CN203989297U - A kind of insulin syringe - Google Patents
A kind of insulin syringe Download PDFInfo
- Publication number
- CN203989297U CN203989297U CN201420478363.1U CN201420478363U CN203989297U CN 203989297 U CN203989297 U CN 203989297U CN 201420478363 U CN201420478363 U CN 201420478363U CN 203989297 U CN203989297 U CN 203989297U
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- push rod
- urceolus
- inner cylinder
- push
- external screw
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Abstract
This utility model provides a kind of insulin syringe, its technical essential is, comprise syringe body, syringe body comprises that Inner cylinder, sheathed urceolus and slip are outer tube arranged at the push rod in inner core, Inner tube outer surface is provided with external screw thread, on outer tube inner wall, be provided with the female thread coordinating with Inner cylinder external screw thread, and Inner cylinder and urceolus coordinate by female thread and external screw thread rotation, on the outer wall of push rod, be provided with vertically scale.With urceolus, Inner cylinder and push rod body directly as dosage governor motion, make this utility model inside not have comparatively complicated mechanical mechanism, naturally also can reduce error rate simultaneously, simplified greatly popular in the market insulin injection pen, and urceolus and Inner cylinder all adopt transparent plastic or clear glass, not only reduce manufacturing cost, but also can recognize clearly inner ejection situation.
Description
Technical field
This utility model relates to a kind of syringe, and in particular, it relates to a kind of low-cost insulin syringe simple in structure.
Technical background
Diabetes patient often need to carry out liquid medicine injection to oneself in different occasions, and common patient is both inconvenient and can not effectively reach accurate medication in using the process of old-fashioned disposable syringe, has brought inconvenience to a lot of people.Therefore on market, there is at present a kind of insulin injection pen, this is by well having solved with coordinating of insulin pen-cartridge the problem that patient injects voluntarily, insulin pen-cartridge is the bottle that insulin is housed, while utilizing novopen injection, as long as this insulin pen-cartridge is directly installed in insulin injection pen, by dosage, regulate again, the one end that just can utilize the push rod on insulin injection pen to push away insulin pen-cartridge, injection of insulin is entered in human body, simple to operate, degree of accuracy is relatively high, and as long as just can continue next time to use after changing syringe needle, solved most people's problem of insulin injection voluntarily.Yet this insulin injection pen also exists some defects, in simple to operate, its internal regulation mechanism is more complicated relatively, some user are not perhaps also known its internal dose adjustment structure, while using this insulin injection pen to regulate dosage, user can only be to judge dosage by the numeral on dosage display window, can not see intuitively the own dosage that will inject, therefore the time one is of a specified duration, under the impact of some factor, can cause dosage to regulate inaccurate, the phenomenon that actual injection volume is not corresponding with the numeral on dosage display window, and now user is also ignorant, so just, can bring disadvantageous consequence to user, and due to this manufacturing issue, its price is higher relatively.
Utility model content
For the deficiencies in the prior art, it is a kind of simple in structure that this utility model provides, and dosage control is accurate, low-cost insulin syringe.
For achieving the above object, this utility model is set to: a kind of insulin syringe, comprise syringe body, syringe body comprises that Inner cylinder, sheathed urceolus and slip are outer tube arranged at the push rod in inner core, Inner tube outer surface is provided with external screw thread, on outer tube inner wall, be provided with the female thread coordinating with Inner cylinder external screw thread, and Inner cylinder and urceolus coordinate by female thread and external screw thread rotation, on the outer wall of push rod, be provided with vertically scale.
By adopting technique scheme, push rod is filled in Inner cylinder, screw thread on Inner cylinder coordinates through row internal and external threads with the female thread in urceolus, by coordinating, can make urceolus and Inner cylinder relative motion, when urceolus and Inner cylinder are engaged on diverse location by external screw thread and female thread rotation, scale on the corresponding push rod of urceolus is different, by pushing away cap, coordinate with the section radius of urceolus again, just insulin pen-cartridge has been played to dosage and regulated the effect of injecting, with urceolus, Inner cylinder and push rod body are directly as dosage governor motion, make this utility model simple in structure, simplified greatly popular in the market insulin injection pen, and urceolus and Inner cylinder all adopt transparent plastic or clear glass, not only reduced manufacturing cost, but also can recognize clearly inner ejection situation.
This utility model is further set to, the end, one end of push rod has been wholely set and has pushed away cap, described push rod comprises coaxial inner push-rod and the outer push rod arranging of one, outer push rod is set in outside inner push-rod, the other end marginal position that extrapolation pole pair should push away cap is provided with rubber ring, rubber ring is between outer push rod and inner core, and the other end end that inner push-rod correspondence pushes away cap is provided with rubber piston.
By adopting technique scheme, it is for the convenient push rod that promotes that setting pushes away cap, on push rod, rubber ring is set outside, for push rod is in Inner cylinder, by contacting of rubber ring and Inner cylinder inwall, can comparatively firm being connected together, it is in order to contact with insulin pen-cartridge that inner push-rod is set, and promotes insulin make it enter human body by rubber stopper.
This utility model is further set to, and pushes away the rounded or oval setting in cap cross section, and the major semiaxis that pushes away the radius in cap cross section or push away cap cross section is all greater than the radius in urceolus cross section.
By adopting technique scheme, rounded or the oval setting in cross section, the propelling movement of not only attractive in appearance but also comfortable push rod, the major semiaxis that pushes away the radius of cap or push away cap is all greater than the radius of urceolus, and this is arranged on has adjusted after dosage, injection that can very convenient user, user does not need constantly to pay close attention to the scale on push rod, as long as after the amount of being expelled to, because the radius of urceolus is less, can stop push rod to continue to push downwards, prevent the too much or very few phenomenon of dosage injection.
This utility model is further set to, and urceolus and Inner cylinder all adopt transparent plastic or transparent glass material to make.
By adopting technique scheme, adopt above-mentioned material, not only reduce production cost, and adopted transparent material, can see clearly inner ejection situation, exempted the unwitting phenomenon of user.
Compared with prior art, the utility model has the advantage of: the external screw thread on Inner cylinder and the female thread in urceolus are through row threaded engagement, by coordinating, can make urceolus and Inner cylinder relative motion, when urceolus and Inner cylinder on diverse location when row external screw thread and female thread rotation coordinate, scale on the corresponding push rod of urceolus is different, by pushing away cap, coordinating with the section radius of urceolus, just insulin pen-cartridge has been played to dosage regulating action, with urceolus, Inner cylinder and push rod body are directly as dosage governor motion, make this utility model inside not have comparatively complicated mechanical mechanism, naturally also can reduce error rate simultaneously, simplified greatly popular in the market insulin injection pen, and urceolus and Inner cylinder all adopt transparent plastic or clear glass, not only reduced manufacturing cost, but also can recognize clearly inner ejection situation.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of this utility model insulin syringe;
Fig. 2 is the schematic cross-section of push rod in this utility model injection of insulin;
Fig. 3 is the schematic cross-section of urceolus in this utility model injection of insulin;
Fig. 4 is the schematic cross-section of Inner cylinder in this utility model injection of insulin;
Fig. 5 is the schematic cross-section of insulin pen-cartridge in this utility model injection of insulin.
Reference numeral: 1, urceolus; 2, push away cap; 3, Inner cylinder; 4, female thread; 5, insulin pen-cartridge; 6, outer push rod; 7, inner push-rod; 8, rubber ring; 9, external screw thread; 10, rubber stopper.
concrete implementation content
Referring to figs. 1 through Fig. 5, this utility model insulin syringe is further illustrated.
A kind of insulin syringe, comprise syringe body, syringe body comprises Inner cylinder 3, be sheathed on the push rod that urceolus 1 outside Inner cylinder 3 and rotatable movement are arranged at Inner cylinder 3 inside, Inner cylinder 3 outer surfaces are provided with external screw thread 9, urceolus 1 inside is provided with the female thread 4 coordinating with Inner cylinder 3 external screw threads 9, is provided with vertically scale on push rod.Push rod is filled in Inner cylinder 3, external screw thread 9 on Inner cylinder 3 and the female thread 4 in urceolus 1 are through row threaded engagement, by screw thread rotation, coordinate and can make urceolus 1 and Inner cylinder 3 relative motioies, in relative motion, because push rod correspondence pushes away one end end face of cap and is set to zero graduation line, so the scale on the corresponding push rod of urceolus 1 is the regulated quantity of dosage.In the end, one end of push rod, be provided with cross section for the oval or circular cap 2 that pushes away, push rod body is provided with inner push-rod 7 and outer push rod 6, it is by pushing away cap 2, to promote push rod in order to be conducive to that setting pushes away cap 2, push away the section radius of cap 2 or the section radius that major semiaxis is all greater than urceolus 1 simultaneously, this is arranged on has adjusted after dosage, injection that can very convenient user, user does not need constantly to pay close attention to the scale on push rod, as long as after the amount of being expelled to, because the radius of urceolus 1 is less, can stop push rod to continue to push downwards, prevented the too much or very few phenomenon of dosage injection, therefore just insulin pen-cartridge has been played to dosage regulating action, this hommization arranges the good user that solved and injects voluntarily inconvenient problem.Outer push rod 6 is set for stablizing interconnect function with Inner cylinder 3, inner push-rod 7 is for contacting with insulin pen-cartridge 5, and the other end that pushes away cap in inner push-rod 7 correspondences is provided with rubber stopper 10, by rubber stopper 10, contacts with insulin pen-cartridge 5, thereby promote insulin fluid, make it enter human body, complete injection.The other end marginal position that outer push rod 6 correspondences push away cap 2 is provided with rubber ring 8, because rubber ring 8 has certain toughness and frictional property, so by contacting of rubber ring 8 and Inner cylinder 3 inwalls, can be comparatively firm make together with push rod and 3 connections of Inner cylinder are matched with, improved practicality.Scale is arranged at outer push rod 6 surfaces, one end of scale corresponding rubber ring from the one end with pushing away cap 2 to push rod increases successively, be that one end end face that push rod correspondence pushes away cap 2 is set to zero graduation line, after the preorder work such as bubble of degassing complete in injection, one end that urceolus 1 correspondence is pushed away to cap 2 is close to and is pushed away cap 2 and arrange, aim at the zero graduation line on push rod, just with the dosage of injection, directly urceolus 1 is rotated to the scale on corresponding push rod, just start injection subsequently, simple to operate understandable, error rate is low.Urceolus 1 and Inner cylinder 3 all adopt transparent plastic or transparent glass material to make, and adopt above-mentioned material, have not only reduced production cost, and adopt transparent material, can see clearly inner ejection situation, have exempted the unwitting phenomenon of user.Above-mentioned for whole installation urceolus 1, Inner cylinder 3 and push rod body directly as dosage governor motion, make this utility model inside not have comparatively complicated mechanical mechanism, simultaneously naturally also can reduce error rate, simplify greatly popular in the market insulin injection pen.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under this utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under this utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an insulin syringe, comprise syringe body, it is characterized in that: described syringe body comprises that Inner cylinder, sheathed urceolus and slip are outer tube arranged at the push rod in inner core, described Inner tube outer surface is provided with external screw thread, on described outer tube inner wall, be provided with the female thread coordinating with Inner cylinder external screw thread, and described Inner cylinder coordinates by female thread and external screw thread rotation with urceolus, is provided with vertically scale on the outer wall of described push rod.
2. insulin syringe according to claim 1, it is characterized in that: the end, one end of described push rod is provided with and pushes away cap, described push rod comprises inner push-rod and the outer push rod of coaxial setting, outer push rod is set in outside inner push-rod, the other end marginal position that described extrapolation pole pair should push away cap is provided with rubber ring, described rubber ring is between outer push rod and inner core, and the other end end that described inner push-rod correspondence pushes away cap is provided with rubber piston.
3. insulin syringe according to claim 2, is characterized in that: described in push away the rounded or oval setting in cap cross section, and described in the major semiaxis that pushes away the radius in cap cross section or push away cap cross section be all greater than the radius in urceolus cross section.
4. according to the insulin syringe described in any one in claim 1-3, it is characterized in that: described urceolus and Inner cylinder all adopt transparent plastic or transparent glass material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478363.1U CN203989297U (en) | 2014-08-22 | 2014-08-22 | A kind of insulin syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478363.1U CN203989297U (en) | 2014-08-22 | 2014-08-22 | A kind of insulin syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203989297U true CN203989297U (en) | 2014-12-10 |
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ID=52029381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478363.1U Active CN203989297U (en) | 2014-08-22 | 2014-08-22 | A kind of insulin syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203989297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993565A (en) * | 2019-06-26 | 2022-01-28 | 赛诺菲 | Injection device with fill level indicator |
-
2014
- 2014-08-22 CN CN201420478363.1U patent/CN203989297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993565A (en) * | 2019-06-26 | 2022-01-28 | 赛诺菲 | Injection device with fill level indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 246400 Anqing, Taihu Province Economic Development Zone, Guanyin Road, No. 2, No. Patentee after: Hongyu Anhui Wuzhou medical instrument Limited by Share Ltd Address before: 246400 Anqing, Taihu Province Economic Development Zone, Guanyin Road, No. 2, No. Patentee before: ANHUI HONGYU WUZHOU MEDICAL EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |