CN214512149U

CN214512149U - Continuous slow-release administration indwelling tube with slow-release tube and drug injection tube

Info

Publication number: CN214512149U
Application number: CN202022452966.2U
Authority: CN
Inventors: 夏敏; 王胜; 谭斌
Original assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Current assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-10-29
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a continuous slowly-releasing is dosed and is kept somewhere pipe with slowly-releasing pipe and injection pipe, including injection pipe, slowly-releasing pipe, the axial one end of slowly-releasing pipe is sealed, the axial other end of slowly-releasing pipe with the export through connection of injection pipe, the access connection of injection pipe has the medicine storage bag, the medicine mouth has on the medicine storage bag, and outside liquid medicine can via the medicine mouth gets into in the medicine storage bag, and then via injection pipe and via the pipe wall of slowly-releasing pipe oozes to its outside. The utility model discloses a continuous slowly-releasing with slowly-releasing pipe is dosed and is kept somewhere the pipe, avoids puncturing repeatedly to the patient that need to dose many times, need not to the wide patient multiple spot puncture of scope of dosing, reduces the misery of disease medical treatment in-process, improves the experience of seeking medical advice of disease.

Description

Continuous slow-release administration indwelling tube with slow-release tube and drug injection tube

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to continuous slowly-releasing is dosed and is kept somewhere pipe with slowly-releasing pipe and injection pipe.

Background

For many patients with sports injury, a local nerve blocking method is often needed to relieve pain and eliminate inflammation, and for some patients with substantial tumors, a tumor body injection method can be used to kill tumor cells. However, the prior art only can carry out single administration, and patients who need to carry out multiple administrations have to puncture repeatedly, which undoubtedly increases the pain of the patients; and when dosing, the medicine can only be concentrated from the export of dosing pipe and gushes out, and the medicine often gathers in the exit, can't spread enough far-away region, so, to some patients that need the wide scope of dosing, had to the multiple spot puncture and dosed, to the aforesaid adopt regional continuous treatment of dosing of percutaneous puncture (such as analgesia, chemotherapy etc.), does not have fine mode can long-time even local administration, proposes on this basis the utility model discloses a.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is to provide a continuous slowly-releasing indwelling tube of dosing with slowly-releasing pipe, avoid the repeated puncture to the patient that need to dose many times, need not to reduce the misery of disease medical process to the wide patient multiple spot puncture of the scope of dosing, improve the experience of seeking medical advice of disease.

In order to solve the problem, the utility model provides a continuous slowly-releasing is dosed and is kept somewhere pipe with slowly-releasing pipe and injection pipe, a serial communication port, including injection pipe (1), slowly-releasing pipe (3), the axial one end of slowly-releasing pipe (3) is sealed, the axial other end of slowly-releasing pipe (3) with the export through connection of injection pipe (1), the access connection of injection pipe (1) has medicine storage bag (2), medicine injection mouth (21) have on medicine storage bag (2), outside liquid medicine can via medicine injection mouth (21) get into in medicine storage bag (2), and then via injection pipe (1) and via the pipe wall of slowly-releasing pipe (3) oozes to its outside, be equipped with the check valve in medicine injection mouth (21).

Preferably, the medicine storage bag is made of an elastic material, so that the medicine liquid in the medicine storage bag is forced into the medicine injection tube by utilizing the elastic retraction of the medicine storage bag.

Preferably, the slow release tube is made of medical hydrophilic and hydrophobic nano composite materials.

Preferably, the medical hydrophilic and hydrophobic nanocomposite comprises one of a fluoropolymer and a polyurethane.

Preferably, the medicine storage bag is detachably connected with the medicine injection tube; and/or the medicine injection tube and the slow release tube are connected into a whole.

Preferably, the continuous slow-release drug delivery indwelling tube with the slow-release tube further comprises a puncture outer sheath, the puncture outer sheath is provided with a hollow lumen, and the drug injection tube passes through the hollow lumen; and/or the slow release tube passes through the hollow tube cavity.

