CN102802692A - Medical device for forming liquid communication path - Google Patents
Medical device for forming liquid communication path Download PDFInfo
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- CN102802692A CN102802692A CN2010800258723A CN201080025872A CN102802692A CN 102802692 A CN102802692 A CN 102802692A CN 2010800258723 A CN2010800258723 A CN 2010800258723A CN 201080025872 A CN201080025872 A CN 201080025872A CN 102802692 A CN102802692 A CN 102802692A
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- protective cap
- 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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- Heart & Thoracic Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- 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)
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- 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 for example to be used for to connect the electrical connector of therapeutic medical pipe such, be used for forming the medicinal liquid communication apparatus that is communicated with stream through the bonded block that is installed in respectively on the unit that is communicated with object is mutually combined.Be particularly related at least one that comprises the bonded block that can be installed in the state that is separated from each other, possess the fluid connection device of structure of the protective cap of sterilizing function.
Background technology
As the therapeutic medical adapter of an example of medicinal liquid communication apparatus, knownly be used for patient's side transfer tube (prolonging pipe) and bag adapter that is connected that dialysis solution is housed when for example having the dialysis solution of using in peritoneal dialysis change.Peritoneal dialysis (PD) therapy is via the peritoneal catheter of heeling-in in advance in patient's abdominal cavity in the surgery dialysis solution to be stored in intraperitoneal, to utilize the blood capillary of peritoneum will accumulate in the therapy of intravital contaminant filter.The patient is connecting in the external side of peritoneum perfusion catheter under the state of the transfer tube (prolonging pipe) that uses continuously and is carrying out daily life.And patient self is inferior more than a day to be connected dialyzate bag on the front end of transfer tube, changes Intraabdominal dialysis solution.
What carry out becoming problem most aspect this peritoneal dialysis be: when this dialysis solution that repeatedly carried out in 1 day was changed, mistake made in the air or attached to the antibacterial on the skin and enters into intraperitoneal with dialysis solution.If antibacterial enters into intraperitoneal, then might peritoneum be inflamed and suffer from peritonitis.
So, under the situation of carrying out peritoneal dialysis importantly: for for the adapter on the front end that is installed in transfer tube with being connected of dialyzate bag, reduce the pollution that brings by antibacterial.Utensil or tissue etc. is being carried out under the germ-resistant situation, using betagen solution usually.In the case, conventional method is a coating solution and make its effect on object.Thereby; Under the situation of the medical connector of above-mentioned that kind; Also, carry out the antibacterial (with reference to patent documentation 1～3) of adapter leading section through possess the porous metallic substance that contains the sponge that is soaked with antibacterial such as povidone iodine etc. covering on the adapter of the front end that the is located at transfer tube medicated cap of (below be made as the impregnation parts).
With reference to Figure 13, cutaway view shown in Figure 14, disclosed medical connector device in patent documentation 2 is described.Figure 13 (a) expression is as the bag side-connector 110 that is located at the female connector on the dialyzate bag.Figure 14 (b) expression constitutes patient's side-connector 130 of male connector.Figure 13 (b) expression bag side-connector is with medicated cap 120, and Figure 14 (a) expression patient side-connector is with medicated cap 140.
Bag side-connector 110 is made up of the double wall of the 1st ring-type intubate (lure) portion 111 and the 1st front end cylindrical portion 112, on the base end part 115 of the 1st ring-type intubate portion 111, is provided with the 1st pipe jointing part 116.The 1st pipe jointing part 116 is connected with pipe 119 on being connected dialyzate bag.On the periphery of base end part 115, be provided with recess 117, on the cardinal extremity of the 1st front end cylindrical portion 112, be provided with protuberance 118.The 1st front end cylindrical portion 112 is inlaid on the base end part 115, via recess 117 and protuberance 118, and can be with respect to the 1st pipe jointing part 116 and the 111 independent combinations rotatably of the 1st ring-type intubate portion.Be formed with female thread 113 interior week in the 1st front end cylindrical portion 112.In addition, near the inner peripheral surface the front end of the 1st ring-type intubate portion 111, imbed the seal member 114 that constitutes by elastomeric material.
On the other hand, patient's side-connector 130 is made up of front end cylindrical portion 132, the base end part 134 that is formed on its 2nd inboard ring-type intubate portion 131 and has the 2nd pipe jointing part 135.The 2nd pipe jointing part 135 is connected with pipe 136.The cardinal extremity of front end cylindrical portion 132 is combined on the base end part 134, and front end cylindrical portion 132 is extended more longways, so that it covers the front end of the 2nd ring-type intubate portion 131.On the periphery of front end cylindrical portion 132, be formed with the pin thread 133 that screws togather with the female thread 113 of the front end cylindrical portion that is located at bag side-connector on 112 interior weeks.In addition, the periphery of the 2nd ring-type intubate portion 131 can with seal member liquid on week in the leading section of the 1st ring-type intubate portion 111 that is formed on bag side-connector circumferential contact thickly.
Make bag side-connector and patient's side-connector approaching, and front end cylindrical portion 112 is rotated independently, thereby pipe 119,136 is reversed and female thread 113 and pin thread 133 are screwed togather, two adapters are linked.
Patient's side-connector medicated cap 140 is made up of the 3rd inner core 141, the 3rd urceolus 142 and the bolt 146 of interlocking on the 3rd inner core front end that form with concentric circles around the 3rd inner core 141.On the interior week of the 3rd urceolus 142; Be formed with the periphery of front end cylindrical portion 132 that is formed on patient's side-connector on the female thread 143 that screws togather of pin thread 133; On the inner edge portion of the 3rd outer cylinder front end that female thread 143 finishes, dispose the seal member 145 that constitutes by elastomeric material.On the cardinal extremity of the 3rd inner core 141, the antibacterial liner 144 that contains antibacterial is installed.
Bolt 146 is formed by elastomeric material, is urged in the 2nd ring-type intubate portion 131 and liquid thickly seals.In addition, antibacterial liner 144 carries out antibacterial to front end cylindrical portion 132 patient's side-connector 130 being screwed to 140 last times of patient's side-connector medicated cap.Seal among patient's side-connector medicated cap that seal member 145 will screw togather with patient's side-connector, do not receive pollution from the outside to protect it.
Bag side-connector medicated cap 120 has the 4th front end cylindrical portion 121 and the 4th medicated cap base end part 123.On the 4th front end cylindrical portion 121, be formed with and be used for and be formed on the pin thread 122 that the female thread 113 on interior week of the 1st front end cylindrical portion 112 screws togather.
Through the electrical connector of said structure, when the injection of dialysis solution finish, with patient's side-connector 130 and bag side-connector 110 combine to remove the time, installation and be screwed into new patient's side-connector medicated cap 140 in patient's side-connector 130.Under this state, on the antibacterial liner 144 that patient's side-connector front end cylindrical portion 132 is urged in patient's side-connector medicated cap 140, keep the antibacterial state.
The prior art document
Patent documentation
Patent documentation 1: japanese kokai publication sho 59-500801 communique
Patent documentation 2: japanese kokai publication hei 8-155025 communique
Patent documentation 3: japanese kokai publication hei 8-215311 communique
Brief summary of the invention
The technical problem that invention will solve
In the past, in medical scene, general through making antibacterial directly contact the antibacterial of carrying out the sterilization object thing with the sterilization object thing.Therefore, in the structure that patent documentation 1,2 is put down in writing, the impregnation parts in the medicated cap are the structure that must contact with the leading section of adapter.Through this structure, by the leading section pushing impregnation parts of adapter, the antibacterial in the impregnation parts oozes out.
But through this structure, the antibacterial that might ooze out is immersed in the internal flow path of adapter or conduit from the leading section of adapter, or the antibacterial that oozes out escapes to the outside from the junction surface of adapter and medicated cap and with the problem of ambient contamination that kind.As a result, might antibacterial be immersed in patient's body, bring harmful effect for PD patient's health via the internal flow path of transfer tube.
In addition, in the method that patent documentation 3 is put down in writing, also need protective cap and packaged unit pushed impregnation parts (absorbing material 10) when conduit is pulled down, the antiseptic that ooze out this moment might be from spilling between protective cap and the packaged unit with ambient contamination.
Such problem is not limited to connect the adapter of the pipe that peritoneal dialysis uses, and is common about the adapter that in the position that needs connection liquid flow paths such as tube for transfusion, uses.More generally saying, is to be used for forming the common problem of medicinal liquid communication apparatus that is communicated with stream through being installed in the bonded block that is communicated with on the object respectively.More particularly, be to comprise on the bonded block that can be installed in the state that is separated from each other, possess common problem in the structure of protective cap of sterilizing function.
Summary of the invention
So; The purpose of this invention is to provide a kind of medicinal liquid communication apparatus; This medicinal liquid communication apparatus through install with antibacterial impregnation parts remain on portion inside protective cap, can be to the leading section antibacterial fully of bonded block, and can avoid leading section contact by bonded block on antibacterial impregnation parts and the spilling of the antibacterial that causes.
The means that are used for the technical solution problem
Medicinal liquid communication apparatus of the present invention possesses: bonded block forms the connection stream between above-mentioned connection object through being installed in respectively to be communicated with on the object and to mutually combine; Protective cap has an end by the barrel shape of shutoff, and antibacterial impregnation parts are remained on portion the most inside, can be installed at least one of above-mentioned bonded block of the state that is separated from each other.
In order to address the above problem; Medicinal liquid communication apparatus of the present invention is characterised in that; Be installed under the state on the above-mentioned bonded block at above-mentioned protective cap; The inner peripheral surface of above-mentioned protective cap forms the space of the leading section that surrounds above-mentioned bonded block, sets the mutual size relationship of above-mentioned bonded block and above-mentioned protective cap, so that above-mentioned antibacterial impregnation parts keep the leading section of compartment of terrain and above-mentioned bonded block opposed; Possesses the seal member on the outer peripheral face at inner peripheral surface or the position corresponding above-mentioned bonded block of the open end that is installed in above-mentioned protective cap with open end above-mentioned protective cap; Under the installment state of above-mentioned protective cap; Above-mentioned seal member is urged between the inner peripheral surface of the outer peripheral face of above-mentioned bonded block and above-mentioned protective cap, forms above-mentioned spatial air tight construction.
The invention effect
According to said structure, through installing antibacterial impregnation parts are remained on the protective cap of portion inside, thereby can access sufficient bactericidal effect even antibacterial impregnation parts do not contact with the leading section of bonded block yet.And, can avoid by the contact of the leading section of bonded block on antibacterial impregnation parts and the spilling of the antibacterial that causes.
Description of drawings
Figure 1A is male connector and the axonometric chart of protective cap of representing to constitute the medical connector device of embodiment 1 of the present invention with released state.
Figure 1B is illustrated in the axonometric chart that the state of protective cap is installed on the male connector of this medical connector device.
Fig. 2 A is the axonometric chart that expression constitutes the female connector of this medical connector device.
Fig. 2 B is expression with the male connector of Figure 1A axonometric chart with state after the female connector of Fig. 2 A is connected.
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 cutaway 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 cutaway view along the A-A line of Fig. 4 A.
Fig. 4 D is the cutaway view along the B-B line of Fig. 4 B.
Fig. 5 A is the male connector of expression Figure 1A and the cutaway view of protective cap.
Fig. 5 B is the male connector of expression Figure 1B and the front view of protective cap.
Fig. 5 C is the male connector of presentation graphs 5B and the in-built cutaway 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 cutaway view of the female connector of Fig. 6 A.
Fig. 7 A is male connector and the cutaway view of female connector of expression under the decomposing state.
Fig. 7 B is male connector and the front view of female connector of expression under the connection status.
Fig. 7 C is the male connector of Fig. 7 B and the cutaway view of female connector.
Fig. 8 is the figure of experimental result of the effect of oozing out of inhibition povidone iodine (povidone iodine) solution of the expression medical connector device that is used for confirming embodiment 1 of the present invention.
Fig. 9 A is that expression is used for confirming that the sterilizing ability of this medical connector device keeps the curve chart of experimental result of the acceleration keeping of performance.
Fig. 9 B is that expression is used for confirming that the sterilizing ability of this medical connector device keeps the curve chart of experimental result of the room temperature keeping of performance.
Figure 10 A representes that the enteral nutrition of formation embodiment 2 of the present invention is with the adapter of electrical connector and the front view of protective cap.
Figure 10 B is the in-built cutaway view of this protective cap of expression.
Figure 10 C is the front view that only is illustrated in the state that protective cap is installed on the adapter with the cross section of protective cap.
Figure 11 A is the mixed water injection port of the expression mixed water injection port device that constitutes embodiment 3 of the present invention and the axonometric chart of protective cap.
Figure 11 B is the in-built cutaway view of this protective cap of expression.
Figure 12 is the axonometric chart of another form of expression mixed water injection port.
Figure 13 representes the cutaway view of the structure of the medical connector device of example in the past.
Figure 14 representes the cutaway view of the structure of the medical connector device of example in the past.
The specific embodiment
Medicinal liquid communication apparatus of the present invention is the basis with the said structure, can take following such form.
That is, can make following structure: one in the above-mentioned bonded block is male connector, and portion has and an above-mentioned banded installation portion that is communicated with object in its back-end; In the above-mentioned bonded block another is female connector, and portion has and the 2nd above-mentioned banded installation portion of object that is communicated with in its back-end.
Can make following structure: above-mentioned male connector has inner chamber and forms liquid communication is combined in the outside of above-mentioned inner core greatly and coaxially with the inner core and the internal diameter of stream than the external diameter of above-mentioned inner core urceolus; 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 installed in the outside of above-mentioned urceolus.
Preferably, above-mentioned male connector has the airtight valve that inner chamber is covered at leading section; Above-mentioned female connector has inner chamber and forms liquid communication and be combined in the urceolus in the outside of above-mentioned inner core with the inner core of stream and internal diameter greatly and coaxially than the external diameter of above-mentioned inner core, in the insertion of the inboard of above-mentioned urceolus and connect above-mentioned male connector; When above-mentioned male connector was connected with above-mentioned female connector, the front end of the above-mentioned inner core of above-mentioned female connector connected above-mentioned airtight valve, thereby stream is open-minded.
In the case, preferably, the flange of the opening that forward more distolateral, be provided with on the inner face that is formed on above-mentioned male connector, formation is littler than the external diameter of above-mentioned airtight valve than above-mentioned airtight valve.
In addition, preferably, on above-mentioned flange, be provided with the rib of the front that extends to above-mentioned male connector.
In addition, can make following structure: in the inside of above-mentioned protective cap, be provided with the above-mentioned male connector of restriction the portion inside in above-mentioned protective cap the shift position and guarantee above-mentioned spatial position limit portion.
In addition, can make following structure: above-mentioned position limit portion is formed by collar flange, on the leading section outer surface of above-mentioned male connector, forms the abutting part with external diameter bigger than the internal diameter of above-mentioned collar flange; When above-mentioned male connector is connected with above-mentioned protective cap,, limit the shift position of the portion inside in above-mentioned protective cap of above-mentioned male connector through contacting of above-mentioned collar flange and above-mentioned abutting part.
In addition, can make following structure: above-mentioned male connector and above-mentioned protective cap constitute, and combine through screwing togather; The above-mentioned deep-seated that screws togather of above-mentioned male connector and above-mentioned protective cap is put the performance function as above-mentioned position limit portion, the shift position of limiting the portion inside in above-mentioned protective cap of above-mentioned male connector.
In addition, can make following structure: in the inside of above-mentioned protective cap, embed inner part, above-mentioned antibacterial impregnation parts are remained on the portion the most inside of above-mentioned protective cap through above-mentioned inner part.
In addition, can make following structure: above-mentioned inner part have the above-mentioned male connector of restriction the portion inside in above-mentioned protective cap the shift position and guarantee above-mentioned spatial position limit portion.
In addition, can make following structure: in the portion the most inside of above-mentioned protective cap, be provided with the reducing diameter part of ratio open portion side path, in above-mentioned reducing diameter part, dispose above-mentioned antibacterial impregnation parts.
In addition; Can make following structure: in the above-mentioned connection object one is the port that being used for of in the enteral nutrition method, using injected the container for medical use of nutrient etc., and another in the above-mentioned connection object is to comprise the enteral nutrition external member that connects the pipe between above-mentioned container for medical use and the patient; Under this situation, the enteral nutrition that is arranged on the port of above-mentioned container for medical use constitutes in the above-mentioned bonded block with adapter; Be arranged on the end of above-mentioned nutrition external member and constitute in the above-mentioned bonded block another with adapter that above-mentioned enteral nutrition is connected with adapter.
In addition; Can make following structure: one in the above-mentioned bonded block is the mixed water injection port, above-mentioned mixed water injection port comprise be located at the pedestal that is communicated with on the object, by above-mentioned pedestal from following side support and be formed with at central part patchhole disc shaped valve and have embedded hole that the upper surface of the central part that makes above-mentioned valve exposes and cover the lid of the periphery of above-mentioned valve from upper surface side; In the above-mentioned bonded block another be can be inserted in the above-mentioned mixed water injection port, insertion body that its inner chamber forms liquid flow path; Under this situation, above-mentioned protective cap constitutes, and can install above-mentioned mixed water injection port.
Below, with reference to accompanying drawing the medicinal liquid communication apparatus of embodiment of the present invention is explained particularly.
(embodiment 1)
The medicinal liquid communication apparatus of embodiment 1 of the present invention connects the medical connector device that uses with the pipe in the peritoneal dialysis and is application examples.At first, with reference to Figure 1A～Fig. 2 B, the summary of the medical connector device of this embodiment is described.Figure 1A constitutes the male connector 1 of this medical connector device and the axonometric chart of protective cap 2 with the STA representation that decomposes.Figure 1B is the male connector 1 of expression Figure 1A and the axonometric chart of the state that protective cap 2 is joined together.Fig. 2 A is the axonometric chart that expression constitutes the female connector 3 of this medical connector device.The axonometric chart of Fig. 2 B state that to be the male connector 1 of expression shown in Figure 1A be joined together with the female connector 3 shown in Fig. 2 A.
In this embodiment, male connector 1 is used as patient's side-connector and uses, and female connector 3 is used as the bag side-connector that is located on the dialyzate bag and uses.Male connector 1, protective cap 2, and female connector 3 all by resin formation.
Shown in Figure 1A, male connector 1 is at the pipe 4 that is equipped with on the rearward end on the peritoneal catheter that is connected in the abdominal cavity of for example heeling-in the patient.Front portion at pipe 4 is provided with the handle part 5 that is used for operating male connector 1, and its front forms the joint portion with protective cap 2 and female connector 3.This joint portion by cylindrical portion 6 and form than cylindrical portion 6 slightly the front end minor diameter part 7 of path constitute.On the outer peripheral face of cylindrical portion 6, be formed with thread groove 6a.On the cardinal extremity of cylindrical portion 6,6b is formed with jump by large-diameter portion, and with this large-diameter portion 6b butt the elastic ring 8 as seal member performance function is installed.
The loop front end of female connector 3 and for example peritoneal dialysis units such as two bags, Y external member (set), APD etc. is connected.Shown in Fig. 2 A, mounting pipe 9 on rearward end.Front portion at pipe 9 is provided with the handle part 10 that is used for operating female connector 3, and 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, this engaging protrusion 12 be used for when being connected engaging with thread groove 6a with male connector 1 and with male connector 1 and female connector 3 combine fix.The engaging protrusion that is arranged on the inner peripheral surface of protective cap 2 is same with this engaging protrusion 12 also.
In the inside of urceolus 11, insert male connector 1, screw togather, shown in Fig. 2 B, male connector 1 is connected with female connector 3 and fixes through thread groove 6a and engaging protrusion 12.If female connector 3 is connected with male connector 1, then manages 4,9 streams and be communicated with through the inner chamber of perforation two adapters 1,3.But, in Fig. 2 B, female connector about 3 counter-rotatings are described with respect to Fig. 2 A.
Characteristic of this embodiment such as following explanation are and the combination relevant structure of male connector 1 with protective cap 2.Thereby, with reference to Fig. 3 A～5C, the structure of male connector 1 and protective cap 2 is at length explained.At first, the structure to protective cap 2 describes.
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 cutaway view of the male connector 1 of Fig. 3 A.Shown in Fig. 3 C, male connector 1 is divided into cylindrical portion 6, be installed in the inner part 13 in the inner chamber of cylindrical portion 6 and be attached at the handle part 5 on the rear portion of cylindrical portion 6 and form.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, dispose the airtight valve 14 (the for example barrier film that has the slit (septum) of rubber system) that inner chamber is covered.On the leading section inner peripheral surface of cylindrical portion 6, be provided with the flange 15 of the formation opening littler than the profile of airtight valve 14, between the front end and flange 15 of inner part 13, maintain airtight valve 14.On flange 15, be provided with the rib 15a of distolateral extension forward.
In addition, through the flange on the inner peripheral surface that is located at cylindrical portion 6 15, can access following effect: promptly easily airtight valve 14 is remained in the stream and suppress finger from male connector 1 front end side contact on airtight valve 14.Through rib 15a is set, can further improve this effect on flange 15.
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 cutaway view along the A-A line of Fig. 4 A, and Fig. 4 D is the cutaway view along the B-B line of Fig. 4 B.
On the inner peripheral surface of the open side end of inner part 17, be formed with engaging protrusion 17b.The thread groove 6a and the screwing togather of engaging protrusion 17b that combine the outer peripheral face through male connector 1 of male connector 1 and protective cap 2 form.In addition, screw togather structure through this, the bonded deep-seated of restriction male connector 1 and protective cap 2 is put.Thereby, when male connector is connected with protective cap, screw togather structure, the shift position of the portion inside in protective cap 2 of this position limit unit restriction male connector 1 as position limit unit performance function.
In addition, on the pars intermedia inner peripheral surface of inner part 17, be formed with collar flange 17c, as same position limit portion performance function.That is, on the leading section outer surface of male connector 1, form abutting part 6b with external diameter bigger than the internal diameter of collar flange 17c.Therefore, when on male connector 1, protective cap 2 being installed, through contacting of collar flange 17c and abutting part 6b, the shift position of restriction male connector 1.
Then, with reference to Fig. 5 A～Fig. 5 C, state and effect when on male connector 1, protective cap 2 being installed describe.Fig. 5 A is decomposing state male connector 1 and the cutaway view of protective cap 2 down of expression Figure 1A, and Fig. 5 B is male connector 1 and the front view of representing under the bonding state of Figure 1B of protective cap 2, and Fig. 5 C is the male connector 1 of Fig. 5 B and the cutaway view of protective cap 2.
At this moment; As stated; Be formed on collar flange 17c on the inner peripheral surface of inner part 17 of protective cap as position limit portion performance function, in addition, put the restriction structure that forms as position limit portion performance function by the deep-seated that screws togather of male connector 1 and protective cap 2.Thus, between the inner face of the periphery of the leading section of male connector 1 and protective cap 2, form space 19 (with reference to Fig. 5 C).Through this spatial formation, remain on that antibacterial impregnation parts 18 on the protective cap 2 are maintained at the interval that keeps regulation and not with the opposed state of the preceding end in contact of male connector 1.
In addition, elastic ring 8 is pressed against between the inner peripheral surface of outer peripheral face and protective cap 3 of male connector 1, keep the airtight of space 19 thus.Therefore, iodine is filled in the space 19 from containing antibacterial impregnation parts 18 distillations that are soaked with betagen solution, fully obtains the bactericidal action for the leading section that is enclosed in the male connector 1 in the space 19.In addition, in above-mentioned example, elastic ring 8 outer being embedded on the male connector 1, but for space 19 is airtight, elastic ring 8 also can be embedded in the inside of protective cap 2.In a word, so long as in that protective cap 2 to be installed to male connector 1 last time elastic ring 8 just passable by both structures of pushing of protective cap 2 and male connector 1.
But elastic ring 8 is embedded on the adapter of patient's side outside preferably under with the situation of adapter of pipe in peritoneal dialysis.Because the adapter with respect to protective cap and dialysis fluid side only uses 1 time, the adapter of patient's side is changed 1 time half a year, so can cut down the cost that elastic ring 8 is set.If the Guan Ze of other application targets is not this restriction.
Like this; Through after the result of experiment stated, the interval that regulation is set between the front end of antibacterial impregnation parts 18 and male connector 1 even confirmed antibacterial impregnation parts 18 directly not contact with the front end of male connector 1 also can access sufficient bactericidal effect.
Thereby, according to the medical connector device of this embodiment, protective cap 2 is installed through front at male connector 1, can easily keep the antibacterial state of the leading section of male connector.And, according to this embodiment, owing between the front end of antibacterial impregnation parts 18 and male connector 1, be provided with the interval of regulation, so can avoid receiving oozing out of antibacterial that pushing force causes because of antibacterial impregnation parts 18.Thereby the antibacterial that can avoid oozing out is immersed in the internal flow path of adapter or conduit or the antibacterial that oozes out escapes to the outside and the undesirable condition that ambient contamination is such from the junction surface of adapter and medicated cap from the leading section of adapter.
Then, with reference to Fig. 6 A～Fig. 7 C the structure and the effect of female connector 3 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 cutaway view of the female connector 3 of Fig. 6 A.
Then, state and the effect when male connector 1 is connected with female connector 3 describes with reference to Fig. 7 A～Fig. 7 C.Fig. 7 A is expression decomposing state male connector 1 and the cutaway view of female connector 3 down, and Fig. 7 B is male connector 1 and the front view of representing under the connection status of female connector 3, and Fig. 7 C is the male connector 1 of Fig. 7 B and the cutaway view of female connector 3.
When connecting, shown in Fig. 7 A, make the front end opening of female connector 3 be opposite to the front end of male connector 1, male connector 1 pushed on one side make its rotation on one side.Thus, via engaging of the thread groove 6a of the engaging protrusion on the inner face that is located at female connector 3 12 and the outer peripheral face of male connector 1, female connector 3 is fixed on the front end of male connector 1.
At this moment, along with the entering of male connector 1 to female connector 3, expanding and connect on one side in the slit that inner core leading section 20a will be installed on one side the airtight valve 14 on the front end of male connector 1, reaches the inside of male connector 1, makes stream open-minded.
