CN112295087B - Continuous slow-release administration analgesic drainage tube - Google Patents
Continuous slow-release administration analgesic drainage tube Download PDFInfo
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- CN112295087B CN112295087B CN202011187983.6A CN202011187983A CN112295087B CN 112295087 B CN112295087 B CN 112295087B CN 202011187983 A CN202011187983 A CN 202011187983A CN 112295087 B CN112295087 B CN 112295087B
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- Prior art keywords
- release
- drainage tube
- tube
- sustained
- drug
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/0071—Multiple separate lumens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0057—Catheters delivering medicament other than through a conventional lumen, e.g. porous walls or hydrogel coatings
Abstract
The invention provides a continuous slow-release drug administration analgesic drainage tube which comprises a drainage tube body, a slow-release tube and a drug storage bag, wherein the slow-release tube is connected with the drainage tube body into a whole, the slow-release tube extends along the extending direction of the drainage tube body, a drug injection port is formed in the drug storage bag, external liquid medicine can enter the drug storage bag through the drug injection port, and the liquid medicine in the drug storage bag can be forced into the slow-release tube and oozes to the outer side of the drug storage bag through the tube wall of the slow-release tube. The continuous slow-release administration analgesic drainage tube can continuously and slowly release analgesic drugs to the incision part while draining exudates and blood at the incision part so as to relieve incision pain and drainage tube irritation pain of patients.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a continuous slow-release administration analgesic drainage tube.
Background
For many surgical patients, a drainage tube is needed to be placed on an incision to drain exudates and blood, local anesthetic is often injected into the incision for relieving the incision pain and the irritation pain of the drainage tube of the patient, but because the local anesthetic is only injected once, the patient feels severe pain after the metabolism of the local anesthetic is finished, the drainage tube is an outward drainage device, the pain can not be relieved by injecting the local anesthetic into the cavity of the drainage tube, so that the analgesic can only be applied in a whole body, and the defects of poor effect, great side effect and the like exist in the whole body of the medicine.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the continuous slow-release administration analgesic drainage tube, which can continuously and slowly release analgesic drugs to the incision part while draining exudates and blood at the incision part so as to relieve incision pain and drainage tube irritation of patients.
In order to solve the problems, the invention provides a continuous slow-release drug administration analgesic drainage tube, which comprises a drainage tube body, a slow-release tube and a drug storage bag, wherein the slow-release tube is connected with the drainage tube body into a whole and extends along the extending direction of the drainage tube body, the drug storage bag is provided with a drug injection port, external liquid medicine can enter the drug storage bag through the drug injection port, and the liquid medicine in the drug storage bag can be forced into the slow-release tube and oozes to the outside of the drug storage bag through the tube wall of the slow-release tube.
Preferably, the medicine storage bag is made of elastic materials so as to force the medicine liquid in the medicine storage bag into the slow release 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 fluorine-containing polymer and polyurethane.
Preferably, the medicine storage bag is communicated with the slow release pipe through a medicine injection pipe.
Preferably, the drug injection tube is a flexible tube.
Preferably, the drug injection tube and the slow release tube are connected into a whole; and/or the medicine injection tube and the drainage tube body are held together by adopting a hoop.
Preferably, a plurality of drainage holes are formed in the pipe wall of the drainage pipe body, and the drainage holes are arranged at intervals along the extending direction of the drainage pipe body.
Preferably, one end of the drainage tube body positioned in the target indwelling tissue is an open end; and/or one end of the slow release tube positioned in the target indwelling tissue is a closed end.
Preferably, a check valve is arranged in the medicine injection port.
According to the continuous slow-release drug administration analgesic drainage tube provided by the invention, through the combined action of the slow-release tube 2 and the drug storage bag 3, analgesic drugs can be continuously and slowly released to the incision part while exudates and blood are drained at the incision part, so that incision pain and drainage tube irritation pain of patients after local anesthesia drugs are metabolized at the incision position of the patients in the prior art are effectively relieved, and the defect caused by general anesthesia after the local anesthesia drugs are metabolized in the prior art is effectively avoided.
Drawings
Fig. 1 is a schematic structural view of a continuous sustained-release administration analgesic drainage tube according to an embodiment of the present invention.
The reference numerals are expressed as:
1. a drainage tube body; 11. drainage holes; 2. a slow release tube; 3. a drug storage bag; 31. a medicine injection port; 4. a drug injection tube; 41. and (5) hooping.
