CN209405398U - Vacuum injector for NK cell - Google Patents
Vacuum injector for NK cell Download PDFInfo
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- CN209405398U CN209405398U CN201821109855.8U CN201821109855U CN209405398U CN 209405398 U CN209405398 U CN 209405398U CN 201821109855 U CN201821109855 U CN 201821109855U CN 209405398 U CN209405398 U CN 209405398U
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- syringe
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- inner cylinder
- outer cylinder
- needle
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Abstract
The utility model discloses a kind of vacuum injectors for NK cell, including syringe outer cylinder and syringe inner cylinder, the middle part of the syringe outer cylinder is to be open to the upper and lower ends of contract and syringe outer cylinder, two parts up and down of the syringe outer cylinder do not form epicoele, cavity of resorption, the bottom right side of the cavity of resorption is connected with negative pressure mouth, the syringe inner cylinder is arranged in syringe outer cylinder, the top of the syringe inner cylinder is located in epicoele and lower part is located in cavity of resorption, the inside of the syringe inner cylinder is equipped with cavity, the bottom of the syringe inner cylinder is communicated with needle connector, the bottom end of the needle connector is connected with multiple injection needles being arranged in array and injection needle is connected with needle connector.The utility model is easy to use, can buffer in injection, carry out injection needle steadily in skin histology, make patient comfort's injecting uniformly conducive to NK cell while promotion, can preferably act on.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of vacuum injectors for NK cell.
Background technique
Natural killer cells (NK cell) treatment is a kind of cell therapy of non-characteristic, and clinical research shows the antitumor tool of NK
There is certain curative effect.Allosome NK cell therapy is mainly used for leukemia treating at present, and efficacy and saferry has obtained clinical certain
Certainly.However, there is no one kind that NK cell can be uniformly injected to the intracorporal device of people at present.
Through retrieving, Chinese patent grant number CN203494006U discloses a kind of stem cell vacuum injector, including injection
Device outer wall, syringe inner wall, needle connector and several syringe needles, one end of syringe needle are fixedly connected on syringe needle company
One end of device is connect, and is connected to needle connector；Syringe outer wall is equipped with negative port close to syringe needle side；Syringe
Inner wall and needle connector constitute stem cell reservoir compartment；Syringe outer wall and syringe inner wall constitute negative pressure cavity.
Existing vacuum injector has the following disadvantages: entering skin histology, the subcutaneous fat group of human body in syringe needle
Knit, in underlying muscle tissue when, without buffer gear, so that the feeling of pain of patient is larger, there is a situation where unstable, leads
It causes injection needle generation is micro- to incline, is unfavorable for the injection of NK cell.
Utility model content
The purpose of this utility model is to provide a kind of vacuum injector for NK cell, have easy to use, is infusing
It can be buffered when penetrating, carry out injection needle steadily in skin histology, NK cell is conducive to while promoting patient comfort
The advantages of injecting uniformly, can preferably act on, solving existing apparatus does not have buffer gear, so that the pain of patient
Feel larger, there is a situation where the problem of unstable, to be unfavorable for NK cell infusion.
According to a kind of vacuum injector for NK cell of the utility model embodiment, including syringe outer cylinder and injection
Device inner cylinder, the middle part of the syringe outer cylinder are to be open to the upper and lower ends of contract and syringe outer cylinder, the syringe
Two parts up and down of outer cylinder do not form epicoele, cavity of resorption, and the bottom right side of the cavity of resorption is connected with negative pressure mouth, the syringe inner cylinder
It is arranged in syringe outer cylinder, the top of the syringe inner cylinder is located in epicoele and lower part is located in cavity of resorption, the syringe
The inside of inner cylinder is equipped with cavity, and the bottom of the syringe inner cylinder is communicated with needle connector, the bottom end of the needle connector
It is connected with multiple injection needles being arranged in array and injection needle is connected with needle connector, the needle connector
Side wall is fixed, and there are four sliding blocks, and the one end of the sliding block far from needle connector is in curved arc shape and protrudes into cavity of resorption side wall
In sliding slot, the top two sides of the needle connector are fixedly connected to spring, and the top of the spring is connected with connecting plate,
The connecting plate is separately fixed at the left and right sides of cavity of resorption roof.
Further, the middle part size of the syringe inner cylinder matches with the middle part size of syringe outer cylinder.
Further, four sliding blocks are symmetrical set about the center of needle connector.
Further, the quantity of the injection needle is 4-10, and the internal diameter of the injection needle is 0.08-1.00mm.
