CN111281460A - Vascular anastomosis device for vascular surgery - Google Patents
Vascular anastomosis device for vascular surgery Download PDFInfo
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- CN111281460A CN111281460A CN202010137757.0A CN202010137757A CN111281460A CN 111281460 A CN111281460 A CN 111281460A CN 202010137757 A CN202010137757 A CN 202010137757A CN 111281460 A CN111281460 A CN 111281460A
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- 230000003872 anastomosis Effects 0.000 title claims abstract description 47
- 230000002792 vascular Effects 0.000 title claims abstract description 16
- 238000007631 vascular surgery Methods 0.000 title claims abstract description 10
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 28
- 230000023597 hemostasis Effects 0.000 claims abstract description 16
- 230000000670 limiting effect Effects 0.000 claims description 30
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 3
- 210000004369 blood Anatomy 0.000 abstract description 2
- 230000002439 hemostatic effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1107—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis for blood vessels
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1132—End-to-end connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Reproductive Health (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a vascular anastomosis device for vascular surgery, which comprises an elastic unit structure, a hemostasis power structure, an anastomosis tube structure and an anastomosis tube clamping structure, wherein the elastic unit structure is matched with a tourniquet to stop blood of a blood vessel, the hemostasis power structure provides power for the elastic unit structure, the anastomosis tube structure is used for anastomosis of the disconnected blood vessel, and the anastomosis tube clamping structure is used for clamping the anastomosis tube to enable the anastomosis tube to smoothly sleeve the blood vessel.
Description
Technical Field
The invention relates to the technical field of vascular surgery instruments, in particular to a vascular anastomosis device for vascular surgery.
Background
When the vascular surgery is performed, a large number of blood vessels need to be sutured, two main suturing technologies are available at present, one is direct suturing, and the other is suturing with two ends of a disconnected blood vessel by means of an instrument, application number 201821099848 discloses a novel vascular anastomosis device for vascular surgery, wherein the device can suture the disconnected blood vessel well, but a tube body of the device cannot be closely combined with the blood vessel. Meanwhile, in the case of a vascular suture construct, it is necessary to stop the flow of blood for better suture quality.
Disclosure of Invention
In view of the above technical problems, the present invention provides a vascular anastomosis device for vascular surgery, comprising an elastic unit structure, a hemostasis dynamic structure, an anastomosis tube clamping structure, a connecting plate, a blood vessel, a tourniquet, and is characterized in that: the elastic unit structure is fixedly arranged on the hemostasis power structure, the hemostasis power structure and the anastomosis tube clamping structure are fixedly connected through a connecting plate, the anastomosis tube structure is clamped and installed through the anastomosis tube clamping structure, and the tourniquet is fixedly arranged at the lower end of the elastic unit structure.
The elastic unit structure comprises five elastic unit structures, wherein the five elastic unit structures comprise an elastic hard plate, a central sliding column, a limiting semicircular block, a spring support ring, a central spring, an adjusting stud, a square block, an adjusting nut, a guide column, a U-shaped support plate, a strip-shaped connecting plate, a reset spring, a tension belt, a guide wheel, a guide base, a diversion plate and a tension slider, the elastic hard plate is fixedly connected with the tourniquet, one end of the central sliding column is fixedly arranged at the central disc of the elastic hard plate, the other end of the central sliding column is fixedly arranged on the limiting semicircular block, the limiting semicircular block plays a limiting role, the spring support ring penetrates through the central sliding column, two ends of the central spring are fixedly arranged on the surfaces of the elastic hard plate and the spring support ring respectively, the upper end of the guide column is fixedly arranged on the lower surface of the strip-shaped connecting plate, the lower end of the guide column is fixedly arranged on the upper surface of the U-shaped support plate, two ends of the reset, one end of the elastic unit structure is fixedly arranged on the lower surface of the boss of the adjusting nut, the other end of the tension belt is fixedly connected with the turning plate, and the tension slider is fixedly arranged at the end part of the turning plate.
