CN104921943A - Negative pressure type medicine dissolving device - Google Patents
Negative pressure type medicine dissolving device Download PDFInfo
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- CN104921943A CN104921943A CN201510402324.2A CN201510402324A CN104921943A CN 104921943 A CN104921943 A CN 104921943A CN 201510402324 A CN201510402324 A CN 201510402324A CN 104921943 A CN104921943 A CN 104921943A
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- telescoping tube
- plate
- location
- pressure type
- dissolving device
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Abstract
The invention discloses a negative pressure type medicine dissolving device. The negative pressure type medicine dissolving device comprises a push rod and a needle base. A liquid inlet and outlet is formed in the center of the needle base. The negative pressure type medicine dissolving device further comprises a telescopic pipe which can be stretched out and drawn back in the longitudinal direction, and a support which limits the telescopic pipe in the longitudinal stretch-out and drawn-back direction of the telescopic pipe. The push rod and the needle base are fixedly connected with the upper end and the lower end of the telescopic pipe respectively so that a closed space can be formed in the telescopic pipe. The negative pressure type medicine dissolving device is simple in structure, low in cost and free of contamination in the medicine adding process.
Description
Technical field
The present invention relates to a kind of medicine dissolving device, particularly relate to a kind of negative-pressure type medicine dissolving device.
Background technology
Molten syringe, 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 medicine-storing tube avoided by mantle sleeve pipe in dosing process pollution as syringe, disclosed in Chinese patent ZL201420051398.7 " a kind of anti-pollution injector of easy assembling ", it arranges mantle sleeve pipe by the column push rod periphery in syringe, the two ends of mantle sleeve pipe are fixed on by plastic rubber ring on the cylindrical connector of column push rod rear and front end, and utilize molecular film air filter and syringe inner space, reach and prevent finger meeting contact stain push rod and then pollute medicine-storing tube, realize the object avoiding cross-contamination.This anti-pollution injector complex structure, relative manufacturing cost is high.Structure simpler production of the present invention is with low cost, is more suitable for the requirement of environmental protection.
Summary of the invention
The object of this invention is to provide a kind of negative-pressure type medicine dissolving device, structure is simple, and cost of manufacture is cheap, is more suitable for the requirement of environmental protection, and dosing process is pollution-free.
For achieving the above object, the invention provides a kind of negative-pressure type medicine dissolving device, comprise push rod and needle holder, needle holder center is provided with liquid in-out mouth, also comprise can longitudinal extension telescoping tube and in the longitudinal extension direction of telescoping tube, spacing support is carried out to telescoping tube, push rod and needle holder are fixedly connected with the top and bottom of telescoping tube respectively and make to form a seal cavity in telescoping tube.
As a further improvement on the present invention, described support comprises location-plate and lower location-plate, upper location-plate is provided with the spacing hole installing push rod, the downside of lower location-plate is provided with needle holder, telescoping tube is between upper location-plate and lower location-plate and the lower end of telescoping tube is fixed on the upside of lower location-plate, the lower end of telescoping tube is provided with the liquid outlet corresponding with liquid in-out mouth, is connected with and carries out spacing position limiting structure at longitudinal direction to telescoping tube between upper location-plate and lower location-plate.
As a further improvement on the present invention, described support comprises location-plate and lower location-plate, upper location-plate is provided with the spacing hole installing push rod, lower location-plate is provided with through hole, telescoping tube is between upper location-plate and lower location-plate and the lower end of telescoping tube is fixedly connected with fixing head, needle holder is located at the downside of fixing head and is run through and be arranged on through hole, is connected with and carries out spacing position limiting structure at longitudinal direction to telescoping tube between upper location-plate and lower location-plate.
Further improve as of the present invention, the outer surface of described telescoping tube is provided with longitudinally guiding groove, and position limiting structure is the guide post that correspondence is positioned at longitudinally guiding groove.
Further improve as of the present invention, described longitudinally guiding groove has more than two, and this longitudinally guiding groove of more than two is spacedly distributed substantially along the circumferencial direction of telescoping tube, is provided with guide post described in each longitudinally guiding groove.
Further improve as of the present invention, the surface of the wherein guide post on described support is provided with scale.
Further improve as of the present invention, described telescoping tube outer surface is double wedge structure, and the inclined plane of double wedge structure is obliquely installed towards liquid in-out mouth.
Further improve as of the present invention, described telescoping tube is organ type telescoping tube.
Further improve as of the present invention, described organ type telescoping tube is made up of medical grade plastic materials.
Compared with prior art, the beneficial effect of negative-pressure type medicine dissolving device of the present invention is as follows:
(1) owing to not adopting syringe, elasticity mantle and piston structure, thus enormously simplify the structure of negative-pressure type medicine dissolving device, reduce manufacturing cost, be more suitable for the requirement of environmental protection.
(2) can form a relatively hermetically sealed space in telescoping tube, air only can be passed in and out by the liquid in-out mouth of needle holder, thus dosing process can stop the pollution of hands to medicine completely.
(3) inclined plane of double wedge structure is obliquely installed towards liquid in-out mouth, thus medicinal liquid can arrange more clean, make not have hydrops in telescoping tube, make the consumption of medicine more accurate, avoid the waste attenuating clinical therapeutic efficacy of medicine.
(4) utilize more than two guide posts, support can carry out good spacing and location in the longitudinal extension direction of telescoping tube to telescoping tube, thus prevents telescoping tube to vacillate now to the left, now to the right when longitudinal extension impact operation.
(5) surface of guide post is provided with scale, thus conveniently checks the capacity of the medicinal liquid in negative-pressure type medicine dissolving device, easy to use.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of negative-pressure type medicine dissolving device embodiment one of the present invention.
Fig. 2 is the top view that guide post and telescoping tube coordinate.
Fig. 3 is the schematic diagram of negative-pressure type medicine dissolving device embodiment two of the present invention.
Fig. 4 is the schematic diagram of negative-pressure type medicine dissolving device embodiment three of the present invention.
Detailed description of the invention
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
Embodiment one
Please refer to Fig. 1 and Fig. 2, described negative-pressure type medicine dissolving device comprise support 1, push rod 2, can the telescoping tube 3 of longitudinal extension and needle holder 4.
Described support 1 comprises location-plate 11 and lower location-plate 12, be connected to position limiting structure 13 between location-plate 11 and lower location-plate 12.Described upper location-plate 11 is provided with spacing hole 11a.Described position limiting structure 13 is three guide posts.The surface of the wherein guide post on described support 1 is provided with scale, thus conveniently checks the capacity of the medicinal liquid in negative-pressure type medicine dissolving device.
Described push rod 2 is arranged on spacing hole 11a place.
Described telescoping tube 3 is organ type telescoping tube, and is made up of medical grade plastic materials.Described telescoping tube 3 between upper location-plate 11 and lower location-plate 12, simultaneously also between three guide posts.The outer surface of described telescoping tube 3 is provided with three longitudinally guiding grooves 31, these three longitudinally guiding grooves 31 are spacedly distributed substantially along the circumferencial direction of telescoping tube 3, guide post described in one is provided with in each longitudinally guiding groove 31, it is be limited horizontal hunting relation that longitudinally guiding groove 31 and guide post are closed, thus prevents telescoping tube 3 from vacillating now to the left, now to the right when longitudinal extension.Utilize three guide posts, support 1 can carry out good spacing and location in the longitudinal extension direction of telescoping tube 3 to telescoping tube 3, thus can well prevent telescoping tube 3 from vacillating now to the left, now to the right when longitudinal extension and affecting operation.The upper end of described telescoping tube 3 is fixed on the lower end of push rod 1, and the lower end of described telescoping tube 3 is fixed on the upside of lower location-plate 12, and the lower end of described telescoping tube 3 is provided with liquid outlet.Described telescoping tube 3 outer surface is double wedge structure.
Described needle holder 4 is located at the downside of lower location-plate 12 and one-body molded with lower location-plate 12, described needle holder 4 center is provided with liquid in-out mouth 41, the inclined plane of double wedge structure is obliquely installed towards liquid in-out mouth 41, thus medicinal liquid can arrange cleaner, make not have hydrops in telescoping tube 3, make the consumption of medicine more accurate, avoid the waste of medicine to lower clinical therapeutic efficacy.The end face of the through lower location-plate 12 of described liquid in-out mouth 41, and liquid in-out mouth 41 is corresponding with liquid outlet.
