CN101636189B - Injection gateway - Google Patents
Injection gateway Download PDFInfo
- Publication number
- CN101636189B CN101636189B CN2008800038302A CN200880003830A CN101636189B CN 101636189 B CN101636189 B CN 101636189B CN 2008800038302 A CN2008800038302 A CN 2008800038302A CN 200880003830 A CN200880003830 A CN 200880003830A CN 101636189 B CN101636189 B CN 101636189B
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- Prior art keywords
- gateway
- injection
- closing means
- pin
- sleeve pipe
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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
- A61M39/02—Access sites
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
- A61M5/1626—Needle protectors therefor
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
- A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The current invention relates to an injection gateway (1 ) comprising a base part (2) which during use is secured to the skin (3) of a patient, a cannula (7) which is connected to the base part and which is inserted into the body of the patient during use, a gate (13) through which fluid is injectable into the gateway via a needle based injection device, and a fluid passageway (12) where fluid injected through the gate is communicated to the cannula. The injection gateway further comprises a closing mechanism (5), said closing mechanism having a first position where a needle inserted into the gateway can be inserted into the cannula and a second position where a needle inserted into the gateway is prevented from coming into contact with the cannula. In this way, the gateway allows the use of typical injection needles without the risk of piercing the cannula or penetrating too deeply into the body of the user.
Description
Technical field
The present invention relates to a kind of injection gateway (gateway), it comprises: base portion, said base portion are fixed on patient's the skin during use; Sleeve pipe, said telescopic joint to base portion and insert in the patient's body during use; Gate (gate), fluid is via can being expelled in the gateway device through said gate based on the injection device of pin, and said gate is positioned at the place, fixed position with respect to said base portion; And fluid passage, the fluid of injecting through gate at said fluid passage place is communicated to sleeve pipe.
Background technology
Injection gateway is a kind of device that the user health reaches a certain period (the for example three day time) that is fixed to.So user can be expelled to medicine in the his or her health via this injection gateway.Therefore gateway device replaces the duplicate injection of syringe or injection pen.Reduced injury like this, and kept injection position not have infection simultaneously patient skin.And for the people that fear pin, it is much easier to use injection gateway than directly they to be injected.
The injection gateway of known number of different types.In some injection gateway; In case gateway device is fixed on patient's the skin, fluid just is transferred to this gateway device via the adapter that is attached to this gateway device, for example referring to US4; 755,173, WO2004/101071, WO02/053220 and US2004/0158207.Yet these devices need to use specific adapter and be connected to infusion pump via pipeline usually.These devices are inappropriate for the injection device based on pin and use, for example common syringe.In addition; In many cases; In order to work with the pipeline of infusion pump; It is quite complicated that the mechanism of injection gateway becomes, and has complicated fluid path in this injection gateway inside, and this has increased the risk of leaking in the device and/or because the complex seals that need be integrated in the device has increased the cost that installs.
The gateway device of other type is designed to use with specific pen-type injector, for example referring to the applicant's oneself open source literature WO 2006/097111.In prevailing form, gateway device is arranged such that the barrier film on the gateway device that is needled on the pen-type injector, so that fluid can be expelled in the user health via the sleeve pipe that inserts in the user health through barrier film.Yet this device need use specific pen-type injector, and this is because the pin of injection device should not contact with sleeve pipe.If pin contacts with sleeve pipe, then have following risk: pin may thrust telescopic side or wipe less plastic components off from sleeve pipe, and these plastic components possibly stayed in the health of user.In addition, it is preferred using short pin, reaches minimum so that make user all of a sudden thrust risk too dark in the his or her skin.If user uses common syringe by known gateway device, then user is vulnerable to the influence of above-mentioned risk.
Summary of the invention
First aspect of the present invention provides a kind of gateway device, and said gateway device is arranged and used own administration of drugs or other medicines easily by the patient.
Second aspect of the present invention provides a kind of gateway device, and after said gateway device was arranged on patient's the skin, said gateway device was not noticed by the patient as far as possible when in fact the patient has injectable drug.
The third aspect of the invention provides a kind of gateway device, and said gateway device allows user to use ordinary syringe safely and do not have relevant therewith risk usually.
Fourth aspect of the present invention provides a kind of gateway device, and said gateway device allows user to use ordinary syringe safely and to prevent that simultaneously user from sticking a needle into his or her health too dark.