Detailed Description
Referring to fig. 1, according to an embodiment of the present invention, there is provided a continuous sustained release administration analgesic drainage tube, comprising a drainage tube body 1, a sustained release tube 2, and a drug storage bag 3, wherein the sustained release tube 2 is integrally connected with the drainage tube body 1 and the sustained release tube 2 extends along the extending direction of the drainage tube body 1, the drug storage bag 3 is provided with a drug injection port 31, external drug liquid can enter the drug storage bag 3 through the drug injection port 31, and the drug liquid in the drug storage bag 3 can be forced into the sustained release tube 2 and oozed to the outside thereof through the wall of the sustained release tube 2. According to the technical scheme, through the combined action of the slow release pipe 2 and the medicine storage bag 3, analgesic medicine can be continuously and slowly released to the incision part when exudates and blood are drained at the incision part, incision pain and drainage tube irritation pain of patients after local anesthesia medicine metabolism at the incision position of the patients in the prior art are effectively relieved, and the defect caused by general anesthesia after local anesthesia medicine metabolism in the prior art is effectively avoided.
Preferably, the drug storage bag 3 is made of an elastic material, so that the drug liquid in the drug storage bag 3 is forced into the drug injection tube 4 by utilizing the elastic retraction of the drug storage bag 3, and it is understood that the elastic material is a medical material, and in the aspect of selecting the elastic force, the elastic material is matched with the exudation rate of the slow release tube 2, so that the exudation drug administration process of the drug liquid is prevented from being excessively fast or excessively slow. The sustained-release tube 2 is made of medical hydrophilic and hydrophobic nano composite materials, and concretely, the medical hydrophilic and hydrophobic nano composite materials can comprise one of fluorine-containing high polymer and polyurethane, and the aperture of a permeation hole on the sustained-release membrane is 1-100nm. It should be further noted that the cooperation of the elastic drug storage bag 3 and the sustained release tube 2 makes the drug administration more durable and uniform.
Preferably, the medicine storage bag 3 is made of elastic material, specifically, for example, one of silica gel, rubber, latex or nylon, wherein the wall thickness of the silica gel is 0.2-0.4mm, the shore softness is 30, and the medicine storage bag can be made by injection molding or bonding process, has good elasticity, stable product performance and transparent color, and is beneficial for operators to observe the condition of medicine liquid in the bag; the wall thickness of the formable rubber is 0.5-0.8mm, the Shore softness is 40, the formable rubber can be manufactured by adopting an injection molding or bonding process, the formable rubber has general elasticity, rough appearance and high hardness, is white, and can not observe the condition of liquid medicine in the bag; the latex can be formed with the wall thickness of 0.2-1mm and the Shore softness of 20-30, can be manufactured by adopting an injection molding or bonding process, has moderate elasticity, is not fine and smooth in appearance, is semitransparent, and has poor shaping effect; the nylon formable wall thickness is 0.2-0.6mm, can be manufactured by adopting an adhesion process, has poor elasticity and is semitransparent, so that the medicine storage bag 3 is preferably manufactured by adopting silica gel.
Preferably, the medicine storage bag 3 is communicated with the slow release tube 2 through a medicine injection tube 4, and most preferably, the medicine injection tube 4 is a flexible tube, which can facilitate the selection of the medicine administration angle of medical staff when medicine is administrated into the medicine storage bag 3.
Further, the injection tube 4 is integrally connected with the slow release tube 2, so as to prevent the liquid medicine from leaking at the joint of the injection tube and the slow release tube; and/or, the drug injection tube 4 and the drainage tube body 1 are integrated by adopting the anchor ear 41, so that the drug storage bag 3 can be removed when slow release drug delivery is not needed, and the drug injection tube 4 and the drainage tube body 1 are reliably connected through the anchor ear 41 when slow release drug delivery is needed.
Be equipped with a plurality of drainage holes 11 on the pipe wall of drainage tube body 1, a plurality of drainage holes 11 are followed the extending direction interval setting of drainage tube body 1, in order to promote drainage tube body 1's drainage ability, the one end that drainage tube body 1 is in the target and detains the tissue is the open end, and the one end that is outside the target is detained the tissue then is used for connecting negative pressure suction device. And it can be understood that the end of the slow release tube 2 positioned in the target indwelling tissue is a closed end, so as to ensure the slow release exudation effect of the liquid medicine in the slow release tube.
A check valve is provided in the injection port 31 to prevent the backflow and leakage of the chemical solution.
As a more preferable embodiment, the outer circumference of the slow release tube 2 may be optionally sleeved with a slow release administration positioning film sleeve (not shown in the figure), the slow release administration positioning film sleeve is provided with a through hole, the slow release administration positioning film sleeve outside the through hole can prevent the liquid medicine in the slow release tube 2 from exuding, and the through hole can allow the liquid medicine in the slow release tube 2 to exude, so that the liquid medicine exuding in the slow release tube 2 can be positioned, so that the slow release tube is suitable for the situation that some punctiform lesions need continuous administration.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. The utility model provides a continuous slow release is administered and is easing pain drainage tube, its characterized in that includes drainage tube body (1), sustained release pipe (2), medicine storage bag (3), sustained release pipe (2) with drainage tube body (1) are connected as an organic wholely just sustained release pipe (2) are followed the extending direction of drainage tube body (1), medicine storage bag (3) are last to have injection port (31), outside liquid medicine can be passed through injection port (21) get into in medicine storage bag (3), liquid medicine in medicine storage bag (3) can be forced into sustained release pipe (2) and is passed through the pipe wall of sustained release pipe (2) oozes to its outside, sustained release pipe (2) adopt medical hydrophilicity and hydrophobic nanocomposite to make and be placed in the target to keep somewhere the tissue, the periphery suit slow release of sustained release pipe (2) is given medicine location membrane cover, the last through-hole that has of construction of slow release.
