CN106110445A - A kind of infusion system of portable medication infusion device - Google Patents
A kind of infusion system of portable medication infusion device Download PDFInfo
- Publication number
- CN106110445A CN106110445A CN201610664740.4A CN201610664740A CN106110445A CN 106110445 A CN106110445 A CN 106110445A CN 201610664740 A CN201610664740 A CN 201610664740A CN 106110445 A CN106110445 A CN 106110445A
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- Prior art keywords
- infusion
- needle
- needle stand
- guide pillar
- chamber
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Classifications
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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 the infusion system of a kind of portable medication infusion device, with a design threeway cavity body structure on upper casing and with the use of elastic material component be medicinal fluid from outer injectors to shell in medicine-storing tube, stream from medicine-storing tube to infusion needle provides a transition passage, medicine-storing tube injection can be embodied as, it is possible to repeatedly injection after the medicinal fluid use in medicine-storing tube with common entry needle；Shell structure coordinates with the needle stand structure exquisiteness at infusion needle place up and down, both ensure that the compactedness of infusion apparatus, patient safety can be allowed again to control the position of infusion needle easily；It addition, the protective cover being installed on needle stand further increases safety when using infusion needle.The infusion system of portable infusion device of the present invention, has volume concurrently little, delicate structure, and operation is simple, safing advantage.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, specifically, relate to the infusion system of a kind of portable medication infusion device.
Background technology
Medicinal fluid infusion device is by continuous injection medicine in the patient, thus realizes the one of patient condition's treatment
Plant medical device.Medicinal fluid infusion device is widely used in the treatment of diabetes, according to human body need dosage by pancreas
Island element is infused into the subcutaneous of patient constantly, simulates the secretory function of pancreas with this thus keeps stablizing of patient blood glucose.Medicine
Logistics body is commonly stored in a medicine-storing tube, and existing medicinal fluid infusion device is typically medicinal fluid by one section of connection
To the catheter infusion of the pump housing in the patient, during actual use, wearing conduit the most not only can be to the activity of patient
Etc. causing certain obstruction, nor attractive in appearance.
For the shortcoming of said medicine fluid infusion device, industry be have developed one and directly glued by medical proof fabric by the pump housing
Patch on a patient body, carries the duct free medicinal fluid infusion of medicinal fluid by implanting the indwelling flexible pipe of subcutis
Device.Loading path aspect, first fills medicine-storing tube with syringe or uses pre-filled medicine-storing tube, then by medicinal fluid by defeated
Note pin or implantation human body subcutaneous indwelling flexible pipe are transported in the patient.For the infusion device that drug storage parts are pre-filled, need
There are the drug storage parts of medicinal fluid in advance, in then drug storage parts are inserted the pump housing, carry out infusion.Medicine in drug storage parts
After fluid is totally lost, it is necessary to the drug storage parts more renewed, or directly change whole infusion device, cause the portion of the sustainable use of part
The waste of part, and one integral piece abandons the mechanical pump being only applicable to without accurate expensive electronic component.Separately have a kind of directly by medicine
Fluid is injected drug storage parts and is carried out the device of infusion again by the infusion needle being connected with drug storage parts, but requires to use special joining
Set injection parts, it is impossible to use commercially available universal syringe, so consumptive material is many, cost is high, is also unfavorable for extensively should of syringe pump
With.How can meet portable infusion pump small size necessarily require solve from entering medicine to drug with the most succinct structure
One of attribute that portable infusion device that fluid passage problem is outstanding is indispensable.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the present invention provides the infusion system of a kind of portable medication infusion device,
Including the upper casing containing a threeway cavity, it is characterised in that described threeway cavity can with syringe, medicine-storing tube and infusion needle even
Logical；
One lower casing that can combine with described upper casing；
One medicine-storing tube having a hole, described medicine-storing tube is arranged in upper casing；
A piece infusion needle.
Preferably, described threeway cavity is elastomeric material at three for connecting the parts of syringe, medicine-storing tube and infusion needle
Element.
Preferably, described threeway cavity has on through hole, with medicine-storing tube on the elastic material component of medicine-storing tube for connecting
Through hole be connected.
Preferably, described infusion needle is U-shaped hollow needle.
Preferably, described U-shaped hollow needle is arranged on a needle stand, and described needle stand is movably mounted to the pin on described upper casing
In seat holding tank.
Preferably, the two ends of described U-shaped hollow needle are different in size；Short one end punctures elastic material component and described threeway
Cavity is connected, and the medicinal fluid in enabling threeway cavity enters U-shaped hollow needle inner chamber；Long one end may pass through on described
Shell and lower casing thrust human body skin, make medicinal fluid pass through in U-shaped hollow needle input human body.
Preferably, described needle stand includes solid pin guide pillar, for the described long end of U-shaped hollow needle is fixed on needle stand；Also include
Multiple chamber guide pillar containing flange；
Having two to accommodate chambeies on the needle stand holding tank of described upper casing, wherein a cylindricality accommodates chamber and is used for accommodating described solid pin and leads
Post；Another accommodates chamber and is used for accommodating described multiple chamber guide pillar, and coordinate with the flange on the guide pillar of described multiple chamber avoid described needle stand from
Completely disengage from upper casing.
Preferably, described upper casing being additionally provided with a slidably button with miniature snap fit, described miniature snap fit can be released
Multiple chamber guide pillar described in the combination put, for controlling the position of needle stand.
Preferably, described lower casing is additionally provided with a guide pillar and one can hold the perforate that infusion needle passes and accommodate chamber.
Preferably, the guide pillar of described lower casing is cased with a spring, with slidably button synergism, is used at described needle stand
The described needle stand that rebounds after being pressed makes infusion needle wear back in lower casing.
Preferably, described multiple chamber guide pillar includes two cavitys；
Wherein a chamber is for accommodating the guide pillar being cased with spring described on lower casing, multiple chamber guide pillar is provided with one near this chamber convex
Edge, makes described needle stand not completely disengage from from upper casing for described multiple chamber guide pillar is blocked upper casing；
Another chamber, for coordinating the miniature snap fit on slidably button, described multiple chamber guide pillar is additionally provided with a breach, and this lacks
Mouth can hold described miniature snap fit and deviate from this chamber.
Preferably, the infusion system of portable infusion device of the present invention also includes a pin being installed on removably on needle stand
Seat protective cover, which is provided with a snib；
It is respectively provided with an aperture coordinated with described snib on the multiple chamber guide pillar of described shell and described needle stand；
Original state holes overlaps and snib inserts in holes, is used for preventing described needle stand from being pressed irrelevantly so that defeated
Note pin passes lower casing.
Preferably, the infusion system of portable infusion device of the present invention also include one be installed on removably described in combine
The needle stand protective cover of upper lower casing；
Described needle stand protective cover upper lid is located at needle stand upper surface, and lower cover sets residence and states the outlet of infusion needle on lower casing,
Prevent infusion needle from passing lower casing.
Preferably, described elastic material component is silica gel keys.
Preferably, described lower casing also has the micropore of ventilation.
Contrast prior art, having the beneficial effect that with lower section of the infusion system of portable medication infusion device of the present invention
Face: first, with a design threeway cavity body structure on upper casing and with the use of elastic material component be medicinal fluid
Medicine-storing tube in from outer injectors to shell, the stream from medicine-storing tube to infusion needle provides a transition passage, with common
Entry needle can be embodied as medicine-storing tube injection, it is possible to repeatedly injection after the medicinal fluid use in medicine-storing tube；
Secondly, the structure on upper lower casing coordinates with the needle stand structure exquisiteness at infusion needle place, both ensure that the compactedness of infusion apparatus, again
Patient safety can be allowed to control the position of infusion needle easily；Last but be not limited to, the protective cover being installed on needle stand increases further
Having added safety when using infusion needle, the most a protective cover also assists in the air discharged in pin chamber.Sum it up, this
The infusion system of bright portable infusion device, has volume concurrently little, delicate structure, and operation is simple, safing advantage, simultaneously full
Foot patient is to the compactedness of portable infusion device and the remarkable demand reliably of performance.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view 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 close-up top view of the upper casing of the infusion system of portable medication infusion device of the present invention
Fig. 5 is upper casing and the upward view of needle stand of the infusion system of portable medication infusion device of the present invention
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 needle stand and the schematic diagram of housing of the infusion system of portable medication infusion device of the present invention
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
Detailed description of the invention
For realizing above-mentioned technical purpose so that feature and the advantage of the present invention are more clear and easy to understand, in conjunction with following embodiment
Illustrate the embodiments of the present invention.
See figures.1.and.2, provide upper casing and the reality of medicine-storing tube of the infusion system of a portable infusion device of the present invention
Execute example.As it is 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
Receive medicine-storing tube 6 as shown in Figure 2 and the remainder of miscellaneous part. these two parts are structurally separate, and threeway cavity is just
It is arranged on upper casing 1 in the structure of separately this two parts volume.Described threeway cavity towards the one side of medicine-storing tube 6 have one piece convex
Rising, a silica gel keys 102 is just embedded in this projection, and this silica gel keys 102 is described threeway cavity for connecting in infusion system it
One of three elements of its parts, these connections make infusion system be achieved pouring into and infusion of medicinal fluid.Silica gel keys
102 are provided with a hole, medicine-storing tube 6 as shown in Figure 2 also is provided with a hole 61, this holes is communicated, it is achieved medicine-storing tube 6 and threeway
The connection of cavity.
With reference to Fig. 3 to Fig. 5, provide the embodiment of a upper casing containing needle stand holding tank.As described in Figure 3, the one of upper casing 1
End is provided with needle stand holding tank 11, separately have one slidably button 3 be located on the outer wall of upper casing 1 side, near needle stand holding tank 11.Such as figure
Shown in 4, described needle stand holding tank 11 has two to accommodate chambeies, and cylindrical container chamber 111 is for accommodating being positioned at as shown in Figure 5
The solid pin guide pillar 21 of on needle stand one；Another receiving chamber in irregular shape 110 for accommodate as shown in Figure 5 be positioned at needle stand
A multiple chamber guide pillar 22.As shown in Figure 4, upper casing 1 is additionally provided with a silica gel keys 103, pierces through this silicon by the short end making U-shaped pin
Glue key 103 connects the inner chamber of U-shaped pin and described threeway cavity.
With reference to Fig. 5 to Fig. 9, provide the embodiment that on a needle stand, upper casing and lower casing, how each structure cooperates.Such as figure
Shown in 5, described threeway cavity 10 is the buffer channel of a medicinal fluid in irregular shape, is arranged on and is divided by upper casing 1 inner chamber
It is divided in the structure of needle stand holding tank 11 and remainder.Sliding with miniature snap fit 31 it is additionally provided with on upper casing 1 sidewall
Dynamic button 3, described miniature snap fit 31 combines with described multiple chamber guide pillar 22 releasedly, be used for controlling needle stand initial position with
Switching between operating position.As it is shown in figure 5, the multiple chamber guide pillar 22 on needle stand also has irregular shape and has two chambeies, its
In a chamber 23 for accommodating the guide pillar 41 being cased with spring 42 being positioned on lower casing as shown in Figure 7, another chamber 24 with slidably press
Miniature snap fit 31 on key 3 coordinates, and multiple chamber guide pillar 22 is additionally provided with a breach 221 as shown in Figure 7a, described miniature snap fit
31 can deviate from, from this breach, the chamber 24 coordinated with it.
Fig. 6 illustrates the silica gel keys 102 and 103. of connection threeway cavity 10 and medicine-storing tube and U-shaped pin short end and works as medicine-storing tube
In upper casing, setting completed, and the silica gel keys 102 that the projection on upper casing as shown in Figure 1 is embedded in compresses drug storage as shown in Figure 2
The part slightly swelled on cylinder passes to realize medicine with hole 61 phase on medicine-storing tube in Fig. 26 with anti-leak, the hole in silica gel keys 102
Logistics body from threeway cavity 10 to the path of medicine-storing tube 6 or backward channel.
With reference to Fig. 6 and Fig. 7, provide a medicinal fluid and entered the embodiment of medicine-storing tube from syringe by threeway cavity.