The 5th aspect of the present invention provides a kind of gateway device, and it prevents that after gateway device is fixed on the skin of user user from destroying sleeve pipe with the pin that is inserted in the gateway device.
The 6th aspect of the present invention provides a kind of simple and low gateway device of cost.
Through being provided, the injection gateway of mentioning in the technical field paragraph satisfies these aspects according to injection gateway of the present invention; This injection gateway also comprises closing means; Said closing means has the primary importance and the second position; Pin can be inserted in the gateway device and can be inserted in the sleeve pipe at said primary importance place; Can be inserted in the gateway device based on the pin of the injection device of pin at said second position place,, but prevent that said pin from contacting with sleeve pipe so that inject a fluid in the patient body via sleeve pipe.Through this closing means is provided, prevent that user from sticking a needle in the sleeve pipe or sticking a needle in the his or her health too dark.Therefore reduced common with the use usually relevant risk of the injection device based on pin according to gateway device of the present invention.
In an embodiment of this injection gateway, gateway device can be arranged such that in the primary importance of closing means, inserts in the gateway device and the pin that inserts in the sleeve pipe passes through gate.Gateway device also can be arranged such that in the second position of closing means, prevents to contact with sleeve pipe through the pin that gate inserts.Like this, the entrance that is used for different pins is a gate, between the user health of environment outside gateway device and gateway device inboard effective seal is provided thus.In exemplary embodiments, gate can comprise the barrier film that can pierce through.
In one embodiment, fluid passage can be arranged between two chambers, set up the fluid connection.Two chambers can be arranged such that telescopic axis through first Room in two chambers, but and second Room in two chambers.The pin that these chambers are inserted in the gateway device in the time of can also being arranged such that in closing means is in its first position is inserted in first Room, and the pin that when closing means is in its second position, is inserted in the gateway device is inserted in second Room.The pin that has been inserted into like this, in the gateway device contacts with the chamber of two uniquenesses.
In another embodiment, closing means can comprise cap member, and said cap member has entry port, and pin can be inserted in the gateway device through said entry port, and said entry port is connected to base portion movablely.
Cap member can also be arranged such that in the primary importance of closing means, the entry port of closing means and telescopic axis alignment, thus the inserter pin can be inserted in the sleeve pipe through entry port.Be inserted into via the inserter pin that is arranged in inside pipe casing at sleeve pipe that this position is useful during the skin of user.
Cap member can also be arranged such that in the second position of closing means, entry port not with telescopic axis alignment.Like this, prevent to contact with sleeve pipe through the pin that entry port inserts in the gateway device.
Cap member can be rotatably connected to base portion around axis.In this case, the entry port in sleeve pipe and the cap member all is arranged to the rotation axis skew from cap member.Like this, through the swivelling cover element, entry port can move to not the position with telescopic axis alignment from the position with telescopic axis alignment.
Cap member can be alternatively or side by side is connected to base portion with mode that can the displacement along the path.
In certain embodiments, closing means can comprise locking mechanism, and closing means can be locked in the second position thus.Guarantee that like this gateway device will only use once.That is to say that gateway device can not remove and in time be applied to again subsequently the back from the health of user a bit.User will use new gateway device.
In one embodiment, locking mechanism can comprise ratchet mechanism.In another embodiment, locking mechanism comprises the outstanding element of fexible bias pressure, and the outstanding element of said fexible bias pressure engages with corresponding recess when closing means gets in the said second position of closing means.In one embodiment, outstanding arrangements of elements on the cap member and recess arrangement on base portion.Also can expect opposite situation.These mechanisms are simple and reliable.
In one embodiment, cap member can be arranged such that: cap member is aimed at base portion in the second position of closing means, and cap member is not aimed at base portion in the primary importance of closing means.Like this, give the clear sight signal of user generator " safety " and device " dangerous ".This prevents that user from using the device that is in " dangerous " pattern.
Closing means also can comprise blockage element, and said blockage element moves away telescopic axis at the primary importance meta of closing means, and in the second position of closing means, is displaced on the telescopic axis to block telescopic inlet.
Blockage element can be towards the position of overlapping casing tube opening by bias voltage flexibly.In this embodiment, can prevent the opening of blockage element overlapping casing tube in the primary importance of closing means, this is because the inserter pin has hindered blockage element.Yet blockage element can for example carry out bias voltage via gravity with the alternate manner bias voltage except elasticity.
In one embodiment, blockage element can be a ball, and this ball discharges when removing the inserter pin, and ball rolls in the telescopic opening, to block telescopic inlet.
In another embodiment, when gateway device removed from packing and is fixed to user, because actuation element responds to warm and/or humidity, said blockage element can carry out displacement.Be provided at the closing means of " automatically " in a way like this, and guarantee gateway device to get into its safe mode and not interfered by user.
Can expect that in addition aforesaid gateway device can be the part of external member, said external member comprises injection gateway and inserter pin, and said inserter pin has been arranged in the sleeve pipe of gateway device.This external member can also comprise the inserter device, more easily sleeve pipe is inserted in the his or her health to allow user.
This external member also comprises lid, and the time durations of this lid when gateway device is fixed to user but does not have initiatively to be used as injection gateway covers gateway device.
Can use above-mentioned this gateway device according to a kind of method, said method comprising the steps of: the sleeve pipe through injection gateway is arranged the inserter pin; Below the skin of inserter pin and sleeve pipe insertion user; Injection gateway is fixed to user; Remove the inserter pin; Make the closing means displacement, thereby prevent with pin near sleeve pipe; And under the situation that does not make the further displacement of closing means, fluid is injected into user from the injection device based on pin via injection gateway.
In a kind of such method, the step of closing means displacement can automatically be carried out after removing the inserter pin from injection gateway.
In another embodiment of this method, make the step of closing means displacement can comprise the step of user with respect to the base portion swivelling cover element of gateway device.
What should stress is that the term that is used in this description " comprises/comprise " fixed characteristic, integral body, step or the parts that are used to enumerate existence, but is not to get rid of to exist or additional one or more further features, integral body, step, parts or its combination.For example, this description has explained that closing means has two positions.Yet, should be apparent that for those skilled in the art closing means can have more than two positions, even in claims and description, only mention two positions clearly.
Description of drawings
Below will be with reference to illustrating in greater detail the present invention by embodiment shown in the drawings.Should be emphatically, illustrated embodiment be only presented for purposes of illustration, and should not be used to limit scope of the present invention, wherein:
Fig. 1 illustrates the cutaway view of first embodiment of the injection gateway that is installed in the injection device, and said injection device comprises syringe needle.
Fig. 2 illustrates the cutaway view of first embodiment of the injection gateway that is fixed to user skin, during wherein closing means is in its first position.
Fig. 3 illustrates the cutaway view of first embodiment of the injection gateway that is fixed to user skin, and wherein closing means is in its second position.
Fig. 4 illustrates the perspective view of first embodiment of injection gateway, during wherein closing means is in its first position.
Fig. 5 illustrates the perspective view of first embodiment of injection gateway, and wherein closing means is in its second position.
Fig. 6 illustrates the sectional perspective view of first embodiment of injection gateway, during wherein closing means is in its first position.Note, from Fig. 6, removed barrier film so that observe interior details more easily.
Fig. 7 illustrates the sectional perspective view of first embodiment of injection gateway, and wherein closing means is in its second position.Note, from Fig. 7, removed barrier film so that observe interior details more easily.
Fig. 8 illustrates the schematic cross sectional views of second embodiment of injection gateway, during wherein closing means is in its first position.
Fig. 9 illustrates the schematic cross sectional views of second embodiment of injection gateway, and wherein closing means is in its second position.
Figure 10 illustrates the schematic cross sectional views of the 3rd embodiment of injection gateway, during wherein closing means is in its first position.
Figure 11 illustrates the schematic cross sectional views of the 3rd embodiment of injection gateway, and wherein closing means is in its second position.
Figure 12 illustrates the schematic sectional perspective view of the 4th embodiment of injection gateway, during wherein closing means is in its first position.
Figure 13 illustrates the schematic sectional perspective view of the 4th embodiment of injection gateway, and wherein closing means is in its second position.
Figure 14 a-14d illustrates to make with in common available injection gateway, using the common relevant risk of the injection device based on pin and reduces to another minimum method.
The specific embodiment
Fig. 1 to 7 illustrates some different views according to first embodiment 1 of injection gateway of the present invention.Gateway device 1 comprises base portion 2, and said base portion 2 is fixed on the skin 3 of user via the adhesive linkage 4 that is attached to base portion 2 bottoms.
Base portion also comprises two chambers 9,10.First Room 9 is with sleeve pipe 7 direct fluid communication and be arranged such that telescopic axis is through first Room 9.Allow inserter pin 11 through first Room like this, said inserter pin 11 needs to insert through sleeve pipe during the health of sleeve pipe insertion user.Second Room 10 is arranged to from telescopic journal offset.Yet second Room 10 is via fluid passage 12 and sleeve pipe fluid communication.Like this, therefore the fluid arrival sleeve pipe that is injected in second Room also also arrives in the health of user.Should be noted that in current embodiment and between first Room and second Room, set up fluid passage, yet can expect that second Room also can be directly connected to sleeve pipe.
Can see that from accompanying drawing two chambers 9,10 also are arranged to the rotation axis skew from cap member.In current embodiment, two chambers are arranged to separate 180 degree with respect to the rotation axis of cap member.In addition, two chambers are arranged to from the amount of axis A skew identical from the amount that axis A squints with entry port on the cap member.Like this, when cap member when axis A rotates, entry port 6 can be provided to the path (Fig. 1,2,4 and 6) of first Room 9 or to the path (Fig. 3,5 and 7) of second Room 10 to pin.Like this, cap member is as a kind of closing means with at least two positions.In a position (primary importance), the entry port and the first Room alinement, and in another position (second position) entry port and the second Room alinement.
When cap member is in the first position when middle, pin can pass through entry port, through barrier film, insert through first Room and through sleeve pipe., uses in device this position during inserting.Can expect, under the situation that cap member is in the primary importance and also the inserter pin has inserted through sleeve pipe, gateway device sent to user.Like this, user does not bear because the own telescopic risk of destruction that is caused in the gateway device that the inserter pin is inserted.
When gateway device has been fixed to user and sleeve pipe when being inserted in the user health, then the inserter pin can remove and cap member can rotate to the second position.In the second position, pin can through the lid in entry port, be inserted in second Room 10 through barrier film.Yet, prevent that pin from arriving sleeve pipe.User therefore can use common based on pin injection device and not have common relevant therewith risk.
Fig. 1 illustrates the gateway device 1 that is attached to " inserter device " 14.The inserter device is well-known for those skilled in the art, and can adopt many forms.Inserter device 14 uses when gateway device is loaded in the inserter device usually, and this device is prepared in advance and is arranged on the on position on the user health.This device discharges then, and gateway device is inserted in the user health.Can adopt like this for the more comfortable simple insertion process of user.In case gateway device has been fixed on the health of user, then the inserter device can remove with the inserter pin.
Should be mentioned that also cap member is provided with the fexible bias pressure hook portion, this hook portion is snapped to when cap member rotates to the second position in the groove of base portion.Like this, hook portion locking cover element is further rotated to prevent cap member.Guarantee that like this device only can use once with the inserter pin.After cap member had rotated in the second position, cap member was locked then, and the pin that is inserted in the device will not contact with sleeve pipe.
Should be mentioned that also first embodiment comprises the outer cover element, this cap member is arranged on the outside of base portion.Yet in another embodiment (not shown), cap member can be arranged in the inside of base portion.In this case, cap member can carry out displacement via actuation element, and said actuation element can be through the opening in the base portion near user.For example, cap member can be attached to the projection in the slit that is arranged in base portion.User therefore can be through the projection in the displacement slit displacement cap member.
Figure 4 and 5 illustrate the perspective view of the gateway device of seeing from the top side of device.Can see that the shape of cap member 5 is not round, and seem a bit picture triangle.Base portion is formed with identical profile.Like this, when cap member rotates, the outline of the profile and the base portion of a position cap member is arranged.In other position of cap member, user can be seen not aligning of cap member and base portion.To user a visual signal is provided when being in " home " like this at device.Those skilled in the art is apparent that many other shapes also provide this characteristic.
Yet, should be mentioned that also with respect to cap member wherein to be arranged to that cap member also can be arranged to can the displacement along the path around rotatable first embodiment 1 of axis.For example, user can make and cover the short distance of between the primary importance and the second position, sliding.In addition, the combination of rotation and displacement also is fine.
Fig. 8 and 9 illustrates second embodiment 20 according to gateway device of the present invention.In this embodiment, gateway device comprises base portion 21, barrier film 22 and is attached to the sleeve pipe 23 of base portion.Gateway device comprises blockage element 24 in addition, and said blockage element 24 passes through spring 26 towards ferrule openings 25 bias voltages.Be arranged under the situation in the sleeve pipe 23 at inserter pin 27 gateway device is sent to user.Blockage element 24 presses inserter pin 27 through spring 26.When the inserter pin is removed after gateway device is fixed on the skin of user, blockage element 24 springing and block telescopic inlet forward.Like this, the pin that after removing the inserter pin, inserts through barrier film can not be near sleeve pipe.Yet, can flow in the sleeve pipe by the winding plug member via the fluid in the entry needle access door duct device.Fig. 8 illustrates the gateway device that sends to user, and Fig. 9 illustrates the gateway device that removes after the inserter pin.
For those skilled in the art should be that blockage element and spring can form with different ways significantly.Spring element for example can be a plastic bar, and this plastic bar deviates from the ferrule openings bending through the inserter pin.Technical staff in the mechanical component field should be able to develop many different blockage elements, and these blockage elements can both provide the benefit identical with the embodiment shown in the accompanying drawing.
Figure 10 and 11 illustrates the 3rd embodiment 30 according to gateway device of the present invention.This embodiment 30 also comprises base portion 31, is attached to the sleeve pipe 32 of base portion, barrier film 33 and blockage element 34.Blockage element is fastened to base portion via actuation element 35.Actuation element is formed by dilatable material when being exposed to moist and warm environment.When gateway device was packaged in its aseptic packaging, aseptic packaging can protect this gateway device also can keep nice and cool with the destruction of blocks moisture.As long as packing is opened and gateway device is fixed to user, material just is exposed to moist and warm environment and begins and expands, and makes the blockage element also opening of overlapping casing tube that travels forward thus.
Figure 10 illustrates the inserter pin 36 that is inserted in the device.Gateway device when Figure 11 illustrates the skin that is fixed to user.
Figure 12 and 13 illustrates a fourth embodiment in accordance with the invention 40.In this embodiment, gateway device also comprises base portion 41, sleeve pipe 42, barrier film (not shown) and blockage element 43.In this case, blockage element is a bead 43, and this bead 43 is inserted in 44 maintenances in position of device pin.When the inserter pin removed, ball was rolled in the telescopic opening, blocks the path to ferrule openings thus.Should be noted that and when ball is in its second position, allow fluid to pass through ball.
Should be noted that in the above-described embodiments single barrier film is as gate.In other words, inserter pin and entry needle the two all pass through same barrier film and insert.Yet gate can comprise a plurality of separate areas.For example, can expect two isolating barrier films, a barrier film is used for inserter pin mouth, and another is used for the entry needle mouth.
Figure 14 a to 14d illustrates and can be used to make risk to reduce to minimum system implementation example, and said risk is relevant based on the injection device of pin with use.These accompanying drawings illustrate injection gateway 50, and it comprises base portion 51, sleeve pipe 52 and barrier film 53.Figure 14 a illustrates the inserter pin 54 that inserts in the gateway device.Gateway device 50 shown in Figure 14 a is ready to be attached to user.In case gateway device is fixed to user, just remove the inserter pin.
Figure 14 b illustrates typically the pin 55 based on the injection device of pin.Before the use, user is attached to wedge shape blockage element 56 at the tip of pin 55.User inserts pin 55 and wedge shape blockage element 56 then together through barrier film, shown in Figure 14 c.Because wedge shape blockage element 56, so prevent that pin 55 from destroying sleeve pipe and it is too dark to prevent that pin 55 from thrusting the user health.When user when barrier film removes pin 55, wedge shape blockage element 56 is retained in the gateway device.This is shown in Figure 14 d.During user use next time gateway device, blocking device 56 is still prepared clog needle in device.Should be noted that fluid can flow by the winding plug member, perhaps shown in figure, can be furnished with path 57 in the blockage element 56.
In the above-described embodiments, sleeve pipe is a flexible plastic sleeve.Yet, in some cases, can expect that sleeve pipe is the fine needle that is made of metal.This reduces entry needle and destroys telescopic risk, but for the user then maybe be somewhat uncomfortable.Yet metal canula can be inserted in the health of user and not need the inserter pin.
Should be noted that accompanying drawing and above explanation illustrate exemplary embodiment with simple shows in schematic form.Because those skilled in the art should be familiar with its internal structure details and these details can unnecessarily make this explanation become complicated, so do not illustrate in greater detail these internal structure details.
Also should be mentioned that present description explained a plurality of independently the invention, these are independently invented and possibly form a plurality of parts of dividing an application.For example, be arranged in metal lining between sleeve pipe and the base portion and can be used in many other gateway devices, destroy sleeve pipe so that prevent entry needle.Another example is the sleeve pipe that is made of metal.This embodiment can be used in other type gateway device except the gateway device described in the present invention.
In addition, the embodiment shown in this description should unnecessarily not limit scope of the present invention.There is other embodiment that falls into the injection gateway in this claim scope.For example, above-mentioned all embodiment illustrate the wherein membranous gateway device of inserter needle-penetration.Yet, can expect that gateway device has the opening that is used for the inserter pin, said opening is closed and sealed by enclosed construction in the second position of closing means.For example, cap member can be equipped with sealing member and opening.When gateway device was in its " insertion pattern ", the aperture arrangement in the lid was above ferrule openings.When gateway device is in its " use pattern "; Cap member carries out displacement, so that make aperture displacement to the barrier film top, said barrier film is used for injecting from the common injection device based on pin; And the sealing member that covers is displaced to the ferrule openings top, prevents near sleeve pipe thus.Sealing member also prevents the inside of the material arrival gateway device that noxious bacteria or other are not expected.Those skilled in the art should use its knowledge and present description to limit the scope of this claim.
Claims (24)
1. injection gateway comprises:
Base portion, it is fixed to patient's skin during use,
Sleeve pipe, it is connected to said base portion and is inserted into during use in the patient's body,
Comprise the membranous gate that can pierce through, fluid can be expelled in the said gateway device through said gate via the injection device based on pin, and said gate is positioned at the place, fixed position with respect to said base portion, and
Fluid passage, the fluid at said fluid passage place through said gate injection is communicated to said sleeve pipe,
It is characterized in that; Said injection gateway also comprises closing means; Said closing means has the primary importance and the second position, and pin can be inserted in the said gateway device and can be inserted in the said sleeve pipe at said primary importance place, and the pin at said second position place based on the injection device of pin can be inserted in the said gateway device; So that inject a fluid into the patient via said sleeve pipe; But prevent that said pin from contacting with said sleeve pipe, and when said closing means is in its primary importance and when said closing means is in its second position, said gate is positioned at the same position place with respect to said base portion.
2. injection gateway according to claim 1 is characterized in that, said gateway device is arranged such that in the said primary importance of said closing means, inserts in the said gateway device and inserts pin in the said sleeve pipe through said gate.
3. injection gateway according to claim 1 is characterized in that, said gateway device is arranged such that in the said second position of said closing means, prevents to contact with said sleeve pipe through the pin that said gate inserts.
4. according to each described injection gateway in the claim 1 to 3, it is characterized in that said fluid passage is set up connection between two chambers.
5. injection gateway according to claim 4 is characterized in that, said two chambers are arranged such that said telescopic axis through first Room in said two chambers, but and second Room in said two chambers.
6. injection gateway according to claim 4; It is characterized in that; The pin that inserts in the time of in said closing means is in its first position in the said gateway device is inserted in said first Room, and the pin that when said closing means is in its second position, inserts in the said gateway device is inserted in said second Room.
7. according to each described injection gateway in the claim 1 to 3; It is characterized in that; Said closing means comprises cap member; Said cap member has entry port, and pin can insert in the said gateway device through said entry port, and said cap member is connected to said base portion movablely.
8. injection gateway according to claim 7; It is characterized in that; Said cap member is arranged such that in the said primary importance of said closing means, said entry port is aimed at said sleeve pipe, thereby said pin can be inserted in the said sleeve pipe through said entry port.
9. injection gateway according to claim 7; It is characterized in that; Said cap member is arranged such that in the said second position of said closing means; Said entry port is not aimed at said sleeve pipe, thereby prevents to contact with said sleeve pipe through the pin that said entry port inserts in the said gateway device.
10. injection gateway according to claim 7 is characterized in that said cap member is rotatably connected to said base portion around axis.
11. injection gateway according to claim 10 is characterized in that, said entry port in the said cap member and said sleeve pipe are arranged to the rotation axis skew from said cap member.
12. injection gateway according to claim 7 is characterized in that, said cap member is connected to said base portion with mode that can the displacement along the path.
13. according to each described injection gateway in the claim 1 to 3, it is characterized in that said closing means comprises locking mechanism, said thus closing means can be locked in the said second position.
14. injection gateway according to claim 13 is characterized in that, said locking mechanism comprises ratchet mechanism.
15. injection gateway according to claim 13; It is characterized in that; Said locking mechanism comprises the outstanding element of fexible bias pressure, and the outstanding element of said fexible bias pressure engages with corresponding recess when said closing means gets in the said second position of said closing means.
16. injection gateway according to claim 7; It is characterized in that; Said cap member is arranged such that at cap member described in the said second position of said closing means and aims at said base portion, and do not aim at said base portion at cap member described in the said primary importance of said closing means.
17. according to each described injection gateway in the claim 1 to 3; It is characterized in that; Said closing means comprises blockage element; Leave said telescopic axis in blockage element displacement described in the said primary importance of said closing means, and be displaced on the said telescopic axis to block said telescopic inlet at blockage element described in the said second position of said closing means.
18. injection gateway according to claim 17 is characterized in that, said blockage element covers said telescopic opening towards said blockage element position is by bias voltage flexibly.
19. injection gateway according to claim 17 is characterized in that, through hindering said blockage element by the inserter pin, prevents that said blockage element from covering said telescopic opening in the said primary importance of said closing means.
20. injection gateway according to claim 17 is characterized in that, said blockage element is a ball, and said ball discharges when removing the inserter pin, and said ball rolls in the said telescopic opening to block said telescopic inlet.
21. injection gateway according to claim 17; It is characterized in that; Said gateway device also comprises actuation element, and said blockage element is fastened to said base portion via said actuation element, when said gateway device removes from its packing and is fixed to user; Because said actuation element responds to temperature and/or humidity, said blockage element carries out displacement.
22. one kind comprises according to each described injection gateway in the claim 1 to 21 and the external member that is arranged in the said pin in the sleeve pipe of said gateway device.
23. external member according to claim 22, wherein said external member also comprises the inserter device.
24. external member according to claim 22, wherein said external member also comprises lid, and the time durations of said lid when said gateway device is fixed to user but does not have initiatively to be used as injection gateway covers said gateway device.
Applications Claiming Priority (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89906207P | 2007-02-02 | 2007-02-02 | |
| US89914307P | 2007-02-02 | 2007-02-02 | |
| US89907507P | 2007-02-02 | 2007-02-02 | |
| DKPA200700185 | 2007-02-02 | ||
| US60/899,075 | 2007-02-02 | ||
| DKPA200700179 | 2007-02-02 | ||
| DKPA200700191 | 2007-02-02 | ||
| DKPA200700179 | 2007-02-02 | ||
| DKPA200700191 | 2007-02-02 | ||
| US60/899,143 | 2007-02-02 | ||
| DKPA200700185 | 2007-02-02 | ||
| US60/899,062 | 2007-02-02 | ||
| PCT/EP2008/051278 WO2008092959A1 (en) | 2007-02-02 | 2008-02-01 | Injection gateway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101636189A CN101636189A (en) | 2010-01-27 |
| CN101636189B true CN101636189B (en) | 2012-04-04 |
Family
ID=38769873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800038302A Expired - Fee Related CN101636189B (en) | 2007-02-02 | 2008-02-01 | Injection gateway |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101636189B (en) |
| ES (1) | ES2368288T3 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638829A (en) * | 2002-03-08 | 2005-07-13 | 糖尿病应用研究公司 | Low profile, pivotal connection infusion assembly |
-
2008
- 2008-02-01 CN CN2008800038302A patent/CN101636189B/en not_active Expired - Fee Related
- 2008-02-01 ES ES08708582T patent/ES2368288T3/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638829A (en) * | 2002-03-08 | 2005-07-13 | 糖尿病应用研究公司 | Low profile, pivotal connection infusion assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2368288T3 (en) | 2011-11-16 |
| CN101636189A (en) | 2010-01-27 |
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