CN113456173A - Cerebral nerve and blood vessel thrombus removing device - Google Patents
Cerebral nerve and blood vessel thrombus removing device Download PDFInfo
- Publication number
- CN113456173A CN113456173A CN202110746309.5A CN202110746309A CN113456173A CN 113456173 A CN113456173 A CN 113456173A CN 202110746309 A CN202110746309 A CN 202110746309A CN 113456173 A CN113456173 A CN 113456173A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- ring
- thrombus
- catheter
- thrombectomy
- 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
- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 77
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 27
- 230000002490 cerebral effect Effects 0.000 title claims abstract description 17
- 210000005036 nerve Anatomy 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 24
- 241001330002 Bambuseae Species 0.000 claims description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 24
- 239000011425 bamboo Substances 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 11
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 238000013151 thrombectomy Methods 0.000 abstract description 21
- 210000004369 blood Anatomy 0.000 abstract description 13
- 239000008280 blood Substances 0.000 abstract description 13
- 230000017531 blood circulation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000003073 embolic effect Effects 0.000 description 14
- 210000003792 cranial nerve Anatomy 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000302 ischemic effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 102000009123 Fibrin Human genes 0.000 description 1
- 108010073385 Fibrin Proteins 0.000 description 1
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 229950003499 fibrin Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004088 pulmonary circulation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Classifications
-
- 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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- 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
- 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
- A61B2017/22079—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 suction of debris
-
- 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
- A61B2017/22094—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 for crossing total occlusions, i.e. piercing
-
- 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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
Landscapes
- 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 the field of medical instruments, and particularly relates to a cerebral nerve and blood vessel thrombus extraction device which comprises a catheter, wherein a de-tying end is arranged at one end of the catheter, a control end and a negative pressure end are arranged at the other end of the catheter, a sealing plug which is sealed with the negative pressure end is arranged at the control end, a guide rod is fixedly connected onto the sealing plug, the guide rod penetrates through the interior of the catheter from the control end, and the other end of the guide rod is led out from the de-tying end. The invention can realize the separation of the guide wire and the thrombectomy ring from the catheter and the separation of the guide wire and the thrombectomy ring from the catheter after the guide wire and the thrombectomy ring enter blood through the guide wire and the thrombectomy ring made of memory metal materials, and further realize the recovery deformation of the guide wire and the thrombectomy ring through the blood, so that thrombus can be conveniently separated from blood vessels after the thrombectomy ring is expanded, and further the thrombectomy is conveniently performed, and small thrombi along with the blood flow can be effectively removed through the adsorption assembly and the negative pressure mechanism, thereby ensuring the actual thrombectomy effect.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a cerebral nerve and blood vessel thrombus extraction device.
Background
Thrombi are small patches of blood flow that form on the surface of a denuded or repaired site within a blood vessel of the cardiovascular system. In the variable fluid-dependent type, the thrombus consists of insoluble fibrin, deposited platelets, accumulated leukocytes and entrapped erythrocytes; the thrombus occurring in the vein is red thrombus, which causes blood reflux disorder, and is manifested as limb swelling and pain, venous thrombus can fall off and enter pulmonary circulation to cause pulmonary artery embolism, and serious patients have dyspnea and even death. Thrombi occurring in arteries are usually white thrombi or mixed thrombi, which can cause ischemic changes in limbs and vital organs. Arterial thrombus can block distal arteries along the blood flow, so that acute ischemic change is caused, and necrosis of limbs or organs occurs.
The existing thrombus taking device usually has thrombus destruction, and then the broken thrombus enters other parts of the blood vessel along with the blood circulation to accumulate, so that the condition that the rest parts of the blood vessel are blocked is caused.
