CN204582173U - A kind of hermetically sealed medicine dissolving device - Google Patents
A kind of hermetically sealed medicine dissolving device Download PDFInfo
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- CN204582173U CN204582173U CN201520271350.1U CN201520271350U CN204582173U CN 204582173 U CN204582173 U CN 204582173U CN 201520271350 U CN201520271350 U CN 201520271350U CN 204582173 U CN204582173 U CN 204582173U
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- China
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- medicine
- sleeve pipe
- storing tube
- push rod
- hermetically sealed
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Abstract
The utility model discloses a kind of hermetically sealed medicine dissolving device, comprise medicine-storing tube, piston, push rod and mantle sleeve pipe, described push rod is positioned at medicine-storing tube, described piston is fixed on the front end of push rod, described mantle sleeve pipe is positioned at the periphery of push rod, described mantle sleeve pipe is fixed between the rear end of medicine-storing tube and the rear portion of piston, and forming a seal cavity between the inwall of the outer wall of described piston, the outer wall of push rod and medicine-storing tube and the inwall of mantle sleeve pipe, the swept volume in the molten medicine chamber of the volume of described seal cavity and the front portion of medicine-storing tube adapts.Hermetically sealed medicine dissolving device structure of the present utility model is simple, the simple to operate easy realization of push-and-pull push rod.
Description
Technical field
This utility model relates to a kind of medicine dissolving device, particularly relates to a kind of hermetically sealed medicine dissolving device.
Background technology
Medicine dissolving device, namely venous transfusion adds medicinal syringe, and the syringe generally used in Hospitals at Present is ordinary syringe, is made up of syringe, piston and push rod, medical personnel are moved by push rod push-and-pull piston when operating, and realize the operation such as aspiration medicinal liquid, admixing medical solutions.But find in actual use; because push rod does not have protective effect; medical personnel are when carrying out the operation such as aspiration medicinal liquid, admixing medical solutions; the pollution of hand can touch push rod or pass through air; existence is brought the harmful substances such as antibacterial into medicinal liquid and causes the possibility of cross infection; also have the pollution of air in addition, thus can pollution be formed to the medicine of dosing process.
For the liquid medicine contamination avoiding medical personnel to exist when using syringe, previously be designed with the use that mantle sleeve pipe moves as the air of syringe in dosing process, disclosed in Chinese patent ZL200720051360.X a kind of " built-in anti-pollution injector ", it arranges mantle sleeve pipe by the column push rod periphery in syringe, and utilize molecular film air filter and syringe inner space, reach and prevent finger from can contact push rod, realize the object avoiding cross-contamination, but the syringe volume that national regulation is used for molten medicine is all no less than 20 milliliters, when the not additional structure coordinated, after the mantle sleeve pipe inflation completely of the syringe of the volume of 20 milliliters, seriously hinder the control of hands to pull bar of operator, namely operator is difficult to pull column push rod, thus bring operational inconvenience, in the middle of operation, hands has to the flexible pipe after inflation the gas leakage causing flexible pipe during pressure unavoidably simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of hermetically sealed medicine dissolving device, and structure is simple, the simple to operate easy realization of push-and-pull push rod.
For achieving the above object, this utility model provides a kind of hermetically sealed medicine dissolving device, comprise medicine-storing tube, piston, push rod and mantle sleeve pipe, described push rod is positioned at medicine-storing tube, described piston is fixed on the front end of push rod, described mantle sleeve pipe is positioned at the periphery of push rod, described mantle sleeve pipe is fixed between the rear end of medicine-storing tube and the rear portion of piston, and forming a seal cavity between the inwall of the outer wall of described piston, the outer wall of push rod and medicine-storing tube and the inwall of mantle sleeve pipe, the swept volume in the molten medicine chamber of the volume of described seal cavity and the front portion of medicine-storing tube adapts.
As further improvement of the utility model, also comprise sheath, described sheath is positioned at the periphery at push rod rear portion, mantle sleeve pipe and medicine-storing tube rear portion, and the front end of described sheath is fixedly connected with the rear portion of medicine-storing tube.
Further improve as of the present utility model, described sheath is adhesively fixed on medicine-storing tube outer wall.
Further improve as of the present utility model, the front end of described sheath extends to form projection inwardly, the end of described projection also extends to form clamping cylinder forward, and described clamping cylinder cover is clipped on the outer wall of medicine-storing tube rear portion, and the outer wall of described medicine-storing tube is convexly equipped with the boss with projection interference fit outwardly.
Further improve as of the present utility model, the rear wall of described medicine-storing tube is convexly equipped with protuberance outwardly, and described protuberance is provided with mating holes, the front end of described sheath be provided with correspondence to stretch in mating holes and with the Plug Division of mating holes interference fit.
As further improvement of the utility model, the rear end of described medicine-storing tube is provided with fixed part, and the rear portion of described push rod is provided with fixing head, and the two ends of described mantle sleeve pipe are fixed in fixed part and fixing head portion.
Further improve as of the present utility model, the two ends of described mantle sleeve pipe are fixed on fixed part and fixing head by elastic ring.
Further improve as of the present utility model, the two ends of described mantle sleeve pipe are threaded connection with fixed part and fixing head respectively.
Further improve as of the present utility model, described fixing head is circular slab.
Further improve as of the present utility model, described mantle sleeve pipe is columnar structured or cone barrel structure.
Compared with prior art, the beneficial effect of hermetically sealed medicine dissolving device of the present utility model is as follows:
(1) structure is simple, and easily manufactured, cost is low; By arranging jacket structure, really can realize suitability for industrialized production, and not affect the traditional operation mode of medical personnel, more square operation.
(2) because the volume of seal cavity and the swept volume in molten medicine chamber adapt, thus in the process of push-and-pull push rod, operational difficulty can not be produced, easy realization simple to operation.
(3) sheath and medicine-storing tube adopt split type structural design, not only convenient manufacture, and sheath can be protected mantle sleeve pipe, prevents hands and mantle casing-contact, thus avoids the gas leakage of operating difficulties and mantle sleeve pipe.
(4) sheath and medicine-storing tube adopt the mode that is adhesively fixed or interference fit to be fixed together, thus ease of assembly.
By following description also by reference to the accompanying drawings, this utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is hermetically sealed medicine dissolving device embodiment one in this utility model schematic diagram when not taking out medicine.
Fig. 2 is the schematic diagram of fixing head in embodiment one and mantle sleeve upper end connecting portion.
Fig. 3 is the schematic diagram after hermetically sealed medicine dissolving device embodiment one in this utility model takes out medicine.
Fig. 4 is hermetically sealed medicine dissolving device embodiment two in this utility model schematic diagram when not taking out medicine.
Fig. 5 is the schematic diagram after hermetically sealed medicine dissolving device embodiment two in this utility model takes out medicine.
Fig. 6 is hermetically sealed medicine dissolving device embodiment three in this utility model schematic diagram when not taking out medicine.
Fig. 7 is hermetically sealed medicine dissolving device embodiment four in this utility model schematic diagram when not taking out medicine.
Fig. 8 is the schematic diagram that the mantle sleeve pipe in embodiment four is connected with fixed part and fixing head.
Detailed description of the invention
With reference now to accompanying drawing, describe embodiment of the present utility model, element numbers similar in accompanying drawing represents similar element.
Embodiment one
Please refer to Fig. 1-3, described hermetically sealed medicine dissolving device comprises medicine-storing tube 1, piston 2, push rod 3 and mantle sleeve pipe 4 and sheath 5.Described push rod 3 is positioned at medicine-storing tube 1, described piston 2 is fixed on the front end of push rod 3, described mantle sleeve pipe 4 is positioned at the periphery of push rod 3, described mantle sleeve pipe 4 is fixed between the rear end of medicine-storing tube 1 and the rear portion of piston 2, and the outer wall of described piston 2, the outer wall of push rod 3 and form a seal cavity a between the inwall of medicine-storing tube 1 and the inwall of mantle sleeve pipe 4, the swept volume of the molten medicine chamber b of the volume of described seal cavity a and the front portion of medicine-storing tube 1 adapts, namely the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b, namely the volume of seal cavity a can slightly larger than the swept volume one to two milliliter of molten medicine chamber b, also the swept volume one to two milliliter of molten medicine chamber b can be slightly less than, all can meet the requirement in use.
