CN110464420B - Interventional device for cardiovascular therapy - Google Patents
Interventional device for cardiovascular therapy Download PDFInfo
- Publication number
- CN110464420B CN110464420B CN201910746203.8A CN201910746203A CN110464420B CN 110464420 B CN110464420 B CN 110464420B CN 201910746203 A CN201910746203 A CN 201910746203A CN 110464420 B CN110464420 B CN 110464420B
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- fixed
- interventional
- blood coagulation
- traction rope
- tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00778—Operations on blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22072—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
- A61B2017/22078—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other for rotating the instrument within a channel, e.g. an optical fibre
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention belongs to a device in the medical field, and particularly relates to an interventional device for cardiovascular treatment, which comprises a tubular micro interventional tube and a tip part fixed at one closed end of the micro interventional tube, wherein a blood coagulation clearing component is fixed in the micro interventional tube; any one of the screw rod and the nut is fixed on the control platform, the inner wall of the nut and the outer wall of the screw rod are both provided with threads, so that the screw rod and the nut can be rotationally connected through the threads and can change relative positions through the rotation of the threads, a plurality of fixed pulleys are further fixed on the control platform, one end of the first traction rope is connected with the nut by bypassing one fixed pulley, and the other end of the first traction rope is connected with the blood coagulation removing assembly by bypassing one fixed pulley and is used for linkage with the blood coagulation removing assembly; one end of the second traction rope is connected with the screw rod by bypassing a fixed pulley, and the other end of the second traction rope is connected with the blood coagulation removing assembly by bypassing a fixed pulley and is used for linking the blood coagulation removing assembly.
Description
Technical Field
The invention belongs to the field of medical devices, and particularly relates to an interventional device for cardiovascular treatment.
Background
Cardiovascular and cerebrovascular diseases are common diseases seriously threatening the health of human beings, especially the health of middle-aged and elderly people over 50 years old, have the characteristics of high morbidity, high disability rate and high mortality, and have poor effect even if the most advanced and perfect treatment means is applied at present; for example, the interventional device for cardiovascular therapy of the conventional structure does not have a function of removing blood clots or has a poor effect of removing blood clots by other auxiliary means, and in addition, the interventional device for cardiovascular therapy of the conventional structure does not have a function of preventing bacterial infection, and effective sterilization of the contact portion of the interventional device with the skin or blood vessels is difficult to achieve when sterilization is performed to prevent bacterial infection.
Disclosure of Invention
The object of the present invention is to provide an interventional device for cardiovascular therapy.
Based on the purpose, the invention adopts the following technical scheme:
the intervention device for cardiovascular treatment comprises a tubular micro intervention tube and a tip part fixed at one closed end of the micro intervention tube, wherein a blood coagulation clearance assembly is fixed in the micro intervention tube; the device is characterized by further comprising a control platform, a screw rod, a nut, a first traction rope and a second traction rope, wherein any one of the screw rod and the nut is fixed on the control platform, threads are arranged on the inner wall of the nut and the outer wall of the screw rod, so that the screw rod and the nut can be rotationally connected through the threads and can change relative positions through the rotation of the threads, a plurality of fixed pulleys are further fixed on the control platform, one end of the first traction rope is connected with the nut by bypassing one fixed pulley, and the other end of the first traction rope is connected with the blood coagulation removing assembly by bypassing one fixed pulley and is used for linkage with the blood coagulation removing assembly; one end of the second traction rope is connected with the screw rod by bypassing a fixed pulley, and the other end of the second traction rope is connected with the blood coagulation removing assembly by bypassing a fixed pulley and is used for linking the blood coagulation removing assembly.
Further, the hemagglutination clear away the subassembly and be the star-shaped knife tackle in four corners, the hemagglutination clear away the subassembly including set up at the fixed axle at middle part and a plurality of short sword and the long sword of a plurality of at the edge of setting, set up the perforation on one of them short sword and be used for connecting the second haulage rope, set up the perforation on one of them long sword and be used for connecting first haulage rope, the hemagglutination clear away the subassembly specifically through the fixed axle rotatable fix at the pipe inner wall is intervened to miniature, still set up sword portion breach on the pipe is intervened to the miniature of subassembly one side is clear away to the hemagglutination, the fixed: the distance between the farthest end of the long cutter and the fixed shaft is greater than the distance between the fixed shaft and the perpendicular line of the pipe wall on the side where the cutter notch is located, and the distance between the farthest end of the short cutter and the fixed shaft is smaller than the distance between the fixed shaft and the perpendicular line of the pipe wall on the side where the cutter notch is located.
