CN102225031A - Lacrimal passage drainage system - Google Patents
Lacrimal passage drainage system Download PDFInfo
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- CN102225031A CN102225031A CN2011101646116A CN201110164611A CN102225031A CN 102225031 A CN102225031 A CN 102225031A CN 2011101646116 A CN2011101646116 A CN 2011101646116A CN 201110164611 A CN201110164611 A CN 201110164611A CN 102225031 A CN102225031 A CN 102225031A
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- Prior art keywords
- lacrimal passage
- probing
- passage pipe
- pressure cap
- pipe
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- 238000011010 flushing procedure Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 2
- 210000003928 nasal cavity Anatomy 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
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- 230000007774 longterm Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 8
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- 238000002513 implantation Methods 0.000 description 7
- 210000004083 nasolacrimal duct Anatomy 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 206010063560 Excessive granulation tissue Diseases 0.000 description 4
- 230000003872 anastomosis Effects 0.000 description 4
- 210000001126 granulation tissue Anatomy 0.000 description 4
- 239000007943 implant Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
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- 210000000744 eyelid Anatomy 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010018691 Granuloma Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002260 anti-inflammatory agent Substances 0.000 description 1
- 230000001741 anti-phlogistic effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The invention provides a lacrimal passage drainage system. The lacrimal passage drainage system is characterized by comprising a hollow lacrimal passage drainage tube and a press cap which is positioned at the top of the lacrimal passage drainage tube, is connected with the lacrimal passage drainage tube and is provided with a central round hole having the same inner diameter as the inner diameter of the lacrimal passage drainage tube; the press cap is provided with a cap edge piece extending outwards from the edge of the central round hole; and the inner wall of the lacrimal passage drainage tube is smooth. The lacrimal passage drainage system provided by the invention has simple structure and good stability, can be implanted into the nasal cavity of a human body for long-term use without rejection reaction, and can work together with the corresponding components as required to achieving the functions of cleaning, dredging, draining and redundant tissue removing.
Description
Technical field
The present invention relates to a kind of medical apparatus, particularly relate to a kind of probing of lacrimal passage system that is used for the treatment of obstructed lacrimal passage.
Background technology
At present, treating obstructed lacrimal passage method commonly used at present is to implement nasal cavity lachrymal sac anastomosis operation, lacrimal passage intubation operation, lacrimal stent operation etc.The damage of nasal cavity lachrymal sac anastomosis is bigger, and lacrimal passage intubation operation postoperative recurrence rate is higher.Lacrimal stent place lacrimal passage of a specified duration easy generation granuloma send out to cause once more and stop up, particularly because the intractable lacrimal passage disease that can't lead to again that a variety of causes such as wound, tumor, congenital lacrimal passage deformity cause, be insurmountable clinically problem, cause very big misery to patient.
Summary of the invention
The present invention finishes in order to solve deficiency of the prior art, the purpose of this invention is to provide a kind of simple in structure, easy operating, rejection is lower and probing of lacrimal passage system that can permanent indwelling lacrimal passage.
Technical scheme of the present invention is:
A kind of probing of lacrimal passage system is characterized in that: the probing of lacrimal passage pipe and the top that is positioned at described probing of lacrimal passage pipe, pressure cap that be connected with described probing of lacrimal passage pipe, that have the center hole identical with the internal diameter of described probing of lacrimal passage pipe that comprise hollow; Described pressure cap stretches out from the bore edges of perforate and forms the shade sheet; The inner wall smooth of described probing of lacrimal passage pipe.
Further,
The pipe that described probing of lacrimal passage pipe is served as reasons gold or titanium or Nitinol or made by medical macromolecular materials.
Described pressure cap and described probing of lacrimal passage pipe are one-body molded.
Described probing of lacrimal passage pipe is removably fixedlyed connected with described pressure cap; The hole wall of the center hole of described pressure cap extends to form the tubular extension of perforation downwards, described extension is inserted from described pressure cap below in the top of described probing of lacrimal passage pipe, the outer tube wall of described probing of lacrimal passage pipe closely contacts with the inwall of extension, and described probing of lacrimal passage pipe is removably fixedlyed connected with described pressure cap; Perhaps the hole wall of the circular hole at the center of described pressure cap extends to form the tubular extension of perforation downwards, the last pipeline section of probing of lacrimal passage pipe is stretched in described extension from the top of probing of lacrimal passage pipe, the inner tubal wall of probing of lacrimal passage pipe is closely contacted with the outer wall of extension, the probing of lacrimal passage pipe is removably fixedlyed connected with pressure cap.
The shade sheet of described pressure cap is annulus lamellar or oval lamellar or flap-like.
Again further, described probing of lacrimal passage system comprises flushing needle, the syringe needle of described flushing needle inserts described probing of lacrimal passage pipe by the center hole of described pressure cap, the middle part elastic arc sigmoid of the syringe needle of described flushing needle, to go deep into described probing of lacrimal passage pipe, push the needle handle of described flushing needle, the liquid in the needle tubing is advanced described probing of lacrimal passage pipe.
Further, described probing of lacrimal passage system comprises dredges part, and a described end of dredging part inserts described probing of lacrimal passage pipe by the center hole of described pressure cap.
Again further, described probing of lacrimal passage system comprises fixation hook, described fixation hook is made up of with the hook of fixedlying connected with described handle handle, the shade sheet of described pressure cap is provided with the fixing aperture of usefulness, described fixation hook is connected with described pressure cap by described aperture, to fix described probing of lacrimal passage system.
Also further, described probing of lacrimal passage system comprises the drain silk, described drain silk is made by the polypropylene for medical article material, and the one end inserts described probing of lacrimal passage pipe by the center hole of described pressure cap, and further stretches out from the open-ended of lower tube section of described probing of lacrimal passage pipe; The other end of described drain silk expand gradually form be stuck in described probing of lacrimal passage pipe outer, be convenient to the fixedly shank of usefulness, there is perforate at described shank center, also be provided with a suture hole on the shade sheet of described pressure cap, the line in the suture hole by passing described perforate and described pressure cap links together described drain silk and described probing of lacrimal passage pipe.
The cross sectional shape of described drain silk is the semicircle of its diameter less than the internal diameter of described probing of lacrimal passage pipe.
Probing of lacrimal passage system structure of the present invention is simple, good stability, rejection property is low, the tear drainage better function, can be implanted in human nasal intracavity (eyelid fornix portion now for a long time, lachrymal sac portion and nasolacrimal duct portion), can use all the year round, can cooperate with corresponding parts as required, realize implanting, drain, clean, mediation, the dirt and the deposit of the tube wall of probing of lacrimal passage pipe blocked in the periodic cleaning meeting, it is suitable for reading to remove the probing of lacrimal passage pipe, the paraplasm granulation tissue of end opening the more important thing is that the patient is implanting the misery that probing of lacrimal passage Guan Houke of the present invention avoids nasal cavity lachrymal sac anastomosis operation.
Description of drawings
Fig. 1 is the structural representation of the probing of lacrimal passage system of embodiments of the invention 1.
Fig. 2 is the structural representation of looking up of Fig. 1.
Fig. 3 is the sequential schematic of implantation probing of lacrimal passage of the present invention system.
Fig. 4 is the plan structure sketch map of the pressure cap of embodiments of the invention 2.
Fig. 5 is the main TV structure sketch map of the pressure cap of embodiments of the invention 2.
Fig. 6 is the plan structure sketch map of the pressure cap of embodiments of the invention 3.
Fig. 7 is the main TV structure sketch map of the pressure cap of embodiments of the invention 3.
Fig. 8 is the plan structure sketch map of the pressure cap of embodiments of the invention 4.
Fig. 9 is the main TV structure sketch map of the pressure cap of embodiments of the invention 4.
Figure 10 be embodiments of the invention 5 the structural representation of probing of lacrimal passage system.
Figure 11 is the structural representation of the flushing needle of embodiments of the invention 6.
Figure 12 is the main TV structure sketch map of dredging part of embodiments of the invention 7.
Figure 13 is the side-looking structural representation of dredging part of embodiments of the invention 7.
Figure 14 is the main TV structure sketch map of dredging part of embodiments of the invention 8.
