CN210784593U

CN210784593U - Penetration guide tube

Info

Publication number: CN210784593U
Application number: CN201921320964.9U
Authority: CN
Inventors: 陆志斌; 周存荣; 蔡强
Original assignee: Nanjing Pukou Central Hospital
Current assignee: Nanjing Pukou Central Hospital
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-06-19
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a pierce through guiding tube, including connecting pipe, vortex spring, installation pipe and sealing washer, first recess, second recess and third recess have been seted up from inside to outside in proper order to the inside left and right sides of connecting pipe, the installation pipe is all installed to the left and right sides of connecting pipe, the mid-mounting of installation pipe has the cooperation pipe, and the outside of cooperation pipe from having set gradually first go-between, second go-between and third go-between, the surface of installation pipe has been seted up the second and has been sunk the groove, and the internally mounted in the heavy groove of second has the sealing washer. This pierce through guiding tube is provided with vortex spring and sealing washer, and at the in-process that uses, the use of the heavy groove of cooperation second for the vortex spring can apply the power of contracting tightly to the connecting pipe, thereby makes the connecting pipe and the heavy groove of second be connected more firmly, and the design of sealing washer is being cooperated simultaneously, has further increased the leakproofness of device, improves the practicality of device.

Description

Penetration guide tube

Technical Field

The utility model relates to a pierce through guiding tube technical field, specifically be a pierce through guiding tube.

Background

The penetration guide tube is a guide tube for guiding medical instruments into a human body in the operation process, and the existing penetration guide tube still has certain problems in the use process;

the existing penetration guide tube adopts a unilateral design, so that the problem that the existing penetration guide tube still has certain inconvenience in the use process due to the fact that the existing penetration guide tube can only solve the problem that a surgical instrument is placed in one direction in the use process, and the application range of the existing penetration guide tube is limited.

We have therefore proposed a penetration guide tube to address the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a penetration guide tube to solve the problem that the current penetration guide tube in the market proposed by the above background art can only be used for placing surgical instruments in one direction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pierce through guiding tube, includes connecting pipe, vortex spring, installation pipe and sealing washer, first recess, second recess and third recess have been seted up from inside to outside in proper order to the inside left and right sides of connecting pipe, and the connecting pipe about both ends face all seted up first heavy groove to the internally mounted in first heavy groove has the vortex spring, the installation pipe is all installed to the left and right sides of connecting pipe, the mid-mounting of installation pipe has the cooperation pipe, and the outside of cooperation pipe is from having set gradually first connecting ring, second go-between and third go-between to first connecting ring, second go-between and third go-between are connected with first recess, second recess and third recess respectively, the heavy groove of second has been seted up to the surface of installation pipe, and the internally mounted in the heavy groove of second has the sealing washer.

Preferably, the internal diameter of connecting pipe is clearance fit with the external diameter of cooperation pipe, and cooperation pipe and installation pipe structure as an organic whole to the connecting pipe is unsmooth cooperation with the second heavy groove, and the connecting pipe is the hollow circular cylinder structure moreover, and the installation pipe is hollow cuboid structure simultaneously.

Preferably, the first groove, the second groove and the third groove are all designed in an annular structure, the diameters of the first groove, the second groove and the third groove are sequentially increased, and the first groove, the second groove and the third groove are in concave-convex fit with the corresponding first connecting ring, the second connecting ring and the third connecting ring.

Preferably, the groove depth of the first sinking groove is smaller than that of the second sinking groove, and the groove depth of the first sinking groove is equal to the left and right width of the vortex spring.

Preferably, the sealing ring is designed to be of an annular structure, the area of the sealing ring is equal to that of the second sinking groove, and meanwhile the center line of the second sinking groove and the center line of the matching pipe are overlapped.

Compared with the prior art, the beneficial effects of the utility model are that: the penetration guide tube;

1. the connecting pipe and the matching pipe can be connected through the three pairs of grooves and the three pairs of connecting rings to increase the firmness and the tightness after connection;

2. be provided with vortex spring and sealing washer, at the in-process that uses, cooperating the heavy use in groove of second for the vortex spring can apply the power of contracting tightly to the connecting pipe, thereby makes the connecting pipe and the heavy groove of second be connected more firmly, is cooperating the design of sealing washer simultaneously, has further increased the leakproofness of device, improves the practicality of device.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the installation pipe of the present invention;

fig. 4 is a schematic side view of the connecting pipe of the present invention.

In the figure: 1. a connecting pipe; 2. a first groove; 3. a second groove; 4. a third groove; 5. a first sink tank; 6. a scroll spring; 7. installing a pipe; 8. a mating tube; 9. a first connecting ring; 10. a second connection ring; 11. a third connecting ring; 12. a second sink tank; 13. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a penetration guide pipe comprises a connecting pipe 1, a first groove 2, a second groove 3, a third groove 4, a first sinking groove 5, a vortex spring 6, a mounting pipe 7, a matching pipe 8, a first connecting ring 9, a second connecting ring 10, a third connecting ring 11, a second sinking groove 12 and a sealing ring 13, wherein the first groove 2, the second groove 3 and the third groove 4 are sequentially formed in the left side and the right side of the inside of the connecting pipe 1 from inside to outside, the first sinking groove 5 is formed in each of the left end face and the right end face of the connecting pipe 1, the vortex spring 6 is mounted in the first sinking groove 5, the mounting pipe 7 is mounted on each of the left side and the right side of the connecting pipe 1, the matching pipe 8 is mounted in the middle of the mounting pipe 7, the first connecting ring 9, the second connecting ring 10 and the third connecting ring 11 are sequentially arranged on the outer side of the matching pipe 8, and the first connecting ring 9, the second connecting ring 10 and the third connecting ring 11 are respectively connected with, The second groove 3 is connected with the third groove 4, a second sinking groove 12 is formed in the outer surface of the mounting pipe 7, and a sealing ring 13 is arranged inside the second sinking groove 12.