When described telescoping tube 3 is combined as a negative-pressure type medicine dissolving device with push rod 2, support 1 and needle holder 4, because the top and bottom of telescoping tube 3 are fixedly connected with push rod 1 with the integrated lower location-plate 12 of needle holder 4 respectively, thus make to form a relatively hermetically sealed space in telescoping tube 3, air only can be passed in and out by the liquid in-out mouth of needle holder 4, thus dosing process can stop the pollution of hands completely, and owing to not adopting syringe, elasticity mantle and piston structure, thus enormously simplify the structure of negative-pressure type medicine dissolving device, reduce manufacturing cost.
Embodiment two
Please refer to Fig. 2 and Fig. 3, described negative-pressure type medicine dissolving device comprise support 1, push rod 2, can the telescoping tube 3 of longitudinal extension and needle holder 4.
Described support 1 comprises location-plate 11 and lower location-plate 12, be connected to position limiting structure 13 between location-plate 11 and lower location-plate 12.Described upper location-plate 11 is provided with spacing hole 11a.Lower location-plate 12 is provided with through hole 12a.Described position limiting structure 13 is three guide posts.The surface of the wherein guide post on described support 1 is provided with scale, thus conveniently checks the capacity of the medicinal liquid in negative-pressure type medicine dissolving device.
Described push rod 2 is arranged on spacing hole 11a place.
Described telescoping tube 3 is organ type telescoping tube, and is made up of medical grade plastic materials.Described telescoping tube 3 between upper location-plate 11 and lower location-plate 12, simultaneously also between three guide posts.The outer surface of described telescoping tube 3 is provided with three longitudinally guiding grooves 31, these three longitudinally guiding grooves 31 are spacedly distributed substantially along the circumferencial direction of telescoping tube 3, guide post described in one is provided with in each longitudinally guiding groove 31, it is be limited horizontal hunting relation that longitudinally guiding groove 31 and guide post are closed, thus prevents telescoping tube 3 from vacillating now to the left, now to the right when longitudinal extension.Utilize three guide posts, support 1 can carry out good spacing and location in the longitudinal extension direction of telescoping tube 3 to telescoping tube 3, thus can well prevent telescoping tube 3 from vacillating now to the left, now to the right when longitudinal extension and affecting operation.The upper end of described telescoping tube 3 is fixed on the lower end of push rod 1, and the lower end of described telescoping tube 3 is fixedly connected with fixing head 33.Described telescoping tube 3 outer surface is double wedge structure.
Described needle holder 4 is located at the downside of fixing head 33 and one-body molded with fixing head 33, described needle holder 4 runs through and is arranged on through hole 12a place, described needle holder 4 center is provided with liquid in-out mouth 41, the inclined plane of double wedge structure is obliquely installed towards liquid in-out mouth 41, thus medicinal liquid can arrange cleaner, make not have hydrops in telescoping tube 3, make the consumption of medicine more accurate, avoid the waste of medicine to lower clinical therapeutic efficacy.The end face of the through fixing head 33 of described liquid in-out mouth 41.
When described telescoping tube 3 is combined as a negative-pressure type medicine dissolving device with push rod 2, support 1 and needle holder 4, because the top and bottom of telescoping tube 3 are fixedly connected with push rod 1 with the integrated fixing head 33 of needle holder 4 respectively, thus make to form a relatively hermetically sealed space in telescoping tube 3, air only can be passed in and out by the liquid in-out mouth of needle holder 4, thus dosing process can stop the pollution of hands completely, and owing to not adopting syringe, elasticity mantle and piston structure, thus enormously simplify the structure of negative-pressure type medicine dissolving device, reduce manufacturing cost.
Embodiment three
Please refer to Fig. 4, described negative-pressure type medicine dissolving device comprise support 1, push rod 2, can the telescoping tube 3 of longitudinal extension and needle holder 4.
Described support 1 comprises location-plate 11 and lower location-plate 12, be connected to position limiting structure 13 between location-plate 11 and lower location-plate 12.Described upper location-plate 11 is provided with spacing hole 11a.Described position limiting structure 13 is pillar buoys, the airtight tube structure that pillar buoy and upper location-plate 11, lower location-plate 12 are formed.The surface of described pillar buoy is provided with scale, thus conveniently checks the capacity of the medicinal liquid in negative-pressure type medicine dissolving device.
Described push rod 2 is arranged on spacing hole 11a place.
Described telescoping tube 3 is organ type telescoping tube, and is made up of medical grade plastic materials.Described telescoping tube 3 is positioned at tube structure.The upper end of described telescoping tube 3 is fixed on the lower end of push rod 1, and the lower end of described telescoping tube 3 is fixed on the upside of lower location-plate 12, and the lower end of described telescoping tube 3 is provided with liquid outlet 32.Described telescoping tube 3 outer surface is double wedge structure.
Described needle holder 4 is located at the downside of lower location-plate 12 and one-body molded with lower location-plate 12, described needle holder 4 center is provided with liquid in-out mouth 41, the inclined plane of double wedge structure is obliquely installed towards liquid in-out mouth 41, thus medicinal liquid can arrange cleaner, make not have hydrops in telescoping tube 3, make the consumption of medicine more accurate, avoid the waste of medicine to lower clinical therapeutic efficacy.The end face of the through lower location-plate 12 of described liquid in-out mouth 41, and liquid in-out mouth 41 is corresponding with liquid outlet 32.
When described telescoping tube 3 is combined as a negative-pressure type medicine dissolving device with push rod 2, support 1 and needle holder 4, because the top and bottom of telescoping tube 3 are fixedly connected with push rod 1 with the integrated lower location-plate 12 of needle holder 4 respectively, thus make to form an opposing seal space in telescoping tube 3, air only can be passed in and out by the liquid in-out mouth of needle holder 4, thus dosing process can stop the pollution of hands completely, and owing to not adopting piston structure, thus enormously simplify the structure of negative-pressure type medicine dissolving device, reduce manufacturing cost.
In addition, the present invention can also have other embodiments, in other embodiments, also on three guide posts, all can arrange scale, thus easy to use.
In other embodiments, also only can arrange two guide posts, two guide posts are oppositely arranged at the circumferencial direction of telescoping tube 3, thus can well prevent telescoping tube 3 from vacillating now to the left, now to the right when telescoping tube 3 longitudinal extension and affect operation.
In other embodiments, the guide post of four or more also only can be set, can reach good prevent the wiggly object of telescoping tube 3 as long as these guide posts are spacedly distributed along the circumferencial direction of telescoping tube 3.
More than in conjunction with most preferred embodiment, invention has been described, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.
Claims (9)
1. a negative-pressure type medicine dissolving device, comprise push rod and needle holder, needle holder center is provided with liquid in-out mouth, it is characterized in that: also comprise can longitudinal extension telescoping tube and in the longitudinal extension direction of telescoping tube, spacing support is carried out to telescoping tube, push rod and needle holder are fixedly connected with the top and bottom of telescoping tube respectively and make to form a seal cavity in telescoping tube.
2. negative-pressure type medicine dissolving device as claimed in claim 1, it is characterized in that: described support comprises location-plate and lower location-plate, upper location-plate is provided with the spacing hole installing push rod, the downside of lower location-plate is provided with needle holder, telescoping tube is between upper location-plate and lower location-plate and the lower end of telescoping tube is fixed on the upside of lower location-plate, the lower end of telescoping tube is provided with the liquid outlet corresponding with liquid in-out mouth, is connected with and carries out spacing position limiting structure at longitudinal direction to telescoping tube between upper location-plate and lower location-plate.
3. negative-pressure type medicine dissolving device as claimed in claim 1, it is characterized in that: described support comprises location-plate and lower location-plate, upper location-plate is provided with the spacing hole installing push rod, lower location-plate is provided with through hole, telescoping tube is between upper location-plate and lower location-plate and the lower end of telescoping tube is fixedly connected with fixing head, needle holder is located at the downside of fixing head and is run through and be arranged on through hole, is connected with and carries out spacing position limiting structure at longitudinal direction to telescoping tube between upper location-plate and lower location-plate.