In addition, for the installation of the protective cap 2 of above that kind, or with being connected of female connector 3, male connector 1 also can be made other forms.That is, making male connector form liquid communication by inner chamber constitutes than the urceolus that the external diameter of inner core is combined in the outside of inner core greatly and coaxially with the inner core of stream and internal diameter.The front end that the front end of inner core is positioned at than urceolus leans on private side, and protective cap and female connector are installed in the outside of urceolus.According to this structure, even the situation on the male connector leading section is touched in misconnection, also can avoid contacting on the inner core of liquid communication, can protect inner core.Since attached to the antibacterial on the urceolus as long as the covering protection medicated cap just can antibacterial as above-mentioned, so antibacterial can not invade in the stream.
Below, the result of experiment of the effect that obtains when being used for confirming in the medical connector device of this embodiment, on male connector 1, protective cap 2 to be installed describes.Through experiment confirm:, can access sufficient bactericidal effect through between the inner face of the periphery of the leading section of male connector 1 and protective cap 2, forming airtight space 19, in this confined space, antibacterial impregnation parts 18 being maintained the compartment of terrain that keeps regulation and the opposed state of front end of male connector 1.In addition, confirmed to have avoided this moment the antibacterial that oozes out, can avoid of the antibacterial that causes because of contacting of the front end of antibacterial impregnation parts 18 and male connector 1 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 through betagen solution with non-contacting state be opposite to the leading section of male connector 1 structure, obtain the effect that the antibacterial with the leading section that is present in male connector 1 removes extremely, verify.
Experimental technique is following.At first; As estimating 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).Under the situation of staphylococcus, prepare to have added the normal saline of 0.01% tween (Tween) 80 (polyoxyethylene 20 sorbitan monooleate (Polyoxyethylene Sorbitan Monooleate)), under the situation of other strains, prepare to be dissolved in the liquid in the normal saline.
Then, the leading section suction pipe to male connector 1 injects 10
3The bacterium liquid of CFU/20 μ L behind the installation protective cap 2, leaves standstill 3hr under the cryogenic conditions of 10 ℃ of 30-35 ℃ body temperature conditioned disjunctions.Then; Protective cap 2 is pulled down; With male connector 1 be encased in stir 30sec among rinsing liquid (liquid (Fluid) D-ST liquid/by biological Mei Liai (BioMerieux) make) 10mL after, filter with the filter of
0.45 μ m.After should handling repetition 3 times, with this filter carry put in the SCD agar culture medium 30-35 ℃ cultivate down after, confirmed viable count.
As embodiment 1 based on this embodiment; Use contains the example that is soaked with 10% betagen solution in the antibacterial impregnation parts 18 of protective cap 2; As comparative example 1, use replaces betagen solution and contains the example that is soaked with normal saline in the antibacterial impregnation parts 18 of protective cap 2.
With reference to (table 1) result of experiment is described.For comparative example 1, under which kind of temperature conditions, all can not find out the variation of the bacterium number of self-straw injection, and, under which kind of condition, can both whole strains be killed for embodiment 1.Thereby, being not in contact with the state on the leading section of male connector 1 even can confirm betagen solution, also can the antibacterial that be present on the adapter leading section be removed extremely.
[table 1]
* suction pipe injects bacterium several 10
3CFU
[experiment 2: betagen solution is sneaked into test]
After protective cap 2 and removal are installed, the adapter duct portion has been carried out under the situation of logical liquid, confirm whether the betagen solution in the antibacterial impregnation parts 18 of protective cap 2 is blended in the logical liquid.
Experimental technique is following.That is, after protective cap 2 being installed on the leading section of male connector 1 and being left standstill 4hr, protective cap 2 is pulled down, after connecting female connector 3 on this male connector 1, to carrying out the logical liquid of 20mL ultra-pure water in managing, as embodiment 2.This ultra-pure water is carried out the quantitative of available iodine through using the 0.02N hypo solution as the oxidimetry of volumetric solution.The example that to carry out same test to the adapter of product in the past was as comparative example 2 (product all was that the adapter front end contacts with betagen solution) in the past.
Fig. 8 according to the expression result of experiment can know that in embodiment 2,2A～2D compares with comparative example, although the available iodine amount in the impregnation parts is more, does not find out sneaking in logical liquid.
Can confirm through this result,, can avoid the oozing out of betagen solution in the antibacterial impregnation parts 18 through making antibacterial impregnation parts 18 and adapter noncontact.
[experiment 3: sterilizing ability keeps the checking of performance]
To confirming between the storage life that can the antibacterial of the leading section that is present in male connector 1 be removed extremely.Experimental technique is following.Promptly; Protective cap 2 is installed on male connector 1; Pack the back at 40 ℃/75%RH (relative humidity with the aluminum packaging material; Relative humidity) quickens keeping under the condition, carry out water quantities and effectively iodometric time dependent evaluation in the betagen solution important for sterilizing ability.About water quantities, calculate with the difference of keeping back weight through weight before measuring keeping.
About the available iodine amount, protective cap 2 was immersed in 99.5% ethanol after the evening, again through clean fully extracts povidone iodine after, carry out the quantitative of available iodine through using the 0.01M hypo solution as the oxidimetry of volumetric solution.At this moment, according to the inspection amount line of test making betagen solution, calculate the available iodine amount of subject thus.Meanwhile, take care of too at ambient temperature, quicken to take care of the relation of taking care of with room temperature according to water quantities, available iodine amount data validation.
In addition, this is tested through carrying out sterilizing ability with experiment 1 same test, during the research sterilizing ability can keep.In addition, temperature conditions is made as 1 condition of 30-35 ℃, estimates 1 strain that strain is made as staphylococcus epidermidis.As comparative example 3, replace the betagen solution of impregnation in the impregnation parts of protective cap 2 and use and contain the example that is soaked with normal saline.
The experimental result that will speed up keeping is illustrated among Fig. 9 A, and the result of experiment that room temperature is taken care of is illustrated among Fig. 9 B.Can know that according to this experimental result according to the water quantities between each maintaining period and effective iodometric contrast, room temperature keeping 12M (moon) is equivalent to quicken keeping 6W (week), room temperature keeping 24M is equivalent to quicken keeping 12W.Thereby, can confirm to quicken to take care of between 8 times of corresponding maintaining periods that are equivalent to take care of with room temperature.
In addition, the result with the sterilizing ability test is illustrated in (table 2).The result of this test is quickening to have found out viable bacteria under the keeping 18W, so under the situation of embodiment 3, can confirm in quickening keeping 15W, can keep sufficient sterilizing ability.
[table 2]
* suction pipe injects bacterium several 10
3CFU
Through above result, be equivalent to room temperature keeping 2 years half owing to quicken keeping 15W, can keep about 2 years half so can confirm sterilizing ability.
[experiment 4: the checking of the concentration of sterilant in the confined space and the relation of noncontact sterilizing ability]
Carried out experiment that the variation of the noncontact sterilizing ability that brought by the concentration of sterilant in the confined space is investigated.
(1) step 1
At first, as step 1, carry out following experiment.That is, use 10% betagen solution (embodiment 4), use 10 as estimating strain as antibacterial
3The staphylococcus epidermidis of CFU, and with the comparison of estimating strain in use normal saline (comparative example 4).
Make the sponge betagen solution of impregnation 10 μ l, 50 μ l, 150 μ l, 300 μ l respectively.To contain on the packing ring of plunger that the sponge that is soaked with betagen solution is installed to the 5ml syringe, pilot plunger is so that the space becomes 630ml.
To injecting 10 of 20 μ l with sponge opposition side (syringe front end small diameter part) suction pipe
3The bacterium liquid of CFU (with the normal saline dilution that is added with 0.01% tween (Tween) 80) is also airtight.It is at room temperature left standstill, after 1 hour, measure viable count.This result of experiment is illustrated in (table 3).
[table 3]
* suction pipe injects bacterium several 10
3CFU
According to this experimental result, calculate the ratio with respect to the confined space volume of the needed betagen solution of kill bacteria.Can know that at spatial volume be 630mm
3Situation under, as long as 10% betagen solution is more than the 50 μ l, just can be with 10
3The staphylococcus epidermidis of CFU is killed.
(2) step 2
Then, carry out following experiment as step 2.That is, make the betagen solution of sponge impregnation 10 μ l, 50 μ l, 150 μ l, 300 μ l respectively.To contain on the packing ring of plunger that the sponge that is soaked with betagen solution is installed to the 5ml syringe, pilot plunger is so that the space becomes each evaluation volume.Each evaluation volume is made as 630mm
3, 378mm
3, 189mm
3, 126mm
3
To injecting 10 of 20 μ l with sponge opposition side (syringe front end small diameter part) suction pipe
3The bacterium liquid of CFU (with the normal saline dilution that is added with 0.01% tween (Tween) 80).After at room temperature leaving standstill, measure viable count according to each evaluation time, the deadline is killed in investigation.Its result is illustrated in (table 4).Evaluation time is made as 0.5hr and 1hr.
[table 4]
* suction pipe injects bacterium several 10
3CFU
Can know according to this experimental result, about more than 8% as long as 10% betagen solution exists with respect to spatial volume, just can be with 10
3The staphylococcus epidermidis of CFU is killed.
(embodiment 2)
The medicinal liquid communication apparatus of embodiment 2 of the present invention is the examples that are changed to application examples with the connector device that in the enteral nutrition method, uses.With reference to Figure 10 A～Figure 10 B the enteral nutrition of this embodiment structure with electrical connector is described.
In the enteral nutrition method, lead to stomach or liquid object such as the input of duodenal pipe nutrient, liquid food or medicament via nasal cavity from the patient.When throwing in nutrient etc., at first, nutrient etc. is injected in the container for medical use.Then, on the port of container for medical use (logical liquid portion), be connected and installed in the adapter on the end of the injection circuit external member that comprises pipe.And then, be that the mode of downside is suspended on the hook with container for medical use with the show loving care for port of circuit external member of connection.Under the state that container for medical use is suspended on the hook, the adapter that is installed on the other end that injects the circuit external member is connected on the adapter of the end that is installed in the pipe on the patient, the liquid object such as nutrient in the container for medical use are thrown in the patient.
Figure 10 A representes to connect the port 23 of showwing loving care for into the container for medical use 22 of circuit external member.Port 23 has the enteral nutrition of tube 24 that is formed with the liquid-through hole that liquid object passes through and the front end that forms tube 24 with adapter 25.Adapter 25 is connected through the adapter (not shown) of intubate connected mode with an end that injects the circuit external member.That is, adapter 25 and the medicinal liquid communication apparatus that is installed in this embodiment of adapter formation on the end that injects the circuit external member.
This enteral nutrition also comprises protective cap 26 with electrical connector, under the state that does not use container for medical use 22, protective cap 26 is installed on adapter 25.The internal structure of protective cap 26 is illustrated among Figure 10 B.Protective cap 26 has an end by the barrel shape of shutoff, maintains antibacterial impregnation parts 27 in portion the most inside.On the inner peripheral surface of the open end of protective cap 26, seal member 28 is installed.
Shown in Figure 10 C, protective cap 26 under the state that is installed on the adapter 25, form the front end that surrounds adapter 25 around space 29, antibacterial impregnation parts 27 keep the interval of regulation and opposed with the front end of adapter 25.In addition, be installed under the state on the adapter 25 at protective cap 26, seal member 28 is urged between the inner peripheral surface of the outer peripheral face of adapter 25 and protective cap 26, forms the air tight construction in space 29.
Enteral nutrition according to this embodiment of above that kind is used electrical connector, through protective cap 26 is installed on the leading section of adapter 25, can easily keep the antibacterial state of this part.And, owing between antibacterial impregnation parts 27 and the front end of enteral nutrition, be provided with the space 29 of regulation, so can avoid receiving oozing out of antibacterial that pushing force causes because of antibacterial impregnation parts 27 with adapter 25.Thereby the antibacterial that can avoid oozing out is immersed in the internal flow path of port 23 or the antibacterial that oozes out escapes to the outside and the undesirable condition that ambient contamination is such from the leading section of adapter 25.
In addition, in said structure, protective cap 26 is installed on adapter 25, protective cap is installed, also can access same effect but constitute on the adapter of the end that is installed in the pipe on the patient at the enteral nutrition on the port that is located at container for medical use 22 23.
(embodiment 3)
The medicinal liquid communication apparatus of embodiment 3 is to be the example of application examples with the medical mixed injection port device.With reference to Figure 11 A～Figure 11 B, the structure of the mixed water injection port device of this embodiment is described.
The medical mixed injection port is thrown in the patient under the situation of medicinal liquid etc., in medicinal liquid mixed water injection that will be different with main medicinal liquid is supplied with the liquor charging road to medicinal liquid, the inferior use of situation of perhaps flowing liquid in the liquor charging circuit being sampled.Therefore, the mixed water injection port constitutes, and can the obtuse insertion body of front end be inserted into and be formed on inserting in the hole and carry out aforesaid operations on the valve.
Mixed water injection port 30 shown in Figure 11 A is installed in as the pipe 31 that is communicated with object midway.In addition, being communicated with object and being not limited to pipe, also can be other what kind of forms.On pipe 31, be provided with pedestal 32, on pedestal 32, be equipped with and cover 33.Remain on the valve 34 that central part is formed with the disc shaped of patchhole through pedestal 32 and lid 33.That is, through pedestal 32 sutaining valves 34, lid 33 is connected on the valve 34, and valve 34 in clamping between pedestal 32 and lid 33.Lid 33 has the embedded hole that the central part upper surface that makes valve 34 exposes at central part.Pedestal 32 has the through hole of the inner chamber that leads to pipe 31.
If the valve 34 of this mixed water injection port 30 is connected and insert the such insertion body (not shown) of intubate that constitutes the syringe leading section, the inner chamber that then inserts body is communicated with the inner chamber of managing 31.Thus, can inject and/or collection liquid, if extract intubate from valve 34, then valve 34 cuts out through its elasticity.That is the mixed water injection port device that, is made up of mixed water injection port 30 and insertion body constitutes the medicinal liquid communication apparatus of this embodiment.
The mixed water injection port device also comprises protective cap 35, under the state that does not use mixed water injection port 30, protective cap 35 is installed on mixed water injection port 30.
The internal structure of expression protective cap 35 in Figure 11 B.Protective cap 35 has an end by the barrel shape of shutoff, maintains antibacterial impregnation parts 36 in portion the most inside.On the inner peripheral surface of the open end of protective cap 35, seal member 37 is installed.
According to the medical mixed injection port device of this embodiment of above that kind,, can easily keep the antibacterial state of this part on the upper end of mixed water injection port 30 through protective cap 35 is installed.And, owing between the front end of antibacterial impregnation parts 36 and mixed water injection port 30, be provided with the space of regulation, so can avoid receiving oozing out of antibacterial that pushing force causes because of antibacterial impregnation parts 36.Thereby the antibacterial that can avoid oozing out is immersed in the internal flow path of pipe 31 or the antibacterial that oozes out escapes to the outside and the undesirable condition that ambient contamination is such from the leading section of mixed water injection port 30.
Figure 12 is the axonometric chart of mixed water injection port device of another form of this embodiment of expression.For giving identical label and omit multiple explanation with the same key element of mixed water injection port device shown in Figure 11 A.In this form, on an end of pipe 31, mixed water injection port 30 is installed.In such form, also, can access and above-mentioned same effect through using and above-mentioned same protective cap.
Industrial applicibility
According to medicinal liquid communication apparatus of the present invention; Through installing antibacterial impregnation parts are remained on the protective cap of portion inside; Can be with the leading section antibacterial fully of bonded block; And because the spilling of the antibacterial of having avoided on antibacterial impregnation parts, causing because of the contact of the leading section of bonded block, thus peritoneal dialysis or transfusion being used for of using etc. electrical connector that stream connects etc. have 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
The 6a thread groove
The 6b abutting part
7 front end minor diameter parts
8 elastic rings
11,16 urceolus
12,17b engaging protrusion
13,17,21 inner parts
The 13a pipe jointing part
The 13b stream
14 airtight valves
15 flanges
The 15a rib
The 16a reducing diameter part
The 17a inner end
The 17c collar flange
18,27,36 antibacterial impregnation parts
19,29 spaces
20 inner cores
20a inner core leading section
The 20b pipe jointing part
21 inner parts
22 container for medical use
23 ports
24 tubes
25 enteral nutritions are used adapter
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 forms the connection stream between above-mentioned connection object through being installed in respectively to be communicated with on the object and to mutually combine; And
Protective cap has an end by the barrel shape of shutoff, and antibacterial impregnation parts are remained on portion the most inside, can be installed at least one of above-mentioned bonded block of the state that is separated from each other;
Be installed under the state on the above-mentioned bonded block at above-mentioned protective cap; The inner peripheral surface of above-mentioned protective cap forms the space of the leading section that surrounds above-mentioned bonded block; Set the mutual size relationship of above-mentioned bonded block and above-mentioned protective cap, so that above-mentioned antibacterial impregnation parts keep the leading section of compartment of terrain and above-mentioned bonded block opposed;
Possesses the seal member on the outer peripheral face at inner peripheral surface or the position corresponding above-mentioned bonded block of the open end that is installed in above-mentioned protective cap with open end above-mentioned protective cap; Under the installment state of above-mentioned protective cap; Above-mentioned seal member is pushed between the inner peripheral surface of outer peripheral face and above-mentioned protective cap of above-mentioned bonded block, forms above-mentioned spatial air tight construction.
2. medicinal liquid communication apparatus as claimed in claim 1 is characterized in that,
One in the above-mentioned bonded block is male connector, on the rearward end of this male connector, has and an above-mentioned banded installation portion that is communicated with in the object;
In the above-mentioned bonded block another is female connector, on the rearward end of this female connector, has and the 2nd above-mentioned banded installation portion of object that is communicated with.
3. medicinal liquid communication apparatus as claimed in claim 2 is characterized in that,
Above-mentioned male connector has inner chamber and forms liquid communication is combined in the outside of above-mentioned inner core greatly and coaxially with the inner core and the internal diameter of stream than the external diameter of above-mentioned inner core urceolus;
The front end that the front end of above-mentioned inner core is positioned at than above-mentioned urceolus leans on private side;
Above-mentioned protective cap and above-mentioned female connector are installed in 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 that inner chamber is covered at leading section;
Above-mentioned female connector has inner chamber and forms liquid communication and be combined in the urceolus in the outside of above-mentioned inner core with the inner core of stream and internal diameter greatly and coaxially than the external diameter of above-mentioned inner core, inserts the above-mentioned male connector of connection in the inboard of above-mentioned urceolus;
When above-mentioned male connector was connected with above-mentioned female connector, the front end of the above-mentioned inner core of above-mentioned female connector connected above-mentioned airtight valve, thereby stream is open-minded.
5. medicinal liquid communication apparatus as claimed in claim 4 is characterized in that,
Forward more distolateral than above-mentioned airtight valve, the flange of the opening that be provided with on the inner face that is formed on above-mentioned male connector, formation is littler 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 extends to the front of above-mentioned male connector.
7. like each described medicinal liquid communication apparatus in the claim 2～6, it is characterized in that,
In the inside of above-mentioned protective cap, be provided with position limit portion, this position limit portion limit above-mentioned male connector the portion inside in above-mentioned protective cap the shift position and guarantee above-mentioned space.
8. medicinal liquid communication apparatus as claimed in claim 7 is characterized in that,
Above-mentioned position limit portion is formed by collar flange, on the leading section outer surface of above-mentioned male connector, forms the abutting part with external diameter bigger than the internal diameter of above-mentioned collar flange;
When above-mentioned male connector is connected with above-mentioned protective cap,, limit the shift position of the portion inside in above-mentioned protective cap of above-mentioned male connector through contacting of above-mentioned collar flange and above-mentioned abutting part.