To this end, we propose a cerebral neurovascular thrombus extraction device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a cerebral neurovascular thrombus extraction device.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a cranial nerve blood vessel thrombus remove device, includes the pipe, one end is equipped with except tying the end on the pipe, the pipe other end is equipped with control end and negative pressure end, the control end is equipped with the sealing plug that sets up with the negative pressure end is sealed, fixedly connected with guide rod on the sealing plug, guide rod passes inside the pipe and the other end from the control end is followed and is removed to tie the end and draw forth, a plurality of guide wires that lead of guide rod other end fixedly connected with, a plurality of rings that remove of guide wire fixedly connected with, the pipe is close to except that the one end of tying the end is equipped with adsorption component, the negative pressure end is equipped with negative pressure mechanism.
In the above-mentioned device for removing a thrombus from a cerebral neurovascular thrombus, the guide wire and the thrombectomy ring are both made of a titanium-nickel memory alloy, the guide wire has a wire-shaped structure with a diameter of 0.1 mm or less, and the thrombectomy ring has a circular ring structure made of a metal wire with a diameter of O.15 mm or less.
In the above device for taking out a thrombus from a cerebral nerve vessel, the sealing plug is made of rubber, and the outer diameter of one end of the sealing plug close to the guide rod is larger than the inner diameter of the control end.
In foretell cerebrovascular thrombus remove device, adsorption component comprises logical groove and blocking net, lead to the groove setting on the pipe lateral wall, just block net fixed connection on the pipe outside, blocking net fixed connection keeps away from in leading to the groove and removes the one side of tying the end.
In foretell cranial nerve blood vessel thrombus remove device, negative pressure mechanism comprises a negative pressure section of thick bamboo, sealed ring, control lever and control panel, negative pressure section of thick bamboo one end be equipped with negative pressure end complex suction head, the negative pressure section of thick bamboo other end sets up for the opening, just sealed sliding connection of ring is inside a negative pressure section of thick bamboo, the one end fixed connection of suction head is kept away from with sealed ring to the control lever, the one end and the control panel fixed connection of sealed ring are kept away from to the control lever.
In foretell cranial nerve blood vessel thrombus remove device, fixedly connected with spacing on the control lever, be equipped with a plurality of spacing grooves on the spacing, the inside fixedly connected with of negative pressure section of thick bamboo and spacing groove matched with limiting plate.
In the cerebral neurovascular thrombus taking-out device, the fixing ring is sleeved outside the negative pressure end, and the fixing ring is provided with a bolt piece for changing the inner diameter of the fixing ring.
In foretell cranial nerve blood vessel thrombus remove device, negative pressure end lateral wall fixedly connected with mounting, threaded connection has the threaded rod on the mounting, the threaded rod is located the inboard rotation of mounting and is connected with the current-limiting plate.
The invention has the beneficial effects that: through setting up the guide wire and removing the temperature that the tie ring can realize in the blood make the guide wire and remove the tie ring and reply deformation, and then realize removing the tie ring and will set up with the laminating of blood vessel inner wall, and then when realizing dragging guide wire or pipe, remove the tie ring this moment and will cut off blood vessel inner wall and thrombus junction, and then conveniently take out the thrombus.
Can make to remove to tie the end and keep certain negative pressure through setting up adsorption component and negative pressure mechanism, and then ensure that when the thrombus of fritter flows along with blood, the thrombus of fritter will be blockked the net and blockked, and will have the negative pressure to enter into a negative pressure section of thick bamboo, and then avoid the thrombus of fritter to lead to the thrombus of fritter still to stay in the blood vessel along with blood flows.
The following are included: the invention can realize the separation of the guide wire and the thrombectomy ring from the catheter and the separation of the guide wire and the thrombectomy ring from the catheter after the guide wire and the thrombectomy ring enter blood through the guide wire and the thrombectomy ring made of memory metal materials, and further realize the recovery deformation of the guide wire and the thrombectomy ring through the blood, so that thrombus can be conveniently separated from blood vessels after the thrombectomy ring is expanded, and further the thrombectomy is conveniently performed, and small thrombi along with the blood flow can be effectively removed through the adsorption assembly and the negative pressure mechanism, thereby ensuring the actual thrombectomy effect.