4. negative-pressure type medicine dissolving device as claimed in claim 2 or claim 3, it is characterized in that: the outer surface of described telescoping tube is provided with longitudinally guiding groove, position limiting structure is the guide post that correspondence is positioned at longitudinally guiding groove.
5. negative-pressure type medicine dissolving device as claimed in claim 4, it is characterized in that: described longitudinally guiding groove has more than two, this longitudinally guiding groove of more than two is spacedly distributed substantially along the circumferencial direction of telescoping tube, is provided with guide post described in each longitudinally guiding groove.
6. negative-pressure type medicine dissolving device as claimed in claim 5, is characterized in that: the surface of the wherein guide post on described support is provided with scale.
7. negative-pressure type medicine dissolving device as claimed in claim 5, it is characterized in that: described telescoping tube outer surface is double wedge structure, the inclined plane of double wedge structure is obliquely installed towards liquid in-out mouth.
8. negative-pressure type medicine dissolving device as claimed in claim 7, is characterized in that: described telescoping tube is organ type telescoping tube.
9. negative-pressure type medicine dissolving device as claimed in claim 8, is characterized in that: described organ type telescoping tube is made up of medical grade plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402324.2A CN104921943B (en) | 2015-07-09 | 2015-07-09 | Suction type medicine dissolving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402324.2A CN104921943B (en) | 2015-07-09 | 2015-07-09 | Suction type medicine dissolving device |
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| Publication Number | Publication Date |
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| CN104921943A true CN104921943A (en) | 2015-09-23 |
| CN104921943B CN104921943B (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510402324.2A Active CN104921943B (en) | 2015-07-09 | 2015-07-09 | Suction type medicine dissolving device |
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| CN (1) | CN104921943B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108524260A (en) * | 2018-03-08 | 2018-09-14 | 魏长同 | A kind of cillin bottle quantitative liquid-filling device |
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| CN1748806A (en) * | 2005-10-14 | 2006-03-22 | 陈庆强 | No pushing rod anti-pollution injector |
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| CN200963388Y (en) * | 2006-10-16 | 2007-10-24 | 陈庆强 | Anti-pollution sealed medicine adding syringe |
| CN200998482Y (en) * | 2007-01-04 | 2008-01-02 | 陈庆强 | Full-sealed medicine-adding injector |
| CN201248922Y (en) * | 2008-06-30 | 2009-06-03 | 陈庆强 | Built-in anti-pollution syringe |
| CN104759004A (en) * | 2015-04-28 | 2015-07-08 | 陈庆强 | Full-sealing medicine dissolving device |
| CN204840287U (en) * | 2015-07-09 | 2015-12-09 | 陈庆强 | Medicine ware is dissolved to negative pressure formula |
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2015
- 2015-07-09 CN CN201510402324.2A patent/CN104921943B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1748806A (en) * | 2005-10-14 | 2006-03-22 | 陈庆强 | No pushing rod anti-pollution injector |
| CN2827404Y (en) * | 2005-11-10 | 2006-10-18 | 陈庆强 | Anti-pollution injector |
| CN2855436Y (en) * | 2005-12-05 | 2007-01-10 | 陈庆强 | Telescopic sleeve pollusion preventing syringe |
| CN200963388Y (en) * | 2006-10-16 | 2007-10-24 | 陈庆强 | Anti-pollution sealed medicine adding syringe |
| CN200998482Y (en) * | 2007-01-04 | 2008-01-02 | 陈庆强 | Full-sealed medicine-adding injector |
| CN201248922Y (en) * | 2008-06-30 | 2009-06-03 | 陈庆强 | Built-in anti-pollution syringe |
| CN104759004A (en) * | 2015-04-28 | 2015-07-08 | 陈庆强 | Full-sealing medicine dissolving device |
| CN204840287U (en) * | 2015-07-09 | 2015-12-09 | 陈庆强 | Medicine ware is dissolved to negative pressure formula |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108524260A (en) * | 2018-03-08 | 2018-09-14 | 魏长同 | A kind of cillin bottle quantitative liquid-filling device |
| CN108524260B (en) * | 2018-03-08 | 2020-07-24 | 青岛大学附属医院 | Quantitative penicillin bottle liquid injector |
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| Publication number | Publication date |
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| CN104921943B (en) | 2017-12-19 |
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