An auxiliary device for open heart surgery

Abstract

The application discloses a kind of auxiliary devices for cardiovascular surgery of heart surgery, belong to medical instrument technical field, including catheter, first support assembly and second support assembly being installed at the front end of catheter, first support assembly is spaced apart and arranged in the front side of second support assembly, the inside of catheter is provided with the first air passage of axially extending, the front end of catheter is provided with the first sliding slot corresponding with first support assembly, one end of first air passage extends to the rear end of catheter, and the other end of first air passage is communicated with first sliding slot;First support assembly includes first arc outer bracing plate, first air bag, first sliding ring, first sliding tube, first elastic support device, first sliding ring is slidably arranged outside first sliding slot along the axial direction of catheter, and multiple first air bags are evenly arranged around catheter.The device can adjust the pushing angle of catheter when catheter encounters tortuous blood vessels, so that the operation can be carried out more smoothly.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical devices, and particularly relates to an auxiliary device for cardiovascular surgery in cardiac surgery. BACKGROUND

[0002] In order to timely respond to the condition of cardiovascular diseases, it is necessary to timely perform intubation treatment on patients. When intubation is performed, image observation is used to guide the tracheal catheter into the trachea, which provides a visual index for blind tracheal intubation, thereby effectively improving the intubation success rate, being beneficial to the recovery of patients, reducing the burden of patients and their families, and enabling patients to be treated faster and more comfortably. When intubation treatment is performed, an intubation device is often used to achieve the intubation treatment. When the catheter is inserted into the blood vessel, if the blood vessel is obviously tortuous, the catheter is not easy to be continuously pushed to the lesion position under the obstruction of the blood vessel wall, thereby prolonging the operation time and increasing the operation risk of the patient. SUMMARY

[0003] Therefore, the purpose of the present application is to provide an auxiliary device for cardiovascular surgery in cardiac surgery, which can conveniently adjust the pushing angle of the catheter when the catheter encounters a tortuous blood vessel, so that the operation can be more smoothly carried out.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] The auxiliary device for cardiovascular surgery in cardiac surgery disclosed by the present application comprises a catheter, a first support assembly and a second support assembly which are spaced apart and installed at the front end of the catheter, the first support assembly is arranged on the front side of the second support assembly, the inside of the catheter is provided with a first air channel which extends in the axial direction, the front end of the catheter is provided with a first sliding groove which corresponds to the first support assembly, one end of the first air channel extends to the rear end of the catheter, and the other end of the first air channel is in communication with the first sliding groove; the first support assembly comprises a first arc-shaped outer support plate, a first air bag, a first sliding ring, a first sliding tube and a first elastic support device, the first sliding ring is arranged on the outside of the first sliding groove in the axial direction of the catheter, a plurality of first air bags are uniformly arranged around the catheter, the first sliding ring is connected with the first arc-shaped outer support plate through the first air bag, a first hole is formed in the first sliding ring, one end of the first sliding tube is arranged in the first air channel in a sliding and sealed manner, the first sliding tube is fixedly connected with the first sliding ring and is in communication with the first air bag through the first hole in the inside of the first sliding ring, and the first elastic support device is arranged between the first sliding ring and the catheter.

[0006] Further, a ball groove is formed in the inside of the first sliding ring, a ball is rotatably arranged in the ball groove, the ball is in contact with the catheter, a groove is formed in the outside of the first sliding ring and is in communication with the ball groove, and the first air bag can extend into the ball groove after being inflated.

[0007] Further, the first elastic supporting device adopts a spring, the spring is sleeved outside the first sliding pipe, and two ends of the spring are fixedly connected with the first sliding ring and the guide pipe respectively.

[0008] Further, the outer side of the spring is provided with a corrugated expansion pipe, and two ends of the corrugated expansion pipe are fixedly connected with the first sliding ring and the guide pipe respectively.

