CN214388428U - Continuous slow-release administration indwelling tube with medicine storage bag - Google Patents
Continuous slow-release administration indwelling tube with medicine storage bag Download PDFInfo
- Publication number
- CN214388428U CN214388428U CN202022463004.7U CN202022463004U CN214388428U CN 214388428 U CN214388428 U CN 214388428U CN 202022463004 U CN202022463004 U CN 202022463004U CN 214388428 U CN214388428 U CN 214388428U
- Authority
- CN
- China
- Prior art keywords
- tube
- release
- drug
- storage bag
- slow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003814 drug Substances 0.000 title claims abstract description 93
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 229940079593 drug Drugs 0.000 claims description 47
- 238000013268 sustained release Methods 0.000 claims description 17
- 239000012730 sustained-release form Substances 0.000 claims description 17
- 238000012377 drug delivery Methods 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 4
- 201000010099 disease Diseases 0.000 abstract description 10
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 239000004677 Nylon Substances 0.000 description 5
- 238000001647 drug administration Methods 0.000 description 5
- 229920000126 latex Polymers 0.000 description 5
- 239000004816 latex Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000002114 nanocomposite Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000012567 medical material Substances 0.000 description 2
- 230000036407 pain Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 208000025978 Athletic injury Diseases 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010041738 Sports injury Diseases 0.000 description 1
- 230000036592 analgesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a pipe is kept somewhere in continuous slowly-releasing of dosing with medicine storage bag, including slowly-releasing body, injection pipe, the medicine storage bag that has the cavity lumen, slowly-releasing body has first pipe wall and is in the second pipe wall in the first pipe wall outside, wherein the second pipe wall is the slow-release film, first pipe wall with form the slowly-releasing chamber between the second pipe wall, the slowly-releasing chamber passes through injection pipe with medicine storage bag intercommunication, medicine storage bag is last to have the injection mouth, and outside liquid medicine can via the injection mouth gets into in the medicine storage bag, and then via the injection pipe gets into slowly-releasing chamber and via the second pipe wall oozes to its outside. The utility model discloses a pipe is kept somewhere in continuous slowly-releasing dosing avoids puncturing repeatedly to the patient that need to dose many times, need not to reduce the misery of disease medical treatment in-process to the wide patient multiple spot puncture of the scope of dosing, improves the experience of seeking medical advice of disease.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to continuous slowly-releasing indwelling tube of dosing with medicine storage bag.
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 is dosed and is kept somewhere pipe, avoids the puncture repeatedly to the patient that need to dose many times, need not to reduce the misery of disease medical procedure to the wide patient multiple spot puncture of the scope of dosing, improves the experience of seeking medical advice of disease.
In order to solve the above problems, the utility model provides a continuous slow-release drug administration indwelling tube with a drug storage bag, which is characterized in that the indwelling tube comprises a slow-release tube body (1) with a hollow tube cavity, a drug injection tube (2) and a drug storage bag (3), wherein the slow-release tube body (1) is provided with a first tube wall (11) and a second tube wall (12) arranged outside the first tube wall (11), the second tube wall (12) is a slow-release film, a slow-release cavity (13) is formed between the first tube wall (11) and the second tube wall (12), the slow-release cavity (13) is communicated with the drug storage bag (3) through the drug injection tube (2), 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 then enter the slow-release cavity (13) through the drug injection tube (2) and seep out to the outside through the second tube wall (12), a check valve is arranged in the medicine injection port (31).
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 slow release cavity by utilizing the elastic retraction of the medicine storage bag.
Preferably, the slow release membrane 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 continuous slow-release drug administration indwelling tube further comprises a puncture inner core, and the puncture inner core can penetrate through the hollow lumen.
Preferably, the first end of the plunger has a syringe interface.
Preferably, the drug injection tube is communicated with the drug storage bag through a connecting tube, and the connecting tube is a flexible tube.
Preferably, the drug injection tube and the slow release tube body are connected into a whole.
The utility model provides a pair of keep somewhere pipe in succession slowly-releasing is dosed, through store up the anther sac with the design in slowly-releasing chamber makes medical personnel can only puncture once just can realize the purpose of the multiple spot puncture among the prior art, puncture repeatedly, and the liquid medicine that is in store up anther sac, injection pipe and slowly-releasing intracavity can pass through the slow infiltration of second pipe wall is oozed to the target tissue of keeping somewhere of disease, just the tube length in slowly-releasing chamber can cover great administration region, need not to puncture, puncture repeatedly to the wide patient multiple spot of scope of dosing to reduce the misery in disease medical treatment, improved the experience of seeking medical advice of disease.
