CN203139289U - Safe auto-disable syringe - Google Patents
Safe auto-disable syringe Download PDFInfo
- Publication number
- CN203139289U CN203139289U CN 201320140966 CN201320140966U CN203139289U CN 203139289 U CN203139289 U CN 203139289U CN 201320140966 CN201320140966 CN 201320140966 CN 201320140966 U CN201320140966 U CN 201320140966U CN 203139289 U CN203139289 U CN 203139289U
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- syringe
- self
- destruction
- tabletting
- needle
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Abstract
The utility model relates to the technical field of medical apparatuses and instruments, in particular to a safe auto-disable syringe. The safe auto-disable syringe comprises an injection needle cylinder and a syringe needle. The syringe needle is connected at the front end of the injection needle cylinder in a sleeved mode. The needle cylinder wall of the injection needle cylinder is connected with a safe auto-disable device which comprises an auto-disable pressing sheet, a sharpening device which is used for piercing the needle cylinder wall is arranged at the rear end of the auto-disable pressing sheet, by aid of the auto-disable pressing sheet, the sharpening device can pierce and destroy the needle cylinder wall at any time so that the purpose of self-destroying of the syringe can be achieved, and reuse can not be achieved. A safety device is arranged at the front end of the auto-disable pressing sheet, after injection is completed, the auto-disable pressing sheet drives the safety device by sliding, the safety device enables the syringe needle to be stored into a telescopic sleeved bar or taken apart, so that the fact that the syringe needle accidentally injures or infects personnel is avoided, and classification collection or classification destruction after use can be achieved conveniently. The safe auto-disable syringe is simple in structure, low in manufacturing cost, convenient to use, and good in safe auto-disable effect and protecting effect.
Description
Technical field
This utility model relates to technical field of medical instruments, refers in particular to a kind of safety, self-destruction syringe.
Background technology
Syringe is apparatus commonly used in the medical treatment, traditional syringe has following shortcoming: l, owing to finish using syringe needle still on syringe, there is not protection in the category set of bad implementation metal and plastics yet, the collection of medical waste, transport and processing procedure in accidentally injure the staff easily, cause pathophoresis; 2, because traditional disposable syringe can not damage after using voluntarily, and some lawless persons collect the disposable syringe repeated use of using for trying to gain sudden huge profits, serious harm patient's health.
Above shortcoming in view of conventional syringe, many countries made laws require to promote the use of can safety, the disposable syringe of self-destruction, also carried out the exploitation of Related product in China, but safety self-destructing syringe in the market has the following disadvantages mostly: l, complex structure, higher to technological requirement, assembly difficulty is bigger, thereby causes manufacturing cost to increase, influence popularization clinically.2, adopt needle holder to link to each other with syringe more, use the back syringe needle to regain in the syringe together with needle holder, be inconvenient to classify and reclaim or the classification destruction, most important syringe still can use in preventing from after the processing reusing, and produces a lot of hidden danger, inadequately safety.In view of above reason, existing safety self-destructing syringe popularization clinically is unsatisfactory at present.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, convenient production and use at the deficiencies in the prior art, and can realize the syringe of safety self-destruct.
For achieving the above object, a kind of safety of the present utility model, self-destruction syringe, comprise syringe cylinder and syringe needle, described pinhead sleeve is connected to the front end of syringe cylinder, the needle cylinder wall of described syringe cylinder is connected with safe self-destruction device, described safe self-destruction device comprises the self-destruction tabletting, and the rear end of described self-destruction tabletting is provided be used to the sharp-pointed device that pierces through needle cylinder wall.
As preferably, the needle cylinder wall of described syringe cylinder is provided with slide rail, and described self-destruction tabletting is slidingly connected to described slide rail, and the front end of described self-destruction tabletting also is provided with safety device.
As preferably, described self-destruction tabletting arranges hold-fast ring, and the self-destruction tabletting is slidingly connected to the needle cylinder wall of syringe cylinder by hold-fast ring, and the front end of described self-destruction tabletting also is provided with safety device.
As preferably, described safety device comprises the telescopic sleeving rod for the protection of syringe needle, described telescopic sleeving rod inner hollow, and described syringe needle is positioned at the inside of telescopic sleeving rod; One end of described telescopic sleeving rod is connected in syringe cylinder, and the other end of described telescopic sleeving rod is connected in the self-destruction tabletting.
As preferably, described telescopic sleeving rod be internally connected with spring, the junction of described self-destruction tabletting and telescopic sleeving rod is provided with the trigger switch of the described spring of chucking.
As preferably, described safety device comprises that one end of described syringe needle push pedal is connected to the root of syringe needle for the syringe needle push pedal of dismounting syringe needle, and the other end of described syringe needle push pedal is connected with the self-destruction tabletting.
As preferably, the front end of described syringe needle push pedal is provided be used to the annular boss that sticks into the syringe needle root, and annular boss is provided with chamfering.
As preferably, described outer tube wall is provided with and pierces through groove, describedly pierces through the below that the groove correspondence is arranged at described sharp-pointed device.
As preferably, described sharp-pointed device is triangle tip, conical tip or zigzag tip; Described triangle tip or conical tip are provided with back-off.
As preferably, described self-destruction tabletting offers be used to preventing that telescopic sleeving rod from launching the shell fragment of back retraction.
The beneficial effects of the utility model: a kind of safety, self-destruction syringe, the rear end of self-destruction tabletting is provided be used to the sharp-pointed device that pierces through needle cylinder wall, make sharp-pointed device can pierce through the destruction needle cylinder wall at any time by compressing self-destruction tabletting, make syringe reach the purpose of self-destruction, can't reuse; The front end of self-destruction tabletting is provided with safety device, after injection finishes, drives safety device by slip self-destruction tabletting, syringe needle is taken in telescopic sleeving rod or disassembles, and avoids syringe needle to personnel's accidental injury or infection, and the classification after easy to use is reclaimed or classification is destroyed; Safety of the present utility model, self-destruction syringe are not only simple in structure, low cost of manufacture, and convenient produce and use, and safety self-destruct, protection effect are good.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the Section View along A-A line among Fig. 1.
Fig. 3 is the Section View along B-B line among Fig. 1.
Fig. 4 is the structural representation before this utility model embodiment 1 uses.
Fig. 5 is the structural representation after this utility model embodiment 1 uses.
Fig. 6 is the structural representation of this utility model embodiment 2.
Fig. 7 is the Section View along C-C line among Fig. 6.
Fig. 8 is the zoomed-in view at G place among Fig. 7.
Fig. 9 is the Section View along D-D line among Fig. 6.
Figure 10 is another structural representation of this utility model embodiment 2.
Figure 11 is the structural representation of this utility model embodiment 3.
Figure 12 is the Section View along E-E line among Figure 11.
Figure 13 is the Section View along F-F line among Figure 11.
Figure 14 is another structural representation of this utility model embodiment 3.
Figure 15 is the internal structure cut-away illustration of this utility model embodiment 4.
The structural representation that Figure 16 does not launch for this utility model embodiment 5 telescopic sleeving rods.
Another structural representation that Figure 17 does not launch for this utility model embodiment 5 telescopic sleeving rods.
Figure 18 is the structural representation after this utility model embodiment 5 telescopic sleeving rods launch.
Figure 19 is another structural representation after this utility model embodiment 5 telescopic sleeving rods launch.
Reference numeral comprises:
1-syringe cylinder, 11-needle cylinder wall, 2-syringe needle
31-self-destruction tabletting 32-sharply install, 4-slide rail
51-telescopic sleeving rod, 52-syringe needle push pedal, 53-annular boss
6-pierce through groove 7-groove 8-spring
9-hold-fast ring, 91-shell fragment.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described in detail.
Extremely shown in Figure 5 as Fig. 1, a kind of safety of the present utility model, self-destruction syringe, comprise syringe cylinder 1 and syringe needle 2, described syringe needle 2 is socketed on the front end of syringe cylinder 1, the needle cylinder wall 11 of described syringe cylinder 1 is connected with safe self-destruction device, described safe self-destruction device comprises self-destruction tabletting 31, and the rear end of described self-destruction tabletting 31 is provided be used to the sharp-pointed device 32 that pierces through needle cylinder wall 11.When user is finished action of injection, the sharp-pointed device 32 of self-destruction tabletting 31 rear ends can be depressed towards syringe cylinder 1 direction, sharply install 32 and needle cylinder wall 11 can be pierced through, make syringe reach the purpose of self-destruction, can't reuse.Safety self-destructing syringe of the present utility model is simple in structure, assemble simple and easy, thereby reduce manufacturing cost, make things convenient for marketing.
As preferably, described needle cylinder wall 11 is provided with and pierces through groove 6, describedly pierces through the below that groove 6 correspondences are arranged at described sharp-pointed device 32.When needle cylinder wall 11 is provided with when piercing through groove 6, the wall thickness that pierces through groove 6 places is thinner, is convenient to sharp-pointed device 32 and pierces through needle cylinder wall 11, uses more laborsaving.
Present embodiment pierce through groove 6 along the sliding trajectory setting of sharp-pointed device 32, can be designed to the short groove of unistage type elongated slot or multisection type, the unistage type elongated slot can satisfy any point of user at place, elongated slot position and pierce through, and allows syringe realize self-destruction; The short groove of multisection type can allow user realize piercing through in fixing groove position.
The needle cylinder wall 11 of the syringe cylinder 1 of present embodiment is provided with slide rail 4, and described self-destruction tabletting 31 is slidingly connected to described slide rail 4.The self-destruction tabletting 31 of present embodiment is that the extension by self both sides is connected in slide rail 4 inboards on the needle cylinder wall 11, and self-destruction tabletting 31 can be free to slide along slide rail 4.The front end of described self-destruction tabletting 31 also is provided with safety device, and the syringe that makes present embodiment not only can self-destruction, syringe needle 2 income telescopic sleeving rods 51 can also be avoided 2 couples of personnel's of syringe needle accidental injury, and the recovery of being convenient to after syringe uses is destroyed.
Described safety device comprises the telescopic sleeving rod 51 for the protection of syringe needle 2, described telescopic sleeving rod 51 inner hollow, and described syringe needle 2 is positioned at the inside of telescopic sleeving rod 51; One end of described telescopic sleeving rod 51 is connected in syringe cylinder 1, and the other end of described telescopic sleeving rod 51 is connected in self-destruction tabletting 31.When user is finished action of injection; can promote self-destruction tabletting 31 along track; self-destruction tabletting 31 drives telescopic sleeving rod 51 and stretches in mobile process; until telescopic sleeving rod 51 whole syringe needle 2 is surrounded and to protect; avoid 2 couples of personnel's of syringe needle accidental injury; classification after easy to use is reclaimed or classification is destroyed, and prophylactic infection.After telescopic sleeving rod 51 was pushed to the end, the sharp-pointed device 32 on the self-destruction tabletting 31 was positioned at and pierces through groove 6 tops, and this moment, user was pressed self-destruction tabletting 31, sharply installed 32 and can pierce through needle cylinder wall 11, made syringe finish self-destruction.
Described sharp-pointed device 32 is triangle tip, conical tip or zigzag tip, and the zigzag tip makes needle cylinder wall 11 be pierced out bigger opening, strengthens the degree of self-destruction.Triangle tip or the conical tip of present embodiment are provided with back-off, when self-destruction tabletting 31 is pressed, when triangle tip or conical tip pierce through needle cylinder wall 11, because self-destruction tabletting 31 has certain rebound effect power, make self resilience recovery.For avoiding the resilience of self-destruction tabletting 31, after triangle tip or conical tip pierced through needle cylinder wall 11, back-off can tighten needle cylinder wall 11, made the self-destruction tabletting 31 can not resilience, had strengthened the degree of self-destruction equally.And can locate and lock telescopic sleeving rod 51, and better protection syringe needle 2 avoids extraneous pressure to cross ambassador's telescopic sleeving rod 51 retractions, and exposed needle 2 is accidentally injured.
As preferably, the cross section of the self-destruction tabletting 31 of present embodiment is circular arc, and the surface of described self-destruction tabletting 31 is provided with anti-skidding stricture of vagina, and the self-destruction tabletting 31 of circular arc can cooperate the radian of syringe cylinder 1, allow the structure of syringe become compacter, and meet the sense of holding of palm.The anti-skidding stricture of vagina on self-destruction tabletting 31 surfaces can increase the frictional force between finger and the self-destruction tabletting 31, makes things convenient for the passing of self-destruction tabletting 31.
Further, the bottom of the syringe cylinder 1 of present embodiment offers for the groove 7 of placing the medical filtration module.The medical filtration module can be filtered the contaminant particles in syringe and the medicinal liquid, and it is more safe and reliable that syringe of the present utility model is used.
Extremely shown in Figure 10 as Fig. 6, the difference of present embodiment and embodiment 1 is: described safety device comprises the syringe needle push pedal 52 for dismounting syringe needle 2, one end of described syringe needle push pedal 52 is connected to the root of syringe needle 2, and the other end of described syringe needle push pedal 52 is connected with self-destruction tabletting 31.When user is finished action of injection, finger push self-destruction tabletting 31, it is mobile forward that self-destruction tabletting 31 drives syringe needle push pedal 52, and the syringe needle 2 that syringe needle push pedal 52 further will be socketed on syringe cylinder 1 front end disassembles.Syringe needle 2 separates with syringe cylinder 1, can avoid 2 couples of personnel's of syringe needle accidental injury equally, is convenient to the recovery after syringe uses, and prophylactic infection.
After syringe needle 2 was pushed out, the sharp-pointed device 32 on the self-destruction tabletting 31 was positioned at and pierces through groove 6 tops, and this moment, user was pressed self-destruction tabletting 31, sharply installed 32 and can pierce through needle cylinder wall 11, made syringe finish self-destruction, can't reuse.
As preferably, the front end of the syringe needle push pedal 52 of present embodiment is provided be used to the annular boss 53 that sticks into syringe needle 2 roots, and annular boss 53 is provided with chamfering.When user promoted self-destruction tabletting 31, syringe needle push pedal 52 sticked into the root of syringe needle 2 with annular boss 53, syringe needle 2 easier quilts is pushed away fall.
The remainder of present embodiment is identical with embodiment 1, repeats no more here.
Embodiment 3.
Extremely shown in Figure 14 as Figure 11, the difference of present embodiment and embodiment 1 is: the slide block of self-destruction tabletting 31 is arranged at the below of self-destruction tabletting 31, when slide block is slidably connected to slide rail 4, can increase the distance between self-destruction tabletting 31 and the needle cylinder wall 11, sharp-pointed device 32 sizes that are positioned at self-destruction tabletting 31 belows can be done more, intensity is higher, is convenient to user and pierces through needle cylinder wall 11.Further, the sharp-pointed device 32 of present embodiment can adopt high duty metal to make, and with self-destruction tabletting 31 integrated injection moldings or packing, sharp-pointed device 32 is had better pierces through intensity.
Described slide rail 4 can be designed to multisection type, and the slide rail 4 of present embodiment is designed to two sections, and user is pressed self-destruction tabletting 31 in position earlier outer tube wall 11 is pierced through after injection is finished, and then self-destruction tabletting 31 is released, and drives telescopic sleeving rod 51 syringe needle 2 is surrounded protection.Also can be pushed between two sections and locate sharply installing 32, press self-destruction tabletting 31 again outer tube wall 11 is pierced through.
The remainder of present embodiment is identical with embodiment 1, repeats no more here.
As shown in figure 15, the difference of present embodiment and embodiment 1 is: described telescopic sleeving rod 51 be internally connected with spring 8, described self-destruction tabletting 31 and the junction of telescopic sleeving rod 51 are provided with the trigger switch of the described spring 8 of chucking.The syringe of present embodiment is the trigger switch that triggers garter springs 8 by promotion self-destruction tabletting 31, and after trigger switch unclamped compacted spring 8, telescopic sleeving rod 51 extended outward under the effect of spring force, and syringe needle 2 is surrounded protection.Behind telescopic sleeving rod 51 to be injected the finishing of present embodiment, triggered by user control, eject automatically, easy to use light.
The remainder of present embodiment is identical with embodiment 1, repeats no more here.
Embodiment 5.
To shown in Figure 19, the difference of present embodiment and embodiment 4 is: described self-destruction tabletting 31 arranges hold-fast ring 9 as Figure 16, and self-destruction tabletting 31 is slidingly connected to the needle cylinder wall 11 of syringe cylinder 1 by hold-fast ring 9.The syringe cylinder 1 of present embodiment need not to increase slide rail 4, has simplified the structure of syringe cylinder 1.By increasing hold-fast ring 9 at self-destruction tabletting 31, hold-fast ring 9 forms the annulus that can be socketed on needle cylinder wall 11 with self-destruction tabletting 31, can realize that equally self-destruction tabletting 31 and needle cylinder wall 11 are slidingly connected, and is simple in structure and solid.
Further, described self-destruction tabletting 31 offers be used to preventing that telescopic sleeving rod 51 from launching the shell fragment 91 of back retraction, described shell fragment 91 is connected in the step between syringe cylinder 1 and the telescopic sleeving rod 51, when needle cylinder injection finishes, self-destruction tabletting 31 pushes away forward, shell fragment 91 just is connected in the step between syringe cylinder 1 and the telescopic sleeving rod 51 automatically, prevents that telescopic sleeving rod 51 from launching the back retraction, is convenient to the recovery of syringe later stage.
The remainder of present embodiment is identical with embodiment 4, repeats no more here.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a safety, self-destruction syringe, comprise syringe cylinder and syringe needle, described pinhead sleeve is connected to the front end of syringe cylinder, it is characterized in that: the needle cylinder wall of described syringe cylinder is connected with safe self-destruction device, described safe self-destruction device comprises the self-destruction tabletting, and the rear end of described self-destruction tabletting is provided be used to the sharp-pointed device that pierces through needle cylinder wall.
2. safety according to claim 1, self-destruction syringe, it is characterized in that: the needle cylinder wall of described syringe cylinder is provided with slide rail, and described self-destruction tabletting is slidingly connected to described slide rail, and the front end of described self-destruction tabletting also is provided with safety device.
3. safety according to claim 1, self-destruction syringe, it is characterized in that: described self-destruction tabletting arranges hold-fast ring, and the self-destruction tabletting is slidingly connected to the needle cylinder wall of syringe cylinder by hold-fast ring, and the front end of described self-destruction tabletting also is provided with safety device.
4. according to claim 2 or 3 described safety, self-destruction syringe, it is characterized in that: described safety device comprises the telescopic sleeving rod for the protection of syringe needle, described telescopic sleeving rod inner hollow, and described syringe needle is positioned at the inside of telescopic sleeving rod; One end of described telescopic sleeving rod is connected in syringe cylinder, and the other end of described telescopic sleeving rod is connected in the self-destruction tabletting.
5. safety according to claim 4, self-destruction syringe is characterized in that: described telescopic sleeving rod be internally connected with spring, the junction of described self-destruction tabletting and telescopic sleeving rod is provided with the trigger switch of the described spring of chucking.
6. safety according to claim 4, self-destruction syringe, it is characterized in that: described safety device comprises the syringe needle push pedal for the dismounting syringe needle, one end of described syringe needle push pedal is connected to the root of syringe needle, and the other end of described syringe needle push pedal is connected with the self-destruction tabletting.
7. safety according to claim 6, self-destruction syringe, it is characterized in that: the front end of described syringe needle push pedal is provided be used to the annular boss that sticks into the syringe needle root, and annular boss is provided with chamfering.
8. safety according to claim 1, self-destruction syringe, it is characterized in that: described outer tube wall is provided with and pierces through groove, describedly pierces through the below that the groove correspondence is arranged at described sharp-pointed device.
9. safety according to claim 8, self-destruction syringe, it is characterized in that: described sharp-pointed device is triangle tip, conical tip or zigzag tip;
Described triangle tip or conical tip are provided with back-off.
10. safety according to claim 4, self-destruction syringe is characterized in that: described self-destruction tabletting offers be used to preventing that telescopic sleeving rod from launching the shell fragment of back retraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140966 CN203139289U (en) | 2013-03-26 | 2013-03-26 | Safe auto-disable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140966 CN203139289U (en) | 2013-03-26 | 2013-03-26 | Safe auto-disable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203139289U true CN203139289U (en) | 2013-08-21 |
Family
ID=48966851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140966 Expired - Lifetime CN203139289U (en) | 2013-03-26 | 2013-03-26 | Safe auto-disable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203139289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127589A (en) * | 2013-03-26 | 2013-06-05 | 魏颖德 | Safety self-destruction syringe |
| CN103405829A (en) * | 2013-08-22 | 2013-11-27 | 昆山振天智能化设备有限公司 | Novel rainproof device for needle-free injector |
-
2013
- 2013-03-26 CN CN 201320140966 patent/CN203139289U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127589A (en) * | 2013-03-26 | 2013-06-05 | 魏颖德 | Safety self-destruction syringe |
| CN103127589B (en) * | 2013-03-26 | 2015-04-29 | 魏颖德 | Safety self-destruction syringe |
| CN103405829A (en) * | 2013-08-22 | 2013-11-27 | 昆山振天智能化设备有限公司 | Novel rainproof device for needle-free injector |
| CN103405829B (en) * | 2013-08-22 | 2015-02-11 | 昆山振天智能化设备有限公司 | Novel rainproof device for needle-free injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150429 |