Preferably, the penetrating sheath has a sheath core thereon.

Preferably, the drug injection port is in through connection with the drug storage bag through a connecting pipe.

The utility model provides a pair of continuous slowly-releasing is dosed and is kept somewhere pipe with the slowly-releasing pipe, through store up the anther sac with the purpose of the multiple spot puncture among the prior art, repeated puncture just can be realized to the design of slowly-releasing pipe, makes medical personnel can only puncture once, and the liquid medicine that is in storing up anther sac, injection pipe and slowly-releasing pipe can pass through the slow infiltration of slowly-releasing pipe oozes to the target tissue of keeping somewhere of disease, just the tube length of slowly-releasing pipe can cover great administration region, need not to the wide patient multiple spot puncture of scope of dosing, puncture repeatedly to reduce the misery in the disease medical treatment, improved the experience of seeking medical advice of disease.

Drawings

Fig. 1 is a schematic structural diagram of a continuous sustained-release drug administration indwelling tube with a sustained-release tube according to an embodiment of the present invention.

The reference numerals are represented as:

1. a medicine injection tube; 2. a medicine storage bag; 21. a medicine injection port; 22. a connecting pipe; 3. a slow release tube; 4. the sheath is punctured.

Detailed Description

Referring to fig. 1, according to the utility model discloses an embodiment provides a continuous slowly-releasing is dosed and is kept somewhere pipe with slowly-releasing pipe, including injection pipe 1, slowly-releasing pipe 3, the axial one end of slowly-releasing pipe 3 is sealed, the axial other end of slowly-releasing pipe 3 with the export through connection of injection pipe 1, the access connection of injection pipe 1 has medicine storage bag 2, medicine storage bag 2 is last to have injection mouth 21, and outside liquid medicine can via injection mouth 21 gets into in the medicine storage bag 2, and then via injection pipe 1 and via the pipe wall of slowly-releasing pipe 3 oozes to its outside. In this technical scheme, through store up the medicine bag 2 with the design of slowly-releasing tube 3 makes medical personnel can only puncture once just can realize the multiple spot puncture among the prior art, the purpose of puncturing repeatedly, and the liquid medicine that is in store up medicine bag 2, injection pipe 1 and slowly-releasing tube 3 can pass through slowly the infiltration of slowly-releasing tube 3 oozes to the target tissue of keeping somewhere of disease, just the pipe length of slowly-releasing tube 3 can cover great administration area, need not to puncture, puncture repeatedly to the wide patient multiple spot of scope of dosing to the misery in disease medical treatment process has been reduced, has improved the experience of seeking medical advice of disease.

Preferably, the drug storage bag 2 is made of an elastic material, so as to utilize the elastic retraction of the drug storage bag 2 to force the drug solution therein into the drug injection tube 1, it is understood that the elastic material should be a medical material, and in terms of the selection of the elastic force, it should match the exudation rate of the slow release tube 3, so as to prevent the drug solution from exuding too fast or too slow in the drug administration process. The slow release tube 3 is made of medical hydrophilic and hydrophobic nano composite materials, specifically, the medical hydrophilic and hydrophobic nano composite materials can comprise one of fluorine-containing macromolecules and polyurethane, and the pore diameter of a permeation hole on the slow release membrane is 1-100 nm. It is further noted that the cooperation of the elastic medicine storage bag 2 and the slow release tube 3 makes the administration more durable and uniform.

