CN213374428U - Prepare skin test syringe for liquid - Google Patents
Prepare skin test syringe for liquid Download PDFInfo
- Publication number
- CN213374428U CN213374428U CN202021835089.0U CN202021835089U CN213374428U CN 213374428 U CN213374428 U CN 213374428U CN 202021835089 U CN202021835089 U CN 202021835089U CN 213374428 U CN213374428 U CN 213374428U
- Authority
- CN
- China
- Prior art keywords
- syringe
- skin test
- test solution
- piston
- injector
- 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
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- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 239000012085 test solution Substances 0.000 claims abstract description 38
- 230000004888 barrier function Effects 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 10
- 229930182555 Penicillin Natural products 0.000 abstract description 8
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 abstract description 8
- 229940049954 penicillin Drugs 0.000 abstract description 8
- 229930186147 Cephalosporin Natural products 0.000 abstract description 7
- 229940124587 cephalosporin Drugs 0.000 abstract description 7
- 150000001780 cephalosporins Chemical class 0.000 abstract description 7
- 239000003814 drug Substances 0.000 description 4
- 206010013700 Drug hypersensitivity Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 201000005311 drug allergy Diseases 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an injector for preparing skin test solution, which comprises an injector cylinder and an injector push rod; the syringe push rod is arranged in the syringe barrel; the front end of the syringe barrel is provided with a liquid inlet; the front end of the injector push rod is provided with an injector piston; a separator is arranged between the liquid inlet of the syringe cylinder and the syringe piston. The utility model discloses a prepare skin test solution and no longer rely on the naked eye to assess the liquid volume simply with the syringe, reduce the skin test solution preparation error that causes because of external disturbance, improve the accuracy that clinical cephalosporin and penicillin skin test solution were prepared commonly used. The utility model discloses a prepare skin test solution and use syringe makes skin test solution prepare convenient and fast more, has effectively shortened the time of preparing skin test solution, has improved clinical work efficiency.
Description
Technical Field
The utility model relates to the technical field of medical care appliances, in particular to an injector for preparing skin test solution.
Background
The preparation of the cephalosporin and penicillin skin test solution is a common clinical operation technology, and in the preparation process of the cephalosporin and penicillin skin test solution, the concentration of the cephalosporin and penicillin skin test solution is calculated according to the specification/solvent amount of the medicament. Since the concentrations of the two kinds of drug skin test solutions are in units of mug, any inconspicuous small error in the preparation process can greatly reduce the accuracy of the final result.
The clinical work is busy, the skin test solution preparation process is fine and complex, once a formulator is disturbed by the outside world in the preparation process, the preparation error is very easy to be large, and therefore the accuracy of the skin test solution concentration and the final result of the drug allergy test are affected.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide an injector for preparing skin test solution, it can reduce because of the skin test solution preparation error that external disturbance caused, improves the accuracy that clinical cephalosporin and penicillin skin test solution were prepared commonly used.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a syringe for preparing skin test solution comprises a syringe barrel and a syringe push rod; the syringe push rod is arranged in the syringe barrel; the front end of the syringe barrel is provided with a liquid inlet; the front end of the injector push rod is provided with an injector piston; a separator is arranged between the liquid inlet of the syringe cylinder and the syringe piston.
According to the technical scheme, the diameter of the syringe piston is the same as the inner diameter of the syringe barrel.
According to the technical scheme, the barrier is sheet-shaped and is radially embedded in the syringe barrel; the middle part of the separator is provided with a liquid inlet hole.
According to the technical scheme, the blocking device is made of silica gel.
According to the technical scheme, the middle part of the separator is divided into a plurality of fan-shaped separator plates along the radial direction; the middle of the barrier is stressed, the tip of the fan-shaped barrier sheet moves along the stress direction, the barrier opens and stops stressing, the tip of the fan-shaped barrier sheet returns to the initial position, and the barrier is closed.
According to the technical scheme, the rear end of the syringe barrel is provided with the piston stopper.
According to the technical scheme, when the rear end face of the syringe piston contacts the piston stopper, the volume between the front end face of the syringe piston and the rear end face of the stopper is 0.9 ml.
According to the technical scheme, the volume between the front end face of the barrier and the liquid inlet of the syringe barrel is 0.1 ml.
According to the technical scheme, the number of the fan-shaped barrier pieces is 4.
According to the technical scheme, the clamping distance between the arc end of the fan-shaped blocking sheet and the inner wall of the syringe barrel is 0.7 mm.
According to the technical scheme, the inner diameter of the syringe barrel is 4.7 mm.
The utility model discloses following beneficial effect has:
1. the utility model discloses a prepare skin syringe for test solution simple structure, reasonable in design is fit for clinical use.
2. The utility model discloses a prepare skin test solution and no longer rely on the naked eye to assess the liquid volume simply with the syringe, reduce the skin test solution preparation error that causes because of external disturbance, improve the accuracy that clinical cephalosporin and penicillin skin test solution were prepared commonly used.
3. The utility model discloses a prepare skin test solution and use syringe makes skin test solution prepare convenient and fast more, has effectively shortened the time of preparing skin test solution, has improved clinical work efficiency.
Drawings
FIG. 1 is a schematic structural view of an injector for preparing skin test solution in an embodiment of the present invention;
FIG. 2 is a front view of the blocking device when the liquid inlet hole is closed in the embodiment of the present invention;
FIG. 3 is a front view of the blocking device when the liquid inlet hole is opened according to the embodiment of the present invention;
FIG. 4 is a side view of FIG. 3;
in the figure, a syringe barrel-1, a syringe push rod-2, a blocker-3, a syringe piston-4 and a piston blocker-5.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, the present invention provides an injector for preparing skin test solution, which comprises an injector barrel 1 and an injector push rod 2; the syringe push rod 2 is arranged in the syringe barrel 1; the front end of the syringe barrel 1 is provided with a liquid inlet; the front end of the injector push rod 2 is provided with an injector piston 4; a blocking device 3 is arranged between the liquid inlet of the syringe barrel 1 and the syringe piston 4.
Further, the diameter of the liquid inlet of the syringe barrel 1 is half of that of a conventional 1ml syringe.
Further, the diameter of the syringe piston 4 is the same size as the inner diameter of the syringe barrel 1.
Furthermore, the barrier 3 is sheet-shaped and is radially embedded in the syringe barrel 1; the middle part of the barrier 3 is provided with a liquid inlet hole.
Further, the material of the blocking device 3 is silica gel.
Further, the middle part of the barrier 3 is divided into a plurality of fan-shaped barrier sheets along the radial direction; the middle of the barrier device 3 is stressed, the tip of the fan-shaped barrier sheet moves along the stress direction, the liquid inlet hole is opened, the stress is stopped, the tip of the fan-shaped barrier sheet returns to the initial position, and the liquid inlet hole is closed.
Furthermore, the rear end of the syringe barrel 1 is provided with a piston stopper 5, the piston stopper 5 is annular, and the diameter of an inner hole is larger than that of the syringe push rod 2 and smaller than that of the syringe piston 4, so that the inner hole can allow the syringe push rod 2 to pass through, and the syringe piston 4 is stopped at the designated position of the syringe, thereby limiting the moving range of the syringe piston 4.
Further, when the rear end face of the syringe piston 4 contacts the piston stopper 5, the volume between the front end face of the syringe piston 4 and the rear end face of the stopper 3 is 0.9 ml.
Furthermore, the volume between the front end face of the blocker 3 and the liquid inlet of the syringe barrel 1 is 0.1 ml.
Furthermore, the number of the fan-shaped barrier pieces is 4.
Furthermore, the clamping distance between the arc end of the fan-shaped blocking sheet and the inner wall of the syringe barrel 1 is 0.7 mm.
Further, the inner diameter of the syringe barrel 1 is 4.7 mm.
Furthermore, the syringe barrel 1 is provided with scale marks.
The utility model discloses an in the embodiment, the utility model discloses a theory of operation: when the device is used, the needle head is installed at the liquid inlet of the syringe barrel 1, the needle head is inserted into the cephalons, the syringe piston 4 is used for sucking the liquid medicine to exceed 0.1ml, then the syringe piston 4 is pushed back to the front end face of the piston to be abutted against the blocking device 3, and 0.1ml of the residual cephalons in the syringe barrel 1 is accurately remained; and then inserting the needle head into the penicillin, sucking the liquid medicine by using the syringe piston 4 until the rear end face of the syringe piston 4 is abutted against the piston stopper 5, wherein the sucked penicillin is accurately 0.9ml and is mixed with 0.1ml of cephalosporin left in the syringe barrel 1 before suction, and the preparation process is finished. When in use, the needle is inserted into a blood vessel of a patient, the syringe piston 4 and the syringe piston 4 are extruded from back to front, and the prepared skin test solution is injected into the patient.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (10)
1. The syringe for preparing the skin test solution is characterized by comprising a syringe barrel (1) and a syringe push rod (2); the injector push rod (2) is arranged in the injector barrel (1); the front end of the syringe barrel (1) is provided with a liquid inlet; the front end of the injector push rod (2) is provided with an injector piston (4); a blocking device (3) is arranged between the liquid inlet of the syringe cylinder (1) and the syringe piston (4).
2. The syringe for preparing skin test solution according to claim 1, wherein the diameter of the syringe piston (4) is the same as the inner diameter of the syringe barrel (1).
3. The syringe for preparing skin test solution according to claim 2, wherein the barrier (3) is sheet-shaped and radially embedded in the syringe barrel (1); the middle part of the barrier (3) is provided with a liquid inlet hole.
4. The syringe for preparing skin test solution according to claim 3, wherein the material of the barrier (3) is silica gel.
5. The syringe for preparing skin test solution according to claim 4, wherein the middle part of the barrier (3) is divided into a plurality of fan-shaped barrier sheets along the radial direction; the middle of the blocking device (3) is stressed, the tip of the fan-shaped blocking piece moves along the stress direction, the liquid inlet hole is opened, the stress is stopped, the tip of the fan-shaped blocking piece returns to the initial position, and the liquid inlet hole is closed.
6. The syringe for preparing skin test solution according to claim 1, wherein the rear end of the syringe barrel (1) is provided with a piston stopper (5).
7. The syringe for preparing skin test solution according to claim 6, wherein when the rear end face of the syringe piston (4) contacts the piston stopper (5), the volume between the front end face of the syringe piston (4) and the rear end face of the stopper (3) is 0.9 ml.
8. The syringe for preparing skin test solution according to claim 7, wherein the volume between the front end face of the stopper (3) and the liquid inlet of the syringe barrel (1) is 0.1 ml.
9. The syringe for preparing skin test solution according to claim 5, wherein the number of the fan-shaped blocking sheets is 4.
10. The syringe for preparing skin test solution according to claim 9, wherein the distance between the circular arc end of the fan-shaped blocking sheet and the inner wall of the syringe barrel (1) is 0.7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835089.0U CN213374428U (en) | 2020-08-28 | 2020-08-28 | Prepare skin test syringe for liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835089.0U CN213374428U (en) | 2020-08-28 | 2020-08-28 | Prepare skin test syringe for liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213374428U true CN213374428U (en) | 2021-06-08 |
Family
ID=76211787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021835089.0U Expired - Fee Related CN213374428U (en) | 2020-08-28 | 2020-08-28 | Prepare skin test syringe for liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213374428U (en) |
-
2020
- 2020-08-28 CN CN202021835089.0U patent/CN213374428U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |