CN210301735U - Combined syringe - Google Patents
Combined syringe Download PDFInfo
- Publication number
- CN210301735U CN210301735U CN201821914507.8U CN201821914507U CN210301735U CN 210301735 U CN210301735 U CN 210301735U CN 201821914507 U CN201821914507 U CN 201821914507U CN 210301735 U CN210301735 U CN 210301735U
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- CN
- China
- Prior art keywords
- piston
- cavity
- injection tube
- movable plate
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000003814 drug Substances 0.000 claims description 30
- 239000012528 membrane Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model is suitable for the technical field of medical equipment, and provides a combined injection, which comprises a first injection tube, a first piston, a movable plate, a second injection tube, a second piston, a conduit, a long handle pin, a push rod and a cap; the second piston is located inside the second injection tube and fixedly connected with the push rod, the first piston is located inside the first injection tube and fixedly connected with one side of the movable plate, the bottom of the second injection tube is fixedly connected with the other side of the movable plate, the guide tube penetrates through the movable plate and the first piston, two ends of the guide tube are respectively located in the first cavity and the second cavity, a tearable film is arranged in the guide tube, corresponding through holes are formed in the first piston and the movable plate to enable the first cavity to be conducted with the outside, the end part of the long handle pin is inserted into the through hole in the movable plate, and the cap is installed on a liquid outlet of the first. The device solves the problems of complicated operation steps and time waste of powder-liquid mixed dispensing.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, especially, relate to a combined type syringe.
Background
The medicine is various in types, some medicines are directly used in the form of liquid medicine, and some medicines are used in the form of powder-liquid mixing, the liquid medicine is generally pumped into the medicine powder after the liquid medicine is pumped by a syringe, and the mixed liquid of the powder and the liquid is pumped from the mixed liquid after the powder and the liquid are mixed, so that the operation steps are complicated, and the time is wasted.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a combined injector to solve the problem that the powder liquid mixes the operation procedure of dispensing loaded down with trivial details, waste time among the prior art.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a combined injector comprises a first injection cylinder, a first piston, a moving plate, a second injection cylinder, a second piston, a guide pipe, a long handle pin, a push rod and a cover cap;
the second piston is positioned in the second injection tube and is fixedly connected with the push rod, the first piston is positioned in the first injection tube and is fixedly connected with one side of the moving plate, the bottom of the second injection tube is fixedly connected with the other side of the moving plate, the second piston, the second injection tube and the moving plate form a second cavity for containing liquid medicine, the first piston and the first injection cylinder form a first cavity for containing medicinal powder, the guide tube penetrates through the moving plate and the first piston, two ends of the catheter are respectively positioned in the first cavity and the second cavity, a tearable membrane is arranged in the catheter, the first piston and the moving plate are provided with corresponding through holes to lead the first cavity to be communicated with the outside, the end part of the long handle pin is inserted into the through hole on the moving plate, and the cap is arranged on the liquid outlet of the first syringe.
Furthermore, the outer side of the first injection cylinder is provided with first grips which are symmetrically arranged, and the outer side of the second injection cylinder is provided with second grips which are symmetrically arranged.
Furthermore, the side face of the moving plate connected with the second injection cylinder is concave.
Further, the axis of the guide pipe is coincident with the axis of the liquid outlet of the first injection cylinder.
Furthermore, the long-handle pin comprises a pin head and a pin handle, the pin head is fixedly connected with one end of the pin handle, the pin head is fixed in the through hole, and the other end of the pin handle is positioned outside the first injection cylinder.
Furthermore, the pin handle is made of soft plastics.
Furthermore, the tearable membrane is circular in shape, a plurality of connecting regions which can be cracked under pressure are arranged on the tearable membrane, and the edge of the tearable membrane is fixedly connected with the end part or the inner wall of the catheter.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model designs a combined injector, during production, the liquid medicine with the regulated dosage is contained in the second cavity, the medicinal powder with the regulated dosage is contained in the first cavity, and the long handle pin is inserted into the through hole of the movable plate; during the use, extract the long handle round pin, promote the push rod and make the second piston downstream, the inside pressure increase of second cavity makes the membrane damage tear that can tear, liquid medicine in the second cavity gets into in the first cavity, mix with powder in the first cavity, treat liquid medicine and powder intensive mixing back, take off the block, install the syringe needle on the liquid outlet of first injection tube, promote the push rod, drive the second injection tube, movable plate and first piston downstream together, make the liquid medicine in the first cavity pass through the syringe needle and pour into the receptor internal. The combined injector can mix the medicinal powder and the liquid medicine by utilizing the combined injector, and injects a receptor, thereby simplifying the operation steps, shortening the dispensing time and improving the efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a combination injector provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a combination injector according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a tearable membrane provided by an embodiment of the present invention.
In the figure: 1. a first syringe; 2. a first piston; 3. a second injection tube; 4. a second piston; 5. moving the plate; 6. a push rod; 7. a conduit; 8. a long handle pin; 9. capping; 10. a through hole; 11. a first grip; 12. a second grip; 13. a first support bar; 14. a second support bar.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
As shown in fig. 1, which is a schematic structural diagram of a combination injector provided in an embodiment of the present invention, the combination injector includes a first syringe 1, a first piston 2, a moving plate 5, a second syringe 3, a second piston 4, a conduit 7, a long handle pin 8, a push rod 6, and a cap 9; the second piston 4 is located inside the second injection tube 3 and fixedly connected with the push rod 6, the first piston 2 is located inside the first injection tube 1 and fixedly connected with one side of the moving plate 5, the bottom of the second injection tube 3 is fixedly connected with the other side of the moving plate 5, the second piston 4, the second injection tube 3 and the moving plate 5 form a second cavity for containing liquid medicine, the first piston 2 and the first injection tube 1 form a first cavity for containing medicinal powder, the guide tube 7 penetrates through the moving plate 5 and the first piston 2, two ends of the guide tube 7 are respectively located in the first cavity and the second cavity, a tearable film is arranged in the guide tube 7, corresponding through holes 10 are formed in the first piston 2 and the moving plate 5 to enable the first cavity to be communicated with the outside, the end part of the long handle pin 8 is inserted into the through hole 10 in the moving plate 5, and the cap 9 is installed on.
During production, a prescribed dose of liquid medicine is contained in the second cavity, a prescribed dose of powder medicine is contained in the first cavity, and the long handle pin 8 is inserted into the through hole 10 of the moving plate 5. During the use, extract long handle round pin 8, promote push rod 6 and make second piston 4 downstream, the inside pressure increase of second cavity, the messenger can tear the membrane damage and tear, liquid medicine in the second cavity gets into in the first cavity, mix with powder in the first cavity, treat liquid medicine and powder intensive mixing back, take off block 9, install the syringe needle on the liquid outlet of first syringe 1, promote push rod 6, drive second syringe 3, movable plate 5 and first piston 2 downstream together, make the liquid medicine in the first cavity pass through the syringe needle and pour into the receptor in vivo. The combined injector can mix the medicinal powder and the liquid medicine by utilizing the combined injector, and injects a receptor, thereby simplifying the operation steps, shortening the dispensing time and improving the efficiency.
In one embodiment of the present invention, the outer side of the first injection tube 1 is provided with a first handle 11 symmetrically installed, and the outer side of the second injection tube 3 is provided with a second handle 12 symmetrically installed.
When dispensing before injection, the second handle 12 is held, the push rod 6 is pushed to drive the second piston 4 to move downwards, so that liquid medicine in the second cavity enters the first cavity, and due to the design of the through holes 10 on the second piston 4 and the moving plate 5, the first injection tube 1 and the second injection tube 3 cannot generate relative displacement; when a receptor is injected, the first grip 11 is held, the push rod 6 is pushed, the second injection cylinder 3, the moving plate 5 and the first piston 2 move downwards together, and the mixed liquid medicine in the first cavity is injected into the receptor through the needle head to finish injection.
In one embodiment of the present invention, the side of the movable plate 5 connected to the second syringe 3 is concave. The side surface of the moving plate 5 is concave, so that when dispensing is carried out, the liquid medicine in the second cavity can be ensured to completely enter the first cavity.
In one embodiment of the present invention, the axis of the guide tube 7 coincides with the axis of the liquid outlet of the first syringe 1. The design can ensure that the liquid medicine in the second cavity completely enters the first cavity.
In one embodiment of the present invention, the long handle pin 8 includes a pin head and a pin handle, the pin head is fixedly connected to one end of the pin handle, the pin head is fixed in the through hole 10, and the other end of the pin handle is located outside the first injection tube 1.
When the syringe does not use, during the round pin head inserts through-hole 10, guarantee the good leakproofness of second cavity, guarantee the powder in the first cavity can be stable preservation for a long time, during the use, extract round pin head from through-hole 10 through the pulling round pin handle, make first cavity and external can carry out the circulation of air, guarantee that the liquid medicine in the second cavity can flow into in the first cavity smoothly, in order to guarantee that the mixed liquid medicine in the first cavity does not flow to the external world, the diameter of through-hole 10 is 1 millimeter to 5 millimeters.
In one embodiment of the present invention, the pin handle is made of soft plastic. The design can ensure that the pin handle can be bent at will, and the pin handle is convenient for driving the pin head to pull out the through hole 10 when in use.
As shown in fig. 2, for the structural schematic diagram of the combined injector provided by another embodiment of the present invention, the combined injector further includes a first supporting rod 13 and a second supporting rod 14 installed symmetrically, one end of the first supporting rod 13 and one end of the second supporting rod 14 are both fixed on the second injection tube 3, and the other end of the first supporting rod 13 and the other end of the second supporting rod 14 are both fixed at the end of the pushing rod 6.
When the injector is not used, the second piston 4 can not move in the second injection cylinder 3 through the push rod 6 due to the action of the first support rod 13 and the second support rod 14; when in use, the first support rod 13 and the second support rod 14 are removed, and normal dispensing operation is carried out. The design of the first support rod 13 and the second support rod 14 can prevent the liquid medicine in the second cavity from entering the first cavity due to misoperation.
As shown in fig. 3, for the structural schematic diagram of the tearable membrane provided by the embodiment of the present invention, the tearable membrane is circular, the tearable membrane is provided with a plurality of connection areas which can be ruptured under pressure, and the edge of the tearable membrane is fixedly connected with the end portion or the inner wall of the conduit 7.
Before the syringe used, can tear the membrane and be complete, isolated first cavity and second cavity, in the liquid medicine in the second cavity can not flow into first cavity, when promoting push rod 6, the pressure increase in the second cavity, because the effect of pressure makes the joining region damage that can tear the membrane, first cavity and second cavity switch on this moment, and the liquid medicine in the second cavity can enter into in the first cavity.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (7)
1. A combined injector is characterized by comprising a first injection tube (1), a first piston (2), a moving plate (5), a second injection tube (3), a second piston (4), a guide tube (7), a long handle pin (8), a push rod (6) and a cover cap (9);
the second piston (4) is positioned inside the second injection tube (3) and fixedly connected with the push rod (6), the first piston (2) is positioned inside the first injection tube (1) and fixedly connected with one side of the movable plate (5), the bottom of the second injection tube (3) is fixedly connected with the other side of the movable plate (5), the second piston (4), the second injection tube (3) and the movable plate (5) form a second cavity for containing liquid medicine, the first piston (2) and the first injection tube (1) form a first cavity for containing medicinal powder, the guide tube (7) penetrates through the movable plate (5) and the first piston (2), two ends of the guide tube (7) are respectively positioned in the first cavity and the second cavity, a tearable membrane is arranged in the guide tube (7), and corresponding through holes (10) are formed in the first piston (2) and the movable plate (5) to enable the first cavity and the second cavity to be connected with the push rod (6) The exterior is conducted, the end part of the long handle pin (8) is inserted into a through hole (10) on the moving plate (5), and the cap (9) is installed on a liquid outlet of the first injection cylinder.
2. A unit injector according to claim 1, characterised in that the outside of the first syringe (1) is provided with a symmetrically mounted first grip (11) and the outside of the second syringe (3) is provided with a symmetrically mounted second grip (12).
3. A split syringe according to claim 1, wherein the side of the moving plate (5) to which the second barrel (3) is attached is concave.
4. A combination syringe according to claim 1, wherein the axis of the conduit (7) and the axis of the outlet port of the first barrel (1) coincide.
5. A split injector according to claim 1, characterised in that the long-handled pin (8) comprises a pin head and a pin handle, one end of which is fixedly connected, the pin head being fixed in the through hole (10), the other end of which is located outside the first syringe (1).
6. The combination injector of claim 5, wherein the pin handle is made of a soft plastic.
7. Combined injector according to claim 1, characterized in that the tearable membrane is circular in shape, that it is provided with several connecting areas which can be broken by pressure, and that the edge of the tearable membrane is fixedly connected to the end or the inner wall of the catheter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914507.8U CN210301735U (en) | 2018-11-20 | 2018-11-20 | Combined syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914507.8U CN210301735U (en) | 2018-11-20 | 2018-11-20 | Combined syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210301735U true CN210301735U (en) | 2020-04-14 |
Family
ID=70121333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914507.8U Expired - Fee Related CN210301735U (en) | 2018-11-20 | 2018-11-20 | Combined syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210301735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546349A (en) * | 2020-12-07 | 2021-03-26 | 四川大学华西医院 | Special syringe for FDG |
-
2018
- 2018-11-20 CN CN201821914507.8U patent/CN210301735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546349A (en) * | 2020-12-07 | 2021-03-26 | 四川大学华西医院 | Special syringe for FDG |
| CN112546349B (en) * | 2020-12-07 | 2022-07-15 | 四川大学华西医院 | FDG special syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |