CN219815003U - Improved needle cylinder for changing medicine - Google Patents
Improved needle cylinder for changing medicine Download PDFInfo
- Publication number
- CN219815003U CN219815003U CN202320678191.1U CN202320678191U CN219815003U CN 219815003 U CN219815003 U CN 219815003U CN 202320678191 U CN202320678191 U CN 202320678191U CN 219815003 U CN219815003 U CN 219815003U
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- inlet
- medicine
- cylinder
- outlet
- barrel
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- 239000003814 drug Substances 0.000 title claims abstract description 70
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 17
- 239000007788 liquid Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000000613 ear canal Anatomy 0.000 description 3
- 206010061218 Inflammation Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The utility model discloses an improved needle cylinder for changing medicine, which comprises a needle cylinder, wherein one end of the needle cylinder is provided with a medicine inlet and outlet mechanism, the medicine inlet and outlet mechanism comprises a first inlet and outlet cylinder, a second inlet and outlet cylinder, a connecting component, a sealing piece and a clamping component, the clamping component and the second inlet and outlet cylinder are arranged between the first inlet and outlet cylinder and the second sealing piece, and the connecting component is arranged at one end of the first inlet and outlet cylinder. The utility model utilizes the arrangement mode of the first inlet and outlet cylinder, the second inlet and outlet cylinder, the connecting component and the clamping component to ensure that the syringe can select the first inlet and outlet cylinder or the second inlet and outlet cylinder to be used according to the viscosity degree of the medicine, so that the medicine can enter and exit the inner cavity of the syringe more conveniently, the convenience of changing the medicine in the external auditory meatus is effectively improved, the medicine can be directly used without breaking, and the safety of changing the medicine is also effectively improved.
Description
Technical Field
The utility model relates to the field of external auditory canal dressing change, in particular to an improved needle cylinder for dressing change.
Background
For the patients with inflammation in the external auditory meatus, the external application medicine is usually matched for treatment in order to inhibit and quality inflammation, and the curative effect time of the external application medicine is limited, so that the medicine is generally required to be replaced so as to ensure the normal treatment, and when the medicine is replaced, the new medicine is usually required to be extruded into a needle cylinder and then is sent into the external auditory meatus through the needle cylinder due to the limited entering range of the external auditory meatus.
However, for some more viscous medicines, when the medicine is extruded into the needle cylinder, the medicine can not be directly inhaled due to the fact that the needle cylinder is too thin, therefore, the medicine can be extruded into the inner cavity of the needle cylinder only after the needle plug in the needle cylinder is pulled out, certain difficulty exists in extrusion of the medicine due to the fact that the needle cylinder is too thin, convenience in medicine feeding is reduced, meanwhile, in order to avoid the needle cylinder from stabbing an external auditory canal, the needle cylinder is usually required to be broken during medicine feeding, the sharp end part of the needle cylinder can be gentle, but in the breaking process, the hand of medical staff is easy to stab due to the sharp end part, a certain danger exists, and the medicine feeding safety of the external auditory canal is reduced.
Disclosure of Invention
The utility model aims to provide an improved syringe for changing medicines, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an improved needle cylinder for changing the medicine comprises a needle cylinder, wherein one end of the needle cylinder is provided with a medicine inlet and outlet mechanism;
the medicine feeding and discharging mechanism comprises a first feeding and discharging barrel, a second feeding and discharging barrel, a connecting component, a sealing piece and a clamping component, wherein the clamping component and the second feeding and discharging barrel are arranged between the first feeding and discharging barrel and the second sealing piece, and the connecting component is arranged at one end of the first feeding and discharging barrel.
Preferably, the connecting assembly comprises a connecting piece and a sealing ring, the sealing ring is fixedly arranged in an inner cavity of the connecting piece, the connecting piece is fixedly arranged at one end of the first inlet and outlet cylinder, and one side of the connecting piece is arranged in an penetrating mode with one end of the needle cylinder.
Preferably, the sealing element comprises a blocking piece, the blocking piece is arranged at one end of the second inlet and outlet cylinder, and the blocking piece is of an elastic structure.
Preferably, the clamping assembly comprises two clamping blocks, the two clamping blocks are respectively and fixedly arranged at the end parts of the second inlet and outlet cylinder and the blocking block, and the middle parts of the two clamping blocks are hollow structures.
Preferably, the needle cylinder comprises a cylinder body and a push-pull assembly, wherein the push-pull assembly is arranged in the inner cavity of the cylinder body, and two ends of the cylinder body are communicated.
Preferably, the push-pull assembly comprises a push-pull rod and a piston, wherein the piston is fixedly arranged at one end of the pull rod, and the push-pull rod and the piston are both arranged in the inner cavity of the cylinder in a sliding manner.
