CN113198087A

CN113198087A - Coronary angiography anti-reflux device

Info

Publication number: CN113198087A
Application number: CN202110508535.XA
Authority: CN
Inventors: 孙丽娜; 毛玉兰; 刘微微
Original assignee: Shenzhen Maipuqi Medical Technology Co ltd
Current assignee: Shenzhen Maipuqi Medical Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-08-03
Anticipated expiration: 2041-05-11
Also published as: CN113198087B

Abstract

The invention relates to the technical field of medical instruments and discloses a coronary angiography anti-reflux device; drive two change rings through the card hole and rotate on the surface of connecting cylinder, and utilize the kicking block top to move the fixed block and rotate in the inside of connecting cylinder, finally utilize top joint pinhole, it is fixed to form the fixed block, and utilize the fixed block to fix the radiography pipe, the rotation through the rotary column drives the commentaries on classics tooth and rotates, utilize the meshing effect of commentaries on classics tooth and two fan teeth, thereby drive the bull stick and rotate, the rotation that utilizes the bull stick drives two spoilers and rotates, and through the pointer at the concrete instruction on calibrated scale surface, can make things convenient for medical personnel to carry out nimble fixed to the radiography pipe of unidimensional not, make things convenient for medical personnel's concrete work, can carry out nimble control to the inside blood throughput of radiography pipe and through pressure, prevent to cause the damage to patient's health, in order to avoid taking place serious medical accident.

Description

Coronary angiography anti-reflux device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a coronary angiography anti-reflux device.

Background

The contrast catheter is a key device for percutaneous angiography, and has proper hardness, elasticity, flexibility and torsion; should have good X-ray transmission performance; the shape memory is good, the tube wall is smooth, the contrast performance is high, the thrombosis performance is controlled in the lowest range, and the contrast catheter is an elongated rubber tube and mainly used for providing a catheter guide so that a contrast agent can be smoothly introduced into a blood vessel to generate a contrast effect. Therefore, a contrast catheter should have the following basic conditions: the inner pipe is soft and smooth to generate high flow; the developing performance is high; the non-traumatic head end needs to have extremely high original shape keeping performance and is not easy to deform; the guide wire can be easily passed, and the catheters used for interventional diagnosis and treatment of peripheral vascular diseases are more in types and can be divided into a diagnosis contrast catheter and a treatment catheter, and the diagnosis contrast catheter can be divided into a selective contrast catheter and a non-selective contrast catheter, wherein the commonly used non-selective contrast catheters comprise: the catheter used for treating different external vascular parts is basically the same as the selective radiography catheter, and the thrombolytic catheter used for treating is designed for multiple side holes, and the arteriography catheter is suitable for an important device in the process of arterial vascular treatment and is usually subjected to the condition of countercurrent when in specific use, so that the countercurrent prevention treatment is an important work for the arteriography catheter.