Drawings
Fig. 1 is a schematic structural view of a continuous sustained release drug administration indwelling tube according to an embodiment of the present invention.
The reference numerals are represented as:
1. a slow release tube body; 11. a first tube wall; 12. a second tube wall; 13. a sustained release chamber; 2. a medicine injection tube; 21. a connecting pipe; 3. a medicine storage bag; 31. a medicine injection port; 4. puncturing the inner core; 41. an injector interface.
Detailed Description
Referring to fig. 1, according to the embodiment of the present invention, a continuous slow-release drug administration indwelling tube is provided, including a slow-release tube body 1 having a hollow tube cavity, a drug injection tube 2, and a drug storage bag 3, wherein the slow-release tube body 1 has a first tube wall 11 and a second tube wall 12 outside the first tube wall 11, the second tube wall 12 is a slow-release film, a slow-release cavity 13 is formed between the first tube wall 11 and the second tube wall 12, the slow-release cavity 13 is communicated with the drug storage bag 3 through the drug injection tube 2, the drug storage bag 3 is provided with a drug injection port 31, and external drug solution can enter the drug storage bag 3 through the drug injection port 31, and then enter the slow-release cavity 13 through the drug injection tube 2 and seep out to the outside through the second tube wall 12. In this technical scheme, through store up medicine bag 3 with the design of slowly-releasing chamber 13 makes medical personnel can only puncture once just can realize the purpose of multiple spot puncture among the prior art, puncture repeatedly, is in the liquid medicine that stores up medicine bag 3, injection pipe 2 and slowly-releasing chamber 13 can pass through the slow infiltration of second pipe wall 12 oozes to the target tissue of keeping somewhere of disease, just the pipe length of slowly-releasing chamber 13 can cover great administration area, need not to puncture, puncture repeatedly to the wide patient multiple spot of scope of dosing to reduce the misery of disease medical procedure, improved the experience of seeking medical advice of disease. It can be understood that the first tube wall 11 is made of an impermeable film, so as to prevent the liquid medicine from permeating into the hollow cavity of the sustained release tube body 1.
Preferably, the medicine storage bag 3 is made of an elastic material, so that the medicine liquid in the medicine storage bag 3 is forced into the slow release cavity 13 by the elastic retraction of the medicine storage bag 3, and the medicine liquid in the medicine injection tube 2 is forced into the slow release cavity 13 by the elastic retraction of the medicine storage bag 3, and it can be understood that the elastic material is a medical material, and the elastic material is matched with the seepage rate of the slow release cavity 13 in terms of the selection of the elastic force, so that the medicine liquid is prevented from seeping out too fast or too slow in the administration process. The slow release membrane 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 3 and the slow release cavity 13 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.
Preferably, a check valve is provided in the injection port 31 to prevent backflow of the medical fluid.
Furthermore, the continuous slow-release administration indwelling tube also comprises a puncture inner core 4, wherein the puncture inner core 4 can penetrate through the hollow tube cavity, namely the puncture inner core 4 can be pulled out of the hollow tube cavity or inserted into the hollow tube cavity, so that the percutaneous puncture process of the indwelling tube is facilitated. Preferably, the drug injection tube 2 and the sustained-release tube body 1 are connected into a whole to prevent the drug solution from leaking at the joint. The interface between the drug injection tube 2 and the sustained-release tube body 1 should be positioned in the target indwelling tissue when the indwelling tube is applied to prevent the drug solution from being externally infiltrated to the outside of the skin of the human body when sustained-release drug delivery is performed.
The puncture inner core 4 is made of hard medical material, and a syringe interface 41 is further arranged at the first end (namely, the end positioned outside the human body) of the puncture inner core so as to be connected with a syringe to directly inject liquid medicine through the puncture inner core.
Preferably, the drug injection tube 2 is communicated with the drug storage bag 3 through a connecting tube 21, the connecting tube 21 is a flexible tube, and the connecting tube 21 has flexibility, which facilitates the selection of the drug administration angle of the medical staff when the drug is administered into the drug storage bag 3.