The utility model has the technical effects and advantages that:
(1) The utility model utilizes the arrangement mode that the first inlet and outlet cylinder, the second inlet and outlet cylinder, the connecting component and the clamping component are matched, so that the syringe can select the first inlet and outlet cylinder or the second inlet and outlet cylinder to be used according to the viscosity degree of the medicine, the inner cavity of the medicine inlet and outlet syringe is more convenient, the convenience of changing the medicine in the external auditory meatus is effectively improved, meanwhile, the medicine inlet and outlet syringe can be directly used without breaking, and the safety of changing the medicine is also effectively improved;
(2) According to the utility model, by means of the arrangement mode of matching the plug and the clamping block, when the first inlet and outlet cylinder and the second inlet and outlet cylinder are not used, the port of the second inlet and outlet cylinder can be sealed through the plug, so that the pollution to the inner cavity of the needle cylinder caused by bacteria entering can be avoided, and the use safety of the needle cylinder is effectively provided.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic structural view of a medicine feeding and discharging mechanism of the present utility model.
FIG. 3 is a schematic cross-sectional view of a connector according to the present utility model.
Fig. 4 is a schematic perspective view of a piston according to the present utility model.
In the figure: 1. a needle cylinder; 101. a cylinder; 102. a push-pull rod; 103. a piston; 2. a medicine feeding and discharging mechanism; 201. a first inlet and outlet barrel; 202. a second inlet and outlet cylinder; 203. blocking; 204. a connecting piece; 205. a clamping block; 206. and (3) sealing rings.
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.
The utility model provides an improved needle cylinder for changing medicine, which is shown in figures 1-4, and comprises a needle cylinder 1, wherein one end of the needle cylinder 1 is provided with a medicine inlet and outlet mechanism 2;
the medicine feeding mechanism 2 comprises a first feeding and discharging barrel 201, a second feeding and discharging barrel 202, a connecting component, a sealing piece and a clamping component, wherein the clamping component and the second feeding and discharging barrel 202 are arranged between the first feeding and discharging barrel 201 and the second sealing piece, the connecting component is arranged at one end of the first feeding and discharging barrel 201, the sealing piece comprises a blocking piece 203, the blocking piece 203 is arranged at one end of the second feeding and discharging barrel 202, the blocking piece 203 is of an elastic structure, the first feeding and discharging barrel 201 and the second feeding and discharging barrel 202 are connected through a clamping block 205, the inner cavities between the first feeding and discharging barrel 201 and the second feeding and discharging barrel 202 are communicated, the end surfaces of the first feeding and discharging barrel 201 and the second feeding and discharging barrel 202 are flat surfaces, the stabbing phenomenon caused by the over sharp end parts in use is effectively improved, the first feeding and discharging barrel 201 is larger than the diameter of the second feeding and discharging barrel 202, according to the use requirement, the second inlet and outlet barrel 202 is quickly disassembled and assembled, so that the first inlet and outlet barrel 201 can be selected for single use according to the use requirement or the first inlet and outlet barrel 201 and the second inlet and outlet barrel 202 are matched for use, when the viscous liquid medicine is used, the first inlet and outlet barrel 201 with larger diameter can be used for inlet and outlet use of the liquid medicine, the phenomenon of blocking the liquid medicine caused by too small diameter of a part of the needle cylinder 1 is avoided, the medicine feeding convenience of the needle cylinder 1 is effectively improved, meanwhile, the medicine feeding comfort of the liquid medicine is also improved, the blocking block 203 is elastic rubber or elastic silica gel, the blocking 203 is clamped at one end of the second inlet and outlet barrel 202 through extrusion, the blocking 203 is arranged, so that when the second inlet and outlet barrel 202 is not used, the second inlet and outlet barrel 202 can be sealed through extrusion, meanwhile, the first inlet and outlet barrel 201 can keep a sealed state, and external dust is prevented from entering when not used, the use safety of the first inlet and outlet cylinder 201 and the second inlet and outlet cylinder 202 is effectively improved;
the connecting component comprises a connecting piece 204 and a sealing ring 206, the sealing ring 206 is fixedly arranged in the inner cavity of the connecting piece 204, the connecting piece 204 is fixedly arranged at one end of the first inlet and outlet barrel 201, one side of the connecting piece 204 is inserted into one end of the needle cylinder 1, the clamping component comprises two clamping blocks 205, the two clamping blocks 205 are respectively fixedly arranged at the end parts of the second inlet and outlet barrel 202 and the blocking block 203, the middle parts of the two clamping blocks 205 are hollow structures, one end of the connecting piece 204 is connected with the outer wall of one end of the barrel 101 through threaded rotation, the sealing ring 206 and the clamping blocks 205 are elastic rubber or elastic silica gel, the sealing ring 206 is arranged, when the connecting piece 204 is connected with the barrel 101, the sealing effect between the barrel 101 and the connecting piece 204 can be enhanced, so that the normal use of the barrel 101 can be ensured, the normal use of liquid medicine can be ensured, the clamping blocks 205 are in a circular ring shape, the arrangement of the clamping blocks 205 is convenient to use the elastic performance of the clamping blocks, the first inlet and outlet barrel 201 and the second inlet and outlet barrel 202 are fixedly connected through extrusion under the action of external force, the effect is effectively improved, and convenience is also provided for the first inlet and outlet barrel 201 and the second inlet and outlet barrel 202;
the needle cylinder 1 comprises a cylinder 101 and a push-pull assembly, the push-pull assembly is arranged in an inner cavity of the cylinder 101, two ends of the cylinder 101 are communicated, the push-pull assembly comprises a push-pull rod 102 and a piston 103, the piston 103 is fixedly arranged at one end of the push-pull rod 102, the push-pull rod 102 and the piston 103 are both arranged in the inner cavity of the cylinder 101 in a sliding mode, the piston 103 is elastic rubber, the outer wall of the piston 103 is in contact with the inner wall of the cylinder 101 and has a certain extrusion force, the section of the push-pull rod 102 is T-shaped, the other end of the push-pull rod 102 penetrates through the other end of the cylinder 101 and extends to the outside, and the piston 103 can be driven to synchronously move along the inner cavity of the cylinder 101 through the push-pull rod 102, so that suction force or thrust can be generated, and absorption of liquid medicine is facilitated, and push-out use is performed.
