CN215460644U

CN215460644U - Spiral drainage catheter

Info

Publication number: CN215460644U
Application number: CN202121617667.8U
Authority: CN
Inventors: 徐浩宇
Original assignee: Jiangsu Aiyuan Medical Technology Corp
Current assignee: Jiangsu Yangzi River Medical Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-11
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a spiral drainage catheter which comprises a circular tube section and a spiral drainage section, wherein the circular tube section and the spiral drainage section are integrally formed, a pipeline is arranged in the circular tube section, a tube cylinder body is arranged on the outer side of the spiral drainage section, a drainage inner cavity and a core body are arranged in the spiral drainage section, the pipeline is communicated with the drainage inner cavity, a groove is formed in the radial direction of the tube cylinder body and is communicated with the drainage inner cavity, and the drainage inner cavity and the groove are spirally arranged along the axial direction of the tube cylinder body. The spiral drainage catheter has simple and reasonable structure, and can improve the drainage efficiency when a medical institution drains effusion or inflammatory secretion in the body of a surgical patient; the smooth outer wall can relieve the pain of the patient.

Description

Spiral drainage catheter

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a spiral drainage catheter.

Background

The drainage catheter is generally used after a surgical operation, and is mainly used for guiding pus, waste blood and waste liquid accumulated in human tissues or body cavities to the outside of a body, preventing postoperative infection and promoting wound healing. The drainage catheter used in clinical surgery at present has various varieties, but the following problems are generally existed: 1. the drainage hole is easily blocked by human tissue fragments, physiological residues and blood clots; 2. when the pipe is buried, the angle of the drainage catheter is deviated, and the drainage effect is not ideal. The defects bring pain to patients and bring inconvenience to clinical use.

Chinese utility model patent with application number CN2015206449298 discloses prevent stifled drainage tube, which comprises a pipe body, be provided with drainage channel in the body, be provided with the drainage entry on the preceding terminal surface of body, it has a plurality of axially extending's slot to open on the anterior pipe wall of body, forms the support pipe wall between two adjacent slots, leave the body thin wall between slot bottom and the drainage channel, be provided with the through-hole that is linked together with drainage channel on the body thin wall. The utility model has the beneficial effects that: structural design is reasonable, opens the passageway that the slot formed oozing liquid and bloody water flow easily on the one hand on the pipe wall, makes things convenient for oozing liquid and bloody water along the slot water conservancy diversion like in the body, and the pipe wall of on the other hand slot both sides can play certain supporting role, struts the flesh body around the body to for oozing liquid and bloody water flow creation condition, difficult formation blocks up. The above patent has certain anti-clogging effect, but still can't solve the problem that the drainage scope is little.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a spiral drainage catheter which comprises a circular pipe section and a spiral drainage section, wherein the circular pipe section and the spiral drainage section are integrally formed, a pipeline is arranged in the circular pipe section, a pipe column body is arranged on the outer side of the spiral drainage section, a drainage inner cavity and a core body are arranged in the spiral drainage section, the pipeline is communicated with the drainage inner cavity, a groove is radially formed in the pipe column body, the groove is communicated with the drainage inner cavity, and the drainage inner cavity and the groove are spirally arranged along the axial direction of the pipe column body.

Preferably, the number of the drainage inner cavities and the number of the grooves are two, a groove is respectively formed in each of the two drainage inner cavities in the radial direction, a core body is arranged between the two drainage inner cavities for separation, and the cross section of the core body is of a straight-line structure.

Preferably, the number of the drainage inner cavities and the number of the grooves are three, a groove is formed in each of the three drainage inner cavities in the radial direction, a core body is arranged between the three drainage inner cavities for separation, and the cross section of the core body is of a Y-shaped structure.

Preferably, the number of the drainage inner cavities and the number of the grooves are four, a groove is respectively formed in each of the four drainage inner cavities in the radial direction, a core body is arranged among the four drainage inner cavities for blocking, and the cross section of the core body is of a cross structure.

Preferably, the outer side walls of the circular pipe section and the spiral drainage section are provided with developing lines.

The utility model has the advantages that:

1. when the drainage device is used for draining a surgical patient, all the spiral drainage sections and part of the circular tube section are arranged at the part needing drainage, and the groove of the spiral drainage catheter can collect hydrops or inflammatory secretions in the body to the maximum position, so that the drainage efficiency is improved.

2. The drainage inner cavities and the grooves are multiple, when one drainage inner cavity is blocked, the other drainage inner cavities can be continuously used, and the blocking problem is effectively solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic cross-sectional view of a circular tube segment according to the present invention

FIG. 3 is a schematic cross-sectional view of a first embodiment of a spiral flow guide segment of the present invention.