The internal diameter of connecting pipe 1 is clearance fit with the external diameter of cooperation pipe 8, and cooperation pipe 8 and installation pipe 7 structure as an organic whole to connecting pipe 1 and the heavy groove 12 of second are unsmooth cooperation, and connecting pipe 1 is the hollow circular cylinder structure moreover, and installation pipe 7 is the hollow cuboid structure simultaneously, and the design of above-mentioned structure is convenient for connecting pipe 1 and cooperation pipe 8 be connected.

First recess 2, second recess 3 and third recess 4 three are the annular structure design, and first recess 2, second recess 3 and the diameter of third recess 4 three increase progressively in proper order, and first recess 2, second recess 3 and third recess 4 and the first go-between 9 that corresponds, second go-between 10 and third go-between 11 constitute unsmooth cooperation, the design of above-mentioned structure, make connecting pipe 1 and cooperation pipe 8 can consolidate through recess and go-between, increase the fastness after connecting.

The groove depth of the first sinking groove 5 is smaller than that of the second sinking groove 12, the groove depth of the first sinking groove 5 is equal to the left and right width of the vortex spring 6, and the design of the structure avoids the vortex spring 6 from exposing the first sinking groove 5, so that the sanitation of the device is guaranteed.

The sealing ring 13 is designed to be of an annular structure, the area of the sealing ring 13 is equal to that of the second sinking groove 12, meanwhile, the center line of the second sinking groove 12 and the center line of the matching pipe 8 are overlapped, and the sealing performance of the device is improved due to the structural design.

The working principle is as follows: in using the penetration guide tube, first, as shown in fig. 1 to 4, when it is required to assemble the coupling tube 1 and the fitting tube 8, one end of the coupling tube 1 is fitted over the outside of the fitting tube 8, and then the installation tube 7 and the coupling tube 1 are held while applying a pushing force, so that the first recess 2, the second recess 3 and the third recess 4 inside the connection pipe 1 are connected with the corresponding first connection ring 9, the second connection ring 10 and the third connection ring 11, and the end of the connecting pipe 1 is clamped into the second sinking groove 12, at the same time, the vortex spring 6 in the first sinking groove 5 on the end surface of the connecting pipe 1 applies a shrinking force, at the same time, the end surface of the connecting pipe 1 contacts with the sealing ring 13, thereby increasing the sealing performance of the device, further fixing the connecting pipe 1, completing the assembly of the device, and matching with the mounting pipe 7 for use.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a penetrate guide tube, includes connecting pipe (1), vortex spring (6), installation pipe (7) and sealing washer (13), its characterized in that: the connecting pipe is characterized in that a first groove (2), a second groove (3) and a third groove (4) are sequentially formed in the left side and the right side of the inside of the connecting pipe (1) from inside to outside, first sinking grooves (5) are formed in the left end face and the right end face of the connecting pipe (1), a vortex spring (6) is arranged in each first sinking groove (5), installation pipes (7) are respectively arranged on the left side and the right side of the connecting pipe (1), a matching pipe (8) is arranged in the middle of each installation pipe (7), the outer side of each matching pipe (8) is sequentially provided with a first connecting ring (9), a second connecting ring (10) and a third connecting ring (11), the first connecting ring (9), the second connecting ring (10) and the third connecting ring (11) are respectively connected with the first groove (2), the second groove (3) and the third groove (4), and a second sinking groove (12) is formed in the outer surface of the installation pipe (7), and a sealing ring (13) is arranged in the second sinking groove (12).

2. A penetration guide tube according to claim 1, wherein: the internal diameter of connecting pipe (1) is clearance fit with the external diameter of cooperation pipe (8), and cooperation pipe (8) and installation pipe (7) structure as an organic whole to connecting pipe (1) and second heavy groove (12) are unsmooth cooperation, and connecting pipe (1) is the hollow circular cylinder structure moreover, and installation pipe (7) are the hollow cuboid structure simultaneously.

3. A penetration guide tube according to claim 1, wherein: the first groove (2), the second groove (3) and the third groove (4) are all designed in an annular structure, the diameters of the first groove (2), the second groove (3) and the third groove (4) are sequentially increased, and the first groove (2), the second groove (3) and the third groove (4) are in concave-convex fit with the corresponding first connecting ring (9), the second connecting ring (10) and the third connecting ring (11).

4. A penetration guide tube according to claim 1, wherein: the groove depth of the first sinking groove (5) is smaller than that of the second sinking groove (12), and the groove depth of the first sinking groove (5) is equal to the left and right width of the vortex spring (6).

5. A penetration guide tube according to claim 1, wherein: the sealing ring (13) is designed to be of an annular structure, the area of the sealing ring (13) is equal to that of the second sinking groove (12), and meanwhile the center line of the second sinking groove (12) and the center line of the matching pipe (8) are overlapped.