Drawings
FIG. 1 is a schematic view of the overall structure of a cerebral neurovascular thrombus extraction device provided by the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a negative pressure mechanism in the device for removing thrombus from cerebral neurovascular thrombus provided by the present invention;
FIG. 4 is a schematic side view of a negative pressure cylinder in the device for removing a thrombus from a cerebral nerve vessel provided by the present invention;
FIG. 5 is a schematic view of a sectional structure of a fixing member in the device for removing a thrombus from a cerebral neurovascular thrombus provided by the present invention.
In the figure: the device comprises a catheter 1, a bolt removing end 11, a control end 12, a negative pressure end 13, a fixing ring 14, a bolt piece 15, a sealing plug 2, a guide rod 3, a guide wire 4, a bolt removing ring 5, an adsorption component 6, a through groove 61, a blocking net 62, a negative pressure mechanism 7, a negative pressure cylinder 71, a sealing ring 72, a control rod 73, a control plate 74, a limiting plate 75, a suction head 76, a limiting strip 8, a limiting groove 81, a fixing piece 9, a threaded rod 91 and a flow limiting plate 92.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in figures 1-5, a cerebral nerve and vessel thrombus extraction device comprises a catheter 1, wherein one end of the catheter 1 is provided with a thrombus removal end 11, the other end of the catheter 1 is provided with a control end 12 and a negative pressure end 13, and the control end 12 and the negative pressure end 13 form a Y-shaped structure.
The sealing plug 2 is fixedly connected with a guide rod 3, the guide rod 3 penetrates through the interior of the catheter 1 from a control end 12, the other end of the guide rod is led out from a bolt removing end 11, the other end of the guide rod 3 is fixedly connected with a plurality of guide wires 4, and the guide wires 4 are fixedly connected with a plurality of bolt removing rings 5.
The guide wire 4 and the thrombectomy ring 5 are both made of titanium-nickel memory alloy, the guide wire 4 is of a wire-shaped structure with the diameter of less than 0.1 mm, and the thrombectomy ring 5 is of a circular ring structure formed by metal wires with the diameter of less than O.15 mm.
Guide wire 4 and remove the embolic ring 5 and all be located catheter 1 under the normality, after catheter 1 runs through the thrombus, make guide wire 4 and remove embolic ring 5 and remove the catheter 1 outside through guide rod 3 this moment, guide wire 4 and remove embolic ring 5 this moment will reply deformation under the intensification effect of blood, and then realize removing embolic ring 5 this moment will expand and set up with the laminating of blood vessel inner wall, when pulling guide rod 3 or catheter 1 this moment, all can drive and remove embolic ring 5 and remove, when removing embolic ring 5 and remove thrombus and blood vessel junction, remove embolic ring 5 this moment will cut the thrombus, and then realize that the thrombus this moment will separate with the blood vessel inner wall gradually, and can ensure to carry out many times cutting to thrombus and blood vessel junction through setting up a plurality of embolic rings 5 that remove, and then ensure to make thrombus and blood vessel thoroughly separate.
One end of the catheter 1 close to the fastening end 11 is provided with an adsorption component 6, the adsorption component 6 is composed of a through groove 61 and a blocking net 62, the through groove 61 is arranged on the side wall of the catheter 1, the blocking net 62 is fixedly connected to the outer side of the catheter 1, and the blocking net 62 is fixedly connected to one side of the through groove 61 far away from the fastening end 11.
When the catheter 1 cuts the thrombus through the thrombus or the thrombus removal ring 5 to generate small thrombus, the thrombus at the moment is filtered by the blocking net 62 along with the blood flow, and the filtered thrombus moves towards the direction of the through groove 61 under the impact of the blood until the thrombus enters the inside of the catheter 1, and in the process, the blocking net 62 reduces the influence on the blood circulation as much as possible.
When pulling control lever 73 through control panel 74 and moving towards the direction of keeping away from suction head 76, control lever 73 will drive sealed ring 72 and move this moment, and then realize negative pressure section of thick bamboo 71 this moment, will form certain negative pressure in the cavity between sealed ring 72 and the suction head 76, make the inside certain negative pressure that produces of pipe 1 through the negative pressure this moment, and then realize logical groove 61 this moment and will produce the negative pressure, and then ensure that logical groove 61 actually has certain adsorption affinity to the thrombus near logical groove 61, the thrombus will enter into negative pressure section of thick bamboo 71 from pipe 1 this moment at the effect of negative pressure simultaneously, and then ensure to continue the suction to the thrombus to logical groove 61, avoid the thrombus to take place along with the condition of blood "escape".
