CN213284695U

CN213284695U - Suction catheter with external soft sterile layer for respiratory tract

Info

Publication number: CN213284695U
Application number: CN202021168475.9U
Authority: CN
Inventors: 周春香
Original assignee: Affiliated Hospital of Jiangnan University
Current assignee: Affiliated Hospital of Jiangnan University
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-05-28
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to the technical field of suction catheters, in particular to a suction catheter for respiratory tract with an external soft sterile layer, which comprises a suction tube, wherein a suction cavity is arranged in the suction tube, a medicine feeding cavity is arranged at one side of the suction cavity, and the suction cavity and the medicine feeding cavity are separated by a clapboard; the end part of the suction tube is coaxially and tightly adhered with a tube body, and a first cavity is formed in the tube body; this respiratory track is with attracting pipe with external soft aseptic layer is through the relief mechanism that is equipped with, it drives the threaded rod rotation to rotate to twist the piece promptly, under the rotation of two threaded rods, two movable blocks drive clamp splice relative motion, thereby the centre gripping is on the branch pipe, when the negative pressure of negative pressure bottle acts on the negative pressure pipe, part air gets into to the negative pressure intraductal through the branch pipe, thereby available effectual reduction negative pressure effect, make the negative pressure attract the speed reduction of hydrops, and the negative pressure size in this negative pressure pipe is adjusted according to the clamp closure degree of branch pipe completely, and convenient for use.

Description

Suction catheter with external soft sterile layer for respiratory tract

Technical Field

The utility model relates to an attraction pipe technical field specifically is an attraction pipe for respiratory track with external soft aseptic layer.

Background

The suction catheter is also called as a drainage tube, is a common instrument used in departments such as the respiratory department of hospitals and the like, and is mainly used for sucking and discharging effusion in the body of a patient, such as sputum and the like in the body of a respiratory disease patient; when the existing suction guide tube is used, one end of the suction guide tube is placed in an affected part of a patient, the other end of the suction guide tube is connected with the negative pressure bottle, so that effusion and the like can be conveniently led out under the action of negative pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a respiratory track is with attracting pipe with external soft aseptic layer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a suction catheter with an external soft sterile layer for a respiratory tract comprises a suction tube, wherein a suction cavity is formed in the suction tube, a medicine feeding cavity is formed in one side of the suction cavity, and the suction cavity and the medicine feeding cavity are separated by a partition plate; a pipe body is coaxially and tightly bonded at the end part of the suction pipe, a first cavity is formed in the pipe body, a second cavity is formed in one side of the first cavity, the first cavity is communicated with the administration cavity, the second cavity is communicated with the suction cavity, two joints are symmetrically and tightly bonded on the circumferential outer wall of the pipe body, and the joints are respectively communicated with the first cavity and the second cavity; an administration tube is inserted into one of the connectors, a negative pressure tube is inserted into the other connector, the negative pressure tube is communicated with the second cavity, and the administration tube is communicated with the first cavity; a branch pipe communicated with the negative pressure pipe is tightly bonded on the negative pressure pipe, and a convex ring is tightly bonded at the top end of the branch pipe; and a pressure reducing mechanism is arranged on the negative pressure pipe.

As the utility model discloses preferred technical scheme, the decompression mechanism includes the base, it has the support to bond closely on the base, the shaft hole has been seted up on the both sides outer wall of support, the negative pressure pipe passes the shaft hole and closely bonds rather than, the top surface of support is close to the edge and closely bonds and has the fixed plate, the bar groove has been seted up to the top surface of support, the branch pipe passes the bar groove and extends to its top, closely bond between the both sides wall of support has the connecting rod, it is equipped with two clamp closure subassemblies, two still to symmetry between the both sides wall of support be equipped with the threaded rod that two coaxial inseparable bonds between the fixed plate, two the screw thread of threaded rod encircles opposite direction, one of them the tip of threaded rod passes fixed plate and coaxial inseparable bonding has.

As the utility model discloses preferred technical scheme, the clamp closure subassembly includes the movable block, the through-hole with connecting rod sliding connection, two are seted up to the symmetry on the movable block closely bond on two mutually opposite sides of movable block has the clamp splice, the branch pipe is located between two clamp splices, the top surface of movable block closely bond have with bar groove sliding connection's slider, set up the screw hole with threaded rod threaded connection on the slider.

As the preferred technical proposal of the utility model, the outer wall of the circumference of the suction tube is closely adhered with an aseptic layer.

As the utility model discloses preferred technical scheme, the tip of threaded rod passes through the bearing and is connected with the fixed plate rotation.

As the preferred technical proposal of the utility model, the whole shape of the clamping block is triangular.

Compared with the prior art, the beneficial effects of the utility model are that: this respiratory track is with attracting pipe with external soft aseptic layer is through the relief mechanism that is equipped with, it drives the threaded rod rotation to rotate to twist the piece promptly, under the rotation of two threaded rods, two movable blocks drive clamp splice relative motion, thereby the centre gripping is on the branch pipe, when the negative pressure of negative pressure bottle acts on the negative pressure pipe, part air gets into to the negative pressure intraductal through the branch pipe, thereby available effectual reduction negative pressure effect, make the negative pressure attract the speed reduction of hydrops, and the negative pressure size in this negative pressure pipe is adjusted according to the clamp closure degree of branch pipe completely, and convenient for use.

Drawings

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

FIG. 2 is a schematic structural view of a suction tube of the present invention;

FIG. 3 is a sectional view of the suction tube of the present invention;

FIG. 4 is a cross-sectional view of the tube body of the present invention;

FIG. 5 is a schematic structural view of a pressure reducing mechanism according to the present invention;

fig. 6 is an exploded schematic view of the medium-pressure mechanism of the present invention;

fig. 7 is a schematic structural view of the middle clamping assembly of the present invention.

The various reference numbers in the figures mean:

1. a suction tube; 11. a suction chamber; 12. a dosing cavity; 13. a sterile layer;

2. a pipe body; 21. a first cavity; 22. a second cavity; 23. a joint;

3. an administration tube;

4. a negative pressure tube; 41. a branch pipe; 42. a convex ring;

5. a pressure reducing mechanism; 51. a base; 52. a support; 521. a shaft hole; 522. a fixing plate; 523. a strip-shaped groove; 53. a connecting rod; 54. a clamping assembly; 541. a movable block; 5411. a through hole; 542. a clamping block; 543. a slider; 5431. a threaded hole; 55. a threaded rod; 56. and (6) screwing the block.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

a suction catheter with an external soft sterile layer for a respiratory tract comprises a suction tube 1, wherein a suction cavity 11 is formed in the suction tube 1, a medicine feeding cavity 12 is formed in one side of the suction cavity 11, and the suction cavity 11 and the medicine feeding cavity 12 are separated through a partition plate; the end part of the suction tube 1 is coaxially and tightly bonded with a tube body 2, a first cavity 21 is formed in the tube body 2, a second cavity 22 is formed in one side of the first cavity 21, the first cavity 21 is communicated with the administration cavity 12, the second cavity 22 is communicated with the suction cavity 11, two joints 23 are symmetrically and tightly bonded on the circumferential outer wall of the tube body 2, and the joints 23 are respectively communicated with the first cavity 21 and the second cavity 22; the administration tube 3 is inserted into one of the connectors 23, the negative pressure tube 4 is inserted into the other connector 23, the negative pressure tube 4 is communicated with the second cavity 22, and the administration tube 3 is communicated with the first cavity 21; a branch pipe 41 communicated with the negative pressure pipe 4 is tightly adhered on the negative pressure pipe, and a convex ring 42 is tightly adhered on the top end of the branch pipe 41; the negative pressure pipe 4 is provided with a pressure reducing mechanism 5. The pressure reducing mechanism 5 comprises a base 51, a bracket 52 is closely adhered on the base 51, shaft holes 521 are formed in the outer walls of two sides of the bracket 52, a negative pressure pipe 4 penetrates through the shaft holes 521 and is closely adhered with the shaft holes 521, a fixing plate 522 is closely adhered to the edge of the top surface of the bracket 52, a strip-shaped groove 523 is formed in the top surface of the bracket 52, a branch pipe 41 penetrates through the strip-shaped groove 523 and extends to the upper side of the branch pipe, connecting rods 53 are closely adhered between two side walls of the bracket 52, two clamping assemblies 54 are symmetrically arranged between the two side walls of the bracket 52, each clamping assembly 54 comprises a movable block 541, through holes 5411 in sliding connection with the connecting rods 53 are symmetrically formed in the movable blocks 541, clamping blocks 542 are closely adhered to two opposite side surfaces of the two movable blocks 541, the branch pipe 41 is located between the two clamping blocks 542, a sliding block 543 in sliding connection with the strip-shaped groove 523 is closely adhered to the. Two coaxial threaded rods 55 tightly adhered are arranged between the two fixing plates 522, the thread surrounding directions of the two threaded rods 55 are opposite, and the end of one threaded rod 55 penetrates through the fixing plate 522 and is coaxially tightly adhered with a screwing block 56.

In the embodiment, the aseptic layer 13 is closely adhered to the outer wall of the circumference of the suction tube 1, and the arrangement of the aseptic layer 13 can effectively avoid bacterial contamination and respiratory tract infection; the sterile layer 13 is specifically a sterile film, which is soft in texture, sterile and non-toxic, and is convenient for being placed into a patient for use.

In this embodiment, the end of the threaded rod 55 is rotatably connected to the fixing plate 522 by a bearing, and the bearing supports and supports the threaded rod 55.

In this embodiment, the overall shape of the clamp blocks 542 is triangular, and the triangular clamp blocks 542 facilitate clamping the branch pipes 41.

It should be added that, a check valve is embedded in the branch pipe 41 in this embodiment, and the setting of the check valve can prevent the effusion from entering the branch pipe 41, and is convenient for the external air to enter the branch pipe 41; in addition, the outer diameter of the convex ring 42 in this embodiment is larger than the width of the strip-shaped groove 523, which plays a limiting role in limiting the branch pipe 41.

When the suction catheter with the external soft sterile layer for the respiratory tract is used, a user communicates one end of the negative pressure tube 4 with the negative pressure bottle and places one end of the suction tube 1 into the body of a patient, at the moment, under the negative pressure action of the negative pressure bottle, effusion enters the suction cavity 11 through the suction tube 1 and enters the second cavity 22 through the suction cavity 11, and then enters the negative pressure tube 4 through the joint 23 and enters the negative pressure bottle through the negative pressure tube 4 for collection;

when the suction speed is too high, a user rotates the screwing block 56 to drive the threaded rod 55 to rotate, at the moment, the two sliding blocks 543 slide relatively along the strip-shaped groove 523, the through hole 5411 slides along the connecting rod 53, the two clamping blocks 542 synchronously move relatively, at the same time, the two clamping blocks 542 gradually loosen the branch pipe 41, at the moment, the outside air enters the negative pressure pipe 4 through the branch pipe 41, at the moment, the suction effect of negative pressure is weakened, and the flowing speed of accumulated liquid is reduced;

when the medicine needs to be administered, a user connects the injector with the administration tube 3, simultaneously pushes the injector to inject the medicine liquid into the administration tube 3, simultaneously the medicine liquid enters the administration cavity 12 through the first cavity 21, and finally flows into the affected part in the body of the patient through the administration cavity 12.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a respiratory tract is with attracting pipe with external soft aseptic layer, includes attracts pipe (1), its characterized in that: an attraction cavity (11) is formed in the attraction tube (1), a medicine feeding cavity (12) is formed in one side of the attraction cavity (11), and the attraction cavity (11) and the medicine feeding cavity (12) are separated through a partition plate; a tube body (2) is coaxially and tightly bonded to the end part of the suction tube (1), a first cavity (21) is formed in the tube body (2), a second cavity (22) is formed in one side of the first cavity (21), the first cavity (21) is communicated with the administration cavity (12), the second cavity (22) is communicated with the suction cavity (11), two joints (23) are symmetrically and tightly bonded to the outer wall of the circumference of the tube body (2), and the joints (23) are respectively communicated with the first cavity (21) and the second cavity (22); an administration tube (3) is inserted into one of the joints (23), a negative pressure tube (4) is inserted into the other joint (23), the negative pressure tube (4) is communicated with the second cavity (22), and the administration tube (3) is communicated with the first cavity (21); a branch pipe (41) communicated with the negative pressure pipe (4) is tightly adhered on the negative pressure pipe, and a convex ring (42) is tightly adhered at the top end of the branch pipe (41); and a pressure reducing mechanism (5) is arranged on the negative pressure pipe (4).

2. The airway suction catheter with an external soft sterile layer as claimed in claim 1, wherein: decompression mechanism (5) includes base (51), close bonding has support (52) on base (51), shaft hole (521) have been seted up on the both sides outer wall of support (52), negative pressure pipe (4) pass shaft hole (521) and closely bond rather than, the top surface of support (52) is close to the edge and closely bonds and has fixed plate (522), bar groove (523) have been seted up to the top surface of support (52), branch pipe (41) pass bar groove (523) and extend to its top, closely bond between the both sides wall of support (52) and have connecting rod (53), it closes subassembly (54) still to be equipped with two pinches between the both sides wall of support (52) the symmetry, two be equipped with two coaxial close bonding's threaded rod (55) between fixed plate (522), two the screw-thread of threaded rod (55) encircles opposite direction, one of them the tip of threaded rod (55) passes fixed plate (522) and coaxial closely bond has twisted block (56) .

3. The airway suction catheter with an external soft sterile layer as claimed in claim 2, wherein: the clamp closes subassembly (54) including activity piece (541), through-hole (5411) with connecting rod (53) sliding connection are seted up to symmetry on activity piece (541), two closely bond on two mutually opposite sides of activity piece (541) has clamp splice (542), branch pipe (41) are located between two clamp splices (542), the top surface of activity piece (541) closely bond have with bar groove (523) sliding connection's slider (543), set up on slider (543) with threaded rod (55) threaded connection's screw hole (5431).

4. The airway suction catheter with an external soft sterile layer as claimed in claim 1, wherein: the outer wall of the circumference of the suction tube (1) is tightly adhered with a sterile layer (13).

5. The airway suction catheter with an external soft sterile layer as claimed in claim 2, wherein: the end part of the threaded rod (55) is rotationally connected with the fixing plate (522) through a bearing.

6. The airway suction catheter with an external soft sterile layer as claimed in claim 3, wherein: the overall shape of the clamping block (542) is triangular.