9. medicinal liquid communication apparatus as claimed in claim 7 is characterized in that,
Above-mentioned male connector and above-mentioned protective cap constitute, and combine through screwing togather;
The above-mentioned deep-seated that screws togather of above-mentioned male connector and above-mentioned protective cap is put the performance function as above-mentioned position limit portion, the shift position of limiting 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, embedding has inner part, above-mentioned antibacterial impregnation parts is remained on the portion the most inside of above-mentioned protective cap through above-mentioned inner part.
11. medicinal liquid communication apparatus as claimed in claim 10 is characterized in that,
Above-mentioned inner part has position limit portion, this position limit portion limit above-mentioned male connector the portion inside in above-mentioned protective cap the shift position and guarantee 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 of ratio open portion side path, in above-mentioned reducing diameter part, dispose above-mentioned antibacterial impregnation parts.
13. medicinal liquid communication apparatus as claimed in claim 1 is characterized in that,
In the above-mentioned connection object one is the port that being used for of in the enteral nutrition method, using injected the container for medical use of nutrient etc., and another in the above-mentioned connection object is to comprise the enteral nutrition external member that is used for connecting the pipe between above-mentioned container for medical use and the patient;
The enteral nutrition that is arranged on the port of above-mentioned container for medical use constitutes in the above-mentioned bonded block with adapter;
Be arranged on the end of above-mentioned nutrition external member and constitute another of above-mentioned bonded block with adapter that above-mentioned enteral nutrition is connected with adapter.
14. medicinal liquid communication apparatus as claimed in claim 1 is characterized in that,
One in the above-mentioned bonded block is the mixed water injection port, above-mentioned mixed water injection port comprise be located at the pedestal that is communicated with on the object, by above-mentioned pedestal from following side support and be formed with at central part patchhole disc shaped valve and have embedded hole that the upper surface of the central part that makes above-mentioned valve exposes and cover the lid of the periphery of above-mentioned valve from upper surface side;
In the above-mentioned bonded block another is to insert body, and this insertion body can be inserted in the above-mentioned mixed water injection port and its inner chamber is formed with liquid flow path;
Above-mentioned protective cap constitutes, and above-mentioned mixed water injection port is installed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-141152 | 2009-06-12 | ||
| JP2009141152 | 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 true CN102802692A (en) | 2012-11-28 |
| CN102802692B CN102802692B (en) | 2015-04-01 |
Family
ID=43308948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080025872.3A Active CN102802692B (en) | 2009-06-12 | 2010-06-10 | Medical device for liquid communication |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JP5278548B2 (en) |
| KR (1) | KR101292899B1 (en) |
| CN (1) | CN102802692B (en) |
| CO (1) | CO6430438A2 (en) |
| HK (1) | HK1178471A1 (en) |
| MX (1) | MX2011013361A (en) |
| WO (1) | WO2010143693A1 (en) |
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| US10376686B2 (en) * | 2014-04-23 | 2019-08-13 | Becton, Dickinson And Company | Antimicrobial caps for medical connectors |
| KR101982004B1 (en) * | 2017-08-28 | 2019-05-24 | 김은자 | Medicine container and infusion solution container coupled with medicine container |
| AU2019228526B2 (en) | 2018-02-28 | 2021-11-25 | Nxstage Medical, Inc. | Fluid preparation and treatment devices, methods, and systems |
| JP7114512B2 (en) * | 2019-03-11 | 2022-08-08 | テルモ株式会社 | Pedestal and protective cap assembly |
| JP7439427B2 (en) * | 2019-09-20 | 2024-02-28 | 株式会社ジェイ・エム・エス | Medical port connection structure |
| CA3198353A1 (en) | 2020-10-09 | 2022-04-14 | Icu Medical, Inc. | Fluid transfer device and method of use for same |
| CN113080915B (en) * | 2021-05-08 | 2022-08-30 | 中国人民解放军陆军特色医学中心 | Desk-top sphygmomanometer and disinfection system thereof |
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| JP2001309973A (en) * | 2000-05-01 | 2001-11-06 | Jms Co Ltd | Connector cap |
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| US20070112333A1 (en) * | 2005-11-17 | 2007-05-17 | Becton, Dickinson And Company | Patient fluid line access valve antimicrobial cap/cleaner |
-
2010
- 2010-06-10 WO PCT/JP2010/059860 patent/WO2010143693A1/en active Application Filing
- 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
-
2011
- 2011-12-16 CO CO11173943A patent/CO6430438A2/en not_active Application Discontinuation
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2013
- 2013-05-09 HK HK13105560.4A patent/HK1178471A1/en unknown
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| JPH0531178A (en) * | 1991-08-02 | 1993-02-09 | Terumo Corp | Medical connector 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 |
| CN1829551A (en) * | 2003-07-31 | 2006-09-06 | 株式会社Jms | Connector system for medical use |
| US20070112333A1 (en) * | 2005-11-17 | 2007-05-17 | Becton, Dickinson And Company | Patient fluid line access valve antimicrobial cap/cleaner |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11191553B2 (en) | 2016-06-13 | 2021-12-07 | Integra Lifesciences Enterprises, Lllp | Connector for surgical handpiece |
| CN106175881A (en) * | 2016-08-30 | 2016-12-07 | 苏州品诺维新医疗科技有限公司 | A kind of fluid coupling and installation method, operation technique system |
| CN109937057A (en) * | 2016-09-15 | 2019-06-25 | 爱尔兰整合生命科学有限公司 | Connector for surgical operation handpiece |
| CN109125835A (en) * | 2017-06-28 | 2019-01-04 | 泰尔茂株式会社 | holder |
| CN109125835B (en) * | 2017-06-28 | 2022-03-22 | 泰尔茂株式会社 | Holding member |
| CN109893695A (en) * | 2017-12-11 | 2019-06-18 | 泰尔茂株式会社 | Cap |
| CN111671990A (en) * | 2019-03-11 | 2020-09-18 | 泰尔茂株式会社 | Base and protective cover assembly |
| CN111671990B (en) * | 2019-03-11 | 2023-07-18 | 泰尔茂株式会社 | Base and protective cover assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5278548B2 (en) | 2013-09-04 |
| KR101292899B1 (en) | 2013-08-02 |
| CO6430438A2 (en) | 2012-04-30 |
| CN102802692B (en) | 2015-04-01 |
| HK1178471A1 (en) | 2013-09-13 |
| JPWO2010143693A1 (en) | 2012-11-29 |
| KR20120032467A (en) | 2012-04-05 |
| WO2010143693A1 (en) | 2010-12-16 |
| MX2011013361A (en) | 2012-01-20 |
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