As a more preferable embodiment, the periphery of the sustained release tube body 1 can be optionally sleeved with a sustained release positioning film sleeve (not shown in the figure), the sustained release positioning film sleeve is provided with a through hole, the sustained release positioning film sleeve outside the through hole can prevent the liquid medicine in the sustained release tube body 1 from seeping out, and the through hole can allow the liquid medicine in the sustained release tube body 1 to seep out, so that the liquid medicine seeping out in the sustained release tube body 1 can be positioned, and the sustained release tube body is suitable for the situation that the sustained drug delivery 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 (6)
1. The continuous slow-release administration indwelling tube with the drug storage bag is characterized by comprising a slow-release tube body (1) with a hollow tube cavity, a drug injection tube (2) and the drug storage bag (3), wherein the slow-release tube body (1) is provided with a first tube wall (11) and a second tube wall (12) positioned on the outer side of the first tube wall (11), the second tube wall (12) is a slow-release film, a slow-release cavity (13) is formed between the first tube wall (11) and the second tube wall (12), the slow-release cavity (13) is communicated with the drug storage bag (3) through the drug injection tube (2), a drug injection port (31) is formed in the drug storage bag (3), external liquid medicine can enter the slow-release cavity (13) through the drug injection port (31) and further seeps out to the outer side of the drug storage bag through the second tube wall (12), a check valve is arranged in the medicine injection port (31).
2. The indwelling tube for continuous sustained-release drug delivery according to claim 1, wherein the drug reservoir (3) is made of an elastic material to force the drug solution therein into the sustained-release lumen (13) by elastic recoil of the drug reservoir (3) itself.
3. The continuous slow release drug delivery indwelling tube according to any one of claims 1 to 2, further comprising a puncture inner core (4), the puncture inner core (4) being capable of passing through the hollow lumen.
4. The indwelling catheter for continuous slow release drug delivery according to claim 3, wherein the first end of the piercing core (4) has a syringe port (41).
5. The indwelling tube for continuous sustained release drug delivery according to claim 1, wherein the drug injection tube (2) is in communication with the drug reservoir (3) through a connecting tube (21), the connecting tube (21) being a flexible tube.
6. The continuous slow release drug delivery indwelling tube according to claim 5, wherein the drug injection tube (2) is integrally connected with the slow release tube body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463004.7U CN214388428U (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration indwelling tube with medicine storage bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463004.7U CN214388428U (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration indwelling tube with medicine storage bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214388428U true CN214388428U (en) | 2021-10-15 |
Family
ID=78033237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022463004.7U Active CN214388428U (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration indwelling tube with medicine storage bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214388428U (en) |
-
2020
- 2020-10-29 CN CN202022463004.7U patent/CN214388428U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11833325B2 (en) | Sprinkler cannula | |
| AU764894B2 (en) | Implantable device for access to a treatment site | |
| US20050119613A1 (en) | Fluid delivery trocar-cannula complex, fluid delivery accessory, and method for delivering fluids during minimally invasive surgery | |
| US20070073248A1 (en) | Trocar-cannula complex, cannula and method for delivering biologically active agents during minimally invasive surgery | |
| CN105963855A (en) | Microneedle drug delivery patch containing separable drug capsule | |
| GB2459101A (en) | Subcutaneous port and catheter | |
| CN209771078U (en) | drug delivery device | |
| CN111330137A (en) | Drug delivery device | |
| CN108042899A (en) | A kind of dual valve implantable drug delivery system | |
| CN213821653U (en) | Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube | |
| CN214388428U (en) | Continuous slow-release administration indwelling tube with medicine storage bag | |
| US20090171290A1 (en) | Infusion device for infusing multiple medicaments at different speeds and method | |
| CN112169066B (en) | Continuous slow-release drug administration indwelling tube with controller | |
| CN214512149U (en) | Continuous slow-release administration indwelling tube with slow-release tube and drug injection tube | |
| CN214388494U (en) | Continuous slow-release administration indwelling tube with controller and drug injection tube | |
| CN112169072A (en) | Continuous slow-release administration indwelling tube | |
| CN214388495U (en) | Continuous slow-release administration indwelling tube with slow-release tube and controller | |
| CN214512150U (en) | Continuous slow-release administration indwelling tube with puncture outer sheath and controller | |
| CN112169073A (en) | Continuous slow-release administration indwelling tube with slow-release tube | |
| CN112244957A (en) | Continuous slow-release administration indwelling tube with puncture sheath | |
| CN215135672U (en) | Continuous slow-release drug-delivery analgesia drainage tube with multiple drainage holes in tube wall | |
| JP2014076162A (en) | Bladder indwelling catheter | |
| CN112295087B (en) | Continuous slow-release administration analgesic drainage tube | |
| CN205814863U (en) | A kind of micropin dosing paster containing separate type medicine storing bag | |
| CN201200664Y (en) | Novel two-chamber medicament sustained-release infusion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |