CN109938995B - Easy-to-use lacrimal passage irrigator and mounting and dismounting method thereof - Google Patents
Easy-to-use lacrimal passage irrigator and mounting and dismounting method thereof Download PDFInfo
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- CN109938995B CN109938995B CN201910287674.7A CN201910287674A CN109938995B CN 109938995 B CN109938995 B CN 109938995B CN 201910287674 A CN201910287674 A CN 201910287674A CN 109938995 B CN109938995 B CN 109938995B
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Abstract
The invention provides an easy-to-use lacrimal passage irrigator and an installation and disassembly method thereof, belonging to the field of ophthalmic medical instruments. It has solved the current lacrimal passage flusher structure complicacy, problem troublesome poeration. This easy tear way flusher of using, including the syringe, the syringe front end has the pipe form mouth-piece with the inside intercommunication of syringe, still including washing the needle, it includes cover form needle cover and the hollow needle tubing of connection needle cover front end to wash the needle, still include the lock sleeve of front end clearance fit cover on the needle cover outer wall, needle cover outer wall and lock sleeve front end inner wall are the circle cover column structure of mutually supporting, and needle cover outer wall is equipped with the spout, the spout is the ring shape or the arc that set up along needle cover outer wall circumference, lock sleeve front end inner wall is equipped with the slider that slides and is located the spout, be equipped with the circumference locking mechanism of mutually supporting between mouth-piece and the needle cover, be equipped with the axial locking mechanism of mutually supporting between mouth-piece and the lock sleeve rear. Compared with the scheme of files, the flusher has a simpler structure and is more convenient to disassemble and assemble.
Description
Technical Field
The invention belongs to the technical field of ophthalmic medical instruments, and relates to an easy-to-use lacrimal passage irrigator and an installation and disassembly method thereof.
Background
The lacrimal passage irrigation is a conventional diagnosis and treatment means of ophthalmology, is suitable for preoperative treatment of all patients with ophthalmologic operations and diagnosis and treatment of patients with lacrimal passage diseases, and needs to use a special lacrimal passage irrigator to enter lacrimal canaliculus from a lacrimal punctum and use normal saline or medicaments to irrigate the lacrimal passage. At present, a common direct insertion type interface is arranged between a lacrimal passage flushing needle and an injector, adverse events that the lacrimal passage flushing needle is separated from the injector can occur when the lacrimal passage is blocked or the pressure is increased, and similar adverse events occur for a plurality of times in clinic, which seriously threaten the safety of patients and operators, the punctum is positioned at the inner canthus of the lower eyelid, and if the flushing needle is separated, the eyes of the patients are easily injured, and the operators are easily injured; after the washing needle is pulled out, the washing liquid is splashed out, which brings the risk of infection. In addition, the existing flushing needle is connected with the injector by adopting a threaded structure, but the flushing needle needs to stretch into the lacrimal passage in the using process, the threaded structure enables the flushing needle to generate rotary deviation easily in the stretching and operating processes, and the flushing needle is inconvenient to replace by adopting the threaded structure.
The prior patent of the invention with the application number of 201710528559.5 and the name of 'a locking type lacrimal passage flusher and an installation and disassembly method thereof' fixes a retaining sleeve through a locking mechanism, so that the front end surface of the retaining sleeve tightly props against the rear end surface of a needle sleeve, and a positioning block in the needle sleeve moves to the front end of a limiting groove, thereby completely locking the needle sleeve, and preventing the needle sleeve from rotating along the circumferential direction and moving along the axial direction. However, the structure is complex, and the needle guard and the retaining sleeve need to be assembled and disassembled in multiple steps, so that the needle guard and the retaining sleeve need to be assembled and disassembled respectively, and the assembly and disassembly are troublesome, and therefore, improvement is needed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an easy-to-use lacrimal passage irrigator which is stable in connection, simpler in structure and more convenient to assemble and disassemble and an assembling and disassembling method thereof.
The purpose of the invention can be realized by the following technical scheme: the utility model provides an easy tear way flusher that uses, includes the syringe, the syringe front end have with the inside circular tube form interface tube that communicates of syringe, still include the washing needle, the washing needle includes cover form needle cover and connects the hollow needle tubing in needle cover front end, its characterized in that: also comprises a lock sleeve with the inner diameter of the rear end smaller than that of the front end, the front end of the lock sleeve is movably sleeved on the outer wall of the needle sleeve in a matching way, the outer wall of the needle sleeve and the inner wall of the front end of the lock sleeve are in a mutually matched round sleeve-shaped structure, and the outer wall of the needle sleeve is provided with a chute which is circular or arc-shaped and is arranged along the circumferential direction of the outer wall of the needle sleeve, the inner wall of the front end of the lock sleeve is provided with a slide block which is positioned on the slide groove in a sliding way, a circumferential locking mechanism which is mutually matched is arranged between the mouthpiece and the needle sleeve, an axial locking mechanism which is mutually matched is arranged between the mouthpiece and the rear end of the lock sleeve, the rear ends of the needle sleeve and the lock sleeve are matched and sleeved on the mouthpiece together, the mouthpiece and the needle sleeve are relatively fixed in the circumferential direction through a circumferential locking mechanism, and the lock sleeve can rotate along the circumferential direction of the needle sleeve, the mouthpiece and the rear end of the lock sleeve are relatively fixed in the axial direction through the axial locking mechanism, and the needle sleeve is relatively fixed in the axial direction through the lock sleeve and the mouthpiece.
This flusher compares the scheme of citation file and says, the structure is simpler, and during the installation, only need cooperate the cover jointly with needle cover and lock sleeve rear end on the interface tube, later along the rotatory lock sleeve of needle cover circumference, can install fast, it is also very convenient to dismantle with the principle, and only need operate the lock sleeve and can the dismouting, need not to operate needle cover and lock sleeve respectively, and the installation back that finishes, the interface tube passes through circumference locking mechanism at circumference relatively fixed with the needle cover, the needle cover passes through lock sleeve and interface tube axial relatively fixed, consequently can circumference and axial locking needle cover, thereby wash needle and syringe throw off when avoiding the pressure increase, and avoid washing the needle skew in the operation process.
In the above easy-to-use lacrimal passage irrigator, the circumferential locking mechanism comprises an outer wall of the interface tube in a regular polygon sleeve-shaped structure, and an inner wall of the needle sleeve matched with the outer wall of the interface tube and in a regular polygon sleeve-shaped structure; or the circumferential locking mechanism comprises a spline groove which is positioned on the outer wall of the interface tube and the groove length of which is arranged along the axial direction of the interface tube, and spline teeth which are positioned on the inner wall of the needle sleeve and matched with the spline groove; or the circumferential locking mechanism comprises a limiting groove which is arranged on the outer wall of the interface tube and is arranged along the axial direction of the interface tube in the length direction, and a limiting block which is arranged on the inner wall of the needle sleeve and is positioned on the limiting groove in a sliding manner, and the front end of the limiting groove is positioned at the front end of the interface tube.
In the above easy-to-use lacrimal passage irrigator, the axial locking mechanism comprises an external thread and an internal thread which are respectively arranged on the outer wall of the interface tube and the inner wall of the rear end of the lock sleeve and are matched with each other, and the chute is a circular ring shape arranged along the circumferential direction of the outer wall of the needle sleeve; or the axial locking mechanism comprises a connecting groove which is arranged on the outer wall of the interface tube and is arranged along the axial direction of the interface tube in the length direction, a locking groove which is arranged along the circumferential direction of the interface tube and is vertically connected with the rear end of the connecting groove, and a locking block which is arranged on the inner wall of the rear end of the locking sleeve and is positioned on the locking groove in a sliding manner, the front end of the connecting groove is positioned at the front end of the interface tube, and the sliding groove is in a circular arc shape which is arranged along the circumferential direction of the outer wall of the needle sleeve.