2. The continuous sustained-release administration analgesic drainage tube as claimed in claim 1 wherein said drug storage balloon (3) is made of an elastic material to force the drug solution therein into said sustained-release tube (2) by utilizing the elastic retraction of said drug storage balloon (3) itself.
3. The continuous sustained-release administration analgesic drainage tube of claim 1 wherein said medical hydrophilic and hydrophobic nanocomposite comprises one of a fluorine-containing polymer, polyurethane.
4. The continuous sustained-release administration analgesic drainage tube as claimed in claim 1 wherein said drug storage bag (3) is in communication with said sustained-release tube (2) via a drug injection tube (4).
5. The continuous sustained release dosing analgesic drainage tube of claim 4 wherein said drug infusion tube (4) is a flexible tube.
6. The continuous sustained-release administration analgesic drainage tube as claimed in claim 4 wherein said drug injection tube (4) is integrally connected with said sustained-release tube (2); and/or the medicine injection tube (4) and the drainage tube body (1) are integrated by adopting a hoop (41).
7. The continuous sustained-release administration analgesic drainage tube as claimed in claim 1, wherein a plurality of drainage holes (11) are provided on a tube wall of the drainage tube body (1), and a plurality of the drainage holes (11) are provided at intervals along an extending direction of the drainage tube body (1).
8. The continuous sustained-release administration analgesic drainage tube as claimed in claim 1, wherein one end of said drainage tube body (1) located in a target indwelling tissue is an open end; and/or one end of the slow release tube (2) positioned in the target indwelling tissue is a closed end.
9. The continuous sustained-release administration analgesic drainage tube as claimed in claim 1 wherein a check valve is provided in said drug injection port (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187983.6A CN112295087B (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration analgesic drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187983.6A CN112295087B (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration analgesic drainage tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112295087A CN112295087A (en) | 2021-02-02 |
| CN112295087B true CN112295087B (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011187983.6A Active CN112295087B (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration analgesic drainage tube |
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| Country | Link |
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| CN (1) | CN112295087B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989003232A1 (en) * | 1987-10-09 | 1989-04-20 | Bukh Meditec A/S | A medical device for introduction into a body cavity |
| CN203090197U (en) * | 2013-02-01 | 2013-07-31 | 海盐康源医疗器械有限公司 | Silica gel urethral catheter with automatic controlled-release doser |
| CN105031800A (en) * | 2015-08-31 | 2015-11-11 | 南京医科大学第一附属医院 | Medical painless chest drainage pipe |
| CN108136157A (en) * | 2015-07-20 | 2018-06-08 | 斯卓特凯系统有限责任公司 | Cause the conduit device and method of negative pressure in patient's bladder |
| CN208823748U (en) * | 2017-12-05 | 2019-05-07 | 江苏大学附属医院 | A kind of drainage device having analgesia function |
| CN210009404U (en) * | 2019-04-08 | 2020-02-04 | 大理大学第一附属医院 | Improvement type glaucoma aqueous humor drainage tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3636311B1 (en) * | 2015-07-20 | 2023-11-29 | Roivios Limited | Ureteral and bladder catheters for inducing negative pressure to increase renal perfusion |
-
2020
- 2020-10-29 CN CN202011187983.6A patent/CN112295087B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989003232A1 (en) * | 1987-10-09 | 1989-04-20 | Bukh Meditec A/S | A medical device for introduction into a body cavity |
| CN203090197U (en) * | 2013-02-01 | 2013-07-31 | 海盐康源医疗器械有限公司 | Silica gel urethral catheter with automatic controlled-release doser |
| CN108136157A (en) * | 2015-07-20 | 2018-06-08 | 斯卓特凯系统有限责任公司 | Cause the conduit device and method of negative pressure in patient's bladder |
| CN105031800A (en) * | 2015-08-31 | 2015-11-11 | 南京医科大学第一附属医院 | Medical painless chest drainage pipe |
| CN208823748U (en) * | 2017-12-05 | 2019-05-07 | 江苏大学附属医院 | A kind of drainage device having analgesia function |
| CN210009404U (en) * | 2019-04-08 | 2020-02-04 | 大理大学第一附属医院 | Improvement type glaucoma aqueous humor drainage tube |
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| Publication number | Publication date |
|---|---|
| CN112295087A (en) | 2021-02-02 |
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