CN113397652B - Minimally invasive vascular embolism removing device for cardiovascular surgery - Google Patents
Minimally invasive vascular embolism removing device for cardiovascular surgery Download PDFInfo
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- CN113397652B CN113397652B CN202110487583.5A CN202110487583A CN113397652B CN 113397652 B CN113397652 B CN 113397652B CN 202110487583 A CN202110487583 A CN 202110487583A CN 113397652 B CN113397652 B CN 113397652B
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- 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
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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 minimally invasive vascular embolism removing device for cardiovascular surgery, and belongs to the field of medical instruments. Including inflation section, hydrant section, main silk, extension pipe and conical head, main silk left end fixed mounting has the rotary joint, and the rotary joint left end connects soon through the screw thread and installs the conical head, main silk outside right part cover is established and is installed the extension pipe, and extension pipe left end and conical head left end connect soon through the screw thread and install the inflation section. The thrombus dissolving device is reasonable in structural design, can cut off thrombus dissolution, avoids thrombus from being left in blood vessels, is matched with the micro-motion mechanical thrombus scraping and drug thrombolysis, is continuously washed to avoid residue caused by incomplete washing, is more efficient in thrombus dissolution, is small and slight in action amplitude after being unfolded, avoids damage to the blood vessels, is safer and has high practicability.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a minimally invasive vascular embolism clearing device for cardiovascular surgery.
Background
The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents, calibrators, materials and other similar or related articles which are directly or indirectly used for human bodies and are used for diagnosing, preventing, monitoring, treating or relieving diseases, and the cardiovascular embolism operation is to remove blood lipid clots or fragments on the inner wall of a blood vessel and ensure the smoothness of the blood vessel.
Through retrieval, the patent with the Chinese patent authorization number of CN110801266A discloses a blood vessel dredging device and a blood vessel dredging cleaner, wherein in use, a plug of the inner wall of a blood vessel is rubbed off by a rotationally-expanded plug, the inner wall of the blood vessel is inevitably abraded and damaged, the blood vessel is easily rotated and twisted to cause unpredictable results, meanwhile, the expansion degree is uncontrollable, the applicability to blood vessels with different thicknesses is poor, the truncation distance is short, and a small amount of blood in the middle cannot ensure that thrombus is extracted;
simultaneously chinese patent grant number is CN 111887935A's patent, discloses a blood vessel mediation cleaning device, in use, draws out the thrombus from minimal access opening position through expanded fibril and sacculus, but when carrying out the puncture, can't carry out nimble direction control to in the pulling, can cause the wearing and tearing injury to the blood vessel, and in crooked position, fibril can insert the risk at the vascular inner wall, can't realize drawing out, and can't ensure the thrombus can not broken leave over in the blood vessel at the in-process of pulling.
Disclosure of Invention
The invention aims to solve the problems that the inner wall of a blood vessel is damaged, the puncture direction is not flexibly controlled, the position of thrombus is not closed, the thrombus is easy to spill to other positions of the blood vessel, the thrombus is not completely taken out and the like in the prior art, and provides a minimally invasive blood vessel embolism clearing device for cardiovascular surgery.
In order to achieve the purpose, the invention adopts the following technical scheme:
a minimally invasive vascular embolism clearing device for cardiovascular surgery comprises an expansion section, a embolism extinguishing section, a main thread, an extension pipe and a conical head, wherein a rotary joint is fixedly installed at the left end of the main thread, the conical head is installed at the left end of the rotary joint in a screwed mode through threads, the extension pipe is installed at the right portion of the outer side of the main thread in a sleeved mode, the expansion section is installed at the left end of the extension pipe and the right end of the conical head in a screwed mode through threads, the embolism extinguishing section is installed between the two expansion sections in an assembled mode, the expansion section and the embolism extinguishing section are installed on the outer side of the main thread in a sliding sleeved mode, pipe grooves which are symmetrically arranged are formed in the side wall of the main thread, a liquid supply pipe is installed in the pipe groove in the upper portion of the front side in an embedded mode, a first one-way valve is fixedly installed at the end portion of the liquid supply pipe, a liquid discharge pipe is installed in the pipe groove in the lower portion of the rear side in an embedded mode, a second one-way valve is installed at the end portion of the liquid discharge pipe, the first one-way valve and the second one-way valve penetrate through the inner wall of the middle portion of the embolism extinguishing section, the rotary joint is characterized in that the right end of the rotary joint is fixedly provided with control wires which are symmetrically arranged, the outer wall of each main wire is provided with a groove matched with the control wires, the side wall of each main wire is embedded with a pressing sheet matched with the control wires, and the outer side of each main wire is positioned on the inner side of the expansion section and sleeved with a limiting ring.
Preferably, the expansion section comprises a rubber sleeve pressing ring, a rubber sleeve, a middle ring, a connecting ring, a spring wire, a pressure plate, a threaded ring, a ball head, a penetrating sleeve and a tooth key bulge, the outer side of the threaded ring is sleeved with the middle ring which is fixedly installed, the outer side of the middle ring is sleeved with the rubber sleeve pressing ring which is installed in a compression joint mode, the rubber sleeve is installed between the rubber sleeve pressing ring and the middle ring in a compression joint mode, the two ends of the rubber sleeve are respectively provided with the rubber sleeve pressing ring and the middle ring, the side wall of the rubber sleeve pressing ring is fixedly provided with the tooth key bulge which is tightly compressed with the rubber sleeve, the middle part of the threaded ring is provided with the penetrating sleeve in a penetrating and inserting mode, the end part of the penetrating sleeve is rotatably compressed with the pressure plate, the spring wire is installed between the pressure plate and the middle ring in a compression joint mode, the end part of the spring wire is fixedly installed with the ball head, the middle part of the rotating joint is fixedly installed with the connecting ring, the outer wall of the connecting ring is fixedly connected with the inner wall of the middle part of the rubber cylinder.
Preferably, the hydrant section comprises an outer sleeve, a scraping wire ring, a mesh sheet, an end ring, an inner sleeve, a support rod, a middle sleeve, a spring, a sealing ring, a spring seat and a collecting cavity, wherein the collecting cavity is formed in the middle of the middle sleeve, the first check valve and the second check valve penetrate through the inner wall of the middle sleeve and are communicated with the collecting cavity, the mesh sheets which are symmetrically arranged are fixedly installed on the outer side wall of the middle sleeve, the inner sleeve which is bilaterally symmetrical is slidably installed on the inner side of the middle sleeve, the end ring is fixedly installed at the end part of the inner sleeve, the outer sleeve is fixedly installed on the outer wall of the threaded ring at the edge of the end ring, the middle part of the end ring is rotatably connected and assembled with the outer wall of the threaded ring through threads, the spring is sleeved and installed between the end ring and the middle sleeve, the spring sleeve is installed on the outer side of the inner sleeve, the spring seat is fixedly installed at the left end and the right ends of the spring, the support rod matched with the liquid supply pipe and the liquid discharge pipe is fixedly installed at the end part of the inner sleeve, both ends inlay about the intermediate sleeve and establish fixed mounting and have a sealing ring, sealing ring and overcoat inner wall sliding contact, two what the relative one end fixedly connected with equidistance of overcoat was arranged scrapes the silk, scrapes the silk middle part outside cover and establishes fixed mounting and scrape the silk ring.
Preferably, the extension pipe comprises a relay seat, an end seat, an outer pipe and an inner pipe, the inner pipe sleeve is arranged outside the main wire, the relay seat is fixedly mounted at the left end of the inner pipe, the outer pipe is fixedly mounted at the edge of the right end of the relay seat, the end seat is fixedly mounted at the right end of the outer pipe and fixedly connected with the right end of the inner pipe, and the left end of the relay seat is fixedly connected with the right end of the end ring positioned at the right end.
Preferably, the rubber cylinder pressure ring, the end ring, the relay seat, the outer tube and the outer wall of the conical head are provided with blood grooves which are arranged at equal intervals.
Preferably, the right end of the liquid supply pipe is fixedly communicated with external liquid supply equipment through a pipeline, and the right end of the liquid discharge pipe is fixedly communicated with external drainage equipment through a pipeline.
Compared with the prior art, the invention provides a minimally invasive vascular embolism clearing device for cardiovascular surgery, which has the following beneficial effects:
1. according to the minimally invasive vascular embolism removing device for the cardiovascular surgery, the control wires and the conical heads are arranged, the blood grooves are matched, the resistance of blood is reduced, the surface roughness of the device is increased, the developing condition of the device in radiography equipment is improved, the device is ensured to be more clear in development, the conical heads are subjected to direction control by matching with the tensioning and releasing of the four control wires, the puncture direction is flexibly controlled, the thrombus position is quickly reached, and the puncture efficiency is improved;
2. the minimally invasive vascular embolism clearing device for the cardiovascular surgery adapts to different internal diameters of blood vessels by arranging the expansion section and matching with the limiting ring, has strong applicability, and can block the blood vessels, prevent thrombus fragments from flowing to other positions along with blood during clearing and ensure thorough clearing;
3. this cardiovascular operation is with wicresoft's vascular embolism clearing device through setting up the section of dissolving thrombus, collocation feed tube and fluid-discharge tube, when guaranteeing that the separation is stable, in the space of wall, the mechanical scraping cooperation medicine dissolves the thrombus, can guarantee that the thrombus is thoroughly discharged, holds that suppository and thrombus can not be excessive to blood in, dissolves the thrombus more high-efficient, and the washing that lasts avoids the thrombus fragment to leave over and leads to the later stage to form new thrombus in other positions, and is safer.
The device has the advantages that the structure design is reasonable, the separation thrombolysis can be performed, the thrombus is prevented from being left in the blood vessel, the micro-mechanical thrombus scraping and the drug thrombolysis are matched, the continuous flushing is performed, the residue caused by incomplete flushing is avoided, the thrombolysis is more efficient, the structure is expanded, the action amplitude is small, the amplitude is slight, the damage to the blood vessel is avoided, the safety is higher, and the practicability is higher.
Drawings
FIG. 1 is a schematic view of a minimally invasive vascular embolization removal device for cardiovascular surgery according to the present invention;
FIG. 2 is a schematic internal view of a minimally invasive vascular embolization removal device for cardiovascular surgery according to the present invention;
FIG. 3 is an enlarged view of the middle part of a minimally invasive vascular embolism removal device for cardiovascular surgery according to the present invention;
FIG. 4 is a schematic front view of the outer sleeve, the inner sleeve, the main thread, the control member and the spring of the minimally invasive vascular embolization removal device for cardiovascular surgery according to the present invention;
FIG. 5 is a schematic cross-sectional view of the left portion of a minimally invasive vascular embolization removal device for cardiovascular surgery according to the present invention;
fig. 6 is a right schematic view of the main wire, the control wire, the pressure plate and the rotary joint in the minimally invasive vascular embolism removal device for cardiovascular surgery according to the present invention;
fig. 7 is a right-side schematic view of the inner sleeve, the support rod, the spring and the outer sleeve of the minimally invasive vascular embolism removal device for cardiovascular surgery according to the present invention;
fig. 8 is a schematic left view of the space between the liquid supply tube, the liquid discharge tube, the main thread, the middle sleeve and the mesh sheet in the minimally invasive vascular embolism removal device for cardiovascular surgery according to the present invention.
Fig. 9 is a schematic front view of the rotary joint, the limiting ring, the main wire, the rubber sleeve and the control wire in the minimally invasive vascular embolism removal device for cardiovascular surgery according to the present invention.