Therefore, the circumferential locking mechanism and the axial locking mechanism with different structures can be selected to be combined according to actual needs, and the mouthpiece with the thread structure can also be matched with the needle sleeve with the traditional thread structure for use.
In the above easy-to-use lacrimal passage irrigator, when the circumferential locking mechanism comprises a limiting groove located on the outer wall of the interface tube and the axial locking mechanism comprises an engaging groove and a locking groove located on the outer wall of the interface tube, the limiting groove is the front section part of the engaging groove.
Therefore, the structure is more reasonable and simpler.
In the above-mentioned easy-to-use lacrimal passage flusher, when the slider is located spout front end or rear end, stopper and locking piece align or misplace in needle cover circumference, spacing groove front end notch be the V font flaring structure, and when the slider was located the spout rear end, spacing groove notch width was greater than stopper and locking piece along the distance of needle cover circumference.
Therefore, the needle sleeve and the lock sleeve can be rapidly matched and sleeved on the interface tube together, and the installation is more convenient and efficient.
In the above-mentioned lacrimal passage irrigator easy to use, a one-way torsion spring is arranged between the needle sleeve and the lock sleeve, and the one-way torsion spring twists the sliding block to be located at the rear end of the sliding groove.
Therefore, after the locking block is installed in place, the locking block can be quickly reset and locked by utilizing the one-way torsion spring.
In the above easy-to-use lacrimal passage irrigator, the groove wall of the locking groove near the rear end is provided with a convex projection, and when the locking block is positioned at the rear end of the locking groove, the projection blocks one side of the locking block.
The lock block is blocked by the lug, so that the misoperation of the lock sleeve is avoided.
In the above easy-to-use lacrimal passage irrigator, the front end of the mouthpiece is fixed with a sealing pad which is abutted against the needle sleeve.
Thereby achieving good sealing effect.
In the above easy-to-use lacrimal passage irrigator, the needle tube is a hollow steel needle with a bent middle part.
A method of installation and removal for an easy-to-use lacrimal passage irrigator, comprising:
the installation method comprises the following steps: the needle sleeve and the lock sleeve are matched and sleeved on the interface tube together, so that the limiting block and the lock block enter the limiting groove through the notch of the limiting groove, and after the lock sleeve is pushed to be in place, the one-way torsion spring twists the sliding block to be positioned at the rear end of the sliding groove, so that the lock block moves to the rear end of the lock groove;
the disassembling method comprises the following steps: the locking sleeve is rotated along the circumferential direction of the needle sleeve, so that the locking block moves to the front end of the locking groove, the syringe is held, the locking sleeve is separated from the mouthpiece, and the locking block moves along the connecting groove.
Therefore, the flusher can be quickly mounted and dismounted.
Compared with the prior art, the invention has the following advantages:
this flusher compares the scheme of citation file and says, the structure is simpler, and during the installation, only need cooperate the cover jointly with needle cover and lock sleeve rear end on the interface tube, later along the rotatory lock sleeve of needle cover circumference, can install fast, it is also very convenient to dismantle with the principle, and only need operate the lock sleeve and can the dismouting, need not to operate needle cover and lock sleeve respectively, and the installation back that finishes, the interface tube passes through circumference locking mechanism at circumference relatively fixed with the needle cover, the needle cover passes through lock sleeve and interface tube axial relatively fixed, consequently can circumference and axial locking needle cover, thereby wash needle and syringe throw off when avoiding the pressure increase, and avoid washing the needle skew in the operation process.
Drawings
Figure 1 is a partial cross-sectional view of the present irrigator.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a partially enlarged view of fig. 2.
In the figure, the position of the upper end of the main shaft,
1. an injector; 11. a mouthpiece; 12. a limiting groove; 13. a joining groove; 14. locking the groove; 15. a bump; 16. a gasket;
2. a needle sleeve; 21. a needle tube; 22. a chute; 23. a limiting block;
3. a lock sleeve; 31. a slider; 32. and (6) locking the block.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figures 1-3, the invention relates to an easy-to-use lacrimal passage flusher, which comprises an injector 1, wherein the front end of the injector 1 is provided with a circular tube-shaped mouthpiece 11 communicated with the inside of the injector 1, and also comprises a flushing needle, the flushing needle comprises a sleeve-shaped needle sleeve 2 and a hollow needle tube 21 connected with the front end of the needle sleeve 2, and also comprises a lock sleeve 3 with the rear end inner diameter smaller than the front end inner diameter, the front end of the lock sleeve 3 is movably sleeved on the outer wall of the needle sleeve 2, the outer wall of the needle sleeve 2 and the inner wall of the front end of the lock sleeve 3 are mutually matched circular sleeve-shaped structures, the outer wall of the needle sleeve 2 is provided with a chute 22, the chute 22 is a circular ring or arc shape arranged along the circumferential direction of the outer wall of the needle sleeve 2, the inner wall of the front end of the lock sleeve 3 is provided with a slide block 31 slidably positioned on the chute 22, the rear ends of the needle sleeve 2 and the lock sleeve 3 are matched and sleeved on the mouthpiece 11 together, the mouthpiece 11 and the needle sleeve 2 are relatively fixed in the circumferential direction through a circumferential locking mechanism, the lock sleeve 3 can rotate in the circumferential direction of the needle sleeve 2, the mouthpiece 11 and the rear end of the lock sleeve 3 are relatively fixed in the axial direction through an axial locking mechanism, and the needle sleeve 2 and the mouthpiece 11 are relatively fixed in the axial direction through the lock sleeve 3.
Further, the circumferential locking mechanism comprises an outer wall of the mouthpiece 11 in a regular polygon sleeve-shaped structure and an inner wall of the needle sleeve 2 which is matched with the outer wall of the mouthpiece 11 and is in a regular polygon sleeve-shaped structure; or the circumferential locking mechanism comprises a spline groove which is positioned on the outer wall of the joint pipe 11 and the groove length of which is arranged along the axial direction of the joint pipe 11, and spline teeth which are positioned on the inner wall of the needle sleeve 2 and matched with the spline groove; or the circumferential locking mechanism comprises a limiting groove 12 which is positioned on the outer wall of the mouthpiece 11 and is axially arranged along the mouthpiece 11 in the length direction, and a limiting block 23 which is positioned on the inner wall of the needle sleeve 2 and is slidably positioned on the limiting groove 12, and the front end of the limiting groove 12 is positioned at the front end of the mouthpiece 11. The axial locking mechanism comprises external threads and internal threads which are respectively arranged on the outer wall of the mouthpiece 11 and the inner wall of the rear end of the lock sleeve 3 and are matched with each other, and the sliding groove 22 is in a ring shape and is arranged along the circumferential direction of the outer wall of the needle sleeve 2; or the axial locking mechanism comprises a connecting groove 13 which is positioned on the outer wall of the mouthpiece 11 and is arranged along the axial direction of the mouthpiece 11 in the length direction, a locking groove 14 which is arranged along the circumferential direction of the mouthpiece 11 and is vertically connected with the rear end of the connecting groove 13, and a locking block 32 which is positioned on the inner wall of the rear end of the locking sleeve 3 and is slidably positioned on the locking groove 14, the front end of the connecting groove 13 is positioned at the front end of the mouthpiece 11, and the sliding groove 22 is in the shape of a circular arc which is arranged along the circumferential direction of the outer wall of the needle sleeve 2. When the circumferential locking mechanism comprises a limiting groove 12 positioned on the outer wall of the mouthpiece 11, and the axial locking mechanism comprises a connecting groove 13 and a locking groove 14 positioned on the outer wall of the mouthpiece 11, the limiting groove 12 is the front section part of the connecting groove 13. When the sliding block 31 is located at the front end or the rear end of the sliding groove 22, the limiting block 23 and the locking block 32 are aligned or staggered in the circumferential direction of the needle sleeve 2, the notch at the front end of the limiting groove 12 is of a V-shaped flaring structure, and when the sliding block 31 is located at the rear end of the sliding groove 22, the width of the notch of the limiting groove 12 is larger than the distance between the limiting block 23 and the locking block 32 in the circumferential direction of the needle sleeve 2. A one-way torsion spring is arranged between the needle sleeve 2 and the lock sleeve 3, and the one-way torsion spring twists the sliding block 31 to be positioned at the rear end of the sliding groove 22. The groove wall of the locking groove 14 near the rear end is provided with a convex projection 15, and when the locking piece 32 is located at the rear end of the locking groove 14, the projection 15 blocks one side of the locking piece 32. A seal 16 abutting against the needle hub 2 is fixed to the front end of the mouthpiece 11. The needle tube 21 is a hollow steel needle with a bent middle part.
This flusher compares the scheme of citation file, the structure is simpler, and during the installation, only need cooperate the cover on interface tube 11 jointly with needle cover 2 and 3 rear ends of lock sleeve, later along 2 circumference rotation lock sleeves 3 of needle cover, can install fast, it is also very convenient to dismantle with the principle, and only need operate lock sleeve 3 and can dismouting, need not to operate needle cover 2 and lock sleeve 3 respectively, and the installation back that finishes, interface tube 11 passes through circumference locking mechanism at circumference relatively fixed with needle cover 2, needle cover 2 passes through lock sleeve 3 and 11 axial relatively fixed of interface tube, consequently, can circumference and axial locking needle cover 2, thereby wash needle and syringe 1 when avoiding the pressure increase and throw off, and avoid washing the skew of needle in the operation process.
A method for assembling and disassembling an easy-to-use lacrimal passage irrigator,
the installation method comprises the following steps: the needle sleeve 2 and the lock sleeve 3 are matched and sleeved on the interface tube 11 together, so that the limiting block 23 and the locking block 32 enter the limiting groove 12 through the notch of the limiting groove 12, after the lock sleeve 3 is pushed to be in place, the one-way torsion spring twists the sliding block 31 to be positioned at the rear end of the sliding groove 22, and the locking block 32 moves to the rear end of the locking groove 14;
the disassembling method comprises the following steps: rotating the lock sleeve 3 circumferentially around the needle hub 2 moves the lock 32 to the front of the lock groove 14, holding the syringe 1 and separating the lock sleeve 3 from the mouthpiece 11 moves the lock 32 along the engagement groove 13.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms syringe 1, mouthpiece 11, retaining groove 12, engagement groove 13, locking groove 14, projection 15, seal 16, needle hub 2, needle cannula 21, slide slot 22, retaining block 23, lock sleeve 3, slider 31, lock block 32, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an easy lacrimal passage flusher that uses, includes syringe (1), syringe (1) front end have with syringe (1) inside circular tube form mouth-piece (11) that communicate, still including washing the needle, wash the needle including cover form needle cover (2) and connect hollow needle tubing (21) at needle cover (2) front end, its characterized in that: the needle sleeve structure is characterized by further comprising a lock sleeve (3) with the inner diameter of the rear end smaller than that of the front end, the front end of the lock sleeve (3) is movably sleeved on the outer wall of the needle sleeve (2) in a matched mode, the outer wall of the needle sleeve (2) and the inner wall of the front end of the lock sleeve (3) are of circular sleeve-shaped structures, a sliding groove (22) is formed in the outer wall of the needle sleeve (2), the sliding groove (22) is of a circular ring shape or a circular arc shape and is arranged along the circumferential direction of the outer wall of the needle sleeve (2), a sliding block (31) which is located on the sliding groove (22) in a sliding mode is arranged on the inner wall of the front end of the lock sleeve (3), a circumferential locking mechanism which is matched with each other is arranged between the connector tube (11) and the needle sleeve (2), an axial locking mechanism which is matched with each other is arranged between the connector tube (11) and the rear end of the lock sleeve (3), the needle sleeve (2, the lock sleeve (3) can rotate along the circumferential direction of the needle sleeve (2), the mouthpiece (11) and the rear end of the lock sleeve (3) are axially and relatively fixed through an axial locking mechanism, and the needle sleeve (2) and the mouthpiece (11) are axially and relatively fixed through the lock sleeve (3).
2. An easy-to-use lacrimal passage irrigator according to claim 1, wherein: the circumferential locking mechanism comprises an outer wall of the mouthpiece (11) in a regular polygon sleeve-shaped structure and an inner wall of the needle sleeve (2) which is matched with the outer wall of the mouthpiece (11) and is in a regular polygon sleeve-shaped structure; or the circumferential locking mechanism comprises a spline groove which is positioned on the outer wall of the interface tube (11) and the groove length of which is arranged along the axial direction of the interface tube (11), and spline teeth which are positioned on the inner wall of the needle sleeve (2) and matched with the spline groove; or the circumferential locking mechanism comprises a limiting groove (12) which is positioned on the outer wall of the mouthpiece (11) and is axially arranged along the mouthpiece (11) in the length direction, and a limiting block (23) which is positioned on the inner wall of the needle sleeve (2) and is slidably positioned on the limiting groove (12), and the front end of the limiting groove (12) is positioned at the front end of the mouthpiece (11).
3. An easy-to-use lacrimal passage irrigator according to claim 2, wherein: the axial locking mechanism comprises external threads and internal threads which are respectively arranged on the outer wall of the mouthpiece (11) and the inner wall of the rear end of the lock sleeve (3) and are matched with each other, and the sliding groove (22) is in a ring shape and is circumferentially arranged along the outer wall of the needle sleeve (2); or the axial locking mechanism comprises a connecting groove (13) which is arranged on the outer wall of the joint pipe (11) and is axially arranged along the joint pipe (11) in the length direction, a locking groove (14) which is arranged along the circumferential direction of the joint pipe (11) and is vertically connected with the rear end of the connecting groove (13), a locking block (32) which is arranged on the inner wall of the rear end of the lock sleeve (3) in a sliding manner and is positioned on the locking groove (14), the front end of the connecting groove (13) is positioned at the front end of the joint pipe (11), and the sliding groove (22) is in a circular arc shape which is arranged along the circumferential direction of the outer wall of the needle sleeve (2).
4. An easy-to-use lacrimal passage irrigator according to claim 3, wherein: when the circumferential locking mechanism comprises a limiting groove (12) located in the outer wall of the mouthpiece (11), and the axial locking mechanism comprises a connecting groove (13) and a locking groove (14) located in the outer wall of the mouthpiece (11), the limiting groove (12) is the front section part of the connecting groove (13).
5. An easy-to-use lacrimal passage irrigator according to claim 4, wherein: slider (31) when being located spout (22) front end or rear end, stopper (23) and locking piece (32) align or misplace in needle cover (2) circumference, spacing groove (12) front end notch be V font flaring structure, and when slider (31) was located spout (22) rear end, spacing groove (12) notch width was greater than stopper (23) and locking piece (32) along needle cover (2) distance of circumference.
6. An easy-to-use lacrimal passage irrigator according to claim 5, wherein: a one-way torsion spring is arranged between the needle sleeve (2) and the lock sleeve (3), and the one-way torsion spring twisting sliding block (31) is positioned at the rear end of the sliding groove (22).
7. An easy-to-use lacrimal passage irrigator according to claim 6, wherein: the groove wall of the lock groove (14) close to the rear end is provided with a convex lug (15), and when the lock block (32) is positioned at the rear end of the lock groove (14), the lug (15) blocks one side of the lock block (32).
8. An easy-to-use lacrimal passage irrigator according to claim 7, wherein: the front end of the mouthpiece (11) is fixed with a sealing gasket (16) which is pressed against the needle sleeve (2).
9. An easy-to-use lacrimal passage irrigator according to claim 8, wherein: the needle tube (21) is a hollow steel needle with a bent middle part.
10. A method of installation and removal for the easy-to-use lacrimal passage irrigator of claim 9, wherein:
the installation method comprises the following steps: the needle sleeve (2) and the lock sleeve (3) are matched and sleeved on the interface tube (11) together, so that the limiting block (23) and the lock block (32) enter the limiting groove (12) through the notch of the limiting groove (12), after the lock sleeve (3) is pushed to be in place, the one-way torsion spring twisting slide block (31) is positioned at the rear end of the sliding groove (22), and the lock block (32) is moved to the rear end of the lock groove (14);
the disassembling method comprises the following steps: the locking sleeve (3) is rotated along the circumferential direction of the needle sleeve (2), the locking block (32) moves to the front end of the locking groove (14), the syringe (1) is held, the locking sleeve (3) is separated from the mouthpiece (11), and the locking block (32) moves along the connecting groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287674.7A CN109938995B (en) | 2019-04-11 | 2019-04-11 | Easy-to-use lacrimal passage irrigator and mounting and dismounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287674.7A CN109938995B (en) | 2019-04-11 | 2019-04-11 | Easy-to-use lacrimal passage irrigator and mounting and dismounting method thereof |
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| Publication Number | Publication Date |
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| CN109938995A CN109938995A (en) | 2019-06-28 |
| CN109938995B true CN109938995B (en) | 2021-03-19 |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926696B2 (en) * | 1999-12-23 | 2005-08-09 | Owais Mohammed | Hypodermic syringe needle assembly and method of making the same |
| DK1192964T3 (en) * | 2000-09-27 | 2003-03-03 | Schering Ag | Syringe with a cylinder for receiving a liquid medium and a closure cap |
| US20040122378A1 (en) * | 2002-12-19 | 2004-06-24 | Fu-Yu Hsu | Safety hypodermic syringe |
| CN202459540U (en) * | 2012-03-13 | 2012-10-03 | 张晶晶 | Spiral lacrimal passage flushing device |
| CN202761835U (en) * | 2012-08-28 | 2013-03-06 | 河南曙光健士医疗器械集团股份有限公司 | Small needle outer sleeve injection needle cover |
| CN204798512U (en) * | 2015-06-30 | 2015-11-25 | 魏庆祥 | Pin type safety syringe is unloaded in propulsion |
| CN205515820U (en) * | 2016-02-03 | 2016-08-31 | 王学博 | Safe insulin pen needle |
| CN206482722U (en) * | 2016-11-18 | 2017-09-12 | 王美玲 | A kind of disposable sterilized dacryosyrinx |
| CN107157750B (en) * | 2017-07-01 | 2019-03-08 | 温州智权工业设计有限公司 | A kind of locking type Lacrimal passage irrigator and its installation and removal method |
| CN108451711A (en) * | 2018-03-16 | 2018-08-28 | 徐剑霞 | A kind of irrigation of lacrimal passage device |
| CN109199691A (en) * | 2018-11-05 | 2019-01-15 | 逄作祥 | A kind of irrigation of lacrimal passage probing syringe needle of novel belt hose |
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2019
- 2019-04-11 CN CN201910287674.7A patent/CN109938995B/en active Active
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Inventor after: Wang Yuqing Inventor after: Zhang Yunsheng Inventor before: Zhang Yunsheng |
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