Figure 15 is the side-looking structural representation of dredging part of embodiments of the invention 8.
Figure 16 is the backsight structural representation of dredging part of embodiments of the invention 8.
Figure 17 is the structural representation of dredging silk of embodiments of the invention 9.
Figure 18 is the structural representation of the fixation hook of embodiments of the invention 10.
Figure 19 is the structural representation of the pressure cap of embodiments of the invention 10.
Figure 20 is the structural representation of the drain silk of embodiments of the invention 11.
Figure 21 is the structural representation of the pressure cap of embodiments of the invention 11.
The figure number explanation
1... probing of lacrimal passage pipe 2... pressure cap 3... center hole 4... shade sheet 5... opening
6... extension 7... syringe needle 8... needle tubing 9... advances handle 10... to dredge silk
11... tinsel 12... handle 13... disk 14... handle 15... hook
16... aperture 17... drain silk ... 18... shank 19... perforate 20... suture hole
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail by specific embodiment.
Embodiment 1
Probing of lacrimal passage of the present invention system shown in Fig. 1-2, the probing of lacrimal passage pipe 1 that comprises hollow with the top that is positioned at probing of lacrimal passage pipe 1,, pressure cap 2 with the internal diameter of probing of lacrimal passage pipe 1 identical center hole 31 that be connected with the probing of lacrimal passage pipe.
Because the patient of all ages and classes or even we can say that concrete data such as the nasal cavity width of Different Individual, the degree of depth of conjunctival sac and the flexibility of nasolacrimal duct are not quite similar, therefore, the length of probing of lacrimal passage pipe of the present invention need be adjusted according to above-mentioned parameter, and the length of general probing of lacrimal passage pipe is 20～60mm.The external diameter of probing of lacrimal passage pipe is determined according to human anatomic structure, preferred 0.8～4.0mm.Preferred 0.6～the 1.8mm of the internal diameter of probing of lacrimal passage pipe of the present invention.The tube wall of probing of lacrimal passage pipe of the present invention should approach as far as possible, and to increase the space of the hollow that can flow through for liquid in the pipe in limited space as far as possible, the water conservancy diversion that helps liquid passes through, and better to be dredged effect, obtains excellent curative.Preferred 0.1～the 0.4mm of the thickness of pipe wall of probing of lacrimal passage pipe of the present invention.。
The inwall of probing of lacrimal passage pipe of the present invention in addition should be tried one's best smoothly, to avoid causing the tube wall obstruction because of the precipitate deposition.
In this example, probing of lacrimal passage pipe 1 and pressure cap 2 are integrated.
In this example, pressure cap 2 forms shade sheet 4 from the outside horizontal-extending of the bore edges of center hole 3.The preferred 0.5mm-12mm of the thickness of shade sheet, and the edge of preferred shade sheet circle is blunt,
In this example, the shade sheet of pressure cap 2 be shaped as the annulus lamellar.
In this example, probing of lacrimal passage pipe 1 pipe for making with medical macromolecular materials is the straight tube shape, its inner wall smooth, so that water conservancy diversion, the tube chamber of the hollow that liquid can be by the probing of lacrimal passage pipe flows out probing of lacrimal passage of the present invention system from the bottom opening 5 of probing of lacrimal passage pipe.
In this example, probing of lacrimal passage pipe range 35mm, internal diameter 0.6mm, external diameter 0.8mm, thickness of pipe wall 0.2mm, shade external diameter 3mm.
When the treatment of enforcement obstructed lacrimal passage was performed the operation, fornix portion was to oblique down about miter angle insertion lachrymal sac down in conjunctival sac with the probing of lacrimal passage pipe, and via intranasal application is made mouth should manage importing, and its bottom opening 5 is planted in the middle nasal meatus.The outer wall of preferred probing of lacrimal passage pipe has shallow thread shape decorative pattern, increases frictional force, is convenient to fix.