Furthermore, the pipe wall of the miniature intervention pipe further comprises a hard part and a soft part, and the pipe wall of the miniature intervention pipe, at the position of the notch of the cutter part, adopts the hard part.
Furthermore, the power output shaft of the stepping motor is connected with the power input shaft of the speed regulating gear, the screw is fixed on the control platform, and the periphery of the nut is provided with meshing teeth which are meshed with the speed regulating gear.
Further, the first haulage rope or the second haulage rope is specifically a nickel metal wire with a fiber diameter of 100-200nm or a multi-core rope wound by taking the metal wire as a monomer.
Furthermore, the hard part and the soft part of the micro intervention tube are made of titanium alloy and rubber respectively.
Further, the periphery of the pipe wall of the miniature intervention pipe is provided with a layer of antibacterial film, and the antibacterial film is wound at the far end to form a winding body.
Advantageous effects
The blood coagulation removing assembly can be adjusted by linking the first traction rope or the second traction rope through adjusting the relative displacement of the nut and the screw rod, the short knife or the long knife can be alternately pulled, and the short knife or the long knife can rotate back and forth around the fixed shaft in or out of the micro intervention tube, so that the blood coagulation blocks on the outer side of the micro intervention tube can be crushed, and meanwhile, the blood coagulation blocks falling into the micro intervention tube can be crushed, and the blood coagulation blocks can be effectively removed; in the implementation, the blood vessel or the skin surface, the winding body and the antibacterial film outside the blood vessel or the skin surface actually form a triangular isolation area, and the triangular isolation area can isolate external bacteria or viruses from entering wounds of the blood vessel or the skin, so that an excellent antibacterial effect is formed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of one embodiment of the present application;
FIG. 2 is a schematic view of a coupling structure of a micro-scale access tube and a coagulation clearance assembly according to an embodiment of the present application;
FIG. 3 is a schematic view of a micro-scale access tube and clot removal assembly coupling configuration according to one embodiment of the present application;
FIG. 4 is a schematic view of a portion of a micro access tube according to one embodiment of the present application;
FIG. 5 is a schematic structural diagram of another embodiment of the present application;
FIG. 6 is a schematic view of a micro interventional tube structure according to an embodiment of the present application;
fig. 7 is a schematic structural view of a micro-interventional tube inserted into the skin or a blood vessel according to an embodiment of the present application.
Detailed Description
In specific implementation, as shown in fig. 1, an embodiment of the present application includes a tubular micro interventional tube 6 and a tip portion 7 fixed at a closed end of the micro interventional tube 6, wherein a blood coagulation clearing assembly 8 is fixed inside the micro interventional tube 6; the device is characterized by further comprising a control platform 1, a screw rod 2, a nut 3, a first traction rope 5 and a second traction rope 9, wherein any one of the screw rod 2 and the nut 3 is fixed on the control platform 1, threads are arranged on the inner wall of the nut 3 and the outer wall of the screw rod 2, so that the screw rod 2 and the nut 3 can be connected in a rotating mode through the threads and can change relative positions through the rotating mode of the threads, a plurality of fixed pulleys 4 are further fixed on the control platform 1, one end of the first traction rope 5 is connected with the nut 3 by bypassing one fixed pulley 4, and the other end of the first traction rope 5 is connected with a blood coagulation removing assembly 8 by bypassing one fixed pulley 4 and is used for linkage with the; one end of the second traction rope 9 is connected with the screw rod 2 by bypassing a fixed pulley 4, and the other end of the second traction rope 9 is connected with the blood coagulation removing assembly 8 by bypassing the fixed pulley 4 and is used for being linked with the blood coagulation removing assembly 8; in specific implementation, the micro intervention tube 6 and the internal blood coagulation clearing assembly 8 thereof are inserted into a cardiovascular system through the tip portion 7, and a radial force is applied to the micro intervention tube 6 through an external tool (such as a micro operation clamp) to insert the micro intervention tube 6 into a blood vessel, in implementation, the nut 3 can be pushed by a hand on the control platform 1, so that the nut 3 rotates and moves relative to the screw rod 2 (the transmission principle is similar to micrometer control transmission), the rotation action is substantially converted into the relative movement of the screw rod 2 and the nut 3, and accurate control can be realized (the nut 3 moves a thread position relative to the screw rod 2 every time the nut 3 rotates a circle), and the relative displacement of the nut 3 and the screw rod 2 can further realize linkage of the first traction rope 5 or the second traction rope 9 to adjust the blood coagulation clearing assembly 8.
