CN111557705B - Be applied to cleaning device of thrombus that easily drops in blood vessel - Google Patents
Be applied to cleaning device of thrombus that easily drops in blood vessel Download PDFInfo
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- CN111557705B CN111557705B CN202010411989.0A CN202010411989A CN111557705B CN 111557705 B CN111557705 B CN 111557705B CN 202010411989 A CN202010411989 A CN 202010411989A CN 111557705 B CN111557705 B CN 111557705B
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- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 94
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 64
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 5
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- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010003178 Arterial thrombosis Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 208000001435 Thromboembolism Diseases 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
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- 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
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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
- 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
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Abstract
The invention discloses a cleaning device applied to thrombus easily falling in a blood vessel, which comprises an intervention tube, wherein the intervention end of the intervention tube is provided with a first telescopic tube, the first telescopic tube can be telescopic along the axial direction of the intervention tube, one end of the first telescopic tube is connected with the intervention tube, the other end of the first telescopic tube is provided with a connecting block, and a plurality of elastic baffles are arranged between the connecting block and the intervention tube; intervene and still be equipped with a plurality of interior faggings on the circumference outer wall of pipe, interior fagging one end is articulated with intervene the pipe, and the other end is equipped with interior vaulting ball, and interior fagging all is equipped with movable assembly between the pipe with intervene, all is equipped with in the interior fagging to have elastic first fly leaf, is equipped with in the first fly leaf to have elastic second fly leaf, still is equipped with the export that matches with first fly leaf on the first fly leaf. When the thrombus easy to move in the blood vessel is cleaned, the blood vessel can be expanded, the thrombus is prevented from being pushed to move in the blood vessel, and the thrombus is conveniently and quickly cleaned out of the blood vessel.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a cleaning device applied to thrombus easy to fall off in blood vessels.
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, thrombus is composed of insoluble fibrin-deposited platelets, accumulated leukocytes and entrapped erythrocytes, and thrombus formation is a multifactorial process of change that is influenced by the interaction of a set of genetic and environmental factors. The clinical common thrombus patients are mainly characterized by familial inheritance, recurrent attacks, symptom severity, abnormality of thrombus formation parts and younger onset time, and doubts that arterial or venous thrombosis or thromboembolism needs to be objectively diagnosed according to angiography are the reference standards for diagnosis, but ultrasonic detection operated by skilled skills can also be used for examining superficial blood vessels and hearts.
At present, current thrombus cleaning equipment is when clearing up the thrombus in the blood vessel, the most advanced section that utilizes equipment usually passes the thrombus piece in the blood vessel, then utilize most advanced expandable metal mesh to move back, the pulling thrombus piece follows and moves together, thereby reach the purpose to the clearance of endovascular thrombus, but when being directed against the thrombus that easily drops from the vascular inner wall, because be netted metallic structure after having set up the inflation on the tip, also have certain thickness when it does not expand, consequently when passing the thrombus that easily drops, be difficult for passing the thrombus smoothly, promote the thrombus to remove in the blood vessel easily, thereby lead to the thrombus unable smooth taking out. .
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a cleaning device applied to thrombus easy to fall off in a blood vessel, which can expand the blood vessel when cleaning the thrombus easy to move in the blood vessel, avoids pushing the thrombus to move in the blood vessel and is convenient for quickly cleaning the thrombus from the blood vessel.
