CN113456992B - Interventional catheter fixer for cardiovascular and cerebrovascular nursing - Google Patents

Abstract

The utility model provides a cardiovascular and cerebrovascular nursing is with intervention pipe fixer, includes the lathe bed, lathe bed downside fixedly connected with a plurality of evenly distributed, the supporting leg that the size is the same, upper portion fixedly connected with guide rail before the lathe bed, the lathe bed upside is provided with the slide, slide upside fixedly connected with hollow placement box, the slide with guide rail sliding connection. The invention effectively solves the problems that the traditional catheter at present needs medical staff to use an external adhesive tape to paste the catheter on the skin of a patient, the skin of the patient is easy to be allergic, and the catheter is possibly separated from the body of the patient; before the arm position of a patient is cannulated, the arm of the patient needs to be lifted by a certain height, the existing device does not have the function, and medical staff is inconvenient to smoothly carry out the intervention operation on the patient.

Description

An interventional catheter fixator for cardiovascular and cerebrovascular care

Technical field

The invention relates to the field of medical devices, and in particular to an interventional catheter fixator for cardiovascular and cerebrovascular care.

Background technique

Interventional therapy is an emerging discipline that has developed rapidly in recent years and integrates imaging diagnosis and clinical treatment. It uses puncture needles, catheters and other interventional equipment to introduce specific instruments into human lesions through natural orifices or tiny wounds in the human body. A general term for a series of techniques for minimally invasive treatment of parts of the body;

When clinical interventional treatment is performed, when the patient undergoes vascular interventional catheter treatment, part of the catheter needs to be inserted into the patient's body and part of it is outside the patient's body. The catheter outside the patient's body needs to be fixed accordingly to prevent The catheter is detached from the patient's body, but the current traditional catheter has a simple structure and a single function. Medical staff need to use external tape to stick the catheter to the patient's skin. However, the tape is easy to loosen, and the patient's skin is prone to allergies, and the catheter may The situation of separation from the patient's body requires the doctor to re-inject the needle, causing the patient to suffer secondary injuries, which ultimately brings great hidden dangers to the patient's surgery; before intubating the patient's arm, the patient's arm needs to be lifted The existing device does not have this function and is inconvenient for medical staff to smoothly perform interventional operations on patients; therefore, there is an urgent need for an interventional catheter holder for cardiovascular and cerebrovascular care.

Contents of the invention

In view of the shortcomings of the existing technology, the present invention provides an interventional catheter holder for cardiovascular and cerebrovascular care, which effectively solves the problem of the current traditional catheter, which has a simple structure and single function, and requires medical staff to use external tape to stick the catheter on the patient's skin. However, the tape is easy to loosen, the patient's skin is prone to allergies, and the catheter may be detached from the patient's body, causing the doctor to need to re-insert the needle, causing the patient to suffer secondary injuries, and ultimately causing great harm to the patient's surgery. Hidden dangers; before intubating the patient's arm, the patient's arm needs to be raised to a certain height. The existing device does not have this function, which makes it inconvenient for medical staff to smoothly perform interventional surgery on the patient.

The technical solutions adopted by the present invention to solve the above problems are:

An interventional catheter holder for cardiovascular and cerebrovascular care, including a bed. The lower side of the bed is fixedly connected with a plurality of evenly distributed support legs of the same size. The upper front part of the bed is fixedly connected with a guide rail. The bed There is a sliding plate on the body, and a hollow storage box is fixedly connected to the upper side of the sliding plate. The sliding plate is slidingly connected to the guide rail. The upper left side of the storage box is rotatably connected to a first turntable, and the lower side of the first turntable is rotatably connected. A first transmission shaft is fixedly connected, and the first transmission shaft 17 is rotationally connected to the placement box 15. A pipe fixing structure is provided on the right side of the first transmission shaft, and a pipe fixing structure is provided on the right side of the front and rear of the pipe fixing structure. Locking plate, the inner side of the locking plate has a plurality of evenly distributed placement holes, the lower part of the front side of the bed is rotatably connected to a second transmission shaft, and the rear side of the second transmission shaft is fixedly connected to a first worm , the first worm is rotationally connected to the bed, a transmission structure is provided on the rear side of the first worm, a lifting plate is provided on the upper left side of the transmission structure, the lifting plate is slidingly connected to the bed, A top plate is fixedly connected to the upper side of the lifting plate; a third transmission shaft is rotatably connected to the lower part of the middle side of the bed; a first rack is provided on the right side of the third transmission shaft, and the rear side of the first rack is fixed A moving rod is connected, and the moving rod is slidingly connected to the bed. An adjustment structure is provided on the rear side of the moving rod, and an adjustment plate is provided on the upper side of the adjustment structure. The adjustment plate is rotationally connected to the bed. .

Preferably, the tube fixing structure includes a second worm connected to the first transmission shaft through a bevel gear set, the second worm is rotationally connected to the placement box, and the second worm is engaged with a second worm gear. , the second worm gear is fixedly connected to a first transmission rod, the first transmission rod is rotationally connected to the placement box, the upper side of the first transmission rod is fixedly connected to a first gear, and the first gear is meshed and connected There is a second rack, a fixing plate is fixedly connected to the upper side of the second rack, a support frame is fixedly connected to the upper middle side of the placement box, and the second rack and the fixing plate are both connected to the support frame. Sliding connection, the right end of the fixed plate is fixedly connected with a triangular top block, the front and rear right sides of the support frame are slidingly connected to the locking plate, and there are open slots on the outside of the locking plate, and the open slots The middle part is fixedly connected with a short shaft, and the middle part of the opening slot is provided with a curved rod. A hinge block is hinged on the middle side of the curved rod. The hinge block is fixedly connected to the placement box, and the upper side of the curved rod is connected to the upper side of the bent rod. The short axis is hinged, and the left and right sides of the lower part of the placement box are slidingly connected with control panels. The lower sides of the bent rods are hinged with the control panel. There are chutes on the inside of the control panel. The lower inside of the control panel They are all fixedly connected with long rods, and the long rods are slidingly connected to the placement box. The long rods are equipped with extension springs, and the outer ends of the extension springs are fixedly connected to the placement box. The extension springs are all fixedly connected to the placement box. The inner ends of the tension springs are fixedly connected to the long rod.

Preferably, the transmission structure includes a first worm gear meshingly connected with the first worm gear, the first worm gear is fixedly connected with a second transmission rod, the second transmission rod is rotationally connected with the bed, and the The lower side of the second transmission rod is connected to a third transmission rod through a bevel gear set. The third transmission rod is rotationally connected to the bed. A gear set acceleration structure is provided on the rear side of the third transmission rod. The gear set A fourth transmission rod is provided on the left side of the acceleration structure, and the fourth transmission rod is rotationally connected to the bed. A second gear is fixedly connected to the front side of the fourth transmission rod, and a third gear is meshedly connected to the second gear. Rack, the third rack is fixedly connected to the lifting plate.

Preferably, the adjustment structure includes a first link hinged to the rear side of the moving rod, an upper side of the first link hinged to the adjustment plate, and a third transmission shaft fixedly connected to the right side of the third transmission shaft. Worm, the third worm is rotatably connected to the bed, the third worm is meshed with a third worm gear, the third worm gear is fixedly connected with a fourth transmission shaft, the upper side of the fourth transmission shaft is connected to the The bed is rotatably connected, and a third gear is fixedly connected to the lower end of the fourth transmission shaft, and the third gear is meshedly connected with the first rack.

Preferably, the gear set accelerating structure includes a driving gear fixedly connected to the third transmission rod, the driving gear is meshed with a transmission pinion, the transmission pinion is fixedly connected with a connecting shaft, and the connecting shaft is connected to the third transmission rod. The bed is rotatably connected, a transmission gear is fixedly connected to the rear side of the connecting shaft, an acceleration gear is meshed with the transmission gear, and the acceleration gear is fixedly connected to the fourth transmission rod.

Preferably, baffles are fixedly connected to both sides of the bed, and a connecting plate is fixedly connected to the lower part of the rear side of the bed, and the connecting plate is slidingly connected to the moving rod.

Preferably, a locking rod is threadedly connected to the lower side of the placement box.

The invention has novel structure, ingenious conception, simple and convenient operation, and has the following advantages compared with the existing technology:

1. To fix the pipes of different diameters, place the pipes into the corresponding placement holes as needed. By rotating the first turntable, the first turntable drives the first transmission shaft to rotate, and the first transmission shaft passes through the pipe fixing structure. The transmission brings the two locking plates closer to each other, thereby fixing the conduit.

2. The second transmission rod drives the third transmission rod through the bevel gear set. The third transmission rod drives the second gear to accelerate and rotate through the transmission of the gear set acceleration structure. The second gear drives the third rack to move freely up and down. The strip drives the lifting plate to move up and down freely, thereby making it easy to adjust the height of the top plate, which in turn facilitates medical staff to adjust the height of the patient's arm, making it easier for the patient's interventional surgery to proceed smoothly.

3. The transmission pinion is fixedly connected to a connecting shaft, the connecting shaft is rotationally connected to the bed, the left side of the connecting shaft is fixedly connected to a transmission gear, and the transmission gear is meshed with an acceleration gear, so The acceleration gear is fixedly connected to the fourth transmission rod. A smaller number of rotations of the third transmission rod causes the fourth transmission rod to rotate more rotations, thereby reducing the workload of medical personnel.

Description of the drawings

Figure 1 is a schematic isometric structural view of an interventional catheter fixator for cardiovascular and cerebrovascular care according to the present invention.

Figure 2 is a partial cross-sectional view of the bed structure of an interventional catheter holder for cardiovascular and cerebrovascular care according to the present invention.

Figure 3 is a schematic structural diagram of the guide rail of an interventional catheter holder for cardiovascular and cerebrovascular care according to the present invention.

Figure 4 is a schematic structural diagram of a locking plate of an interventional catheter holder for cardiovascular and cerebrovascular care according to the present invention.

Figure 5 is a schematic structural diagram of the top block of an interventional catheter holder for cardiovascular and cerebrovascular care according to the present invention.

Figure 6 is a schematic diagram of the top plate structure of an interventional catheter holder for cardiovascular and cerebrovascular care according to the present invention.

Figure 7 is a schematic structural diagram of a moving rod of an interventional catheter holder for cardiovascular and cerebrovascular care according to the present invention.

Detailed ways

The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in Figures 1-7, the present invention provides an interventional catheter holder for cardiovascular and cerebrovascular care, which includes a bed 1. The lower side of the bed 1 is fixedly connected with a plurality of evenly distributed support legs 3 of the same size. A guide rail 8 is fixedly connected to the front and upper part of the bed 1. A slide plate is provided on the upper side of the bed 1. A hollow storage box 15 is fixedly connected to the upper side of the slide plate. The slide plate is slidingly connected to the guide rail 8. A first turntable 9 is rotatably connected to the upper left side of the placement box 15, and a first transmission shaft 17 is fixedly connected to the lower side of the first turntable 9. The first transmission shaft 17 is rotatably connected to the placement box 15. A pipe fixing structure is provided on the right side of the first transmission shaft 17. Locking plates 11 are provided on the front and rear sides of the right side of the pipe fixing structure. There are a plurality of evenly distributed placement holes 13 on the inside of the locking plate 11, so A second transmission shaft 25 is rotatably connected to the lower front side of the bed 1, and a first worm is fixedly connected to the rear side of the second transmission shaft 25. The first worm is rotatably connected to the bed, and the first worm A transmission structure is provided on the rear side, and a lifting plate 32 is provided on the upper left side of the transmission structure. The lifting plate 32 is slidingly connected to the bed 1, and a top plate 6 is fixedly connected to the upper side of the lifting plate 32; the bed A third transmission shaft 34 is rotatably connected to the lower part of the middle side of the body 1. A first rack 35 is provided on the right side of the third transmission shaft 34. A moving rod 38 is fixedly connected to the rear side of the first rack 35. The rod 38 is slidingly connected to the bed 1. An adjustment structure is provided on the rear side of the moving rod 38. An adjustment plate 4 is provided on the upper side of the adjustment structure. The adjustment plate 4 is rotationally connected to the bed 1.

First, after the patient can lie down on the bed 1, a rotating handle is fixedly connected to the front side of the second transmission shaft 25. By rotating the rotating handle, the second transmission shaft 25 is driven to rotate, and the second transmission shaft 25 drives the first worm to rotate. , the rotation of the first worm drives the lifting plate 32 to move freely up and down through the transmission structure, and the lifting plate 32 drives the top plate 6 to move freely up and down, providing a supporting position for the puncture of the patient's arm and reducing the patient's tendency to press the catheter; To fix conduits of different diameters, place the conduits into the corresponding placement holes 13 as needed. By rotating the first turntable 9, the first turntable 9 drives the first transmission shaft 17 to rotate, and the first transmission shaft 17 passes through the tube. The transmission of the fixed structure brings the two locking plates 11 closer together, thus playing the role of fixing the conduit.

The tube fixing structure includes a second worm 16 connected to the first transmission shaft 17 through a bevel gear set. The second worm 16 is rotationally connected to the placement box 15. The second worm 16 is meshed with a third Two worm gears, the second worm gear is fixedly connected to a first transmission rod 18, the first transmission rod 18 is rotationally connected to the placement box 15, the upper side of the first transmission rod 18 is fixedly connected to a first gear 19, The first gear 19 is meshed with a second rack 21, the upper side of the second rack 21 is fixedly connected with a fixing plate 20, the upper middle side of the placement box 15 is fixedly connected with a support frame 10, the second rack 21 is fixedly connected with a fixing plate 20. The rack 21 and the fixed plate 20 are both slidingly connected to the support frame 10. The right end of the fixed plate 20 is fixedly connected with a triangular top block 22. The front and rear parts of the right side of the support frame 10 are connected to the locking plate. 11 is slidingly connected, and there are open slots 12 on the outside of the locking plate 11, and short shafts are fixedly connected in the middle of the open slots 12, and there are curved rods 14 in the middle of the open slots 12, and there are curved rods 14 in the middle. A hinge block is hinged on the side, and the hinge block is fixedly connected to the placement box 15. The upper side of the bent rod 14 is hinged to the short axis. The left and right sides of the lower part of the placement box 15 are slidingly connected with control panels 23, so The lower sides of the bent rods 14 are hingedly connected to the control panel 23, and there are inclined grooves on the inner side of the control panel 23. The lower inner parts of the control panel 23 are fixedly connected with long rods 24, and the long rods 24 are connected with all the control plates 23. The placement box 15 is slidingly connected, and the long rods 24 are equipped with extension springs. The outer ends of the extension springs are fixedly connected to the placement box 15, and the inner ends of the extension springs are all connected to the long rods 24. Fixed connection.

The rotation of the first transmission shaft 17 drives the second worm 16 to rotate. The second worm 16 drives the second worm gear to rotate. The second worm gear drives the first transmission rod 18 to rotate. The first transmission rod 18 drives the first gear 19 to rotate. The gear 19 drives the second rack 21 to move, the second rack 21 drives the fixed plate 20 to move to the right, the fixed plate 20 drives the top block 22 to move to the right, the top block 22 drives the two control plates 23 to move outward, and the control The plates 23 all drive the bent rods 14 to move, and the bent rods 14 all drive the two locking plates 11 to approach each other.

The transmission structure includes a first worm gear meshingly connected with the first worm gear. The first worm gear is fixedly connected with a second transmission rod. The second transmission rod is rotationally connected with the bed 1. The lower side of the transmission rod is connected to a third transmission rod 26 through a bevel gear set. The third transmission rod 26 is rotationally connected to the bed 1. A gear set acceleration structure is provided on the rear side of the third transmission rod 26. A fourth transmission rod 30 is provided on the left side of the gear set acceleration structure. The fourth transmission rod 30 is rotationally connected to the bed 1. A second gear 31 is fixedly connected to the front side of the fourth transmission rod 30. The two gears 31 are meshed with a third rack 33 , and the third rack 33 is fixedly connected to the lifting plate 32 .

Turning the handle drives the first worm to rotate, the first worm drives the first worm gear to rotate, the first worm gear drives the second transmission rod to rotate, the second transmission rod drives the third transmission rod 26 through the bevel gear set, and the third transmission rod 26 passes through the gear set The transmission of the accelerating structure drives the second gear 31 to accelerate and rotate. The second gear 31 drives the third rack 33 to move freely up and down. The third rack 33 drives the lifting plate 32 to move freely up and down, thereby conveniently adjusting the height of the top plate 6 .

The adjustment structure includes a first connecting rod 37 that is hinged to the rear side of the moving rod 38. The upper side of the first connecting rod 37 is hinged to the adjusting plate 4. The right side of the third transmission shaft 34 is fixedly connected with The third worm is rotatably connected to the bed 1. The third worm is meshed with a third worm gear. The third worm gear is fixedly connected with a fourth transmission shaft 39. The fourth transmission shaft The upper side of the fourth transmission shaft 39 is rotatably connected to the bed 1 . The lower end of the fourth transmission shaft 39 is fixedly connected with a third gear. The third gear is meshed with the first rack 35 .

A second turntable 5 is fixedly connected to the left end of the third worm. The second turntable 5 drives the third transmission shaft 34 to rotate. The third transmission shaft 34 drives the third worm to rotate. The third worm drives the third worm wheel to rotate. The third worm wheel drives the fourth The transmission shaft 39 rotates, the fourth transmission shaft 39 drives the third gear to rotate, and the third gear drives the first rack 35 to move. The adjustment plate 4 facilitates the placement of the feet of different patients, making the device more widely used.

The gear set accelerating structure includes a driving gear 27 fixedly connected to the third transmission rod 26. The driving gear 27 is meshed with a transmission pinion, and the transmission pinion is fixedly connected with a connecting shaft. The connecting shaft is connected to the third transmission rod 26. The bed 1 is rotationally connected, and a transmission gear 28 is fixedly connected to the rear side of the connecting shaft. The transmission gear 28 is meshed with an acceleration gear 29, and the acceleration gear 29 is fixedly connected to the fourth transmission rod 30. .

The third transmission rod 26 drives the driving gear 27 to rotate, the driving gear 27 drives the transmission pinion to rotate, the transmission pinion drives the connecting shaft to rotate, the transmission large gear 28 drives the acceleration gear 29 to accelerate the rotation, the acceleration gear 29 drives the fourth transmission rod 30 to accelerate the rotation .

Baffles 2 are fixedly connected to both sides of the bed 1, and a connecting plate 36 is fixedly connected to the lower rear side of the bed 1. The connecting plate 36 is slidingly connected to the moving rod 38.

The baffle 2 plays a supporting role.

A locking rod 7 is threadedly connected to the lower side of the placement box 15 .

The locking rod 7 has a fixed position for placing the box 15 after movement.

When the present invention is used, first, the patient lies on the bed 1 and rotates the handle to drive the second transmission shaft 25 to rotate. The second transmission shaft 25 drives the first worm to rotate. The rotation of the first worm is through the transmission structure. The transmission drives the lifting plate 32 to move freely up and down, and the lifting plate 32 drives the top plate 6 to move freely up and down, providing a supporting position for the puncture of the patient's arm; by fixing the catheters of different diameters, the catheters can be placed in corresponding positions as needed. In the placement hole 13, by rotating the first turntable 9, the first turntable 9 drives the first transmission shaft 17 to rotate. The first transmission shaft 17 is driven by the tube fixed structure to bring the two locking plates 11 closer together. By adjusting The adjustment structure adjusts the adjustment plate 4 to a suitable angular position to facilitate the placement of the feet of different patients.

Although this article uses more of the bed 1, baffle 2, support leg 3, adjustment plate 4, second turntable 5, top plate 6, locking rod 7, guide rail 8, first turntable 9, support frame 10, lock Tight plates 11, 12, placement holes 13, bent rods 14, placement box 15, second worm 16, first transmission shaft 17, first transmission rod 18, first gear 19, fixed plate 20, second rack 21, Top block 22, control panel 23, long rod 24, second transmission shaft 25, third transmission rod 26, driving gear 27, large transmission gear 28, acceleration gear 29, fourth transmission rod 30, second gear 31, lifting plate 32. The third rack 33, the third transmission shaft 34, the first rack 35, the connecting plate 36, the first connecting rod 37, the moving rod 38, the fourth transmission shaft 39 and other terms, but the use of other terms is not excluded. possibility. These terms are used merely to more conveniently describe and explain the nature of the present invention; interpreting them as any additional limitations would be contrary to the spirit of the present invention.

Claims (4)

1. An interventional catheter fixer for cardiovascular and cerebrovascular nursing, which is characterized in that: the lifting type lifting mechanism comprises a lathe bed (1), wherein a plurality of supporting legs (3) which are uniformly distributed and have the same size are fixedly connected to the lower side of the lathe bed (1), a guide rail (8) is fixedly connected to the front upper portion of the lathe bed (1), a sliding plate is arranged on the upper side of the lathe bed (1), a hollow placing box (15) is fixedly connected to the upper side of the sliding plate, the sliding plate is in sliding connection with the guide rail (8), a first rotary table (9) is rotatably connected to the upper portion of the left side of the placing box (15), a first transmission shaft (17) is fixedly connected to the lower side of the first rotary table (9), a pipe fixing structure is arranged on the right side of the first transmission shaft (17), locking plates (11) are arranged on the front and rear portions of the right sides of the pipe fixing structure, a plurality of placing holes (13) which are uniformly distributed are formed in the inner side of the locking plates (11), a second transmission shaft (25) is rotatably connected to the lower portion of the front side of the lathe bed (1), a first worm is fixedly connected to the rear side of the second transmission shaft (25), a first worm is rotatably connected to the placing box (15), a lifting plate (32) is fixedly connected to the left side of the lifting plate (32), and a lifting structure is arranged on the lifting plate (32); the lower part of the middle side of the lathe bed (1) is rotationally connected with a third transmission shaft (34), the right side of the third transmission shaft (34) is provided with a first rack (35), the rear side of the first rack (35) is fixedly connected with a moving rod (38), the moving rod (38) is in sliding connection with the lathe bed (1), the rear side of the moving rod (38) is provided with an adjusting structure, the upper side of the adjusting structure is provided with an adjusting plate (4), and the adjusting plate (4) is rotationally connected with the lathe bed (1);

the pipe fixing structure comprises a second worm (16) connected with the first transmission shaft (17) through a bevel gear set, the second worm (16) is rotationally connected with the placement box (15), the second worm (16) is in meshed connection with a second worm wheel, the second worm wheel is fixedly connected with a first transmission rod (18), the first transmission rod (18) is rotationally connected with the placement box (15), a first gear (19) is fixedly connected to the upper side of the first transmission rod (18), a second rack (21) is in meshed connection with the first gear (19), a fixing plate (20) is fixedly connected to the upper side of the second rack (21), the upper part of the middle side of the placement box (15) is fixedly connected with a support frame (10), a second rack (21) and a fixed plate (20) are both in sliding connection with the support frame (10), the right end of the fixed plate (20) is fixedly connected with a triangular jacking block (22), the front and rear parts of the right side of the support frame (10) are both in sliding connection with the locking plate (11), the outer side of the locking plate (11) is both provided with an open slot (12), the middle part of the open slot (12) is both fixedly connected with a short shaft, the middle part of the open slot (12) is both provided with a bent rod (14), the middle side of the bent rod (14) is hinged with a hinged block, the hinged block is fixedly connected with the placement box (15), the upper side of the bent rod (14) is hinged with the short shaft, the left side and the right side of the lower part of the placement box (15) are both in sliding connection with a control plate (23), the lower side of the bent rod (14) is both hinged with the control plate (23), the inner side of the control plate (23) is both provided with a chute, the lower part of the inner side of the control plate (23) is both fixedly connected with a long rod (24), the long rod (24) is both in sliding connection with the placement box (15), the long rod (24) is both sleeved with a stretching spring, the outer end of the stretching spring is both fixedly connected with the placement box (15), and the inner end of the stretching spring is both fixedly connected with the long rod (24);

the transmission structure comprises a first worm wheel which is meshed with the first worm, the first worm wheel is fixedly connected with a second transmission rod, the second transmission rod is rotationally connected with the lathe bed (1), the lower side of the second transmission rod is connected with a third transmission rod (26) through a bevel gear set, the third transmission rod (26) is rotationally connected with the lathe bed (1), the rear side of the third transmission rod (26) is provided with a gear set accelerating structure, the left side of the gear set accelerating structure is provided with a fourth transmission rod (30), the fourth transmission rod (30) is rotationally connected with the lathe bed (1), the front side of the fourth transmission rod (30) is fixedly connected with a second gear (31), the second gear (31) is meshed with a third rack (33), and the third rack (33) is fixedly connected with the lifting plate (32);

the adjusting structure comprises a first connecting rod (37) hinged to the rear side of a moving rod (38), the upper side of the first connecting rod (37) is hinged to an adjusting plate (4), a third worm is fixedly connected to the right side of a third transmission shaft (34), the third worm is rotatably connected with a lathe bed (1), a third worm wheel is in meshed connection with the third worm, a fourth transmission shaft (39) is fixedly connected with the third worm wheel, the upper side of the fourth transmission shaft (39) is rotatably connected with the lathe bed (1), a third gear is fixedly connected to the lower end of the fourth transmission shaft (39), and the third gear is in meshed connection with a first rack (35).

2. An interventional catheter holder for cardiovascular and cerebrovascular care as set forth in claim 1, wherein: the gear set accelerating structure comprises a driving gear (27) fixedly connected with a third transmission rod (26), the driving gear (27) is connected with a transmission pinion in a meshed mode, the transmission pinion is fixedly connected with a connecting shaft, the connecting shaft is rotationally connected with the lathe bed (1), a transmission large gear (28) is fixedly connected to the rear side of the connecting shaft, an accelerating gear (29) is connected with the transmission large gear (28) in a meshed mode, and the accelerating gear (29) is fixedly connected with a fourth transmission rod (30).

3. An interventional catheter holder for cardiovascular and cerebrovascular care as set forth in claim 2, wherein: baffle plates (2) are fixedly connected to two sides of the lathe bed (1), a connecting plate (36) is fixedly connected to the lower portion of the rear side of the lathe bed (1), and the connecting plate (36) is in sliding connection with the moving rod (38).

4. An interventional catheter holder for cardiovascular and cerebrovascular care as set forth in claim 1, wherein: the lower side of the placement box (15) is connected with a locking rod (7) in a threaded manner.