FIG. 4 is a schematic cross-sectional view of a second embodiment of the spiral flow guide of the present invention

FIG. 5 is a schematic cross-sectional view of a third embodiment of a helical flow guide of the present invention

In the figure: 1 circular pipe section, 2 spiral drainage sections, 3 pipelines, 4 pipe columns, 5 drainage inner cavities, 6 core bodies, 7 grooves and 8 developing lines.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1-3, a spiral drainage catheter, including pipe section 1 and spiral drainage section 2, pipe section 1 and spiral drainage section 2 integrated into one piece, pipe section 1 and spiral drainage section 2's lateral wall is equipped with continuous developing line 8, developing line 8 plays corresponding mark location effect, be equipped with pipeline 3 in the

pipe section

1, 2 outsides of spiral drainage section are the tube column body 4, inside is equipped with drainage inner chamber 5 and core 6, pipeline 3 is linked together with drainage inner chamber 5, slot 7 has been seted up to tube column body 4 radially, slot 7 communicates with each other with drainage inner chamber 5, drainage inner chamber 5 and slot 7 all set up along tube column body 4 axial helicity, drainage inner chamber 5 and slot 7 are equipped with two, two drainage inner chamber 5 radially have seted up a slot 7 respectively, be equipped with core 6 between two drainage inner chambers 5 and carry out the separation, core 6 cross-section is a style of calligraphy structure. When drainage is carried out on a surgical patient, all the spiral drainage sections 2 and part of the circular tube section 1 are arranged at a position needing drainage, the groove 7 of the spiral drainage catheter collects hydrops or inflammatory secretions in vivo in the largest direction, the collected hydrops or inflammatory secretions flow into the pipeline 3 of the circular tube section 1 under the action of gravity or negative pressure, and then the drainage is carried out of the body.

Example 2

As shown in fig. 1, 4, a spiral drainage catheter, including pipe section 1 and spiral drainage section 2,

pipe section

1 and 2 integrated into one piece of spiral drainage section, the lateral wall of pipe section 1 and spiral drainage section 2 is equipped with continuous developing line 8, be equipped with pipeline 3 in the

pipe section

1, 2 outsides of spiral drainage section are the tube column body 4, inside is equipped with drainage inner chamber 5 and core 6, pipeline 3 is linked together with drainage inner chamber 5, slot 7 has radially been seted up to tube column body 4, slot 7 communicates with each other with drainage

inner chamber

5, 4 axial spiral settings are all followed to drainage inner chamber 5 and slot 7, drainage inner chamber 5 and slot 7 are equipped with threely, a slot 7 has radially upwards seted up separately to three drainage inner chamber 5, be equipped with core 6 between three drainage inner chamber 5 and carry out the separation, core 6 cross-section is the Y style of calligraphy structure. When drainage is carried out on a surgical patient, all the spiral drainage sections 2 and part of the circular tube section 1 are arranged at a position needing drainage, the groove 7 of the spiral drainage catheter collects hydrops or inflammatory secretions in vivo in the largest direction, the collected hydrops or inflammatory secretions flow into the pipeline 3 of the circular tube section 1 under the action of gravity or negative pressure, and then the drainage is carried out of the body.

Example 3

As shown in fig. 1, 5, a spiral drainage catheter, including pipe section 1 and spiral drainage section 2, pipe section 1 and spiral drainage section 2 integrated into one piece, pipe section 1 and spiral drainage section 2's lateral wall are equipped with continuous development line 8, be equipped with pipeline 3 in the

pipe section

1, 2 outsides of spiral drainage section are the cylinder 4, inside is equipped with drainage inner chamber 5 and core 6, pipeline 3 is linked together with drainage inner chamber 5, slot 7 has radially been seted up to cylinder 4, slot 7 communicates with each other with drainage inner chamber 5, drainage inner chamber 5 and slot 7 all follow 4 axial spiral settings of cylinder, drainage inner chamber 5 and slot 7 are equipped with four, four drainage inner chamber 5 are upwards seted up a slot 7 respectively, be equipped with core 6 between four drainage inner chambers 5 and carry out the separation, core 6 cross-section is the cross structure. When drainage is carried out on a surgical patient, all the spiral drainage sections 2 and part of the circular tube section 1 are arranged at a position needing drainage, the groove 7 of the spiral drainage catheter collects hydrops or inflammatory secretions in vivo in the largest direction, the collected hydrops or inflammatory secretions flow into the pipeline 3 of the circular tube section 1 under the action of gravity or negative pressure, and then the drainage is carried out of the body.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A helical drainage catheter characterized by: including pipe section (1) and spiral drainage section (2), pipe section (1) with spiral drainage section (2) integrated into one piece, be equipped with pipeline (3) in pipe section (1), spiral drainage section (2) outside is tube column body (4), and inside is equipped with drainage inner chamber (5) and core (6), pipeline (3) are linked together with drainage inner chamber (5), slot (7) have radially been seted up of tube column body (4), slot (7) communicate with each other with drainage inner chamber (5), drainage inner chamber (5) and slot (7) all set up along tube column body (4) axial spiral.

2. The helical drainage catheter of claim 1, wherein: drainage inner chamber (5) and slot (7) are equipped with two, two a slot (7) have radially been seted up separately to drainage inner chamber (5), two be equipped with core (6) between drainage inner chamber (5) and carry out the separation, core (6) cross-section is a style of calligraphy structure.

3. The helical drainage catheter of claim 1, wherein: drainage inner chamber (5) and slot (7) are equipped with threely, and is three drainage inner chamber (5) are radially seted up a slot (7) respectively, and are three be equipped with core (6) between drainage inner chamber (5) and carry out the separation, core (6) cross-section is Y style of calligraphy structure.

4. The helical drainage catheter of claim 1, wherein: drainage inner chamber (5) and slot (7) are equipped with four, four drainage inner chamber (5) radially have seted up a slot (7) respectively, four be equipped with core (6) between drainage inner chamber (5) and carry out the separation, core (6) cross-section is the cross structure.

5. The helical drainage catheter of any of claims 1 to 4, wherein: the outer side walls of the circular pipe section (1) and the spiral drainage section (2) are provided with developing lines (8).