The invention is realized by the following technical scheme:
a cleaning device applied to thrombus easily falling off in a blood vessel comprises an intervention tube, wherein a first telescopic tube is arranged at the intervention end of the intervention tube and can stretch out and draw back along the axial direction of the intervention tube, one end of the first telescopic tube is connected with the intervention tube, a connecting block is arranged at the other end of the first telescopic tube, a plurality of elastic baffles are arranged between the connecting block and the intervention tube, the baffles are distributed on the outer wall of the circumference of the first telescopic tube in a circular ring array around the axis of the first telescopic tube, and the baffles can be bent along the radial direction of the first telescopic tube; the intervention tube is characterized in that a plurality of inner supporting plates are further arranged on the circumferential outer wall of the intervention tube, the inner supporting plates are distributed on the circumferential outer wall of the intervention tube in a circular ring array around the axis of the intervention tube, one end of each inner supporting plate is hinged with the intervention tube, the other end of each inner supporting plate is provided with an inner supporting ball, the inner supporting balls are located on the outer side of the baffle, movable assemblies are arranged between the inner supporting plates and the intervention tube, and the movable assemblies can push the inner supporting plates to move around the hinged positions of the inner supporting plates and the intervention tube along the radial direction of the intervention tube; the inner supporting plate is internally provided with first movable plates with elasticity, the first movable plates can penetrate through the inner supporting balls to move towards the direction away from the inner supporting balls, the first movable plates are internally provided with second movable plates with elasticity, the first movable plates are also provided with outlets matched with the second movable plates, the outlets face the direction of the first telescopic pipe, and the second movable plates can move towards the axial direction of the first telescopic pipe through the outlets.
Aiming at the problems that when the existing equipment is used for cleaning thrombus in a blood vessel, a puncture rod with a sharp end is usually adopted to penetrate through the thrombus, then the expanded reticular metal wire on the sharp end is used for pulling the thrombus and quickly pulling the thrombus out of the blood vessel, but when the thrombus is not stably attached to the inner wall of the blood vessel, because the expanded reticular metal wire is arranged on the outer wall of the sharp end for penetrating through the thrombus, although the metal wire is not expanded during puncture, the metal wire has a certain thickness, when the sharp end penetrates through the thrombus, the thrombus is easily pushed to move in the blood vessel, and the thrombus cannot be normally pulled out of the blood vessel, therefore, the technical scheme is that a plurality of inner supporting plates are arranged on the circumferential outer wall of an intervention tube, the inner supporting plates are uniformly distributed on the outer wall of the intervention tube, and an activity assembly is arranged to push the inner supporting plates to expand the extension tube towards the far direction, the function and the inner wall of the blood vessel are forced to expand, the inner diameter of the blood vessel is temporarily changed, because the thrombus is in a state of easy falling, the thrombus is not stably connected with the inner wall of the blood vessel, when the blood vessel is expanded, the thrombus is not easy to expand along with the thrombus, a certain gap is formed between the thrombus and the inner wall of the blood vessel, then a first movable plate arranged in an inner supporting plate is utilized to penetrate through the gap formed between the thrombus and the inner wall of the blood vessel, the changed thrombus is quickly bypassed, the thrombus reaches the back of the thrombus, then a second movable plate arranged in the first movable plate is utilized to extend out of the first movable plate and approach towards the middle in the radial direction of a telescopic pipe, the blood vessel behind the thrombus is temporarily blocked by a plurality of second movable plates, meanwhile, the first telescopic pipe arranged in the technical scheme is utilized to force a connecting block to move towards the direction of an intervention pipe, and then each baffle plate arranged between the connecting block and the intervention, force the external diameter of baffle department section big really for the front end to the thrombus blocks, finally, with first fly leaf certain distance of retracting in toward the interior fagging, force the second fly leaf on the first fly leaf to remove towards the baffle direction, the second fly leaf is at the in-process that removes, promote the thrombus and then remove together towards the baffle direction, finally concentrate the thrombus between second fly leaf and baffle, the pipe is intervene in the pulling, this device that will collect the thrombus takes out from the blood vessel, just accomplished the quick clearance to the thrombus of easy removal.
Furthermore, still be equipped with first air duct in the intervention pipe to first air duct runs through intervention pipe and first flexible pipe intercommunication. Still be equipped with first elastic component between connecting block and the intervention pipe, the both ends of first elastic component respectively with connecting block and intervention union coupling to first elastic component overlaps on first flexible pipe.