Specifically, the rear end of described medicine-storing tube 1 is provided with fixed part 11, and the rear portion outer wall of described medicine-storing tube 1 is convexly equipped with boss 12 outwardly.The back periphery of described push rod 3 is provided with fixing head 31, and described fixing head 31 is circular slabs, and described fixing head 31 is one-body molded with push rod 3, thus can one-shot forming, reduces costs.Described mantle sleeve pipe 4 is columnar structured, and the two ends of described mantle sleeve pipe 4 are fixed on fixed part 11 and fixing head 31 by the elastic ring 41 meeting medical requirement, thus easy for installation.Described sheath 5 is cylindrical, described sheath 5 is positioned at the periphery at push rod 3 rear portion, mantle sleeve pipe 4 and medicine-storing tube 1 rear portion, and the front end of described sheath 5 extends to form projection 51 inwardly, on the front surface that described projection 51 is hooked in boss 12 and boss 12 forms interference fit with the inwall of projection 51, the end of described projection 51 also extends to form forward clamping cylinder 52, described clamping cylinder 52 cover is clipped on the outer wall of medicine-storing tube 1 rear portion, thus sheath 5 and medicine-storing tube 1 are fixed together.
During use; the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b; thus in the process of push-and-pull push rod 3; operational difficulty can not be produced; and the setting of fixing head 31 and sheath 5, can protect mantle sleeve pipe 4; prevent hands from contacting with mantle sleeve pipe 4, thus avoid the gas leakage of operating difficulties and mantle sleeve pipe.
Embodiment two
Please refer to Fig. 4-5, described hermetically sealed medicine dissolving device comprises medicine-storing tube 1, piston 2, push rod 3 and mantle sleeve pipe 4 and sheath 5.Described push rod 3 is positioned at medicine-storing tube 1, described piston 2 is fixed on the front end of push rod 3, described mantle sleeve pipe 4 is positioned at the periphery of push rod 3, described mantle sleeve pipe 4 is fixed between the rear end of medicine-storing tube 1 and the rear portion of piston 2, and the outer wall of described piston 2, the outer wall of push rod 3 and form a seal cavity a between the inwall of medicine-storing tube 1 and the inwall of mantle sleeve pipe 4, the swept volume of the molten medicine chamber b of the volume of described seal cavity a and the front portion of medicine-storing tube 1 adapts, namely the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b, namely the volume of seal cavity a can slightly larger than the swept volume one to two milliliter of molten medicine chamber b, also the swept volume one to two milliliter of molten medicine chamber b can be slightly less than, all can meet the requirement in use.
Specifically, the rear end of described medicine-storing tube 1 is provided with fixed part 11, and the rear portion outer wall of described medicine-storing tube 1 is convexly equipped with protuberance 13 outwardly, and described protuberance 13 is provided with mating holes 13a.The back periphery of described push rod 3 is provided with fixing head 31, and described fixing head 31 is circular slabs, and described fixing head 31 is one-body molded with push rod 3, thus can one-shot forming, reduces costs.Described mantle sleeve pipe 4 is columnar structured, and the two ends of described mantle sleeve pipe 4 are fixed on fixed part 11 and fixing head 31 by the elastic ring 41 meeting medical requirement, thus easy for installation.Described sheath 5 is cylindrical, described sheath 5 is positioned at the periphery at push rod 3 rear portion, mantle sleeve pipe 4 and medicine-storing tube 1 rear portion, and the front end of described sheath 5 be provided with correspondence to stretch in mating holes 13a and with the Plug Division 53 of mating holes 13a interference fit, thus sheath 5 and medicine-storing tube 1 are fixed together.
During use; the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b; thus in the process of push-and-pull push rod 3; operational difficulty can not be produced; and the setting of fixing head 31 and sheath 5, can protect mantle sleeve pipe 4; prevent hands from contacting with mantle sleeve pipe 4, thus avoid the gas leakage of operating difficulties and mantle sleeve pipe.
Embodiment three
Please refer to Fig. 6, described hermetically sealed medicine dissolving device comprises medicine-storing tube 1, piston 2, push rod 3 and mantle sleeve pipe 4 and sheath 5.Described push rod 3 is positioned at medicine-storing tube 1, described piston 2 is fixed on the front end of push rod 3, described mantle sleeve pipe 4 is positioned at the periphery of push rod 3, described mantle sleeve pipe 4 is fixed between the rear end of medicine-storing tube 1 and the rear portion of piston 2, and the outer wall of described piston 2, the outer wall of push rod 3 and form a seal cavity a between the inwall of medicine-storing tube 1 and the inwall of mantle sleeve pipe 4, the swept volume of the molten medicine chamber b of the volume of described seal cavity a and the front portion of medicine-storing tube 1 adapts, namely the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b, namely the volume of seal cavity a can slightly larger than the swept volume one to two milliliter of molten medicine chamber b, also the swept volume one to two milliliter of molten medicine chamber b can be slightly less than, all can meet the requirement in use.