Preferably, the medicine storage bag 3 is made of an elastic material, and specifically, for example, one of silica gel, rubber, latex or nylon can be used, wherein the formable wall thickness of the silica gel is 0.2-0.4mm, the shore softness is 30, the medicine storage bag can be manufactured by injection molding or bonding technology, the elasticity is good, the product performance is stable, the medicine storage bag is transparent, and the medicine storage bag can be beneficial for an operator to observe the liquid medicine condition in the bag; the formable wall thickness of the rubber is 0.5-0.8mm, the Shore softness is 40, the formable wall can be manufactured by adopting an injection molding or bonding process, the formable wall has general elasticity, the appearance is rough, the hardness is high, the formable wall is mostly white, and the liquid medicine condition in the capsule can not be observed; the formable wall thickness of the latex is 0.2-1mm, the Shore softness is 20-30, the formable latex can be manufactured by adopting an injection molding or bonding process, the formable latex has moderate elasticity, the appearance is not fine and smooth enough, the formable latex is semitransparent, and the forming effect is not good; the wall thickness of the nylon formable wall is 0.2-0.6mm, the nylon formable wall can be manufactured by adopting a bonding process, the nylon formable wall has poor elasticity and is semitransparent, and therefore, the nylon formable wall is best and visible, and the medicine storage bag 3 is made of silica gel.

A check valve is arranged in the medicine injection port 21 to prevent the backflow and leakage of the medicine liquid.

The medicine storage bag 2 is detachably connected with the medicine injection tube 1, so that the application of the indwelling tube is more convenient and flexible; and/or the medicine injection tube 1 and the slow release tube 3 are connected into a whole to prevent the liquid medicine from leaking at the joint.

Further, the continuous slow-release drug delivery indwelling tube with the slow-release tube further comprises a puncture outer sheath 4, the puncture outer sheath 4 is provided with a hollow lumen, and the drug injection tube 1 passes through the hollow lumen; and/or the slow release tube 3 passes through the hollow lumen, and preferably, the puncture sheath 4 is provided with a sheath core to facilitate the puncture process.

The drug injection port 21 is in through connection with the drug storage bag 2 through a connecting pipe 22, and the connecting pipe 22 has flexibility, so that medical staff can conveniently select the drug administration angle when the drug is administered into the drug storage bag 2.

As a more preferable embodiment, the periphery of the slow release tube 3 may be optionally sleeved with a slow release positioning film sleeve (not shown in the figure), the slow release positioning film sleeve outside the through hole can prevent the liquid medicine in the slow release tube 3 from seeping out, and the through hole can allow the liquid medicine in the slow release tube 3 to seep out, so that the liquid medicine seeping out from the slow release tube 3 can be positioned, and the slow release positioning film sleeve is suitable for the situation that the continuous administration is required for some point-like focuses.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a keep somewhere pipe is dosed in continuous slowly-releasing with slowly-releasing pipe and injection tube, its characterized in that, includes injection tube (1), slowly-releasing pipe (3), the axial one end of slowly-releasing pipe (3) is sealed, the axial other end of slowly-releasing pipe (3) with the export through connection of injection tube (1), the access connection of injection tube (1) has medicine storage bag (2), medicine storage bag (2) are gone up and have injection mouth (21), and outside liquid medicine can via injection mouth (21) get into in medicine storage bag (2), and then via injection tube (1) and via the pipe wall of slowly-releasing pipe (3) oozes to its outside, be equipped with the check valve in injection mouth (21).

2. The indwelling tube according to claim 1, wherein the drug storage bag (2) is made of an elastic material to force the drug solution therein into the drug injection tube (1) by elastic retraction of the drug storage bag (2) itself.

3. The indwelling tube according to claim 2, wherein the drug storage pouch (2) is detachably connected to the drug injection tube (1); and/or the medicine injection tube (1) and the slow release tube (3) are connected into a whole.

4. The indwelling tube according to any of claims 1 to 3, further comprising a puncture outer sheath (4), the puncture outer sheath (4) having a hollow lumen in which the drug injection tube (1) passes; and/or the slow release tube (3) passes through the hollow tube cavity.

5. The indwelling tube according to claim 4, in which the penetrating sheath (4) has a sheath core thereon.

6. The indwelling tube according to claim 1, wherein the injection port (21) is in through connection with the drug reservoir (2) by means of a connecting tube (22).