The first air duct that sets up is connected with external air pump, utilize external air pump to carry high-pressure gas in to first guide tube, because the first flexible pipe that sets up is the bellows, when external high-pressure gas enters into in the bellows, can force the bellows by tensile, make and intervene the interval increase between pipe and the connecting block, thereby make the baffle be in the tensile state, the crookedness of baffle is less, the external diameter of the cylinder section that each baffle is constituteed this moment is less, so during the initial condition, first flexible pipe is in the tensile state, when entering into to the blood vessel, when needing to enlarge the external diameter that the baffle constitutes the cylinder section, through the gas in the first flexible pipe of discharging, under the effect of first elastic component, the pulling connecting block removes towards the pipe direction of interveneeing, thereby make the crookedness of baffle increase gradually, the increase baffle is to the area that blocks of thrombus.
Furthermore, the movable assembly comprises a second telescopic pipe and a second elastic part, one end of the second telescopic pipe is connected with the inner supporting plate, the other end of the second telescopic pipe is communicated with the interior of the intervention pipe, the second elastic part is sleeved on the second telescopic pipe, and two ends of the second elastic part are respectively connected with the inner supporting plate and the intervention pipe.
The movable assembly is used for adjusting the outward expansion size of the inner support plate, the intervention tube is also connected with an external air pump, when air is introduced into the intervention tube, high-pressure air enters the second telescopic tube, the second telescopic tube is also a corrugated tube, so that the corrugated tube is stretched towards the direction away from the intervention tube, the inner support plate is further pushed to expand outwards around the hinged position with the intervention tube, the inner diameter of the blood vessel is enlarged, a certain gap is formed between the thrombus and the inner wall of the blood vessel, and the first movable plate is ensured to smoothly pass through the gap between the thrombus and the inner wall of the blood vessel and reach the back of the thrombus; when the expansion range of the inner supporting plate needs to be reduced, the gas in the second telescopic pipe is discharged, and the inner supporting plate can be pulled to move towards the direction of the insertion plate under the action of the second elastic piece, so that the expansion range of the inner supporting plate is reduced.
Further, be equipped with the first cavity that matches with first fly leaf in the interior kicking plate, first fly leaf one end is located the first cavity, and the other end runs through interior kicking ball, still be equipped with the fourth elastic component in the first cavity, the fourth elastic component is connected with first fly leaf to when the fourth elastic component is in the non-tensile state, first fly leaf does not stretch out outside interior kicking ball. The second air duct extends into the inner support plate and is communicated with the first cavity.
In order to avoid that the first movable plate pushes the thrombus to move when the blood vessel is not expanded, a first cavity for placing the first movable plate is arranged in the inner supporting plate, when the blood vessel is expanded by the inner supporting plate, high-pressure gas is introduced into the first cavity by using the second gas guide tube, the gas pushes the first movable plate to move in the first cavity, so that the first movable plate is forced to pull the fourth elastic part and extend out of the inner supporting ball to penetrate through a gap between the thrombus and the blood vessel and quickly reach the back of the thrombus; when the first movable plate needs to be retracted into the inner supporting plate for a certain distance again, a part of the high-pressure gas introduced into the first cavity is discharged, and the first movable plate is pulled to be retracted into the first cavity for a certain distance under the action of the fourth elastic piece.
Further, a second cavity is further arranged in the first movable plate, an outlet in the first movable plate is communicated with the second cavity, the second movable plate is located in the second cavity, one end of the second movable plate is located in the outlet, a sealing block matched with the second cavity is arranged at the other end of the second movable plate, a third elastic piece is further arranged in the second cavity and connected with the sealing block, and when the third elastic piece is in a non-stretching state, the second movable plate does not extend out of the first movable plate. And a third air duct is also arranged in the second air duct and penetrates through the first cavity and is communicated with the second cavity.
The second movable plate is used for acting on the back of thrombus, so that when the first movable plate returns, the second movable plate can pull the thrombus to move along with the thrombus, and in order to ensure that the first movable plate is not blocked by the second movable plate when passing through the gap between the thrombus and the inner wall of the blood vessel, a second cavity for placing the first movable plate is arranged in the first movable plate, and the first movable plate can be retracted into the second cavity when passing through the gap between the thrombus and the blood vessel; when the second movable plate needs to extend out of the first movable plate, high-pressure gas is introduced into the second cavity through the third gas guide pipe, enters the second cavity, forces the second movable plate to pull the third elastic piece and extends out of the outlet of the first movable plate, and guides the second movable plate through the arranged outlet, so that the second movable plate can be ensured to be drawn towards the middle; and the third elastic piece is used for smoothly retracting the second movable plate into the second cavity.
Furthermore, a tip is further arranged at the tail end of the second movable plate far away from the direction of the sealing block.
This technical scheme is when the thrombus to the comparatively long section of clearance, when the length of thrombus is greater than the length of first fly leaf among this technical scheme, the pointed end on the utilization second fly leaf can carry out clearance a plurality of times a pair of thrombus one by one, during the use, when first fly leaf reachs the longest distance, stretch out the second fly leaf from first fly leaf in, the pointed end that utilizes on the second fly leaf punctures the thrombus, guarantee that the second fly leaf can remove along the radial direction of thrombus smoothly, carry out radial cutting off with great thrombus, the impaired risk of thrombus has been reduced simultaneously.
Furthermore, a first channel and a second channel which are matched with the first movable plate are arranged in the inner supporting ball, an included angle formed between the first channel and the second channel is theta, the theta is larger than 90 degrees and smaller than 180 degrees, and the maximum angle formed by the inner supporting plate and the intervening tube is when the axis of the first channel is parallel to the axis of the telescopic tube.
Because the interior backup pad that sets up rotates round the articulated department with intervene the pipe, when the gradual outwards expanding of interior backup pad is opened, can remove along blood vessel inner wall direction in order to guarantee the first fly leaf that sets up, so set up two first passageways and the second passageway that are not on same straight line in the interior ball that props, it moves the orbit and keeps unanimous with the blood vessel direction to force its removal orbit of first fly leaf that stretches out from the interior ball that props, the interior ball that props that sets up among this technical scheme is used for playing certain guard action to the blood vessel inner wall on the one hand, reduce the damage to the blood vessel inner wall, the other party can play certain guide effect to first fly leaf, guarantee that first fly leaf can stretch out along the blood vessel direction.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a cleaning device applied to thrombus easy to fall off in a blood vessel, which can expand the blood vessel by utilizing an inner supporting plate when cleaning the thrombus easy to fall off from the inner wall of the blood vessel, so that a certain gap is formed between the inner wall of the blood vessel and the thrombus, then a first movable plate arranged in the inner supporting plate penetrates through the gap and extends into the back of the thrombus, then a second movable plate extends out of the first movable plate and is used for blocking the back of the thrombus, meanwhile, a baffle arranged in front of the thrombus is matched to block the front of the thrombus, the thrombus is smoothly limited between the second movable plate and the baffle, and finally the thrombus easy to fall off is quickly taken out of the blood vessel;
2. according to the cleaning device applied to thrombus in blood vessels, the curvature of the baffle can be adjusted by using the first telescopic pipe, so that the contact area between the baffle and the thrombus is increased, and the cleaning effect on the thrombus is improved;
3. when long sections of thrombus are cleaned, the tips arranged at the end parts of the second baffles can cut off the thrombus in the radial direction, the long sections of thrombus can be cleaned one by one for multiple times, and meanwhile, the thrombus can be prevented from being damaged to small pieces;
4. according to the cleaning device applied to thrombus easily falling in the blood vessel, the inner wall of the blood vessel can be protected by the arranged inner support ball, so that the damage to the inner wall of the blood vessel is reduced, and the second movable plate can be guided to a certain extent to ensure that the second movable plate moves along the axial direction of the inner wall of the blood vessel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the present invention;
FIG. 3 is a schematic structural view of the second movable plate of the present invention when it is extended;
fig. 4 is a schematic structural view of an inner supporting plate according to the present invention;
FIG. 5 is a schematic structural diagram of a second movable plate according to the present invention;
FIG. 6 is a schematic structural view of the inner supporting ball of the present invention.