However, the existing devices often have problems that firstly, the existing devices mostly prevent the occurrence of the backflow situation by arranging a simple valve inside the re-catheter, but the valve forms a certain backflow prevention function under normal conditions, but once an emergency situation occurs, the backflow prevention function of the valve is very likely to cause the situation that the valve cannot work normally, the arteriography catheter cannot work normally, and accidents may occur, and the existing devices cannot flexibly adjust the throughput of the catheter, and may sometimes the physical condition of the patient cannot adapt to the throughput of the high-pressure blood flow, and the throughput of the blood in the catheter needs to be controlled, so as to specifically adjust the pressure, but the existing devices lack the function and may cause serious injury to the body of the patient due to the fact that the flexible control cannot be performed during specific use, even life danger takes place, be unfavorable for the normal development of medical treatment work, influence medical personnel's concrete work, secondly, current device can not satisfy and can carry out nimble fixed to the radiography pipe, and the fixed dimension is comparatively stable, can not carry out nimble fixed according to the different sizes radiography pipes of chooseing for use, causes dropping of radiography pipe very easily, influences its normal work, for this reason, we especially propose a coronary artery radiography and prevent against current device and solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a coronary artery angiography anti-reflux device which has the advantages of conveniently and effectively fixing angiography catheters with different sizes, flexibly adjusting the blood throughput in the catheters and controlling the pressure, and solves the problems that the conventional device cannot adjust the fixed size, cannot adapt to different angiography catheters, and cannot flexibly adjust the blood throughput and the passing pressure in the angiography catheters.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-reflux device for coronary angiography comprises a connecting cylinder, wherein the left side and the right side of the surface of the connecting cylinder are respectively sleeved with a rotating ring in a rotating way, the peripheries of the inner walls of the left side and the right side of the connecting cylinder are all hinged with fixed blocks, the peripheries of the inner walls of the rotating rings are all bolted with ejector blocks, the other end of the top block extends into the connecting cylinder and is connected with the fixed block in a sliding way, the middle part of the top part of the surface of the connecting cylinder is bolted with a connecting seat, the front side and the rear side of the middle part of the inner wall of the connecting cylinder are connected with two rotating rods in a co-rotating way, the surface of the two rotating rods positioned in the connecting cylinder is fixedly sleeved with a spoiler, the spoiler is matched with the inner wall of the connecting cylinder, through holes are formed in the two sides of the top of the inner wall of the connecting cylinder in a penetrating manner, the bull stick extends to the inside of connecting seat and bolted toothed plate through the opening, two the meshing has the commentaries on classics tooth between the toothed plate, the fixed cover in inside of changeing the tooth has connect the rotary column.

Preferably, the top of connecting seat is embedded to have the calibrated scale, the surface of rotary column is located the surface bolt of connecting seat inner wall and has the pointer, pointer and calibrated scale sliding connection.

Preferably, the rotary column extends to the top of the connecting seat, one end of the rotary column, which is positioned at the top of the connecting seat, is bolted with a rotary disc, and the top of the rotary disc is bolted with a clamping ring.

Preferably, the surface of the rotating column, which is positioned at the top of the connecting seat, is fixedly sleeved with a limiting ring, the surface of the limiting ring is provided with a plurality of jacks, plugs are inserted into the jacks, and the tops of the plugs are bolted with pull rings.

Preferably, the other end of the plug is slidably connected with the base, and one end of the plug, which is located inside the base, is bolted with a connecting block.

Preferably, both sides of the connecting block are slidably connected with the inside of the base, the bottom of the connecting block is bolted with a spring, and the other end of the spring is bolted with the bottom of the inner wall of the base.

Preferably, one end of the inner wall of the ejecting block is bolted with an ejecting spring, the other end of the ejecting spring is bolted with an ejecting head, one side of the fixed block is provided with a pin hole, and the pin hole is spliced with the ejecting head.

Preferably, the two sides of the top head are bolted with sliding blocks, and the sliding blocks are connected with the inner wall of the top block in a sliding mode.

Preferably, two the right side at swivel top all runs through and is equipped with the card hole, the opposite side bonding of fixed block has the protection pad.

Preferably, two the fixed cover that has connect the seal cover that the surface that the bull stick is located the inside port, the seal cover and port looks adaptation.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the two rotating rings are driven to rotate on the surface of the connecting cylinder through the clamping holes, the fixed block is pushed to rotate in the connecting cylinder by the ejector block, and finally the ejector head is clamped with the pin hole to fix the fixed block;

2. the invention drives the rotating teeth to rotate through the rotation of the rotating column, drives the rotating rod to rotate by utilizing the meshing action of the rotating teeth and the two fan teeth, drives the two spoilers to rotate by utilizing the rotation of the rotating rod, and can flexibly control the blood throughput and the pressure passing through the interior of the radiography conduit through the specific indication of the pointer on the surface of the dial scale, thereby preventing the body of a patient from being damaged and avoiding serious medical accidents.