The hemostasis power structure comprises a power mounting plate, a blood vessel placing table, a power guide block, a power sliding plate, a rack, a gear, a power motor, a tension slider groove and a limiting block, wherein the blood vessel placing table is fixedly mounted on the lower surface of the power mounting plate, the power guide blocks are a plurality of, the power guide blocks are sequentially and fixedly mounted on the upper surface of the power mounting plate, the power sliding plate is in sliding fit with the power guide blocks, the tension slider groove is provided with a plurality of groups, the tension slider groove is fixedly mounted on the side surface of the power sliding plate, and the tension slider groove is in sliding fit with the tension.
The anastomotic tube structure comprises anastomotic tubes, eight fixed plates, eight fixed rotary seats, eight fixed connecting plates and eight fixed blocks, wherein the fixed plates are sequentially and fixedly installed on the surfaces of the two ends of the anastomotic tubes, the fixed rotary seats are fixedly installed on the upper surfaces of the fixed plates, one ends of the fixed connecting plates are rotatably installed on the fixed rotary seats, and the fixed elastic pieces are fixedly installed on the upper surfaces of the fixed plates.
The anastomotic tube clamping structure comprises a clamping center sliding block, a thrust acting plate, a front clamping connecting plate, a front clamping sheet, a rear clamping connecting plate, a rear clamping sheet, an upper clamping connecting plate, a lower clamping connecting plate, a mountain clamping sheet and a diamond-shaped connecting plate, wherein the clamping center sliding block comprises a center rotating column and a center sliding block, the two center sliding blocks are respectively and symmetrically and fixedly arranged at two ends of the center rotating column, the middle of the front clamping connecting plate is in sliding fit with one center sliding block, one end of the front clamping connecting plate is fixedly provided with the front clamping sheet, the middle of the rear clamping connecting plate is in sliding fit with the other center sliding block, the other end of the rear clamping connecting plate is fixedly provided with the rear clamping sheet, the upper clamping connecting plate and the lower clamping connecting plate are provided with two groups, the middle parts of the upper clamping connecting plate and the lower, the two ends of the rhombic connecting plate are respectively and sequentially rotatably arranged at the other ends of the front clamping connecting plate, the rear clamping connecting plate and the upper and lower clamping connecting plates, and the two thrust acting plates are respectively and rotatably arranged at the other ends of the upper and lower clamping connecting plates.
Furthermore, the middle part of the tension belt is in friction fit with the guide wheel, the guide wheel is rotatably installed on the guide base, and the guide base is fixedly installed on the surface of the power installation plate.
Furthermore, an adjusting stud is fixedly installed on the upper surface of the spring support ring, a center hole of the adjusting stud is in sliding fit with the central sliding column, a square block is fixedly installed at the upper end of the adjusting stud, a center hole of an adjusting nut is in threaded fit with the adjusting stud, and holes on two sides of the adjusting nut are in sliding fit with the two guide columns.
Further, a rack is fixedly installed on the upper surface of the power sliding plate, a gear and the rack form meshing transmission, the gear is fixedly installed on a rotating shaft of a power motor, and the power motor is fixedly installed on the upper surface of the power installation plate.
Furthermore, the limiting blocks are arranged in a plurality of numbers, the limiting blocks are sequentially and fixedly installed on the upper surface of the power installation plate, and the limiting blocks have a limiting effect on the turning plate.
Furthermore, the anastomosis tube is made of elastic medical polyurethane material.
Furthermore, the center position of the fixed block is fixedly arranged at the other end of the fixed connecting plate, and the fixed block clamps the vascular wall.
Furthermore, the side surfaces of the two groups of reset elastic sheets are respectively and fixedly arranged on the rhombic connecting plates to provide power for resetting of the anastomotic tube clamping structure.
Compared with the prior art, the invention has the beneficial effects that: (1) the hemostatic device of the invention can adapt to blood vessels with different wall thicknesses; (2) the tourniquet slowly falls along one direction, can reduce the damage to blood vessels, and has better hemostatic effect; (3) the anastomotic tube of the invention can be closely combined with blood vessels.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the elastic unit of the present invention.
Fig. 3 is a schematic view of the hemostatic power structure of the present invention.
Fig. 4 is a schematic diagram of the pull slider of the present invention.
Fig. 5 is a detailed schematic view of the power slide plate of the present invention.
FIG. 6 is a schematic view of the anastomotic vessel structure of the present invention.
FIG. 7 is a schematic view of the clamping structure of the anastomosis tube of the present invention.
Figure 8 is a schematic view of a clamping center slide of the present invention.
Reference numerals: 1-an elastic unit structure; 2-a hemostatic dynamic structure; 3-anastomotic vessel structure; 4-anastomosis tube clamping structure; 5-connecting plates; 6-blood vessel; 7-tourniquet; 101-elastic hard board; 102-a central spool; 103-a limit semicircular block; 104-a spring support ring; 105-a central spring; 106-adjusting stud; 107-square blocks; 108-an adjusting nut; 109-guide posts; a 110-U shaped support plate; 111-strip connecting plates; 112-a return spring; 113-tension band; 114-a guide wheel; 115-a guide base; 116-a change plate; 117-tension slider; 201-a power mounting plate; 202-a blood vessel placement table; 203-a power guide block; 204-power slide plate; 205-a rack; 206-gear; 207-power motor; 208-a slider slot; 209-a limiting block; 301-anastomotic vessel; 302-fixing plate; 303-fixed rotating base; 304-fixed connecting plate; 305-fixed block; 306-securing the elastic sheet; 401-clamping the central slider; 4011-central spin column; 4012-central slider; 402-a thrust acting plate; 403-front clamping connection plate; 404-front clamping piece; 405-rear clamping web; 406-a rear clamping tab; 407-upper and lower clamping connection plates; 408-an undersea clamping piece; 409-diamond connecting plates; 410-resetting the spring plate.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): the utility model provides a vascular surgery is with identical device of blood vessel, includes elasticity unit structure 1, hemostasis power structure 2, coincide tubular construction 3, coincide pipe clamping structure 4, connecting plate 5, blood vessel 6, tourniquet 7, elasticity unit structure 1 fixed mounting on hemostasis power structure 2, through connecting plate 5 fixed connection between hemostasis power structure 2 and the pipe clamping structure 4 that coincide, coincide tubular construction 3 presss from both sides tightly through the pipe clamping structure 4 that coincide and installs, tourniquet 7 fixed mounting is at the lower extreme of elasticity unit structure 1.
The elastic unit structure 1 comprises five elastic hard plates 101, a central sliding column 102, a limiting semicircular block 103, a spring support ring 104, a central spring 105, an adjusting stud 106, a square block 107, an adjusting nut 108, a guide column 109, a U-shaped support plate 110, a strip-shaped connecting plate 111, a reset spring 112, a tension band 113, a guide wheel 114, a guide base 115, a diversion plate 116 and a tension slider 117, the elastic unit structure 1 is provided with five elastic hard plates 101 and a tourniquet 7, one end of the central sliding column 102 is fixedly arranged at a central disc of the elastic hard plates 101, the other end of the central sliding column 102 is fixedly arranged on the limiting semicircular block 103 for limiting the limiting semicircular block 103, the spring support ring 104 penetrates between the central sliding columns 102, two ends of the central spring 105 are respectively and fixedly arranged on the surfaces of the elastic hard plates 101 and the spring support ring 104, the adjusting 106 is fixedly arranged on the upper surface of the spring support ring 104, the center hole of an adjusting stud 106 is in sliding fit with a center sliding column 102, a square block 107 is fixedly mounted at the upper end of the adjusting stud 106, the center hole of an adjusting nut 108 is in threaded fit with the adjusting stud 106, two side holes of the adjusting nut 108 are in sliding fit with two guide columns 109, the upper ends of the guide columns 109 are fixedly mounted on the lower surface of a strip-shaped connecting plate 111, the lower ends of the guide columns 109 are fixedly mounted on the upper surface of a U-shaped supporting plate 110, two ends of a return spring 112 are respectively and fixedly mounted on the upper surface of the U-shaped supporting plate 110 and the lower surface of the adjusting nut 108, one end of an elastic unit structure 1 of the elastic unit structure 1 is fixedly mounted on the lower surface of a boss of the adjusting nut 108, the middle part of a tension belt 113 is in friction fit with a guide wheel 114, the guide wheel 114 is rotatably mounted on a guide base 115, the guide base 115 is fixedly mounted on, the tension slider 117 is fixedly installed at an end of the direction-changing plate 116.
