CN201283018Y - Medical drainage tube injection sleeve - Google Patents
Medical drainage tube injection sleeve Download PDFInfo
- Publication number
- CN201283018Y CN201283018Y CN 200820100497 CN200820100497U CN201283018Y CN 201283018 Y CN201283018 Y CN 201283018Y CN 200820100497 CN200820100497 CN 200820100497 CN 200820100497 U CN200820100497 U CN 200820100497U CN 201283018 Y CN201283018 Y CN 201283018Y
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- CN
- China
- Prior art keywords
- cylindrical shell
- drainage tube
- chassis
- medical drainage
- utility
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Abstract
The utility model discloses a medical drainage tube unfolder sleeve barrel, which comprises a barrel body (1) which is a through pipe. The upper end of the barrel body (1) is an arc section, and the other portions are straight sections, and the lower end of the barrel body (1) is provided with a base plate (2). The utility model is novel in conception, easy to put to effect and reliable in performance, which can assist drainage tube installation conveniently, fast and accurately, is convenient to operate and easy to grasp, and clinically has high value in application.
Description
Technical field
This utility model relates to a kind of medical apparatus, relates in particular to the auxiliary injector sleeve that drainage tube is installed in the dacryocystorhinostomy operation.
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.If in operation, adopt drainage tube to fix the support anastomotic stoma, then can improve success rate greatly, but how carry out drainage tube installation having become the technical barrier that needs to be resolved hurrily easily.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of medical drainage tube injector sleeve, so that quickly and accurately drainage tube is in place.
The technical solution of the utility model is as follows: a kind of medical drainage tube injector sleeve, have cylindrical shell, and its key is: described cylindrical shell is a through-pipe structure, and the upper end of this cylindrical shell is an arc section, and remainder is a straight section, is provided with the chassis in the lower end of described cylindrical shell.
Because drainage tube upper end used in the dacryocystorhinostomy operation has the button pawl, the lower end has positioning disk, and overall height dimension is less, directly fills in nasal cavity and packs very difficulty of anastomotic stoma into.Sleeve described in the utility model can solve the installation difficult problem of drainage tube.During installation, earlier drainage tube is put into the intravital top of sleeve tube, the button pawl of drainage tube and positioning disk are subjected to the compressing generation plastic deformation of cylindrical shell centre bore hole wall, make drainage tube can not come off out from cylindrical shell, then hand-held telescopic chassis, telescopic upper end is filled in the nasal cavity, and make telescopic upper port aim at anastomotic stoma, and insert push rod from telescopic lower end then, with push rod drainage tube is ejected from sleeve, drainage tube enters in the anastomotic stoma, and anastomotic stoma is carried out fixed support.The upper end of this utility model middle cylinder body is an arc section, adapts with the shape near the anastomotic stoma place in the nasal cavity, so that with the accurate para-position of anastomotic stoma; The lower end of cylindrical shell is provided with the chassis, can conveniently grip.
For adaptive fully with nasal cavity and drainage tube, further improve the convenience of installing, the outline of above-mentioned cylindrical shell cross section is oval, the cross section of cylindrical shell centre bore also is oval.
Be provided with groove on the hole wall of above-mentioned cylindrical shell centre bore, the two ends of this groove connect the upper and lower end face to cylindrical shell respectively, and the position of the corresponding groove of described cylinder body outer wall forms fin.The pawl bar of drain pipe thread pawl can snap in the groove of cylinder inboard wall, can prevent effectively that like this drainage tube rotates in the process of installing, and makes that para-position is easy when installing; Position at the corresponding groove of cylinder body outer wall forms fin, can reduce telescopic volume.
On the above-mentioned hole wall of stating the cylindrical shell centre bore, be provided with 2～8 equally distributed grooves.The concrete number of groove adapts with the pawl bar of button pawl, and each grab bar snaps in the corresponding groove, can reach better anti-rotation effect.
The outline on above-mentioned chassis is oval, and the straight section of chassis and cylindrical shell is perpendicular, and the middle part on chassis links to each other with the outer wall of cylindrical shell.Above structure is adopted on the chassis, helps on the one hand gripping and the location, on the other hand again can proof strength, prevent to come off from cylindrical shell.
Processing for convenience, above-mentioned cylindrical shell and chassis are structure as a whole.
Beneficial effect: this utility model is novel, simple in structure, enforcement is easy, dependable performance, and its can assist drainage tube to install convenient, fast, exactly, and easy and simple to handle, is easy to grasp, 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 vertical view of Fig. 1.
