CN116585591A - Safe anti-blocking drainage tube for neurosurgery - Google Patents
Safe anti-blocking drainage tube for neurosurgery Download PDFInfo
- Publication number
- CN116585591A CN116585591A CN202310410905.5A CN202310410905A CN116585591A CN 116585591 A CN116585591 A CN 116585591A CN 202310410905 A CN202310410905 A CN 202310410905A CN 116585591 A CN116585591 A CN 116585591A
- Authority
- CN
- China
- Prior art keywords
- flexible
- drainage tube
- support body
- flexible support
- tube body
- 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.)
- Pending
Links
- 238000007790 scraping Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 235000004035 Cryptotaenia japonica Nutrition 0.000 claims 1
- 102000007641 Trefoil Factors Human genes 0.000 claims 1
- 235000015724 Trifolium pratense Nutrition 0.000 claims 1
- 230000008093 supporting effect Effects 0.000 abstract description 11
- 208000007536 Thrombosis Diseases 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 210000000278 spinal cord Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 210000001032 spinal nerve Anatomy 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002684 laminectomy Methods 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
- 230000007383 nerve stimulation Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a safe anti-blocking drainage tube for neurosurgery, spinal cord or spinal endoscope operation, which comprises: the flexible drainage tube comprises a flexible drainage tube body and a removable flexible support body arranged in the flexible drainage tube body; a plurality of through holes are formed in the circumferential side wall of the extending end of the flexible drainage tube body; the flexible support body is in a three-leaf, cross or strip support structure, and the front end of the flexible support body is connected with a disc with a through hole for scraping; the flexible support body is parallel and level in the flexible drainage tube body, the outlet end is tightly inserted and connected with the flexible drainage tube body, and the rear part is connected with the external liquid outlet interface. The scraping mechanism drags and clears the blood clots and the like of the blockage at the gap between the flexible drainage tube body and the flexible support body by moving or pulling out the flexible support body; the flexible supporting body can play a supporting role at the same time, so that the flexible drainage tube body is prevented from being blocked due to bending in the conveying process.
Description
Technical Field
The invention relates to the fields of spinal cord open surgery, spinal endoscope technology and neurosurgery, in particular to a safe anti-blocking drainage tube for neurosurgery.
Background
Since spinal nerves are exposed after laminectomy in an open spinal cord operation, surgical placement drainage tubes are often in direct contact with the spinal cord; the spinal endoscope drainage tube directly reaches a focus through a working sheath, the focus part is spinal nerve tissue, the hardness of the common drainage tube is not particularly considered, and the placement direction of the drainage tube is perpendicular to spinal nerves, so that when the drainage tube generates longitudinal movement and pressurization due to the change of the patient body position, the risk of nerve stimulation and even damage to a patient exists.
In order to ensure the safety of spinal cord nerve surgery and avoid nerve injury caused by drainage tubes, one feasible design is to design a drainage tube by adopting soft materials, but in clinical use, because the hardness of the drainage tube is lower, the drainage tube is easy to bend because of being too soft, so that the drainage tube is blocked, and the use is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a safe anti-blocking drainage tube for neurosurgery, which comprises:
the flexible drainage tube comprises a flexible drainage tube body and a flexible support body arranged in the flexible drainage tube body, wherein the flexible support body can support the flexible drainage tube body;
the flexible drainage tube body comprises an extending section and a drainage section, a plurality of through holes are formed in the circumferential side wall of the extending section, the drainage section is connected with a liquid outlet port, and drainage is conducted through the front end of the extending section and the through holes;
the front end of the flexible support body is provided with a scraping mechanism protruding outwards, and the flexible support body is moved to enable the scraping mechanism to drag and clear the obstruction at the gap between the flexible drainage tube body and the flexible support body.
As a further description of the above technical solution: the external diameter of the scraping mechanism is in small clearance fit with the internal diameter of the flexible drainage tube body.
As a further description of the above technical solution: the hardness range of the flexible drainage tube body is 25A-40A.
As a further description of the above technical solution: the hardness of the flexible support body is smaller than that of the flexible drainage tube body, and the hardness range of the flexible support body is 25A-30A.
As a further description of the above technical solution: the inner diameter of the flexible drainage tube body is 4mm-6mm, and the size of the flexible support body is 3mm-4mm.
As a further description of the above technical solution: the flexible drainage tube body and the flexible support body are made of silica gel.
As a further description of the above technical solution: the flexible support body also comprises a support structure connected with the scraping mechanism, wherein the support structure is of continuous or discontinuous design and is in a cross shape or a three-leaf-shaped shape.
As a further description of the above technical solution: the support structure is provided with at least one reinforcing rib, the distribution interval of the support structure is the same as the length of the flexible support body, and the support structure is integrally connected with the flexible support body.
As a further description of the above technical solution: the front end of the flexible drainage tube body is cylindrical or funnel-shaped.
As a further description of the above technical solution: the rear of the flexible support body is provided with a stretching section which stretches the flexible support body out of the flexible drainage tube body.
The technical scheme has the following advantages or beneficial effects:
1. simple structure, the flexible support body is pulled to the accessible, makes the scraping mechanism of its front end remove between flexible drainage tube body and flexible support body, pulls out pus or blood clot that will block up in the body, and the flexible support body can play the supporting role simultaneously, prevents the jam that flexible drainage tube body leads to of bending in the transportation.
2. The hardness of the flexible support body is smaller than that of the flexible drainage tube body, and the flexible support body is supported through the support structure.
Drawings
FIG. 1 is a schematic view of a drainage tube according to the present invention;
FIG. 2 is a cross-sectional view of a flexible drain body of the present invention;
FIG. 3 is a cross-sectional view of a flexible support body of the present invention;
FIG. 4 is a perspective view of a flexible support according to the present invention;
FIG. 5 is a side view of one embodiment of a support structure of the present invention;
FIG. 6 is a second side view of an embodiment of a support structure according to the present invention;
FIG. 7 is a cross-sectional view of an embodiment of a flexible support of the present invention;
FIG. 8 is a perspective view of another embodiment of a drainage tube of the present invention;
FIG. 9 is a schematic view of another embodiment of a flexible support body according to the present invention;
FIG. 10 is a cross-sectional view of another embodiment of the flexible drainage tube of the present invention.
Legend description:
1. a flexible drainage tube body; 11. a stretch-in section; 12. a drainage section; 13. a through hole; 2. a flexible support; 21. a scraping mechanism; 22. a support structure; 23. a stretching section; 3. and a liquid outlet interface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, one embodiment provided by the present invention is: a neurosurgical safety anti-blocking drainage tube, comprising:
the flexible drainage tube comprises a flexible drainage tube body 1 and a flexible support body 2 arranged in the flexible drainage tube body 1, wherein the flexible support body 2 can support the flexible drainage tube body 1; the hardness of the flexible drainage tube body 1 is not more than 40A.
The flexible drainage tube body 1 comprises an extending section 11 and a drainage section 12, a plurality of through holes 13 are formed in the circumferential side wall of the extending section 11, the drainage section 12 is connected with the liquid outlet port 3, and drainage is performed through the front end of the extending section 11 and the through holes 13;
the front end of the flexible support body 2 is provided with a scraping mechanism 21 protruding outwards, and the scraping mechanism 21 drags and clears the blockage at the gap between the flexible drainage tube body 1 and the flexible support body 2 by moving the flexible support body 2.
In the embodiment, the flexible drainage tube body 1 is matched with the flexible support body 2, a gap exists between the flexible drainage tube body 1 and the flexible support body 2, drainage is carried out through the gap and the flexible support body 2, when a blockage exists in a tube, the flexible support body 2 can be pulled out, and the scraping mechanism 21 at the front end of the flexible support body 2 can drag out the blocked sundries, so that the inside of the flexible drainage tube body 1 is kept smooth; the front end of the flexible drainage tube body 1 is provided with an extending section 11, the extending section 11 is conveyed to a lesion area for drainage through a spinal endoscope or a conveying sheath, a plurality of through holes 13, preferably 6, are formed in the side wall of the extending section 11, the annular holes are uniformly formed in the side wall of the extending section 11, when the drainage tube is blocked by blood clots and the like, the difference between the internal pressure and the external pressure of the tube is prevented, the deformation of the tube is caused, and the plane of the scraping mechanism 21 can be provided with the through holes for drainage.
The outer diameter of the scraping mechanism 21 is in small clearance fit with the inner diameter of the flexible drainage tube body 1; a stretching section 23 is arranged at the rear of the flexible support body 2 to stretch the flexible support body 2 out of the flexible drainage tube body 1.
In this embodiment, the thickness of the scraping mechanism 21 is smaller than 1mm, a certain gap exists between the scraping mechanism and the flexible drainage tube body 1 and the front end of the flexible support body 2, the stretching section 23 behind the flexible support body 2 is pulled, the flexible support body 2 can be pulled out from the inner diameter of the flexible drainage tube body 1, and the scraping mechanism 21 can pull out blood or pus blocked in the flexible support body 2 and the flexible drainage tube body 1, so that the inner diameter of the flexible drainage tube body 1 is kept smooth.
The hardness range of the flexible drainage tube body 1 is 25A-40A; the hardness of the flexible support body 2 is smaller than that of the flexible drainage tube body 1, and the hardness of the flexible support body 2 ranges from 25A to 30A.
In this embodiment, the hardness of the flexible drainage tube body 1 is preferably 30A, the hardness of the flexible support body 2 is preferably 28A, and the insertion section 11 of the flexible drainage tube body 1 is delivered to the target lesion by cooperation of the flexible drainage tube body 1 and the flexible support body 2.
The inner diameter of the flexible drainage tube body 1 is 4mm-6mm; the flexible support 2 has a size of 3mm-4mm.
In this embodiment, the flexible drainage tube body 1 needs to be transported by a transport sheath, the tube wall thickness of the flexible drainage tube body 1 and the flexible support body 2 is 0.5mm, the inner diameter of the flexible drainage tube body 1 is preferably 5mm, and the outer diameter of the flexible support body 2 is preferably 3.5mm.
The flexible drainage tube body 1 and the flexible support body 2 are made of silica gel. Has better bending performance and is not easy to damage nerves in the extending or drainage process.
The flexible support body 2 further comprises a support structure 22 connected with the scraping mechanism 21, wherein the support structure 22 is of continuous or discontinuous design and is in a cross shape or a three-leaf wheel shape.
The support structure 22 is provided with at least one reinforcing rib, the distribution interval of the support structure 22 is the same as the length of the flexible support body 2, and the support structure 22 is integrally connected with the flexible support body 2.
In this embodiment, the support structure 22 may be a cross-shaped reinforcing rib, and may support the inside of the flexible support body 2, where the support structure 22 is designed continuously or discontinuously, and extends inside the flexible support body 2 to support the flexible support body 2.
In another embodiment, the support structure 22 may be a three-bladed impeller type.
Specifically, the front end of the flexible drainage tube body 1 is cylindrical or funnel-shaped. The flexible drainage tube body 1 can be conveniently extended into the part to be drained.
A stretching section 23 is arranged at the rear of the flexible support body 2 to stretch the flexible support body 2 out of the flexible drainage tube body 1.
In this embodiment, drainage is performed through the flexible drainage tube body 1 and the flexible support body 2, when bending occurs, the support structure 22 in the flexible support body 2 can play a supporting role on the inner diameter, in the drainage process, the flexible support body 2 is pulled out from the lumen of the flexible drainage tube body 1 through the stretching section 23 due to blocking caused by pus or blood clot, and the blood clot at the gap between the flexible drainage tube body 1 and the flexible support body 2 is pulled out through the scraping mechanism 21 at the front end, so that the flexible drainage tube body 1 can continue drainage. The stretching section 23 can be arranged to be inserted into the drainage tube 1 directly, and the rear part is connected with the drainage bag
Example 2
In this embodiment, the supporting structure 22 is spiral, one side is connected to the scraping mechanism 21, the other side extends to the liquid outlet port 3, and when the flexible supporting body 2 is stretched into the flexible drainage tube body 1 for internal matching, a better supporting effect can be achieved when drainage is performed through the liquid outlet port 3.
Example 3
Referring to fig. 8-9, in this embodiment, the flexible drainage tube body 1 is a flat flow path, a raised limit supporting block is disposed at the inner wall of the flexible drainage tube body 1, the scraping mechanism 21 is in small clearance fit with the flexible drainage tube body 1 and can move along the setting direction of the raised supporting block, the number of supporting structures 22 in the flexible support body 2 is at least two, and for preventing bending and blocking, the inner wall of the circular drainage tube body needs to be uniformly provided with supporting structures, so that the internal conveying space of the circular drainage tube body is reduced.
Example 4
In this embodiment, a communicating pipeline may be provided in the middle of the flexible support body 2, the rear part may be connected with an injector, a U-shaped through hole is provided on the side surface of the scraping mechanism 21, the through hole is communicated with the middle pipeline, the liquid is injected through the rear injector, the liquid flows back from the provided through hole, the liquid is discharged together with the blood and the like drained from the flexible drainage tube body 1 outside, the injected liquid can flush the blood clot and the like blocked inside the flexible drainage tube body 1 through water flow, and the smoothness of the drainage tube is maintained.
Example 5
Referring to fig. 10, in the present embodiment, the flexible drainage tube body 1 is provided with a protrusion extending in the radial direction, the cross section is gear-shaped, the hardness is 40A, the flexible support body 2 may not be provided, and in the non-nerve operation, the drainage tube body designed in the present embodiment may be used.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A safe anti-blocking drainage tube for neurosurgery, comprising:
the flexible drainage tube comprises a flexible drainage tube body (1) and a flexible support body (2) arranged in the flexible drainage tube body (1), wherein the flexible support body (2) can support the flexible drainage tube body (1);
the flexible drainage tube body (1) comprises an extending section (11) and a drainage section (12), a plurality of through holes (13) are formed in the circumferential side wall of the extending section (11), the drainage section (12) is connected with the liquid outlet interface (3), and drainage is conducted through the front end of the extending section (11) and the through holes (13);
the front end of the flexible support body (2) is provided with a scraping mechanism (21) protruding outwards, and the flexible support body (2) is moved to enable the scraping mechanism (21) to drag and remove the plug at the gap between the flexible drainage tube body (1) and the flexible support body (2).
2. A neurosurgical safety anti-blocking drainage tube according to claim 1, wherein the outer diameter of the scraping mechanism (21) is in a small clearance fit with the inner diameter of the flexible drainage tube body (1).
3. A neurosurgical safety anti-blocking drain according to claim 1, wherein the flexible drain body (1) has a hardness in the range 25A-40A.
4. A neurosurgical safety anti-blocking drainage tube according to claim 1, wherein the hardness of the flexible support body (2) is less than the hardness of the flexible drainage tube body (1), the hardness of the flexible support body (2) being in the range 25A-30A.
5. A neurosurgical safety anti-blocking drainage tube according to claim 1, wherein the inner diameter of the flexible drainage tube body (1) is 4mm-6mm, and the size of the flexible support body (2) is 3mm-4mm.
6. The safe anti-blocking drainage tube for neurosurgery according to claim 1, wherein the flexible drainage tube body (1) and the flexible support body (2) are made of silica gel.
7. A neurosurgical safety anti-blocking drainage tube according to claim 1, wherein the flexible support body (2) further comprises a support structure (22) connected to the scraping mechanism (21), the support structure (22) being of continuous or discontinuous design, in the shape of a cross or a trefoil.
8. The neurosurgical safety anti-blocking drainage tube according to claim 1, wherein the support structure (22) is provided with at least one reinforcing rib, the distribution interval of the support structure (22) is the same as the length of the flexible support body (2), and the support structure (22) is integrally connected with the flexible support body (2).
9. The safe anti-blocking drainage tube for neurosurgery according to claim 1, wherein the front end of the flexible drainage tube body (1) is cylindrical or funnel-shaped.
10. The neurosurgical safety anti-blocking drainage tube according to claim 1, wherein a stretching section (23) is provided behind the flexible support body (2) to stretch the flexible support body (2) out of the interior of the flexible drainage tube body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310410905.5A CN116585591A (en) | 2023-04-17 | 2023-04-17 | Safe anti-blocking drainage tube for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310410905.5A CN116585591A (en) | 2023-04-17 | 2023-04-17 | Safe anti-blocking drainage tube for neurosurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116585591A true CN116585591A (en) | 2023-08-15 |
Family
ID=87598097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310410905.5A Pending CN116585591A (en) | 2023-04-17 | 2023-04-17 | Safe anti-blocking drainage tube for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116585591A (en) |
-
2023
- 2023-04-17 CN CN202310410905.5A patent/CN116585591A/en active Pending
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