CN114146293B - Multifunctional microcatheter for coronary artery medicine injection - Google Patents
Multifunctional microcatheter for coronary artery medicine injection Download PDFInfo
- Publication number
- CN114146293B CN114146293B CN202011551235.1A CN202011551235A CN114146293B CN 114146293 B CN114146293 B CN 114146293B CN 202011551235 A CN202011551235 A CN 202011551235A CN 114146293 B CN114146293 B CN 114146293B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- microcatheter
- wax anti
- multifunctional
- slip film
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 239000003814 drug Substances 0.000 title claims abstract description 21
- 210000004351 coronary vessel Anatomy 0.000 title abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 229940079593 drug Drugs 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 229920003051 synthetic elastomer Polymers 0.000 claims description 2
- 239000005061 synthetic rubber Substances 0.000 claims description 2
- 239000007888 film coating Substances 0.000 abstract 3
- 238000009501 film coating Methods 0.000 abstract 3
- 210000004379 membrane Anatomy 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- 210000002489 tectorial membrane Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000592342 Tracheophyta Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002777 columnar cell Anatomy 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- 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
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M2025/0042—Microcatheters, cannula or the like having outside diameters around 1 mm or less
Abstract
The invention discloses a multifunctional microcatheter for coronary artery drug injection, which comprises a sleeve, wherein an inner cavity is formed in the sleeve, an inner film coating wax anti-slip film is formed in the inner cavity, a sleeve opening is formed in one side of the inner film coating wax anti-slip film, and an outer film coating wax anti-slip film is connected in a matched mode in the sleeve opening. According to the invention, through the designed sleeve, the inner cavity and the inner coating wax anti-slip film, the sleeve and the first catheter are connected in a combined way through the outer coating wax anti-slip film and the inner coating wax anti-slip film, the first catheter can correspondingly stretch and retract in the inner cavity by controlling the rotation direction of the sleeve, and the first catheter and the sleeve are connected in a threaded connection mode to serve as a connecting medium, so that the basic stability of the first catheter and the sleeve after adjustment is ensured, and the first catheter can stretch and retract in the inner cavity to serve as a basis, so that the multifunctional microcatheter for coronary drug injection has the function of quickly adjusting the length of the whole body of the multifunctional microcatheter, and the integral use performance of the multifunctional microcatheter is provided.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a multifunctional microcatheter for coronary artery drug injection.
Background
The coronary artery is an inverted cone with a slightly flat front and back, and is just like a crown when seen as a head, and is located at the top of the head and almost surrounds the heart for one circle.
Medical catheters are generally divided into contrast use and injection microparticle use, are mainly made of polyethylene materials, are produced in the United states, france, japan, denmark and China, and are cell biology nouns, namely a long-distance transport system for water and inorganic salt, wherein the xylem of a vascular plant consists of columnar cells, secondary wall thickness is unevenly thickened, end wall perforation or complete dissolution is carried out, thus forming a longitudinal continuous channel, and simultaneously, the medical catheters and petroleum drilling catheters can be also referred to.
The microcatheter can reduce the secondary injury degree of a patient during the drug treatment to a higher degree, and can also improve the recovery speed of the patient after the treatment, such as a microcatheter disclosed in China patent (CN 111467649A), the technical problem solved by the patent is that the existing microcatheter can rarely ensure the conditions of small size, good pushing property and flexibility, and simultaneously has good bending resistance, especially the head of the microcatheter is the most easily-occurring stress concentration and bending position, because the tip and the tube body part of the microcatheter have larger difference in flexibility, bending phenomenon is easy to occur in the place with large difference in flexibility, the technical problem is solved under the mutual cooperation of structures such as an inner layer, a spring layer, a tip part and a catheter seat, and the like, but the patent still has some defects that the whole length of the microcatheter cannot be quickly adjusted according to the use requirement when the coronary drug injection treatment is carried out, so that the whole use effect of the microcatheter is reduced, and the coronary artery drug injection treatment is not carried out, and the stability of the coronary artery injection drug is not carried out by the medical care person, and the medical care personnel cannot be reduced when the coronary artery injection is carried out, and the medical care device is not carried out.
Disclosure of Invention
The present invention is directed to a multifunctional microcatheter for coronary drug injection to solve the above-mentioned problems.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a multi-functional microcatheter for coronary artery medicine injection, includes the sleeve pipe, the inner chamber has been seted up to sheathed tube inside, the inner membranous wax anti-skidding membrane has been seted up to the inside of inner chamber, the sleeve pipe mouth has been seted up to one side of inner membranous wax anti-skidding membrane, the inside cooperation of sleeve pipe mouth is connected with outer membranous wax anti-skidding membrane, the surface at first pipe is seted up to outer membranous wax anti-skidding membrane, sheathed tube fixed surface is connected with first handle, one side fixedly connected with third handle that first handle was kept away from to the sleeve pipe.
Preferably, a chute is formed in the surface of the first conduit, and an upright post is connected to the chute in a sliding manner.
Preferably, the end part of the upright post is fixedly connected to the surface of the second conduit, the second conduit is movably connected to the inside of the first conduit opening, the first conduit opening is formed in one side of the first conduit, and the second conduit opening is formed in one side of the second conduit.
Preferably, a guide wire port is formed in the surface of the sleeve, and the first guide tube and the second guide tube are connected with the same guide wire in a sliding manner.
Preferably, one side of the sleeve is fixedly connected with a transverse block, a threaded hole is formed in the surface of the transverse block, and a bolt is connected to the interior of the threaded hole in a matched mode.
Preferably, the top of the bolt is fixedly connected with a second handle.
Preferably, a rubber pad is fixedly connected to the bottom of the bolt, and the rubber pad is made of synthetic rubber.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the designed sleeve, the sleeve mouth, the outer coating wax anti-slip film, the inner cavity and the inner coating wax anti-slip film, the sleeve and the first catheter are connected in a combined way through the outer coating wax anti-slip film and the inner coating wax anti-slip film, so that the connectivity between the sleeve and the first catheter is increased, when the sleeve is driven to rotate by stirring the first handle or the second handle, the inner cavity can be used as a telescopic space of the first catheter under the combined effect of torsion and thread biting force, the first catheter can correspondingly telescopic in the inner cavity by controlling the rotation direction of the sleeve, and the basic stability after adjustment between the first catheter and the sleeve is ensured by taking the threaded connection relationship as a connecting medium, and the first catheter can telescopic in the inner cavity as a basis, so that the multifunctional microcatheter for coronary drug injection has the function of rapidly adjusting the length of the whole body, thereby providing the whole use performance of the multifunctional microcatheter.
2. According to the invention, through the designed first handle, when the position relation between the first catheter and the first catheter is required to be adjusted by rotating the sleeve, namely the length of the first catheter and the length of the sleeve after adjustment, the torsion is acted on the sleeve through the first handle, and the lever principle is utilized, so that medical staff can be more portable when controlling the sleeve to rotate, and the convenience and practicability of the multifunctional microcatheter for coronary medicine injection are improved.
3. According to the invention, when the working radiation ranges of the first catheter and the second catheter are required to be regulated, the upright post is shifted to perform corresponding sliding action in the sliding groove according to the use requirement, so that the second catheter can be driven to perform stable sliding action in the first catheter, and the sliding direction is the same as the sliding direction of the upright post in the sliding groove, so that the multifunctional microcatheter for coronary medicine injection has the function of regulating the length in multiple frequency bands, and the corresponding regulating action is performed according to the coronary medicine injection requirement, thereby reducing the difficulty of coronary medicine injection to a certain extent.
4. According to the invention, through the designed guide wire port, the guide wire, the first guide pipe and the second guide pipe, the guide wire can enter the inner side of the pipe sleeve through the guide wire port and can be continuously pushed, and the guide wire can be slowly fed into the first guide pipe and the second guide pipe.
5. Through horizontal piece, screw hole, bolt, second handle and the rubber pad of design, accomplish the regulation work between sleeve pipe and the first pipe between them according to the use needs, drive the bolt through stirring the second handle and carry out rotary motion at the screw hole, under the combined action effect of torsion and screw thread snap-in force, therefore alright make the bolt drive the rubber piece and remove to the direction that is close to first pipe under the effect of screw hole, and exert pressure in first pipe, guaranteed the stability between first pipe and the sleeve pipe, make coronary artery medicine injection with multi-functional microcatheter have self fixity, and with external linkage measure, thereby improved the functionality.
6. Through outer tectorial membrane wax anti-skidding membrane and interior tectorial membrane wax anti-skidding membrane of design to the mode of spraying is wrapped up tectorial membrane wax respectively on the outline face of first pipe and on the inside wall of cover mouth of pipe, and after the tectorial membrane wax drying solidification, can form the transparent bright membrane that one deck hardness is high on the outline face of first pipe and the inside wall of cover mouth of pipe, not only wear-resisting but also can protect first pipe and cover mouth from the fish tail, scratch, repair slight scratch, increase of service life still has anti-skidding and hinder the astringent characteristic for improve the stability of first pipe.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a chute according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sleeve structure according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A according to an embodiment of the present invention;
fig. 5 is a schematic view of the structure of the combination of the sleeve and the first catheter according to the embodiment of the present invention.
In the figure: 1. a sleeve; 2. a first handle; 3. an inner cavity; 4. an inner coating wax anti-slip film; 5. an outer coating wax anti-slip film; 6. a first conduit; 7. a chute; 8. a column; 9. a second conduit; 10. a guide wire; 11. a guide wire port; 12. a transverse block; 13. a threaded hole; 14. a bolt; 15. a second handle; 16. a rubber pad; 17. a first conduit port; 18. a second conduit port; 19. a sleeve opening; 20. and a third handle.
Detailed Description
In order to solve the problems, the embodiment of the invention provides a multifunctional microcatheter for coronary drug injection. 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.
Example 1
Referring to fig. 1-4, the embodiment provides a multifunctional microcatheter for coronary artery drug injection, which comprises a sleeve 1, wherein an inner cavity 3 is formed in the sleeve 1, an inner coating wax anti-slip film 4 is formed in the inner cavity 3, a sleeve opening 19 is formed in one side of the inner coating wax anti-slip film 4, an outer coating wax anti-slip film 5 is connected in the sleeve opening 19 in a matched manner, the outer coating wax anti-slip film 5 is formed on the surface of a first catheter 6, a first handle 2 is fixedly connected to the surface of the sleeve 1, and a third handle 20 is fixedly connected to one side of the sleeve 1, which is far away from the first handle 2, so that the multifunctional microcatheter for coronary artery drug injection has the function of quickly adjusting the length of the whole body, and the whole usability is provided.
In this embodiment, during the use, be connected with first pipe 6 through the inner chamber 3 that sleeve pipe 1 inside was offered, and be connected through the outer tectorial membrane wax anti-slip film 5 that the inner tectorial membrane wax anti-slip film 4 that cavity 3 inside was offered and first pipe 6 one side was offered, increase its connectivity to can adjust length to its first pipe 6 through the screw thread, increase convenient practicality through sleeve pipe 1 fixed surface connection's first handle 2.
Example 2
Referring to fig. 1-5, further modifications were made based on example 1: the spout 7 has been seted up on first pipe 6 surface, the inside sliding connection of spout 7 has stand 8, can let stand 8 slide about wherein through the spout 7 that first pipe 6 surface was seted up, stand 8 fixed connection is at second pipe 9 surface, second pipe 9 swing joint is in the inside of first pipe mouth 17, first pipe mouth 17 is seted up on first pipe 6 one side, second pipe mouth 18 has been seted up to one side of second pipe 9, and can drive rather than fixed connection's second pipe 9 and move about in first pipe 6 through removing stand 8, adjust its length, guide wire mouth 11 has been seted up on sleeve 1 surface, guide wire 10 has been placed to first pipe 6 and the inside sliding connection of second pipe 9, make its guide wire 10 enter into first pipe 6 and second pipe 9 inside, sleeve 1 side fixedly connected with horizontal piece 12, horizontal piece 12 surface has been seted up screw hole 13, screw hole 13 internally mounted is connected with bolt 14, namely sleeve 1 one side is through the screw hole 13 and 14 that are seted up rather than fixed connection's horizontal piece 12 surface and 14 carries out the activity in first pipe 6, adjust its length, sleeve 1 surface has been seted up guide wire mouth 11, guide wire mouth 11 is placed to guide wire mouth 11 through guide wire mouth 11 on first pipe 6 and guide wire 9 inside sliding connection, make guide wire 10 enter into first pipe 6 and second pipe 9 inside, make guide wire 10 inside screw hole 12, sleeve 1 side is fixed with screw hole 14, screw hole 13 is connected with screw hole 13, screw hole 13 is fixed by screw hole 13, screw hole 13 and screw hole 13 is fixed by the screw hole is made by the screw pad, screw hole 16, screw-nut 16 is made by the screw handle is fixed by the screw handle 16, and the screw handle is made by the handle, the bottom is fixed by the handle.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A multifunctional microcatheter for coronary drug injection comprising a cannula (1), characterized in that: the inner part of the sleeve (1) is provided with an inner cavity (3), the inner part of the inner cavity (3) is provided with an inner coating wax anti-slip film (4), one side of the inner coating wax anti-slip film (4) is provided with a sleeve opening (19), the inner part of the sleeve opening (19) is connected with an outer coating wax anti-slip film (5), the outer coating wax anti-slip film (5) is provided with a first guide pipe (6) surface, the surface of the sleeve (1) is fixedly connected with a first handle (2), one side of the sleeve (1) far away from the first handle (2) is fixedly connected with a third handle (20), the surface of the first guide pipe (6) is provided with a chute (7), the inner part of the chute (7) is connected with a stand column (8) in a sliding manner, the end part of the stand column (8) is fixedly connected with the surface of a second guide pipe (9), the second guide pipe (9) is movably connected with the inner part of the first guide pipe opening (17), the first guide pipe opening (17) is provided with the surface of the first guide pipe (6), one side of the second guide pipe (1) is fixedly connected with a first guide pipe (10) and one side of the first guide pipe (1) is provided with a first guide wire (12), screw holes (13) are formed in the surface of the transverse block (12), bolts (14) are connected to the inner portions of the screw holes (13) in a matched mode, second handles (15) are fixedly connected to the tops of the bolts (14), rubber pads (16) are fixedly connected to the bottoms of the bolts (14), the rubber pads (16) are made of synthetic rubber, and the first guide pipes (6) are connected with the sleeve (1) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011551235.1A CN114146293B (en) | 2020-12-23 | 2020-12-23 | Multifunctional microcatheter for coronary artery medicine injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011551235.1A CN114146293B (en) | 2020-12-23 | 2020-12-23 | Multifunctional microcatheter for coronary artery medicine injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114146293A CN114146293A (en) | 2022-03-08 |
| CN114146293B true CN114146293B (en) | 2024-03-22 |
Family
ID=80462211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011551235.1A Active CN114146293B (en) | 2020-12-23 | 2020-12-23 | Multifunctional microcatheter for coronary artery medicine injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114146293B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980486A (en) * | 1989-01-30 | 1999-11-09 | Arterial Vascular Engineering, Inc. | Rapidly exchangeable coronary catheter |
| CN209075825U (en) * | 2018-07-20 | 2019-07-09 | 郑海军 | A kind of distal end drug delivery device in targeting perfusion conduit coronary artery |
| CN111467649A (en) * | 2020-05-27 | 2020-07-31 | 深圳北芯生命科技有限公司 | Micro-catheter |
-
2020
- 2020-12-23 CN CN202011551235.1A patent/CN114146293B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980486A (en) * | 1989-01-30 | 1999-11-09 | Arterial Vascular Engineering, Inc. | Rapidly exchangeable coronary catheter |
| CN209075825U (en) * | 2018-07-20 | 2019-07-09 | 郑海军 | A kind of distal end drug delivery device in targeting perfusion conduit coronary artery |
| CN111467649A (en) * | 2020-05-27 | 2020-07-31 | 深圳北芯生命科技有限公司 | Micro-catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114146293A (en) | 2022-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206866080U (en) | A kind of fruit picking device | |
| CN114146293B (en) | Multifunctional microcatheter for coronary artery medicine injection | |
| CN212593478U (en) | Medical four limbs burn treatment device | |
| CN210750840U (en) | Convenient medicine-adding medicine-feeding device for stomatology department | |
| CN209332182U (en) | A kind of adjustable cranium cone | |
| CN112472158A (en) | Medical operation channel with quick telescopic positioning function | |
| CN208877594U (en) | Hand fixing device is used in a kind of infusion of psychiatry patient nursing | |
| CN209122661U (en) | A kind of portable rural area is practised medicine medical kit | |
| CN206183803U (en) | Novel department of stomatology is with adding medicine to device | |
| CN206909039U (en) | A kind of rake of convenient use | |
| CN213158138U (en) | Cardiovascular internal medicine is with supplementary drainage device | |
| CN213554794U (en) | Dedicated perfusion ware of urological department intracavity rubble | |
| CN215194899U (en) | Gynaecology who conveniently loads medicine uses ware of loading | |
| CN108853639A (en) | A kind of paediatrics rotary type infusion device | |
| CN211485879U (en) | Vascular surgery postoperative drainage nursing device | |
| CN209347250U (en) | Surgical operation is dragged | |
| CN214593803U (en) | Gardens spout medicine device based on artificial intelligence | |
| CN213941742U (en) | Weight pressurization injection gun for plastic cosmetology department | |
| CN213217320U (en) | Urinary surgery operation drag hook | |
| CN215608247U (en) | Adjustable arm port | |
| CN207341983U (en) | A kind of venipuncture auxiliary amplifying device | |
| CN209422370U (en) | A kind of department of anesthesia's Mandibular supporting device | |
| CN209611460U (en) | A kind of modified form ant-rotating shoes | |
| CN219071532U (en) | Coronary perfusion tube | |
| CN215916241U (en) | A roast lamp protects frame for burn branch of academic or vocational study nursing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |