CN213252446U

CN213252446U - Balloon dilatation catheter for cardiac interventional therapy

Info

Publication number: CN213252446U
Application number: CN202021864788.8U
Authority: CN
Inventors: 郭利斌; 李辉; 赵申
Original assignee: Nanjing Youdebang Medical Technology Co ltd
Current assignee: Nanjing Youdebang Medical Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-25
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a sacculus expansion pipe for heart intervention treatment, its structure includes the needle tubing, the pipe, the sacculus, the seal wire, adjusting device and stretching device, this design is provided with adjusting device through the pipe bottom face, pierce through the surface back with the needle tubing at medical personnel, use medical sticky tape to fix the needle tubing, then medical personnel rotate the swivel becket, the swivel becket rotates and drives the knob and rotate, and the knob rotates simultaneously the inboard screw thread that sets up together to rotate along the screw rod surface, thereby it carries out the lapse to drive the screw rod, the screw rod carries out the lapse along the sleeve inner wall, promote to rotate frame rebound, and it drives the fixed block and carries out the rebound to rotate the frame, make the pipe rotate through the fold pipe, reached and carried out angle regulation to the pipe, restricted beneficial effect moves when avoiding medical personnel to treat.

Description

Balloon dilatation catheter for cardiac interventional therapy

Technical Field

The utility model relates to the technical field of catheters, concretely relates to a sacculus expansion pipe for heart intervenes treatment.

Background

The heart intervention treatment is a novel cardiovascular disease diagnosis and treatment technology, does not need to open the chest, under the guidance of an imaging method, punctures a body surface blood vessel through a needle tube, expands a balloon to be sent to a lesion part by means of a catheter, and diagnoses and treats the heart disease by a specific heart catheter operation technology.

However, the angle of the catheter is not convenient to adjust after the skin of the existing catheter is pierced, so that the problem that medical staff are limited during action and treatment in the treatment process is caused, the knob is not convenient to extend and unfold, and the problem that the knob is small and the medical staff is not convenient to rotate and adjust is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the balloon dilatation catheter for the cardiac intervention treatment is provided, and the problem that the angle of the catheter is not convenient to adjust after the skin of the existing catheter is pierced, so that the medical staff is limited during action and treatment in the treatment process, the knob is not convenient to extend and expand, and the knob is small, so that the medical staff is not convenient to rotate and adjust is solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a sacculus expansion pipe for heart intervenes treatment, including needle tubing, pipe, sacculus, seal wire, adjusting device and stretching device, needle tubing top end middle-end is provided with the pipe, the sacculus pipe carries out sliding connection along the pipe inner wall, sacculus pipe left end is provided with the sacculus, the sacculus pipe carries out sliding connection along the seal wire surface, pipe bottom face is provided with adjusting device, the adjusting device middle-end is provided with stretching device.

Further, adjusting device comprises fold pipe, fixed block, pivot, rotation frame, screw rod, sleeve and knob, the pipe middle-end is provided with the fold pipe, pipe bottom end face right side is provided with the fixed block, it is connected to rotate the frame through pivot and fixed block rotation, it is provided with the screw rod to rotate frame bottom end face, the screw rod carries out sliding connection along the sleeve inner wall, the sleeve middle-end is provided with the knob to the knob carries out threaded connection with the screw rod.

Further, stretching device comprises swivel becket, slider groove, shrink groove, tensile pole, dead lever and spout, the knob surface is provided with the swivel becket, swivel becket right-hand member upside is provided with the slider, the slider carries out sliding connection along slider inslot wall, the inside left side of swivel becket is provided with the shrink groove, tensile pole carries out sliding connection along shrink inslot wall, shrink inslot wall left side middle-end is provided with the dead lever to tensile pole carries out sliding connection through dead lever and spout.

Furthermore, the surface of the rotating ring is provided with a non-slip mat, the non-slip mat is wrapped on the surface of the rotating ring, and non-slip lines are arranged on the surface of the non-slip mat.

Furthermore, the lower side of the right end of the sliding block is provided with an oblique angle, the oblique angle is 103 degrees, and the oblique angle surface is smooth.

Further, the right end of the slider groove is provided with a bevel wall, the surface of the bevel wall is smooth, and the angle of the bevel wall is 167 degrees.

Furthermore, the bottom end face of the screw rod is provided with a limiting block, the limiting block is circular, and the thickness of the limiting block is 1 mm.

Furthermore, the top end face of the rotating frame is provided with a semicircular angle, and the surface of the top end face of the semicircular angle is smooth.

Furthermore, the fixed block adopts stainless steel, makes the fixed block have the smooth effect that does benefit to the rotation in surface.

Furthermore, the screw rod is made of polypropylene, so that the screw rod has the effects of light weight and convenience in placement and storage.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) for solving current pipe and not being convenient for carry out angle regulation to the pipe after impaling the epidermis, the limited problem when having leaded to medical personnel to move and treat in the treatment process, be provided with adjusting device through pipe bottom face, pierce through the surface with the needle tubing at medical personnel, use medical sticky tape to fix the needle tubing, then medical personnel rotate the swivel becket, the swivel becket rotates and drives the knob and rotate, and the knob rotates simultaneously the inboard screw thread that sets up of knob together rotates along the screw rod surface, thereby drive the screw rod and carry out the lapse, the screw rod carries out the lapse along the sleeve inner wall, promote the rotation frame rebound, and the rotation frame drives the fixed block and carries out the rebound, make the pipe rotate through the fold pipe, reached and carried out angle regulation to the pipe, the limited beneficial effect of action when avoiding medical personnel to treat.

2) In order to solve the problem that the prior catheter is inconvenient to extend and unfold the knob, which causes the knob to be smaller and is inconvenient for medical care personnel to rotate and adjust, the middle end of the adjusting device is provided with the stretching device, when medical personnel need to rotate the rotating ring, the rotating ring slides downwards to enable the sliding block to slide downwards along the inner wall of the sliding block groove, the bevel angle arranged at the lower side of the right end of the sliding block slides along the surface of the bevel angle wall arranged on the inner wall of the sliding block groove, the rotating ring expands outwards under the inclined angle of the bevel angle wall when the bevel angle slides, one end of the rotating ring drives the stretching rod to slide when the stretching rod expands, the stretching rod slides along the inner wall of the contraction groove, and the sliding groove is driven to slide along the surface of the fixed rod when the stretching rod slides, thereby expand the swivel becket, increase the surface, reached and stretched the extension to the swivel becket, avoid the swivel becket less and be not convenient for medical personnel pivoted beneficial effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic front view of the adjusting device of the present invention;

FIG. 4 is a partial enlarged view of area A of the present invention;

FIG. 5 is a partial enlarged view of the area B of the present invention;

fig. 6 is a left side view schematic diagram of the stretching rod 75 of the present invention.

In the figure: the device comprises a needle tube-1, a catheter-2, a sacculus tube-3, a sacculus-4, a guide wire-5, an adjusting device-6, a corrugated tube-61, a fixed block-62, a rotating shaft-63, a rotating frame-64, a screw rod-65, a sleeve-66, a knob-67, a stretching device-7, a rotating ring-71, a slide block-72, a slide block groove-73, a contraction groove-74, a stretching rod-75, a fixed rod-76 and a sliding groove-77.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4, 5 and 6, the present invention provides a balloon dilatation catheter for cardiac interventional therapy: the balloon catheter comprises a needle tube 1, a catheter 2, a balloon tube 3, a balloon 4, a guide wire 5, an adjusting device 6 and a stretching device 7, wherein the catheter 2 is arranged at the middle end of the top end face of the needle tube 1, the balloon tube 3 is in sliding connection with the inner wall of the catheter 2, the balloon 4 is arranged at the left end of the balloon tube 3, the balloon tube 3 is in sliding connection with the surface of the guide wire 5, the adjusting device 6 is arranged on the bottom end face of the catheter 2, and the stretching device 7 is arranged at the middle end of the adjusting device 6.

Wherein, adjusting device 6 comprises fold pipe 61, fixed block 62, pivot 63, rotation frame 64, screw rod 65, sleeve 66 and knob 67, the pipe 2 middle-end is provided with fold pipe 61, pipe 2 bottom end face right side is provided with fixed block 62, it is connected with fixed block 62 to rotate frame 64 through pivot 63, it is provided with screw rod 65 to rotate frame 64 bottom end face, screw rod 65 carries out sliding connection along sleeve 66 inner wall, sleeve 66 middle-end is provided with knob 67 to knob 67 carries out threaded connection with screw rod 65.

The stretching device 7 is composed of a rotating ring 71, a slider 72, a slider groove 73, a contraction groove 74, a stretching rod 75, a fixing rod 76 and a sliding groove 77, wherein the surface of the knob 67 is provided with the rotating ring 71, the slider 72 is arranged on the upper side of the right end of the rotating ring 71, the slider 72 is connected with the inner wall of the slider groove 73 in a sliding manner, the contraction groove 74 is arranged on the left side inside the rotating ring 71, the stretching rod 75 is connected with the inner wall of the contraction groove 74 in a sliding manner, the fixing rod 76 is arranged at the middle end of the left side of the inner wall of the contraction groove 74, and the stretching rod 75 is connected with the sliding groove.

Wherein, the swivel ring 71 surface is provided with the slipmat, and the slipmat wraps up in swivel ring 71 surface to the slipmat surface is provided with anti-skidding line, has better skid-proof effect when making medical personnel rotate swivel ring 71.

Wherein, slider 72 right-hand member downside is provided with the oblique angle, and the oblique angle is 103 to the oblique angle surface is smooth, makes slider 72 have better sliding effect.

The right end of the slider groove 73 is provided with a bevel wall, the surface of the bevel wall is smooth, and the angle of the bevel wall is 167 degrees, so that the slider 72 has a better sliding effect and a better expansion effect on the rotating ring 71.

Wherein, screw rod 65 bottom end face is provided with the stopper, and the stopper is circular to stopper thickness is 1mm, makes screw rod 65 avoid the telescopic effect of roll-off.

Wherein, the top end face of the rotating frame 64 is provided with a semicircular angle, and the surface of the top end face of the semicircular angle is smooth, so that the rotating frame 64 has a better rotating effect and avoids the effect of rotation limitation.

The fixed block is made of stainless steel, so that the fixed block has the effect that the surface is smooth and rotation is facilitated.

The screw rod is made of polypropylene, so that the screw rod has the effects of light weight and convenience in placement and storage.

The screw of this patent uses polypropylene, which is a polymer formed by the addition polymerization of propylene. The wax is a white wax-like material, has transparent and light appearance, is inflammable with the density of 0.89-0.91 g/cm3, has the melting point of 165 ℃, is softened at about 155 ℃, has the use temperature range of-30-140 ℃, can resist the corrosion of acid, alkali, salt solution and various organic solvents at the temperature below 80 ℃, and can be decomposed under the action of high temperature and oxidation.

The working principle is as follows: when medical staff needs to treat a patient, the needle tube 1 is firstly punctured through the skin surface of the patient, then the needle head is punctured through the blood vessel wall, then the medical staff fixes the needle tube 1 by using a medical adhesive tape, when the medical staff needs to adjust the angle of the catheter 2, the rotating ring 71 slides downwards firstly, so that the sliding block 72 slides downwards along the inner wall of the sliding block groove 73, the bevel angle arranged at the lower side of the right end of the sliding block 72 slides along the surface of the bevel angle wall arranged on the inner wall of the sliding block groove 73, the rotating ring 71 is expanded outwards by the inclined angle of the bevel angle wall when the bevel angle slides, one end of the rotating ring 71 drives the stretching rod 75 to slide when the stretching rod 75 slides, so that the stretching rod 75 slides along the inner wall of the contraction groove 74, the sliding groove 77 is driven to slide along the surface of the fixing rod 76 when the stretching rod 75 slides, thereby expanding the rotating ring 71, the beneficial effect that the rotation ring is small and is inconvenient for the medical staff to rotate is avoided, then the medical staff rotates the rotation ring 71, the rotation ring 71 rotates to drive the knob 67 to rotate, the knob 67 rotates, the inner side of the knob 67 is provided with threads to rotate along the surface of the screw rod 65, so as to drive the screw rod 65 to slide upwards, the screw rod 65 slides upwards along the inner wall of the sleeve 66, the rotation frame 64 is pushed to move upwards, the rotation frame 64 drives the fixing block 62 to move upwards, the catheter rotates through the corrugated tube 61, the angle adjustment of the catheter 2 is achieved, the beneficial effect that the movement of the medical staff is limited during treatment is avoided, then the guide wire 5 penetrates into the blood vessel through the catheter 2, then the sacculus tube 3 is pushed to drive the sacculus 4 to slide along the surface of the guide wire 5 to the position where the blood vessel needs to be dilated, then the sacculus tube 3, and expanding the blood vessel blockage.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sacculus expansion pipe for cardiac intervention treatment, includes needle tubing (1), pipe (2), sacculus pipe (3), sacculus (4) and seal wire (5), its characterized in that still includes: adjusting device (6) and stretching device (7), needle tubing (1) top terminal surface middle-end is provided with pipe (2), sacculus pipe (3) carry out sliding connection along pipe (2) inner wall, sacculus pipe (3) left end is provided with sacculus (4), sacculus pipe (3) carry out sliding connection along seal wire (5) surface, pipe (2) bottom terminal surface is provided with adjusting device (6), adjusting device (6) middle-end is provided with stretching device (7).

2. The balloon dilatation catheter for cardiac interventional therapy according to claim 1, wherein the adjusting device (6) is composed of a corrugated tube (61), a fixed block (62), a rotating shaft (63), a rotating frame (64), a screw rod (65), a sleeve (66) and a knob (67), the corrugated tube (61) is arranged at the middle end of the catheter (2), the fixed block (62) is arranged at the right side of the bottom end face of the catheter (2), the rotating frame (64) is rotatably connected with the fixed block (62) through the rotating shaft (63), the screw rod (65) is arranged at the bottom end face of the rotating frame (64), the screw rod (65) is slidably connected along the inner wall of the sleeve (66), the knob (67) is arranged at the middle end of the sleeve (66), and the knob (67) is in threaded connection with the screw rod (65).

3. A balloon dilation catheter for cardiac intervention according to claim 2, the stretching device (7) consists of a rotating ring (71), a slide block (72), a slide block groove (73), a contraction groove (74), a stretching rod (75), a fixed rod (76) and a sliding groove (77), a rotating ring (71) is arranged on the surface of the knob (67), a slide block (72) is arranged on the upper side of the right end of the rotating ring (71), the slide block (72) is connected with the inner wall of the slide block groove (73) in a sliding way, a contraction groove (74) is arranged at the left side in the rotating ring (71), the stretching rod (75) is connected with the inner wall of the contraction groove (74) in a sliding way, the middle end of the left side of the inner wall of the contraction groove (74) is provided with a fixed rod (76), and the stretching rod (75) is connected with the sliding groove (77) in a sliding way through the fixing rod (76).

4. The balloon dilatation catheter for cardiac interventional therapy according to claim 3, wherein the surface of the rotating ring (71) is provided with a non-slip mat, the non-slip mat wraps the surface of the rotating ring (71), and the surface of the non-slip mat is provided with non-slip lines.

5. A balloon dilatation catheter for cardiac interventions according to claim 3 characterized in that the slider (72) right end underside is provided with a bevel angle of 103 ° and the bevel surface is smooth.

6. A balloon dilatation catheter for cardiac interventions according to claim 3 characterized in that the slider slot (73) is provided with bevelled walls at the right end, the bevelled wall surface being smooth and the bevelled wall angle being 167 °.

7. The balloon dilatation catheter for cardiac interventional therapy according to claim 2, wherein the bottom end face of the screw (65) is provided with a stopper, the stopper is circular and the thickness of the stopper is 1 mm.

8. A balloon dilatation catheter for cardiac interventional therapy according to claim 2 wherein the top end surface of the rotating frame (64) is provided with a rounded corner and the surface of the rounded corner top end surface is smooth.