Reference numbers and corresponding part names in the drawings:
1-connecting block, 2-first telescopic pipe, 3-first elastic member, 4-second telescopic pipe, 5-second elastic member, 6-first air duct, 7-intervention pipe, 8-second air duct, 9-first movable plate, 10-inner support ball, 11-baffle, 12-inner support plate, 13-second movable plate, 14-sealing block, 15-third elastic member, 16-fourth elastic member, 17-third air duct, 18-tip, 19-first channel, 20-second channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 to 6, the clearing device applied to thrombus easily falling off in blood vessels of the present invention comprises an intervention tube 7, wherein an intervention end of the intervention tube 7 is provided with a first extension tube 2, the first extension tube 2 can extend and retract along an axial direction of the intervention tube 7, one end of the first extension tube 2 is connected with the intervention tube 7, the other end of the first extension tube 2 is provided with a connection block 1, a plurality of elastic baffles 11 are arranged between the connection block 1 and the intervention tube 7, the baffles 11 are distributed on a circumferential outer wall of the first extension tube 2 in a circular array around an axis of the first extension tube 2, and the baffles 11 can bend along a radial direction of the first extension tube 2; a plurality of inner supporting plates 12 are further arranged on the circumferential outer wall of the intervention tube 7, the inner supporting plates 12 are distributed on the circumferential outer wall of the intervention tube 7 in a circular array around the axis of the intervention tube 7, one end of each inner supporting plate 12 is hinged to the intervention tube 7, the other end of each inner supporting plate 12 is provided with an inner supporting ball 10, the inner supporting balls 10 are located on the outer side of the baffle 11, movable assemblies are arranged between the inner supporting plates 12 and the intervention tube 7 and can push the inner supporting plates 12 to move around the hinged position of the intervention tube 7 along the radial direction of the intervention tube 7; the inner supporting plates 12 are internally provided with first movable plates 9 with elasticity, the first movable plates 9 can penetrate through the inner supporting balls 10 to move towards the direction away from the inner supporting balls 10, the first movable plates 9 are internally provided with second movable plates 13 with elasticity, the first movable plates are also provided with outlets matched with the second movable plates 13, the outlets face the direction of the first telescopic pipe 2, and the second movable plates 13 can move towards the axial direction of the first telescopic pipe 2 through the outlets.
Example 2
On the basis of the embodiment 1, a first air duct 6 is further arranged in the intervention tube 7, and the first air duct 6 penetrates through the intervention tube 7 and is communicated with the first extension tube 2.
Example 3
On the basis of embodiment 1, a first elastic member 3 is further arranged between the connecting block 1 and the intervention tube 7, two ends of the first elastic member 3 are respectively connected with the connecting block 1 and the intervention tube 7, and the first elastic member 3 is sleeved on the first extension tube 2.
Example 4
On the basis of embodiment 1, the movable assembly comprises a second telescopic pipe 4 and a second elastic member 5, one end of the second telescopic pipe 4 is connected with an inner supporting plate 12, the other end of the second telescopic pipe is communicated with the inside of an intervention pipe 7, the second elastic member 5 is sleeved on the second telescopic pipe 4, and two ends of the second elastic member 5 are respectively connected with the inner supporting plate 12 and the intervention pipe 7.
Example 5
On the basis of embodiment 1, a first cavity matched with the first movable plate 9 is arranged in the inner supporting plate 12, one end of the first movable plate 9 is located in the first cavity, the other end of the first movable plate penetrates through the inner supporting ball 10, a fourth elastic member 16 is further arranged in the first cavity, the fourth elastic member 16 is connected with the first movable plate 9, and when the fourth elastic member 16 is in a non-stretching state, the first movable plate 9 does not extend out of the inner supporting ball 10.
Example 6
On the basis of embodiment 1, the gas-liquid separation device further comprises a second gas-liquid guide tube 8, and the second gas-liquid guide tube 8 extends into the inner supporting plate 12 and is communicated with the first cavity.
Example 7
On the basis of embodiment 6, a second cavity is further disposed in the first movable plate 9, the outlet of the first movable plate 9 is communicated with the second cavity, the second movable plate 13 is located in the second cavity, one end of the second movable plate 13 is located in the outlet, a sealing block 14 matched with the second cavity is disposed on the other end of the second movable plate 13, a third elastic member 15 is further disposed in the second cavity, the third elastic member 15 is connected with the sealing block 14, and when the third elastic member 1 is in a non-stretching state, the second movable plate 13 does not extend out of the first movable plate 9.
Example 8
On the basis of embodiment 7, a third air duct 17 is further arranged in the second air duct 8, and the third air duct 17 penetrates through the first cavity and is communicated with the second cavity.
Example 9
On the basis of the embodiment 7, the tip 18 is further provided on the end of the second movable plate 13 away from the sealing block 14.
Example 10
On the basis of the embodiment 1, a first channel 19 and a second channel 20 matched with the first movable plate 9 are arranged in the inner supporting ball 10, an included angle formed between the first channel 19 and the second channel 20 is theta, theta is larger than 90 degrees and smaller than 180 degrees, and a maximum angle formed by the inner supporting plate 12 and the insertion tube 7 is when the axis of the first channel 19 is parallel to the axis of the telescopic tube 2.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The cleaning device is applied to thrombus easily falling in a blood vessel, and is characterized by comprising an intervention pipe (7), wherein the intervention end of the intervention pipe (7) is provided with a first telescopic pipe (2), the first telescopic pipe (2) can stretch along the axial direction of the intervention pipe (7), one end of the first telescopic pipe (2) is connected with the intervention pipe (7), the other end of the first telescopic pipe is provided with a connecting block (1), a plurality of elastic baffles (11) are arranged between the connecting block (1) and the intervention pipe (7), the baffles (11) are distributed on the outer wall of the circumference of the first telescopic pipe (2) in a circular ring array manner around the axis of the first telescopic pipe (2), and the baffles (11) can bend along the radial direction of the first telescopic pipe (2); the outer wall of the circumference of the intervention pipe (7) is further provided with a plurality of inner supporting plates (12), the inner supporting plates (12) are distributed on the outer wall of the circumference of the intervention pipe (7) in a circular array around the axis of the intervention pipe (7), one end of each inner supporting plate (12) is hinged to the intervention pipe (7), the other end of each inner supporting plate is provided with an inner supporting ball (10), the inner supporting balls (10) are located on the outer side of the baffle (11), movable assemblies are arranged between the inner supporting plates (12) and the intervention pipe (7), and the movable assemblies can push the inner supporting plates (12) to move around the hinged positions of the inner supporting plates and the intervention pipe (7) along the radial direction of the intervention pipe (7); the inner supporting plates (12) are internally provided with first movable plates (9) with elasticity, the first movable plates (9) can penetrate through the inner supporting balls (10) to move towards the direction far away from the inner supporting balls (10), the first movable plates (9) are internally provided with second movable plates (13) with elasticity, the first movable plates are also provided with outlets matched with the second movable plates (13), the outlets face the direction of the first telescopic pipe (2), and the second movable plates (13) can move towards the axial direction of the first telescopic pipe (2) through the outlets; a first cavity matched with the first movable plate (9) is arranged in the inner supporting plate (12), one end of the first movable plate (9) is located in the first cavity, the other end of the first movable plate penetrates through the inner supporting ball (10), a fourth elastic part (16) is further arranged in the first cavity, the fourth elastic part (16) is connected with the first movable plate (9), and when the fourth elastic part (16) is in a non-stretching state, the first movable plate (9) does not extend out of the inner supporting ball (10); still include second air duct (8), second air duct (8) stretch into in interior fagging (12) with first cavity intercommunication, still be equipped with the second cavity in first fly leaf (9), export and second cavity intercommunication on first fly leaf (9), second fly leaf (13) are located the second cavity, second fly leaf (13) one end is located the export, is equipped with on the other end with second cavity assorted sealing block (14), still be equipped with third elastic component (15) in the second cavity to third elastic component (15) are connected with sealing block (14), and when third elastic component (15) were in the non-stretching state, second fly leaf (13) did not stretch out outside first fly leaf (9).