The working principle of the utility model is as follows:
when some more viscous liquid medicine is extruded into the inner cavity of the cylinder 101, the second inlet and outlet cylinder 202 can be taken down from the end part of the first inlet and outlet cylinder 201, so that medicine can enter the inner cavity of the cylinder 101 from the inner cavity of the first inlet and outlet cylinder 201 with larger diameter, and when the diameter of the first inlet and outlet cylinder 201 cannot meet the entering requirement of medicine, the connecting piece 204 can be rotated, one end of the cylinder 101 is exposed, so that medicine is directly extruded into the inner cavity of the cylinder 101 from one end of the cylinder 101, the push-pull rod 102 is pulled in the opposite direction while entering, the push-pull rod 102 generates suction force on the medicine, so that the medicine can better enter the inner cavity of the cylinder 101, in the process, the push-pull rod 102 and the piston 103 can be prevented from being pulled out from the inner cavity of the cylinder 101, the convenience of the medicine entering cylinder 101 is effectively improved, and after the medicine is ready, medicine changing work can be carried out on a patient, when the medicine is used, the medicine is pushed in the inner cavity direction of the cylinder 101, the medicine is pushed out from the first inlet and outlet cylinder 201 and the second inlet and outlet cylinder 202 under the action of the push-pull force, the medicine can be extruded out from the inner cavity of the first inlet and outlet cylinder 202, the medicine can be pulled in the opposite direction, the medicine can be prevented from being blown out from the inner cavity of the first inlet and outlet cylinder 101, the medicine can be more easily, and the medicine can be prevented from being more easily from being blown into the inner cavity of the cylinder 101, and the inner cavity of the medicine through the needle inlet and outlet cylinder, and the needle can be more easily, and better inlet and outlet cylinder.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An improved needle cylinder for changing medicine comprises a needle cylinder (1), and is characterized in that one end of the needle cylinder (1) is provided with a medicine inlet and outlet mechanism (2);
the medicine feeding and discharging mechanism (2) comprises a first feeding and discharging barrel (201), a second feeding and discharging barrel (202), a connecting component, a sealing piece and a clamping component, wherein the clamping component and the second feeding and discharging barrel (202) are arranged between the first feeding and discharging barrel (201) and the second sealing piece, and the connecting component is arranged at one end of the first feeding and discharging barrel (201).
2. The improved syringe for changing medicine according to claim 1, wherein the connecting assembly comprises a connecting piece (204) and a sealing ring (206), the sealing ring (206) is fixedly arranged in an inner cavity of the connecting piece (204), the connecting piece (204) is fixedly arranged at one end of the first inlet and outlet tube (201), and one side of the connecting piece (204) is inserted into one end of the syringe (1).
3. The improved syringe for changing medicine according to claim 1, wherein the sealing member comprises a blocking member (203), the blocking member (203) is disposed at one end of the second inlet and outlet barrel (202), and the blocking member (203) is of an elastic structure.
4. The improved syringe for changing medicine according to claim 1, wherein the clamping assembly comprises two clamping blocks (205), the two clamping blocks (205) are respectively and fixedly arranged at the end parts of the second inlet and outlet cylinder (202) and the blocking block (203), and the middle parts of the two clamping blocks (205) are hollow structures.
5. The improved syringe for changing medicine according to claim 1, wherein the syringe (1) comprises a barrel (101) and a push-pull assembly, the push-pull assembly is arranged in an inner cavity of the barrel (101), and two ends of the barrel (101) are communicated.
6. The improved syringe for changing dressings according to claim 5, wherein the push-pull assembly comprises a push-pull rod (102) and a piston (103), the piston (103) is fixedly arranged at one end of the pull rod (102), and the push-pull rod (102) and the piston (103) are both slidably arranged in the inner cavity of the cylinder body (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320678191.1U CN219815003U (en) | 2023-03-31 | 2023-03-31 | Improved needle cylinder for changing medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320678191.1U CN219815003U (en) | 2023-03-31 | 2023-03-31 | Improved needle cylinder for changing medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219815003U true CN219815003U (en) | 2023-10-13 |
Family
ID=88276126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320678191.1U Active CN219815003U (en) | 2023-03-31 | 2023-03-31 | Improved needle cylinder for changing medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219815003U (en) |
-
2023
- 2023-03-31 CN CN202320678191.1U patent/CN219815003U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |