CN209405390U - Infusion pump for stem cell - Google Patents
Infusion pump for stem cell Download PDFInfo
- Publication number
- CN209405390U CN209405390U CN201821105881.3U CN201821105881U CN209405390U CN 209405390 U CN209405390 U CN 209405390U CN 201821105881 U CN201821105881 U CN 201821105881U CN 209405390 U CN209405390 U CN 209405390U
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- infusion
- outer housing
- infusion line
- reservoir
- connecting tube
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Abstract
The utility model discloses a kind of infusion pumps for stem cell, including outer housing, reservoir is equipped in the outer housing, the reservoir top is equipped with briquetting, briquetting top two sides are equipped with connecting rod, outer housing roof is run through on two connecting rod tops and end point is fixedly connected with pressing plate, and spring is arranged on the upside outer wall of two connecting rods, and two the spring tops, bottom ends are fixedly connected with pressing plate, outer housing respectively;The reservoir bottom end is communicated with the first infusion line through outer housing bottom wall, medicine-pouring port is equipped on the left of first infusion line, one way stop peturn valve is equipped on the outside of the medicine-pouring port, flow-stop valve on first infusion line is set on the right side of the one way stop peturn valve, is equipped with the control amount device being connected with the first infusion line on the right side of the flow-stop valve.The utility model structure is simple, easy to use, and control amount is convenient, can transfer out completely the medical fluid in reservoir, economize on resources.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of infusion pumps for stem cell.
Background technique
Stem cell is a kind of multipotential cell with the of self-replication capacity, and under certain condition, it can be divided into more
Kind of functioning cell, stem cell are a kind of inabundant differentiation, still immature cell, have and regenerate various histoorgans and human body
Potential function, medical field are known as " general-purpose cell ", find by clinical treatment, and the injection of stem cell is to many disease and postoperative
Recovery can play extremely beneficial effect, generally injected by infusion pump, however existing infusion pump control amount is inconvenient,
And medical fluid conveying is only driven by the retraction elastic force of reservoir, the medical fluid in reservoir can not be transferred out completely, therefore
A kind of infusion pump for stem cell is urgently designed, medical fluid can be conveyed completely, be economized on resources by control amount convenience simple to operation.
Through retrieving, Chinese patent Authorization Notice No. is that CN206167519U discloses a kind of dedicated infusion pump of stem cell, is wrapped
The internal protection shell for being cylindrical cavity structure and setting are included in the intracorporal reservoir of protective shell, the bottom of shell is protected to offer
The through-hole being connected to reservoir;Infusion line with protection shell bottom through-hole be connected to, on infusion line from nearly device for storing liquid end to
Remote device for storing liquid end is successively arranged medicine-pouring port, flow-stopping clip, volume control device and outer circle taper joint;Reservoir and infusion line
Inner wall is equipped with one layer of anion protective foil.
The existing dedicated infusion pump of stem cell has the following disadvantages: the device can not be to the liquid infusion in reservoir
Accurate control amount is carried out, only drives medical fluid to transport by the retraction elastic force of reservoir so that medical fluid can not transfer out completely, waste
Resource.
Utility model content
The purpose of this utility model is to provide a kind of infusion pump for stem cell, it is simple, easy to use to have a structure,
Control amount is convenient, and the advantages of can the medical fluid in reservoir being transferred out, be economized on resources completely, solving existing apparatus can not be right
Liquid infusion in reservoir carries out accurate control amount, only drives medical fluid to transport so that medical fluid can not by the retraction elastic force of reservoir
It transfers out completely, the problem of waste of resource.
According to a kind of infusion pump for stem cell of the utility model embodiment, including outer housing, in the outer housing
Equipped with reservoir, the reservoir top is equipped with briquetting, and briquetting top two sides are equipped with connecting rod, two connecting rods
Outer housing roof is run through on top and end point is fixedly connected with pressing plate, is arranged on the upside outer wall of two connecting rods
Spring, two the spring tops, bottom ends are fixedly connected with pressing plate, outer housing respectively;The reservoir bottom end, which is communicated with, to be run through
First infusion line of outer housing bottom wall, the first infusion line left side are equipped with medicine-pouring port, are equipped on the outside of the medicine-pouring port single
To check-valves, the flow-stop valve on the first infusion line is set on the right side of the one way stop peturn valve, is set on the right side of the flow-stop valve
There is the control amount device being connected with the first infusion line, the control amount device includes conical blocks, and the conical blocks setting is even
In adapter tube and the lateral wall of conical blocks and the inner wall of connecting tube offset, and are in " T " shape, the connecting tube bottom inside the connecting tube
End is connected with the first infusion line, and the conical blocks top is equipped with connecting column, and connecting tube side wall is run through in the connection top end
And be fixedly connected with knob, the sidewall thread connection of the connecting column and connecting tube, it is defeated that the connecting tube right end is communicated with second
Pipeline is infused, second infusion line bottom end is equipped with infusion end.
Further, the middle part outer wall of the connecting column is equipped with external screw thread, the side wall of the connecting tube be equipped with it is outer
The internal screw thread that screw thread matches.
Further, the outer housing top middle portion is equipped with support column, and the support top end is equipped with link.
Further, it is all covered on the inner wall of the reservoir, the first infusion line, connecting tube, the second infusion line
Anion protective layer.
Further, the junction of first infusion line and outer housing is equipped with rubber pad.
Further, the junction of the connecting column and connecting tube is equipped with gasket.
The utility model has the beneficial effect that compared with prior art
1, by the retraction elastic force of reservoir, the medical fluid in reservoir can be driven to be discharged from the second infusion line, work as medicine
Liquid gradually decreases, and moving down briquetting by extruding pressing plate, deformation occurs so that reservoir is pressurized, and promotes remaining medical fluid in reservoir
Continue to be discharged from the second infusion line, so that medical fluid be conveyed completely, will not remain in reservoir;Anion protective layer and dry
The effect that identical charges repel each other occurs for the negatively charged phospholipid bilayer of the basic structure of cell film, considerably reduces dry thin
Born of the same parents lose caused by adherent effect in infusion process as occurring;
2, make connecting column that conical blocks be driven to move up and down in connecting tube by rotating knob, change conical blocks lateral wall
At a distance from connection inside pipe wall, achieve the purpose that control medicinal liquid flow;One way stop peturn valve can prevent medical fluid when injection from flowing back;It should
Apparatus structure is simple, easy to use, and control amount is convenient, can transfer out completely the medical fluid in reservoir, economize on resources.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of infusion pump for stem cell structural schematic diagram;
Fig. 2 be the utility model proposes a kind of infusion pump for stem cell control amount apparatus structure schematic diagram.
In figure: 1- outer housing, 2- reservoir, 3- rubber pad, 4- one way stop peturn valve, 5- flow-stop valve, the first infusion line of 6-,
7- control amount device, 8- output end, 9- connecting rod, 10- spring, 11- pressing plate, 12- support column, 13- link, 14- conical blocks, 15-
Gasket, 16- knob, 17- connecting column, 18- briquetting, 19- connecting tube, the second infusion line of 20-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-2, a kind of infusion pump for stem cell, including outer housing 1, outer housing 1 is interior to be equipped with reservoir 2, storage
Liquid capsule 2 is made of silicon rubber, has good retraction elasticity, 2 top of reservoir is equipped with briquetting 18, defeated for compressing reservoir 2
Dead space capacity is sent, 18 top two sides of briquetting are equipped with connecting rod 9, and 1 roof of outer housing and end are run through in two 9 tops of connecting rod
Head at be fixedly connected with pressing plate 11, be arranged with spring 10 on the upside outer wall of two connecting rods 9, have reset function, two
10 top of spring, bottom end are fixedly connected with pressing plate 11, outer housing 1 respectively;2 bottom end of reservoir is communicated with through 1 bottom wall of outer housing
The first infusion line 6, medicine-pouring port is equipped on the left of the first infusion line 6, is equipped with one way stop peturn valve 4 on the outside of medicine-pouring port, it is unidirectional only
The flow-stop valve 5 being arranged on the first infusion line 6 on the right side of valve 4 is returned, is equipped with and 6 phase of the first infusion line on the right side of flow-stop valve 5
The control amount device 7 of connection controls the flow and rate of medical fluid, and control amount device 7 includes conical blocks 14, and the setting of conical blocks 14 is even
In adapter tube 19 and the lateral wall of conical blocks 14 and the inner wall of connecting tube 19 offset, and are in " T " shape, connecting tube 19 inside connecting tube 19
Bottom end is connected with the first infusion line 6, and 14 top of conical blocks is equipped with connecting column 17, and connecting tube 19 is run through on 17 top of connecting column
Side wall is simultaneously fixedly connected with knob 16, and connecting column 17 is connect with the sidewall thread of connecting tube 19, and 19 right end of connecting tube is communicated with
Two infusion lines, 20 bottom end of the second infusion line are equipped with infusion end 8.
The middle part outer wall of connecting column 17 is equipped with external screw thread, and the side wall of the first infusion line 6 is equipped with and external screw thread phase
The internal screw thread matched;1 top middle portion of outer housing is equipped with support column 12, and 12 top of support column is equipped with link 13, so that outer housing 1 is convenient for
Suspension;Reservoir 2, the first infusion line 6, connecting tube 19, the second infusion line 20 inner wall on be all covered with anion protection
With the negatively charged phospholipid bilayer of the basic structure of stem cells film the effect that identical charges repel each other can occur for layer, greatly
Ground reduces stem cell in infusion process since loss caused by adherent effect occurs;First infusion line 6 and outer housing 1
Junction is equipped with rubber pad 3;The junction of connecting column 17 and connecting tube 19 is equipped with gasket 15, reinforces sealing performance.
In use, being hung on outer housing 1 on wall by link 13, the material of reservoir 2 is silicon rubber, is had good
Elasticity, medical fluid is injected after reservoir 2 expands it by medicine-pouring port, infusion end 8 is connected with pipeline to be entered, opening
Flow-stop valve 5 carries out medical fluid conveying by the retraction elastic force of reservoir 2, changes the position of conical blocks 14 by rotation knob 16, make
Conical blocks 14 stretch to the bottom of the connecting tube 19 of T-type shape, and flow and rate of the regulating liquid medicine in connecting tube 19 meet not
Same infusion requirement, when 2 medical fluid of reservoir is less, bouncing back, elastic force is smaller to drive medical fluid to convey completely, press pressing plate 11
So that briquetting 18 moves down compression reservoir 2, remaining medical fluid is transferred out completely, pressing plate 11 is then unclamped, in spring 9
Elastic force effect is lower to restore to the original state, and completes the conveying of medical fluid.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of infusion pump for stem cell, it is characterised in that: including outer housing (1), liquid storage is equipped in the outer housing (1)
Capsule (2), reservoir (2) top are equipped with briquetting (18), and briquetting (18) the top two sides are equipped with connecting rod (9), and two
Outer housing (1) roof is run through on connecting rod (9) top and end point is fixedly connected with pressing plate (11), two connecting rods
(9) be arranged on upside outer wall spring (10), two spring (10) tops, bottom ends respectively with pressing plate (11), shell
Body (1) is fixedly connected;Reservoir (2) bottom end is communicated with the first infusion line (6) through outer housing (1) bottom wall, described
It is equipped with medicine-pouring port on the left of first infusion line (6), is equipped with one way stop peturn valve (4) on the outside of the medicine-pouring port, the one way stop peturn valve
(4) right side is equipped with the flow-stop valve (5) being arranged on the first infusion line (6), is equipped on the right side of the flow-stop valve (5) and the first infusion
The control amount device (7) that pipeline (6) is connected, the control amount device (7) include conical blocks (14), and conical blocks (14) setting exists
In connecting tube (19) and the lateral wall of conical blocks (14) and the inner wall of connecting tube (19) offset, and are in inside the connecting tube (19)
" T " shape, connecting tube (19) bottom end are connected with the first infusion line (6), and conical blocks (14) top is equipped with connection
Column (17), connecting column (17) top is through connecting tube (19) side wall and is fixedly connected with knob (16), the connecting column
(17) it being connect with the sidewall thread of connecting tube (19), connecting tube (19) right end is communicated with the second infusion line, and described second
Infusion line (20) bottom end is equipped with infusion end (8).
2. a kind of infusion pump for stem cell according to claim 1, it is characterised in that: in the connecting column (17)
Portion's outer wall is equipped with external screw thread, and the side wall of the connecting tube (19) is equipped with the internal screw thread to match with external screw thread.
3. a kind of infusion pump for stem cell according to claim 1, it is characterised in that: outer housing (1) top
Middle part is equipped with support column (12), and support column (12) top is equipped with link (13).
4. a kind of infusion pump for stem cell according to claim 1, it is characterised in that: the reservoir (2), first
Infusion line (6), connecting tube (19), the second infusion line (20) inner wall on be all covered with anion protective layer.
5. a kind of infusion pump for stem cell according to claim 1, it is characterised in that: first infusion line
(6) rubber pad (3) are equipped with the junction of outer housing (1).
6. a kind of infusion pump for stem cell according to claim 1, it is characterised in that: the connecting column (17) and company
The junction for taking over (19) is equipped with gasket (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821105881.3U CN209405390U (en) | 2018-07-12 | 2018-07-12 | Infusion pump for stem cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821105881.3U CN209405390U (en) | 2018-07-12 | 2018-07-12 | Infusion pump for stem cell |
Publications (1)
Publication Number | Publication Date |
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CN209405390U true CN209405390U (en) | 2019-09-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821105881.3U Active CN209405390U (en) | 2018-07-12 | 2018-07-12 | Infusion pump for stem cell |
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CN (1) | CN209405390U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112169066A (en) * | 2020-10-29 | 2021-01-05 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with controller |
-
2018
- 2018-07-12 CN CN201821105881.3U patent/CN209405390U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112169066A (en) * | 2020-10-29 | 2021-01-05 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with controller |
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