Spacing 8 of fixedly connected with on the control lever 73, be equipped with a plurality of spacing grooves 81 on the spacing 8, the inside fixedly connected with of negative pressure section of thick bamboo 71 and spacing groove 81 matched with limiting plate 75, when pulling the control lever 73 to certain distance, make a negative pressure section of thick bamboo 71, after the inside negative pressure of cavity between sealed ring 72 and the suction head 76 reaches certain value, accessible this moment rotates control lever 73, control lever 73 will drive spacing 8 and rotate, spacing groove 81 on the spacing 8 will cooperate with the limiting plate 75 on the negative pressure section of thick bamboo 71, and then realize spacing to spacing 8, and then realize spacing to control lever 73, and then ensure that sealed ring 72 removes to realize spacing to sealed ring 72 after certain distance.
The outside cover of negative pressure end 13 is equipped with solid fixed ring 14, is equipped with the bolt piece 15 that changes solid fixed ring 14 internal diameter on the solid fixed ring 14, can ensure through twisting bolt piece 15 that the connection between the suction head 76 of the guarantee negative pressure end 13 of pipe 1 and negative pressure section of thick bamboo 71 is inseparabler, avoids appearing the condition of gas leakage.
13 lateral wall fixedly connected with mounting 9 of negative pressure end, threaded connection has threaded rod 91 on mounting 9, threaded rod 91 is located the inboard rotation of mounting 9 and is connected with restrictor plate 92, when the inside thrombus of negative pressure section of thick bamboo 71 and blood are more, through rotating threaded rod 91 this moment, threaded rod 91 will realize extrudeing negative pressure end 13 through restrictor plate 92, and then ensure that negative pressure end 13 can be in confined state temporarily, and then convenient follow-up change to negative pressure section of thick bamboo 71.
The operating principle of the present invention will now be described as follows:
the catheter 1 is first controlled to move inside the vessel, then until after the catheter 1 has passed through the thrombus, the guide rod 3 is then pushed so that the guide rod 3 pushes the guide wire 4 and the thrombectomy ring 5 to move away from the catheter 1 and into the vessel.
Guide wire 4 this moment and remove the embolic ring 5 and will reply deformation under the intensification effect of blood, and then realize that the embolic ring 5 that removes this moment will expand and the laminating setting of blood vessel inner wall, when pulling guide rod 3 or pipe 1 this moment, all can drive and remove embolic ring 5 and remove, when removing embolic ring 5 and remove to thrombus and blood vessel junction, remove embolic ring 5 this moment will cut the thrombus, and then realize that the thrombus of this moment will separate with blood vessel inner wall gradually, and can ensure to carry out the cutting many times to thrombus and blood vessel junction through setting up a plurality of embolic ring 5 that remove, and then ensure to make thrombus and blood vessel thoroughly separate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A cerebral nerve vessel thrombus extraction device comprises a catheter (1) and is characterized in that one end of the catheter (1) is provided with a de-tying end (11), the other end of the catheter (1) is provided with a control end (12) and a negative pressure end (13), the control end (12) is provided with a sealing plug (2) which is hermetically arranged with the negative pressure end (13), the sealing plug (2) is fixedly connected with a guide rod (3), the guide rod (3) penetrates through the interior of the catheter (1) from the control end (12) and the other end of the guide rod is led out from the de-tying end (11), the other end of the guide rod (3) is fixedly connected with a plurality of guide wires (4), the guide wires (4) are fixedly connected with a plurality of de-tying rings (5), one end of the catheter (1) close to the de-tying end (11) is provided with an adsorption component (6), and the negative pressure end (13) is provided with a negative pressure mechanism (7), negative pressure mechanism (7) comprise negative pressure section of thick bamboo (71), sealed ring (72), control lever (73) and control panel (74), negative pressure section of thick bamboo (71) one end be equipped with negative pressure end (13) matched with suction head (76), the negative pressure section of thick bamboo (71) other end sets up for the opening, just sealed sliding connection of ring (72) is inside negative pressure section of thick bamboo (71), the one end fixed connection of suction head (76) is kept away from with sealed ring (72) in control lever (73), the one end and control panel (74) fixed connection of sealed ring (72) are kept away from in control lever (73).
2. The cerebrovascular thrombus extraction device according to claim 1, wherein the guide wire (4) and the thrombus removal ring (5) are both made of a titanium-nickel memory alloy, the guide wire (4) is a wire-shaped structure with a diameter of 0.1 mm or less, and the thrombus removal ring (5) is a circular ring structure made of a metal wire with a diameter of O.15 mm or less.
3. The device for removing the thrombus of the cerebral nerve and blood vessel as claimed in claim 1, wherein the sealing plug (2) is made of rubber, and the outer diameter of the end of the sealing plug (2) close to the guide rod (3) is larger than the inner diameter of the control end (12).
4. The cerebrovascular thrombus extraction device according to claim 1, wherein the adsorption component (6) is composed of a through groove (61) and a blocking net (62), the through groove (61) is arranged on the side wall of the catheter (1), the blocking net (62) is fixedly connected on the outer side of the catheter (1), and the blocking net (62) is fixedly connected on one side of the through groove (61) far away from the tethering end (11).
5. The device for taking out the thrombus of the cerebral neurovascular thrombus as claimed in claim 1, wherein a limiting strip (8) is fixedly connected to the control rod (73), a plurality of limiting grooves (81) are formed in the limiting strip (8), and a limiting plate (75) matched with the limiting grooves (81) is fixedly connected to the inside of the negative pressure cylinder (71).
6. The cerebrovascular thrombus extraction device according to claim 1, wherein a fixing ring (14) is sleeved outside the negative pressure end (13), and the fixing ring (14) is provided with a bolt piece (15) for changing the inner diameter of the fixing ring (14).
7. The cerebrovascular thrombus extraction device as claimed in claim 1, wherein a fixing member (9) is fixedly connected to the outer side wall of the negative pressure end (13), a threaded rod (91) is connected to the fixing member (9) in a threaded manner, and a restrictor plate (92) is rotatably connected to the threaded rod (91) and is positioned on the inner side of the fixing member (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746309.5A CN113456173A (en) | 2021-07-01 | 2021-07-01 | Cerebral nerve and blood vessel thrombus removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746309.5A CN113456173A (en) | 2021-07-01 | 2021-07-01 | Cerebral nerve and blood vessel thrombus removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113456173A true CN113456173A (en) | 2021-10-01 |
Family
ID=77877457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110746309.5A Pending CN113456173A (en) | 2021-07-01 | 2021-07-01 | Cerebral nerve and blood vessel thrombus removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113456173A (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050004594A1 (en) * | 2003-07-02 | 2005-01-06 | Jeffrey Nool | Devices and methods for aspirating from filters |
| CN101389289A (en) * | 2005-12-28 | 2009-03-18 | 弗里·格里马诺维奇·安德烈耶夫 | Set for preventing a lung artery thrombembolia and an intravenous filter |
| US20100204712A1 (en) * | 2009-02-11 | 2010-08-12 | Mark Mallaby | Neurovascular microcatheter device, system and methods for use thereof |
| US20120130395A1 (en) * | 2010-11-19 | 2012-05-24 | Gil Vardi | Percutaneous thrombus extraction device and method |
| CN104053410A (en) * | 2011-10-05 | 2014-09-17 | 半影公司 | System and method for treating ischemic stroke |
| CN204972542U (en) * | 2015-09-09 | 2016-01-20 | 广州德米医用设备有限公司 | Take limit structure's injection device |
| CN105877814A (en) * | 2016-03-28 | 2016-08-24 | 西南医科大学附属医院 | Negative pressure puncture needle cylinder with adjustable pressure |
| CN106413572A (en) * | 2014-05-09 | 2017-02-15 | 东丽株式会社 | Endovascular treatment assistance tool |
| CN106413593A (en) * | 2014-03-04 | 2017-02-15 | 莱克马克医学公司 | Intravascular thromboembolectomy device having a plurality of clot engaging elements |
| CN106725724A (en) * | 2017-01-24 | 2017-05-31 | 中国人民解放军第四军医大学 | Thrombolysis drainage set |
| CN107468307A (en) * | 2017-09-08 | 2017-12-15 | 邵秋季 | A kind of blood vessel takes glue catching device and arrests component |
| WO2018043281A1 (en) * | 2016-08-29 | 2018-03-08 | テルモ株式会社 | Suction system and treatment method |
| CN207136886U (en) * | 2017-03-06 | 2018-03-27 | 山西医科大学 | Intravascular Thrombus removal device |
| CN108472051A (en) * | 2015-10-26 | 2018-08-31 | 阿姆尼斯治疗有限公司 | System for thrombectomy |
| CN207785228U (en) * | 2017-05-08 | 2018-08-31 | 上海形状记忆合金材料有限公司 | Polydisc takes bolt device and its conveying device |
| CN109009326A (en) * | 2018-08-27 | 2018-12-18 | 恩脉（上海）医疗科技有限公司 | One kind taking bolt device system |
| CN109640843A (en) * | 2016-08-29 | 2019-04-16 | 泰尔茂株式会社 | Medical instrument and method of disposal |
| CN209316011U (en) * | 2018-11-20 | 2019-08-30 | 上海市肺科医院 | A kind of puncture needle that can accurately adjust negative pressure |
| WO2019176536A1 (en) * | 2018-03-13 | 2019-09-19 | テルモ株式会社 | Removal device and removal system |
| CN209678625U (en) * | 2018-12-26 | 2019-11-26 | 苏州博欣医疗科技有限公司 | One kind is novel to take bolt bracket and thrombus withdrawing device |
| CN112022282A (en) * | 2019-06-04 | 2020-12-04 | 苏州博欣医疗科技有限公司 | Toper is got and is tied support and thrombus remove device |
| CN112472210A (en) * | 2020-12-15 | 2021-03-12 | 上海融脉医疗科技有限公司 | Thrombus crushing and collecting mechanism of thrombus capturing and removing catheter device |
-
2021
- 2021-07-01 CN CN202110746309.5A patent/CN113456173A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050004594A1 (en) * | 2003-07-02 | 2005-01-06 | Jeffrey Nool | Devices and methods for aspirating from filters |
| CN101389289A (en) * | 2005-12-28 | 2009-03-18 | 弗里·格里马诺维奇·安德烈耶夫 | Set for preventing a lung artery thrombembolia and an intravenous filter |
| US20100204712A1 (en) * | 2009-02-11 | 2010-08-12 | Mark Mallaby | Neurovascular microcatheter device, system and methods for use thereof |
| US20120130395A1 (en) * | 2010-11-19 | 2012-05-24 | Gil Vardi | Percutaneous thrombus extraction device and method |
| CN104053410A (en) * | 2011-10-05 | 2014-09-17 | 半影公司 | System and method for treating ischemic stroke |
| CN106413593A (en) * | 2014-03-04 | 2017-02-15 | 莱克马克医学公司 | Intravascular thromboembolectomy device having a plurality of clot engaging elements |
| CN106413572A (en) * | 2014-05-09 | 2017-02-15 | 东丽株式会社 | Endovascular treatment assistance tool |
| CN204972542U (en) * | 2015-09-09 | 2016-01-20 | 广州德米医用设备有限公司 | Take limit structure's injection device |
| CN108472051A (en) * | 2015-10-26 | 2018-08-31 | 阿姆尼斯治疗有限公司 | System for thrombectomy |
| CN105877814A (en) * | 2016-03-28 | 2016-08-24 | 西南医科大学附属医院 | Negative pressure puncture needle cylinder with adjustable pressure |
| WO2018043281A1 (en) * | 2016-08-29 | 2018-03-08 | テルモ株式会社 | Suction system and treatment method |
