CN201283017Y - Drainage tube for dacryocyst and nasal cavity anastomosis operation - Google Patents
Drainage tube for dacryocyst and nasal cavity anastomosis operation Download PDFInfo
- Publication number
- CN201283017Y CN201283017Y CN 200820100498 CN200820100498U CN201283017Y CN 201283017 Y CN201283017 Y CN 201283017Y CN 200820100498 CN200820100498 CN 200820100498 CN 200820100498 U CN200820100498 U CN 200820100498U CN 201283017 Y CN201283017 Y CN 201283017Y
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- China
- Prior art keywords
- drainage tube
- positioning disk
- dacryocystorhinostomy
- profile
- circular arc
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Abstract
The utility model discloses a drainage tube for dacryocystorhinostomy, which comprises a tube body (1), fastening claws and a positioning disk (2), wherein the fastening claws are arranged at one end of the tube body (1), and the positioning disk (2) is disposed at the other end of the tube body (1). The drainage tube is skillful in conception, simple in structure, easy to actualize and reliable in performance, can support and fix anastomotic stoma, and can press the anastomotic stoma while avoiding anastomotic stoma adhesion, thereby stopping bleeding. The drainage tube greatly improves the dacryocystorhinostomy success rate and reliability, the rate of success of operation can reach more than 99%, and further the drainage tube is easy to operate and grasp and has high clinical usage value.
Description
Technical field
This utility model relates to a kind of medical apparatus, relates in particular to the drainage tube with lachrymal sac and nasal cavity conducting.
Background technology
Lachrymal gland is positioned at the outer top of eyeball, and it constantly secretes tear, with moistening eyeball surface, makes cornea keep bright.The tear that the normal person secretes out flows into lachrymal sac by lacrimal ductule, flow to nasal cavity by nasolacrimal duct again, does not flow out so do not have tear usually.If long-time trachoma, chronic conjunctivitis or the chronic rhinitis suffered from will be involved the nasolacrimal duct mucosa, cause obstruction of naso lacrimal duct, and then cause chronic dacryocystitis easily.This is because behind the obstruction of naso lacrimal duct, tear accumulates in lachrymal sac moderate stimulation mucosa, makes it the inflammation plumpness, is beneficial to the growth of antibacterial.
Obstruction of naso lacrimal duct, chronic dacryocystitis and mucocele of lacrimal sac etc. adopt relatively difficulty of Drug therapy.The most reliable method is to carry out dacryocystorhinostomy operative treatment (comprising dacryocystorhinostomy under traditional dacryocystorhinostomy, the intranasal mirror, lachrymal sac nasal cavity laser neostomy etc.) clinically, promptly newly opens a flow-guiding channel between lachrymal sac and nasal cavity.But because of a variety of causes causes operative effect and success rate and be restricted (the domestic successful rate is less than 90%), main cause is that the fixed support of anastomotic stoma has difficulties according to one's analysis, causes the adhesion of postoperative anastomotic stoma.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of and can supports and fix anastomotic stoma, and can effectively improve the drainage tube of success rate of operation and reliability.
The technical solution of the utility model is as follows: drainage tube is used in a kind of dacryocystorhinostomy operation, has body, and its key is: the end at described body is provided with the button pawl, and the other end of body is provided with positioning disk.
Adopt above technical scheme, in the process that the dacryocystorhinostomy operation is carried out, after the anastomotic stoma for the treatment of lachrymal sac and nasal cavity is offered, drainage tube described in the utility model is placed in the anastomotic stoma, the button pawl is fastened the lachrymal sac wall, and the inwall of positioning disk and nasal cavity is fitted, button pawl and positioning disk combination play axially and circumferential localized effect, and drainage tube is laid in anastomotic stoma firmly, drainage tube supports anastomotic stoma on the one hand and fixes, and prevents the anastomotic stoma adhesion; The outer wall of body can also be oppressed anastomotic stoma on the other hand, plays the hemostatic effect.After operation was finished, the centre bore of drainage tube body played interim water conservancy diversion, and the tear of lachrymal sac is caused nasal cavity; Treat the complete molding of anastomotic stoma, drainage tube can be taken out from nasal cavity, after this carry out the tear drain by anastomotic stoma.This utility model has greatly improved the success rate and the reliability of dacryocystorhinostomy operation, and easy and simple to handle, grasps easily.