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, medical drainage tube injector sleeve described in the utility model is made of cylindrical shell 1 and chassis 2, and cylindrical shell 1 and chassis 2 are structure as a whole.Its middle cylinder body 1 is a through-pipe structure, and the upper end of this cylindrical shell 1 is an arc section, and near the shape concrete radian and the nasal cavity anastomotic stoma adapts, and the remainder of cylindrical shell 1 is a straight section.In the lower end of described cylindrical shell 1 chassis 2 is set, the outline on chassis 2 is oval, and chassis 2 is perpendicular with the straight section of cylindrical shell 1, and the middle part on chassis 2 links to each other with the outer wall of cylindrical shell 1.
As Fig. 1, shown in Figure 3, the outline of cylindrical shell 1 cross section is oval, and the cross section of cylindrical shell 1 centre bore 1a also is oval, and go up on one point at two oval-shaped centers.Be provided with 2～8 equally distributed groove 1b on the hole wall of cylindrical shell 1 centre bore 1a, the concrete number of groove 1b is determined according to actual needs, can be 2,3,5,6,8, and present embodiment is preferably 4.The upper/lower terminal of described groove 1b connects the upper and lower end face to cylindrical shell 1 respectively, and the position of the corresponding groove 1b of cylindrical shell 1 outer wall forms fin 1c.
As can be known from Fig. 4, used drainage tube 3 upper ends have button pawl 3a in the dacryocystorhinostomy operation, and the lower end has positioning disk 3b.When sleeve described in the utility model is used for assisting drainage tube 3 to install, earlier drainage tube 3 is put into the top of sleeve cylindrical shell 1, the button pawl 3a of drainage tube and positioning disk 3b are subjected to the compressing generation plastic deformation of cylindrical shell centre bore 1a hole wall, and the grab bar of button pawl 3a snaps among the corresponding groove 1b, can prevent that drainage tube 3 from rotating, can avoid drainage tube 3 from cylindrical shell 1, to come off out again, then hand-held telescopic chassis 2, telescopic upper end is filled in the nasal cavity, and make telescopic upper port aim at anastomotic stoma, and insert push rod 4 from telescopic lower end then, with push rod 4 drainage tube 3 is ejected from sleeve, drainage tube enters in the anastomotic stoma, can carry out fixed support to anastomotic stoma.
Claims (6)
1, a kind of medical drainage tube injector sleeve has cylindrical shell (1), it is characterized in that: described cylindrical shell (1) is a through-pipe structure, and the upper end of this cylindrical shell (1) is an arc section, and remainder is a straight section, is provided with chassis (2) in the lower end of described cylindrical shell (1).
2, medical drainage tube injector sleeve according to claim 1 is characterized in that: the outline of described cylindrical shell (1) cross section is for oval, and the cross section of cylindrical shell (1) centre bore (1a) also is oval.
3, medical drainage tube injector sleeve according to claim 2, it is characterized in that: on the hole wall of described cylindrical shell (1) centre bore (1a), be provided with groove (1b), the two ends of this groove (1b) connect respectively to the upper and lower end face of cylindrical shell (1), and the position of the corresponding groove of described cylindrical shell (1) outer wall (1b) forms fin (1c).
4, medical drainage tube injector sleeve according to claim 3 is characterized in that: be provided with 2～8 equally distributed grooves (1b) on the hole wall of described cylindrical shell (1) centre bore (1a).
5, medical drainage tube injector sleeve according to claim 1 is characterized in that: the outline of described chassis (2) is for oval, and chassis (2) are perpendicular with the straight section of cylindrical shell (1), and the middle part of chassis (2) links to each other with the outer wall of cylindrical shell (1).
6, according to claim 1 or 2 or 3 or 4 or 5 described medical drainage tube injector sleeves, it is characterized in that: described cylindrical shell (1) and chassis (2) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820100497 CN201283018Y (en) | 2008-11-10 | 2008-11-10 | Medical drainage tube injection sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820100497 CN201283018Y (en) | 2008-11-10 | 2008-11-10 | Medical drainage tube injection sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201283018Y true CN201283018Y (en) | 2009-08-05 |
Family
ID=40948002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820100497 Expired - Fee Related CN201283018Y (en) | 2008-11-10 | 2008-11-10 | Medical drainage tube injection sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201283018Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115737229A (en) * | 2022-10-26 | 2023-03-07 | 江苏省人民医院（南京医科大学第一附属医院） | Lacrimal sac nasal cavity introducer and drainage bracket |
-
2008
- 2008-11-10 CN CN 200820100497 patent/CN201283018Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115737229A (en) * | 2022-10-26 | 2023-03-07 | 江苏省人民医院（南京医科大学第一附属医院） | Lacrimal sac nasal cavity introducer and drainage bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20101110 |