CN220632716U - Intravenous anesthetic injection device - Google Patents
Intravenous anesthetic injection device Download PDFInfo
- Publication number
- CN220632716U CN220632716U CN202321814815.4U CN202321814815U CN220632716U CN 220632716 U CN220632716 U CN 220632716U CN 202321814815 U CN202321814815 U CN 202321814815U CN 220632716 U CN220632716 U CN 220632716U
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- China
- Prior art keywords
- needle
- injection
- liquid medicine
- filter
- injection needle
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- 238000002347 injection Methods 0.000 title claims abstract description 63
- 239000007924 injection Substances 0.000 title claims abstract description 63
- 230000003444 anaesthetic effect Effects 0.000 title claims abstract description 15
- 238000001990 intravenous administration Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000003814 drug Substances 0.000 abstract description 32
- 239000012535 impurity Substances 0.000 abstract description 13
- 239000011521 glass Substances 0.000 abstract description 7
- 230000006698 induction Effects 0.000 description 5
- 206010002091 Anaesthesia Diseases 0.000 description 4
- 230000037005 anaesthesia Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 239000003708 ampul Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Abstract
The utility model discloses an intravenous anesthetic injection device, comprising: a syringe, an injection needle and a filtering needle; the device provided by the utility model has the advantages that when the liquid medicine is sucked, the liquid medicine passes through the filter layer, so that impurities in the liquid medicine are filtered, glass scraps or other impurities in the liquid medicine are prevented from entering the syringe, the filter needle is directly pulled out after the liquid medicine is sucked, the injection can be performed, at the moment, the impurities possibly existing in the liquid medicine are isolated in the filter needle, the cleanness of the syringe and the injection needle is ensured, the step of replacing the needle after the liquid medicine is sucked by other syringes with the filter function is avoided, and the possibility of pollution of the syringe is reduced.
Description
Technical Field
The utility model belongs to the technical field of anesthetic injection, and particularly relates to an intravenous anesthetic injection device.
Background
The main modes of preoperative induction, i.e. anesthesia, are divided into inhalation anesthesia induction and intravenous anesthesia induction, wherein intravenous anesthesia induction is the most widely used induction method at present, and the main mode is intravenous injection of anesthetic into a patient. At present, many anesthetic packages are ampoules, which are a type of fusible hard glass container commonly used for storing medicines for injection, vaccines, serum and the like, but when the ampoule is opened, glass fragments can fall into the medicine liquid to cause pollution, when the ampoule is broken off, glass fragments which cannot be seen by naked eyes can fall into the medicine, and the ampoule possibly causes platelet rupture of an injector, and once particles enter the heart along with blood, serious patients can even cause death.
In the prior art, as in the utility model CN202289080U, a filtering structure is added between the syringe and the needle to filter out impurities in the liquid medicine, which has the problems that the needle needs to be replaced for injection after the liquid medicine is sucked, or residual impurities possibly exist in the needle, which is inconvenient.
The problems that need to be solved at present are therefore: an injector capable of filtering impurities in liquid medicine is sought, and the injector can inject the liquid medicine without changing a needle after sucking the liquid medicine.
Disclosure of Invention
In order to solve the technical problems, the utility model designs an intravenous anesthetic injection device.
In order to achieve the technical purpose, the utility model is realized by the following technical scheme: an intravenous anesthetic injection apparatus comprising: a syringe, an injection needle and a filtering needle;
the liquid outlet of the injector is detachably connected with the injection needle, and the connection has good tightness;
the inner side of the injection needle is detachably connected with the liquid outlet of the injector, the outer side of the injection needle is detachably connected with the filtering needle, and the connection tightness is good;
the inner side of the filter needle is in good sealing and detachable connection with the outer side of the injection needle, and the top end of the filter needle is fixedly connected with a filter layer close to the top end of the injection needle;
further, the outer side of the bottom of the filter needle head is provided with an anti-slip printing;
further, the bottom of the injection needle is provided with a pair of wings, and the diameters of the wings are 2-4mm larger than the diameter of the injector body;
further, the contact surfaces of the injector, the injection needle and the filter needle are conical surfaces with an angle of 1-10 degrees.
The beneficial effects of the utility model are as follows:
the device provided by the utility model has the advantages that when the liquid medicine is sucked, the liquid medicine passes through the filter layer, so that impurities in the liquid medicine are filtered, glass scraps or other impurities in the liquid medicine are prevented from entering the syringe, the filter needle is directly pulled out after the liquid medicine is sucked, the injection can be performed, at the moment, the impurities possibly existing in the liquid medicine are isolated in the filter needle, the cleanness of the syringe and the injection needle is ensured, the step of replacing the needle after the liquid medicine is sucked by other syringes with the filter function is avoided, and the possibility of pollution of the syringe is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure of the present utility model;
FIG. 3 is a schematic view of the central cross-sectional structure of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
1-filtering needle, 101-anti-slip printing, 102-filtering layer, 2-injection needle, 201-protecting wing, 3-injector and 4-push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 3, an intravenous anesthetic injection apparatus includes: a syringe 3, an injection needle 2 and a filter needle 1;
the liquid outlet of the injector 3 is detachably connected with the injection needle 2, the connection has good tightness, the leakage of liquid medicine is avoided, and the injector is convenient to detach and use and then the sharp instrument part is separated for subsequent recovery treatment;
the inner side of the injection needle 2 is detachably connected with the liquid outlet of the injector 3, the outer side of the injection needle is detachably connected with the filter needle 1, the connection is good in tightness, the leakage of liquid medicine is avoided, the filter needle 1 can be removed after the injection needle 3 absorbs the liquid medicine by the detachment, impurities which may exist are isolated in the filter needle 1, and the cleanness of the injection needle 2 and the injector 3 is ensured;
the inner side of the filter needle 1 is in good sealing and detachable connection with the outer side of the injection needle 2, the top end of the filter needle 1 is fixedly connected with a filter layer 102 near the top end of the injection needle 2, the filter layer 102 is used for filtering glass fragments or other impurities in the liquid medicine, meanwhile, the filter needle 1 can be separated, and after the liquid medicine is sucked, the filter needle 1 is directly pulled out, so that the injection needle 2 can be used for injection;
furthermore, the contact surfaces of the injector 3, the injection needle 2 and the filter needle 1 are conical surfaces with an angle of 1-10 degrees, and the conical surfaces can be partially corrected when production errors exist so as to ensure tightness.
Example 2
Referring to fig. 1 to 3, an intravenous anesthetic injection apparatus includes: a syringe 3, an injection needle 2 and a filter needle 1;
the liquid outlet of the injector 3 is detachably connected with the injection needle 2, the connection has good tightness, the leakage of liquid medicine is avoided, and the injector is convenient to detach and use and then the sharp instrument part is separated for subsequent recovery treatment;
the inner side of the injection needle 2 is detachably connected with the liquid outlet of the injector 3, the outer side of the injection needle is detachably connected with the filter needle 1, the connection is good in tightness, the leakage of liquid medicine is avoided, the filter needle 1 can be removed after the injection needle 3 absorbs the liquid medicine by the detachment, impurities which may exist are isolated in the filter needle 1, and the cleanness of the injection needle 2 and the injector 3 is ensured;
the inner side of the filter needle 1 is in good sealing and detachable connection with the outer side of the injection needle 2, the top end of the filter needle 1 is fixedly connected with a filter layer 102 near the top end of the injection needle 2, the filter layer 102 is used for filtering glass fragments or other impurities in the liquid medicine, meanwhile, the filter needle 1 can be separated, and after the liquid medicine is sucked, the filter needle 1 is directly pulled out, so that the injection needle 2 can be used for injection;
furthermore, the contact surfaces of the injector 3, the injection needle 2 and the filter needle 1 are conical surfaces with an angle of 1-10 degrees, and the conical surfaces can be partially corrected when production errors exist so as to ensure tightness.
Furthermore, the anti-slip printing 101 is arranged on the outer side of the bottom of the filter needle head 1, so that friction force is improved, and an operator can conveniently pull out the filter needle head 1;
furthermore, the bottom of the injection needle 2 is provided with a pair of wings 201, the diameter of the wings 201 is 2-4mm larger than that of the body of the injector 3, the wings 201 have two functions, firstly, operators press the wings 201 when the filtering needle 1 is pulled out, the injection needle 2 is prevented from being pulled out together, secondly, after the injection is finished, the operators can rapidly take down the injection needle 2 by using the wings 201, and the separation of sharps is realized, so that the subsequent treatment is facilitated.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. An intravenous anesthetic injection apparatus, comprising: a syringe, an injection needle and a filtering needle;
the liquid outlet of the injector is detachably connected with the injection needle, and the connection has good tightness;
the inner side of the injection needle is detachably connected with the liquid outlet of the injector, the outer side of the injection needle is detachably connected with the filtering needle, and the connection tightness is good;
the inner side of the filtering needle is connected with the outer side of the injection needle in a good and detachable way, and the top end of the filtering needle is fixedly connected with a filtering layer close to the top end of the injection needle.
2. An intravenous anesthetic injection apparatus as claimed in claim 1, wherein the outside of the bottom of the filtering needle has a non-slip printing.
3. An intravenous anesthetic injection apparatus according to claim 1, wherein the injection needle has a pair of wings at a bottom thereof, the wings having a diameter 2-4mm larger than a diameter of the syringe body.
4. An intravenous anesthetic injection apparatus according to claim 1, wherein each contact surface of the syringe, the injection needle, and the filter needle is a tapered surface having an angle of 1-10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321814815.4U CN220632716U (en) | 2023-07-11 | 2023-07-11 | Intravenous anesthetic injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321814815.4U CN220632716U (en) | 2023-07-11 | 2023-07-11 | Intravenous anesthetic injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220632716U true CN220632716U (en) | 2024-03-22 |
Family
ID=90286240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321814815.4U Active CN220632716U (en) | 2023-07-11 | 2023-07-11 | Intravenous anesthetic injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220632716U (en) |
-
2023
- 2023-07-11 CN CN202321814815.4U patent/CN220632716U/en active Active
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| GR01 | Patent grant |