[0009] Further, an axially extending second air channel is formed in the inner side of the guide pipe, a second sliding groove corresponding to the second supporting assembly is formed in the front end of the guide pipe, one end of the second air channel extends to the rear end of the guide pipe, and the other end of the second air channel is in communication with the second sliding groove; the second supporting assembly comprises a second arc-shaped outer supporting plate, a second air bag, a second sliding ring, a second sliding pipe and a second elastic supporting device, the second sliding ring is arranged outside the second sliding groove in the axial direction of the guide pipe, a plurality of second air bags are uniformly arranged around the guide pipe, the second sliding ring is connected with the second arc-shaped outer supporting plate through the second air bag, a second hole is formed in the second sliding ring, one end of the second sliding pipe is arranged in the second air channel in a sliding sealing mode, the second sliding pipe is fixedly connected with the second sliding ring and is in communication with the second air bag through the second hole in the inner side of the second sliding ring, and the second elastic supporting device is arranged between the second sliding ring and the guide pipe.

[0010] Further, a rounded corner is arranged at the front end of the guide pipe.

[0011] Further, a sleeve handle is arranged outside the rear end of the guide pipe, and the sleeve handle is in sliding cooperation with the guide pipe.

[0012] Further, the guide pipe comprises a guide pipe body, a front end pipe and a connecting pipe connecting the guide pipe body and the front end pipe, two ends of the connecting pipe are detachably connected with the guide pipe body and the front end pipe respectively, and the connecting pipe is located between the first supporting assembly and the second supporting assembly.

[0013] Further, two ends of the connecting pipe are threadedly connected with the guide pipe body and the front end pipe respectively, a transition pipe is fixedly arranged outside the connecting pipe, a through hole penetrating through two ends of the transition pipe is formed in the transition pipe, and the through hole is in communication with the first air channel on the guide pipe body and the front end pipe.

[0014] The application has the following beneficial effects:

[0015] The auxiliary device for cardiovascular surgery in cardiac surgery disclosed by the application is provided with the first supporting assembly at the front end of the guide pipe, the first supporting assembly comprises a plurality of groups of first air bags arranged around the guide pipe, and thus, by separately controlling each group of first air bags, the front end of the guide pipe can be deviated according to the inflation of the air bags to change the angle, thereby avoiding the problem that the front end of the guide pipe is directly in contact with the tortuous blood vessel in a front manner, and the pushing is not comfortable.

[0016] The auxiliary device discloses the angle control through the air bag, and the insertion position of the catheter is observed through the perspective, so that the control is simpler, the operation time is greatly reduced, and the damage to the blood vessel wall is reduced.

[0017] Other advantages, objects, and features of the present application will be apparent to those skilled in the art from the following specification, which is to be taken in conjunction with the accompanying drawings. The objects and other advantages of the present application can be achieved and attained by the structure particularly pointed out in the specification. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the purposes, technical solutions and beneficial effects of the present application clearer, the present application provides the following drawings for illustration:

[0019] Figure 1 The auxiliary device of the present application is a structural schematic diagram;

[0020] Figure 2 The auxiliary device of the present application is a structural schematic diagram; Figure 1 The auxiliary device of the present application is a structural schematic diagram;

[0021] Figure 3 The auxiliary device of the present application is a structural schematic diagram; Figure 1 The auxiliary device of the present application is a structural schematic diagram;

[0022] Figure 4 The auxiliary device of the present application is a structural schematic diagram;

[0023] In the drawings, the following marks are used: catheter 1, first support assembly 2, second support assembly 3, first air channel 4, first sliding groove 5, first arc-shaped outer support plate 6, first air bag 7, first sliding ring 8, first sliding tube 9, first elastic support device 10, first hole 11, ball groove 12, ball 13, groove 14, corrugated telescopic tube 15, second air channel 16, second sliding groove 17, second arc-shaped outer support plate 18, second air bag 19, second sliding ring 20, second sliding tube 21, second elastic support device 22, second hole 23, rounded corner 24, sleeve handle 25, catheter body 26, front-end tube 27, connecting tube 28, transition tube 29, through hole 30. DETAILED DESCRIPTION

