carrying out peritoneal dialysis importantly: for the adapter be arranged in order to the connection with dialyzate bag on the front end of transfer tube, reduce the pollution brought by antibacterial.When sterilizing to utensil or tissue etc., usually use betagen solution.In the case, conventional method is coating solution and make it act on object.Thus, when medical connector as described above, also by covering the cap of the Porous material (being set to impregnation parts below) possessed containing the sponge being soaked with the antibacterial such as povidone iodine etc. on the adapter of front end being located at transfer tube, the sterilization (with reference to patent documentation 1 ~ 3) of adapter leading section is carried out.
With reference to the sectional view shown in Figure 13, Figure 14, medical connector device disclosed in patent documentation 2 is described.Figure 13 (a) represents the bag side-connector 110 as the female connector be located on dialyzate bag.Figure 14 (b) represents the patient's side-connector 130 being configured to male connector.Figure 13 (b) represents that bag side-connector cap 120, Figure 14 (a) represents patient's side-connector cap 140.
Bag side-connector 110 is made up of the double wall of the 1st ring-type intubate (lure) portion the 111 and the 1st front end cylindrical portion 112, and the base end part 115 in the 1st ring-type intubate portion 111 is provided with the 1st pipe jointing part 116.1st pipe jointing part 116 is connected with the pipe 119 be connected on dialyzate bag.The periphery of base end part 115 is provided with recess 117, the cardinal extremity of the 1st front end cylindrical portion 112 is provided with protuberance 118.1st front end cylindrical portion 112 is inlaid on base end part 115, via recess 117 and protuberance 118, independently can combine rotatably relative to the 1st pipe jointing part 116 and the 1st ring-type intubate portion 111.Female thread 113 is formed in the inner circumferential of the 1st front end cylindrical portion 112.In addition, in the inner peripheral surface near the front end in the 1st ring-type intubate portion 111, the seal member 114 be made up of elastomeric material is imbedded.
On the other hand, patient's side-connector 130 is made up of front end cylindrical portion 132, the base end part 134 that forms the 2nd ring-type intubate portion 131 within it and have the 2nd pipe jointing part 135.2nd pipe jointing part 135 is connected with pipe 136.The cardinal extremity of front end cylindrical portion 132 is combined on base end part 134, and front end cylindrical portion 132 extends longlyer, with the front end making it cover the 2nd ring-type intubate portion 131.On the periphery of front end cylindrical portion 132, be formed with the pin thread 133 screwed togather with the female thread 113 be located in front end cylindrical portion 112 inner circumferential of bag side-connector.In addition, the 2nd ring-type intubate portion 131 periphery can be formed in bag side-connector the 1st ring-type intubate portion 111 leading section inner circumferential on seal member circular contact in liquid-tight manner.
Make bag side-connector and patient's side-connector close, and only make front end cylindrical portion 112 rotate independently, thus pipe 119,136 can not be made to reverse and female thread 113 and pin thread 133 are screwed togather, by two connector linkings.
Patient's side-connector cap 140 is made up of the 3rd inner core 141, the 3rd urceolus 142 formed with concentric circles around the 3rd inner core 141 and the bolt 146 of interlocking on the 3rd inner core front end.In the inner circumferential of the 3rd urceolus 142, be formed with the female thread 143 screwed togather with the pin thread 133 on the periphery of the front end cylindrical portion 132 being formed in patient's side-connector, in the inner edge portion of the 3rd outer cylinder front end of female thread 143 end, be configured with the seal member 145 be made up of elastomeric material.On the cardinal extremity of the 3rd inner core 141, the sterilization liner 144 containing antibacterial is installed.
Bolt 146 is formed by elastomeric material, is pushed in the 2nd ring-type intubate portion 131 and seals in liquid-tight manner.In addition, the liner 144 that sterilizes sterilizes to front end cylindrical portion 132 when being screwed on patient's side-connector cap 140 by patient's side-connector 130.Seal member 145 seals among the patient's side-connector cap screwed togather with patient's side-connector, to protect it by the pollution from outside.
Bag side-connector cap 120 has the 4th front end cylindrical portion 121 and the 4th cap base end part 123.In the 4th front end cylindrical portion 121, be formed with the pin thread 122 for screwing togather with the female thread 113 be formed in the inner circumferential of the 1st front end cylindrical portion 112.
By the electrical connector of said structure, when the injection of dialysis solution terminate, patient's side-connector 130 is removed with the combination of bag side-connector 110 time, install in patient's side-connector 130 and be screwed into new patient's side-connector cap 140.In this case, patient's side-connector front end cylindrical portion 132 is pushed on the sterilization liner 144 in patient's side-connector cap 140, keeps bactericidal nature.
Prior art document
Patent documentation
Patent documentation 1: Japanese Laid-Open Patent Publication 59-500801 publication
Patent documentation 2: Japanese Unexamined Patent Publication 8-155025 publication
Patent documentation 3: Japanese Unexamined Patent Publication 8-215311 publication
Brief summary of the invention
The technical problem that invention will solve
In the past, in medical scene, generally by making antibacterial directly contact with sterilization object thing the sterilization carrying out sterilization object thing.Therefore, in the structure described in patent documentation 1,2, the impregnation parts in cap are the structure that must contact with the leading section of adapter.By this structure, push impregnation parts by the leading section of adapter, the antibacterial in impregnation parts oozes out.
But by this structure, the antibacterial likely oozed out is immersed in the internal flow path of adapter or conduit from the leading section of adapter, or the antibacterial oozed out escapes to outside from the junction surface of adapter and cap and by problem such for ambient contamination.As a result, likely antibacterial is immersed in patient body, to the health of PD patient via the internal flow path of transfer tube and brings harmful effect.
In addition; in the method described in patent documentation 3; also need when protective cap and packaged unit are pulled down from conduit push impregnation parts (absorbing material 10), the antiseptic now oozed out likely from spilling between protective cap and packaged unit by ambient contamination.
Such problem is not limited to the adapter of the pipe connecting peritoneal dialysis, about needing the adapter used in the position of the connection liquid flow paths such as tube for transfusion to be common.More generally saying, is for forming problem common in the medicinal liquid communication apparatus of connection stream by being arranged on the bonded block be communicated with on object respectively.More particularly, be comprise can be arranged on the state be separated from each other bonded block on, possess problem common in the structure of the protective cap of sterilizing function.
Summary of the invention
So; the object of this invention is to provide a kind of medicinal liquid communication apparatus; this medicinal liquid communication apparatus by installing antibacterial impregnation parts are remained on portion inside protective cap, can sterilize fully to the leading section of bonded block, and can avoid contacting spilling of the antibacterial caused on antibacterial impregnation parts by the leading section of bonded block.
For the means of technical solution problem
Medicinal liquid communication apparatus of the present invention possesses: bonded block, is communicated with on object by being arranged on respectively and be combineding with each other and form the connection stream between above-mentioned connection object; Protective cap, has one end by the barrel shape of shutoff, antibacterial impregnation parts is remained on portion the most inside, can be arranged at least one of above-mentioned bonded block of the state be separated from each other.
In order to solve the problem, the feature of medicinal liquid communication apparatus of the present invention is, under the state that above-mentioned protective cap is arranged on above-mentioned bonded block, the inner peripheral surface of above-mentioned protective cap forms the space of the leading section surrounding above-mentioned bonded block, set the mutual size relationship of above-mentioned bonded block and above-mentioned protective cap, keep compartment of terrain opposed with the leading section of above-mentioned bonded block to make above-mentioned antibacterial impregnation parts; Possesses the seal member on the outer peripheral face at the position of the inner peripheral surface of the open end being arranged on above-mentioned protective cap or the corresponding with the open end of above-mentioned protective cap of above-mentioned bonded block; under the installment state of above-mentioned protective cap; above-mentioned seal member is pushed between the outer peripheral face of above-mentioned bonded block and the inner peripheral surface of above-mentioned protective cap, forms the air tight construction in above-mentioned space.
Invention effect
According to said structure, by installing protective cap antibacterial impregnation parts being remained on portion inside, even if thus antibacterial impregnation parts do not contact with the leading section of bonded block and can obtain sufficient bactericidal effect yet.Further, can avoid contacting spilling of the antibacterial caused on antibacterial impregnation parts by the leading section of bonded block.
Accompanying drawing explanation
Figure 1A represents with released state the male connector of medical connector device and the axonometric chart of protective cap that are formed embodiments of the present invention 1.
Figure 1B is the axonometric chart representing the state being provided with protective cap on the male connector of this medical connector device.
Fig. 2 A is the axonometric chart representing the female connector forming this medical connector device.
Fig. 2 B is the axonometric chart representing the state after being connected with the female connector of Fig. 2 A by the male connector of Figure 1A.
Fig. 3 A is the front view of the male connector of Figure 1A.
Fig. 3 B is the right view of the male connector of Fig. 3 A.
Fig. 3 C is the sectional view of the male connector of Fig. 3 A.
Fig. 4 A is the front view of the protective cap of Figure 1A.
Fig. 4 B is the right view of the protective cap of Fig. 4 A.
Fig. 4 C is the sectional view of the A-A line along Fig. 4 A.
Fig. 4 D is the sectional view of the B-B line along Fig. 4 B.
Fig. 5 A represents the male connector of Figure 1A and the sectional view of protective cap.
Fig. 5 B represents the male connector of Figure 1B and the front view of protective cap.
Fig. 5 C represents the male connector of Fig. 5 B and the in-built sectional view of protective cap.
Fig. 6 A is the front view of the female connector of Fig. 2 A.
Fig. 6 B is the left view of the female connector of Fig. 6 A.
Fig. 6 C is the right view of the female connector of Fig. 6 A.
Fig. 6 D is the sectional view of the female connector of Fig. 6 A.
Fig. 7 A is the sectional view representing male connector under decomposing state and female connector.
Fig. 7 B is the front view representing male connector under connection status and female connector.
Fig. 7 C is the male connector of Fig. 7 B and the sectional view of female connector.
Fig. 8 is the figure of the experimental result of the effect of oozing out of suppression povidone iodine (povidone iodine) solution of the medical connector device represented for confirming embodiments of the present invention 1.
Fig. 9 A is the curve chart of the experimental result of the acceleration keeping of the sterilizing ability retention represented for confirming this medical connector device.
Fig. 9 B is the curve chart of the experimental result of the room temperature keeping of the sterilizing ability retention represented for confirming this medical connector device.
Figure 10 A represents the adapter of enteral nutrition electrical connector and the front view of protective cap that form embodiments of the present invention 2.
Figure 10 B is the in-built sectional view representing this protective cap.
Figure 10 C is the front view only representing the state being provided with protective cap on the connectors with the cross section of protective cap.
Figure 11 A represents the mixed water injection port of mixed water injection port device and the axonometric chart of protective cap that form embodiments of the present invention 3.
Figure 11 B is the in-built sectional view representing this protective cap.
Figure 12 is the axonometric chart of another form representing mixed water injection port.
Figure 13 is the sectional view of the structure of the medical connector device representing past case.
Figure 14 is the sectional view of the structure of the medical connector device representing past case.
Detailed description of the invention
Medicinal liquid communication apparatus of the present invention, based on said structure, can take following such form.
That is, can make following structure: one in above-mentioned bonded block is male connector, portion has and the above-mentioned installation portion linked being communicated with object in its back-end; Another in above-mentioned bonded block is female connector, and portion has the installation portion that be communicated with object link above-mentioned with the 2nd in its back-end.
Following structure can be made: above-mentioned male connector have inner chamber formed the inner core of liquid communication stream and internal diameter than above-mentioned inner core external diameter greatly and be combined in the urceolus in the outside of above-mentioned inner core coaxially; the front end of above-mentioned inner core is positioned at front end than above-mentioned urceolus near private side, and above-mentioned protective cap and above-mentioned female connector are arranged on the outside of above-mentioned urceolus.
Preferably, above-mentioned male connector has the airtight valve covered by inner chamber in leading section; Above-mentioned female connector have inner chamber formed the inner core of liquid communication stream and internal diameter than above-mentioned inner core external diameter greatly and be combined in the urceolus in the outside of above-mentioned inner core coaxially, insert in the inner side of above-mentioned urceolus and connect above-mentioned male connector; When above-mentioned male connector is connected with above-mentioned female connector, the front end of the above-mentioned inner core of above-mentioned female connector is by through for above-mentioned airtight valve, thus stream is open-minded.
In the case, preferably, in side more forward than above-mentioned airtight valve, be provided be formed in above-mentioned male connector inner face on, form the flange of the opening less than the external diameter of above-mentioned airtight valve.
In addition, preferably, on above-mentioned flange, the rib of the front extending to above-mentioned male connector is provided with.
In addition, following structure can be made: in the inside of above-mentioned protective cap, be provided with the shift position towards the portion inside in above-mentioned protective cap of the above-mentioned male connector of restriction and guarantee the position restraining portions in above-mentioned space.
In addition, following structure can be made: above-mentioned position restraining portions is formed by collar flange, on the leading section outer surface of above-mentioned male connector, form the abutting part with the external diameter larger than the internal diameter of above-mentioned collar flange; When above-mentioned male connector is connected with above-mentioned protective cap, by the contact of above-mentioned collar flange and above-mentioned abutting part, limit the shift position towards the portion inside in above-mentioned protective cap of above-mentioned male connector.
In addition, following structure can be made: above-mentioned male connector and above-mentioned protective cap are configured to, and combine by screwing togather; The most deep location that above-mentioned male connector and above-mentioned protective cap above-mentioned screws togather plays function as above-mentioned position restraining portions, limits the shift position towards the portion inside in above-mentioned protective cap of above-mentioned male connector.
In addition, following structure can be made: in the inside of above-mentioned protective cap, embed inner part, by above-mentioned inner part, above-mentioned antibacterial impregnation parts be remained on the portion the most inside of above-mentioned protective cap.