The tension band 113 provides the power to pull the adjusting nut 108 down along the guiding post 109, when the tourniquet 7 touches the blood vessel 6, the central spring 105 starts to compress, the hemostasis function of the tourniquet 7 is provided with the power, and the tourniquet can adapt to blood vessels with different wall thicknesses due to the power provided by the spring. Adjusting the threaded engagement of adjustment stud 106 and adjustment nut 108 changes the tightness of center spring 105, thereby changing the amount of hemostasis.
The hemostasis power structure 2 comprises a power mounting plate 201, a blood vessel placing table 202, a power guide block 203, a power sliding plate 204, a rack 205, a gear 206, a power motor 207, a tension slider groove 208 and a limiting block 209, wherein the blood vessel placing table 202 is fixedly mounted on the lower surface of the power mounting plate 201, the power guide blocks 203 are provided with a plurality of power guide blocks 203, the power guide blocks 203 are sequentially and fixedly mounted on the upper surface of the power mounting plate 201, the power sliding plate 204 is in sliding fit with the power guide blocks 203, the rack 205 is fixedly mounted on the upper surface of the power sliding plate 204, the gear 206 and the rack 205 form meshing transmission, the gear 206 is fixedly mounted on a rotating shaft of the power motor 207, the power motor 207 is fixedly mounted on the upper surface of the power mounting plate 201, the tension slider groove 208 is provided with a plurality of groups, the tension slider groove 208, the limiting blocks 209 are arranged in a plurality of numbers, the limiting blocks 209 are sequentially and fixedly installed on the upper surface of the power installation plate 201, and the limiting blocks 209 play a limiting role in limiting the direction-changing plate 116.
The power motor 207 provides power, the power is transmitted through the cooperation of gears to enable the power sliding plate 204 to slide along the power guide block 203, and the tension slider groove 208 blocks the tension slider 117 to drive the tension belt 113 to be tensioned.
As shown in fig. 4, the original distance between the tension slider slot 208 and the tension slider 117 increases in sequence along the sliding direction of the power slide plate 204, so that the tourniquet 7 can slowly fall along one direction, thereby reducing the damage to the blood vessel.
The anastomosis tube structure 3 comprises an anastomosis tube 301, a fixing plate 302, a fixing rotary base 303, a fixing connecting plate 304, a fixing block 305 and a fixing elastic sheet 306, wherein the anastomosis tube 301 is made of elastic medical polyurethane materials, the number of the fixing plates 302 is eight, the fixing plates 302 are sequentially and fixedly installed on the surfaces of two ends of the anastomosis tube 301, the fixing rotary base 303 is fixedly installed on the upper surface of the fixing plate 302, one end of the fixing connecting plate 304 is rotatably installed on the fixing rotary base 303, the central position of the fixing block 305 is fixedly installed at the other end of the fixing connecting plate 304, and the fixing elastic sheet 306 is fixedly installed on the upper surface of the fixing plate 302.
The anastomosis tube clamping structure 4 is used for clamping and contracting the anastomosis tube 301, the two ends of the anastomosis tube are sleeved in the disconnected blood vessel, the anastomosis tube clamping structure 4 is loosened, the anastomosis tube is tightly matched with the blood vessel, the fixed connecting plate 304 is pressed down and clamped by the fixed elastic sheet 306, and the fixed block 305 is used for pressing the blood vessel tightly.
Other medical materials with good elasticity may be used for the anastomotic tube 301. The number of the fixing blocks 305 may be adjusted according to the caliber of the blood vessel.
The anastomotic tube clamping structure 4 comprises a clamping center slide block 401, a thrust acting plate 402, a front clamping connecting plate 403, a front clamping sheet 404, a rear clamping connecting plate 405, a rear clamping sheet 406, an upper clamping connecting plate 407, a lower clamping plate 408 and a rhombic connecting plate 409, wherein the clamping center slide block 401 comprises a center rotating column 4011 and a center slide block 4012, the two center slide blocks 4012 are respectively and symmetrically and fixedly arranged at two ends of the center rotating column 4011, the middle of the front clamping connecting plate 403 is in sliding fit with one center slide block 4012, one end of the front clamping connecting plate 403 is fixedly provided with the front clamping sheet 404, the middle of the rear clamping connecting plate 405 is in sliding fit with the other center slide block 4012, the other end of the rear clamping connecting plate 405 is fixedly provided with the rear clamping sheet 406, the upper clamping connecting plate 407 and the lower clamping connecting plate 407 are in two groups, the middle parts of the upper clamping connecting plate 407 and the lower clamping connecting plate are, four rhombic connecting plates 409 are arranged, two ends of each rhombic connecting plate 409 are respectively and sequentially rotatably arranged at the other ends of the front clamping connecting plate 403, the rear clamping connecting plate 405 and the upper and lower clamping connecting plates 407, the side surfaces of the two groups of reset elastic sheets 410 are respectively and fixedly arranged on the rhombic connecting plates 409, and the two thrust acting plates 402 are respectively and rotatably arranged at the other ends of the two upper and lower clamping connecting plates 407.
In the embodiment, the anastomosis tube clamping structure 4 is provided, two thrust acting plates 402 are pressed, a front clamping sheet 404, a rear clamping plate 406 and two upper clamping plates 408 are simultaneously contracted inwards, and the middle anastomosis tube 301 is compressed along with the contraction; the two thrust acting plates 402 are released, the two groups of reset spring pieces 410 provide power, the front clamping plate 404, the rear clamping plate 406 and the two upper clamping plates 408 are simultaneously expanded outwards, and the anastomosis tube 301 is restored to the original shape.
Claims (8)
1. The utility model provides a vascular anastomosis device for vascular surgery, includes elasticity unit structure (1), hemostasis power structure (2), coincide tubular construction (3), coincide pipe clamping structure (4), connecting plate (5), blood vessel (6), tourniquet (7) and 8, its characterized in that: the elastic unit structure (1) is fixedly arranged on the hemostasis power structure (2), the hemostasis power structure (2) and the anastomosis tube clamping structure (4) are fixedly connected through a connecting plate (5), the anastomosis tube structure (3) is clamped and arranged through the anastomosis tube clamping structure (4), and the tourniquet (7) is fixedly arranged at the lower end of the elastic unit structure (1);
the elastic unit structure (1) comprises five elastic hard plates (101), central sliding columns (102), limiting semicircular blocks (103), spring support rings (104), a central spring (105), an adjusting stud (106), square blocks (107), adjusting nuts (108), guide columns (109), a U-shaped support plate (110), strip-shaped connecting plates (111), a reset spring (112), a pull belt (113), a guide wheel (114), a guide base (115), a turning plate (116) and pull sliders (117), wherein one end of each elastic hard plate (101) is fixedly arranged at a central disc of the corresponding elastic hard plate (101), the other end of each central sliding column (102) is fixedly arranged on the corresponding limiting semicircular block (103), the limiting semicircular blocks (103) play a limiting role, and the spring support rings (104) penetrate between the central sliding columns (102), two ends of a central spring (105) are fixedly installed on the surfaces of an elastic hard plate (101) and a spring support ring (104) respectively, the upper end of a guide column (109) is fixedly installed on the lower surface of a strip-shaped connecting plate (111), the lower end of the guide column (109) is fixedly installed on the upper surface of a U-shaped support plate (110), two ends of a return spring (112) are fixedly installed on the upper surface of the U-shaped support plate (110) and the lower surface of an adjusting nut (108) respectively, one end of an elastic unit structure (1) of the elastic unit structure (1) is fixedly installed on the lower surface of a boss of the adjusting nut (108), the other end of a tension belt (113) is fixedly connected with a direction changing plate (116), and a tension slider (117) is fixedly installed at the end part of;
the hemostasis power structure (2) comprises a power mounting plate (201), a blood vessel placing table (202), a power guide block (203), a power sliding plate (204), a rack (205), a gear (206), a power motor (207), a tension slider groove (208) and a limiting block (209), wherein the blood vessel placing table (202) is fixedly mounted on the lower surface of the power mounting plate (201), the power guide blocks (203) are arranged in a plurality, the power guide blocks (203) are sequentially and fixedly mounted on the upper surface of the power mounting plate (201), the power sliding plate (204) is in sliding fit with the power guide block (203), the tension slider groove (208) is provided with a plurality of groups, the tension slider groove (208) is fixedly mounted on the side surface of the power sliding plate (204), and the tension slider groove (208) is in sliding fit with the tension slider (117);
the anastomosis tube structure (3) comprises eight anastomosis tubes (301), a fixing plate (302), fixed rotary seats (303), fixed connecting plates (304) and fixing blocks (305), wherein the fixing plates (302) are sequentially and fixedly arranged on the surfaces of two ends of the anastomosis tubes (301), the fixed rotary seats (303) are fixedly arranged on the upper surface of the fixing plate (302), one ends of the fixed connecting plates (304) are rotatably arranged on the fixed rotary seats (303), and fixed elastic pieces (306) are fixedly arranged on the upper surface of the fixing plate (302);
the anastomotic pipe clamping structure (4) comprises a clamping center sliding block (401), a thrust acting plate (402), a front clamping connecting plate (403), a front clamping sheet (404), a rear clamping connecting plate (405), a rear clamping sheet (406), an upper clamping connecting plate (407), a lower clamping sheet (408) and a rhombic connecting plate (409), wherein the clamping center sliding block (401) comprises a center rotating column (4011) and a center sliding block (4012), the two center sliding blocks (4012) are respectively and symmetrically and fixedly installed at two ends of the center rotating column (4011), the middle of the front clamping connecting plate (403) forms sliding fit with one center sliding block (4012), the front clamping sheet (404) is fixedly installed at one end of the front clamping connecting plate (403), the middle of the rear clamping connecting plate (405) forms sliding fit with the other center sliding block (4012), and the rear clamping sheet (406) is fixedly installed at the other end of the rear clamping connecting plate (405), two groups of upper and lower clamping connecting plates (407) are arranged, the middle parts of the upper and lower clamping connecting plates (407) are rotatably arranged on a central rotating column (4011), the downhill clamping pieces (408) are rotatably arranged at the end parts of the upper and lower clamping connecting plates (407), four rhombic connecting plates (409) are arranged, two ends of each rhombic connecting plate (409) are respectively and sequentially rotatably arranged at the other ends of the front clamping connecting plate (403), the rear clamping connecting plate (405) and the upper and lower clamping connecting plates (407), and two thrust acting plates (402) are respectively and rotatably arranged at the other ends of the two upper and lower clamping connecting plates (407).
2. The vascular anastomosis device, according to claim, further comprising: the middle part of the tension belt (113) is in friction fit with the guide wheel (114), the guide wheel (114) is rotatably arranged on the guide base (115), and the guide base (115) is fixedly arranged on the surface of the power mounting plate (201).
3. The vascular anastomosis device, according to claim, further comprising: the adjusting stud (106) is fixedly arranged on the upper surface of the spring support ring (104), a center hole of the adjusting stud (106) is in sliding fit with the central sliding column (102), a square block (107) is fixedly arranged at the upper end of the adjusting stud (106), a center hole of an adjusting nut (108) is in threaded fit with the adjusting stud (106), and holes on two sides of the adjusting nut (108) are in sliding fit with the two guide columns (109).
4. The vascular anastomosis device, according to claim, further comprising: the rack (205) is fixedly arranged on the upper surface of the power sliding plate (204), the gear (206) and the rack (205) form meshing transmission, the gear (206) is fixedly arranged on a rotating shaft of the power motor (207), and the power motor (207) is fixedly arranged on the upper surface of the power mounting plate (201).
5. The vascular anastomosis device, according to claim, further comprising: the limiting blocks (209) are arranged in a plurality of numbers, the limiting blocks (209) are sequentially and fixedly installed on the upper surface of the power installation plate (201), and the limiting blocks (209) play a limiting role in the turning plate (116).
6. The vascular anastomosis device, according to claim, further comprising: the anastomosis tube (301) is made of elastic medical polyurethane material.
7. The vascular anastomosis device, according to claim, further comprising: the center position of the fixed block (305) is fixedly arranged at the other end of the fixed connecting plate (304), and the fixed block (305) clamps the vessel wall.
8. The vascular anastomosis device, according to claim, further comprising: the side surfaces of the two groups of reset elastic sheets (410) are respectively and fixedly arranged on the rhombic connecting plates (409) to provide power for resetting the anastomosis tube clamping structure (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137757.0A CN111281460B (en) | 2020-03-03 | 2020-03-03 | Vascular anastomosis device for vascular surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137757.0A CN111281460B (en) | 2020-03-03 | 2020-03-03 | Vascular anastomosis device for vascular surgery |
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| CN111281460A true CN111281460A (en) | 2020-06-16 |
| CN111281460B CN111281460B (en) | 2021-01-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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