CN201161029Y - Automatically shrinking safety syringe - Google Patents
Automatically shrinking safety syringe Download PDFInfo
- Publication number
- CN201161029Y CN201161029Y CNU200820018112XU CN200820018112U CN201161029Y CN 201161029 Y CN201161029 Y CN 201161029Y CN U200820018112X U CNU200820018112X U CN U200820018112XU CN 200820018112 U CN200820018112 U CN 200820018112U CN 201161029 Y CN201161029 Y CN 201161029Y
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- China
- Prior art keywords
- needle tubing
- core bar
- needle
- tubing seat
- ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an automatic retraction safety syringe which comprises a shell, a piston, a core pin, a needle head part, a protective cap, etc. A core pin locking ring is arranged at the rear part of the shell, the needle head part comprises a needle tube, a needle tube seat, a needle head seat snap ring, an obturating ring and a spring. The needle tube seat is movably arranged at the front of the shell and is fixed by an elastic damping claw on the needle tube seat snap ring, and the front part of the needle tube seat is sleeved with the spring. The core pin has a cavity pipe structure, the protruding part of the core pin is matched with the elastic damping claw of the needle tube seat snap ring, the front end of the core pin is provided with a plug on which a clamping cavity matching with a clamping column of the needle tube seat is arranged. After the injection, under the action of the compression spring, the needle tube seat is pushed into the cavity of the core pin together with the needle tube and the plug, the elastic damping claw of the core pin locking ring props on a locking lug boss of the core pin for preventing the core pin from being drawn back. The automatic retraction safety syringe has reasonable structure, convenient and stable use and good safety, and can realize the self-destruction after one injection; the self-destruction function is reliable.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, specifically a kind of automatic retraction safety syringe.
Background technology
We know that syringe is a kind of medical apparatus commonly used.It generally comprises overcoat, piston, core bar, syringe needle.The disposable syringe that uses belongs to managerial notion now, is not " disposable " on the serviceability, can repeated multiple times use, and leaves hidden danger to cross infection, and propagation tends to produce the disease of.In addition, injection finishes in processing procedure subsequently, because outside syringe needle was exposed to mostly, very easily thorn scratched hospitalized patients, causes new cross infection.Utility model patent 01116424.7 discloses a kind of safety self-destruct disposable sterilized syringe, be equipped with spring at the outer wall of needle stand, and core bar is a hollow pipe, on the top of core bar piston is installed, and the core bar bottom plug matches with the afterbody of needle seat.After the liquid medicine injection injection finished, core bar bottom plug and syringe needle were in effect automatic indentation core bar next time of spring force.This utility model patent is difficult to guarantee the quality of product and the designing requirement of original intention because needle stand is installed on the syringe needle packing ring in the overcoat internal chamber wall is precision-fit.In addition, the designed bottom plug shape of this utility model patent can be because its structure Design causes the part medicinal liquid to remain in the syringe after injection is finished.Chinese patent 200520016075.5 provide safety injector that a kind of syringe needle can bounce back automatically its include syringe cylinder, barrel type push bar, needle stand, injection needle, O RunddichtringO, stage clip thromboembolism, compression spring, sealed rubber ring, protective cap and piston, injection needle is fixed in the needle stand, the front end of syringe cylinder is provided with the fixture that is used for fixing needle stand and stage clip thromboembolism, is provided with the compression spring that needle stand and injection needle can be pushed barrel type push bar inside between needle stand and stage clip thromboembolism; Barrel type push bar is plugged in the syringe cylinder, the described sealed rubber ring of one end outside suit of this barrel type push bar, the inboard is fixed with the piston that can enter barrel type push bar inside under the effect of needle stand propulsive thrust, the other end extends described syringe cylinder, and be equipped with one and push away end, this pushes away the end that end includes a blanking cover and is connected with barrel type push bar, one end tight fit of end and barrel type push bar, and be provided with a plectane in the end, on this plectane, be provided with a through hole, blanking cover is being that easy folded structure is connected with the junction of plectane, and this syringe shortcoming is that the debris surplus is many.Utility model patent 200610101210.5 discloses a kind of disposible safety syringe, the front end sealing of described syringe cylinder has a needle stand cover, front end at described needle stand cover is set with a stage clip thromboembolism, between this stage clip thromboembolism and needle stand, be provided with a stage clip, seal by sealing ring between described needle stand and the needle stand cover; Described needle stand cover is a hollow cylinder, is provided with one at least and is used to replace described needle stand and has outward open barb etc. under external force toward interior at itself and the fixed end of described syringe cylinder.This utility model patent complex structural designs, cost height, to implement difficulty big.