In addition, following structure can be made: above-mentioned inner part has the shift position towards the portion inside in above-mentioned protective cap of the above-mentioned male connector of restriction and guarantees the position restraining portions in above-mentioned space.
In addition, following structure can be made: in the portion the most inside of above-mentioned protective cap, be provided with the reducing diameter part than peristome side path, in above-mentioned reducing diameter part, be configured with above-mentioned antibacterial impregnation parts.
In addition, following structure can be made: one in above-mentioned connection object is the port of the container for medical use being used for injecting nutrient etc. used in enteral nutrition method, and another in above-mentioned connection object is the enteral nutrition external member comprising the pipe connected between above-mentioned container for medical use and patient; In this situation, the enteral nutrition adapter be arranged on the port of above-mentioned container for medical use forms one in above-mentioned bonded block; On the one end being arranged on above-mentioned nutrition external member and with above-mentioned enteral nutrition with the adapter that adapter is connected form in above-mentioned bonded block another.
In addition, can make following structure: one in above-mentioned bonded block is mixed water injection port, above-mentioned mixed water injection port comprises and is located at the pedestal be communicated with on object, is supported and be formed with the valve of the disc shaped of patchhole at central part and have embedded hole that the upper surface of the central part of above-mentioned valve is exposed and cover the lid of the periphery of above-mentioned valve from upper surface side by above-mentioned pedestal from following side; Another in above-mentioned bonded block be can be inserted in above-mentioned mixed water injection port, insertosome that its inner chamber forms liquid flow path; In this situation, above-mentioned protective cap is configured to, and can install above-mentioned mixed water injection port.
Below, specifically describe with reference to the medicinal liquid communication apparatus of accompanying drawing to embodiments of the present invention.
(embodiment 1)
The medical connector device that the medicinal liquid communication apparatus of embodiments of the present invention 1 connects with the pipe in peritoneal dialysis is for application examples.First, with reference to Figure 1A ~ Fig. 2 B, the summary of the medical connector device of present embodiment is described.Figure 1A is that the state representation of decomposing forms the male connector 1 of this medical connector device and the axonometric chart of protective cap 2.Figure 1B is the axonometric chart representing the state that the male connector 1 of Figure 1A is joined together with protective cap 2.Fig. 2 A is the axonometric chart representing the female connector 3 forming this medical connector device.Fig. 2 B is the axonometric chart representing the state that the male connector 1 shown in Figure 1A is joined together with the female connector 3 shown in Fig. 2 A.
In the present embodiment, male connector 1 is used by as patient's side-connector, and female connector 3 is used by as the bag side-connector be located on dialyzate bag.Male connector 1, protective cap 2 and female connector 3 are all by resin formation.
As shown in Figure 1A, male connector 1 is provided with the pipe 4 be connected on the peritoneal catheter of such as heeling-in in the abdominal cavity of patient in rearward end.In the front portion of pipe 4, be provided with the handle part 5 for operating male connector 1, its front forms the joint portion with protective cap 2 and female connector 3.This joint portion is by cylindrical portion 6 and be formed as forming than the front end minor diameter part 7 of cylindrical portion 6 slightly path.On the outer peripheral face of cylindrical portion 6, be formed with thread groove 6a.On the cardinal extremity of cylindrical portion 6, be formed with jump by large-diameter portion 6b, and with this large-diameter portion 6b, the elastic ring 8 playing function as seal member be installed with abutting.
Protective cap 2 has one end by the substantially cylindrical shape of shutoff, as shown in Figure 1B, outside the leading section that can be arranged on male connector 1.As described later with reference to sectional view, protective cap 2 remains the antibacterial impregnation parts containing being soaked with antibacterial (such as betagen solution) in portion the most inside.The inner peripheral surface of protective cap 2 is provided with engaging protrusion (aftermentioned), and this engaging protrusion is used for engaging when being installed on male connector 1, with thread groove 6a and the combination of male connector 1 with protective cap 2 being fixed.
Female connector 3 is connected with the front end, loop etc. of the peritoneal dialysis units such as such as two bag, Y external member (set), APD.As shown in Figure 2 A, mounting pipe 9 in rearward end.In the front portion of pipe 9, be provided with the handle part 10 for operating female connector 3, its front forms the joint portion with male connector 1.This joint portion is formed in the inside of urceolus 11.On the inner peripheral surface of urceolus 11, be provided with engaging protrusion 12, the combination of male connector 1 with female connector 3 is fixed for engaging with thread groove 6a when being connected with male connector 1 by this engaging protrusion 12.Being arranged on engaging protrusion on the inner peripheral surface of protective cap 2 is also same with this engaging protrusion 12.
In the inside of urceolus 11, insert male connector 1, screwed togather by thread groove 6a and engaging protrusion 12, as shown in Figure 2 B, male connector 1 is connected with female connector 3 and fixes.If be connected with male connector 1 by female connector 3, then pass through the fluid communication of the inner chamber of through two adapters 1,3 between pipe 4,9.But, in fig. 2b, relative to Fig. 2 A, female connector about 3 reversed and describe.
The feature of present embodiment as described below, is the structure relevant with the combination of protective cap 2 to male connector 1.Thus, with reference to Fig. 3 A ~ 5C, the structure of male connector 1 and protective cap 2 is explained.First, the structure of protective cap 2 is described.
Fig. 3 A is the front view of the male connector 1 of Figure 1A, and Fig. 3 B is the right view of the male connector 1 of Fig. 3 A, and Fig. 3 C is the sectional view of the male connector 1 of Fig. 3 A.As shown in Figure 3 C, male connector 1 is divided into cylindrical portion 6, is arranged on the inner part 13 in the inner chamber of cylindrical portion 6 and the handle part 5 that is attached on the rear portion of cylindrical portion 6 and is formed.The rear portion of inner part 13 extends in the inside of handle part 5, forms pipe jointing part 13a, and is connected with pipe 4.In addition, the inner chamber of inner part 13 is formed with stream 13b.
On the leading section of the inner chamber of cylindrical portion 6, be configured with the airtight valve 14 (the apertured barrier film of band (septum) of such as rubber) covered by inner chamber.On the leading section inner peripheral surface of cylindrical portion 6, be provided with the flange 15 forming the opening less than the profile of airtight valve 14, between the front end of inner part 13 and flange 15, maintain airtight valve 14.On flange 15, be provided with the rib 15a that side forward extends.
Airtight valve 14 has function airtight for the stream of inner part 13 inner chamber when male connector 1 is not connected with female connector 3.Thus, prevent antibacterial from invading in stream from the outside of male connector 1.In addition, also prevent liquid from going out from pipe 4 side leakage of flexibility.Like this, the air-tight state of airtight valve 14 to the stream guaranteeing inner part 13 inner chamber is effective, but is not necessary.In addition, also air-tight state can be guaranteed by additive method.
In addition, by being located at the flange 15 on the inner peripheral surface of cylindrical portion 6, following effect can be obtained: namely easily to be remained on by airtight valve 14 in stream and to suppress finger from male connector 1 front end side contact on airtight valve 14.By arranging rib 15a on flange 15, this effect can be improved further.
Fig. 4 A is the front view of protective cap 2, and Fig. 4 B is the right view of the protective cap 2 of Fig. 4 A, and Fig. 4 C is the sectional view of the A-A line along Fig. 4 A, and Fig. 4 D is the sectional view of the B-B line along Fig. 4 B.
Protective cap 2, as shown in Fig. 4 C, Fig. 4 D, is formed by the urceolus 16 of the substantially cylindrical shape of shutoff and the inner part 17 be embedded in the inside of urceolus 16 by one end.In the portion the most inside of protective cap 2, be provided with the reducing diameter part 16a than peristome side path, in reducing diameter part 16a, be configured with antibacterial impregnation parts 18.Antibacterial impregnation parts 18 are maintained at portion the most inside by the restriction of the inner end 17a of inner part 17.By arranging reducing diameter part 16a and inserting antibacterial impregnation parts 18 wherein, thus easily antibacterial impregnation parts 18 are remained in protective cap 2.And then, antibacterial impregnation parts 18 can also be obtained and be difficult to contact the effect on the leading section of male connector 1.
The inner peripheral surface of the open side end of inner part 17 is formed with engaging protrusion 17b.The thread groove 6a of male connector 1 and the outer peripheral face in combination with male connector 1 of protective cap 2 and screwing togather of engaging protrusion 17b and formed.In addition, structure is screwed togather by this, the most deep location of the combination of restriction male connector 1 and protective cap 2.Thus, when male connector is connected with protective cap, screws togather structure and play function as position limitation unit, the shift position towards the portion inside in protective cap 2 of this position limitation unit restriction male connector 1.
In addition, the pars intermedia inner peripheral surface of inner part 17 is formed with collar flange 17c, plays function as same position restraining portions.That is, on the leading section outer surface of male connector 1, the abutting part 6b with the external diameter larger than the internal diameter of collar flange 17c is formed.Therefore, when having installed protective cap 2 on male connector 1, by the contact of collar flange 17c and abutting part 6b, the shift position of restriction male connector 1.
Antibacterial impregnation parts 18 can be formed by the material such as porous plastid, corpus fibrosum such as sponge.As the example of the antibacterial of impregnation, the antibacterial beyond betagen solution also can be used, if but consider the impact on human body, then betagen solution is preferred.
Then, with reference to Fig. 5 A ~ Fig. 5 C, state when male connector 1 is provided with protective cap 2 and effect are described.Fig. 5 A is the sectional view of male connector 1 under the decomposing state representing Figure 1A and protective cap 2, and Fig. 5 B is the front view of male connector 1 under the bonding state representing Figure 1B and protective cap 2, and Fig. 5 C is the male connector 1 of Fig. 5 B and the sectional view of protective cap 2.
Protective cap 2 is arranged on when male connector 1 is not connected with female connector 3 on male connector 1, protection adapter front end.When mounted, as shown in Figure 5A, make the peristome of protective cap 2 be opposite to the front end of male connector 1, push male connector 1 and make it rotate.Thus, via the engaging of the engaging protrusion 17b be located on the inner face of protective cap 2 with the thread groove 6a of the outer peripheral face of male connector 1, protective cap 2 is fixed on the front end of male connector 1.
Now; as mentioned above; the collar flange 17c be formed on the inner peripheral surface of the inner part 17 of protective cap plays function as position restraining portions, and in addition, the limit structure formed by the most deep location screwed togather of male connector 1 and protective cap 2 plays function as position restraining portions.Thus, space 19 (with reference to Fig. 5 C) is formed between the inner face of the periphery in the leading section of male connector 1 and protective cap 2.By the formation in this space, the antibacterial impregnation parts 18 remained on protective cap 2 be maintained at the interval that keeps regulation and not with the opposed state of end in contact before male connector 1.
In addition, elastic ring 8 is pressed against between the outer peripheral face of male connector 1 and the inner peripheral surface of protective cap 3, keep the airtight of space 19 thus.Therefore, iodine, from being filled in space 19 containing the antibacterial impregnation parts 18 being soaked with betagen solution distil, fully obtains the bactericidal action of the leading section for the male connector 1 be enclosed in space 19.In addition, in the above example, elastic ring 8 is fitted on male connector 1, but in order to by airtight for space 19, elastic ring 8 also can be embedded in the inside of protective cap 2.In a word, as long as the structure of both pushings of the protected cap of elastic ring 82 and male connector 1 when being installed on male connector 1 by protective cap 2 is just passable.
But, on the adapter of elastic ring 8 when the adapter of peritoneal dialysis pipe preferably fitted in patient side.Because the adapter relative to protective cap and dialysis fluid side only uses 1 time, half a year changed 1 time by the adapter of patient side, so can cut down the cost arranging elastic ring 8.If the Guan Ze of other application targets is not this restriction.
Like this, by the result of experiment described later, directly not contact with the front end of male connector 1 and the interval arranging regulation between antibacterial impregnation parts 18 and the front end of male connector 1 also can obtain sufficient bactericidal effect even if confirm antibacterial impregnation parts 18.
Thus, medical connector device according to the present embodiment, by installing protective cap 2 in the front of male connector 1, easily can keep the bactericidal nature of the leading section of male connector.Further, according to the present embodiment, owing to being provided with the interval of regulation between antibacterial impregnation parts 18 and the front end of male connector 1, so oozing out of the antibacterial caused because antibacterial impregnation parts 18 are subject to pushing force can be avoided.Thus, the antibacterial oozed out can be avoided to be immersed in the internal flow path of adapter or conduit from the leading section of adapter or the antibacterial oozed out escapes to outside from the junction surface of adapter and cap and by undesirable condition such for ambient contamination.
Then, with reference to Fig. 6 A ~ Fig. 7 C, the structure of female connector 3 and effect are described.Fig. 6 A is the front view of the female connector 3 of Fig. 2 A, and Fig. 6 B is the left view of the female connector 3 of Fig. 6 A, and Fig. 6 C is the right view of the female connector 3 of Fig. 6 A, and Fig. 6 D is the sectional view of the female connector 3 of Fig. 6 A.
Female connector 3 have inner chamber formed the inner core 20 of liquid communication stream and internal diameter than inner core 20 external diameter greatly and be combined in the urceolus 11 in the outside of inner core coaxially.The rearward end of urceolus 11 is formed with handle part 10, is combined with the central part of inner core 20 in addition.The front opening of urceolus 11, is embedded with inner part 21 in inside.The inner peripheral surface of inner part 21 is formed with engaging protrusion 12.Inner core 20 has the inner core leading section 20a that extends towards opening in the inside of urceolus 11 and extends to the rear of urceolus 11 and be positioned at the pipe jointing part 20b of the inner side of handle part 10.
Then, with reference to Fig. 7 A ~ Fig. 7 C, state when being connected with female connector 3 by male connector 1 and effect are described.Fig. 7 A is the sectional view representing male connector 1 under decomposing state and female connector 3, and Fig. 7 B is the front view representing male connector 1 under connection status and female connector 3, and Fig. 7 C is the male connector 1 of Fig. 7 B and the sectional view of female connector 3.
When connecting, as shown in Figure 7 A, making the front end opening of female connector 3 be opposite to the front end of male connector 1, male connector 1 is pushed while make it rotate.Thus, via the engaging of the engaging protrusion 12 be located on the inner face of female connector 3 with the thread groove 6a of the outer peripheral face of male connector 1, female connector 3 is fixed on the front end of male connector 1.
Now, along with male connector 1 entering to female connector 3, the gap of the airtight valve 14 be arranged on the front end of male connector 1 is expanded through on one side by inner core leading section 20a, reaches the inside of male connector 1, makes stream open-minded.
In addition, in order to the installation of protective cap 2 such above or the connection with female connector 3, male connector 1 also can make other forms.That is, make male connector by inner chamber formed the inner core of liquid communication stream and internal diameter than inner core external diameter greatly and the urceolus being combined in the outside of inner core coaxially form.The front end of inner core is positioned at the side close to the inner portion, front end than urceolus, and protective cap and female connector are arranged on the outside of urceolus.According to this structure, even contact the situation on male connector leading section by mistake, also can avoid contact on the inner core of liquid communication, can inner core be protected.As long as because the antibacterial covering protection cap be attached on urceolus just can sterilize as described above, so antibacterial can not invade in stream.
Below, confirm that the result of the experiment of effect obtained when having installed protective cap 2 in the medical connector device of present embodiment, on male connector 1 is described to being used for.Confirm by experiment: by forming airtight space 19 between the periphery of the leading section at male connector 1 and the inner face of protective cap 2, antibacterial impregnation parts 18 are maintained the compartment of terrain that keeps the specifying state opposed with the front end of male connector 1 in this confined space, sufficient bactericidal effect can be obtained.In addition, confirm and now can avoid the oozing out of the antibacterial that causes because of antibacterial impregnation parts 18 and the contact of the front end of male connector 1, antibacterial can be avoided to be immersed in the undesirable condition the internal flow path of adapter or conduit from the leading section of adapter.
[experiment 1: the checking of sterilizing ability]
To be opposite to non-contacting state by betagen solution male connector 1 leading section structure, obtain the antibacterial of the leading section being present in male connector 1 to kill the effect removed, verify.
Experimental technique is as follows.First, as evaluation strain, use 5 strains of staphylococcus aureus (Staphylococcus aureus), staphylococcus epidermidis (Staphylococcus epidermidis), escherichia coli (Escherichia coli), pseudomonas aeruginosa (Pseudomonas aeruginosa), Candida albicans (Candida albicans).Prepare the normal saline that with the addition of the tween (Tween) 80 (polyoxyethylene 20 sorbitan monooleate (Polyoxyethylene SorbitanMonooleate)) of 0.01% when staphylococcus, prepare the liquid be dissolved in normal saline when other strains.
Then, 10 are injected to the leading section suction pipe of male connector 1
3the bacterium liquid of CFU/20 μ L, installs after protective cap 2, under the cryogenic conditions of the body temperature of 30-35 DEG C or 10 DEG C, leave standstill 3hr.Then, protective cap 2 is pulled down, male connector 1 is encased in after stirring 30sec in rinsing liquid (liquid (Fluid) D-ST liquid/manufactured by biological Mei Liai (BioMerieux)) 10mL, uses
the filter of 0.45 μm filters.After this process is repeated 3 times, this filter is positioned in after cultivating at 30-35 DEG C in SCD agar culture medium, confirms viable count.
As the embodiment 1 based on present embodiment; be used in the antibacterial impregnation parts 18 of protective cap 2 containing the example being soaked with 10% betagen solution; as comparative example 1, be used in the antibacterial impregnation parts 18 of protective cap 2 and replace betagen solution and containing the example being soaked with normal saline.
Be described with reference to (table 1) result to experiment.For comparative example 1, under which kind of temperature conditions, all can not find out the change of the bacterium number that self-straw injects, and for embodiment 1, whole strains can both be killed under which kind of condition.Thus, even can confirm that betagen solution is not in contact with the state on the leading section of male connector 1, also the antibacterial be present on adapter leading section can be killed and remove.
[table 1]
* suction pipe injects bacterium number 10
3cFU
[experiment 2: betagen solution is mixed into test]
When after protective cap 2 removal are installed, logical liquid has been carried out to adapter conduit portion, confirm whether the betagen solution in the antibacterial impregnation parts 18 of protective cap 2 is mixed in logical liquid.
Experimental technique is as follows.That is, the leading section of male connector 1 installed protective cap 2 and after standing 4hr, protective cap 2 pulled down, after this male connector 1 connects female connector 3, to the logical liquid carrying out 20mL ultra-pure water in pipe, as embodiment 2.As the oxidimetry of volumetric solution, the quantitative of available iodine is carried out by using 0.02N hypo solution to this ultra-pure water.The example of same test is carried out as comparative example 2 (product was all that adapter front end contacts with betagen solution) in the past using to the adapter of product in the past.
According to the Fig. 8 representing the result of testing, in example 2, compared with comparative example 2A ~ 2D, although the effective iodine number in impregnation parts is more, do not find out to being mixed in logical liquid.
Can being confirmed by this result, by making antibacterial impregnation parts 18 and adapter noncontact, oozing out of the betagen solution in antibacterial impregnation parts 18 can be avoided.
[experiment 3: the checking of sterilizing ability retention]
Confirm the antibacterial of the leading section being present in male connector 1 being killed between the storage life removed.Experimental technique is as follows.Namely; male connector 1 is installed protective cap 2; at 40 DEG C/75%RH (relative humidity after packing with aluminum packaging material; relative humidity) condition under carry out acceleration keeping, carry out the time dependent evaluation for the water quantities in betagen solution important sterilizing ability and effective iodine number.About water quantities, calculated by the difference of weight before measurement keeping with the rear weight of keeping.
About effective iodine number, protective cap 2 is immersed in 99.5% ethanol after the evening, then after extracting povidone iodine, carries out the quantitative of available iodine by using 0.01M hypo solution as the oxidimetry of volumetric solution by cleaning fully.Now, make the calibration curve of betagen solution according to test, calculate effective iodine number of subject thus.Meanwhile, take care of too at ambient temperature, accelerate according to water quantities, effectively iodine number data validation the relation that keeping is taken care of with room temperature.
In addition research sterilizing ability, by the test same with experiment 1, sterilizing ability test carried out to this, during can keep.In addition, temperature conditions is set to 1 condition of 30-35 DEG C, evaluates 1 strain that strain is set to staphylococcus epidermidis.As comparative example 3, replace the betagen solution of impregnation in the impregnation parts of protective cap 2 and use the example containing being soaked with normal saline.
The experimental result that will speed up keeping represents in figure 9 a, the result of the experiment of room temperature keeping is represented in figures 9 b and 9.According to this experimental result, according to the contrast of the water quantities between each maintaining period and effective iodine number, room temperature keeping 12M (moon) is equivalent to accelerate keeping 6W (week), and room temperature keeping 24M is equivalent to accelerate to take care of 12W.Thus, can confirm that accelerating keeping is equivalent between the maintaining period corresponding with 8 times of room temperature keeping.
In addition, the result that sterilizing ability is tested is represented in (table 2).The result of this test has found out viable bacteria under acceleration keeping 18W, so in the case of example 3, can confirm can keep sufficient sterilizing ability in acceleration keeping 15W.
[table 2]
* suction pipe injects bacterium number 10
3cFU
By above result, be equivalent to room temperature keeping 2 years half, so can confirm that sterilizing ability can keep about 2 years half owing to accelerating keeping 15W.
[experiment 4: the checking of the relation of the concentration of sterilant in confined space and noncontact sterilizing ability]
Carry out the experiment that the change of the noncontact sterilizing ability brought by the concentration of sterilant in confined space is investigated.
(1) step 1
First, as step 1, carry out following experiment.That is, use the betagen solution (embodiment 4) of 10% as antibacterial, use 10 as evaluation strain
3the staphylococcus epidermidis of CFU, and using normal saline (comparative example 4) with evaluating in the comparing of strain.
Make the betagen solution of sponge difference impregnation 10 μ l, 50 μ l, 150 μ l, 300 μ l.To be installed on the packing ring of the plunger of 5ml syringe containing the sponge being soaked with betagen solution, pilot plunger becomes 630ml to make space.
10 of 20 μ l are injected to sponge opposition side (syringe front end small diameter part) suction pipe
3the bacterium liquid of CFU (normal saline dilution of tween (Tween) 80 with being added with 0.01%) is also airtight.It is at room temperature left standstill, measures viable count after 1h.The result of this experiment is represented in (table 3).
[table 3]
* suction pipe injects bacterium number 10
3cFU
According to this experimental result, calculate the ratio relative to confined space volume of the betagen solution required for kill bacteria.Known is 630mm at spatial volume
3when, as long as the betagen solution of 10% is 50 more than μ l, just can by 10
3the staphylococcus epidermidis of CFU is killed.
(2) step 2
Then, following experiment is carried out as step 2.That is, the betagen solution of sponge impregnation 10 μ l, 50 μ l, 150 μ l, 300 μ l is made respectively.To be installed on the packing ring of the plunger of 5ml syringe containing the sponge being soaked with betagen solution, pilot plunger becomes each evaluation volume to make space.Each evaluation volume is set to 630mm
3, 378mm
3, 189mm
3, 126mm
3.
10 of 20 μ l are injected to sponge opposition side (syringe front end small diameter part) suction pipe
3the bacterium liquid of CFU (normal saline dilution of tween (Tween) 80 with being added with 0.01%).After at room temperature leaving standstill, measure viable count according to each evaluation time, the deadline is killed in investigation.The results are shown in (table 4).Evaluation time is set to 0.5hr and 1hr.
[table 4]
* suction pipe injects bacterium number 10
3cFU
According to this experimental result, as long as 10% betagen solution exists about more than 8% relative to spatial volume, just can by 10
3the staphylococcus epidermidis of CFU is killed.
(embodiment 2)
The medicinal liquid communication apparatus of embodiments of the present invention 2 is the examples being set to application examples with the connector device used in enteral nutrition method.Be described with reference to the structure of Figure 10 A ~ Figure 10 B to the enteral nutrition electrical connector of present embodiment.
In enteral nutrition method, lead to the liquid object such as stomach or the input of duodenal pipe nutrient, liquid food or medicament via the nasal cavity from patient.When input nutrient etc., first, nutrient etc. is injected in container for medical use.Then, on the port (logical liquid portion) of container for medical use, the adapter on the one end of the injection circuit external member comprising pipe is connected and installed in.And then, container for medical use is suspended on hook to be connected to the mode that the port of injection circuit external member is downside.Container for medical use is being suspended under the state on hook, the adapter be arranged on the other end injecting circuit external member is being connected on the adapter of end of the pipe be arranged on patient, the liquid object such as the nutrient in container for medical use are thrown in patient.
Figure 10 A represents the port 23 being connected to the container for medical use 22 injecting circuit external member.Port 23 has the enteral nutrition adapter 25 of the tube 24 being formed with the liquid-through hole that liquid object is passed through and the front end forming tube 24.Adapter 25 is connected by the adapter (not shown) of intubate connected mode with the one end injecting circuit external member.That is, adapter 25 and the adapter be arranged on the one end injecting circuit external member form the medicinal liquid communication apparatus of present embodiment.
This enteral nutrition electrical connector also comprises protective cap 26, under the state not using container for medical use 22, adapter 25 is installed protective cap 26.The internal structure of protective cap 26 is represented in fig. 1 ob.Protective cap 26 has one end by the barrel shape of shutoff, maintains antibacterial impregnation parts 27 in portion the most inside.The inner peripheral surface of the open end of protective cap 26 is provided with seal member 28.
As illustrated in figure 10 c, protective cap 26 be arranged under the state on adapter 25 formed surround adapter 25 front end around space 29, antibacterial impregnation parts 27 keep regulation interval and opposed with the front end of adapter 25.In addition, under the state that protective cap 26 is arranged on adapter 25, seal member 28 is pushed between the outer peripheral face of adapter 25 and the inner peripheral surface of protective cap 26, forms the air tight construction in space 29.
According to the enteral nutrition electrical connector of present embodiment such above, by installing protective cap 26 on the leading section of adapter 25, the bactericidal nature of this part easily can be kept.Further, owing to being provided with the space 29 of regulation between antibacterial impregnation parts 27 and the front end of enteral nutrition adapter 25, so oozing out of the antibacterial caused because antibacterial impregnation parts 27 are subject to pushing force can be avoided.Thus, the antibacterial oozed out can be avoided to be immersed in the internal flow path of port 23 from the leading section of adapter 25 or the antibacterial oozed out escapes to outside and by undesirable condition such for ambient contamination.
In addition, in said structure, protective cap 26 installed by the enteral nutrition adapter 25 on the port 23 being located at container for medical use 22, but be configured to, on the adapter of the end being arranged on the pipe on patient, protective cap is installed, also can obtain same effect.
(embodiment 3)
The example that the medicinal liquid communication apparatus of embodiment 3 is is application examples with medical mixed injection port device.With reference to Figure 11 A ~ Figure 11 B, the structure of the mixed water injection port device of present embodiment is described.
Medical mixed injection port when throwing in medicinal liquid etc. to patient, in the inferior use of situation of will sample in the medicinal liquid mixed water injection different from main medicinal liquid to medicinal liquid supply liquor charging road or to the liquid flowed in liquor charging circuit.Therefore, mixed water injection port is configured to, and obtuse for front end insertosome can be inserted into and be formed in inserting in the hole and carrying out aforesaid operations on valve.
Mixed water injection port 30 shown in Figure 11 A is arranged on the midway as the pipe 31 being communicated with object.In addition, being communicated with object and being not limited to pipe, also can be other what kind of forms.Pipe 31 is provided with pedestal 32, pedestal 32 is provided with lid 33.The valve 34 that central part is formed with the disc shaped of patchhole is remained on by pedestal 32 and lid 33.That is, by pedestal 32 sutaining valve 34, lid 33 is connected on valve 34, between pedestal 32 and lid 33, hold valve 34.Lid 33 has at central part the embedded hole that the central part upper surface of valve 34 is exposed.Pedestal 32 has the through hole of the inner chamber leading to pipe 31.
If by through for the valve 34 of this mixed water injection port 30 and insert and form the such insertosome (not shown) of the intubate of syringe leading section, then the inner chamber of insertosome and the inner space of pipe 31.Thereby, it is possible to inject and/or collection liquid, if extract intubate from valve 34, then valve 34 cuts out by its elasticity.That is, the mixed water injection port device be made up of mixed water injection port 30 and insertosome forms the medicinal liquid communication apparatus of present embodiment.
Mixed water injection port device also comprises protective cap 35, under the state not using mixed water injection port 30, mixed water injection port 30 is installed protective cap 35.
The internal structure of protective cap 35 is represented in Figure 11 B.Protective cap 35 has one end by the barrel shape of shutoff, maintains antibacterial impregnation parts 36 in portion the most inside.The inner peripheral surface of the open end of protective cap 35 is installed with seal member 37.
Protective cap 35 is being arranged on the space around the upper end forming encirclement mixed water injection port 30 under the state on mixed water injection port 30, and antibacterial impregnation parts 36 keep the compartment of terrain of regulation opposed with the upper end of mixed water injection port 30.In addition, under the state that protective cap 35 is arranged on mixed water injection port 30, seal member 37 is pushed between the outer peripheral face of mixed water injection port 30 and the inner peripheral surface of protective cap 35, forms the air tight construction in space.
According to the medical mixed injection port device of present embodiment such above, by installing protective cap 35 on the upper end of mixed water injection port 30, the bactericidal nature of this part easily can be kept.Further, owing to being provided with the space of regulation between antibacterial impregnation parts 36 and the front end of mixed water injection port 30, so oozing out of the antibacterial caused because antibacterial impregnation parts 36 are subject to pushing force can be avoided.Thus, the antibacterial oozed out can be avoided to be immersed in the internal flow path of pipe 31 from the leading section of mixed water injection port 30 or the antibacterial oozed out escapes to outside and by undesirable condition such for ambient contamination.
Figure 12 is the axonometric chart of the mixed water injection port device of another form representing present embodiment.Identical label is given and the repetitive description thereof will be omitted for the key element same with the mixed water injection port device shown in Figure 11 A.In this form, one end of pipe 31 is provided with mixed water injection port 30.In such form, also by using protective cap similar to the above, effect similar to the above can be obtained.
Industrial applicibility
According to medicinal liquid communication apparatus of the present invention; by installing protective cap antibacterial impregnation parts being remained on portion inside; the leading section of bonded block can be sterilized fully; and because the leading section avoided because of bonded block contacts spilling of the antibacterial caused on antibacterial impregnation parts, thus peritoneal dialysis or transfusion with etc. the electrical connector connected for stream etc. in there is practicality.
Label declaration
1 male connector
2,26,35 protective caps
3 female connectors
4,9,31 pipes
5,10 handle parts
6 cylindrical portion
6a thread groove
6b abutting part
7 front end minor diameter parts
8 elastic rings
11,16 urceolus
12,17b engaging protrusion
13,17,21 inner parts
13a pipe jointing part
13b stream
14 airtight valves
15 flanges
15a rib
16a reducing diameter part
17a inner end
17c collar flange
18,27,36 antibacterial impregnation parts
19,29 spaces
20 inner cores
20a inner core leading section
20b pipe jointing part
21 inner parts
22 container for medical use
23 ports
24 tubes
25 enteral nutrition adapters
28,37 seal members
30 mixed water injection ports
32 pedestals
33 lids
34 valves
Claims (14)
1. a medicinal liquid communication apparatus, is characterized in that,
Possess:
Bonded block, is communicated with on object by being arranged on respectively and be combineding with each other and form the connection stream between above-mentioned connection object; And
Protective cap, has one end by the barrel shape of shutoff, and antibacterial impregnation parts are remained on portion the most inside, can be arranged at least one of above-mentioned bonded block of the state be separated from each other;
Under the state that above-mentioned protective cap is arranged on above-mentioned bonded block, the inner peripheral surface of above-mentioned protective cap forms the space of the leading section surrounding above-mentioned bonded block, set the mutual size relationship of above-mentioned bonded block and above-mentioned protective cap, on the direction of principal axis of above-mentioned barrel shape, keep compartment of terrain opposed with the leading section of above-mentioned bonded block to make above-mentioned antibacterial impregnation parts;
Possesses the seal member on the outer peripheral face at the position of the inner peripheral surface of the open end being arranged on above-mentioned protective cap or the corresponding with the open end of above-mentioned protective cap of above-mentioned bonded block; under the installment state of above-mentioned protective cap; above-mentioned seal member is pushed between the outer peripheral face of above-mentioned bonded block and the inner peripheral surface of above-mentioned protective cap, forms the air tight construction in above-mentioned space.
2. medicinal liquid communication apparatus as claimed in claim 1, is characterized in that,
One in above-mentioned bonded block is male connector, the rearward end of this male connector has and the above-mentioned installation portion linked be communicated with in object;
Another in above-mentioned bonded block is female connector, and the rearward end of this female connector has the installation portion that be communicated with object link above-mentioned with the 2nd.
3. medicinal liquid communication apparatus as claimed in claim 2, is characterized in that,
Above-mentioned male connector have inner chamber formed the inner core of liquid communication stream and internal diameter than above-mentioned inner core external diameter greatly and be combined in the urceolus in the outside of above-mentioned inner core coaxially;
The front end of above-mentioned inner core is positioned at the side close to the inner portion, front end than above-mentioned urceolus;
Above-mentioned protective cap and above-mentioned female connector are arranged on the outside of above-mentioned urceolus.
4. medicinal liquid communication apparatus as claimed in claim 2, is characterized in that,
Above-mentioned male connector has the airtight valve covered by inner chamber in leading section;
Above-mentioned female connector have inner chamber formed the inner core of liquid communication stream and internal diameter than above-mentioned inner core external diameter greatly and be combined in the urceolus in the outside of above-mentioned inner core coaxially, insert in the inner side of above-mentioned urceolus and connect above-mentioned male connector;
When above-mentioned male connector is connected with above-mentioned female connector, the front end of the above-mentioned inner core of above-mentioned female connector is by through for above-mentioned airtight valve, thus stream is open-minded.
5. medicinal liquid communication apparatus as claimed in claim 4, is characterized in that,
In side more forward than above-mentioned airtight valve, be provided be formed in above-mentioned male connector inner face on, form the flange of the opening less than the external diameter of above-mentioned airtight valve.