2. The clearing device applied to the thrombus easily falling off in the blood vessel according to claim 1, wherein a first air duct (6) is further arranged in the intervention tube (7), and the first air duct (6) penetrates through the intervention tube (7) and is communicated with the first telescopic tube (2).
3. The clearing device applied to thrombus liable to fall off in blood vessel according to claim 1, characterized in that a first elastic member (3) is further arranged between the connecting block (1) and the intervention tube (7), two ends of the first elastic member (3) are respectively connected with the connecting block (1) and the intervention tube (7), and the first elastic member (3) is sleeved on the first telescopic tube (2).
4. The cleaning device for thrombus easily falling off in blood vessel according to claim 1, wherein the movable assembly comprises a second telescopic pipe (4) and a second elastic member (5), one end of the second telescopic pipe (4) is connected with the inner support plate (12), the other end is communicated with the inside of the intervention pipe (7), the second elastic member (5) is sleeved on the second telescopic pipe (4), and two ends of the second elastic member (5) are respectively connected with the inner support plate (12) and the intervention pipe (7).
5. The clearing device applied to thrombus liable to fall off in blood vessel according to claim 1, wherein a third air duct (17) is further arranged in the second air duct (8), and the third air duct (17) penetrates through the first cavity and is communicated with the second cavity.
6. A cleaning device for thrombus easily falling off in blood vessel according to claim 1, wherein the end of the second movable plate (13) far away from the sealing block (14) is further provided with a tip (18).
7. The clearing device applied to thrombus easily falling off in blood vessel according to claim 1, characterized in that a first channel (19) and a second channel (20) matched with the first movable plate (9) are arranged in the inner supporting ball (10), an included angle formed between the first channel (19) and the second channel (20) is theta, theta is larger than 90 degrees and smaller than 180 degrees, and the maximum angle formed by the inner supporting plate (12) and the intervention tube (7) is when the axis of the first channel (19) is parallel to the axis of the extension tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411989.0A CN111557705B (en) | 2020-05-15 | 2020-05-15 | Be applied to cleaning device of thrombus that easily drops in blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411989.0A CN111557705B (en) | 2020-05-15 | 2020-05-15 | Be applied to cleaning device of thrombus that easily drops in blood vessel |
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| Publication Number | Publication Date |
|---|---|
| CN111557705A CN111557705A (en) | 2020-08-21 |
| CN111557705B true CN111557705B (en) | 2021-04-13 |
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| CN202010411989.0A Expired - Fee Related CN111557705B (en) | 2020-05-15 | 2020-05-15 | Be applied to cleaning device of thrombus that easily drops in blood vessel |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6679893B1 (en) * | 2000-11-16 | 2004-01-20 | Chestnut Medical Technologies, Inc. | Grasping device and method of use |
| US7678119B2 (en) * | 2003-01-15 | 2010-03-16 | Scimed Life Systems, Inc. | Medical retrieval device with frangible basket |
| EP3485824A3 (en) * | 2011-10-04 | 2019-08-07 | Angioworks Medical B.V. | Devices for percutaneous endarterectomy |
| ES2577288B8 (en) * | 2015-01-13 | 2019-01-10 | Anaconda Biomed S L | Device for thrombectomy |
| CN109330660A (en) * | 2018-10-17 | 2019-02-15 | 深圳达芬奇创新科技有限公司 | A kind of blood vessel depths blood lipid rubbish medical treatment cleaning assembly |
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| CN111557705A (en) | 2020-08-21 |
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