Further, the two sides at the top of the syringe inner cylinder are fixedly connected to inserting column, the left and right of the epicoele bottom wall
Two sides are respectively and fixedly provided with inserted block, and two inserted blocks are right against the lower section of inserting column.
Further, it is equipped with the slot to match with inserting column in the inserted block, is equipped on the bottom wall of the slot slow
Punching pad.
Further, the bottom of the syringe outer cylinder is fixed with rubber ring.
The utility model has the beneficial effect that compared with prior art
1, skin can be made to pick up slightly upwards by negative pressure, under the action of needle connector and injection needle, simultaneously
Under cooperation by sliding block and sliding slot, spring and connecting plate, inserting column and slot, injection needle steady operation can be made, NK is thin
Born of the same parents are equably injected in the skin histology of human body, and NK cell is fully acted on；
2, comfort when rubber pad can be such that syringe outer cylinder contacts with human skin is more preferable, has good buffering
Property, the feeling of pain for making injection needle be pierced into skin reduces.
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 vacuum injector for NK cell structural schematic diagram；
Fig. 2 be the utility model proposes a kind of vacuum injector for NK cell needle connector and lower cavity wall
Connection schematic diagram.
In figure: 1- syringe outer cylinder, 2- syringe inner cylinder, 3- epicoele, 4- cavity of resorption, 5- cavity, 6- needle connector, 7- note
Penetrate syringe needle, 8- sliding block, 9- sliding slot, 10- negative pressure mouth, 11- rubber ring, 12- spring, 13- connecting plate, 14- inserting column, 15- inserted block,
16- slot.
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 vacuum injector for NK cell, including syringe outer cylinder 1 and syringe inner cylinder 2, note
The middle part of emitter outer cylinder 1 is to be open to the upper and lower ends of contract and syringe outer cylinder 1, and two up and down of syringe outer cylinder 1
It is respectively formed epicoele 3, cavity of resorption 4, the bottom right side of cavity of resorption 4 is connected with negative pressure mouth 10, for connecting with external negative pressure equipment, under making
Chamber 4 formed negative pressure cavity, syringe inner cylinder 2 be arranged in syringe outer cylinder 1, the top of syringe inner cylinder 2 be located in epicoele 3 and under
Portion is located in cavity of resorption 4, and the inside of syringe inner cylinder 2 is equipped with cavity 5, for storing the biomaterial containing NK cell, syringe
The bottom of inner cylinder 2 is communicated with needle connector 6, and the bottom end of needle connector 6 is connected with multiple injection needles 7 in array setting
And injection needle 7 is connected with needle connector 6, the side wall of needle connector 6 is fixed, and there are four sliding blocks 8, and sliding block 8 is far from needle
One end of head connector 6 is in curved arc shape and protrudes into the sliding slot 9 in 4 side wall of cavity of resorption, is pierced into the mistake of skin in injection needle 7
Cheng Zhong, sliding block 8 can slide in sliding slot 9, and injection needle 7 is enable to work more stablely, the top two sides of needle connector 6
It is fixedly connected to spring 12, the top of spring 12 is connected with connecting plate 13, and connecting plate 3 is separately fixed at 4 roof of cavity of resorption
The left and right sides can play the role of buffering by spring 12.
The middle part size of syringe inner cylinder 2 matches with the middle part size of syringe outer cylinder 1；Four sliding blocks 8 are about syringe needle
The center of connector 6 is symmetrical set, and makes uniform force；The quantity of injection needle 7 is 4-10, and the internal diameter of injection needle 7 is
0.08-1.00mm, length 10-15mm；The two sides at 2 top of syringe inner cylinder are fixedly connected to inserting column 14,3 bottom wall of epicoele
The left and right sides is respectively and fixedly provided with inserted block 15, and two inserted blocks 15 are right against the lower section of inserting column 14, is equipped in inserted block 15 and inserting column 14
The slot 16 to match is equipped with cushion on the bottom wall of slot 16, and when completing injection, inserting column 14 can enter in inserted block 15
In slot 16, by the effect of cushion, buffer function can be played；The bottom of syringe outer cylinder 2 is fixed with rubber ring 11, with
Skin contact keeps the patient feels more comfortable.
In use, preparing the biomaterial containing NK cell into the cavity 5 of syringe inner cylinder 2, and will be injected
The skin in region carries out cleaning and sterilizing；Negative pressure mouth 10 is set to connect commercially available common negative pressure pump, as Xiamen section border precision equipment is limited
The KPV08 series of company's production, pressure adjustable adjusting range is 1kpa-100kpa, is then placed in the bottom of syringe outer cylinder 1
Above skin, skin can be picked up slightly under the action of negative pressure, it will according to injection density, injection depth required for medical treatment
Injection needle 7 is pierced into skin, this process is with the movement of injection needle 7, and sliding block 8 is understood move down in sliding slot 9, and spring 12 is drawn
It stretches, inserting column 14 enters in the slot 16 of inserted block 15, and injection needle 7 is enable steadily to be pierced into skin, is not in that shaking is micro-
Incline；After injection needle 7 is pierced into, this process medical worker presses always, according to scheduled injection measurement, by NK cell infusion to skin
In skin skin corium or hypodermis layer；After injection, vacuum suction is removed, and unclamp pressing, spring 12 recycles, injection needle
7 exit skin, so that the utility model is detached from skin histology, complete a cell infusion.
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 (7)
1. a kind of vacuum injector for NK cell, it is characterised in that: including syringe outer cylinder (1) and syringe inner cylinder (2),
The middle part of the syringe outer cylinder (1) is to be open to the upper and lower ends of contract and syringe outer cylinder (1), outside the syringe
Two parts up and down of cylinder (1) do not form epicoele (3), cavity of resorption (4), and the bottom right side of the cavity of resorption (4) is connected with negative pressure mouth (10),
The syringe inner cylinder (2) setting in syringe outer cylinder (1), the top of the syringe inner cylinder (2) be located at epicoele (3) it is interior and
Lower part is located in cavity of resorption (4), and the inside of the syringe inner cylinder (2) is equipped with cavity (5), the bottom of the syringe inner cylinder (2)
It is communicated with needle connector (6), the bottom end of the needle connector (6) is connected with multiple injection needles (7) in array setting
And injection needle (7) is connected with needle connector (6), the side wall of the needle connector (6) is fixed, and there are four sliding blocks
(8), the sliding block (8) is in curved arc shape and protrudes into the sliding slot in cavity of resorption (4) side wall far from the one end of needle connector (6)
(9) in, the top two sides of the needle connector (6) are fixedly connected to spring (12), the top of the spring (12) with
Connecting plate (13) is connected, and the connecting plate (13) is separately fixed at the left and right sides of cavity of resorption (4) roof.
2. a kind of vacuum injector for NK cell according to claim 1, it is characterised in that: the syringe inner cylinder
(2) middle part size and the middle part size of syringe outer cylinder (1) match.
3. a kind of vacuum injector for NK cell according to claim 1, it is characterised in that: four sliding blocks
(8) center about needle connector (6) is symmetrical set.
4. a kind of vacuum injector for NK cell according to claim 1, it is characterised in that: the injection needle
(7) quantity is 4-10, and the internal diameter of the injection needle (7) is 0.08-1.00mm.
5. a kind of vacuum injector for NK cell according to claim 1, it is characterised in that: the syringe inner cylinder
(2) two sides at the top of are fixedly connected to inserting column (14), are respectively and fixedly provided with inserted block (15) at left and right sides of epicoele (3) bottom wall,
Two inserted blocks (15) are right against the lower section of inserting column (14).
6. a kind of vacuum injector for NK cell according to claim 5, it is characterised in that: in the inserted block (15)
It is equipped with the slot (16) to match with inserting column (14), is equipped with cushion on the bottom wall of the slot (16).
7. a kind of vacuum injector for NK cell according to claim 1, it is characterised in that: the syringe outer cylinder
(1) bottom is fixed with rubber ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109855.8U CN209405398U (en) | 2018-07-12 | 2018-07-12 | Vacuum injector for NK cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109855.8U CN209405398U (en) | 2018-07-12 | 2018-07-12 | Vacuum injector for NK cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209405398U true CN209405398U (en) | 2019-09-20 |
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ID=67929848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821109855.8U Active CN209405398U (en) | 2018-07-12 | 2018-07-12 | Vacuum injector for NK cell |
Country Status (1)
| Country | Link |
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| CN (1) | CN209405398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214170A (en) * | 2021-12-01 | 2022-03-22 | 深圳中旭生物科技有限公司 | NK immune cell puncture extraction device and extraction method thereof |
-
2018
- 2018-07-12 CN CN201821109855.8U patent/CN209405398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214170A (en) * | 2021-12-01 | 2022-03-22 | 深圳中旭生物科技有限公司 | NK immune cell puncture extraction device and extraction method thereof |
| CN114214170B (en) * | 2021-12-01 | 2024-02-06 | 深圳中旭生物科技有限公司 | NK immunocyte puncture extraction device and extraction method thereof |
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