It is not visible that probing of lacrimal passage of the present invention system looks from uke's outside.The probing of lacrimal passage pipe is embedded in inside of human body, and the shade sheet of pressure cap is retained in the human body palpebra inferior arched roof, only opens uke's lower eyelid, just can indistinctly see the shade sheet.The existence of pressure cap is connected with the tight of probing of lacrimal passage pipe with it, guarantees that further the probing of lacrimal passage pipe is maintained at it and is placed the place, the mouth of pipe can not take place block, and coming off and sliding of probing of lacrimal passage pipe more can not taken place.
The order of probing of lacrimal passage of the present invention system implant into body as shown in Figure 3, at first the sleeve pipe with hollow descends fornix portion to insert lachrymal sac in conjunctival sac, telescopic bottom has sharp point, help telescopic implantation, on the telescopic tube wall scale can be arranged, be convenient to operative doctor and understand the degree of depth that sleeve pipe inserts inside of human body, to can insert along telescopic tube chamber by graduated nook closing member on the same outer wall then, and grasp the nook closing member insertion depth in real time, extract sleeve pipe again out, nasolacrimal duct has obtained expansion under telescopic effect, the sheathed probing of lacrimal passage of the present invention system from nook closing member top again, and help the auxiliary of apparatus (not shown) down the probing of lacrimal passage system to be advanced downwards pushing away, make the probing of lacrimal passage pipe reach implantation position.
In addition, in order better to grasp the situation of carrying out of operation, the implantation depth of probing of lacrimal passage pipe preferably marks scale on the outer tube wall of probing of lacrimal passage pipe in other words.
In addition, the structure for pressure cap can further improve the stability after implanting such as consideration, the shade sheet can be made the form of interlayer, palpebra inferior is clamped between the interlayer, further increases the stability of whole probing of lacrimal passage system, increase the service life.
This example shown in Fig. 4-5 is with the difference of embodiment 1: the connected mode of pressure cap and probing of lacrimal passage pipe is different.In this example, pressure cap and probing of lacrimal passage pipe are not integrated, but detachable.In this example, the hole wall of center hole 3 extends to form the tubular extension 6 of perforation downwards, and extension 6 is inserted at the top of probing of lacrimal passage pipe 1 from pressure cap 2 belows, and the outer tube wall of probing of lacrimal passage pipe 1 closely contacts with the inwall of extension 6, makes both removably fixedly connected.
The present invention can also make the inner tubal wall of probing of lacrimal passage pipe closely contact with the outer wall of extension, thereby probing of lacrimal passage pipe and pressure cap removably are fixed together by the extension is stretched in the last pipeline section of probing of lacrimal passage pipe from the top of probing of lacrimal passage pipe.
In this example, probing of lacrimal passage pipe range 30mm, internal diameter 0.8mm, external diameter 1.0mm, thickness of pipe wall 0.2mm, shade external diameter 3.2mm.
This example and the difference of embodiment 2 are that the shape of shade sheet of pressure cap 2 is different, and in this example, the shade sheet is the oval lamellar shown in Fig. 6-7, and the circular hole by its center removably closely is connected with the probing of lacrimal passage pipe equally.
The difference of this example and embodiment 2 and embodiment 3 is that the shape of shade sheet of pressure cap 2 is different, in this example, the shade sheet is the flap-like shown in Fig. 8-9, in order to adapt to organization of human body, fin is slightly curved obliquely upward, and the circular hole by its center removably closely is connected with the probing of lacrimal passage pipe equally.
This example is with the difference of embodiment 1: the probing of lacrimal passage system in this example is made with the proof gold material, and it can not make human body generation rejection.When the treatment operation of implementing obstructed lacrimal passage, with the probing of lacrimal passage pipe in the conjunctival sac down fornix portion to oblique down about miter angle insertion lachrymal sac, when touching the bone wall, vertically enter, import bone nose lacrimal passage pipe, make the bottom of probing of lacrimal passage pipe insert nasolacrimal duct, be opened on inferior nasal meatus, in the operation according to the physiological bending degree of uke's lacrimal passage, the top of probing of lacrimal passage pipe is done the arcuation bending of slyness to a certain degree, make whole probing of lacrimal passage pipe be the shape of summary bending as shown in figure 10, do not need again further down mediation.The angle [alpha] of bending as shown in figure 10 is 10-30 ° and gets final product.And preferred probing of lacrimal passage pipe outer wall is smooth.
