CN216061623U

CN216061623U - Phototherapeutic hydrogel flow guide pipe

Info

Publication number: CN216061623U
Application number: CN202120124830.0U
Authority: CN
Inventors: 陈勇; 谈华平; 陈律锟
Original assignee: Suzhou Mingjing Medical Technology Co ltd
Current assignee: Suzhou Mingjing Medical Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2022-03-18
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a phototherapy hydrogel flow guide tube, and relates to the technical field of medical instruments. This honeycomb duct includes: the gel tube consists of an implantation section which can be implanted into a human body, a flow guide section which is used for discharging the exudate at the affected part of the human body and a connecting section which is used for introducing therapeutic light, wherein the implantation section, the flow guide section and the connecting section are mutually communicated; a connecting pipe; and a connection member which can communicate one end of the connection pipe and the connection-section end of the gel pipe. The phototherapy hydrogel flow guide pipe can realize the flow guide effect of exudate at the affected part of a human body, can be connected with a phototherapy instrument, introduces blue light, red light and the like to help the treatment, reduces the probability of infection at the affected part, and accelerates the healing of the affected part.

Description

Phototherapeutic hydrogel flow guide pipe

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a phototherapeutic hydrogel flow guide tube.

Background

The main effect of honeycomb duct or drainage tube is that the smooth outflow of seepage liquid etc. in helping patient's wound face or abdominal cavity avoids the seepage liquid to silt up in wound face or abdominal cavity, otherwise can lead to the condition that the disease is attack or is infected repeatedly. The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like.

Because the drainage tube extends to the outside of the body from the inside of the body, the position of the operation incision is exposed in the external environment, and adverse events such as incision infection, multiple drug-resistant bacteria infection and the like are easy to occur. Bacteria also penetrate deep into the wound along the drainage tube, resulting in deep or systemic infection. Therefore, the postoperative care work is particularly burdensome. The incision infection is discovered and treated early, hemostasis and anti-inflammation are carried out after the operation according to the medical advice, whether the exudation and the blood seepage of the dressing and the body temperature rise exist or not is observed, whether the inflammation changes exist in the incision and the surrounding skin or not is observed, and the dressing is changed in time. When the incision of a patient is infected, the body temperature is increased, the pain is increased, the skin is red and swollen, the incision drainage is needed to wash the infected incision, and the dressing change is carried out at regular time.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides a phototherapy hydrogel flow guide tube which can realize the flow guide effect of the exudate at the affected part of a human body, can be connected with a phototherapy instrument, introduces blue light, red light and the like to help treatment, reduces the probability of infection at the affected part, and accelerates the healing of the affected part.

In order to achieve the purpose, the utility model adopts the following scheme:

a phototherapeutic hydrogel flow conduit, the flow conduit comprising:

the gel tube consists of an implantation section which can be implanted into a human body, a flow guide section which is used for discharging the exudate at the affected part of the human body and a connecting section which is used for introducing therapeutic light, wherein the implantation section, the flow guide section and the connecting section are mutually communicated;

a connecting pipe;

and a connection member which can communicate one end of the connection pipe and the connection-section end of the gel pipe.

Further, the material of the gel tube is modified chitosan hydrogel.

Furthermore, the modified chitosan hydrogel is formed by crosslinking oxidized carboxymethyl cellulose and carboxymethyl chitosan through Schiff base reaction.

Further, the connection member includes:

the outer ring surface of the end part of the connecting section is provided with annular insections;

the first thread is arranged on the outer ring surface of the end part of the connecting pipe;

the end part of the rubber tube extends to form a fixing ring;

the inner ring surface is provided with a sleeve with second threads, and the second threads are matched with the first threads;

the first ring plate and the second ring plate clamp the fixing ring;

the end part of the connecting section provided with the annular insection can extend into the sleeve, the end part of the connecting pipe provided with the first thread can be screwed into the sleeve, and the sleeve is positioned in the rubber pipe; the sleeve rotates and moves on the first thread, so that the sleeve can be separated from the rubber pipe, and the rubber pipe can flexibly connect the connecting section with the connecting pipe.