As shown in Figure 6, separately have a silica gel keys 101 be located on upper casing near needle stand holding tank 11 be different from slidably button 3 place
The opposite side outer wall of outer wall, connects described threeway cavity 10 and syringe that an accompanying drawing is not shown.When medicine-storing tube needs perfusion
Time, the syringe needle of the syringe that will be equipped with medicinal fluid thrusts silica gel keys 101, and medicinal fluid is by silica gel keys 101 as shown in Figure 7
Enter threeway cavity 10 from syringe, enter medicine-storing tube by silica gel keys 102 as shown in Figure 6 from threeway cavity 10 the most again.
With reference to Fig. 6 and Fig. 7, silica gel keys 103 connects threeway cavity 10 and the inner chamber of U-shaped pin.Fig. 7 a illustrates does not has needle stand
In the case of the sectional view how to be connected of upper lower casing, Fig. 7 b illustrates U when needle stand is depressed in needle stand holding tank on needle stand
The sectional view how shape pin coordinates with the structure of upper lower casing.As shown in Figure 7b, it is depressed in the needle stand holding tank of upper casing when needle stand 2
Time interior, the short end 51 of U-shaped pin punctures silica gel keys 103 and connects U-shaped pin inner chamber and threeway cavity 10, is now fixed on consolidating of needle stand 2
The long end of U-shaped pin 51 on pin guide pillar 21 passes lower casing through portalling on the receiving chamber 43 on lower casing and thrusts human body skin.When needing
When wanting loading, the piston that in medicine-storing tube, accompanying drawing is not shown is promoted by the driver element of portable infusion device, by injecting
Device injects the medicinal fluid of medicine-storing tube 10 and flow back into three by the hole 61 on medicine-storing tube in the hole in silica gel keys 102 in Fig. 6 and Fig. 2
Cavity body 10, then flow into U-shaped pin inner chamber by the U-shaped pin short end 51 puncturing silica gel keys 103, finally by through as shown in Figure 7b
Lower casing on perforate accommodate chamber 43 the long end of U-shaped pin 52 enter human body.
As it is shown in fig. 7, in terms of visual angle, side, the cylinder 41 that lower casing 4 is cased with spring 42 is positioned at U-shaped when upper lower casing is connected
Between pin short end 51 and long end 52, for when needle stand 2 is depressed in needle stand holding tank 11, sliding as shown in Figure 5 and Figure 6
Needle stand 2 is released under coordinating from needle stand holding tank 11 by dynamic button 3.
Fig. 8 provides another visual angle that the U-shaped pin on needle stand 2 and needle stand 2 coordinates with upper lower casing.As shown in Figure 8 a, pin
Be additionally provided with on the multiple chamber guide pillar 22 of seat 2 breach 221 and and another circumferential notch 222, breach 221 is for allowing as shown in Figure 5
Slidably the miniature snap fit 31 of button 3 skids off so that needle stand 2 accommodates chamber from needle stand rebounds from chamber 24, circumferential notch 222 with
A kind of needle stand protective cover coordinates, and is detailed below.And as shown in Figure 8 a, multiple chamber guide pillar 22 is being additionally provided with a flange at chamber 23
223, make needle stand 2 when being in initial position as shown in Figure 8 b, be unlikely to complete from upper casing for being stuck on upper casing by multiple chamber guide pillar 22
Full abjection.In needle stand 2 is depressed in needle stand holding tank and the long end of U-shaped pin 52 passes lower casing, slidably button 3 as shown in Figure 8 c
Miniature snap fit 31 stick into chamber on multiple chamber guide pillar 22 24 in needle stand 2 is fixed on operating position, make the long end of U-shaped pin 52 be maintained at
Outside lower casing.Now, the spring 42 on lower casing upper guide post 41 is in compressive state as shown in Figure 7b.
With reference to Fig. 5, Fig. 7, Fig. 8, when U-shaped pin drawn back by needs, slidably button 3 of sliding, make miniature snap fit 31 alignment multiple
Breach 221 on chamber guide pillar 22, the most miniature snap fit 31 skids off from chamber 24, and multiple chamber guide pillar 22 is no longer blocked by miniature snap fit 31,
Spring 42 elastic force release on guide pillar 41, makes needle stand 2 be released needle stand holding tank by the guide pillar 41 on lower casing and returns to its initial position,
Within the long end of U-shaped pin 52 is then retracted lower casing.