In implementation, as shown in fig. 2-3, the blood coagulation removing assembly 8 is a knife assembly in a four-pointed star shape, the blood coagulation removing assembly 8 includes a fixing shaft 82 disposed in the middle, and a plurality of short knives 81 and a plurality of long knives 83 disposed at the edges of the fixing shaft, one of the short knives 81 is provided with a through hole and used for connecting with the second traction rope 9, one of the long knives 83 is provided with a through hole and used for connecting with the first traction rope 5, the blood coagulation removing assembly 8 is rotatably fixed on the inner wall of the micro interventional tube 6 by the fixing shaft 82, the micro interventional tube 6 on one side of the blood coagulation removing assembly 8 is further provided with a knife notch 61, and the opening position of the knife notch 61 and the fixing position of the fixing shaft 82 are determined jointly: the distance between the farthest end of the long knife 83 and the fixed shaft 82 is greater than the distance between the fixed shaft 82 and the perpendicular line of the tube wall on the side where the knife part notch 61 is located, and the distance between the farthest end of the short knife 81 and the fixed shaft 82 is less than the distance between the fixed shaft 82 and the perpendicular line of the tube wall on the side where the knife part notch 61 is located; as mentioned above, the adjustment of the blood coagulation removing assembly 8 by the first traction rope 5 or the second traction rope 9 can be realized by adjusting the relative displacement of the nut 3 and the screw rod 2, specifically, the second traction rope 9 can pull the short knife 81, the first traction rope 5 can pull the long knife 83, the nut 3 is pulled back and forth to pull the short knife 81 or the long knife 83 alternatively, meanwhile, the other short knife 81 or the long knife 83 can rotate back and forth around the fixed shaft 82 in or outside the mini-sized interventional tube 6, the short knife 81 can only rotate around the fixed shaft 82 in the mini-sized interventional tube 6, the long knife 83 can rotate back and forth in the mini-sized interventional tube 6 or outside the fixed shaft 82, by this way, the blood clot outside the mini-sized interventional tube 6 can be broken, and the clot falling into the mini-sized interventional tube 6 can be broken, thereby effectively removing the blood vessel clot; it should be noted that, before implementation, the fixed relative position between the memory nut 3 and the screw rod 2 may be located, so that all the long knives 83 are located in the micro intervention tube 6, that is, the farthest end of each long knife is not located on the outer wall of the micro intervention tube 6, which may ensure that the micro intervention tube 6 may not damage the insertion port when inserted into a blood vessel or skin, and at the same time, the above adjustment may be performed when the micro intervention tube 6 is pulled out of the blood vessel or skin, which may ensure that the micro intervention tube 6 may not damage the insertion port when pulled out of the blood vessel or skin.
In implementation, as shown in fig. 4, the tube wall of the micro interventional tube 6 further includes a hard portion 6a and a soft portion 6b, and the tube wall of the micro interventional tube 6 at the position where the knife notch 61 is formed adopts the hard portion 6 a; the hard portion 6a ensures the rigidity of the wall of the mini-sized interventional tube 6 and supports the fixing shaft 82 of the blood coagulation removing assembly 8, and the soft portion 6b ensures the flexibility and bendability of the mini-sized interventional tube 6 as a whole.
In implementation, as shown in fig. 5, the embodiment of the present application further includes a stepping motor 10 and a speed regulation gear 10a, a power output shaft of the stepping motor 10 is connected with a power input shaft of the speed regulation gear 10a, the screw 2 is fixed on the control platform 1, and the periphery of the nut 3 is provided with engaging teeth and is engaged with the speed regulation gear 10 a; in specific implementation, the nut 3 can be adjusted manually by the arranged stepping motor 10, so that the efficiency can be improved, the adjustment accuracy can be improved, in addition, in the implementation, the stepping motor 10 needs to be connected with a corresponding stepping motor controller and power supply equipment, and in addition, the control equipment such as a single chip microcomputer can be connected, so as to realize programmed control.
