CN108853638A - Vein treatment device - Google Patents
Vein treatment device Download PDFInfo
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- CN108853638A CN108853638A CN201810378087.4A CN201810378087A CN108853638A CN 108853638 A CN108853638 A CN 108853638A CN 201810378087 A CN201810378087 A CN 201810378087A CN 108853638 A CN108853638 A CN 108853638A
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- Prior art keywords
- interface unit
- container body
- liquid
- treatment device
- piercing element
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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
-
- 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
-
- 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
-
- 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
- A61M2005/1652—Filter with duct, e.g. filtering element incorporated in a flow line, tube, duct
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of vein treatment device, including the liquid memory comprising therapeutic fluid, which is characterized in that the liquid memory includes：For accommodating the container body of the therapeutic fluid, the container body has liquid outlet；Inside is equipped with the interface unit of filter assemblies, and the input end of the interface unit is connected to the liquid outlet of the container body, and the sealing for covering the liquid outlet of the filter assemblies is contained in the outlet end of the interface unit；The junction attachment of the liquid outlet of the input end of the interface unit and the container body is equipped with film, and the film is arranged to that the filter element of the filter assemblies is prevented to contact before the vein treatment device use with the therapeutic fluid.
Description
The related text of divisional application
The application be the applying date be September in 2014 30, application No. is 201410523271.5, entitled " veins
The divisional application of therapeutic device ".
Technical field
The present invention relates to vein treatment devices.Especially, the embodiment of the present invention is related to including at least one filter
Vein treatment device.The invention belongs to drug packaging material fields.
Background technique
In medical domain, especially therapeutic fluid vein is being transported in the internal field of subject (for example, patient),
It is necessary to ensure that being transported to the intracorporal liquid of subject does not have particle contaminants.
Traditionally, vein treatment device may include equipped with therapeutic fluid, for example, it may be possible to containing that may also not contain medicine
The liquid memory of the physiological saline of active substances.Peripheral IV conduit fluidly (fluidly) may be connected to vein and control
Treat device.Peripheral IV conduit may lead to the injection site of subject, it may for example comprise into the venous indwelling of subject's blood vessel
The needle injection site of needle.Therapeutic fluid may be flowed out from liquid memory, by peripheral IV conduit, in needle injection site
Into the blood vessel of subject.
It include the liquid memory of therapeutic fluid, during preservation, external pathogenicity and/or microgranular pollution
Object pollutes therapeutic fluid possibly into container, such as the liquid containing pharmaceutically active substance is contaminated.It is stored up in liquid
During the making up a prescription of storage, such as the physiological saline without containing pharmaceutically active substance, drug is being injected into liquid memory
When active material, external pathogenicity and/or particle contaminants are possibly into so that pollution prepares during making up a prescription
Medical fluid.
Carry secretly into therapeutic fluid stream any pathogenicity and/or particle contaminants may needle injection site enter by
In examination person's body, it is possible to bring injury physiologically to subject.
Summary of the invention
In view of the above-mentioned defects in the prior art, the present invention provides a kind of, and the vein treatment including at least one filter fills
It sets, before the vein treatment device use, the filter is isolated with therapeutic fluid.
The present invention provides a kind of vein treatment devices, including the liquid memory comprising therapeutic fluid, the liquid
Reservoir includes：For accommodating the container body of the therapeutic fluid, the container body has liquid outlet；Inside is equipped with
The interface unit of filter assemblies, the input end of the interface unit is connected to the liquid outlet of the container body, described
Contain the sealing for covering the liquid outlet of the filter assemblies in the outlet end of interface unit；The input end of the interface unit and institute
The junction attachment for stating the liquid outlet of container body is equipped with film, and the film is arranged to prevent the mistake of the filter assemblies
Filtering element contacts before the vein treatment device use with the therapeutic fluid.
It further, include piercing element in the input end of the interface unit, described in the interface unit
Piercing element in the inner cavity of interface unit by certain distance close to the liquid outlet of the container body when, it is described to wear
It pierces element and pierces through the film.
A kind of improvement as above-mentioned technical proposal, being equipped at the shell of the input end of the interface unit can be removed
Ring, the removable division ring prevent the liquid outlet of the piercing element by certain distance close to the container body.
As an alternative to the above-described technical solution, the input end of the interface unit and the container body
Elastic tube is equipped between liquid outlet, the elastic tube prevents the piercing element by certain distance close to the container body
The liquid outlet.
Another improvement as above-mentioned technical proposal, the filter assemblies or the piercing element are embedded in the interface
The inner cavity of component, the filter assemblies or the piercing element at least partly form close-fitting with the inner cavity of the interface unit
It closes, to prevent the liquid outlet of the piercing element by certain distance close to the container body.Further, institute
The inner cavity cavity wall for stating interface unit is equipped with the extrudable filter assemblies positioned at the interface unit inner cavity or puncture member
The protrusion of part, the protrusion prevent the liquid outlet of the piercing element by certain distance close to the container body.
It is as above-mentioned technical proposal another improvement, the filter assemblies it is at least partially embedded in the interface unit
Input end inner cavity, and form tight fit with the inner cavity of the input end, be provided at the shell of the interface unit axial
Sliding slot, the outer wall of the filter assemblies are equipped with the pushing block being located in sliding slot, and the pushing block can be worn described in drive under external force
Element is pierced close to the liquid outlet of the container body, and pierces through the film.
As the improvement of above-mentioned technical proposal of the present invention, the container body be also connected at least one for receive will be by
It is added to the satellite interface of the liquid of liquid memory.The pipeline of the satellite interface is set in the interface unit, Huo Zheshe
In outside the interface unit.
Detailed description of the invention
Fig. 1 shows the schematic front view of one embodiment of vein treatment device of the present invention.
Fig. 2 shows the perspective view of interface unit in embodiment shown in FIG. 1.
Fig. 3 shows the perspective view of another embodiment of vein treatment device of the present invention.
Fig. 4 shows the schematic cross-sectional view of vein treatment device shown in Fig. 3.
Fig. 5 shows the schematic front view of another embodiment of vein treatment device of the present invention.
Fig. 6 shows the schematic cross-sectional view of embodiment illustrated in fig. 5.
Fig. 7 shows the perspective view of another embodiment of vein treatment device of the present invention.
Fig. 8 shows the schematic cross-sectional view of embodiment illustrated in fig. 7.
Fig. 9 shows the schematic cross-sectional view of another embodiment of vein treatment device of the present invention.
Figure 10 shows the perspective view of the interface unit of embodiment illustrated in fig. 9.
Specific embodiment
Usually, vein treatment device as described herein be used to supply therapeutic fluid stream (for example, having to subject
Or the not no physiological saline of pharmaceutically active substance).Vein treatment device as described herein includes filter assemblies, is introduced into liquid
Before in subject's body, liquid flows through the filter assemblies.The filter may partly or entirely remove external in liquid flow
Object (for example, particle).
In some embodiments, vein treatment device includes the liquid memory that therapeutic fluid is at least partly housed.Liquid
Body reservoir includes the container body for accommodating therapeutic fluid, and container body has liquid outlet.Liquid memory also wraps
The internal interface unit for being equipped with filter assemblies is included, the input end of interface unit is connected to the liquid outlet of container body, interface portion
The filter assemblies in part are initially sealings, its filter element is avoided to contact with therapeutic fluid.In other words, it is controlled in vein
Before treating device use, therapeutic fluid is avoided by be contacted with filter assemblies.
In some embodiments, the interface unit of liquid memory includes the sealing for being located at its outlet end, such as film sealing.
The sealing prevents liquid from initially flowing through liquid filter and/or prevent external contaminants (for example, pathogen in dust, air)
Filter is advanced into use.When using the vein treatment device, the sealing be destroyed (for example, removal) (for example, pass through by
A part of peripheral IV conduit is inserted into the outlet of liquid filter).
Vein treatment device may include in one or more conveying liquid to subject's body and receive and will be added into
The interface unit of the liquid of liquid memory container body.Filter assemblies in the one or more interface unit and may connect
To container body.The junction attachment of the liquid outlet of the input end and container body of interface unit is equipped with film, which is set
To prevent the filter element of filter assemblies from contacting before vein treatment device use with therapeutic fluid.
It in some embodiments, include piercing element in the input end of interface unit, when the piercing element quilt of interface unit
Certain distance close to container body liquid outlet when, piercing element pierces through the film.In other words, in vein treatment device
Unused state, piercing element and film are spaced apart, and in not used state, piercing element is prevented from and film
It is close.In vein treatment device in use, then piercing element can be under external force close to film.
In one embodiment, removable division ring is equipped at the shell of the input end of interface unit, which wears
Element is pierced by certain distance close to the liquid outlet of container body.In vein treatment device by use, removing ring, then interface
Component can be whole or local close to the liquid outlet of container body, and generates the moving distance that piercing element pierces through film.
In another embodiment, elastic tube (example is equipped between the input end of interface unit and the liquid outlet of container body
Such as can be bellows), the elastic tube prevents the piercing element by certain distance close to described in the container body
Liquid outlet.When vein treatment device is not used, elastic tube under natural conditions, piercing element and liquid in interface unit
Spaced apart between the liquid outlet of body container, piercing element and film are separately；In vein treatment device by use, logical
External force is crossed, the input end of interface unit can be made to overcome the elastic force of elastic tube, close to the liquid outlet of container body, and
So that piercing element pierces through film.
In a further embodiment, the filter assemblies or the piercing element are embedded in the inner cavity of the interface unit
(such as the filter assemblies or the piercing element outer periphery are partially or fully set as cylindrical shape, and its outer periphery
It can be set as flexible material, be centainly frictionally embedded into the inner cavity of interface unit so as to have), it is embedded in the interface portion
The filter assemblies of the inner cavity of part or the piercing element at least partly form tight fit with the inner cavity of the interface unit,
To prevent the liquid outlet of the piercing element by certain distance close to the container body.In other embodiments
In, the inner cavity cavity wall of the interface unit is additionally provided with the extrudable filter assemblies or described positioned at the interface unit inner cavity
The protrusion of piercing element, the protrusion of the setting can provide bigger filter assemblies or piercing element and interface unit inner cavity chamber
The frictional force of wall, so that the protrusion prevents the liquid of the piercing element by certain distance close to the container body
Outlet.When vein treatment device is not used, the circumferential surface of filter assemblies or piercing element in interface unit is squeezed by protrusion,
So that piercing element is by prevention to spaced apart with film；In vein treatment device in use, filter assemblies are in outer masterpiece
It, can be by peripheral IV under, such as in the sealing for the outlet end that a part of peripheral IV conduit is inserted into interface unit
Conduit continuation pushes certain distance inward, so that filter assemblies or piercing element overcome protrusion to squeeze the friction generated,
So that piercing element is by certain distance close to the liquid outlet of container body, and pierce through the film.
In yet another embodiment, the filter assemblies is at least partially embedded in the input end of the interface unit
Chamber, and tight fit is formed with the inner cavity of the input end, axial sliding slot, the filtering are provided at the shell of the interface unit
The outer wall of component is equipped with the pushing block being located in sliding slot, and the pushing block can drive the piercing element close to institute under external force
The liquid outlet of container body is stated, and pierces through the film.Filter assemblies and piercing element are one in fact in this case
Body, therefore the pushing block of filter assemblies shell is pushed, piercing element is mobile in the inner cavity of interface unit input end therewith.
In some embodiments of the invention, vein treatment device may further include that one or more will be added for receiving
Enter the satellite interface to the liquid of liquid memory.Such as the liquid sheet in liquid memory of the invention is as without containing drug
Pharmaceutically active substance can be injected liquid memory by satellite interface and be formed by the physiological saline of active material when in use
Medical fluid.It is formed after medical fluid, is needed in use, operator inserts the sealing of peripheral IV conduit destruction interface unit outlet end
Enter into the outlet of filter assemblies, overcome the limiting device of interface unit input end later, by the puncture of interface unit input end
Element pierces through film, so that medical fluid flows through filter element, and peripheral IV conduit is entered from the outlet end of interface unit, through outside
Ductus venosus reaches injection site (for example, needle injection site with subject).
Fig. 1 shows the cross-sectional view of vein treatment device one embodiment, which includes comprising therapeutic
The liquid memory 100 of liquid, the liquid memory 100 include the container body 102 for accommodating therapeutic fluid, container master
Body 102 is containing flexible, substantially non-porous polymeric material.As a non-limiting embodiment, container body 102 is by two panels
(sheet) it is formed along the elastic polymeric material of outer periphery sealing (for example, bonding) together.In other embodiments, container
Main body 102 is substantially made of rigid material, for example, highdensity polyethylene or other polymeric materials.Using vein treatment
Before device, accommodating a part of of the container body 102 of therapeutic fluid may be substantially sealed by gas, to prevent air or outer
The intrusion of portion's pollutant, and prevent the liquid in container body 102 from revealing.
The shape and size of container body 102 are unrestricted, such as in the embodiment shown in fig. 1, and container body 102 is column
Body container, in other embodiments, such as in embodiment illustrated in fig. 3, container body 102 can also be the irregular appearance of prolate shape
Device.
Container body 102 has liquid outlet 103, and liquid outlet 103 can be the nozzle extended from container.Make
With in the process, the therapeutic fluid in container body 102 is flowed out from liquid outlet 103.
Liquid memory 100 further includes the internal interface unit 104 for being equipped with filter assemblies 108, the import of interface unit 104
End 113 is connected to the liquid outlet 103 of container body 102, and the shell of input end 113 and the shell of liquid outlet 103 are with basic
The mode of liquid sealing connects, and such as welds.Filter assemblies 108 include the filter element 109 in interface unit shell, cross filtering element
Part 109 may be made of filter medium, for example, the fiber or other porous materials of braided fabric or tangle up.When liquid is calm
Device main body 102 flows out, and when by filter element, filter medium hinders (for example, interception) pathogenicity and/or particle contaminants logical
It crosses, filtered medical fluid reaches injection site (not showing equally) by peripheral IV conduit (not shown).
As shown, the junction attachment of the liquid outlet 103 of the input end 113 of interface unit 104 and container body 102
It is sealed equipped with sealing, such as film, which is arranged to prevent the filter element of the filter assemblies 108 described
It is contacted before vein treatment device use with the therapeutic fluid.In other words, before vein treatment device use, filtering
Component 108 is isolated with the liquid in container body 102.
The outlet end 113 (namely outlet end of filter assemblies 108) of interface unit 104, the sealing including being located at end
120, before vein treatment device use, the seal isolation filter assemblies 108 and external contaminants.For example, such as Fig. 1, Fig. 3 institute
Show, sealing 120 is located on the outlet end 115 of interface unit 104.Sealing 120 may be thin elastic material (for example, polymeric membrane
Or metal foil), which can pierce through rupture by piercing element or tool (for example, puncture needle).In other embodiments,
Sealing 120 is covering (for example, lid, rubber plug), when in use, can be removed from the outlet end of interface unit 104 115.
The input end 113 of interface unit 104 further includes piercing element 112, and piercing element 112 and filter assemblies are usually one
Body, piercing element 112 is located at the inner cavity of input end 113, and is formed and be socketed with interface unit, therefore is releasing external limitation
In the case of, piercing element 112 is set as can be mobile in the inner cavity of input end 113, when the piercing element 112 of interface unit 104
In interface unit inner cavity by certain distance close to the liquid outlet 103 of container body 102 when, piercing element 112 pierces through film
110.In the embodiment shown in fig. 1, removable division ring 118 is equipped at the shell of the input end 113 of interface unit 104, ring 118 prevents
Piercing element 112 is by certain distance close to the liquid outlet 103 of container body 102.Removable division ring 118 for example can be tearing
Ring forms the movable distance of piercing element 112, and pierceable film after ring 118 is torn in the shell of interface unit
110。
It should be noted that including the interface unit 104 of filter assemblies and container body 102 is fixed to each other, together
The liquid memory of an entirety is constituted, vein treatment device of the present invention belongs to drug packaging material field.
When preparing using the vein treatment device, operator is inserted into the tool for being connected to peripheral IV conduit,
For example, instillator, the sealing to the outlet end of interface unit 104 115, outlet end 115 is destroyed.Operator removes removable division ring
118, filter assemblies 108 are fully inserted into, so that piercing element 112 pierces through film 110, the inner cavity of interface unit 104 and container body
102 liquid outlet is connected, so that the liquid in container body 102 enters interface unit inner cavity, cocurrent through filter element, it
Afterwards, enter peripheral IV conduit from the outlet end of interface unit 104 115, into the needle injection site with subject.At other
In embodiment, it is of course also possible to before tool (such as instillator) is connected to the outlet end of interface unit, first by interface portion
The piercing element of the input end of part is pierced into container body.
In some embodiments, as shown in figure 3, container body 102 be also connected at least one for receive will be added into
To the satellite interface 106 of the liquid of liquid memory.In use, substance (for example, pharmaceutically active substance) can be by auxiliary
Adjuvant grafting mouth 106 is injected into container body 102.For example, one in satellite interface 106 includes that needle hub and/or needleless connect
The syringe (not shown) for filling substance is connected to the interface by interface (for example, female Luer), operator.Then, operator
By satellite interface 106 by substance from syringe inject container body 102 liquid in.It when in use, can be living by drug
Property substance pass through satellite interface inject liquid memory formed medical fluid.It is formed after medical fluid, is needed in use, operator will be external
Ductus venosus destroys the sealing of interface unit outlet end, is inserted into the outlet of filter assemblies, overcomes interface unit import later
The piercing element of interface unit input end is pierced through film by the limiting device at end, so that medical fluid flows through filter element, and from interface portion
The outlet end of part enters peripheral IV conduit, reaches injection site (for example, the needle with subject is infused through peripheral IV conduit
Penetrate position).
Satellite interface 106 can be set to except interface unit 104 as shown in Figure 3.Certainly, in other embodiments, assist
Interface 106 also can integrate in interface unit 104, and the pipeline of satellite interface 106 is set in 104 inner cavity of interface unit.
Fig. 5, Fig. 6 show another embodiment of vein treatment device of the present invention, in this embodiment, interface unit
It is equipped with elastic tube 218 between 204 input end 213 and the liquid outlet 203 of container body 202, does not make in vein treatment device
With state, the elastic tube 218 prevents the liquid of the piercing element 212 by certain distance close to the container body
Outlet.As shown in figure 5, elastic tube 218 can be bellows, piercing element is located in elastic tube cavity, can be in inner cavity by external force
Effect is moved forward and backward (bellows is compressed or stretched at this time).When vein treatment device is not used, in the nature of elastic tube 218
It is spaced apart between the liquid outlet 203 of the piercing element 212 in interface unit 204 and liquid container 202 under state,
Piercing element 212 and film 210 are separately；In vein treatment device by use, by external force, interface unit can be made
204 input end overcomes the elastic force of elastic tube 218, close to the liquid outlet 203 of container body 202, and makes piercing element
212 pierce through film 210, so that, the liquid stream of container body 202 enters filter assemblies 208, and through the filtering in filter assemblies 208
Element 209 flows out, and into peripheral IV conduit, is finally reached injection site.
In yet another embodiment of the present invention, filter assemblies 308 are embedded in the inner cavity of interface unit 304, such as filter
Component 308 is wholly or partially set as cylindrical type, allows to be centainly frictionally embedded in the inner cavity of interface unit 304,
I.e. filter assemblies excircle wholly or partially with the inner cavity of interface unit 304 formed tight fit, to prevent the puncture
Element is by certain distance close to the liquid outlet of the container body.This tight fit makes in its natural state, not
When using vein treatment device, filter assemblies 308 will not the intracavitary movement in interface unit 304, piercing element will not approach
The liquid outlet of container body.
As a kind of improvement of above-described embodiment, in other embodiments, as Fig. 7, Fig. 8 show vein treatment of the present invention
Another embodiment of device, the inner cavity cavity wall of interface unit 304 are equipped with the extrudable filtering positioned at 304 inner cavity of interface unit
The protrusion 318 of component 308, protrusion 318 prevent piercing element 312 by certain distance close to the liquid outlet of container body 304
303.When vein treatment device is not used, the circumferential surface of the filter assemblies 308 in interface unit is squeezed by protrusion 318, so that wearing
Element 312 is pierced by prevention to spaced apart with film；In vein treatment device in use, filter assemblies 308 are in outer masterpiece
It, can will be outer under, such as when by the sealing of the outlet end 315 of a part insertion interface unit 304 of peripheral IV conduit
Ductus venosus continuation in portion's pushes certain distance inward, so that filter assemblies overcome protrusion to squeeze the friction generated, to make
Piercing element is obtained by certain distance close to the liquid outlet of container body, and pierces through film 310.In other embodiments, may be used
The outer periphery of piercing element to be embedded into the inner cavity of interface unit, i.e., wholly or partially set round for piercing element
Cylindricality allows to be centainly frictionally embedded in the inner cavity of interface unit 304.When in use, by external force, such as will be outer
When the sealing of the outlet end 315 of a part insertion interface unit 304 of portion's ductus venosus, peripheral IV conduit can be continued past
In push certain distance, thus by filter assemblies push indirectly piercing element overcome protrusion squeeze generate friction, to make
Piercing element is obtained by certain distance close to the liquid outlet of container body, and pierces through the film.In also some other implementations
In example, protrusion 318 is not necessary setting yet, as long as filter assemblies or piercing element are to be centainly frictionally embedded in interface
The inner cavity of component, and filter assemblies or piercing element will not be moved easily in the inner cavity of interface unit in its natural state
It is dynamic, and piercing element is caused to pierce through film in non-working condition.
Fig. 9, Figure 10 show another embodiment of vein treatment device of the present invention.Filter assemblies 408 are at least partly embedding
Enter the inner cavity of the input end 413 of the interface unit 404, and forms tight fit, this tight fit with the inner cavity of input end 413
The degree for needing to reach basic liquid sealing, is provided with axial sliding slot 417 at the shell of interface unit 404, filter assemblies 408 it is outer
Wall is equipped with the pushing block 419 being located in sliding slot 417, and pushing block can drive described integral with filter assemblies 408 under external force
Piercing element 412 and pierces through the film 410 close to the liquid outlet 403 of the container body 402.As shown, filtering
The outer diameter size of 408 outer end of component (close to one end of the outlet end of interface unit 404) should be designed as and interface unit
The inner cavity of 404 outlet end 415 is mutually fitted into, so as to generate the cooperation of liquid sealing；The inner end of filter assemblies is (close to interface portion
412 one end of one end namely piercing element of the input end of part 404) outer diameter size should be designed as and interface unit 404
The inner cavity of input end 413 is mutually fitted into, so as to generate the cooperation of liquid sealing.When pushing pushing block 419, filter assemblies 408
It interior outer end can be mobile (correspondingly, piercing element 412 is also moving in the inner cavity of the inlet end and an outlet end of interface unit 404
It is dynamic), and its moving distance is designed as the outer ends of filter assemblies 408 and moves inward and will not move at sliding slot, filter assemblies 408
Inner end, which is displaced outwardly, to be moved at sliding slot.After piercing element 412 pierces through film 410, the liquid in container body 402 was flowed into
Component 408 is filtered, and is flowed out by the filter element 409 in filter assemblies 408, into peripheral IV conduit, is finally reached injection
Position.
Obviously, various changes and modifications can be made to the invention without departing from skill of the invention by those skilled in the art
Art range and system structure.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent skill
Within art range and system structure, then the present invention is also intended to include these modifications and variations.Such as the above-mentioned implementation except Fig. 2
Exception, in other embodiments, can also increase satellite interface；Shape than container body in embodiment as described above is
Non-limiting embodiment, those skilled in the art can of course design other container shapes.
Above disclosed is only the preferred embodiment of invention, cannot limit the power of the utility model with this certainly
Sharp range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (8)
1. a kind of vein treatment device, including the liquid memory comprising therapeutic fluid, which is characterized in that the fluid storage
Device includes：
For accommodating the container body of the therapeutic fluid, the container body has liquid outlet；
Inside is equipped with the interface unit of filter assemblies, and the input end of the interface unit is connected to the liquid of the container body
Body outlet, the sealing for covering the liquid outlet of the filter assemblies is contained in the outlet end of the interface unit；
The junction attachment of the liquid outlet of the input end of the interface unit and the container body is equipped with film, the film
Be arranged to prevent the filter element of the filter assemblies before the vein treatment device use with the therapeutic fluid
Contact.
2. vein treatment device as described in claim 1, it is characterised in that：
It include piercing element in the input end of the interface unit, when the piercing element of the interface unit is in interface
In the inner cavity of component by certain distance close to the liquid outlet of the container body when, described in the piercing element pierces through
Film.
3. vein treatment device as claimed in claim 2, it is characterised in that：
Removable division ring is equipped at the shell of the input end of the interface unit, the removable division ring prevents the piercing element
By certain distance close to the liquid outlet of the container body.
4. vein treatment device as claimed in claim 2, it is characterised in that：
Elastic tube, the elastic tube resistance are equipped between the input end of the interface unit and the liquid outlet of the container body
Only the piercing element is by certain distance close to the liquid outlet of the container body.
5. vein treatment device as claimed in claim 2, it is characterised in that：
The filter assemblies or the piercing element are embedded in the inner cavity of the interface unit, the filter assemblies or the puncture
Element at least partly forms tight fit with the inner cavity of the interface unit, to prevent the piercing element by certain distance
Close to the liquid outlet of the container body.
6. vein treatment device as claimed in claim 5, it is characterised in that：
The inner cavity cavity wall of the interface unit is equipped with the extrudable filter assemblies or described positioned at the interface unit inner cavity
The protrusion of piercing element, the protrusion prevent the liquid of the piercing element by certain distance close to the container body
Outlet.
7. vein treatment device as claimed in any one of claims 1 to 6, it is characterised in that：
The container body, which is also connected at least one, will be added into the satellite interface of the liquid of liquid memory for receiving.
8. vein treatment device as claimed in claim 7, it is characterised in that：
The pipeline of the satellite interface is set in the interface unit, or is set to outside the interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378087.4A CN108853638A (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461981401P | 2014-04-18 | 2014-04-18 | |
| CN201410523271.5A CN104998318B (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
| CN201810378087.4A CN108853638A (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
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| CN201410523271.5A Division CN104998318B (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
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| CN108853638A true CN108853638A (en) | 2018-11-23 |
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| CN201610831387.4A Active CN106377816B (en) | 2014-04-18 | 2014-06-30 | Intravenous therapy device comprising at least one filter assembly |
| CN201420361323.9U Withdrawn - After Issue CN204233524U (en) | 2014-04-18 | 2014-06-30 | Intravenous therapy device comprising at least one filter |
| CN201410310823.4A Active CN104127932B (en) | 2014-04-18 | 2014-06-30 | Intravenous therapeutic device comprising at least one filter |
| CN201810378087.4A Pending CN108853638A (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
| CN201420576329.8U Expired - Lifetime CN204233526U (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
| CN201410523271.5A Active CN104998318B (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
| CN201420669984.8U Expired - Lifetime CN204246586U (en) | 2014-04-18 | 2014-11-10 | Vein treatment device |
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| CN201610831387.4A Active CN106377816B (en) | 2014-04-18 | 2014-06-30 | Intravenous therapy device comprising at least one filter assembly |
| CN201420361323.9U Withdrawn - After Issue CN204233524U (en) | 2014-04-18 | 2014-06-30 | Intravenous therapy device comprising at least one filter |
| CN201410310823.4A Active CN104127932B (en) | 2014-04-18 | 2014-06-30 | Intravenous therapeutic device comprising at least one filter |
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| CN201420576329.8U Expired - Lifetime CN204233526U (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
| CN201410523271.5A Active CN104998318B (en) | 2014-04-18 | 2014-09-30 | Vein treatment device |
| CN201420669984.8U Expired - Lifetime CN204246586U (en) | 2014-04-18 | 2014-11-10 | Vein treatment device |
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| WO (1) | WO2015160823A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377816B (en) * | 2014-04-18 | 2020-02-14 | 广东海恺普新型医药包装材料有限公司 | Intravenous therapy device comprising at least one filter assembly |
| US10300228B2 (en) * | 2014-08-26 | 2019-05-28 | Innovosciences, Llc | Thermal modulation of an inhalable medicament |
| CN106237443B (en) * | 2015-12-22 | 2022-11-11 | 陈陆陆 | Filter equipment reaches filtration infusion container including it |
| WO2018219182A1 (en) * | 2017-05-27 | 2018-12-06 | 江苏金塔药业有限公司 | Filtering device and filtering infusion container comprising same |
| CN109276780B (en) * | 2017-07-20 | 2024-06-25 | 上海金塔医用器材有限公司 | Filter device and filtration transfusion container comprising same |
| AU2018302984B2 (en) | 2017-07-20 | 2021-12-09 | Gemtier Medical (Jiangsu) Inc. | Filter device and filtering infusion container comprising same |
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- 2014-09-30 CN CN201420576329.8U patent/CN204233526U/en not_active Expired - Lifetime
- 2014-09-30 CN CN201410523271.5A patent/CN104998318B/en active Active
- 2014-11-10 CN CN201420669984.8U patent/CN204246586U/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104998318B (en) | 2018-08-03 |
| CN104127932A (en) | 2014-11-05 |
| WO2015160823A1 (en) | 2015-10-22 |
| CN106377816A (en) | 2017-02-08 |
| CN204233524U (en) | 2015-04-01 |
| CN204233526U (en) | 2015-04-01 |
| CN204246586U (en) | 2015-04-08 |
| CN104998318A (en) | 2015-10-28 |
| CN104127932B (en) | 2017-01-11 |
| CN106377816B (en) | 2020-02-14 |
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Application publication date: 20181123 |
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