Drawings

FIG. 1 is a perspective view of the inventive structure;

FIG. 2 is a right side cross-sectional view of a patented connector of the invention;

FIG. 3 is a schematic left side cross-sectional view of a connector barrel according to the present invention;

FIG. 4 is a schematic cross-sectional view of a patent base according to the present invention;

FIG. 5 is a schematic cross-sectional view of a patent top block of the present invention;

FIG. 6 is a perspective view of a portion of the patent mounting block of the present invention;

FIG. 7 is an enlarged view of a portion of the section A in FIG. 1;

fig. 8 is a partially enlarged view of the position B in fig. 3 according to the present invention.

In the figure: 1. a connecting cylinder; 2. rotating the ring; 3. a fixed block; 4. a top block; 5. a connecting seat; 6. a rotating rod; 7. a spoiler; 8. a port; 9. sector gear; 10. rotating the teeth; 11. turning the column; 12. a dial scale; 13. a pointer; 14. a turntable; 15. a snap ring; 16. a limiting ring; 17. a jack; 18. a plug; 19. a pull ring; 20. a base; 21. connecting blocks; 22. a spring; 23. a spring is supported; 24. ejecting the head; 25. a pin hole; 26. a slider; 27. a clamping hole; 28. a protective pad; 29. and (5) sealing the sleeve.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a coronary angiography anti-reflux device comprises a connecting cylinder 1, wherein a rotating ring 2 is rotatably sleeved on the left side and the right side of the surface of the connecting cylinder 1, fixed blocks 3 are hinged on the peripheries of the inner walls of the left side and the right side of the connecting cylinder 1, ejector blocks 4 are bolted on the peripheries of the inner walls of the rotating ring 2, and the other ends of the ejector blocks 4 extend into the connecting cylinder 1 and are in sliding connection with the fixed blocks 3.

Referring to fig. 2, a top spring 23 is bolted to one end of the inner wall of the top block 4, a top 24 is bolted to the other end of the top spring 23, a pin hole 25 is formed in one side of the fixing block 3, the pin hole 25 is in insertion connection with the top 24, and by arranging the top spring 23, the top 24 and the pin hole 25, the fixing block 3 can be fixed by inserting the pin hole 25 through the top 24 after the swivel 2 drives the fixing block 3 to fix the angiography catheter.

Referring to fig. 2, 5 and 6, the sliding blocks 26 are bolted to both sides of the plug 24, the sliding blocks 26 are slidably connected to the inner wall of the top block 4, and the sliding blocks 26 are arranged to ensure that the plug 24 slides stably in the top block 4, thereby ensuring smooth operation.

Referring to fig. 1, 2 and 5, the right side of the top of the swivel ring 2 is provided with a locking hole 27, the other side of the fixing block 3 is adhered with a protection pad 28, the locking hole 27 and the protection pad 28 are arranged, so that the swivel ring 2 can be conveniently rotated by medical personnel, and the fixing block 3 can be prevented from damaging the radiography catheter.

Referring to fig. 1, 3 and 8, a connecting seat 5 is bolted at the middle part of the top of the surface of a connecting cylinder 1, two rotating rods 6 are rotatably connected at the front and back sides of the middle part of the inner wall of the connecting cylinder 1, a spoiler 7 is fixedly sleeved on the surface of the two rotating rods 6 positioned in the connecting cylinder 1, the spoiler 7 is matched with the inner wall of the connecting cylinder 1, through openings 8 are formed in the two sides of the top of the inner wall of the connecting cylinder 1, the rotating rods 6 extend into the connecting seat 5 through the openings 8 and are bolted with sector teeth 9, rotating teeth 10 are meshed between the two sector teeth 9, rotating columns 11 are fixedly sleeved in the rotating teeth 10, the rotating columns 11 drive the rotating teeth 10 to rotate, the rotating rods 6 are driven to rotate by the rotation of the rotating rods 6, and the two spoilers 7 are driven to rotate by the rotation of pointers 13 specifically indicated on the surface of a dial 12, the blood passing amount and the passing pressure in the radiography conduit can be flexibly controlled, and the body of a patient is prevented from being damaged, so that serious medical accidents are avoided.

Referring to fig. 1, a dial 12 is embedded in the top of the connecting seat 5, a pointer 13 is bolted to the surface of the rotating column 11, which is located on the inner wall of the connecting seat 5, the pointer 13 is connected with the dial 12 in a sliding manner, and the dial 12 and the pointer 13 are arranged, so that medical personnel can conveniently and visually observe the opening and closing angles of the two spoilers 7, and the control is convenient.

Referring to fig. 1 and 3, the rotary column 11 extends to the top of the connecting seat 5, one end of the rotary column 11 located at the top of the connecting seat 5 is bolted with a rotary disc 14, the top of the rotary disc 14 is bolted with a snap ring 15, and through the arrangement of the rotary disc 14 and the snap ring 15, the doctor and the patient can conveniently rotate the rotary column 11, so that the work can be smoothly performed.

Referring to fig. 1 and 7, a limiting ring 16 is fixedly sleeved on the surface of the rotary column 11 at the top of the connecting seat 5, a plurality of insertion holes 17 are formed on the surface of the limiting ring 16, a plug 18 is inserted into the insertion holes 17, a pull ring 19 is bolted on the top of the plug 18, the limiting ring 16, the insertion holes 17, the plug 18 and the pull ring 19 are arranged to limit and fix the rotary column 11 in rotation, and the plug 18 can be pulled by the pull ring 19, so that the plug 18 can be conveniently inserted into the insertion holes 17

Referring to fig. 1 and 7, the other end of the plug 18 is slidably connected to a base 20, and one end of the plug 18 located inside the base 20 is bolted to a connecting block 21, so that the plug 18 can be effectively fixed and limited by the base 20.

Referring to fig. 1, 4 and 7, both sides of the connecting block 21 are slidably connected to the inside of the base 20, the spring 22 is bolted to the bottom of the connecting block 21, the other end of the spring 22 is bolted to the bottom of the inner wall of the base 20, and by arranging the connecting block 21 and the spring 22, the plug 18 can be conveniently and stably slid in the base 20, and the plug 18 can be conveniently inserted into the jack 17.

Referring to fig. 2, the sealing sleeve 29 is fixedly sleeved on the surface of the two rotating rods 6 inside the port 8, the sealing sleeve 29 is matched with the port 8, and the sealing sleeve 29 is arranged to seal the inner wall of the connecting cylinder 1 to prevent leakage.

The working principle is as follows: firstly, the connecting cylinder 1 is placed between two radiography guide tubes, then the opposite ends of the two radiography guide tubes are respectively inserted into the two ends of the connecting cylinder 1, then medical staff can utilize the clamping hole 27 to rotate the rotating ring 2, the rotating ring 2 rotates to drive the ejector block 4 to eject the fixed block 3, so that the radiography guide tubes can be stably and effectively fixed by the fixed block 3, and can utilize the ejector spring 23 to eject the ejector head 24, and the ejector head 24 is inserted into the pin hole 25 to limit and fix the fixed block 3, then the pull ring 19 is utilized to drive the plug 18 to slide in the base 20, so that the plug 18 is not spliced with the limit ring 16, and then the medical staff can utilize a tool to hook the clamping ring 15 to drive the rotating disc 14 to rotate, so that the rotating disc 14 can be utilized to drive the rotating column 11 to rotate, the rotating tooth 10 is driven to rotate by the rotation of the rotating column 11, and the rotating tooth 10 can be utilized to drive the two fan teeth 9 to rotate to a certain extent, so as to drive two bull sticks 6 and rotate, finally utilize the rotation of bull stick 6 to drive two spoilers 7 and rotate, and can utilize the rotation of rotary column 11 to drive pointer 13 and carry out certain slip on the surface of calibrated scale 12, so as to can be according to the pointer 13 specific instruction on calibrated scale 12 surface, confirm the angle that two spoilers 7 opened and shut, conveniently carry out nimble control to the blood throughput and the pressure of connecting cylinder 1 inside, prevent accident, afterwards, can utilize the effect of spring 22 to pull back plug 18 normal position, and make plug 18 reinsert jack 17, so as to this form stable spacing fixedly to the rotation of rotary column 11, can accomplish work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A coronary angiography anti-reflux device comprises a connecting cylinder (1), and is characterized in that: the left side and the right side of the surface of the connecting cylinder (1) are both rotatably sleeved with a rotating ring (2), the peripheries of the inner walls of the left side and the right side of the connecting cylinder (1) are all hinged with fixed blocks (3), the peripheries of the inner walls of the rotating ring (2) are all bolted with ejector blocks (4), the other ends of the ejector blocks (4) extend to the inside of the connecting cylinder (1) and are in sliding connection with the fixed blocks (3), the middle part of the top part of the surface of the connecting cylinder (1) is in bolted connection with a connecting seat (5), the front side and the rear side of the middle part of the inner wall of the connecting cylinder (1) are in co-rotation connection with two rotating rods (6), the surfaces of the rotating rods (6) positioned inside the connecting cylinder (1) are fixedly sleeved with spoilers (7), the spoilers (7) are in fit with the inner wall of the connecting cylinder (1), the two sides of the top part of the inner wall of the connecting cylinder (1) are in co-rotation with through openings (8), the rotating rods (6) extend to the inside of the connecting seat (5) through the openings (8) and are in bolted connection with fan teeth (9), a rotating tooth (10) is meshed between the two sector teeth (9), and a rotating column (11) is fixedly sleeved inside the rotating tooth (10).

2. The apparatus of claim 1, wherein: the top of connecting seat (5) is embedded to have calibrated scale (12), the surface bolt that is located the connecting seat (5) inner wall on the surface of rotary column (11) has pointer (13), pointer (13) and calibrated scale (12) sliding connection.

3. The apparatus of claim 1, wherein: the rotary column (11) extends to the top of the connecting seat (5), a rotary disc (14) is bolted to one end, located at the top of the connecting seat (5), of the rotary column (11), and a clamping ring (15) is bolted to the top of the rotary disc (14).

4. The apparatus of claim 1, wherein: the surface of the rotating column (11) positioned at the top of the connecting seat (5) is fixedly sleeved with a limiting ring (16), the surface of the limiting ring (16) is provided with a plurality of jacks (17), the insides of the jacks (17) are inserted with plugs (18), and the tops of the plugs (18) are bolted with pull rings (19).

5. The apparatus of claim 4, wherein: the other end of the plug (18) is connected with a base (20) in a sliding mode, and one end, located inside the base (20), of the plug (18) is connected with a connecting block (21) in a bolted mode.

6. The apparatus of claim 5, wherein: the two sides of the connecting block (21) are connected with the inside of the base (20) in a sliding mode, the bottom of the connecting block (21) is connected with a spring (22) in a bolted mode, and the other end of the spring (22) is connected with the bottom of the inner wall of the base (20) in a bolted mode.

7. The apparatus of claim 1, wherein: one end of the inner wall of the ejector block (4) is bolted with an ejector spring (23), the other end of the ejector spring (23) is bolted with an ejector head (24), one side of the fixed block (3) is provided with a pin hole (25), and the pin hole (25) is spliced with the ejector head (24).

8. The apparatus of claim 7, wherein: and sliding blocks (26) are bolted to two sides of the ejector head (24), and the sliding blocks (26) are in sliding connection with the inner wall of the ejector block (4).

9. The apparatus of claim 1, wherein: two the right side at swivel (2) top all runs through and is equipped with card hole (27), the opposite side bonding of fixed block (3) has protection pad (28).

10. The apparatus of claim 1, wherein: two the fixed cover in the surface that bull stick (6) are located inside port (8) has connect seal cover (29), seal cover (29) and port (8) looks adaptation.