| CN109640843A (en) * | 2016-08-29 | 2019-04-16 | 泰尔茂株式会社 | Medical instrument and method of disposal |
| CN106725724A (en) * | 2017-01-24 | 2017-05-31 | 中国人民解放军第四军医大学 | Thrombolysis drainage set |
| CN207136886U (en) * | 2017-03-06 | 2018-03-27 | 山西医科大学 | Intravascular Thrombus removal device |
| CN207785228U (en) * | 2017-05-08 | 2018-08-31 | 上海形状记忆合金材料有限公司 | Polydisc takes bolt device and its conveying device |
| CN107468307A (en) * | 2017-09-08 | 2017-12-15 | 邵秋季 | A kind of blood vessel takes glue catching device and arrests component |
| WO2019176536A1 (en) * | 2018-03-13 | 2019-09-19 | テルモ株式会社 | Removal device and removal system |
| CN109009326A (en) * | 2018-08-27 | 2018-12-18 | 恩脉（上海）医疗科技有限公司 | One kind taking bolt device system |
| CN209316011U (en) * | 2018-11-20 | 2019-08-30 | 上海市肺科医院 | A kind of puncture needle that can accurately adjust negative pressure |
| CN209678625U (en) * | 2018-12-26 | 2019-11-26 | 苏州博欣医疗科技有限公司 | One kind is novel to take bolt bracket and thrombus withdrawing device |
| CN112022282A (en) * | 2019-06-04 | 2020-12-04 | 苏州博欣医疗科技有限公司 | Toper is got and is tied support and thrombus remove device |
| CN112472210A (en) * | 2020-12-15 | 2021-03-12 | 上海融脉医疗科技有限公司 | Thrombus crushing and collecting mechanism of thrombus capturing and removing catheter device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108013918B (en) | One kind takes bolt conduit | |
| EP3646806B1 (en) | Mechanical thrombus removal device | |
| US20190239910A1 (en) | A clot retrieval system for removing occlusive clot from a blood vessel | |
| CN112472210A (en) | Thrombus crushing and collecting mechanism of thrombus capturing and removing catheter device | |
| WO2022020366A3 (en) | Devices and methods for aspiration of thrombus | |
| CN110141303A (en) | For broken bolt and the instrument of aspirate thrombi | |
| CN113456173A (en) | Cerebral nerve and blood vessel thrombus removing device | |
| CN209136779U (en) | A kind of double-layer structure takes pin device | |
| CN214342506U (en) | Thrombus crushing and collecting mechanism of thrombus capturing and removing catheter device | |
| CN206333945U (en) | A kind of bidirectional protective takes bolt device | |
| CN215129581U (en) | Two-stage release bolt taking device | |
| WO2024109274A1 (en) | Plaque treatment device | |
| CN211511951U (en) | Intracranial venous thrombus extraction device | |
| CN212261449U (en) | Thrombus removing device | |
| EP3031412B1 (en) | Catheter with a collection chamber | |
| CN210903224U (en) | Thrombus integral removing device | |
| CN107789679A (en) | A kind of extraventricular drainage and hematoma clearance device | |
| CN208404743U (en) | One kind taking bolt conduit | |
| CN214342499U (en) | Active high-frequency vibration intracranial thrombus suction catheter device | |
| CN113456172B (en) | Inflatable near-end thrombus taking catheter | |
| CN105326487A (en) | Arterial indwelling needle provided with hemostasis valve and replaceable negative-pressure blood return cavity | |
| CN218739064U (en) | Minimally invasive thrombus taking device for pulmonary artery embolism | |
| CN110974350B (en) | Bolt taking system | |
| CN205339015U (en) | Atrium diverging device | |
| CN208958924U (en) | Femoral artery shunting perfusion tube |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211001 |
|
| RJ01 | Rejection of invention patent application after publication |