CN216798464U - PTA balloon catheter easy to operate - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a PTA balloon catheter with simple operation, the catheter body is provided with a propelling component, the propelling component comprises a mounting seat, a first gear, a second gear, a first knob, two guide wheels and two rotating shafts, the two rotating shafts are positioned on the mounting seat, the first gear and the second gear are respectively sleeved on the two rotating shafts, the first gear and the second gear are meshed and connected, the two guide wheels are respectively sleeved on the two rotating shafts, the catheter body is positioned between the two guide wheels, the first knob is sleeved on the top of the rotating shaft where the first gear is positioned, a doctor can simultaneously rotate the two guide wheels by rotating the first knob with one hand, the catheter body is pushed into the blood vessel by the two guide wheels, the other hand can adjust the inflation component, the problem that a plurality of doctors can cooperate to carry out treatment on a patient is solved by inflating the air bag.

Description

PTA balloon catheter easy to operate

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a PTA balloon catheter easy to operate.

Background

Along with the change of market economy, the change of the life style and diet of people, more and more diabetic patients tend to be younger, according to relevant material statistics, the number of the diabetic patients in China reaches more than 4800 ten thousand at present, and the number of the diabetic patients in the world reaches about two hundred million. Prolonged diabetes often causes lower limb arterial stenosis, resulting in leg and lower limb ulceration, and severe conditions require amputation. In order to solve the disease, the steel needle is adopted to penetrate into the blood vessel, the saccule is pushed into the blood vessel along the steel needle, and the saccule is inflated and expanded through the inflation assembly, so that the purpose of treatment is achieved.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to solve the above problems in the prior art by providing a PTA balloon catheter which is simple to operate and solves the technical problem of multiple medical staff cooperating together to treat a patient through the structure of the propelling assembly.

In order to solve the problems of the prior art, the utility model adopts the technical scheme that:

a PTA sacculus catheter with simple operation, which comprises a steel needle, a sacculus, a catheter body and an inflation assembly, the catheter body is sleeved on the steel needle, one end of the catheter body is connected with the balloon, the other end of the catheter body is connected with the inflation component, the pipe body is provided with a propelling assembly, the propelling assembly comprises a mounting seat, a first gear, a second gear, a first knob, two guide wheels and two rotating shafts, the mounting seat is of a rectangular plate-shaped structure, the two rotating shafts are in two sides in the width direction of the mounting seat in a vertical state respectively, the first gear and the second gear are respectively sleeved on the bottoms of the two rotating shafts, the first gear and the second gear are meshed and connected, the two guide wheels are respectively sleeved on the two rotating shafts, the pipe body is located between the two guide wheels, and the top of the rotating shaft where the first gear is located is sleeved on the first knob.

Preferably, be cylindrical structure on the sacculus, be provided with a plurality of encircles on the sacculus rather than the axis setting the support bar, the internal connection of support bar and sacculus.

Preferably, still be provided with the latex ball that aerifys to the pipe body on the subassembly of aerifing, be provided with the second knob that is used for aerifing or deflating on the latex ball.

Preferably, the inflation assembly is further provided with a pressure gauge for detecting the pressure in the blood vessel.

Preferably, the lower part of the mounting seat is provided with two bandages made of elastic materials, and the joint of the two bandages is provided with a magic tape.

Preferably, one end of the balloon close to the steel needle is provided with a first magnetic block, and the steel needle is provided with a second magnetic block matched with the first magnetic block.

Compared with the prior art, the beneficial effect of this application is:

1. the application provides a propulsion assembly for the doctor just can rotate two leading wheels through one hand rotation first knob, pushes away the pipe body along the steel needle into the blood vessel through two leading wheels, and another hand can be through adjusting inflation assembly, thereby aerifys the gasbag, has reduced the operation that many doctors 'cooperation could be to patient's treatment.

2. The balloon provided by the application is provided with the plurality of supporting strips, and the supporting strips are connected with the inside of the balloon, so that the supporting strips are expanded when the balloon is expanded, blood vessels of a patient are supported by the supporting strips, the blood vessels cannot be blocked, blood can flow through gaps among the plurality of supporting strips, and the problem that the balloon needs to stay in the blood vessels for a period of time when being expanded, the defect that the blood flows inconveniently, and temporary blood blockage in the blood vessels is easily caused is solved;

3. the inflation assembly provided by the application is provided with the latex ball, the latex ball is held by one hand and is extruded so as to inflate the catheter body, and the gas in the catheter body can be decompressed through the second knob, so that the air pressure in the catheter is controlled, and the problem that the inflation assembly is generally inflated through a manual inflator and is inconvenient for a doctor to operate by one hand is solved;

4. the inflation assembly provided by the application can visually check the air pressure condition of the catheter body in the blood vessel through the arrangement of the pressure gauge, so that a doctor can conveniently control the air pressure in the catheter body through the latex ball through the numerical value of the pressure gauge, the doctor can conveniently operate the inflation assembly, and the problem that the inflation assembly still has the defect that the air pressure is inconvenient to check is solved;

5. the mounting seat can be fixed on the trunk of a patient through the binding bands, the catheter body can be conveniently pushed along the steel needle through the pushing assembly, the binding bands made of elastic materials and the magic tapes can be conveniently fixed for patients with different body types, the magic tapes are used for fixing the connecting positions of the two binding bands, operation is convenient, and the problem that the mounting seat still has the defect of inconvenient fixation is solved;

6. the steel needle provided by the application is convenient to fix the position of the saccule through the first magnetic block and the second magnetic block which are attracted together, so that the saccule is expanded; when the sacculus is taken out, the steel needle is driven to move, so that the catheter body and the steel needle can be conveniently taken out together from the blood vessel of a patient, the operation steps are reduced, and the problem that the steel needle still has the defect of inconvenient taking out is solved.

Drawings

FIG. 1 is a perspective view of the whole of the embodiment;

FIG. 2 is a perspective view of the propulsion assembly of the embodiment in its entirety;

FIG. 3 is a perspective view of a portion of a propulsion assembly according to an embodiment;

FIG. 4 is a partial top view of the propulsion assembly of an embodiment;

FIG. 5 is a side view of the catheter body and steel needle of an embodiment;

FIG. 6 is a schematic perspective view of an inflation assembly of an embodiment;

FIG. 7 is a schematic cross-sectional view of the balloon, the rail body and the steel needle of the embodiment;

FIG. 8 is a cross-sectional structural schematic view of an airbag and a rail body of an embodiment;

FIG. 9 is an enlarged schematic view at A in FIG. 1 of the embodiment;

the reference numbers in the figures are:

1-a steel needle; 1 a-a second magnetic block;

2-a balloon; 2 a-a supporting strip; 2 b-a first magnetic block;

3-a catheter body;

4-an inflation assembly; 4 a-latex ball; 4a1 — a second knob; 4 b-pressure gauge;

5-a propulsion assembly; 5 a-a mounting seat; 5a 1-axis of rotation; 5a2 — first knob; 5a3 — first gear; 5a4 — second gear; 5a 5-guide wheel; 5 b-a strap; 5b 1-magic tape.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-5: the embodiment of the utility model discloses a PTA balloon catheter easy to operate, which comprises a steel needle 1, a balloon 2, a catheter body 3 and an inflation assembly 4, wherein the catheter body 3 is sleeved on the steel needle 1, one end of the catheter body 3 is connected with the balloon 2, the other end of the catheter body 3 is connected with the inflation assembly 4, the catheter body 3 is provided with a propelling assembly 5, the propelling assembly 5 comprises a mounting seat 5a, a first gear 5a3, a second gear 5a4, a first knob 5a2, two guide wheels 5a5 and two rotating shafts 5a1, the mounting seat 5a is a rectangular plate-shaped structure, the two rotating shafts 5a1 are vertically positioned at two sides of the mounting seat 5a in the width direction respectively, the first gear 5a3 and the second gear 5a4 are sleeved at the bottoms of the two rotating shafts 5a1 respectively, the first gear 5a3 and the second gear 5a4 are meshed and connected, the two guide wheels 5a5 are sleeved on the two rotating shafts 5a1 respectively, the catheter body 3 is located between the two guide wheels 5a5, and the first knob 5a2 is sleeved on the top of the rotating shaft 5a1 on which the first gear 5a3 is located.

Based on the above embodiment, the steel needle 1 is firstly inserted into the blood vessel of the patient, by rotating the first knob 5a2, the first knob 5a2 drives the rotation shaft 5a1 to rotate, the rotation shaft 5a1 drives the first gear 5a3 connected with the first knob to rotate, the rotation of the first gear 5a3 drives the second gear 5a4 engaged with the first knob to rotate, so that the first gear 5a3 and the second gear 5a4 rotate to opposite sides, and the guide wheels 5a5 respectively sleeved on the two rotation shafts 5a1 are driven to rotate relatively, so as to drive the catheter body 3 located between the two guide wheels 5a5 to be pushed into the blood vessel of the patient, so that the catheter body 3 moves along the direction of the steel needle 1, and thus the balloon is driven to move on the steel needle 1 to a position where the blood vessel needs to be dilated, the doctor can operate the catheter body 3 with one hand, and the other hand can adjust the inflation assembly 4, therefore, the air bag is inflated, and the operation that a plurality of doctors can cooperate to treat the patient is reduced.

Further, the balloon 2 provided by the present application needs to stay in the blood vessel for a period of time when being expanded, and has the defect of inconvenient blood flow, and is easy to cause temporary blood blockage in the blood vessel, and in order to solve the problem, as shown in fig. 7 to 9:

be cylindrical structure on the sacculus 2, be provided with a plurality of support bars 2a that encircle rather than the axis setting on the sacculus 2, support bar 2a and the internal connection of sacculus 2.

Based on above-mentioned embodiment, the balloon 2 that this application provided is through the setting of a plurality of support bars 2a, because the internal connection of support bar 2a and balloon 2, so balloon 2 is when the inflation expansion for support bar 2a also expands, when supporting patient's blood vessel through support bar 2a, can not block the blood vessel, and blood can flow through in the gap between a plurality of support bars 2a, has solved above-mentioned problem.

Further, the present application provides a drawback that the inflation assembly 4 is generally inflated by a manual air cylinder, which is inconvenient for a doctor to operate with one hand, and in order to solve this problem, as shown in fig. 6:

the inflation component 4 is also provided with a latex ball 4a for inflating the catheter body 3, and the latex ball 4a is provided with a second knob 4a1 for inflating or deflating.

Based on above-mentioned embodiment, the inflatable component 4 that this application provided holds latex ball 4a through one hand through latex ball 4 a's setting, thereby aerifys pipe body 3 to latex ball 4a extrudees, can carry out the pressure release with the gas in the pipe body 3 through second knob 4a1 to atmospheric pressure in the control pipe has solved above-mentioned problem.

Further, the present application still provides the drawback of inconvenient viewing of the air pressure of the inflation assembly 4, and in order to solve this problem, as shown in fig. 1 and 6:

and the inflation assembly 4 is also provided with a pressure gauge 4b for detecting the pressure in the blood vessel.

Based on above-mentioned embodiment, the subassembly 4 that aerifys that this application provided can audio-visually look over the atmospheric pressure situation of the intraductal pipe body 3 through manometer 4 b's setting, makes things convenient for the doctor to control the atmospheric pressure in the pipe body 3 through latex ball 4a through manometer 4 b's numerical value, makes things convenient for the doctor to operate, has solved above-mentioned problem.

Further, the present application still provides a mounting seat 5a with a defect of inconvenient fixing, and in order to solve this problem, as shown in fig. 2 and 3:

two elastic material-made bandages 5b are arranged below the mounting seat 5a, and a magic tape 5b1 is arranged at the joint of the two bandages 5 b.

Based on above-mentioned embodiment, mount pad 5a that this application provided can be fixed in patient's truck through bandage 5b on, conveniently advance pipe body 3 along steel needle 1 through advancing subassembly 5, elastic material's bandage 5b is convenient can all fix to the patient of different sizes, magic subsides 5b1 are used for fixing the junction on two bandages 5b, magic subsides 5b1 facilitate the operation, also conveniently fix mount pad 5a to the patient of different sizes simultaneously, the problem is solved.

Further, the steel needle 1 provided by the present application still has the defect of inconvenient removal, and in order to solve this problem, as shown in fig. 9:

one end of the balloon 2 close to the steel needle 1 is provided with a first magnetic block 2b, and the steel needle 1 is provided with a second magnetic block 1a matched with the first magnetic block 2 b.

Based on the above embodiment, according to the steel needle 1 provided by the application, when the balloon 2 is pushed into an appointed position along the steel needle 1, the first magnetic block 2b of the balloon 2 and the second magnetic block 1a of the steel needle 1 attract each other to fix the position of the balloon 2, so that the balloon 2 can be conveniently expanded; through the first magnetic block 2b and the second magnetic block 1a which are attracted together, when the saccule 2 is taken out, the steel needle 1 is driven to move, so that the catheter body 3 and the steel needle 1 can be conveniently taken out together from the blood vessel of a patient, the operation steps are reduced, and the problems are solved.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the utility model. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. A PTA balloon catheter easy to operate comprises a steel needle (1), a balloon (2), a catheter body (3) and an inflation assembly (4), wherein the catheter body (3) is sleeved on the steel needle (1), one end of the catheter body (3) is connected with the balloon (2), and the other end of the catheter body (3) is connected with the inflation assembly (4), the PTA balloon catheter is characterized in that the catheter body (3) is provided with a propelling assembly (5), the propelling assembly (5) comprises a mounting seat (5a), a first gear (5a3), a second gear (5a4), a first knob (5a2), two guide wheels (5a5) and two rotating shafts (5a1), the mounting seat (5a) is of a rectangular plate-shaped structure, the two rotating shafts (5a1) are vertically positioned at two sides of the mounting seat (5a) in the width direction respectively, and the first gear (5a3) and the second gear (5a4) are respectively sleeved at the bottoms of the two rotating shafts (5a1), the first gear (5a3) is in meshed connection with the second gear (5a4), the two guide wheels (5a5) are respectively sleeved on the two rotating shafts (5a1), the catheter body (3) is located between the two guide wheels (5a5), and the first knob (5a2) is sleeved on the top of the rotating shaft (5a1) where the first gear (5a3) is located.

2. The PTA balloon catheter as claimed in claim 1, wherein the balloon (2) is of a cylindrical structure, the balloon (2) is provided with a plurality of support bars (2a) arranged around the axis of the balloon (2), and the support bars (2a) are connected with the inside of the balloon (2).

3. The PTA balloon catheter with simple operation as claimed in claim 1, wherein the inflation component (4) is further provided with a latex ball (4a) for inflating the catheter body (3), and the latex ball (4a) is provided with a second knob (4a1) for inflation or deflation.

4. The PTA balloon catheter with simple operation of claim 3, wherein the inflation component (4) is further provided with a pressure gauge (4b) for detecting the pressure in the blood vessel.

5. The PTA balloon catheter with simple operation as claimed in claim 1, wherein two elastic bands (5b) are arranged under the mounting seat (5a), and the connecting part of the two bands (5b) is provided with a magic tape (5b 1).

6. The PTA balloon catheter with simple operation as claimed in claim 1, wherein one end of the balloon (2) close to the steel needle (1) is provided with a first magnetic block (2b), and the steel needle (1) is provided with a second magnetic block (1a) matched with the first magnetic block (2 b).

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