CN213821653U - Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube - Google Patents
Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube Download PDFInfo
- Publication number
- CN213821653U CN213821653U CN202022463051.1U CN202022463051U CN213821653U CN 213821653 U CN213821653 U CN 213821653U CN 202022463051 U CN202022463051 U CN 202022463051U CN 213821653 U CN213821653 U CN 213821653U
- Authority
- CN
- China
- Prior art keywords
- tube
- slow
- drug
- release
- sheath
- 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
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a continuous slow-release drug delivery indwelling tube with a puncture outer sheath and a slow-release tube, which comprises a drug injection tube and a slow-release tube, wherein one axial end of the slow-release tube is sealed, the other axial end of the slow-release tube is communicated with an outlet of the drug injection tube, an inlet of the drug injection tube is connected with a drug storage bag, a drug injection port is arranged on the drug storage bag, external liquid medicine can enter the drug storage bag through the drug injection port, and further seeps out to the outer side of the drug storage bag through the drug injection tube and the tube wall of the slow-release tube; the puncture sheath is formed by combining a first sheath shell and a second sheath shell in a detachable mode, and is provided with a hollow cavity, and the medicine injection pipe penetrates through the hollow cavity; and/or the slow release tube passes through the hollow tube cavity. The utility model discloses a continuous slowly-releasing with puncture epitheca is dosed and is kept somewhere the pipe, avoids the puncture 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
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 puncture epitheca and slowly-releasing 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 lies in providing a continuous slowly-releasing indwelling tube of dosing with puncture epitheca, avoids the puncture repeatedly 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, improves the experience of seeking medical advice of disease.
In order to solve the problems, the utility model provides a continuous slow-release drug delivery indwelling tube with puncture sheath and slow-release tube, including injection tube, slow-release tube, the axial one end of slow-release tube is sealed, the axial other end of slow-release tube with the export through connection of injection tube, the import of injection tube is connected with the medicine storage bag, medicine injection mouth has on the medicine storage bag, outside liquid medicine can get into in the medicine storage bag via the medicine injection mouth, and then oozes to its outside via the injection tube and via the pipe wall of slow-release tube; the puncture sheath is formed by combining a first sheath shell and a second sheath shell in a detachable mode, and is provided with a hollow cavity, and the medicine injection pipe penetrates through the hollow cavity; and/or the slow release pipe passes through the hollow pipe cavity, and a check valve is arranged in the medicine injection port.
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 first sheath housing and the second sheath housing are combined into a whole through a sliding structure.
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 administration indwelling catheter with puncture sheath, through the design of medicine storage bag with the slowly-releasing tube, make medical personnel can only puncture once just can realize the purpose of multiple spot puncture among the prior art, puncture repeatedly, the liquid medicine that is in medicine storage bag, injection pipe and slowly-releasing tube can ooze to the indwelling target tissue of disease through the slow infiltration of slowly-releasing tube, and the pipe length of slowly-releasing tube can cover great administration area, need not to puncture to the patient multiple spot that the scope of dosing is wide, thereby reduced the misery in the disease medical treatment, improved the experience of seeking medical advice of disease; in addition, the puncture sheath is assembled by the first sheath shell and the second sheath shell and can be detached and separated, so that the puncture sheath can be detached and withdrawn from the target puncture tissue after puncture is completed.
Drawings
Fig. 1 is a schematic structural view of a continuous sustained release drug administration indwelling tube having a puncture sheath 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; 41. a first sheath housing; 42. a second sheath housing.
Detailed Description
Referring to fig. 1, according to an embodiment of the present invention, a continuous sustained-release drug administration indwelling tube with a puncture sheath is provided, including a drug injection tube 1 and a sustained-release tube 3, wherein one axial end of the sustained-release tube 3 is closed, the other axial end of the sustained-release tube 3 is connected to an outlet of the drug injection tube 1 in a through manner, an inlet of the drug injection tube 1 is connected to a drug storage bag 2, the drug storage bag 2 is provided with a drug injection port 21, and an external drug solution can enter the drug storage bag 2 through the drug injection port 21, and then seeps out to the outside of the drug injection tube 1 through a tube wall of the sustained-release tube 3; the puncture sheath is formed by detachably combining a first sheath shell 41 and a second sheath shell 42 into a whole, the puncture sheath is provided with a hollow cavity, and the medicine injection tube 1 passes through the hollow cavity; and/or the slow release pipe 3 passes through the hollow pipe cavity. In the technical scheme, through the design of the medicine storage bag 2 and the slow release tube 3, the aim of multi-point puncture and repeated puncture in the prior art can be fulfilled by medical workers only by puncturing once, liquid medicines in the medicine storage bag 2, the medicine injection tube 1 and the slow release tube 3 can slowly permeate and seep to indwelling target tissues of a patient through the slow release tube 3, the tube length of the slow release tube 3 can cover a larger medicine administration area, and the patient with a wide medicine administration range does not need to be punctured at multiple points and repeatedly punctured, so that the pain of the patient in the medical treatment process is reduced, and the medical experience of the patient is improved; the puncture sheath is detachably divided by the first sheath housing 41 and the second sheath housing 42, so that the puncture sheath can be easily detached from the target puncture tissue after the puncture is completed.
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 first sheath housing 41 and the second sheath housing 42 are combined into a whole through a sliding structure, for example, a sliding rail (sliding groove) is located at a position where the first sheath housing 41 and the second sheath housing 42 are in relative contact, the sliding rail is located on the first sheath housing 41, at this time, a sliding block is formed at a corresponding position of the second sheath housing 42, the sliding block is embedded in the sliding rail in a matching manner, so that the puncture sheath can be withdrawn from the target indwelling tissue after the puncture is completed, and preferably, the puncture sheath has 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 (8)
1. The continuous slow-release drug delivery indwelling tube with the puncture outer sheath and the slow-release tube is characterized by comprising a drug injection tube (1) and the slow-release tube (3), wherein one axial end of the slow-release tube (3) is closed, the other axial end of the slow-release tube (3) is communicated with an outlet of the drug injection tube (1), an inlet of the drug injection tube (1) is connected with a drug storage bag (2), a drug injection port (21) is formed in the drug storage bag (2), external drug liquid can enter the drug storage bag (2) through the drug injection port (21), and then seep to the outer side of the drug injection tube (1) through the tube wall of the slow-release tube (3); the puncture sheath is formed by detachably combining a first sheath shell (41) and a second sheath shell (42) into a whole, the puncture sheath is provided with a hollow cavity, and the medicine injection tube (1) passes through the hollow cavity; and/or the slow release pipe (3) passes through the hollow pipe cavity, and a check valve is arranged in the medicine injection port (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 1, wherein the slow release tube (3) is made of a medical hydrophilic and hydrophobic nanocomposite.
4. The indwelling tube according to claim 3, wherein the medical hydrophilic and hydrophobic nanocomposite comprises one of a fluoropolymer and a polyurethane.
5. The indwelling tube according to claim 4, wherein the drug reservoir (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.
6. The indwelling tube according to any of claims 1 to 5, wherein the first sheath housing (41) and the second sheath housing (42) are combined together by a sliding structure.
7. The indwelling tube of claim 6, wherein the penetrating sheath has an outer sheath core thereon.
8. 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463051.1U CN213821653U (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463051.1U CN213821653U (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213821653U true CN213821653U (en) | 2021-07-30 |
Family
ID=77012189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022463051.1U Active CN213821653U (en) | 2020-10-29 | 2020-10-29 | Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213821653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244957A (en) * | 2020-10-29 | 2021-01-22 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with puncture sheath |
-
2020
- 2020-10-29 CN CN202022463051.1U patent/CN213821653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244957A (en) * | 2020-10-29 | 2021-01-22 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with puncture sheath |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050119613A1 (en) | Fluid delivery trocar-cannula complex, fluid delivery accessory, and method for delivering fluids during minimally invasive surgery | |
| US20110046557A1 (en) | Microneedle drug delivery system including movable drug-containing capsule | |
| CN105963855A (en) | Microneedle drug delivery patch containing separable drug capsule | |
| CN209771078U (en) | drug delivery device | |
| CN213821653U (en) | Continuous slow-release administration indwelling tube with puncture outer sheath and slow-release tube | |
| CN111330137A (en) | Drug delivery device | |
| CN209967281U (en) | Subcutaneous implanted type drug delivery device for new drug clinical test | |
| CN101485588B (en) | Puncture needle for minimally invasive treatment | |
| US20090171290A1 (en) | Infusion device for infusing multiple medicaments at different speeds and method | |
| CN214388428U (en) | Continuous slow-release administration indwelling tube with medicine storage bag | |
| CN214512149U (en) | Continuous slow-release administration indwelling tube with slow-release tube and drug injection tube | |
| CN112169066A (en) | Continuous slow-release administration indwelling tube with controller | |
| CN214512150U (en) | Continuous slow-release administration indwelling tube with puncture outer sheath and controller | |
| CN108601517A (en) | For without using conduit by medicament through per urethram pouring into connector, method and the purposes of bladder | |
| CN112244957A (en) | Continuous slow-release administration indwelling tube with puncture sheath | |
| CN112169073A (en) | Continuous slow-release administration indwelling tube with slow-release tube | |
| CN112169072A (en) | Continuous slow-release administration indwelling tube | |
| CN214388494U (en) | Continuous slow-release administration indwelling tube with controller and drug injection tube | |
| CN214388495U (en) | Continuous slow-release administration indwelling tube with slow-release tube and controller | |
| CN215135672U (en) | Continuous slow-release drug-delivery analgesia drainage tube with multiple drainage holes in tube wall | |
| CN211611276U (en) | Anorectal exhausting and pain easing device | |
| CN112295087B (en) | Continuous slow-release administration analgesic drainage tube | |
| CN209499817U (en) | A kind of cavity compressing tamponade device | |
| CN205814863U (en) | A kind of micropin dosing paster containing separate type medicine storing bag | |
| CN114425112A (en) | Continuous slow-release administration indwelling tube with puncture sheath and controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |