CN102258430A - Syringe with self-executing self-destructive performance in medicament dissolving process - Google Patents
Syringe with self-executing self-destructive performance in medicament dissolving process Download PDFInfo
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- CN102258430A CN102258430A CN2010101896348A CN201010189634A CN102258430A CN 102258430 A CN102258430 A CN 102258430A CN 2010101896348 A CN2010101896348 A CN 2010101896348A CN 201010189634 A CN201010189634 A CN 201010189634A CN 102258430 A CN102258430 A CN 102258430A
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- core bar
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Abstract
The invention discloses an automatically effective syringe with self-executing self-destructive performance in a medicament dissolving process, and belongs to a medical supply. The syringe comprises a jacket (A), a needle (1), a tube (2), a core bar (3), a check piece (9) and a sealing plug (12). The syringe is characterized in that: the needle (1) is stuck together with the top of the tube (2); the core bar (3) is provided with two groups of steps, one group of steps are locking steps (4 and 5), the other group of steps are ratchet steps (6 and 7), and a section of long motion area without ratchet steps and with smooth surface is formed between the two groups of steps and is smaller than a small cylinder (14) at the external circle of the core bar; the external circle of a small cylinder of a short motion area (13) at the front section of the locking steps (4 and 5) is equal to that of the long motion area; the check piece (9) is provided with a check thorn (10) and a ratchet (11), and the check piece is arranged between the core bar and the ratchet steps (6 and 7); and the top of the core bar and the sealing plug are positioned in the tube together. The syringe is characterized in that: in the process of injecting diluent for the first time, a part of the check piece moves forwards in the tube together with the core bar, so that the check piece enters the locking steps when 80 to 85 percent of liquor of rated capacity is sucked for the second time, and the self-destructive performance is automatically effective.
Description
Technical field
The present invention relates to a kind of in molten medicine process the self-executing syringe of self-destruction performance, belong to medical syringe.
Background technology
International at present, domestic development and demand according to society, self-destruction syringe is being brought into use in more and more countries and area, and instructions for use also has nothing in common with each other.As everyone knows, general injection is divided into water preparation and powder, powder just can be injected must dilute dissolving before injection after, for achieving the above object, the patent No. is that the ZL200520103771.X and the patent No. are utility model Single-Use Auto-Disable Syringes and the disposable type self-destroyed trace input syringe of ZL200690000098.X, two sections of its structures much at one, can be used for the powder dissolving, but these two sections all can not once be extracted the diluent that satisfies rated capacity, repeat to extract the diluent that could satisfy rated capacity.Just known from figure, brought inconvenience to the medical worker, very inconvenient when especially injecting in vaccine collective, needle point repeatedly pulling and pushing in the sealing plug of peace bottle is easy to cause the needle point agnail simultaneously, is not suitable for clinical use.The 2nd of patent No. ZL200520103771.X claims [ratchet slot 11 on the push rod 4 be wall scroll or many], extract enough diluent in order to satisfy, can adopt wall scroll, can once extract the diluent that satisfies rated capacity and carry out disposable dissolving medicinal liquid, reduced the process that will repeatedly repeat to pull and push the dissolved dilution medicinal liquid as patent No. ZL200690000098.X, but this patent exists weak point equally.This patent is if quota is once taken out in design decides diluent and carry out the one-time medicine dissolving process, it can be artificial extraction repeatedly satisfy specified medicinal liquid and carry out constantly multiplely taking out the medicinal liquid that diluent and dilution finish and extracting and inject, also we can say the self-destruction syringe that is not real, be a kind of passive very important person for just making it the syringe that the self-desttruction equipment starting comes into force, otherwise say and common disposable syringe can not use much at one after splitting off core bar after finishing using.
For solving the deficiency of above two sections of patents, the self-destruction syringe that I have applied for a one-time medicine dissolving by name on June 1st, 2007, Granted publication number is CN201055566Y, this patent has realized can only an one-time medicine dissolving and a shot, that is to say that having solved above two sections of patents can repeat the reinjected deficiency of molten medicine arbitrarily, but its design is a non return part is to be assemblied in the slit of core bar, and this patent is used in a large number clinically, obtains consistent favorable comment.But it is slower that non return part is assemblied in the slit of core bar assembling speed, need be improved.
Summary of the invention
The object of the present invention is to provide a kind of molten syringe that is suitable for a kind of automatic self-destruction of an one-time medicine dissolving and a shot, the water for injection of more particularly drawing rated capacity all injects powder, when extracting whole medicinal liquids after the dilution again and treating that the medicinal liquid of rated capacity sucks, the syringe self-destroying function comes into force, carry out that syringe is automatic self-destruction behind the human injection, the self-destruction process is the number of the ratchet step on the core bar fully and places the seat distance and non return part is realized automatically in the process of suction injection.
On the other hand this a kind of in molten medicine process the self-executing syringe of self-destruction performance it is advantageous that, on the core bar distance design of 6 and 7 ratchet steps more reasonable, their distance can conveniently be installed non return part and get final product.Because it is short apart from length, its injector cartridge can be lacked simultaneously, can reduce the material of core bar and cylindrical shell.One has reduced resource, and two owing to few with material, can improve processing quantity with same injection machine and heat heat energy and electric energy with reducing in injection moulding processing, meets the requirement that global heat energy reduces discharging.
In this explanation: short more its selection of material of the distance between the core bar ratchet step 6 and 7 is few, and long more its selection of material is also many more, and for this reason, distance is unfavorable.
For realizing a kind ofly not only saving raw material but also cut down the consumption of energy, can assemble the self-destruction syringe behind the one-time medicine dissolving that raises speed simultaneously.The present invention is achieved by the following technical solutions: a kind of in molten medicine process the self-executing syringe of self-destruction performance, this syringe comprises shell portion, be bonded with needle point on the shell portion or have the needle stand of needle point, the needle point head has protective sleeve, and cylinder body outer wall is printed on black or dark graduation mark; The core bar part, this core bar is positioned at shell portion; Non return part, this non return part are installed between the core bar ratchet step 6,7, are positioned at the cylindrical shell back segment; Sealing-plug, sealing plug device are positioned at the cylindrical shell Inner Front End on the core bar head.
Aforesaid a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: the design of core bar 4 outer surfaces has two groups of ratchet steps, first group of locking step 4,5 designs are at the core bar leading portion, second group of ratchet step 6,7 designs are at the core bar back segment, one section smooth in appearance is arranged and less than the small cylinder of core bar cylindrical between two groups of ratchet steps, non return part can pulling back and forth in non return part smoothly as the outer surface of the small cylinder that do not prop up ratchet step core bar during pull in cylindrical shell for core bar, prop up the position, the end of any ratchet step of core bar as the ratchet 11 of non return part 9, when non return part was moving when core bar advanced to barrel front end thereupon the ratchet step enter barrel front end.
As previously discussed a kind of self-executing syringe of self-destruction performance in molten medicine process is characterized in that: described non return part 9 is provided with a plurality of non-returns thorns 10 and ratchet 11, and the bag abdomen is on the core bar surface.
As previously discussed a kind of self-executing syringe of self-destruction performance in molten medicine process, it is characterized in that: described sealing-plug and core bar are isolating, another kind of design is that sealing-plug and core bar are injection-moulded in one.
As previously discussed a kind of self-executing syringe of self-destruction performance in molten medicine process is characterized in that: described prong is a kind of to be directly to be bonded in the cylindrical shell top, and another kind of design is split, and needle point is bonded in and is assemblied in the cylindrical shell top on the needle stand.
As previously discussed a kind of self-executing syringe of self-destruction performance in molten medicine process, it is characterized in that: its structural principle of core bar greater than the self-destruction syringe of the one-time medicine dissolving of 1ml is identical, a kind of design is that its core bar cross section one side is circular, a circular side is provided with two rank of organizing a performance on the core bar, first group of locking step 4,5 designs are at the core bar leading portion, second group of ratchet step 6,7 designs are at the core bar back segment, another kind of design is that its both sides, opposite, core bar cross section are circular, circular both sides, opposite are equipped with two rank of organizing a performance on the core bar, first group of locking step 4,5 design at the core bar leading portion second group of ratchet step 6,7 designs are at the core bar back segment.
The present invention has compared with prior art had large increase, can satisfy clinical requirement, reaches self-destruction, can enhance productivity again.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention
Fig. 2 is bonded on the cylindrical shell for needle point, the sketch map of printing graduation mark on the outer wall
Fig. 3 is the sketch map of core bar
Fig. 4 is the expansion sketch map of non return part
Fig. 5 is the sketch map of whole use
Fig. 6 is the needle point of another kind of style, is the sketch map that is bonded on the needle stand
Fig. 7 is sealing-plug and the integrated sketch map of core bar
Fig. 8 is the sketch map greater than the high capacity core bar of 1ml
Fig. 9 is the section figure of Fig. 8
Figure 10 is the sketch map greater than the another kind of style of the high capacity core bar of 1ml
Figure 11 is to be the core bar sketch map of another kind of style equally
Figure 12 is the integrated another kind of sketch map of sealing-plug and core bar
Among the figure, A, sheath, 1, needle point, 2, cylindrical shell, 3, core bar, 4-5, locking step, 6-7, ratchet step, 8, graduation mark, 9, non return part, 10, the non-return thorn, 11, ratchet, 12, sealing-plug, 13, short moving region, 14, long moving region.
The specific embodiment
The nonrestrictive concrete structure that discloses the embodiment of the invention of accompanying drawing, the invention will be further described below in conjunction with accompanying drawing.
It comprises sheath A, needle point 1, cylindrical shell 2, core bar 3, non return part 9, sealing-plug 12 referring to Fig. 1, the present invention, and wherein needle point is directly to be bonded in the cylindrical shell top, and another kind of design needle point is bonded in a needle stand and is assemblied in the cylindrical shell top; The outer wall of cylindrical shell is printed on black or dark graduation mark; Core bar is provided with two rank of organizing a performance, first group is that locking step 4,5 is positioned at the core bar leading portion, second group is that ratchet step 6,7 is positioned at the core bar back segment, and two organize a performance one section slick long moving region 14 of no ratchet stepped outer surface between the rank, and less than the small cylinder of core bar cylindrical; Locking step 4,5 leading portions have the little circle of a short moving region 13, and cylindrical equates with long moving region; Non return part 9 is provided with non-return thorn 10 and ratchet 11, and non return part 9 usefulness elastic stainless steels are made, and non return part 9 is installed on the core bar between the ratchet step 6,7, and sealing-plug 13 is positioned at cylindrical shell 2 (see figure 1)s together on the core bar 3 top bands.
During use, take out sheath A, the first step is drawn the diluent of rated capacity, and in the imbibition process, because core bar 3 pulls back and takes out, the ratchet 11 elastic reaction principles on the non return part 9 enter long moving region 14 (seeing component B among Fig. 5) by ratchet step 6 smoothly; Second step injected the peace bottle and enters the dissolved process of Dilution for powder exhausting complete diluent in advance, ratchet 11 owing to the position, the end of withstanding ratchet step 6 with core bar 3 in cylindrical shell 2 to the segment distance that moved forward (seeing Fig. 5 component C); The 3rd medicinal liquid of step after will dissolve is during once more by the about 80-85% of rated capacity suction, this moment, non return part 9 came into force by locking step (seeing Fig. 5 component D) self-destruction performance, when the medicinal liquid that has sucked rated capacity enters the human injection, it is mobile before cylindrical shell with core bar 3 that ratchet 11 withstands locking step 4 bottoms on the non return part 9, injection finishes the back because the non-return of non return part 9 stings 10 thorns on cylindrical shell 2 inwalls, core bar 3 can not be by post-tensioning with non return part 9, and syringe can not be used again (seeing Fig. 5 component E, F).
As medicinal liquid might with during split sealing-plug 12 chemically reactives, sealing-plug 12 select for use PP, PE material directly and core bar be injection-moulded on the one as Fig. 7, capacity is selected Fig. 8, Fig. 9, Figure 10 style for use greater than the core bar of 1ml.
Claims (10)
1. self-executing syringe of self-destruction performance in molten medicine process; it comprises: shell portion; described a kind of cylindrical shell is stained with needle point on the top; another kind is that a needle stand that has needle point is arranged; and needle point has protective sleeve and is assemblied in the cylindrical shell top, and the outer wall of cylindrical shell is printed on black or dark graduation mark.
Core bar part, described core bar head are with sealing-plug and are positioned at described shell portion together
Non return part, described non return part (9) are provided with ratchet (11) and non-return thorn (10) is assemblied on the outer surface of core bar (3), is positioned at described cylindrical shell (2) simultaneously.
2. according to claim 1 a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: core bar (3) is provided with two rank of organizing a performance, first group is locking step (4,5), be positioned at the core bar leading portion, second group is ratchet step (6,7), be positioned at core bar (3) back segment.
3. according to claim 2 a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: core bar (3) last two is organized a performance one section slick long moving region of no ratchet stepped outer surface (14) between the rank, and small cylinder less than the core bar cylindrical, locking step (4,5) leading portion has the small cylinder of a short moving region (13), and cylindrical equates with long moving region.
According to claim 2,3 described a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that will lack and enough can place non return part between the ratchet step 6 and 7 of core bar (3) back segment apart from length.
5. according to claim 1,2,3,4 described a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: when the core bar that is positioned at cylindrical shell (2) and sealing-plug (12) is housed extracts the diluent of rated capacity for the first time, its non return part enters long moving region by ratchet step 6, when injecting diluent for the first time, ratchet (11) on its non return part (9) since propped up ratchet step (6) bottom non return part can be in cylindrical shell movable part, guaranteed when the second time, the rated capacity medicinal liquid was dissolved in absorption, non return part (9) by and enter the locking step (5), self-destroying function comes into force automatically.
6. according to claim 1 a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: needle point (1) has two kinds of patterns, and a kind of is directly to be bonded on the cylindrical shell top, and another kind is split, be to be bonded on the needle stand, be installed in the cylindrical shell top then.
7. according to claim 1 a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: core bar (3) and sealing-plug (12) are isolating.
8. according to claim 1 a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: core bar (3) and sealing-plug (12) are the injection moulding all-in-one-pieces.
According to claim 1,2 described a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: greater than the jumbo core bar of 1ml, its core bar one side is circular, a circular side is provided with two rank of organizing a performance on the core bar, first group of locking step 4,5 design is at the core bar leading portion, and second group of ratchet step 6,7 design is at the core bar back segment.
According to claim 1,2 described a kind of in molten medicine process the self-executing syringe of self-destruction performance, it is characterized in that: greater than the jumbo core bar of 1ml, its both sides, opposite, core bar cross section are circular, circular both sides, opposite are equipped with two rank of organizing a performance on the core bar, first group of locking step 4,5 design is at the core bar leading portion, and second group of ratchet step 6,7 design is at the core bar back segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101896348A CN102258430A (en) | 2010-05-23 | 2010-05-23 | Syringe with self-executing self-destructive performance in medicament dissolving process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101896348A CN102258430A (en) | 2010-05-23 | 2010-05-23 | Syringe with self-executing self-destructive performance in medicament dissolving process |
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| Publication Number | Publication Date |
|---|---|
| CN102258430A true CN102258430A (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101896348A Pending CN102258430A (en) | 2010-05-23 | 2010-05-23 | Syringe with self-executing self-destructive performance in medicament dissolving process |
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| CN (1) | CN102258430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405834A (en) * | 2013-08-10 | 2013-11-27 | 江苏康友医用器械有限公司 | Self-destructive disposable syringe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457901A (en) * | 2003-06-18 | 2003-11-26 | 无锡市宇寿医疗器械有限公司 | Disposable self-destructive syringe |
| CN2873231Y (en) * | 2005-08-16 | 2007-02-28 | 冯忠 | Disposable self destroy injector |
| CN201055566Y (en) * | 2007-06-01 | 2008-05-07 | 冯忠 | One-time medicine dissolving self-destructing injection syringe |
| CN101249291A (en) * | 2008-02-04 | 2008-08-27 | 房东森 | Safety syringe |
-
2010
- 2010-05-23 CN CN2010101896348A patent/CN102258430A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457901A (en) * | 2003-06-18 | 2003-11-26 | 无锡市宇寿医疗器械有限公司 | Disposable self-destructive syringe |
| CN2873231Y (en) * | 2005-08-16 | 2007-02-28 | 冯忠 | Disposable self destroy injector |
| CN201055566Y (en) * | 2007-06-01 | 2008-05-07 | 冯忠 | One-time medicine dissolving self-destructing injection syringe |
| CN101249291A (en) * | 2008-02-04 | 2008-08-27 | 房东森 | Safety syringe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405834A (en) * | 2013-08-10 | 2013-11-27 | 江苏康友医用器械有限公司 | Self-destructive disposable syringe |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 214191 No. 215, Tin Road, Northeast Tong Town, Wuxi, Jiangsu Applicant after: Wuxi Yushou Medical Appliances Co., Ltd. Address before: 214191 No. 215, Tin Road, Northeast Tong Town, Wuxi, Jiangsu Applicant before: Wuxi Yushou Medical Apparatus Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: WUXI YUSHOU MEDICAL APPARATUS CO., LTD. TO: WUXI YUSHOU MEDICAL DEVICES CO., LTD. |
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Application publication date: 20111130 |