Further, the end of the sleeve extends to form a stop collar.

Furthermore, the outer ring surfaces of the limiting ring, the first ring plate and the second ring plate are all provided with strip-shaped bulges parallel to the central axis of the limiting ring, the first ring plate and the second ring plate.

Still further, the outer ring surface of sleeve pipe all is equipped with the strip guide strip that is on a parallel with its axis.

Still further, the outer ring surface of connecting pipe still is equipped with spacing arch.

According to the guide pipe, the implantation section of the gel pipe can be directly implanted into the affected part of the human body, and the connection section is sealed to keep the implantation section and the guide section communicated, so that waste liquid at the affected part of the human body can be led out; in addition, the connecting section of the gel tube can be flexibly connected with the connecting tube through the connecting part and then connected with the light source through the connecting tube, so that therapeutic light is introduced, and healing of the affected part is accelerated.

The utility model has the advantages that: 1) the gel tube is made of modified chitosan hydrogel, has excellent performances of biocompatibility, blood compatibility, safety and the like, can be degraded and absorbed by a human body after being implanted into a body at an implantation section, is safe and nontoxic, does not need to be taken out, avoids secondary damage to a wound, and relieves the pain of a patient;

2) in addition, the modified chitosan hydrogel has the functions of relieving swelling and pain, resisting bacteria and diminishing inflammation, reducing wound seepage and promoting wound healing, and further helps to treat the affected part while guiding the flow of the affected part;

3) the gel tube also has the function of light guide, is connected with the connecting tube through the connecting piece and is connected with the phototherapy instrument through the connecting tube, red light treatment or blue light sterilization is carried out on the deep part in the body, the wound healing is accelerated, and timely and comprehensive sterilization and infection prevention are realized; greatly reduces the nursing workload of nursing staff.

Drawings

Fig. 1 is a schematic structural view of the draft tube of the present invention.

Fig. 2 is a schematic view showing the structure of the connecting section and the connecting pipe inserting sleeve in the connecting part according to the present invention.

Fig. 3 is a schematic structural view of the connection part of the present invention in which the connection section and the connection pipe are flexibly connected by a rubber tube.

Fig. 4 is a schematic structural view of the matching of the sleeve and the rubber tube in the connecting part of the utility model.

FIG. 5 is a schematic view of the structure of the connecting member of the present invention in which a rubber tube and a ring plate are engaged.

Fig. 6 is a schematic view showing the structure of a sleeve in the connecting member of the present invention.

Fig. 7 is a schematic cross-sectional view taken along the line a-a in fig. 6.

FIG. 8 is a schematic view showing the structure of the connecting section end of the gel tube according to the present invention.

In the figure: 1-gel tube, 1.1-implantation section, 1.2-diversion section, 1.3-connection section; 2-connecting pipe, 2.1-limiting projection; 3-connecting part, 3.1-annular insection, 3.2-first thread, 3.3-rubber tube, 3.4-fixing ring, 3.5-second thread, 3.6-sleeve, 3.61-guide strip, 3.7-first ring plate, 3.8-second ring plate, 3.9-spacing ring.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second", etc. 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. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, this embodiment provides a phototherapeutic hydrogel delivery tube, comprising:

the gel tube 1 is composed of an implantation section 1.1 which can be implanted into a human body, a flow guide section 1.2 which is used for discharging the exudate of an affected part of the human body and a connecting section 1.3 which is used for introducing therapeutic light, wherein the implantation section 1.1, the flow guide section and the connecting section are mutually communicated;

a connecting pipe 2;

a connection part 3 which can communicate one end of the connection tube 2 and the end of the connection section 1.3 of the gel tube 1.

The other end of the connecting pipe 2 can be connected with a phototherapy instrument for introducing therapeutic light.

In order to further relieve the pain of the patient, the material of the gel tube 1 in this embodiment is modified chitosan hydrogel. The modified chitosan hydrogel has excellent performances of biocompatibility, blood compatibility, safety and the like, can be degraded and absorbed by a human body after being implanted into the body at the implanted section of the gel tube 1, is safe and nontoxic, does not need to be taken out, and avoids secondary damage to wounds; in addition, the modified chitosan hydrogel has the functions of relieving swelling and pain, resisting bacteria and diminishing inflammation, reducing wound seepage and promoting wound healing, and can be used for further helping the treatment of the affected part while carrying out diversion on the affected part.