Specifically, the rear end of described medicine-storing tube 1 is provided with fixed part 11.The back periphery of described push rod 3 is provided with fixing head 31, and described fixing head 31 is circular slabs, and described fixing head 31 is one-body molded with push rod 3, thus can one-shot forming, reduces costs.Described mantle sleeve pipe 4 is columnar structured, and the two ends of described mantle sleeve pipe 4 are fixed on fixed part 11 and fixing head 31 by the elastic ring 41 meeting medical requirement, thus easy for installation.Described sheath 5 is cylindrical, described sheath 5 is positioned at the periphery at push rod 3 rear portion, mantle sleeve pipe 4 and medicine-storing tube 1 rear portion, and the inwall of described sheath 5 is adhesively fixed on medicine-storing tube 1 outer wall by adhesive glue c, thus sheath 5 and medicine-storing tube 1 are fixed together.
During use; the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b; thus in the process of push-and-pull push rod 3; operational difficulty can not be produced; and the setting of fixing head 31 and sheath 5, can protect mantle sleeve pipe 4; prevent hands from contacting with mantle sleeve pipe 4, thus avoid the gas leakage of operating difficulties and mantle sleeve pipe.
Embodiment four
Please refer to Fig. 7-8, described hermetically sealed medicine dissolving device comprises medicine-storing tube 1, piston 2, push rod 3 and mantle sleeve pipe 4 and sheath 5.Described push rod 3 is positioned at medicine-storing tube 1, described piston 2 is fixed on the front end of push rod 3, described mantle sleeve pipe 4 is positioned at the periphery of push rod 3, described mantle sleeve pipe 4 is fixed between the rear end of medicine-storing tube 1 and the rear portion of piston 2, and the outer wall of described piston 2, the outer wall of push rod 3 and form a seal cavity a between the inwall of medicine-storing tube 1 and the inwall of mantle sleeve pipe 4, the swept volume of the molten medicine chamber b of the volume of described seal cavity a and the front portion of medicine-storing tube 1 adapts, namely the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b, namely the volume of seal cavity a can slightly larger than the swept volume one to two milliliter of molten medicine chamber b, also the swept volume one to two milliliter of molten medicine chamber b can be slightly less than, all can meet the requirement in use.
Specifically, the rear end of described medicine-storing tube 1 is provided with fixed part 11.The back periphery of described push rod 3 is provided with fixing head 31, and described fixing head 31 is circular slabs, and described fixing head 31 is one-body molded with push rod 3, thus can one-shot forming, reduces costs.Described mantle sleeve pipe 4 is columnar structured, and the two ends of described mantle sleeve pipe 4 are threaded connection with fixed part 11 and fixing head 31 respectively, thus easy for installation.When the two ends of described mantle sleeve pipe 4 and fixed part 11 and fixing head 31 are threaded connection, it is thicker that the two ends that mantle sleeve pipe 4 can be provided with helicitic texture make, and that middle part makes is thinner, or mid portion is flexible shape pipe; Thus while can elastic telescopic being realized, can achieve a fixed connection again.Described sheath 5 is cylindrical, described sheath 5 is positioned at the periphery at push rod 3 rear portion, mantle sleeve pipe 4 and medicine-storing tube 1 rear portion, and the inwall of described sheath 5 is adhesively fixed on medicine-storing tube 1 outer wall by adhesive glue c, thus sheath 5 and medicine-storing tube 1 are fixed together.
During use; the volume of seal cavity a is substantially identical with the swept volume of molten medicine chamber b; thus in the process of push-and-pull push rod 3; operational difficulty can not be produced; and the setting of fixing head 31 and sheath 5, can protect mantle sleeve pipe 4; prevent hands from contacting with mantle sleeve pipe 4, thus avoid the gas leakage of operating difficulties and mantle sleeve pipe.
The mode that mantle sleeve pipe 4 in this embodiment four and fixed part 11 and fixing head 31 are threaded connection also can combine with above-described embodiment one, embodiment two and embodiment three respectively.
In addition, this utility model can also have other embodiments, and in other embodiments, described mantle sleeve pipe 4 is cone barrel structures.In other embodiments, the two ends of described mantle sleeve pipe 4 can with fixed part 11 and the one-body molded setting of fixing head 31.In other embodiments, also medicine-storing tube 1 and sheath 5 can be designed to the structure of integral type, instead of split type structure, also can reach the identical effect of the various embodiments described above.
More than in conjunction with most preferred embodiment, this utility model is described, but this utility model is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present utility model amendment, equivalent combinations.
Claims (10)
1. a hermetically sealed medicine dissolving device, comprise medicine-storing tube, piston, push rod and mantle sleeve pipe, described push rod is positioned at medicine-storing tube, described piston is fixed on the front end of push rod, described mantle sleeve pipe is positioned at the periphery of push rod, it is characterized in that: described mantle sleeve pipe is fixed between the rear end of medicine-storing tube and the rear portion of piston, and forming a seal cavity between the inwall of the outer wall of described piston, the outer wall of push rod and medicine-storing tube and the inwall of mantle sleeve pipe, the swept volume in the molten medicine chamber of the volume of described seal cavity and the front portion of medicine-storing tube adapts.
2. hermetically sealed medicine dissolving device as claimed in claim 1, is characterized in that: also comprise sheath, and described sheath is positioned at the periphery at push rod rear portion, mantle sleeve pipe and medicine-storing tube rear portion, and the front end of described sheath is fixedly connected with the rear portion of medicine-storing tube.
3. hermetically sealed medicine dissolving device as claimed in claim 2, is characterized in that: described sheath is adhesively fixed on medicine-storing tube outer wall.
4. hermetically sealed medicine dissolving device as claimed in claim 2, it is characterized in that: the front end of described sheath extends to form projection inwardly, the end of described projection also extends to form clamping cylinder forward, described clamping cylinder cover is clipped on the outer wall of medicine-storing tube rear portion, and the outer wall of described medicine-storing tube is convexly equipped with the boss with projection interference fit outwardly.
5. hermetically sealed medicine dissolving device as claimed in claim 2, it is characterized in that: the rear wall of described medicine-storing tube is convexly equipped with protuberance outwardly, described protuberance is provided with mating holes, the front end of described sheath be provided with correspondence to stretch in mating holes and with the Plug Division of mating holes interference fit.
6. hermetically sealed medicine dissolving device as claimed in claim 1, it is characterized in that: the rear end of described medicine-storing tube is provided with fixed part, the rear portion of described push rod is provided with fixing head, and the two ends of described mantle sleeve pipe are fixed in fixed part and fixing head portion.
7. hermetically sealed medicine dissolving device as claimed in claim 6, is characterized in that: the two ends of described mantle sleeve pipe are fixed on fixed part and fixing head by elastic ring.
8. hermetically sealed medicine dissolving device as claimed in claim 6, is characterized in that: the two ends of described mantle sleeve pipe are threaded connection with fixed part and fixing head respectively.
9. hermetically sealed medicine dissolving device as claimed in claim 6, is characterized in that: described fixing head is circular slab.
10. the hermetically sealed medicine dissolving device as described in any one of claim 1 to 9, is characterized in that: described mantle sleeve pipe is columnar structured or cone barrel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271350.1U CN204582173U (en) | 2015-04-28 | 2015-04-28 | A kind of hermetically sealed medicine dissolving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271350.1U CN204582173U (en) | 2015-04-28 | 2015-04-28 | A kind of hermetically sealed medicine dissolving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204582173U true CN204582173U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520271350.1U Expired - Fee Related CN204582173U (en) | 2015-04-28 | 2015-04-28 | A kind of hermetically sealed medicine dissolving device |
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| CN (1) | CN204582173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759004A (en) * | 2015-04-28 | 2015-07-08 | 陈庆强 | Full-sealing medicine dissolving device |
-
2015
- 2015-04-28 CN CN201520271350.1U patent/CN204582173U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759004A (en) * | 2015-04-28 | 2015-07-08 | 陈庆强 | Full-sealing medicine dissolving device |
| CN104759004B (en) * | 2015-04-28 | 2017-12-22 | 陈庆强 | Hermetically sealed medicine dissolving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20210428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |