CN106110445B - A kind of infusion system of portable medication infusion device - Google Patents
A kind of infusion system of portable medication infusion device Download PDFInfo
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- CN106110445B CN106110445B CN201610664740.4A CN201610664740A CN106110445B CN 106110445 B CN106110445 B CN 106110445B CN 201610664740 A CN201610664740 A CN 201610664740A CN 106110445 B CN106110445 B CN 106110445B
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- needle
- infusion
- needle stand
- guide post
- medicine
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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
-
- 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
- A61M5/178—Syringes
- A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M2005/3114—Filling or refilling
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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
The present invention provides a kind of infusion system of portable medication infusion device, with a threeway cavity body structure of the design on upper casing and the elastic material component being used cooperatively be drug fluid from outer injectors to shell in medicine-storing tube, flow path from medicine-storing tube to infusion needle provides a transition passage, it can be realized with common injection needle as medicine-storing tube injection, and injection can be repeated as many times after the drug fluid use in medicine-storing tube；Needle stand structure exquisiteness where upper and lower shell structure and infusion needle cooperates, and not only ensure that the compactedness of infusion apparatus, but also the position that patient safety can be allowed easily to control infusion needle；In addition, the safety when protective cover being installed on needle stand is further increased using infusion needle.The infusion system of portable infusion device of the present invention has both small in size, delicate structure, and operation is simple, ensures safe advantage.
Description
Technical field
The present invention relates to a kind of medical instruments, specifically, being related to a kind of infusion system of portable medication infusion device.
Background technique
Drug fluid infusion device is by patient's body continuous injection drug, to realize the one of patient condition's treatment
Kind medical device.Drug fluid infusion device is widely used in the treatment of diabetes, and the dosage needed according to human body is by pancreas
Island element is constantly infused into the subcutaneous of patient, with this come the stabilization of simulating the secreting function of pancreas to keep patient blood glucose.Medicine
Logistics body is commonly stored in a medicine-storing tube, and existing drug fluid infusion device is usually to connect drug fluid by one section
Conduit to the pump housing is infused into patient's body, and in the actual use process, wearing conduit usually not only can be to the activity of patient
Etc. causing certain obstruction, nor it is beautiful.
The shortcomings that for said medicine fluid infusion device, industry has developed a kind of is directly glued the pump housing by medical proof fabric
On a patient body, the duct free drug fluid that the indwelling hose by being implanted into subcutis conveys drug fluid is transfused patch
Device.In terms of loading path, medicine-storing tube first is filled with syringe or uses pre-filled medicine-storing tube, then drug fluid passed through defeated
Note needle or the implantation subcutaneous indwelling hose of human body are transported to patient's body.The infusion device pre-filled for drug storage component, needs
There is the drug storage component of drug fluid in advance, then drug storage component is placed in the pump housing and is transfused.Drug in drug storage component
After fluid is finished, it is necessary to the drug storage component more renewed, or entire infusion device is directly replaced, cause the sustainable portion used in part
The waste of part, and one integral piece is abandoned and is only applicable to the mechanical pump without accurate expensive electronic component.Separately there is one kind directly by drug
The device that fluid injection drug storage component is transfused by the infusion needle being connected with drug storage component again, but require to match using dedicated
Injection component is covered, commercially available universal syringe cannot be used, so consumptive material is more, and it is at high cost, also it is unfavorable for answering extensively for syringe pump
With.How the necessarily requiring with most succinct structure solution from into medicine to drug of portable infusion pump small size is being met
Fluid passage problem is indispensable one of the attribute of outstanding portable infusion device.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of infusion system of portable medication infusion device,
Including the upper casing containing a threeway cavity, which is characterized in that the threeway cavity can connect with syringe, medicine-storing tube and infusion needle
It is logical；
One lower casing that can be combined with the upper casing；
One is provided with the medicine-storing tube in a hole, and the medicine-storing tube is arranged in upper casing；
A piece infusion needle.
Preferably, it is elastic material at three that the threeway cavity, which is used to be connected to the component of syringe, medicine-storing tube and infusion needle,
Element.
Preferably, the threeway cavity is used to connect on the elastic material component of medicine-storing tube and is provided with through-hole, on medicine-storing tube
Through-hole be connected.
Preferably, the infusion needle is U-shaped middle empty needle.
Preferably, the U-shaped middle empty needle is mounted on a needle stand, and the needle stand is movably mounted to the needle on the upper casing
In seat holding tank.
Preferably, the both ends of the U-shaped middle empty needle are different in size；Short one end punctures elastic material component and the threeway
Cavity is connected, for making the intracorporal drug fluid of threeway chamber be able to enter U-shaped hollow pin inner chamber；Long one end may pass through on described
Shell and lower casing are pierced into human skin, input drug fluid in human body by U-shaped middle empty needle.
Preferably, the needle stand includes solid needle guide post, for needle stand to be fixed at the U-shaped middle long end of empty needle；Further include
Multiple chamber guide post containing flange.
There are two accommodating chambers on the needle stand holding tank of the upper casing, wherein a cylindricality accommodating chamber is led for accommodating the solid needle
Column；Another accommodating chamber for accommodating the multiple chamber guide post, and with the flange cooperation on the multiple chamber guide post avoid the needle stand from
It is completely disengaged on upper casing.
Preferably, the slidably key for having miniature hook is additionally provided on the upper casing, the miniature hook can be released
Multiple chamber guide post described in the combination put, for controlling the position of needle stand.
Preferably, a guide post and one are additionally provided on the lower casing can hold the aperture accommodating chamber that infusion needle passes through.
Preferably, it is cased with a spring on the guide post of the lower casing, acted synergistically with slidably key, in the needle stand
The needle stand that rebounds after being pressed wears back infusion needle in lower casing.
Preferably, the multiple chamber guide post includes two cavitys；
Wherein a chamber is used to accommodate the guide post for being cased with spring on lower casing, and it is convex to be equipped with one for this close chamber on multiple chamber guide post
Edge does not completely disengage the needle stand from upper casing for the multiple chamber guide post to be blocked upper casing；
Another chamber is used to cooperate the miniature hook on slidably key, is additionally provided with a notch on the multiple chamber guide post, this is lacked
Mouth can hold the miniature hook and deviate from the chamber.
Preferably, the infusion system of portable infusion device of the present invention further includes the needle being removably installed on needle stand
Seat protective cover, which is provided with a snib；
The aperture of one with snib cooperation are respectively provided on the multiple chamber guide post of the upper casing and the needle stand；
Two hole of original state is overlapped and snib is inserted into two holes, for preventing the needle stand from irrelevantly being pressed so that defeated
Note needle is pierced by lower casing.
Preferably, the infusion system of portable infusion device of the present invention further includes one and is removably installed on described combine
Upper lower casing needle stand protective cover；
The needle stand protective cover upper lid is set to needle stand upper surface, and lower part is provide with the outlet that infusion needle on lower casing is stated in residence,
Infusion needle is prevented to be pierced by lower casing.
Preferably, the elastic material component is silica gel keys.
Preferably, the micropore of ventilation is also provided on the lower casing.
The prior art is compared, the infusion system of portable medication infusion device of the present invention has the beneficial effect that with lower section
Face: firstly, being drug fluid with the elastic material component for designing a threeway cavity body structure on upper casing and being used cooperatively
Medicine-storing tube in from outer injectors to shell, the flow path from medicine-storing tube to infusion needle provide a transition passage, with common
Injection needle can be realized as medicine-storing tube injection, and injection can be repeated as many times after the drug fluid use in medicine-storing tube；
Secondly, the needle stand structure exquisiteness cooperation where structure and infusion needle on upper lower casing, not only ensure that the compactedness of infusion apparatus, but also
Patient safety can be allowed easily to control the position of infusion needle；It finally but is not limited to, the protective cover being installed on needle stand further increases
Safety when having added using infusion needle, wherein a protective cover can also help the air being discharged in needle cavity.To sum up, this hair
The infusion system of bright portable infusion device has both small in size, delicate structure, and operation is simple, ensures safe advantage, full simultaneously
Foot patient is to the brilliant reliable demand of the compactedness and performance of portable infusion device.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the upper casing of the infusion system of portable medication infusion device of the present invention
Fig. 2 is the schematic diagram of the infusion system medicine-storing tube of portable medication infusion device of the present invention
Fig. 3 is the top view of the upper casing of the infusion system of portable medication infusion device of the present invention
Fig. 4 is the partly enlarged top view of the upper casing of the infusion system of portable medication infusion device of the present invention
Fig. 5 is the upper casing of the infusion system of portable medication infusion device of the present invention and the bottom view of needle stand
Fig. 6 is the side partial sectional view of the upper casing of the infusion system of portable medication infusion device of the present invention
Fig. 7 is the partial sectional view of the infusion system of portable medication infusion device of the present invention
Fig. 8 is the needle stand of the infusion system of portable medication infusion device of the present invention and the schematic diagram of shell
Fig. 9 is the schematic diagram of the infusion system lower casing of portable medication infusion device of the present invention
Figure 10 is the schematic diagram 1 of the infusion system needle stand protective cover of portable medication infusion device of the present invention
Figure 11 is the schematic diagram 2 of the infusion system needle stand protective cover of portable medication infusion device of the present invention
Specific embodiment
To realize the above-mentioned technical purpose, so that the features of the present invention and advantage are more clear and easy to understand, in conjunction with following embodiments
Illustrate the embodiments of the present invention.
Referring to Figures 1 and 2, the upper casing of the infusion system of a portable infusion device of the present invention and the reality of medicine-storing tube are provided
Apply example.As shown in Figure 1, the volume of upper casing 1 is broadly divided into two parts, i.e., for accommodating the needle stand holding tank 11 of needle stand and for holding
This two parts of the remainder of medicine-storing tube 6 and other component as shown in Figure 2 of receiving be in structure it is separated, threeway cavity is just
It is arranged in the structure for separating this two parts volume on upper casing 1.The threeway cavity towards medicine-storing tube 6 have on one side one piece it is convex
It rises, a silica gel keys 102 are just embedded in the protrusion, this silica gel keys 102 is the threeway cavity for being connected to its in infusion system
One of three elements of its component, these connections are so that infusion system is achieved pouring into and being transfused for drug fluid.Silica gel keys
102 are equipped with a hole, also are provided with a hole 61 on medicine-storing tube 6 as shown in Figure 2, which is communicated, realize medicine-storing tube 6 and threeway
The connection of cavity.
Referring to Fig. 3 to Fig. 5, the embodiment of a upper casing containing needle stand holding tank is provided.As described in Figure 3, the one of upper casing 1
End is equipped with needle stand holding tank 11, separately have one slidably key 3 be set on 1 side outer wall of upper casing, close to needle stand holding tank 11.Such as figure
Shown in 4, there are two accommodating chambers for the needle stand holding tank 11, and a cylindrical container chamber 111 is for accommodating as shown in Figure 5 be located at
A solid needle guide post 21 on needle stand；Another accommodating chamber 110 in irregular shape, which is used to accommodate, as shown in Figure 5 is located at needle stand
A multiple chamber guide post 22.As shown in figure 4, a silica gel keys 103 are additionally provided on upper casing 1, by making the short end of U-shaped needle pierce through the silicon
The inner cavity of the connection U-shaped needle of glue key 103 and the threeway cavity.
Referring to Fig. 5 to Fig. 9, the how mutually matched embodiment of each structure on needle stand, upper casing and a lower casing is provided.Such as figure
Shown in 5, the threeway cavity 10 is the buffer channel of a drug fluid in irregular shape, and setting divides by 1 inner cavity of upper casing
It is divided into the structure of needle stand holding tank 11 and remainder.Sliding with miniature hook 31 is additionally provided on 1 side wall of upper casing
Dynamic key 3, the miniature hook 31 are releasedly combined with the multiple chamber guide post 22, for control needle stand initial position with
Switching between operating position.As shown in figure 5, the multiple chamber guide post 22 on needle stand also has irregular shape and there are two chamber,
In a chamber 23 be used to accommodate the as shown in Figure 7 guide post 41 for being cased with spring 42 being located on lower casing, another chamber 24 with slidably press
Miniature hook 31 on key 3 cooperates, and is additionally provided with a notch 221 as shown in Figure 7a, the miniature hook on multiple chamber guide post 22
31 can deviate from chamber 24 engaged therewith from the notch.
Fig. 6 illustrates connection threeway cavity 10 and medicine-storing tube and the silica gel keys 102 and 103. of U-shaped needle short end work as medicine-storing tube
Setting completed in upper casing, and the silica gel keys 102 that the protrusion on upper casing as shown in Figure 1 is embedded in compress drug storage as shown in Figure 2
With anti-leak, the hole in silica gel keys 102 passes to realization medicine with 61 phase of hole in Fig. 2 on medicine-storing tube 6 for the part swelled slightly on cylinder
Logistics body is from threeway cavity 10 to the access of medicine-storing tube 6 or backward channel.
Referring to figure 6 and figure 7, the embodiment that a drug fluid enters medicine-storing tube from syringe by threeway cavity is provided.
It is different from where slidably key 3 as shown in fig. 6, separately there are a silica gel keys 101 to be set on upper casing close to needle stand holding tank 11
The other side outer wall of outer wall is connected to the syringe that the threeway cavity 10 and an attached drawing are not shown.When medicine-storing tube needs perfusion
When, the syringe needle of the syringe equipped with drug fluid is pierced into silica gel keys 101, drug fluid passes through silica gel keys 101 as shown in Figure 7
Enter threeway cavity 10 from syringe, then enters medicine-storing tube from threeway cavity 10 by silica gel keys 102 as shown in FIG. 6 again.
Referring to figure 6 and figure 7, silica gel keys 103 are connected to the inner cavity of threeway cavity 10 and U-shaped needle.Fig. 7 a illustrates no needle stand
In the case where the cross-sectional view how to be connected of upper lower casing, Fig. 7 b illustrates needle stand and is depressed in U when in needle stand holding tank on needle stand
The cross-sectional view how structure of shape needle and upper lower casing cooperates.As shown in Figure 7b, when needle stand 2 is depressed in the needle stand holding tank of upper casing
When interior, the short end 51 of U-shaped needle punctures silica gel keys 103 and is connected to U-shaped pin inner chamber and threeway cavity 10, is fixed on consolidating for needle stand 2 at this time
The long end 52 of U-shaped needle portalling in the accommodating chamber 43 on lower casing on needle guide post 21 is pierced by lower casing and is pierced into human skin.When need
When wanting loading, the piston that an attached drawing is not shown in medicine-storing tube is pushed by the driving unit of portable infusion device, by injecting
The hole 61 that the drug fluid of device injection medicine-storing tube 6 passes through in hole and Fig. 2 in Fig. 6 in silica gel keys 102 on medicine-storing tube flow back into three
Cavity body 10, then the U-shaped needle short end 51 by puncturing silica gel keys 103 flow into U-shaped pin inner chamber, as shown in Figure 7b finally by passing through
Lower casing on aperture accommodating chamber 43 the long end 52 of U-shaped needle enter human body.
As shown in fig. 7, the cylinder 41 for being cased with spring 42 on lower casing 4 is located at U-shaped when upper and lower shell phase connects in terms of the visual angle of side
Between needle short end 51 and long end 52, for being slided in as shown in Figure 5 and Figure 6 when needle stand 2 is depressed in needle stand holding tank 11
Dynamic key 3 releases needle stand 2 under cooperating from needle stand holding tank 11.
Fig. 8 provides the U-shaped needle on needle stand 2 and needle stand 2 and another visual angle of upper lower casing cooperation.As shown in Figure 8 a, needle
Seat 2 multiple chamber guide post 22 on be additionally provided with a notch 221 and with another circumferential notch 222, notch 221 for allow it is as shown in Figure 5
Slidably the miniature hook 31 of key 3 is in chamber 24 from skidding off so that needle stand 2 rebounds from needle stand accommodating chamber, circumferential notch 222 with
A kind of needle stand protective cover cooperation, is detailed below.And as shown in Figure 8 a, multiple chamber guide post 22 is being additionally provided with a flange at chamber 23
223, it is unlikely to complete from upper casing for that will answer when chamber guide post 22 is stuck on upper casing and makes needle stand 2 as shown in Figure 8 b in initial position
Full abjection.When needle stand 2 is depressed in needle stand holding tank and the long end 52 of U-shaped needle is pierced by lower casing as shown in Figure 8 c, slidably key 3
The chamber 24 that sticks on multiple chamber guide post 22 of miniature hook 31 in needle stand 2 is fixed on operating position, enable the long end 52 of U-shaped needle be maintained at
Except lower casing.At this point, the spring 42 on lower casing upper guide post 41 is in compressive state as shown in Figure 7b.
Referring to Fig. 5, Fig. 7, Fig. 8, when needing to draw back U-shaped needle, slidably key 3 are slided, keep the miniature alignment of hook 31 multiple
Notch 221 on chamber guide post 22, then miniature hook 31 is skidded off from chamber 24, and multiple chamber guide post 22 is no longer blocked by miniature hook 31,
42 elastic force of spring release on guide post 41 makes needle stand 2 release needle stand holding tank by the guide post 41 on lower casing and returns to its initial position,
The long end 52 of U-shaped needle is then retracted within lower casing.
Referring to Fig. 9, the air hole 44 of three ventilations is additionally provided on lower casing 4, for keeping shell in infusion process intracorporal
Air pressure balance.
0 and Fig. 8 referring to Fig.1 provides the embodiment of a needle stand protective cover of the present invention.As shown in Figure 10 a, needle stand protective cover
7 are equipped with a snib 71.The upper casing 1 as shown in Fig. 8 b and 8c has a hole 12, has a circle to lack on chamber guide post 22 again as shown in Figure 8 a
Mouth 222, two hole is overlapped when needle stand 2 is in original state.When snib 71 is inserted into two hole, needle stand protective cover 7 is stuck in needle stand 2
Between the needle stand holding tank 11 of upper casing 1, as shown in fig. lob, needle stand 2 is made to be fixed on its initial position in this way, it will not be by not
Properly press.
Referring to Fig.1 1,7 and 8, provide the embodiment of another needle stand protective cover of a present invention.As shown in fig. 11a, needle stand
Protective cover 8 includes a top shell 81, a bottom case 82 and two kellies 83.Top shell 81 covers edge on needle stand 2, and bottom case 82 blocks down
The long end 52 of U-shaped needle is portalled on shell, and two kellies 83 block upper casing 1.To before human body loading, it usually will should first be transfused pin inner chamber
Air discharge, this process are known as full.After filling medicine-storing tube, by the top shell 81 of pressure needle seat protective cover 8, needle stand 2 can be slightly downward
Rather than be fully pressed, because bottom case 82 has blocked the outlet at the long end 52 of U-shaped needle.With the slightly downward movement of needle stand 2, such as
U-shaped needle short end 51 shown in Fig. 8 punctures silica gel keys 103, and then U-shaped pin inner chamber is connected to threeway cavity 10, makes drug fluid from three
Cavity body 10 is entire interior intracavitary full of U-shaped needle.But since bottom case 82 has blocked the outlet at the long end 52 of U-shaped needle, the long end 52 of U-shaped needle is simultaneously
Lower casing will not be pierced by and be pierced into human body, this just completes full process before loading.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (11)
1. a kind of infusion system of portable medication infusion device, comprising:
Upper casing containing a threeway cavity, which is characterized in that the threeway cavity can connect with syringe, medicine-storing tube and infusion needle
It is logical；The component that the threeway cavity is used to be connected to syringe, medicine-storing tube and infusion needle is elastic material component at three；The threeway
Cavity is used to connect on the elastic material component of medicine-storing tube and is provided with through-hole, is connected with the through-hole on medicine-storing tube；
One lower casing that can be combined with the upper casing；
One is provided with the medicine-storing tube in a hole, and the medicine-storing tube is arranged in upper casing；There is a piston in the medicine-storing tube, it is described
Piston is pushed by a driving unit；
A piece infusion needle, the infusion needle are U-shaped middle empty needle, and the U-shaped middle empty needle is mounted on a needle stand, and the needle stand is movable
Ground is mounted in the needle stand holding tank on the upper casing；When needle stand is depressed in the needle stand holding tank of upper casing, it is described it is U-shaped in
Empty needle one end puncture elastic material component is connected with the threeway cavity, the other end is pierced by lower casing and is pierced into human skin.
2. according to the infusion system according to portable medication infusion device described in claim 1, it is characterised in that
The both ends of the U-shaped middle empty needle are different in size；
Short one end punctures elastic material component and is connected with the threeway cavity, for enabling the intracorporal drug fluid of threeway chamber
Into U-shaped hollow pin inner chamber；
Long one end may pass through the upper casing and lower casing is pierced into human skin, and drug fluid is made to input human body by U-shaped middle empty needle
It is interior.
3. according to the infusion system according to portable medication infusion device described in claim 1, which is characterized in that
The needle stand includes solid needle guide post, for needle stand to be fixed at the U-shaped middle long end of empty needle；It further include answering containing flange
Chamber guide post；
There are two accommodating chambers on the needle stand holding tank of the upper casing, wherein a cylindricality accommodating chamber is for accommodating the solid needle guide post；
Another accommodating chamber avoids the needle stand from upper casing for accommodating the multiple chamber guide post, and with the flange cooperation on the multiple chamber guide post
On completely disengage.
4. the infusion system of portable medication infusion device according to claim 3, which is characterized in that
The slidably key for having miniature hook is additionally provided on the upper casing, described in the miniature releasable combination of hook
Multiple chamber guide post, for controlling the position of needle stand.
5. the infusion system of portable medication infusion device according to claim 4, which is characterized in that
A guide post and one are additionally provided on the lower casing can hold the aperture accommodating chamber that infusion needle passes through.
6. the infusion system of portable medication infusion device according to claim 5, which is characterized in that
It is cased with a spring on the guide post of the lower casing, acts synergistically with slidably key, for the bullet after the needle stand is pressed
Returning the needle stand wears back infusion needle in lower casing.
7. the infusion system of portable medication infusion device according to claim 6, which is characterized in that
The multiple chamber guide post includes two cavitys；
Wherein a chamber is used to accommodate the guide post for being cased with spring on lower casing, this close chamber is equipped with a flange on multiple chamber guide post, uses
The needle stand is not completely disengaged from upper casing in the multiple chamber guide post is blocked upper casing；
Another chamber is used to cooperate the miniature hook on slidably key, is additionally provided with a notch on the multiple chamber guide post, which can
Hold the miniature hook and deviates from the chamber.
8. the infusion system of portable medication infusion device according to claim 3, which is characterized in that
Further include the needle stand protective cover being removably installed on needle stand, which is provided with a snib；
The aperture of one with snib cooperation are respectively provided on the multiple chamber guide post of the upper casing and the needle stand；
Two hole of original state is overlapped and snib is inserted into two holes, for preventing the needle stand from irrelevantly being pressed so that infusion needle
It is pierced by lower casing.
9. the infusion system of portable medication infusion device according to claim 1, which is characterized in that
It further include the needle stand protective cover for being removably installed on the upper lower casing combined；
The needle stand protective cover upper lid is set to needle stand upper surface, and lower part is provide with the outlet that infusion needle on lower casing is stated in residence, prevents
Infusion needle is pierced by lower casing.
10. the infusion system of portable medication infusion device according to claim 1, which is characterized in that
The elastic material component is silica gel keys.
11. the infusion system of portable medication infusion device according to claim 1, which is characterized in that
The micropore of ventilation is also provided on the lower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664740.4A CN106110445B (en) | 2016-08-12 | 2016-08-12 | A kind of infusion system of portable medication infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664740.4A CN106110445B (en) | 2016-08-12 | 2016-08-12 | A kind of infusion system of portable medication infusion device |
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| Publication Number | Publication Date |
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| CN106110445A CN106110445A (en) | 2016-11-16 |
| CN106110445B true CN106110445B (en) | 2019-12-03 |
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| CN201610664740.4A Active CN106110445B (en) | 2016-08-12 | 2016-08-12 | A kind of infusion system of portable medication infusion device |
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| WO2018027944A1 (en) * | 2016-08-12 | 2018-02-15 | Medtrum Technologies Inc. | Delivery system of portable delivery device |
| CN108295335A (en) * | 2018-01-26 | 2018-07-20 | 美敦力公司 | Sticking type fluid infusion apparatus and infusion needle protector |
| CN113543823B (en) * | 2019-05-17 | 2023-12-15 | 上海移宇科技有限公司 | Drug infusion device |
| CN111939386B (en) * | 2019-05-17 | 2023-05-09 | 上海移宇科技股份有限公司 | Double-side driven multi-infusion injection molding type medicine infusion device |
| WO2021012852A1 (en) * | 2019-07-19 | 2021-01-28 | Medtrum Technologies Inc. | Unilateral-driven medical device with infusion and detection integrated |
| EP3999144A4 (en) * | 2019-07-19 | 2023-03-29 | Medtrum Technologies Inc. | Integrated drug infusion device |
| EP4007624A4 (en) * | 2019-08-01 | 2023-04-05 | Medtrum Technologies Inc. | Driving apparatus and drug infusion device |
| CN113117184B (en) * | 2019-12-31 | 2023-02-28 | 上海移宇科技股份有限公司 | Unilateral driving patch type drug infusion device |
| US20230310740A1 (en) * | 2020-09-08 | 2023-10-05 | Medtrum Technologies Inc. | Infusion needle structure of drug infusion device |
| EP4274641A1 (en) * | 2021-01-05 | 2023-11-15 | Medtrum Technologies Inc. | A skin patch drug infusion device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106110445A (en) | 2016-11-16 |
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