The utility model content
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of structure reasonable, easy to use, stable, dependable performance, and security performance is good, is the automatic retraction safety syringe of self-destruction after the shot.
The technical scheme in the invention for solving the above technical problem is: a kind of automatic retraction safety syringe, it comprises overcoat, piston, core bar, needle assembly, helmet, overcoat is a hollow structure, the rear portion is equipped with the core bar locking ring, the front portion is provided with needle holder, the movable needle assembly of installing in the needle holder, piston is fixed on the core bar front portion, can in the overcoat inner chamber, move, it is characterized in that: needle assembly includes needle tubing, the needle tubing seat, needle tubing seat snap ring, sealing ring, spring, needle tubing is adhesively fixed in the needle tubing through hole of needle tubing seat, the needle tubing seat is installed in the anterior needle holder of overcoat by needle tubing seat snap ring is movable, boss rear portion is provided with the engaging cylinder, anterior pocketed springs in the middle of it; Spring is compressed and is installed in the anterior through hole of needle holder, and two ends are supported on respectively on the brace table and needle tubing seat boss upper surface of needle holder front opening; Needle tubing seat snap ring tight fit is fixed in the snap ring cavity volume of needle holder, the anterior sealing ring that cooperates with needle tubing seat and needle tubing seat snap ring of installing of snap ring cavity volume, needle tubing seat snap ring is provided with intilted elastic damping pawl, on the following convex cone face on the boss that the face of pushing away is resisted against the needle tubing seat of holding of elastic damping pawl; Core bar is the cavity tubular structure, and piston is passed in its front portion, and its ledge matches with the elastic damping pawl of needle tubing seat snap ring, and obstruction is equipped with in the front end activity of core bar cavity, and obstruction is provided with needle tubing seat engaging cylinder and matches, the corresponding to engaging cavity of shape.
This utility model overcoat rear portion is a core bar locking ring cavity volume, and engaging is equipped with the core bar locking ring in it, and its anterior outer wall circumference is provided with the retaining boss of band tapering, correspondingly is provided with a retaining boss that is mated on the outer casing inner wall circumference.
Described core bar locking ring is the cavity ring that the semi-circular ring body of two disjunctors or split is formed, its external form is consistent with the core bar locking ring cavity volume of overcoat, which is provided with two or more elastic damping pawls that tilt to the inside, elastic damping pawl front portion is provided with the face of pushing away that holds, the wall body of elastic damping pawl tail end and core bar locking ring fuses, core bar locking ring wall body is provided with and the corresponding answer of elastic damping pawl chamber, core bar is provided with the locking boss, and the face of pushing away that holds of elastic damping pawl cooperates the location with core bar locking boss.
After this utility model injection finishes, the engaging cylinder of needle tubing seat embeds the engaging intracavity that stops up, the nose circle cylinder of core bar makes the elastic damping pawl on the needle tubing seat snap ring open to replying the intracavity support, the elastic damping pawl is disengaged the fixation of needle tubing seat, under the tension force effect of compression spring, the needle tubing seat is pushed in the storage pin cavity of core bar automatically together with needle tubing, obstruction; In the core bar locking ring cavity volume at overcoat rear portion the core bar locking ring is installed, the elastic damping pawl of core bar locking ring holds by it and stops core bar to be pulled back on locking boss that face of pushing away is resisted against core bar, and core bar cooperates with the core bar locking ring, and core bar can not readvance and retreat, can realize self-destruction after the shot, realize real disposable use, against existing technologies, this utility model structure rationally, easy to use, stable, security performance is good, can realize self-destruction after the shot, and self-destroying function is reliable.
Below in conjunction with accompanying drawing this utility model is further specified.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is this utility model jacket structure sketch map;
Fig. 4 is this utility model core bar structure sketch map;
Fig. 5 is this utility model core bar locking ring structural representation;
Fig. 6 is that this utility model core bar locking ring launches sketch map;
This utility model needle tubing holder structure sketch map among Fig. 7;
Fig. 8 is this utility model needle tubing seat snap ring structural representation;
Fig. 9 is this utility model blockage structure sketch map;
Figure 10 is that this utility model stops up schematic perspective view;
Figure 11 is this utility model blanking cover structural representation;
Figure 12 is the structural representation that this utility model injection finishes;
Figure 13 is the structural representation that this utility model is scrapped state.
Label among the figure is: 1. helmet, and 2. overcoat, 3. sealing ring, 4. spring, 5. needle tubing, 6. needle tubing seat, 7. needle tubing seat snap ring, 8. piston, 9. core bar 10. stops up 11. needle holder, 12. core bar locking rings.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of automatic retraction safety syringe of this utility model, it comprises overcoat 2, piston 8, core bar 9, needle assembly, helmet 1, overcoat 2 is a hollow structure, the rear portion is equipped with core bar locking ring 12, the front portion is provided with needle holder 11, needle holder 11 and overcoat 2 integrative-structures, the movable needle assembly of installing in the needle holder 11, piston 8 is a kind of better elastic bodies, its piston that is fixed on core bar 9 installs and fixes on the district 9-5, and integral body is positioned at the inner chamber 2-3 of overcoat 2, draws to push away core bar and finish the suction of injection, injection.
From Fig. 1, Fig. 2, it can also be seen that, this utility model needle assembly includes needle tubing 5, needle tubing seat 6, needle tubing seat snap ring 7, sealing ring 3, spring 4, needle tubing 5 is adhesively fixed in the needle tubing through hole of needle tubing seat 6, needle tubing seat 6 is by needle tubing seat snap ring 7 movable installations in the anterior needle holder of overcoat, boss 6-2 rear portion is provided with engaging cylinder 6-1, anterior pocketed springs 4 in the middle of it; Spring 4 is compressed and is installed in the anterior through hole of needle holder, and two ends are supported on respectively on the brace table 2-6 and needle tubing seat boss 6-2 upper surface of needle holder front opening; Needle tubing seat snap ring 7 tight fits are fixed among the snap ring cavity volume 2-3 of needle holder, the anterior sealing ring 3 that cooperates with needle tubing seat and needle tubing seat snap ring of installing of snap ring cavity volume 2-3, needle tubing seat snap ring 7 is provided with intilted elastic damping pawl 7-2, on the following convex cone face on the boss 6-2 that the face 7-4 of pushing away is resisted against the needle tubing seat of holding of elastic damping pawl 7-2; Core bar 9 is the cavity tubular structure, piston is passed in its front portion, its ledge matches with the elastic damping pawl of needle tubing seat snap ring, and the front end activity of core bar 9 cavitys is equipped with and is stopped up 10, and obstruction 10 is provided with needle tubing seat engaging cylinder and matches, the corresponding to engaging cavity of shape 10-3.
As can be seen from Figure 3, this utility model overcoat 2 and forward needle holder integrative-structure.Overcoat 2 is a hollow structure, from anterior needle holder front opening 2-8, needle tubing block hole 2-5, needle tubing seat snap ring cavity volume 2-3, inner chamber, the core bar locking ring cavity volume 2-1 of being provided with successively to the rear portion.The front opening 2-8 inwall of overcoat 2 be provided with central through hole 2-7 spring brace table 2-6, the needle tubing seat snap ring cavity volume 2-3 front portion of outer casing needle headstock is provided with seal groove 2-4, the core bar locking ring cavity volume 2-1 front inner wall circumference of overcoat 2 is provided with retaining boss 2-2.Its interior engaging of core bar locking ring cavity volume 2-1 is equipped with core bar locking ring 12, is the retaining boss 12-4 of band tapering on its anterior outer wall circumference, cooperates with corresponding retaining boss 2-2 on the outer casing inner wall circumference and fixes.
As can be seen, core bar 9 is the tubular structure of central through hole from Fig. 1, Fig. 2, Fig. 4, Fig. 9, Figure 10, and core bar is provided with piston installing zone 9-5, and piston 8 is fixed in the piston installing zone 9-5 of core bar 9.The outer wall upper edge axis direction of core bar 9 is provided with nose circle cylinder 9-7, seal boss 9-6, support shank 9-4, locking boss 9-3, positioning table 9-2, outer crimping 9-1, the cavity 9-8 of ring axis direction successively, positioning boss 9-9 is positioned at the front end of core bar 9 internal cavities, cooperates with the positioning boss 9-9 of core bar 9 to install to stop up 10.Obstruction 10 is provided with needle tubing seat engaging cylinder 6-1 and matches, the corresponding to engaging cavity of shape 10-3, and its opening is towards the engaging cylinder.Stopping up 10 is the cylinder of an end opening, and the opening of obstruction 10 is provided with engaging cavity 10-3, is provided with the sump pit 10-2 that runs through wall body along engaging axial outer wall of cavity 10-3 and bottom.Stop up 10 rear portion outer wall and be provided with positioning boss 10-1, cooperates with positioning boss 9-9 on the core bar 9 to install and fix obstruction 10.Shown in Figure 11, core bar 9 rear ends cooperate installs blanking cover 11.Blanking cover 11 front portions are provided with cylinder 11-2, are provided with annular groove 11-1 at the blanking cover bizet around cylinder 11-2, and annular groove 11-2 matches with core bar 9 outer crimping 9-1.
Injection at the end, the engaging cylinder 6-1 of needle tubing seat 6 embeds in the engaging cavity 10-3 of obstruction 10, the nose circle cylinder 9-7 of core bar 9 supports the elastic damping pawl 7-2 on the needle tubing seat snap ring 7 to open in replying chamber 7-3, elastic damping pawl 7-3 is disengaged the fixation of needle tubing seat 6, under the tension force effect of compression spring 4, needle tubing seat 6 is pushed in the storage pin cavity 9-8 of core bar 9 together with needle tubing 5, obstruction 10; In the core bar locking ring cavity volume 2-1 at overcoat 2 rear portions core bar locking ring 12 is installed, the elastic damping pawl 12-5 of core bar locking ring 12 holds the locking boss 9-3 that the face 12-4 of pushing away is resisted against core bar 9 by it and go up to stop core bar 9 to be pulled back.
As can be seen, needle tubing seat 6 is central through hole variable cross-section cylinders from Fig. 1, Fig. 2, Fig. 7, is set with needle tubing seat snap ring 7 on the needle tubing seat 6 middle part cylinder boss 6-2.The boss 6-2 of needle tubing seat 6 upward front end face is provided with sealing ring 6-3, and the cylinder boss 6-2 rear end face of needle tubing seat 6 is the convex cone face, and needle tubing seat 6 rear portions are provided with engaging cylinder 6-1, and injection ends, and engaging cylinder 6-1 can embed in the engaging cavity 10-3 of obstruction 10.Needle tubing seat 6 matched in clearance run through overcoat 2 forward front openings, spring supported hole and needle tubing block hole.
As can be seen from Figure 8, needle tubing seat snap ring 7 described in the utility model is the cylinder of central through hole, needle tubing seat snap ring 7 external forms are consistent with the needle tubing seat snap ring cavity volume 2-4 of overcoat 6, needle tubing seat snap ring 7 front ends are provided with cancave cambered surface 7-5, needle tubing seat snap ring rear portion is provided with concave cone face 7-1, needle tubing seat snap ring is provided with elastic damping pawl 7-2, be flat, the wall body of the tail end of elastic damping pawl 7-2 and needle tubing seat snap ring 7 fuses, the front end of elastic damping pawl 7-2 tilts to the inside, elastic damping pawl 7-2 is provided with to hold and pushes away face 7-4, the wall body of needle tubing seat snap ring 7 is provided with the corresponding answer chamber 7-3 that runs through wall body with elastic damping pawl 7-2, elastic damping pawl 7-2 is strutted, and can return back to reply in the 7-3 of chamber.Holding of needle tubing seat snap ring 7 pushes away the contraction back-up ring 7-7 that the forward inner chamber of face 7-4 is provided with the band centre bore.
From Fig. 1, Fig. 2, Fig. 3, Fig. 8 as can be seen, 7 cooperations of needle tubing seat snap ring are installed in the needle tubing seat snap ring cavity volume 2-3 of overcoat 2, the elastic damping pawl 7-2 of needle tubing seat snap ring 7 is by on the convex cone face of boss 6-2 that holds the face 7-4 of pushing away and be resisted against needle tubing seat 6, with locking pin base 6.Between the cancave cambered surface 7-5 of the sealing ring 6-3 of the seal groove 2-4 of overcoat 2 and needle tubing seat 6, needle tubing seat snap ring 7, be provided with sealing ring 3.
As can be seen, described core bar locking ring 12 is the cavity ring that the semi-circular ring body of two disjunctors or split is formed from Fig. 5, Fig. 6, and its external form is consistent with the core bar locking ring cavity volume 2-1 of overcoat.Core bar locking ring 12 is provided with two or more elastic damping pawl 12-5, be flat, the tail end of the elastic damping pawl 12-5 of core bar locking ring 12 and the wall body of core bar locking ring 12 fuse, the front end of the elastic damping pawl 12-5 of core bar locking ring 12 tilts to the inside, the elastic damping pawl 12-5 of core bar locking ring 12 is provided with to hold and pushes away face 12-6, and the wall body of core bar locking ring 12 is provided with the corresponding answer chamber 12-7 that runs through core bar locking ring wall body with the elastic damping pawl 12-5 of core bar locking ring 12.When setting up jointly, two semi-circular structures of core bar locking ring 12 are respectively equipped with on the corresponding composition surface 12-1 along the snap fit tabs 12-8 and the engaging groove 12-9 of the mutual engaging on composition surface, core bar locking ring 12 anterior outer walls are provided with retaining boss 12-4, correspondingly are provided with a retaining boss 2-2 who is mated on the overcoat 2 inwall circumference.The inner chamber front end of core bar locking ring 12 is provided with concave cone face 12-3, also can replace this concave cone face by cancave cambered surface, and core bar locking ring 12 rear portions are provided with pilot hole 12-2.Injection at the end, the support shank 9-4 on the core bar 9 is positioned at the front portion of core bar locking ring 12, the locking boss 9-3 of core bar 9 holds between the concave cone face 12-3 that pushes away face 12-6 and core bar locking ring 12 the elastic damping pawl 12-5's of core bar locking ring 12.
When this utility model uses, promote core bar 9 forward, utilize piston 8 better elastic, promotion, injecting fluid, after injection finishes, the engaging cylinder 6-1 of needle tubing seat 6 embeds and stops up in 10 the engaging cavity 10-3, and the nose circle cylinder 9-7 of core bar 9 supports the elastic damping pawl 7-2 on the needle tubing seat snap ring 7 to open in replying chamber 7-3, as shown in figure 12.Elastic damping pawl 7-2 is disengaged the fixation of needle tubing seat 6, and under the effect of compression spring 4 power, needle tubing seat 6 is pushed in the storage pin cavity 9-8 of core bar 9 together with needle tubing 5, obstruction 10; After injection finishes, support shank 9-4 on the core bar 9 is positioned at the front portion of core bar locking ring 12, the locking boss 9-3 of core bar 9 holds between the concave cone face 12-3 that pushes away face 12-6 and core bar locking ring 12 the elastic damping pawl 12-5's of core bar locking ring 12, the elastic damping pawl 12-5 of core bar locking ring 12 holds on the locking boss 9-3 that the face 12-6 of pushing away is resisted against core bar 9 by it, stop core bar 9 to be pulled back, as shown in figure 13.Can realize self-destruction after the shot, realize real disposable use.This utility model structure is reasonable, easy to use, stable, and security performance is good, can realize self-destruction after the shot, and self-destroying function is reliable.
Claims (10)
1. automatic retraction safety syringe, it comprises overcoat, piston, core bar, needle assembly, helmet, overcoat is a hollow structure, the rear portion is equipped with the core bar locking ring, the front portion is provided with needle holder, the movable needle assembly of installing in the needle holder, piston is fixed on the core bar front portion, can in the overcoat inner chamber, move, it is characterized in that: needle assembly includes needle tubing, the needle tubing seat, needle tubing seat snap ring, sealing ring, spring, needle tubing are adhesively fixed in the needle tubing through hole of needle tubing seat, and the needle tubing seat is installed in the anterior needle holder of overcoat by needle tubing seat snap ring is movable, boss rear portion is provided with the engaging cylinder, anterior pocketed springs in the middle of it; Spring is compressed and is installed in the anterior through hole of needle holder, and two ends are supported on respectively on the brace table and needle tubing seat boss upper surface of needle holder front opening; Needle tubing seat snap ring tight fit is fixed in the snap ring cavity volume of needle holder, the anterior sealing ring that cooperates with needle tubing seat and needle tubing seat snap ring of installing of snap ring cavity volume, needle tubing seat snap ring is provided with intilted elastic damping pawl, on the following convex cone face on the boss that the face of pushing away is resisted against the needle tubing seat of holding of elastic damping pawl; Core bar is the cavity tubular structure, and piston is passed in its front portion, and its ledge matches with the elastic damping pawl of needle tubing seat snap ring, and obstruction is equipped with in the front end activity of core bar cavity, and obstruction is provided with needle tubing seat engaging cylinder and matches, the corresponding to engaging cavity of shape.
2. automatic retraction safety syringe according to claim 1, it is characterized in that: the overcoat rear portion is a core bar locking ring cavity volume, engaging is equipped with the core bar locking ring in it, its anterior outer wall circumference is provided with the retaining boss of band tapering, correspondingly is provided with a retaining boss that is mated on the outer casing inner wall circumference.
3. automatic retraction safety syringe according to claim 1, it is characterized in that: described core bar locking ring is the cavity ring that the semi-circular ring body of two disjunctors or split is formed, its external form is consistent with the core bar locking ring cavity volume of overcoat, which is provided with two or more elastic damping pawls that tilt to the inside, elastic damping pawl front portion is provided with the face of pushing away that holds, the wall body of elastic damping pawl tail end and core bar locking ring fuses, core bar locking ring wall body is provided with and the corresponding answer of elastic damping pawl chamber, core bar is provided with the locking boss, and the face of pushing away that holds of elastic damping pawl cooperates the location with core bar locking boss.
4. automatic retraction safety syringe according to claim 1 is characterized in that: the needle tubing seat snap ring cavity volume front portion of overcoat is provided with seal groove.
5. automatic retraction safety syringe according to claim 1, it is characterized in that: boss upper surface, needle tubing seat middle part is provided with the sealing ring of pointed projection, it contacts cooperation with sealing ring, the rear end face of needle tubing seat middle part boss is the convex cone face, and its elastic damping pawl with needle tubing seat snap ring cooperates.
6. automatic retraction safety syringe according to claim 1 is characterized in that: the forward inner chamber of the face of pushing away that holds of needle tubing seat snap ring is provided with the contraction back-up ring of being with centre bore.
7. automatic retraction safety syringe according to claim 4 is characterized in that: sealing ring is arranged between the cancave cambered surface of sealing ring, needle tubing seat snap ring of overcoat seal groove and needle tubing seat.
8. automatic retraction safety syringe according to claim 1, it is characterized in that: the engaging cavity of obstruction, outer wall and bottom are provided with some the sump pits that run through wall body, and the rear portion outer wall of obstruction is provided with positioning boss, and it cooperates with positioning boss on the core bar and installs and fixes.
9. automatic retraction safety syringe according to claim 1 is characterized in that: the blanking cover front portion is provided with cylinder, is provided with annular groove at the blanking cover bizet around cylinder, and annular groove matches with the outer crimping of core bar.
10. automatic retraction safety syringe according to claim 3 is characterized in that: two corresponding composition surfaces of semi-circular ring body of core bar locking ring are provided with the snap fit tabs and the engaging groove of mutual engaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820018112XU CN201161029Y (en) | 2008-02-04 | 2008-02-04 | Automatically shrinking safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820018112XU CN201161029Y (en) | 2008-02-04 | 2008-02-04 | Automatically shrinking safety syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201161029Y true CN201161029Y (en) | 2008-12-10 |
Family
ID=40181974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820018112XU Expired - Lifetime CN201161029Y (en) | 2008-02-04 | 2008-02-04 | Automatically shrinking safety syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201161029Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100644A1 (en) * | 2008-02-04 | 2009-08-20 | Dongsen Fang | Automatic retracting safe injector |
| CN102284114A (en) * | 2011-07-15 | 2011-12-21 | 曾花 | Self-destroying injector |
| CN102872505A (en) * | 2011-07-14 | 2013-01-16 | 沈挺 | Spring-type security injector |
| CN109701125A (en) * | 2018-12-28 | 2019-05-03 | 珠海德瑞医疗器械有限公司 | One kind is pulled back self-locking injector |
| CN112516420A (en) * | 2019-09-18 | 2021-03-19 | 凯莎包装私人公司 | Device for locking the plunger rod of a syringe after use and preventing reuse of the syringe and syringe assembly |
| CN115054781A (en) * | 2022-05-26 | 2022-09-16 | 扬州美德莱医疗用品股份有限公司 | Connecting structure of safety needle shield and needle seat |
-
2008
- 2008-02-04 CN CNU200820018112XU patent/CN201161029Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100644A1 (en) * | 2008-02-04 | 2009-08-20 | Dongsen Fang | Automatic retracting safe injector |
| CN101274114B (en) * | 2008-02-04 | 2010-06-02 | 房东森 | Automatic retraction safety syringe |
| CN102872505A (en) * | 2011-07-14 | 2013-01-16 | 沈挺 | Spring-type security injector |
| CN102872505B (en) * | 2011-07-14 | 2015-04-01 | 沈挺 | Spring-type security injector |
| CN102284114A (en) * | 2011-07-15 | 2011-12-21 | 曾花 | Self-destroying injector |
| CN102284114B (en) * | 2011-07-15 | 2012-11-14 | 曾花 | Self-destroying injector |
| CN109701125A (en) * | 2018-12-28 | 2019-05-03 | 珠海德瑞医疗器械有限公司 | One kind is pulled back self-locking injector |
| CN109701125B (en) * | 2018-12-28 | 2023-04-14 | 珠海德瑞医疗器械有限公司 | Pull-back self-locking type injector |
| CN112516420A (en) * | 2019-09-18 | 2021-03-19 | 凯莎包装私人公司 | Device for locking the plunger rod of a syringe after use and preventing reuse of the syringe and syringe assembly |
| CN115054781A (en) * | 2022-05-26 | 2022-09-16 | 扬州美德莱医疗用品股份有限公司 | Connecting structure of safety needle shield and needle seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Shandong province Weihai city Shenyang Road 110 room No. C1801, zip code: 264209 Patentee after: Fang Dongsen Address before: Building 44, Shinto South Street, hi tech Development Zone, Shandong, Weihai Province, China: 264200 Patentee before: Fang Dongsen |
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| C56 | Change in the name or address of the patentee |
Owner name: FANG DONGSEN Free format text: NEW ADDRESS: ROOM C1801, NO. 110, SHENYANG ROAD, WEIHAI CITY, SHANDONG PROVINCE, ZIP CODE:264209 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20081210 Effective date of abandoning: 20080204 |