CN201135547Y

CN201135547Y - Safe type lacrimal passage drainage tubes

Info

Publication number: CN201135547Y
Application number: CNU200720171181XU
Authority: CN
Inventors: 张敬先; 梁昕; 刘永辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-26
Filing date: 2007-11-26
Publication date: 2008-10-22
Anticipated expiration: 2017-11-26

Abstract

The utility model relates to a safe lacrimal passage drainage tube, which comprises a tube body (10) and a pulling ring (20) connected with the upper end of the tube body (10). The pulling ring (20) is a ring circled by an upper cross beam section and left and right side sections (22 and 23), the joint of the upper end of the tube (10) and the two side sections (22 and 23) of the pulling ring (20) is downward, and notches (12) are respectively arranged on a front tube wall and a rear tube wall; the inner and outer surfaces below the front tube wall and the rear tube wall are along the axle direction, a crack part (15) of a certain length is respectively arranged on the front and rear tube walls, to ensure the certain length of the tube body to be divided into two half parts, and the two half parts are connected by a frangible point (13). Compared with the prior art, the safe lacrimal passage drainage tube has the advantages that the drainage is clean, the effect of the operation is good, the drainage tube can be drawn out safely and successfully.

Description

Safety probing of lacrimal passage pipe

Technical field

This utility model relates to the device that is used for external coat, particularly relates to the probing of lacrimal passage pipe that is used for ophthalmology, is used for the treatment of obstructed lacrimal passage, dacryocystisis etc.

Background technology

Driving in the wrong direction and put pipe operative treatment obstructed lacrimal passage, is one of research focus of the obstructed lacrimal passage of less invasive techniques treatment in recent years.According to principle of uniformity, but as seen the retrograde lacrimal passage tube placing operation that adopts different equipment and method has in the clinical report of treatment obstructed lacrimal passage the time.Prior art is used for retrograde lacrimal passage and puts the probing of lacrimal passage pipe of pipe operation, for example publication number is CN 2717415Y, name is called " memory-type lacrimal passage expansion drainage tube ", with publication number be CN 2834472Y, name is called the Chinese utility model patent of " lachrymal sac drainage tube ", they generally all comprise body and bracing frame (also claiming to lift ring), deficiency and hidden danger that such probing of lacrimal passage pipe exists are: 1. the tube wall of the body upper end open of these drainage tubes of prior art generally is plane, and after inserting lachrymal sac, the upper surface of tube wall exceeds the bottom position that rheuminess thing such as pus gather usually, the rheuminess thing is difficult to by drain totally like this, and surgical result is not good enough; After 2 corrective surgeries recover, may occur disconnected pipe situation during tube drawing, bracing frame (or lifting ring) will remain in patient's human body, cause the patient to perform an operation again again again, bring unnecessary misery to the patient.

Utility model content the technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and to propose a kind of drain clean and surgical result is good and can effectively separate the safety probing of lacrimal passage pipe of making a decision the pipe problem.

This utility model solve the technical problem can be by realizing by the following technical solutions:

Design, a kind of safety probing of lacrimal passage pipe of use, comprise body and the ring that lifts that is connected with the body upper end, this lift the ring be to surround an annular by entablature section and left and right sides section, the upper end of described body with lift the ring section junction, both sides downward, respectively have a breach on the tube wall of front and back; Tube wall surfaces externally and internally under this two breach vertically, the tube wall segment length of all splitting in front and back is 10 to 15 millimeters a crack portion, makes the body of this segment length be divided into halves, connects by easy breakpoint between this halves body; Described breach is " V " font.Before putting the pipe operation, the alloying metal silk doubling of presetting is placed in described " V " font breach bottom, the two ends of described alloying metal silk pierces in the body via crack portion outside tube wall respectively, draws from the body lower end again.Then metal alloy wires and described drainage tube are inserted in the human body in the lump.Behind the surgery recovery during tube drawing, can draw the direct tube drawing of drainage tube hypomere in advance, if because of resistance can not be extracted drainage tube greatly, can draw described alloying metal silk energetically extracts drainage tube, if still can not extract smoothly, can apply " breaking out power " traction this moment, so that the alloying metal filament cuts off described easy breakpoint, after this draw the drainage tube hypomere again, because body is made by ultra-strong elasticity silicone rubber, can be cut off wherein half then by outside vertical medisection stretched nostril of body crack portion into two, lift the ring seal annular like this and disconnected, thereby can extract drainage tube smoothly.

At least one side adopts the arc section transition to be connected between described left and right sides section and the entablature section.

The described ring that lifts can be designed to different shapes as required, roughly has following several: one, be similar spade shape; Two, be circular; Three, adopt arc section to be connected between a described wherein side section that lifts ring and the entablature section; The opposite side Duan Weiyi straightway that lifts ring is directly crossing with the entablature section, and from this opposite side section and entablature section intersection, described entablature section is outward extended with 1.5 sections of stretching out to 2.0 centimeter length.

Have the aperture that two rows vertically arrange on the described tube body wall.

Compare with prior art, the technique effect of this utility model safety probing of lacrimal passage pipe is: 1. breach is designed in the upper surface of body, the upper end mouth of pipe of guaranteeing body is thoroughly open, the breach of design guarantees that all the time the upper end orifice plane is in lowest part in inserting lachrymal sac, be lower than below the rheuminess object plane that is gathered in the lachrymal sac, make that the rheuminess thing that gathers can drain be clean fully fully, guarantee surgical result; 2. body is provided with the crack portion of a segment length and connects, relend and help the alloying metal silk, can guarantee that drainage tube is pulled out perfectly safely with easy breakpoint; Exempted the patient because of lifting the misery that to perform an operation again in the residual body of ring; Saved medical treatment cost and patient's medical expense; 3. adopt the arc section transition to be connected between the entablature section that lifts ring and the both sides section, weakened lift the ring upper end outside support strength in two corners and and lachrymal sac between frictional force, contractility is improved, and makes that the drainage tube energy is safer to be extracted smoothly.

Description of drawings

Fig. 1 is the main TV structure sketch map of this utility model safety probing of lacrimal passage pipe embodiment one;

Fig. 2 is the schematic top plan view of described safety probing of lacrimal passage pipe embodiment one;

Fig. 3 is that A-A among Fig. 1 is to cross-sectional schematic;

Fig. 4 is the B portion enlarged diagram among Fig. 1;

Fig. 5 is the main TV structure sketch map of described safety probing of lacrimal passage pipe embodiment two;

Fig. 6 is the schematic top plan view of described safety probing of lacrimal passage pipe embodiment two;

Fig. 7 is that the master of described safety probing of lacrimal passage pipe embodiment three looks sketch map;

Fig. 8 is the schematic top plan view 3B of described safety probing of lacrimal passage pipe embodiment three.

The specific embodiment

Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.

Embodiment one:

This utility model safety probing of lacrimal passage pipe embodiment one, as shown in Figures 1 to 4, comprise body 10 be connected with body 10 upper ends lift ring 20, described body 10 and lift ring 20 and all adopt ultra-strong elasticity silicone rubber to make.Described to lift ring 20 be to surround an annular by entablature section 21 and left and

right sides section

22,23, and the described ring 20 that lifts is similar spade shape; The upper end of described body 10 respectively has one " V " font breach 12 with to lift ring 20 both

sides sections

22,23 junctions downward on the tube wall of front and back; Tube wall surfaces externally and internally under this two breach 12 vertically, the tube wall segment length of all splitting in front and back is 10 to 15 millimeters a crack portion 15, makes the body 10 of this segment length be divided into halves, connects by easy breakpoint 13 between this halves body; Also adopt

arc section

24,25 transition to be connected between described left and

right sides section

22,23 and the entablature section 21.Have the aperture 11 that two rows vertically arrange on described body 10 walls.

Before putting the pipe operation, alloying metal silk 60 doublings of presetting are placed in described " V " font breach 12 bottoms, the two ends of described alloying metal silk 60 pierces in the body via crack portion 15 outside tube wall respectively, draws from body 10 lower ends again.Then metal alloy wires 60 and described drainage tube are inserted in the human body in the lump.

After described safety probing of lacrimal passage pipe is inserted lacrimal passage with putting the no wound of pipe operation through driving in the wrong direction, described body 10 is in the nasolacrimal duct and nasolacrimal duct is expanded, lachrymal sac etc. is located the rheuminess thing drain lacrimal passage, the described ring 20 that lifts just is stuck in the lachrymal sac and drainage tube is fixed.The aperture 11 that two rows vertically arrange on the body 10 plays the effect of infiltration administration and flushing.

Embodiment two

This utility model safety probing of lacrimal passage pipe embodiment two, as shown in Figure 5 and Figure 6.This embodiment two is basic identical with structure and the principle of embodiment one, difference is: lift ring 20 and be designed to circle, the contractility that lifts ring 20 is improved more, be applicable to the child, and inspection is found to be the big patient of the narrow especially resistance of lacrimal passage before the art, more smooth during tube drawing after operation, guarantee security of products.

Embodiment three:

This utility model safety probing of lacrimal passage pipe embodiment three, as shown in Figure 7 and Figure 8.This embodiment three is also basic identical with structure and the principle of preceding two embodiment, and difference is that the design that lifts ring 20 slightly changes: the employing arc section is connected between a described wherein side section 22 that lifts ring 20 and the entablature section 21; The opposite side section 23 that lifts ring 20 is that a straightway is direct and entablature section 21 is crossing, and from this opposite side section 23 and entablature section 21 intersections, described entablature section 21 is outward extended with 1.5 sections of stretching out 26 to 2.0 centimeter length.This embodiment three is applicable to that mainly the patient who blocks or rupture also appears in obstruction of naso lacrimal duct and lacrimal ductule, and when putting pipe, the described section of stretching out 26 is inserted in the lacrimal ductule, fills the expansion lacrimal ductule, prevents lacrimal ductule tube wall contact adhesion.

The design that lifts ring 20 of the present utility model is not limited to given shape among above-mentioned several embodiment, and it also can design multiple different shape according to the difference of organization of human body.

Claims

1. safety probing of lacrimal passage pipe, comprise body (10) be connected with body (10) upper end lift ring (20), this lifts ring (20) is to surround an annular by entablature section (21) and left and right sides section (22,23), it is characterized in that: the upper end of described body (10) respectively has a breach (12) with to lift ring (20) both sides sections (22,23) junction downward on the tube wall of front and back; Tube wall surfaces externally and internally under this two breach (12) vertically, tube wall all the split crack portion (15) of a segment length in front and back makes the body (10) of this segment length be divided into halves, connects by easy breakpoint (13) between this halves body.

2. safety probing of lacrimal passage pipe as claimed in claim 1 is characterized in that: the length of described crack portion (15) is 10 to 15 millimeters.

3. safety probing of lacrimal passage pipe as claimed in claim 1 or 2 is characterized in that: described breach (12) is " V " font.

4. safety probing of lacrimal passage pipe as claimed in claim 3 is characterized in that: at least one side adopts arc section (24,25) transition to be connected between described left and right sides section (22,23) and the entablature section (21).

5. safety probing of lacrimal passage pipe as claimed in claim 4 is characterized in that: the described ring (20) that lifts is similar spade shape.

6. safety probing of lacrimal passage pipe as claimed in claim 4 is characterized in that: the described ring (20) that lifts is for circular.

7. safety probing of lacrimal passage pipe as claimed in claim 4 is characterized in that: adopt arc section to be connected between a described wherein side section (22) that lifts ring (20) and the entablature section (21); The opposite side section (23) that lifts ring (20) is that a straightway is direct and entablature section (21) is crossing, and from this opposite side section (23) and entablature section (21) intersection, described entablature section (21) is outward extended with 1.5 sections of stretching out to 2.0 centimeter length (26).

8. safety probing of lacrimal passage pipe as claimed in claim 4 is characterized in that: have the aperture (11) that two rows vertically arrange on described body (10) wall.