[0024] As Figures 1-4 shown, the auxiliary device for cardiovascular surgery in the present application discloses a kind of, including catheter 1, first support assembly 2 and second support assembly 3 being installed at the front end of catheter 1, catheter 1 uses existing structure, according to stress condition, certain bending can be made.The first support assembly 2 and the second support assembly 3 are installed on catheter 1, the first support assembly 2 is arranged at the front side of the second support assembly 3, when the second support assembly 3 acts, the first support assembly 2 can guide the movement of catheter 1, but the change of main angle control is still realized by the second support assembly 3.

[0025] Further, the inner side of the catheter 1 is provided with an axially extending first air channel 4, of course, the axial extension here does not mean a completely straight extension, and can avoid the slotted position as needed to facilitate inflation and deflation. Each group of first air channels 4 corresponds to a group of first air bags 7, so that the independent control of each group of first air bags 7 can be realized. The front end of the catheter 1 is provided with a first sliding groove 5 corresponding to the first support assembly 2, the first sliding groove 5 is an annular groove and is provided on the outer side of the catheter 1, one end of the first air channel 4 extends to the rear end of the catheter 1 and is connected to an air pump, the other end of the first air channel 4 communicates with the first sliding groove 5; the first support assembly 2 comprises a first arc-shaped outer support plate 6, a first air bag 7, a first sliding ring 8, a first sliding tube 9 and a first elastic support device 10, the first sliding ring 8 is arranged on the outer side of the first sliding groove 5 and slides along the axial direction of the catheter 1, the inner diameter of the first sliding ring 8 is adapted to the outer diameter of the first sliding groove 5 of the catheter 1, so that the first sliding ring 8 can be displaced substantially along the axial direction.

[0026] A plurality of groups of first air bags 7 are uniformly arranged around the catheter 1, the first sliding ring 8 is connected with the first arc-shaped outer support plate 6 through the first air bag 7, the first sliding ring 8 is provided with a first hole 11 in the inner side, one end of the first sliding tube 9 is arranged in the first air channel 4 in a sliding and sealing manner, a sealing ring is arranged between the first sliding tube 9 and the first air channel 4 to ensure the sealing property, the first sliding tube 9 is fixedly connected with the first sliding ring 8 and communicates with the first air bag 7 through the first hole 11 in the inner side of the first sliding ring 8, and the first elastic support device 10 is arranged between the first sliding ring 8 and the catheter 1.

[0027] The specific working process is as follows: at the beginning, the first air bag 7 is deflated, the first arc-shaped outer support plate 6 is tightly attached to the first sliding ring 8 under the elastic force of the first air bag 7 and does not hinder the inner wall of the blood vessel. The catheter 1 is pushed to the specified position by a manual or existing pushing device, when the front end of the catheter 1 meets the tortuosity of the blood vessel, the inflation degree of each group of first air bags 7 is repeatedly adjusted and the catheter 1 is deflected under the pressure difference of each group of first air bags 7, when the deflection angle is consistent with the angle of the tortuosity of the blood vessel, the second support assembly 3 is stabilized, and the catheter 1 is continuously pushed inward for a distance until the front end of the blood vessel passes through the tortuosity of the blood vessel, the first air bag 7 and the second support assembly 3 are released by hand, and the catheter 1 is continuously pushed inward until the specified position is reached.

[0028] In the embodiment, the inner side of the first sliding ring 8 is provided with a ball groove 12, a ball 13 is installed in the ball groove 12 in a rolling manner, the ball 13 is in contact with the catheter 1, a recess 14 is provided on the outer side of the first sliding ring 8 and communicates with the ball groove 12, and the first air bag 7 can extend into the ball groove 12 after inflation. Through the ball 13, when the first air bag 7 is not inflated, the ball 13 is in rolling contact with the catheter 1, the friction between the catheter 1 and the first sliding ring 8 is reduced, and the first elastic support device 10 can push the first sliding ring 8 to the original position, and the whole process is more smooth.