In this embodiment, the modified chitosan hydrogel is formed by coupling oxidized carboxymethyl cellulose and carboxymethyl chitosan through schiff base reaction.

As shown in fig. 2 to 8, in order to facilitate the flexible connection of the connection section 1.3 and the connection pipe 2, the connection part 3 includes:

the outer annular surface of the end part of the connecting section 1.3 is provided with annular insections 3.1;

the outer ring surface of the end part of the connecting pipe 2 is provided with a first thread 3.2;

the end part of the rubber tube 3.3 extends to form a fixed ring 3.4;

the inner ring surface is provided with a sleeve 3.6 with second threads 3.5, and the second threads 3.5 are matched with the first threads 3.2;

the first ring plate 3.7 and the second ring plate 3.8 are clamped, and the first ring plate 3.7 and the second ring plate 3.8 clamp the fixing ring 3.4; in addition, the first ring plate 3.7, the second ring plate 3.8 and the fixing ring 3.4 can be fixed by screws or glue.

In order to facilitate the rotation of the sleeve 3.6, the end of said sleeve 3.6 is extended to form a stop collar 3.9.

The end part of the connecting section 1.3 provided with the annular insection 3.1 can extend into the sleeve 3.6, the end part of the connecting pipe 2 provided with the first thread 3.2 can be screwed into the sleeve 3.6, and the sleeve 3.6 is positioned in the rubber pipe 3.3; the sleeve 3.6 is rotationally moved on the first thread 3.2, so that the sleeve 3.6 can be separated from the rubber tube 3.3, and the rubber tube 3.3 can flexibly connect the connecting section 1.3 and the connecting pipe 2.

It should be noted here that, in order to further facilitate the formation of the flexible connection, fixing rings 3.4 may be provided at both ends of the rubber tube 3.3, and the fixing rings 3.4 are clamped by ring plates; then, when the sleeve 3.6 enters the rubber tube 3.3, the sleeve 3.6 can be conveniently entered by holding the ring plate close to the limiting ring 3.9 by hand; when the sleeve 3.6 is separated from the rubber tube 3.3, the sleeve 3.6 can be conveniently separated by holding the ring plate far away from the limiting ring 3.9 by hands.

When the limiting ring 3.9, the first ring plate 3.7 and the second ring plate 3.8 are operated by hand, in order to increase the friction force, strip-shaped protrusions parallel to the central axis of the limiting ring 3.9, the first ring plate 3.7 and the second ring plate 3.8 are arranged on the outer ring surfaces.

In order to further facilitate the movement of the sleeve 3.6 into and out of the rubber tube 3.3, the outer annular surface of the sleeve 3.6 is provided with a strip-shaped guide strip 3.61 parallel to the central axis thereof, so that the contact area between the sleeve 3.6 and the rubber tube 3.3 is reduced and the friction force is reduced.

In this embodiment, the outer annular surface of the connecting pipe 2 is further provided with a limiting protrusion 2.1, so that the sleeve 3.6 can be prevented from being screwed out of the connecting pipe 2.

In this embodiment, the outer diameter of the connecting section 1.3 is smaller than the inner diameter of the casing 3.6; the inner diameter of the rubber tube 3.3 is smaller than the outer diameter of the connecting section 1.3 and smaller than the outer diameter of the connecting tube 2 under the non-deformation state.

In the honeycomb duct of the embodiment, when the waste liquid at the affected part of the human body is guided, the implantation section 1.1 of the gel tube 1 can be directly implanted into the affected part of the human body, and the connection section 1.3 is sealed to keep the implantation section 1.1 and the guide section 1.2 communicated, so that the waste liquid at the affected part of the human body can be guided out;

in addition, can also be with the linkage segment 1.3 of gel pipe 1 can also be through adapting unit flexible connection connecting pipe 2 to through connecting pipe 2 reconnection light source, introduce treatment light, the affected part healing is accelerated, during the connection: the limiting ring 3.9 and the ring plate are held by hand, the sleeve 3.6 is inserted into the rubber tube 3.3, then one end of the connecting tube 2 with the first thread 3.2 is screwed in from one end of the limiting ring 3.9 arranged on the sleeve 3.6, then the end part of the connecting section 1.3 is inserted from the other end of the sleeve 3.6 until contacting the connecting tube 2, the limiting ring 3.9 is rotated, the sleeve 3.6 slides out from the rubber tube 3.3, then the rubber tube 3.3 is contracted and sleeved on the end part of the connecting section 1.3 and the connecting tube 2, and therefore the end part of the connecting section 1.3 is flexibly connected with the connecting tube 2;

when the connecting section 1.3 of the gel pipe 1 needs to be disconnected from the connecting pipe 2, the limiting ring 3.9 can be rotated, the sleeve 3.6 slides into the rubber pipe 3.3 again, the sleeve 3.6 supports the rubber pipe 3.3, and the connecting section 1.3 can be easily drawn out of the sleeve, so that the connecting section 1.3 is separated from the connecting pipe 2.

Due to the brittleness of the gel tube formed by curing the modified chitosan hydrogel, the flexible connection can avoid the connection section from being damaged, thereby realizing the connection and separation between the connection section 1.3 and the connection tube 2 for many times.

Claims

1. A phototherapeutic hydrogel flow conduit, the flow conduit comprising:

the gel tube (1), the said gel tube (1) is by the implant section (1.1) that can implant the human body that communicates each other, in order to discharge the diversion section (1.2) of the affected part exudate of the human body and introduce the connecting segment (1.3) of the therapeutic light to form;

a connecting pipe (2);

a connecting part (3) which can communicate one end of the connecting pipe (2) and the end of the connecting section (1.3) of the gel pipe (1).

2. The phototherapy hydrogel delivery tube of claim 1, wherein: the material of the gel tube (1) is modified chitosan hydrogel.

3. The phototherapy hydrogel delivery tube of claim 2, wherein: the modified chitosan hydrogel is formed by coupling oxidized carboxymethyl cellulose and carboxymethyl chitosan through Schiff base reaction.

4. The phototherapy hydrogel delivery tube of claim 2, wherein the connecting member (3) comprises:

the outer ring surface of the end part of the connecting section (1.3) is provided with annular insections (3.1);

a first thread (3.2) is arranged on the outer ring surface of the end part of the connecting pipe (2);

a rubber tube (3.3) with an end portion extending to form a fixing ring (3.4);

the inner ring surface is provided with a sleeve (3.6) with second threads (3.5), and the second threads (3.5) are matched with the first threads (3.2);

the first ring plate (3.7) and the second ring plate (3.8) clamp the fixing ring (3.4);

the end part of the connecting section (1.3) provided with the annular insection (3.1) can extend into the sleeve (3.6), the end part of the connecting pipe (2) provided with the first thread (3.2) can be screwed into the sleeve (3.6), and the sleeve (3.6) is positioned in the rubber pipe (3.3); the sleeve (3.6) rotates on the first thread (3.2), so that the sleeve (3.6) can be separated from the rubber tube (3.3), and the rubber tube (3.3) can flexibly connect the connecting section (1.3) with the connecting tube (2).

5. The phototherapy hydrogel delivery tube of claim 4, wherein: the end of the sleeve (3.6) extends to form a limiting ring (3.9).

6. The phototherapy hydrogel delivery tube of claim 5, wherein: the outer ring surfaces of the limiting ring (3.9), the first ring plate (3.7) and the second ring plate (3.8) are all provided with strip-shaped bulges parallel to the central axis of the limiting ring.

7. The phototherapy hydrogel delivery tube of claim 5, wherein: the outer ring surface of the sleeve (3.6) is provided with strip-shaped guide strips (3.61) parallel to the central axis.

8. The phototherapy hydrogel delivery tube of claim 5, wherein: the outer ring surface of the connecting pipe (2) is also provided with a limiting bulge (2.1).