In specific implementation, the first traction rope 5 or the second traction rope 9 is specifically a nickel metal wire with the fiber diameter of 100-200nm or a multi-core rope wound by taking the metal wire as a monomer; adopt first haulage rope 5 or second haulage rope 9 of nanometer level can improve the precision of control in the implementation, and the miniature intervention pipe 6 wherein, hemagglutination clear up subassembly 8 and parts all can adopt nanometer specification and size, can accomplish accurate control like this and eliminate the fritter clot, operate tiny blood vessel, also can reduce simultaneously and create the wound.
In a specific embodiment, the hard portion 6a and the soft portion 6b of the mini access tube 6 are made of titanium alloy and rubber; in the implementation, the materials such as titanium alloy and the like have no specific reaction to the human body and have high acceptance to the human body.
In the implementation, as shown in fig. 6, a layer of antibacterial film 6c is arranged on the periphery of the tube wall of the micro interventional tube 6, the antibacterial film 6c is wound at one end far away from the end 7 to form a wound body 6d, and the antibacterial film 6c is made of a high polymer material; in the specific implementation, the adopted antibacterial film 6c is mainly used for preventing the infection of the micro interventional tube 6 inserted into the wound of the blood vessel or the skin, and in the implementation, as shown in fig. 7, the winding body 6d is substantially a wound multilayer antibacterial film 6c, the winding body 6d is arranged outside the blood vessel or the skin surface 6e, and the blood vessel or the skin surface 6e, the winding body 6d and the antibacterial film 6c outside the blood vessel or the skin surface 6e actually form a triangular isolation area 6f, and the triangular isolation area 6f can isolate external bacteria or viruses from entering the wound of the blood vessel or the skin, so that an excellent antibacterial effect is formed.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are illustrative and not exclusive in all respects. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The interventional device for cardiovascular treatment is characterized by comprising a tubular micro interventional tube and a tip part fixed at one closed end of the micro interventional tube, wherein a blood coagulation clearance assembly is fixed in the micro interventional tube; the device is characterized by further comprising a control platform, a screw rod, a nut, a first traction rope and a second traction rope, wherein any one of the screw rod and the nut is fixed on the control platform, threads are arranged on the inner wall of the nut and the outer wall of the screw rod, so that the screw rod and the nut can be rotationally connected through the threads and can change relative positions through the rotation of the threads, a plurality of fixed pulleys are further fixed on the control platform, one end of the first traction rope is connected with the nut by bypassing one fixed pulley, and the other end of the first traction rope is connected with the blood coagulation removing assembly by bypassing one fixed pulley and is used for linkage with the blood coagulation removing assembly; one end of the second traction rope is connected with the screw rod by bypassing a fixed pulley, and the other end of the second traction rope is connected with the blood coagulation removing assembly by bypassing a fixed pulley and is used for linking the blood coagulation removing assembly.
2. The interventional device for cardiovascular therapy according to claim 1, wherein the blood coagulation removing assembly is a knife assembly with a four-pointed star shape, the blood coagulation removing assembly comprises a fixed shaft disposed in the middle and a plurality of short knives and a plurality of long knives disposed at the edges, one of the short knives is provided with a through hole and is used for connecting the second traction rope, one of the long knives is provided with a through hole and is used for connecting the first traction rope, the blood coagulation removing assembly is rotatably fixed on the inner wall of the micro interventional tube through the fixed shaft, the micro interventional tube at one side of the blood coagulation removing assembly is further provided with a knife notch, and the opening position of the knife notch and the fixed position of the fixed shaft are determined together such that: the distance between the farthest end of the long cutter and the fixed shaft is greater than the distance between the fixed shaft and the perpendicular line of the pipe wall on the side where the cutter notch is located, and the distance between the farthest end of the short cutter and the fixed shaft is smaller than the distance between the fixed shaft and the perpendicular line of the pipe wall on the side where the cutter notch is located.
3. The interventional device for cardiovascular therapy as claimed in claim 2, wherein the wall of the mini interventional tube further comprises a hard portion and a soft portion, and the wall of the mini interventional tube at the position of the knife notch adopts the hard portion.
4. The interventional device of claim 3, wherein the power output shaft of the stepping motor is coupled to the power input shaft of the speed regulating gear, the screw is fixed to the control platform, and the nut is provided with engaging teeth on the outer periphery thereof and engages with the speed regulating gear.
5. The interventional device for cardiovascular therapy as set forth in claim 3, wherein the first pull cord or the second pull cord is a nickel metal wire having a fiber diameter of 100-200nm or a multi-core cord wound from the metal wire as a single body.
6. The interventional device for cardiovascular therapy according to claim 3, wherein the hard portion and the soft portion of the mini-interventional tube are made of titanium alloy and rubber, respectively.
7. The interventional device for cardiovascular therapy according to any one of claims 1 to 3, wherein a bacterial-protective membrane is provided around the wall of the mini-interventional tube, said membrane being wound at the distal end to form a roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746203.8A CN110464420B (en) | 2019-08-13 | 2019-08-13 | Interventional device for cardiovascular therapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746203.8A CN110464420B (en) | 2019-08-13 | 2019-08-13 | Interventional device for cardiovascular therapy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110464420A CN110464420A (en) | 2019-11-19 |
| CN110464420B true CN110464420B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910746203.8A Expired - Fee Related CN110464420B (en) | 2019-08-13 | 2019-08-13 | Interventional device for cardiovascular therapy |
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| CN (1) | CN110464420B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850957A (en) * | 1988-01-11 | 1989-07-25 | American Biomed, Inc. | Atherectomy catheter |
| CN2155851Y (en) * | 1992-12-12 | 1994-02-16 | 中国人民解放军第三医院 | Bladder blood block removing apparatus |
| CN101489484A (en) * | 2006-07-21 | 2009-07-22 | 霍夫曼-拉罗奇有限公司 | Multi-lancet device |
| CN102038544A (en) * | 2009-10-19 | 2011-05-04 | 上海贝奥路生物材料有限公司 | Stealth blade for treating aseptic caput femoris necrosis |
| WO2014027548A1 (en) * | 2012-08-13 | 2014-02-20 | オリンパスメディカルシステムズ株式会社 | Treatment device for endoscope |
| CN203576680U (en) * | 2013-12-05 | 2014-05-07 | 天津开发区合普工贸有限公司 | Laser cornea cutting device for test animal |
| CN205697927U (en) * | 2016-04-09 | 2016-11-23 | 李振燕 | A kind of Novel scraping osteotome |
| CN106714714A (en) * | 2014-06-05 | 2017-05-24 | 奥蒂科勒勃有限责任公司 | Transcatheter device for the ablation of calcified tissue at the flaps of an aortic valve |
-
2019
- 2019-08-13 CN CN201910746203.8A patent/CN110464420B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850957A (en) * | 1988-01-11 | 1989-07-25 | American Biomed, Inc. | Atherectomy catheter |
| CN2155851Y (en) * | 1992-12-12 | 1994-02-16 | 中国人民解放军第三医院 | Bladder blood block removing apparatus |
| CN101489484A (en) * | 2006-07-21 | 2009-07-22 | 霍夫曼-拉罗奇有限公司 | Multi-lancet device |
| CN102038544A (en) * | 2009-10-19 | 2011-05-04 | 上海贝奥路生物材料有限公司 | Stealth blade for treating aseptic caput femoris necrosis |
| WO2014027548A1 (en) * | 2012-08-13 | 2014-02-20 | オリンパスメディカルシステムズ株式会社 | Treatment device for endoscope |
| CN203576680U (en) * | 2013-12-05 | 2014-05-07 | 天津开发区合普工贸有限公司 | Laser cornea cutting device for test animal |
| CN106714714A (en) * | 2014-06-05 | 2017-05-24 | 奥蒂科勒勃有限责任公司 | Transcatheter device for the ablation of calcified tissue at the flaps of an aortic valve |
| CN205697927U (en) * | 2016-04-09 | 2016-11-23 | 李振燕 | A kind of Novel scraping osteotome |
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| CN110464420A (en) | 2019-11-19 |
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