CN217391008U

CN217391008U - Superfine lacrimal passage drainage tube imbedding device

Info

Publication number: CN217391008U
Application number: CN202220016346.0U
Authority: CN
Inventors: 吴文刚
Original assignee: Jinan Runshi Medical Instrument Co ltd
Current assignee: Jinan Runshi Medical Instrument Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-09-09
Anticipated expiration: 2032-01-04

Abstract

The utility model provides a superfine lacrimal passage drainage tube imbedding device, includes a toper leading-in needle, the toper leading-in needle includes that big footpath end and cross-sectional area are less than the path end of big footpath end, and the one side of keeping away from big footpath end at the path end is equipped with a transverse through hole, is equipped with a pull wire in transverse through hole, the open setting in one end of pull wire, a superfine drainage tube is connected to the other end of pull wire. This application adopts the mode of setting up of big footpath end and path end, and the path end sets up to functional, connects the pull wire through horizontal through-hole promptly, then connects super thin drainage tube through the pull wire again to it inserts the path end or has partial big footpath end under the condition of the as little destruction as possible after making the leading-in needle of toper can find the position, then the leading-in needle of desorption toper again, it can to utilize the pull wire reintroduce super thin drainage tube.

Description

Superfine lacrimal passage drainage tube imbedding device

Technical Field

The application relates to a device is put into to superfine lacrimal passage drainage tube.

Background

The existing lacrimal passage drainage tube is put into the way: implanting a silicone tube under the guidance of a football-head probe, placing a metal bent guide wire into a metal sleeve, placing a probe pushing catheter and placing a slotted probe with a guide wire; all the above existing insertion methods in the market are limited by their own design, but cannot reduce the maximum outer diameter of the lacrimal canaliculus to the physiological size of the lacrimal canaliculus, and all the insertion methods have a certain expansive injury to the lacrimal canaliculus (inner diameter of 0.5-0.6mm), and if the injury is to be reduced, the maximum size is generally limited within 1 mm. This directly results in the inability to perform catheterization after the lacrimal canaliculus of the infant has ruptured.

All lacrimal drainage tubes and applicators on the market at present have the following disadvantages: 1. implanting a silicone tube under the guidance of a football head probe: in order to guide the probe into the lacrimal passage drainage tube with the hardness maintained, the outer diameter of the probe cannot be too thin, so the inner diameter of the tube body cannot be too thin, the outer diameter of the rugby ball head is larger than the outer diameter of the tube body, so as to prevent the lacrimal passage tube from slipping off the guide needle, and for the reason, the maximum outer diameter of the rugby ball head cannot be lower than 1 mm; 2. the metal bending guide wire is placed with a metal sleeve: the water dropper is characterized by comprising a water dropper, a metal guide wire, a metal sleeve and a metal silica gel connecting piece, wherein the water dropper at the front end of a metal pipe is not integrated with the metal pipe, and the water dropper easily goes into a false passage during probing, so that the water dropper needs to enter a part of the metal pipe body to ensure the smooth probing process, the diameter of the hollow metal pipe body is larger than 1mm, and the maximum metal outer diameter is larger than 1mm at the bonding position of metal and the silica gel pipe at the rear section of an inserter in order to ensure that a bonding surface does not fall off. The whole set of the inserter is pulled out from the nasal cavity through the lacrimal passage, so the product has the greatest damage to the lacrimal passage; 3. the probe pushing catheter is placed, firstly, the inner diameter of a lacrimal canaliculus is determined to be larger than 0.6mm by the probe so as to ensure that the probe can be successfully withdrawn after being guided into the lacrimal duct, so that the tube body is more than 1mm, and then the guide needle and the lacrimal duct are placed in parallel, so that the outer diameter of the guide needle is not less than 1.3 mm; 4. placing a grooved probe with a guide wire: the design is that the side surface of the hollow metal lacrimal passage probe is provided with a groove, the nylon guide wire can smoothly pass through the groove of the probe to enter the nasal cavity only by certain hardness and elasticity, so that the outer diameter of the nylon guide wire cannot be too thin, the diameter of the probe groove is larger than the diameter of the guide wire, and finally the outer diameter of the probe is not less than 1 mm. In summary, the size of the drainage tube inserted into the lacrimal passage to the maximum extent cannot be smaller than 1mm by all the current injector combination modes, so that the infant catheterization operation cannot be carried out, and the injector belongs to serious clinical shortage products.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a device is put into to superfine lacrimal passage drainage tube, including the leading-in needle of a toper, the leading-in needle of toper includes that big footpath end and cross-sectional area are less than the path end of big footpath end, and the one side of keeping away from big footpath end at the path end is equipped with a transverse through-hole, is equipped with a pull wire in the transverse through-hole, the open setting of one end of pull wire, a superfine drainage tube is connected to the other one end of pull wire. This application adopts the mode of setting up of big footpath end and path end, and the path end sets up to functional, connects the pull wire through horizontal through-hole promptly, then connects super thin drainage tube through the pull wire again to it inserts the path end or has partial big footpath end under the condition of the as little as possible destruction after making the leading-in needle of toper can find the position, then the leading-in needle of desorption toper again, utilize the pull wire reintroduction super thin drainage tube can.

Preferably, the large-diameter end and the small-diameter end of the conical leading-in needle are in a conical structure and are connected in a smooth transition mode.

Preferably, one side of the large-diameter end, which is far away from the small-diameter end, is provided with a clamping block. The application conforms to the characteristics of the physiological structure of a human body, is simple to operate, does not need to be operated, protects the mucous membrane tissue of the lacrimal passage, does not need to be expanded before the placement of a tube, saves the operation time, can simply master the operation technology for doctors with an ophthalmic basis, is simple to take the tube, is painless, has no damage and can be washed; is easy to popularize and promote, and solves the requirements of patients.

Preferably, the large diameter end and the small diameter end have the same length, and the diameter of the cross section of the side of the large diameter end adjacent to the small diameter end is not higher than 0.7 mm.

Preferably, the superfine drainage tube is provided with two correspondingly arranged pulling holes, the traction wire passes through the pulling holes, and then the traction wire passes through the transverse through hole after being arranged in two rows.

Preferably, the traction line on one side of the transverse through hole is provided with an abutting winding knot, and the abutting winding knot is arranged on one side, far away from the superfine drainage tube, of the transverse through hole. This application adopts butt winding knot can guarantee its self stable in structure, avoids butt winding knot to pull out horizontal through-hole to when using, guarantee overall structure stability and reliability in the use.

Preferably, the abutment knot is formed by a knot of traction wire.

Preferably, the large-diameter end and the small-diameter end are integrally arranged.

This application can bring following beneficial effect:

1. the small-diameter end is arranged in a functional mode, namely the small-diameter end is connected with a traction wire through a transverse through hole and then connected with an ultrafine drainage tube through the traction wire, so that the conical guide-in needle can be inserted into the small-diameter end or part of the large-diameter end under the condition of being damaged as little as possible after being positioned, then the conical guide-in needle is removed, and the ultrafine drainage tube is guided by the traction wire;

2. the application conforms to the characteristics of the physiological structure of a human body, is simple to operate, does not need to be operated, protects the mucous membrane tissue of the lacrimal passage, does not need to be expanded before the placement of a tube, saves the operation time, can simply master the operation technology for doctors with an ophthalmic basis, is simple to take the tube, is painless, has no damage and can be washed; the popularization is easy, and the requirements of patients are met;

3. this application adopts butt winding knot can guarantee its self stable in structure, avoids butt winding knot to pull out horizontal through-hole to when using, guarantee overall structure stability and reliability in the use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic view of another embodiment of the present application.

Detailed Description

In order to clearly explain the technical features of the present solution, the present application will be explained in detail through the specific embodiments below.

In a first embodiment, as shown in fig. 1-2, an extra fine lacrimal drainage tube implanting device includes a tapered introducing needle 1, the tapered introducing needle 1 includes a large diameter end 2 and a small diameter end 3 having a smaller cross-sectional area than the large diameter end 2, a transverse through hole 4 is provided at a side of the small diameter end 3 away from the large diameter end 2, a drawing wire 5 is provided in the transverse through hole 4, one end of the drawing wire 5 is open, and the other end of the drawing wire 5 is connected to an extra fine drainage tube 6. The large diameter end 2 and the small diameter end 3 of the conical guide needle are in a conical structure and are connected in a smooth transition mode. The side of the large-diameter end 2 far away from the small-diameter end 3 is provided with a clamping block 7. The large-diameter end and the small-diameter end 3 are the same in length, and the diameter of the cross section of the large-diameter end 2 on the side close to the small-diameter end 3 is not higher than 0.7 mm. The superfine drainage tube 6 is provided with two pulling holes 8 which are correspondingly arranged, the traction wire 5 passes through the pulling holes 8, and then the traction wire 5 passes through the transverse through hole 4 after being arranged in two rows. The traction wire 5 on one side of the transverse through hole 4 is provided with an abutting winding knot 9, and the abutting winding knot 9 is arranged on one side of the transverse through hole 4 far away from the superfine drainage tube 6. The abutment winding knot is formed by a knot of the traction wire 5. The large-diameter end 2 and the small-diameter end 3 are integrally arranged.

When the guiding needle is used, the conical guiding needle 1 is inserted into the lacrimal passage of a child or an infant, the pull wire 5 is brought into the lacrimal passage, the pull wire 5 also enters the lacrimal passage, the pull wire 5 is pulled from the other side, so that the pull wire 5 is led out downwards, the pull wire 5 pulls the superfine drainage tube 6, so that the superfine drainage tube 6 is embedded into the lacrimal passage, and the final operation is finished.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A device is put into to superfine lacrimal passage drainage tube which characterized in that: including a toper leading-in needle, toper leading-in needle includes that big footpath end and cross-sectional area are less than the path end of big footpath end, keeps away from one side of big footpath end at the path end and is equipped with a horizontal through-hole, is equipped with a pull wire in the horizontal through-hole, the open setting in one end of pull wire, a superfine drainage tube is connected to the other one end of pull wire.

2. The superfine lacrimal drainage tube insertion device according to claim 1, wherein: the large-diameter end and the small-diameter end of the conical guide needle are of conical structures and are connected in a smooth transition mode.

3. The device for inserting an ultra-fine lacrimal drainage tube according to claim 2, wherein: one side of the large-diameter end, which is far away from the small-diameter end, is provided with a clamping block.

4. The device for inserting an ultra-fine lacrimal drainage tube according to claim 1, wherein: the large-diameter end and the small-diameter end are the same in length, and the diameter of the cross section of one side, close to the small-diameter end, of the large-diameter end is not higher than 0.7 mm.

5. The device for inserting an ultra-fine lacrimal drainage tube according to claim 1, wherein: the superfine drainage tube is provided with two pulling holes which are correspondingly arranged, the traction wire penetrates through the pulling holes, and then the traction wire penetrates through the transverse through hole after being arranged in two rows.

6. The superfine lacrimal drainage tube insertion device according to claim 1, wherein: and the traction line on one side of the transverse through hole is provided with an abutting winding knot, and the abutting winding knot is arranged on one side of the transverse through hole, which is far away from the superfine drainage tube.

7. The device for inserting an ultra-fine lacrimal drainage tube according to claim 6, wherein: the abutting winding knot is formed by knotting a traction wire.

8. The superfine lacrimal drainage tube insertion device according to claim 1, wherein: the large-diameter end and the small-diameter end are integrally arranged.