Above-mentioned body is a circular arc, and the radius of this circular arc is 10～15mm, and the position shape of body and anastomotic stoma opening adapts like this, and both no-floats prevent that anastomotic stoma adhesion and hemostatic effect are obvious.The radius of body circular arc is advisable with 10～15mm, and too small or mistake mostly can not reach corresponding effects.
Because lachrymal sac is an oblong, the anastomotic stoma opening is oval, for adaptive fully with lachrymal sac and anastomotic stoma, reaches better drainage effect, and the outline of above-mentioned body cross section is oval, and the cross section of body centre bore also is oval.
Above-mentioned button pawl is made up of 2～8 profiles, and each profile is evenly distributed in the outside of body, and an end of profile links to each other with the outer wall of body, and the other end of profile is unsettled.Above structure makes that the button pawl can be with the fastening of lachrymal sac wall, and it is loosening to prevent that drainage tube from taking place.The number of profile is advisable with 2～8, and number is crossed and do not reached localized effect at least, and number too much not only there is no need, and can cause and take out the drainage tube difficulty.
In order further to improve locating effect, above-mentioned profile is a circular arc, and the center of circle of this circular arc is between profile and positioning disk, and the radius of circular arc is 2～6mm.
The cross section of above-mentioned profile reduces to free end gradually from root.The root of profile is bigger, and the energy proof strength prevents that profile from coming off from body; The free end of profile is less, can detain tightlyer on the lachrymal sac wall.
The outline of above-mentioned positioning disk is oval, and the middle part of positioning disk links to each other with the outer wall of body, and positioning disk is the low conical surface of middle part high rim towards the face of button pawl.Positioning disk adopts above structure, and the shape with the nasal cavity joint place adapts on the one hand, helps installing and the location, can guarantee the intensity of positioning disk on the other hand again, prevents that positioning disk from coming off with respect to body.
On above-mentioned positioning disk, offer through hole, this through hole be looped around body around.When laying drainage tube, see through the snapping situation that through hole can be observed button pawl and lachrymal sac wall, catch on through hole with instrument during dismounting and can conveniently drainage tube be extracted out.
Processing for convenience, above-mentioned body, positioning disk and profile are structure as a whole, and are made by macromolecular material.
For the ease of selection, reduce production costs, consider the irritant reaction of material simultaneously to tissue, above-mentioned macromolecular material is polyethylene or polypropylene or silicone rubber or polyurethane.
Beneficial effect: this utility model is skillfully constructed, simple in structure, implement easily, dependable performance, it can support and fix anastomotic stoma, can also oppress anastomotic stoma when preventing the anastomotic stoma adhesion, plays the hemostatic effect; This utility model has greatly improved the success rate and the reliability of dacryocystorhinostomy operation, and success rate of operation can reach more than 99%, and easy and simple to handle, grasps easily, and very high use value is arranged clinically.
Description of drawings
Fig. 1 is an axonometric chart of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is a user mode reference diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 3, dacryocystorhinostomy operation described in the utility model is made of body 1, positioning disk 2 and button pawl with drainage tube, and its middle tube body 1 is a circular arc, and the radius of this circular arc is 10～15mm, specifically neglect practical situation greatly and decide, be preferably 13.9mm in the present embodiment.The outline of body 1 cross section is oval, and the cross section of body 1 centre bore 1a also is oval, and go up on one point at two oval-shaped centers.In the upper end of body 1 the button pawl is set, the following positioning disk 2 that is provided with of body 1.Described button pawl is made up of 2～8 profiles 3, and the concrete number of profile 3 is determined according to actual needs, can be 2,3,5,6,8, and present embodiment is preferably 4.Described each profile 3 is evenly distributed in the outside of body 1, and an end of profile 3 links to each other with the outer wall of body 1, and the other end of profile 3 is unsettled.Profile 3 is a circular arc, and the center of circle of this circular arc is between profile 3 and positioning disk 2, and the radius of circular arc is 2～6mm, and the arc of circular arc top is no more than the end face of body 1, and the cross section of profile 3 is trapezoidal, and the size of cross section reduces to free end gradually from root.