[0029] In the embodiment, the first elastic supporting device 10 adopts a spring, the spring is sleeved outside the first sliding pipe 9, and two ends of the spring are fixedly connected with the first sliding ring 8 and the catheter 1 respectively.

[0030] In the embodiment, a corrugated expansion pipe 15 is installed outside the spring, two ends of the corrugated expansion pipe 15 are fixedly connected with the first sliding ring 8 and the catheter 1 respectively, and the corrugated expansion pipe 15 can prevent impurities from adhering to the spring, ensure the expansion performance of the spring, and increase the service life of the structure.

[0031] Similar to the first supporting assembly 2, in the embodiment, an axially extending second air channel 16 is arranged in the inside of the catheter 1, a second sliding groove 17 corresponding to the second supporting assembly 3 is arranged at the front end of the catheter 1, one end of the second air channel 16 extends to the rear end of the catheter 1, and the other end of the second air channel 16 is in communication with the second sliding groove 17; the second supporting assembly 3 comprises a second arc-shaped outer supporting plate 18, a second air bag 19, a second sliding ring 20, a second sliding pipe 21 and a second elastic supporting device 22, the second sliding ring 20 is arranged outside the second sliding groove 17 in the axial direction of the catheter 1, a plurality of second air bags 19 are uniformly arranged around the catheter 1, the second sliding ring 20 is connected with the second arc-shaped outer supporting plate 18 through the second air bag 19, a second hole 23 is arranged in the second sliding ring 20, one end of the second sliding pipe 21 is arranged in the second air channel 16 in a sliding sealing mode, the second sliding pipe 21 is fixedly connected with the second sliding ring 20 and is in communication with the second air bag 19 through the second hole 23 in the inside of the second sliding ring 20, and the second elastic supporting device 22 is arranged between the second sliding ring 20 and the catheter 1.

[0032] The second air bag 19 disclosed by the application can be connected to the same air pump, the expansion degrees of the second air bags 19 in each group are completely same, and the second supporting assembly 3 is mainly used for supporting the catheter 1 during pushing, so as to ensure the stability of the catheter 1 during inward pushing and not to affect the angle of the catheter 1.

[0033] In the embodiment, a round corner 24 is arranged at the front end of the catheter 1, which can reduce the damage to the blood vessel wall caused by the catheter 1 during pushing.

[0034] In the embodiment, the catheter 1 comprises a catheter body 26, a front-end tube 27, and a connecting tube 28 connecting the catheter body 26 and the front-end tube 27, two ends of the connecting tube 28 are detachably connected with the catheter body 26 and the front-end tube 27 respectively, and the connecting tube 28 is located between the first support assembly 2 and the second support assembly 3. By replacing the connecting tube 28 with different lengths, the distance between the first support assembly 2 and the second support assembly 3 can be changed to select a suitable pushing interval. For example, when the distance between the first support assembly 2 and the second support assembly 3 is longer, the turning process of the front end of the catheter 1 is more flexible, but the moving process of the catheter 1 is more stable, and the pushing pressure of the rear end of the catheter 1 is reduced.

[0035] In the embodiment, the two ends of the connecting tube 28 are threadedly connected with the catheter body 26 and the front-end tube 27 respectively, and a transition tube 29 is fixedly arranged on the outer side of the connecting tube 28, the transition tube 29 is provided with a through hole 30 penetrating through both ends of the transition tube 29, and the through hole 30 communicates the first air duct 4 on the catheter body 26 and the front-end tube 27, so that the first air duct 4 can be normally inflated and deflated.

[0036] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various modifications can be made in form and details without departing from the scope of the present application defined by the claims.

Claims

1. An auxiliary device for use in open-heart cardiovascular surgery, characterized in that: The utility model provides a kind of catheter, first support component and second support component are installed separately in the front end of catheter, the first support component is separately arranged in the front side of second support component, the inside of the catheter is provided with the first air passage extending axially, the front end of the catheter is provided with the first sliding slot corresponding with first support component, one end of the first air passage extends to the rear end of catheter, the other end of the first air passage is communicated with first sliding slot;The first support component includes first arc outer bracing plate, first air bag, first sliding ring, first sliding tube, first elastic support device, the first sliding ring is slidably arranged outside first sliding slot along the axial direction of catheter, multiple first air bags are evenly arranged around catheter, the first sliding ring is connected with first arc outer bracing plate by first air bag, the first sliding ring is provided with first hole in the inside, one end of the first sliding tube is slidably and sealingly arranged in first air passage, the first sliding tube is fixedly connected with first sliding ring and communicated with first air bag by first hole in the inside of first sliding ring, first elastic support device is arranged between the first sliding ring and catheter, each group of first air passage corresponds a group of first air bag, so the independent control of each group of first air bag can be realized;The inside of the first sliding ring is provided with ball groove, ball is rollingly installed in the ball groove, the ball is in contact with catheter, recess is communicated with the ball groove and arranged on the outside of the first sliding ring, the first air bag can extend into the ball groove after inflation;The first elastic support device uses spring, the spring is sleeved on the outside of the first sliding tube, and the two ends of the spring are fixedly connected with the first sliding ring and the catheter respectively;The inside of the catheter is provided with the second air passage extending axially, the front end of the catheter is provided with the second sliding slot corresponding with second support component, one end of the second air passage extends to the rear end of catheter, the other end of the second air passage is communicated with second sliding slot;The second support component includes second arc outer bracing plate, second air bag, second sliding ring, second sliding tube, second elastic support device, the second sliding ring is slidably arranged outside second sliding slot along the axial direction of catheter, multiple second air bags are evenly arranged around catheter, the second sliding ring is connected with second arc outer bracing plate by second air bag, the second sliding ring is provided with second hole in the inside, one end of the second sliding tube is slidably and sealingly arranged in second air passage, the second sliding tube is fixedly connected with second sliding ring and communicated with second air bag by second hole in the inside of second sliding ring, second elastic support device is arranged between the second sliding ring and catheter, second air bag can be connected to the same air pump, the inflation degree of each group of second air bag is completely same, and second support component is mainly used for supporting catheter when pushing.

2. An auxiliary device for use in cardiovascular surgery according to claim 1, characterized in that: The outside of the spring is installed with corrugated expansion pipe, and the two ends of the corrugated expansion pipe are fixedly connected with the first sliding ring and the catheter respectively.

3. The auxiliary device for cardiovascular surgery in cardiac surgery according to claim 1, characterized in that: The front end of the catheter is provided with a rounded corner.

4. The apparatus for assisting cardiovascular surgery in open heart surgery according to claim 1, characterized in that: The rear end of the catheter is installed with a sleeve handle on the outside, and the sleeve handle is in sliding cooperation with the catheter.

5. An auxiliary device for use in cardiovascular surgery according to any one of claims 1-4, characterized in that: The catheter comprises a catheter body, a front-end tube and a connecting tube connecting the catheter body and the front-end tube, two ends of the connecting tube are detachably connected with the catheter body and the front-end tube respectively, and the connecting tube is located between the first supporting assembly and the second supporting assembly.

6. An auxiliary device for use in cardiovascular surgery according to claim 5, characterized in that: Two ends of the connecting tube are threadedly connected with the catheter body and the front-end tube respectively, an outer side of the connecting tube is fixedly provided with a transition tube, a through hole penetrating through two ends of the transition tube is formed on the transition tube, and the through hole communicates a first air passage on the catheter body with a first air passage on the front-end tube.

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