6. medicinal liquid communication apparatus as claimed in claim 5, is characterized in that,
On above-mentioned flange, be provided with the rib that the front to above-mentioned male connector extends.
7. the medicinal liquid communication apparatus according to any one of claim 2 ~ 6, is characterized in that,
In the inside of above-mentioned protective cap, be provided with position restraining portions, this position restraining portions limits the shift position towards the portion inside in above-mentioned protective cap of above-mentioned male connector and guarantees above-mentioned space.
8. medicinal liquid communication apparatus as claimed in claim 7, is characterized in that,
Above-mentioned position restraining portions is formed by collar flange, on the leading section outer surface of above-mentioned male connector, forms the abutting part with the external diameter larger than the internal diameter of above-mentioned collar flange;
When above-mentioned male connector is connected with above-mentioned protective cap, by the contact of above-mentioned collar flange and above-mentioned abutting part, limit the shift position towards the portion inside in above-mentioned protective cap of above-mentioned male connector.
9. medicinal liquid communication apparatus as claimed in claim 7, is characterized in that,
Above-mentioned male connector and above-mentioned protective cap are configured to, and combine by screwing togather;
The most deep location that above-mentioned male connector and above-mentioned protective cap above-mentioned screws togather plays function as above-mentioned position restraining portions, limits the shift position towards the portion inside in above-mentioned protective cap of above-mentioned male connector.
10. medicinal liquid communication apparatus as claimed in claim 2, is characterized in that,
In the inside of above-mentioned protective cap, be embedded with inner part, by above-mentioned inner part, above-mentioned antibacterial impregnation parts remained on the portion the most inside of above-mentioned protective cap.
11. medicinal liquid communication apparatus as claimed in claim 10, is characterized in that,
Above-mentioned inner part has position restraining portions, and this position restraining portions limits the shift position towards the portion inside in above-mentioned protective cap of above-mentioned male connector and guarantees above-mentioned space.
12. medicinal liquid communication apparatus as claimed in claim 2, is characterized in that,
In the portion the most inside of above-mentioned protective cap, be provided with the reducing diameter part than peristome side path, in above-mentioned reducing diameter part, be configured with above-mentioned antibacterial impregnation parts.
13. medicinal liquid communication apparatus as claimed in claim 1, is characterized in that,
One in above-mentioned connection object is the port of container for medical use being used for injecting nutrient used in enteral nutrition method, and another in above-mentioned connection object comprises for by the enteral nutrition external member of above-mentioned container for medical use with the pipe be connected between patient;
The enteral nutrition adapter be arranged on the port of above-mentioned container for medical use forms one in above-mentioned bonded block;
The one end being arranged on above-mentioned nutrition external member forms another of above-mentioned bonded block with the above-mentioned enteral nutrition adapter that adapter is connected.
14. medicinal liquid communication apparatus as claimed in claim 1, is characterized in that,
One in above-mentioned bonded block is mixed water injection port, and above-mentioned mixed water injection port comprises and is located at the pedestal be communicated with on object, supported and be formed with the valve of the disc shaped of patchhole at central part and have embedded hole that the upper surface of the central part of above-mentioned valve is exposed and cover the lid of the periphery of above-mentioned valve from upper surface side by above-mentioned pedestal from following side;
Another in above-mentioned bonded block is insertosome, and this insertosome can be inserted in above-mentioned mixed water injection port and its inner chamber is formed with liquid flow path;
Above-mentioned protective cap is configured to, and installs above-mentioned mixed water injection port.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009141152 | 2009-06-12 | ||
| JP2009-141152 | 2009-06-12 | ||
| PCT/JP2010/059860 WO2010143693A1 (en) | 2009-06-12 | 2010-06-10 | Medical device for forming liquid communication path |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102802692A CN102802692A (en) | 2012-11-28 |
| CN102802692B true CN102802692B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080025872.3A Active CN102802692B (en) | 2009-06-12 | 2010-06-10 | Medical device for liquid communication |
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| Country | Link |
|---|---|
| JP (1) | JP5278548B2 (en) |
| KR (1) | KR101292899B1 (en) |
| CN (1) | CN102802692B (en) |
| CO (1) | CO6430438A2 (en) |
| HK (1) | HK1178471A1 (en) |
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| US9480833B2 (en) | 2010-07-15 | 2016-11-01 | Becton, Dickinson And Company | Antimicrobial IV access cap |
| AU2012230767A1 (en) | 2011-03-23 | 2013-10-31 | Nxstage Medical, Inc. | Peritoneal dialysis systems, devices, and methods |
| US9861733B2 (en) | 2012-03-23 | 2018-01-09 | Nxstage Medical Inc. | Peritoneal dialysis systems, devices, and methods |
| JP2013042952A (en) * | 2011-08-24 | 2013-03-04 | Jms Co Ltd | Cap and connector system |
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| US9399125B2 (en) | 2013-02-13 | 2016-07-26 | Becton, Dickinson And Company | Needleless connector and access port disinfection cleaner and antimicrobial protection cap |
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| JP6841730B2 (en) * | 2017-06-28 | 2021-03-10 | テルモ株式会社 | Holder |
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| CN1829551A (en) * | 2003-07-31 | 2006-09-06 | 株式会社Jms | Connector system for medical use |
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| JP3058205B2 (en) * | 1991-08-02 | 2000-07-04 | テルモ株式会社 | Medical coupler and cap device |
| US5242425A (en) * | 1991-11-14 | 1993-09-07 | Gish Biomedical, Inc. | Antiseptic catheter coupling septum |
| JP2001309973A (en) | 2000-05-01 | 2001-11-06 | Jms Co Ltd | Connector cap |
| US8740864B2 (en) * | 2005-11-17 | 2014-06-03 | Becton, Dickinson And Company | Patient fluid line access valve antimicrobial cap/cleaner |
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2010
- 2010-06-10 MX MX2011013361A patent/MX2011013361A/en active IP Right Grant
- 2010-06-10 KR KR1020117027451A patent/KR101292899B1/en active IP Right Grant
- 2010-06-10 CN CN201080025872.3A patent/CN102802692B/en active Active
- 2010-06-10 JP JP2011518576A patent/JP5278548B2/en active Active
- 2010-06-10 WO PCT/JP2010/059860 patent/WO2010143693A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829551A (en) * | 2003-07-31 | 2006-09-06 | 株式会社Jms | Connector system for medical use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102802692A (en) | 2012-11-28 |
| KR20120032467A (en) | 2012-04-05 |
| CO6430438A2 (en) | 2012-04-30 |
| JPWO2010143693A1 (en) | 2012-11-29 |
| JP5278548B2 (en) | 2013-09-04 |
| MX2011013361A (en) | 2012-01-20 |
| HK1178471A1 (en) | 2013-09-13 |
| KR101292899B1 (en) | 2013-08-02 |
| WO2010143693A1 (en) | 2010-12-16 |
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