In the figure: the device comprises a main wire 1, a rubber sleeve pressing ring 2, an outer sleeve 3, a scraping wire 4, a scraping wire ring 5, a mesh sheet 6, an end ring 7, a relay seat 8, an end seat 9, an outer pipe 10, a rubber sleeve 11, a conical head 12, a pressing sheet 13, an intermediate ring 14, an inner sleeve 15, a control wire 16, a support rod 17, a liquid supply pipe 18, an intermediate sleeve 19, a spring 20, a connecting ring 21, a spring wire 22, a rotary joint 23, a pressing plate 24, a blood groove 25, a first check valve 26, a second check valve 27, a liquid discharge pipe 28, a sealing ring 29, a threaded ring 30, a ball head 31, a penetrating sleeve 32, a tooth key bulge 33, a pipe groove 34, a spring seat 35, a collection cavity 36, a wear-resistant ring 37, an inner pipe 38 and a limiting ring 39.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-9, a minimally invasive vascular embolism removing device for cardiovascular surgery comprises an expansion section, a thrombus eliminating section, a main thread 1, an extension pipe and a conical head 12, wherein a rotary joint 23 is fixedly installed at the left end of the main thread 1, the conical head 12 is installed at the left end of the rotary joint 23 through threaded rotary joint, the extension pipe is sleeved at the right part of the outer side of the main thread 1, the expansion sections are installed at the left end of the extension pipe and the right end of the conical head 12 through threaded rotary joint, the thrombus eliminating section is assembled and installed between the two expansion sections, the expansion section and the thrombus eliminating section are slidably sleeved and installed at the outer side of the main thread 1, pipe grooves 34 which are symmetrically arranged are formed in the side wall of the main thread 1, a liquid supply pipe 18 is embedded in the pipe groove 34 which is located at the upper part of the front side of the main thread 1, a first one-way valve 26 is fixedly installed at the end part of the liquid supply pipe 18, a liquid discharge pipe 28 is embedded in the pipe groove 34 which is located at the lower part of the rear side of the main thread 1, a second one-way valve 27 is fixedly mounted at the end of the liquid discharge pipe 28, the first one-way valve 26 and the second one-way valve 27 penetrate through the inner wall of the middle of the hydrant section, control wires 16 which are symmetrically arranged are fixedly mounted at the right end of the rotary joint 23, a groove matched with the control wires 16 is formed in the outer wall of the main wire 1, a pressing sheet 13 matched with the control wires 16 is fixedly mounted on the side wall of the main wire 1 in an embedded mode, and a limiting ring 39 is sleeved and mounted on the outer side of the main wire 1, which is located on the inner side of the expansion section.
The expansion section comprises a rubber sleeve pressing ring 2, a rubber sleeve 11, a middle ring 14, a connecting ring 21, a spring wire 22, a pressure plate 24, a threaded ring 30, a ball head 31, a penetrating sleeve 32 and a tooth key bulge 33, wherein the middle ring 14 is fixedly arranged on the outer side of the threaded ring 30 in a sleeved mode, the rubber sleeve pressing ring 2 is arranged on the outer side of the middle ring 14 in a sleeved mode, the rubber sleeve 11 is arranged between the rubber sleeve pressing ring 2 and the middle ring 14 in a pressed mode, the rubber sleeve pressing ring 2 and the middle ring 14 are arranged at two ends of the rubber sleeve 11 in a pressed mode, the tooth key bulge 33 is fixedly arranged on the side wall of the rubber sleeve pressing ring 2, the tooth key bulge 33 is tightly pressed and connected with the rubber sleeve 11 in a pressed mode, the penetrating sleeve 32 is arranged in the middle of the threaded ring 30 in a penetrating and inserting mode, the pressure plate 24 is arranged on the end of the penetrating sleeve 32 in a pressed mode, the spring wire 22 is arranged on the pressed between the pressure plate 24 and the middle ring 14 in a pressed mode, the ball head 31 is fixedly arranged on the end of the spring wire head 31, the ball head 31 is fixedly arranged on the side wall of the middle ring 14 in an embedded mode, a wear-resisting ring 37 matched with the ball head 31 is fixedly arranged on the side wall of the middle ring 14, the rotary joint 23 is in rotary compression joint with the penetrating sleeve 32 positioned at the left part, the connecting ring 21 is fixedly installed in the middle of the spring wire 22, and the outer wall of the connecting ring 21 is fixedly connected with the inner wall of the middle part of the rubber sleeve 11.
The hydrant section comprises an outer sleeve 3, a scraping wire 4, a scraping wire ring 5, a mesh sheet 6, an end ring 7, an inner sleeve 15, a support rod 17, an intermediate sleeve 19, a spring 20, a sealing ring 29, a spring seat 35 and a collecting cavity 36, wherein the collecting cavity 36 is formed in the middle of the intermediate sleeve 19, a first one-way valve 26 and a second one-way valve 27 penetrate through the inner wall of the middle of the intermediate sleeve 19 to be communicated with the collecting cavity 36, the mesh sheet 6 which is symmetrically arranged is fixedly installed on the outer side wall of the intermediate sleeve 19, the inner sleeve 15 which is bilaterally symmetrical is slidably installed on the inner side of the intermediate sleeve 19, the end ring 7 is fixedly installed at the end part of the inner sleeve 15, the outer sleeve 3 is fixedly installed at the side wall of the edge of the end ring 7, the outer wall of the end ring 7 is rotatably connected with the outer wall of the threaded ring 30 through threads, the outer sleeve 3 is positioned between the end ring 7 and the intermediate sleeve 19 and provided with the spring 20, the spring 20 is sleeved on the outer side of the inner sleeve 15, the spring 20, the spring seat 35 is fixedly installed at the left and right ends of the spring 20, the end part of the inner sleeve 15 is fixedly provided with a supporting rod 17 matched with the liquid supply pipe 18 and the liquid discharge pipe 28, the left end and the right end of the middle sleeve 19 are embedded with sealing rings 29, the sealing rings 29 are in sliding contact with the inner wall of the outer sleeve 3, the two ends of the outer sleeve 3 are fixedly connected with the scraping wires 4 which are arranged at equal intervals, and the middle outer side of each scraping wire 4 is sleeved with the scraping wire ring 5.
The extension tube comprises a relay seat 8, an end seat 9, an outer tube 10 and an inner tube 38, wherein the inner tube 38 is sleeved outside the main wire 1, the relay seat 8 is fixedly installed at the left end of the inner tube 38, the outer tube 10 is fixedly installed at the edge of the right end of the relay seat 8, the end seat 9 is fixedly installed at the right end of the outer tube 10, the end seat 9 is fixedly connected with the right end of the inner tube 38, and the left end of the relay seat 8 is fixedly connected with the right end of the end ring 7 located at the right end.
The right end of the liquid supply pipe 18 is fixedly communicated with an external liquid supply device through a pipeline, and the right end of the liquid discharge pipe 28 is fixedly communicated with an external drainage device through a pipeline.
The invention relates to a minimally invasive vascular embolism clearing device for cardiovascular surgery, which is used for inserting the device into a blood vessel under the assistance of an imaging device, wherein a blood groove 25 is arranged to ensure that blood can freely flow during insertion, so that the resistance of the blood is reduced, the surface roughness of the device is increased, the developing condition of the device in imaging equipment is improved, the developing of the device is ensured to be clearer, the direction control is carried out on a conical head 12 by matching with the tensioning and loosening of four control wires 16, the direction control of puncture is ensured to be flexible, the thrombus position is quickly reached, and the puncture efficiency is improved;
after the blood vessel is blocked, the embolism position is cut off, so that thrombus fragments are prevented from flowing to other positions along with the blood during cleaning, and the thorough cleaning is ensured;
when clearing up, make the compression of spring 20 through continuing to stimulate main silk 1, and then make and scrape 4 deformation of silk and prop up, crooked deformation scrape silk 4 can contact with the thrombus of blood vessel inner wall, main silk 1 back spring 20 resets when loosening, make and scrape the silk 4 and reset the thrombus area with blood vessel inner wall, and through the degree of receiving and releasing of control main silk 1, avoid the inflation section not hard up, guarantee the stability of separation, and slowly provide through feed tube 18 and hold the suppository, guarantee that the thrombus melts, and last flowing back through fluid-discharge tube 28, the appearance suppository that has the thrombus to dissolve discharges, in the space of wall, the mechanical cooperation medicine of scraping dissolves, can guarantee that the thrombus is thoroughly discharged, it can not overflow in blood to hold suppository and thrombus, it is more high-efficient to dissolve the suppository, avoid the thrombus fragment to leave over and lead to the later stage at other positions to form new thrombus, safety.
The thrombus-dissolving device is reasonable in structural design, can be used for separating thrombus dissolution, avoids thrombus from being left in blood vessels, is matched with micro-mechanical thrombus scraping and drug thrombolysis, can be continuously washed to avoid incomplete washing to cause residue, is more efficient in thrombus dissolution, is small in action amplitude and slight in amplitude after being unfolded, avoids damaging the blood vessels, is safer and has high practicability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The minimally invasive vascular embolism clearing device for the cardiovascular surgery comprises an expansion section, a embolism extinguishing section, a main thread (1), an extension pipe and a conical head (12), and is characterized in that a rotary joint (23) is fixedly installed at the left end of the main thread (1), the conical head (12) is installed at the left end of the rotary joint (23) through threaded rotary joint, the extension pipe is sleeved at the right part of the outer side of the main thread (1), the expansion section is installed at the left end of the extension pipe and the right end of the conical head (12) through threaded rotary joint, the embolism extinguishing section is installed between the expansion section in an assembling mode, the expansion section and the embolism extinguishing section are installed at the outer side of the main thread (1) in a sliding sleeve mode, pipe grooves (34) which are symmetrically arranged are formed in the side wall of the main thread (1), a liquid supply pipe (18) is installed in the pipe grooves (34) which are located at the upper portion of the front side, and a first one-way valve (26) is fixedly installed at the end portion of the liquid supply pipe (18), a liquid discharge pipe (28) is embedded in the pipe groove (34) at the lower part of the rear side of the main wire (1), a second one-way valve (27) is fixedly installed at the end part of the liquid discharge pipe (28), the first one-way valve (26) and the second one-way valve (27) penetrate through the inner wall of the middle part of the hydrant section, control wires (16) which are symmetrically arranged are fixedly installed at the right end of the rotary joint (23), a groove matched with the control wires (16) is formed in the outer wall of the main wire (1), pressing sheets (13) matched with the control wires (16) are fixedly installed on the side wall of the main wire (1) in an embedded mode, and a limiting ring (39) is sleeved on the outer side of the main wire (1) and located on the inner side of the expansion section;
the expansion section comprises a rubber sleeve pressing ring (2), a rubber sleeve (11), a middle ring (14), a connecting ring (21), a spring wire (22), a pressure plate (24), a threaded ring (30), a ball head (31), a penetrating sleeve (32) and a tooth key bulge (33), the outer side of the threaded ring (30) is sleeved with the middle ring (14), the outer side of the middle ring (14) is sleeved with the rubber sleeve pressing ring (2), the rubber sleeve pressing ring (2) is installed between the rubber sleeve pressing ring (2) and the middle ring (14) in a pressing mode, the rubber sleeve (11) is installed between the rubber sleeve pressing ring (2) and the middle ring (14) in a pressing mode, the rubber sleeve pressing ring (2) and the middle ring (14) are both provided with the rubber sleeve pressing ring (2) and the middle ring (14), the tooth key bulge (33) is fixedly installed on the side wall of the rubber sleeve pressing ring (2), the tooth key bulge (33) is tightly pressed with the rubber sleeve (11) in a pressing mode, the penetrating sleeve (32) is installed in a middle of the screw thread ring (30) in a penetrating mode, the end of the pressing mode is installed on the pressing mode and installed on the pressing mode, the pressure plate (24), the spring wire (22) is installed between the pressure plate (24) and the middle ring (14) in a pressing mode, spring wire (22) tip fixed mounting has bulb (31), well (14) lateral wall inlays and establishes fixed mounting and have wear ring (37) with bulb (31) complex, rotary joint (23) and the left part that is located wear cover (32) rotatory crimping, spring wire (22) middle part fixed mounting has link (21), link (21) outer wall and packing element (11) middle part inner wall fixed connection.
2. The minimally invasive vascular embolism removing device for the cardiovascular surgery according to claim 1, wherein the embolism extinguishing section comprises an outer sleeve (3), a scraping wire (4), a scraping wire ring (5), a mesh sheet (6), an end ring (7), an inner sleeve (15), a support rod (17), a middle sleeve (19), a spring (20), a sealing ring (29), a spring seat (35) and a collecting cavity (36), the middle part of the middle sleeve (19) is provided with the collecting cavity (36), the first one-way valve (26) and the second one-way valve (27) penetrate through the middle inner wall of the middle sleeve (19) and are communicated with the collecting cavity (36), the mesh sheet (6) which are symmetrically arranged is fixedly installed on the outer side wall of the middle sleeve (19), the inner sleeve (15) which is bilaterally symmetrical is slidably installed on the inner side of the middle sleeve (19), the end ring (7) is fixedly installed on the end part of the inner sleeve (15), and the outer sleeve (3) is fixedly installed on the side wall of the edge of the end ring (7), end ring (7) middle part connects the assembly soon through screw thread and threaded ring (30) outer wall, overcoat (3) are located between end ring (7) and middle cover (19) the cover establish install spring (20), and spring (20) cover is established and is installed in endotheca (15) outside, both ends fixed mounting has spring holder (35) about spring (20), endotheca (15) tip fixed mounting have with feed pipe (18) and fluid-discharge tube (28) complex branch (17), about middle cover (19) both ends inlay and establish fixed mounting and have sealing ring (29), sealing ring (29) and overcoat (3) inner wall sliding contact, two scrape silk (4) of scraping that the relative one end fixedly connected with equidistance of overcoat (3) was arranged, scrape silk (4) middle part outside cover establish fixed mounting and scrape silk ring (5).
3. The minimally invasive vascular embolism removing device for the cardiovascular surgery is characterized by comprising a relay seat (8), an end seat (9), an outer tube (10) and an inner tube (38), wherein the inner tube (38) is sleeved on the outer side of a main wire (1), the relay seat (8) is fixedly installed at the left end of the inner tube (38), the outer tube (10) is fixedly installed at the edge of the right end of the relay seat (8), the end seat (9) is fixedly installed at the right end of the outer tube (10), the end seat (9) is fixedly connected with the right end of the inner tube (38), and the left end of the relay seat (8) is fixedly connected with the right end of an end ring (7) located at the right end.
4. The minimally invasive vascular embolism removing device for the cardiovascular surgery according to claim 3, wherein the rubber sleeve pressing ring (2), the end ring (7), the relay seat (8), the outer tube (10) and the outer wall of the conical head (12) are provided with blood grooves (25), and the blood grooves (25) are arranged at equal intervals.
5. The minimally invasive vascular embolism removal device for cardiovascular surgery as recited in claim 1, characterized in that the right end of the liquid supply pipe (18) is fixedly communicated with an external liquid supply device through a pipeline, and the right end of the liquid discharge pipe (28) is fixedly communicated with an external drainage device through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487583.5A CN113397652B (en) | 2021-05-06 | 2021-05-06 | Minimally invasive vascular embolism removing device for cardiovascular surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487583.5A CN113397652B (en) | 2021-05-06 | 2021-05-06 | Minimally invasive vascular embolism removing device for cardiovascular surgery |
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| Publication Number | Publication Date |
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| CN113397652A CN113397652A (en) | 2021-09-17 |
| CN113397652B true CN113397652B (en) | 2022-07-22 |
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| CN202110487583.5A Active CN113397652B (en) | 2021-05-06 | 2021-05-06 | Minimally invasive vascular embolism removing device for cardiovascular surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535483A (en) * | 1983-01-17 | 1985-08-20 | Hemex, Inc. | Suture rings for heart valves |
| EP1359958B1 (en) * | 2001-02-09 | 2007-04-18 | Hager & Werken Gmbh & Co. KG | Injection syringe |
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2021
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