As can be known, the outline of positioning disk 2 is oval from Fig. 1, Fig. 2 and Fig. 3, and eccentric a little position, the middle part of positioning disk 2 links to each other with the outer wall of body 1, and positioning disk 2 is the low conical surface of middle part high rim towards the upper surface of button pawl.Bottom surface with positioning disk 2 is a datum level, and extend obliquely the upper end of body 1, and promptly the vertical line by positioning disk 2 bottom center is departed from the upper end of body 1.On positioning disk 2, also offer a plurality of through hole 2a, each through hole 2a be looped around body 1 around.Described body 1, positioning disk 2 and profile 3 are structure as a whole, and are made by polyethylene or polypropylene or silicone rubber or polyurethane or other similar macromolecular material.
As shown in Figure 4, in the process that the dacryocystorhinostomy operation is carried out, after treating that the lachrymal sac 4 and the anastomotic stoma of nasal cavity 5 are offered, drainage tube described in the utility model is placed in the anastomotic stoma, the unsettled tip of button pawl 3 is fastened the lachrymal sac wall, and positioning disk 2 is fitted with the inwall of nasal cavity 5, button pawl 3 and positioning disk 2 combinations play localized effect, to prevent that drainage tube from taking place axially and circumferentially to move, the assurance drainage tube is laid in anastomotic stoma firmly, does not take place to become flexible and come off.Drainage tube supports anastomotic stoma on the one hand and fixes, and prevents the anastomotic stoma adhesion; The outer wall of body 1 can also be oppressed anastomotic stoma on the other hand, plays the hemostatic effect.After operation was finished, the centre bore 1a of drainage tube body 1 played interim water conservancy diversion, and the tear of lachrymal sac 4 is caused nasal cavity 5; Treat the complete molding of anastomotic stoma, can be pulled outwardly with the through hole 2a that instrument catches on the positioning disk 2, under the effect of external broach, each is detained pawl 3 plastic deformation takes place, draw the back in towards body 1 and enter nasal cavity 5 by anastomotic stoma, and then whole drainage tube can take out from nasal cavity 5, after this carries out the tear drain by anastomotic stoma.
Claims (10)
1, drainage tube is used in a kind of dacryocystorhinostomy operation, has body (1), and it is characterized in that: the end at described body (1) is provided with the button pawl, and the other end of body (1) is provided with positioning disk (2).
2, drainage tube is used in dacryocystorhinostomy operation according to claim 1, and it is characterized in that: described body (1) is circular arc, and the radius of this circular arc is 10～15mm.
3, drainage tube is used in dacryocystorhinostomy operation according to claim 1 and 2, it is characterized in that: the outline of described body (1) cross section is for oval, and the cross section of body (1) centre bore (1a) also is oval.
4, dacryocystorhinostomy operation drainage tube according to claim 1, it is characterized in that: described button pawl is made up of 2～8 profiles (3), each profile (3) is evenly distributed in the outside of body (1), and an end of profile (3) links to each other with the outer wall of body (1), and the other end of profile (3) is unsettled.
5, drainage tube is used in dacryocystorhinostomy operation according to claim 4, and it is characterized in that: described profile (3) is circular arc, and the center of circle of this circular arc is between profile (3) and positioning disk (2), and the radius of circular arc is 2～6mm.
6, drainage tube is used in dacryocystorhinostomy operation according to claim 5, and it is characterized in that: the cross section of described profile (3) reduces to free end gradually from root.
7, dacryocystorhinostomy operation drainage tube according to claim 1, it is characterized in that: the outline of described positioning disk (2) is for oval, the middle part of positioning disk (2) links to each other with the outer wall of body (1), and positioning disk (2) is the low conical surface of middle part high rim towards the face of button pawl.
8, drainage tube is used in dacryocystorhinostomy according to claim 7 operation, it is characterized in that: on described positioning disk (2), offer through hole (2a), this through hole (2a) be looped around body (1) around.
9, use drainage tube according to claim 4 or 5 or 6 or 7 or 8 described dacryocystorhinostomy operations, it is characterized in that: described body (1), positioning disk (2) and profile (3) are structure as a whole, and are made by macromolecular material.
10, drainage tube is used in dacryocystorhinostomy operation according to claim 9, and it is characterized in that: described macromolecular material is polyethylene or polypropylene or silicone rubber or polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820100498 CN201283017Y (en) | 2008-11-10 | 2008-11-10 | Drainage tube for dacryocyst and nasal cavity anastomosis operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820100498 CN201283017Y (en) | 2008-11-10 | 2008-11-10 | Drainage tube for dacryocyst and nasal cavity anastomosis operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201283017Y true CN201283017Y (en) | 2009-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820100498 Expired - Fee Related CN201283017Y (en) | 2008-11-10 | 2008-11-10 | Drainage tube for dacryocyst and nasal cavity anastomosis operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201283017Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104586565A (en) * | 2014-12-31 | 2015-05-06 | 温州医科大学附属眼视光医院 | Lacrimal pump physiological mechanism imitating lacrimal drainage device |
| RU2558994C1 (en) * | 2014-05-12 | 2015-08-10 | Государственное бюджетное учреждение "Уфимский научно-исследовательский институт глазных болезней Академии наук Республики Башкортостан" | Drain tube for lachrymal surgery |
| CN106264777A (en) * | 2015-06-08 | 2017-01-04 | 三鼎生物科技股份有限公司 | Auxiliary dacryagogue |
| CN108295355A (en) * | 2018-03-21 | 2018-07-20 | 四川大学华西医院 | A kind of stacked casing and preparation method thereof for dacryocystorhinostomy |
| CN108295356A (en) * | 2018-03-21 | 2018-07-20 | 四川大学华西医院 | One kind is for dacryocystorhinostomy casing and preparation method thereof |
| CN111921065A (en) * | 2020-06-03 | 2020-11-13 | 王安 | Prevent thin film drainage tube that intestines and abdomen are even |
-
2008
- 2008-11-10 CN CN 200820100498 patent/CN201283017Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2558994C1 (en) * | 2014-05-12 | 2015-08-10 | Государственное бюджетное учреждение "Уфимский научно-исследовательский институт глазных болезней Академии наук Республики Башкортостан" | Drain tube for lachrymal surgery |
| CN104586565A (en) * | 2014-12-31 | 2015-05-06 | 温州医科大学附属眼视光医院 | Lacrimal pump physiological mechanism imitating lacrimal drainage device |
| CN104586565B (en) * | 2014-12-31 | 2016-08-24 | 温州医科大学附属眼视光医院 | A kind of tear drainage device of imitative tear pump physiological mechanism |
| CN106264777A (en) * | 2015-06-08 | 2017-01-04 | 三鼎生物科技股份有限公司 | Auxiliary dacryagogue |
| CN108295355A (en) * | 2018-03-21 | 2018-07-20 | 四川大学华西医院 | A kind of stacked casing and preparation method thereof for dacryocystorhinostomy |
| CN108295356A (en) * | 2018-03-21 | 2018-07-20 | 四川大学华西医院 | One kind is for dacryocystorhinostomy casing and preparation method thereof |
| CN108295356B (en) * | 2018-03-21 | 2020-04-07 | 四川大学华西医院 | Cannula for dacryocystorhinostomy and preparation method thereof |
| CN108295355B (en) * | 2018-03-21 | 2020-04-07 | 四川大学华西医院 | Superposed sleeve for dacryocystorhinostomy and preparation method thereof |
| CN111921065A (en) * | 2020-06-03 | 2020-11-13 | 王安 | Prevent thin film drainage tube that intestines and abdomen are even |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhiquan Inventor after: He Pengju Inventor after: Fan Jinlu Inventor after: Zhang Jiang Inventor before: Wang Zhiquan Inventor before: He Pengju |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG ZHIQUAN; HE PENGJU TO: WANG ZHIQUAN; HE PENGJU; FAN JINLU; ZHANG QIANG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20171110 |