With reference to Fig. 9, lower casing 4 is additionally provided with the air-vent 44 of three ventilations, within keeping infusion process middle shell
Air pressure balance.
With reference to Figure 10 and Fig. 8, provide the embodiment of a needle stand protective cover of the present invention.As shown in Figure 10 a, needle stand protective cover
7 are provided with a snib 71.Upper casing 1 as shown in Fig. 8 b and 8c has a hole 12, has a circle to lack the most again on chamber guide pillar 22
Mouth 222, when needle stand 2 is in original state, this holes overlaps.In snib 71 inserts this holes, needle stand protective cover 7 is stuck in needle stand 2
And between the needle stand holding tank 11 of upper casing 1, as shown in fig. lob, so make needle stand 2 be fixed on its initial position, will not be by not
Press rightly.
With reference to Figure 11,7 and 8, provide the embodiment of an another kind needle stand protective cover of the present invention.As shown in fig. 11a, needle stand
Protective cover 8 includes a top shell 81, a drain pan 82 and two kellies 83.Top shell 81 covers edge on needle stand 2, and drain pan 82 blocks down
The portalling of the long end of U-shaped pin 52 on shell, two kellies 83 block upper casing 1.Before human body loading, generally should be first by infusion needle inner chamber
Air is discharged, and this process is referred to 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 drain pan 82 has blocked the outlet of the long end of U-shaped pin 52.Along with the action that needle stand 2 is slightly downward, as
U-shaped pin short end 51 shown in Fig. 8 punctures silica gel keys 103, then U-shaped pin inner space threeway cavity 10, makes medicinal fluid from three
Cavity body 10 is full of the whole interior intracavity of U-shaped pin.But owing to drain pan 82 has blocked the outlet of the long end of U-shaped pin 52, the long end of U-shaped pin 52 is also
Will not pass lower casing and thrust human body, this just completes full process before loading.
Although present disclosure is as above, but the present invention is not limited to this.Any those skilled in the art, without departing from this
In the spirit and scope of invention, all can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Limit in the range of standard.
Claims (15)
1. an infusion system for portable medication infusion device, including:
Upper casing containing a threeway cavity, it is characterised in that described threeway cavity can with syringe, medicine-storing tube and infusion needle even
Logical；
One lower casing that can combine with described upper casing；
One medicine-storing tube having a hole, described medicine-storing tube is arranged in upper casing；
A piece infusion needle.
The infusion system of portable medication infusion device the most according to claim 1, it is characterised in that
Described threeway cavity is elastic material component at three for connecting the parts of syringe, medicine-storing tube and infusion needle.
The infusion system of portable medication infusion device the most according to claim 2, it is characterised in that
Described threeway cavity has through hole for connecting on the elastic material component of medicine-storing tube, be connected with the through hole on medicine-storing tube.
The infusion system of portable medication infusion device the most according to claim 1, it is characterised in that
Described infusion needle is U-shaped hollow needle.
The infusion system of portable medication infusion device the most according to claim 4, it is characterised in that
Described U-shaped hollow needle is arranged on a needle stand, and described needle stand is movably mounted in the needle stand holding tank on described upper casing.
The infusion system of portable medication infusion device the most according to claim 5, it is characterised in that
The two ends of described U-shaped hollow needle are different in size；
Short one end punctures elastic material component and is connected with described threeway cavity, the medicinal fluid in enabling threeway cavity
Enter U-shaped hollow needle inner chamber；
Long one end may pass through described upper casing and lower casing thrusts human body skin, makes medicinal fluid pass through U-shaped hollow needle input human body
In.
The infusion system of portable medication infusion device the most according to claim 5, it is characterised in that
Described needle stand includes solid pin guide pillar, for the described long end of U-shaped hollow needle is fixed on needle stand；Also include answering containing flange
Chamber guide pillar；
Having two to accommodate chamber on the needle stand holding tank of described upper casing, wherein a cylindricality receiving chamber is used for accommodating described solid pin guide pillar；
Another accommodates chamber and is used for accommodating described multiple chamber guide pillar, and coordinates with the flange on the guide pillar of described multiple chamber and avoid described needle stand from upper casing
On completely disengage from.
The infusion system of portable medication infusion device the most according to claim 7, it is characterised in that
A slidably button with miniature snap fit it is additionally provided with, described in the described releasable combination of miniature snap fit on described upper casing
Multiple chamber guide pillar, for controlling the position of needle stand.
The infusion system of portable medication infusion device the most according to claim 1, it is characterised in that
Be additionally provided with a guide pillar on described lower casing and one can hold the perforate that infusion needle passes and accommodate chamber.
The infusion system of the portable medication infusion device described in 9 the most according to Claim 8, it is characterised in that
It is cased with a spring on the guide pillar of described lower casing, with slidably button synergism, is used for bullet after described needle stand is pressed
Returning described needle stand makes infusion needle wear back in lower casing.
11. according to the infusion system of the portable medication infusion device described in claim 79, it is characterised in that
Described multiple chamber guide pillar includes two cavitys；
Wherein a chamber is for accommodating the guide pillar being cased with spring described on lower casing, multiple chamber guide pillar is provided with a flange near this chamber, uses
Described needle stand is made not completely disengage from from upper casing in described multiple chamber guide pillar is blocked upper casing；
Another chamber, for coordinating the miniature snap fit on slidably button, described multiple chamber guide pillar is additionally provided with a breach, and this breach can
Hold described miniature snap fit and deviate from this chamber.
The infusion system of 12. portable medication infusion devices according to claim 7, it is characterised in that
Also include a needle stand protective cover being installed on removably on needle stand, which is provided with a snib；
It is respectively provided with an aperture coordinated with described snib on the multiple chamber guide pillar of described shell and described needle stand；
Original state holes overlaps and snib inserts in holes, is used for preventing described needle stand from being pressed so that infusion needle irrelevantly
Pass lower casing.
13. according to the infusion system of the portable medication infusion device described in claim 7 and 9, it is characterised in that
Also include the needle stand protective cover of a upper lower casing combined described in being installed on removably；
Described needle stand protective cover upper lid is located at needle stand upper surface, and lower cover sets residence and states the outlet of infusion needle on lower casing, prevents
Infusion needle passes lower casing.
The infusion system of 14. portable medication infusion devices according to claim 2, it is characterised in that
Described elastic material component is silica gel keys.
The infusion system of 15. portable medication infusion devices according to claim 1, it is characterised in that
The micropore of ventilation is also had on described lower casing.
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| 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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| 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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| CN106110445A true CN106110445A (en) | 2016-11-16 |
| CN106110445B CN106110445B (en) | 2019-12-03 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112237659A (en) * | 2019-07-19 | 2021-01-19 | 上海移宇科技股份有限公司 | Miniature full-closed-loop artificial pancreas system |
| CN112237660A (en) * | 2019-07-19 | 2021-01-19 | 上海移宇科技股份有限公司 | Single-side driving drug infusion device |
| WO2021135359A1 (en) * | 2019-05-17 | 2021-07-08 | Medtrum Technologies Inc. | Unilateral-driven patch-type drug infusion device |
| WO2021135293A1 (en) * | 2019-08-01 | 2021-07-08 | Medtrum Technologies Inc. | Unilateral-driven closed-loop artificial pancreas |
| CN113117184A (en) * | 2019-12-31 | 2021-07-16 | 上海移宇科技股份有限公司 | Unilateral driving patch type drug infusion device |
| CN113663176A (en) * | 2019-05-17 | 2021-11-19 | 上海移宇科技股份有限公司 | Bilateral drive patch type drug infusion device |
| CN114146253A (en) * | 2020-09-08 | 2022-03-08 | 上海移宇科技股份有限公司 | Infusion needle structure of medicine infusion device |
| WO2022148048A1 (en) * | 2021-01-05 | 2022-07-14 | Medtrum Technologies Inc. | Skin patch drug infusion device |
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