Probing of lacrimal passage system in this example adopts gold material to make, as implant, can become permanent lacrimal passage, because the chemical analysis of gold is stable and the antibacterial action of heavy metallic salt, such gold justice pipe is less to the stimulation of surrounding tissue, and does not have obvious inflammatory reaction, so can be used as permanent implant, because of gold has good ductility, pliability and shaping, making various camber forms easily again, is a kind of preferred adopted tube material.
Consider easy to operate, the quick and good surgical effect of operative doctor, it is also conceivable that and on the tube wall on the top of the probing of lacrimal passage pipe made from gold, increase an inside recessed little groove, like this after confirming implantation depth, can be along this groove bending probing of lacrimal passage pipe, the better effects if of bending, can reduce operating time again, reduce patient's misery.
Probing of lacrimal passage system in this example also comprises as shown in figure 11 a flushing needle, the syringe needle 7 of flushing needle inserts probing of lacrimal passage pipe 1 by the circular hole 3 at the center of pressure cap 2, the syringe needle of flushing needle has elasticity, the slightly bending of its middle part, can go deep into the probing of lacrimal passage pipe more, full of liquid in the needle tubing 8 of flushing needle is when needs flushing probing of lacrimal passage pipe 1, the propelling handle 9 of pushing flushing needle advances probing of lacrimal passage pipe 1 with the liquid in the needle tubing 8.Here used liquid can be normal saline or liquid medicine with bactericidal antiphlogistic function, with the sterilization that carries out disinfection of the tissue to probing of lacrimal passage pipe lower part outlet place.
In this example, the bowing shape that the middle part of syringe needle is complementary for the shape with the probing of lacrimal passage pipe of embodiment 5.
This example also is with the difference of embodiment 1: the probing of lacrimal passage system in this example comprises dredges part, dredges the center hole 3 insertion probing of lacrimal passage pipes 1 of an end of part by pressure cap 2.
Dredge part shown in Figure 12-13 in this example, be made of metal, the one end shows as tinsel 11, stretch into the probing of lacrimal passage pipe, its length is answered long enough, so that its end that stretches into the probing of lacrimal passage pipe stretches out from the bottom opening of the lower tube section of probing of lacrimal passage pipe, with mediation nasolacrimal duct lower end, the other end be positioned at the probing of lacrimal passage pipe outer and gradually expansion form the handle 12 of being convenient to grasping.The material that part is dredged in making can be the metal material that can not cause the human body rejection, as gold, titanium etc.
Embodiment 8
This example is with the difference of embodiment 7: the stability when considering practical operation, on the handle 12 of dredging part, also be fixed with the disk 13 shown in Figure 14-16, with further increase grasping area, the probing of lacrimal passage system the when circular hole of an end that guarantees to dredge part by the center of pressure cap inserts the probing of lacrimal passage pipe stable.
The difference of this example and embodiment 8 is: what the tinsel of dredging part in this example developed into hollow dredges the pipe (not shown), this is dredged pipe and stretches into the probing of lacrimal passage pipe, this dredge can insert in the tube chamber of pipe as shown in figure 17 dredge silk 10 with what the polypropylene for medical article material was made, dredging silk 10 inserts from the tube chamber opening part on the top of dredging pipe, stretch out from the opening of the bottom of the lower tube section of probing of lacrimal passage pipe, after waiting to dredge silk 10 implantation, can extract out and dredge pipe, only keep and dredge silk in human body, and draw it and move up and down, play the expansion inferior nasal meatus, it is suitable for reading to remove the probing of lacrimal passage pipe, the paraplasm granulation tissue of end opening reaches the effect of dredging nasolacrimal duct.
Here dredge the silk can also use nickel-titanium memory steel wire (not shown), after the opening of the bottom of the lower tube section of one end insertion probing of lacrimal passage Guan Bingcong probing of lacrimal passage pipe stretches out, can be according to its memory characteristic bending, to make great efforts returning to original degree of crook, play and remove that drainage tube is suitable for reading, the effect of the paraplasm granulation tissue of end opening.
In order to obtain better stablizing effect, the possibility of avoiding the patient to come to harm, probing of lacrimal passage of the present invention system is being carried out the cleaning of previous embodiment 6-9, sterilization, when removing outgrowth unnecessary organizing, also can be used fixation hook as shown in figure 18, this fixation hook is made up of with the hook 15 of fixedlying connected with handle handle 14, in this case, preferably on the shade sheet of as shown in figure 19 pressure cap, the fixedly aperture 16 of usefulness is set, the hook 15 of fixation hook passes this aperture 16, realize being connected with pressure cap, when flushing or mediation probing of lacrimal passage pipe, can make whole probing of lacrimal passage system more stable.
This example is with the difference of embodiment 1: the probing of lacrimal passage system in this example comprises the drain silk 17 of the drain function of increase system as shown in figure 20, the drain silk can adopt the polypropylene for medical article material to make, the one end inserts the probing of lacrimal passage pipe by the circular hole at the center of pressure cap, and further stretch out from the opening of the bottom of the lower tube section of probing of lacrimal passage pipe, the other end of drain silk is expanded gradually in its end to form and is convenient to fixed shank 18, there is perforate 19 at the center of shank 18, and also be provided with a suture hole 20 on the shade sheet of pressure cap, by the line (not shown) of passing perforate 19 and the suture hole 20 of as shown in figure 21 pressure cap drain silk 17 and lacrimal passage lacrimal passage guiding tube 1 are linked together, the stability of the whole probing of lacrimal passage system when guaranteeing that the drain silk inserts the probing of lacrimal passage pipe, and can prevent any slip of drain silk, avoid the injury that may cause to human body.In fact, also can be as the aperture of describing among the embodiment 10 16 as the suture hole in this example.
The diameter of drain silk of the present invention should be less than the internal diameter of lacrimal passage guiding tube, preferred its cross sectional shape is semicircle, like this when concrete operations, when the drain silk inserts the probing of lacrimal passage pipe, the semicircle arcuation outer wall of drain silk is near the inwall of probing of lacrimal passage pipe, and having the space that can pass through for liquid between the inwall of the outer wall of its flat condition and probing of lacrimal passage pipe, liquid flows downward under action of gravity in this space, and is conducted to the outside of probing of lacrimal passage system.Such setting, the drain better effects if.
Probing of lacrimal passage system structure of the present invention is simple, good stability, can be implanted in the human nasal intracavity for a long time, can use all the year round, rejection can not take place in human body, can be as required with corresponding parts such as flushing needle, dredge part, drain silk, fixation hook etc. and cooperate, realize that implantation, drain, cleaning, mediation, periodic cleaning meeting block the dirt and the deposit of closing, can also remove that drainage tube is suitable for reading, the paraplasm granulation tissue of end opening.The more important thing is and implant the misery that this Guan Houke has avoided nasal cavity lachrymal sac anastomosis operation.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs to the protection domain of technical solution of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. a probing of lacrimal passage system is characterized in that: the probing of lacrimal passage pipe and the top that is positioned at described probing of lacrimal passage pipe, pressure cap that be connected with described probing of lacrimal passage pipe, that have the center hole identical with the internal diameter of described probing of lacrimal passage pipe that comprise hollow; Described pressure cap stretches out from the bore edges of perforate and forms the shade sheet; The inner wall smooth of described probing of lacrimal passage pipe.
2. probing of lacrimal passage according to claim 1 system is characterized in that: the pipe that described probing of lacrimal passage pipe is served as reasons gold or titanium or Nitinol or made by medical macromolecular materials.
3. probing of lacrimal passage according to claim 2 system, it is characterized in that: described pressure cap and described probing of lacrimal passage pipe are one-body molded.
4. probing of lacrimal passage according to claim 2 system, it is characterized in that: described probing of lacrimal passage pipe is removably fixedlyed connected with described pressure cap; The hole wall of the center hole of described pressure cap extends to form the tubular extension of perforation downwards, described extension is inserted from described pressure cap below in the top of described probing of lacrimal passage pipe, the outer tube wall of described probing of lacrimal passage pipe closely contacts with the inwall of extension, and described probing of lacrimal passage pipe is removably fixedlyed connected with described pressure cap; Perhaps the hole wall of the circular hole at the center of described pressure cap extends to form the tubular extension of perforation downwards, the last pipeline section of probing of lacrimal passage pipe is stretched in described extension from the top of probing of lacrimal passage pipe, the inner tubal wall of probing of lacrimal passage pipe is closely contacted with the outer wall of extension, the probing of lacrimal passage pipe is removably fixedlyed connected with pressure cap.
5. probing of lacrimal passage according to claim 2 system, it is characterized in that: the shade sheet of described pressure cap is annulus lamellar or oval lamellar or flap-like.
6. probing of lacrimal passage according to claim 2 system, it is characterized in that: described probing of lacrimal passage system comprises flushing needle, the syringe needle of described flushing needle inserts described probing of lacrimal passage pipe by the center hole of described pressure cap, the middle part elastic arc sigmoid of the syringe needle of described flushing needle, to go deep into described probing of lacrimal passage pipe, push the needle handle of described flushing needle, the liquid in the needle tubing is advanced described probing of lacrimal passage pipe.
7. probing of lacrimal passage according to claim 2 system is characterized in that: described probing of lacrimal passage system comprises dredges part, and a described end of dredging part inserts described probing of lacrimal passage pipe by the center hole of described pressure cap.
8. according to each described probing of lacrimal passage system among the claim 1-7, it is characterized in that: described probing of lacrimal passage system comprises fixation hook, described fixation hook is made up of with the hook of fixedlying connected with described handle handle, the shade sheet of described pressure cap is provided with the fixing aperture of usefulness, described fixation hook is connected with described pressure cap by described aperture, to fix described probing of lacrimal passage system.
9. probing of lacrimal passage according to claim 2 system, it is characterized in that: described probing of lacrimal passage system comprises the drain silk, described drain silk is made by the polypropylene for medical article material, the one end inserts described probing of lacrimal passage pipe by the center hole of described pressure cap, and further stretches out from the open-ended of lower tube section of described probing of lacrimal passage pipe; The other end of described drain silk expand gradually form be stuck in described probing of lacrimal passage pipe outer, be convenient to the fixedly shank of usefulness, there is perforate at described shank center, also be provided with a suture hole on the shade sheet of described pressure cap, the line in the suture hole by passing described perforate and described pressure cap links together described drain silk and described probing of lacrimal passage pipe.
10. probing of lacrimal passage according to claim 9 system is characterized in that: the cross sectional shape of described drain silk is the semicircle of its diameter less than the internal diameter of described probing of lacrimal passage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110164611 CN102225031B (en) | 2011-06-17 | 2011-06-17 | Lacrimal passage drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110164611 CN102225031B (en) | 2011-06-17 | 2011-06-17 | Lacrimal passage drainage system |
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| Publication Number | Publication Date |
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| CN102225031A true CN102225031A (en) | 2011-10-26 |
| CN102225031B CN102225031B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110164611 Expired - Fee Related CN102225031B (en) | 2011-06-17 | 2011-06-17 | Lacrimal passage drainage system |
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| Country | Link |
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| CN104759019A (en) * | 2015-04-28 | 2015-07-08 | 贺鹏举 | Lacrimal passage bypass rebuilding pipe |
| CN110507477A (en) * | 2019-09-27 | 2019-11-29 | 安徽国泰国瑞医疗科技有限公司 | A kind of device for the implantation of ophthalmology drainage tube |
| CN111803274A (en) * | 2020-07-22 | 2020-10-23 | 深圳市朗目医疗科技有限公司 | Glaucoma drainage device and drainage implant therefor |
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| FR2813522A1 (en) * | 2000-09-06 | 2002-03-08 | Alain Fouere | Lachrymal drain implant, is located and held in place by its external screw thread, and completes lachrymal path |
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| WO2007094577A1 (en) * | 2006-02-15 | 2007-08-23 | Mal-Soo Jun | Bio artificial lacrimal canaliculus |
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| CN111803274B (en) * | 2020-07-22 | 2024-03-29 | 苏州朗目医疗科技有限公司 | Glaucoma drainage device and drainage implant thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102225031B (en) | 2013-06-12 |
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