Blood vessel dilator capable of reducing injury

Abstract

The utility model relates to the technical field of medical instruments, and discloses a blood vessel dilator capable of reducing injury, which comprises a conical tube, a fingerboard, an air bag mechanism and a handle, one side of the outer end face of the conical tube is coated with anticoagulant medicine, and an annular groove is formed in the middle of the outer end face of the conical tube. A through hole is formed in one side of the inner bottom face of the annular groove, and an air connector is fixedly arranged on one side of the middle of the upper end face of the handle. The conical tube is inserted into a blood vessel, the front portion of the conical tube is small, the rear portion of the conical tube is large, the gradual expansion design is adopted, excessive pressure caused by sudden expansion to the blood vessel wall is avoided, the tearing risk is reduced, the air tube is connected with the air connector, the air connector is inflated through the air tube, air penetrates out of the through hole to enter the air bag mechanism, and the air bag mechanism is bulged; through the cooperation of the conical tube and the air bag mechanism, blood vessels with different thicknesses can be conveniently and slowly expanded, and damage to the blood vessels is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a blood vessel dilator that can reduce injury. BACKGROUND

[0002] Vascular surgery is a branch of surgery, and is focused on the diagnosis and treatment of vascular diseases, and the blood vessel dilator is mainly used for treating vascular stenosis or obstruction in vascular surgery, and the blood vessel dilator is usually used for peripheral arterial disease, coronary artery disease and other vascular diseases, and can help restore blood flow and relieve related symptoms, and when operating, the doctor inserts the catheter into the blood vessel through a small incision, and sends the blood vessel dilator into the stenosis or obstruction area of the blood vessel through the catheter.

[0003] In the current medical field, most of the designs of the blood vessel dilator are to assemble the air bag on the pipeline, and in the actual use process, the pipeline needs to be accurately inserted into the inside of the blood vessel, and then the air bag is inflated, however, this traditional expansion method has obvious defects, the air bag will suddenly swell in an instant, and cannot give the blood vessel a gradual pressure change process, thereby easily causing the blood vessel to tear, and bringing great health risks to the patient, therefore, the technical personnel in the field provide a blood vessel dilator that can reduce injury to solve the problems in the background art. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a blood vessel dilator that can reduce injury, which is convenient for slowly expanding blood vessels of different thicknesses by cooperation of the conical pipe and the air bag mechanism, and reduces damage to the blood vessels.

[0005] To achieve the above object, the utility model provides the following technical scheme: a blood vessel dilator that can reduce injury, including conical pipe, finger plate, air bag mechanism and handle, one side position of conical pipe outer end face is coated with anticoagulant drug, the middle position of conical pipe outer end face is equipped with ring groove, the ring groove inner bottom surface one side position is equipped with through -hole, the handle upper end surface middle one side position is equipped with gas connector fixedly,

[0006] The air bag mechanism includes an air bag body, a plurality of long holes and a plurality of flexible sensors, the conical pipe includes a composite material, a metal material and a polyurethane material.

[0007] Further, the handle is fixedly arranged on the other side end surface of the conical pipe, and the finger plate is fixedly sleeved on the outer end surface of the handle.

[0008] Further, the front side and the rear side of one side end surface of the finger plate are both fixedly provided with anti-skid blocks, and a plurality of anti-skid grooves are formed in the one side end surface of the two anti-skid blocks.

[0009] Further, the through hole is provided with an air hole near the middle position of the inner wall of the handle side, and the air joint is connected with the air hole.

[0010] Further, the upper end and the lower end of the through hole are connected with the air bag body, and the air bag body is embedded in the ring groove.

[0011] Further, a plurality of long holes are uniformly distributed on the outer surface of the air bag body, and a plurality of flexible sensors are uniformly fixed on the inner wall of the air bag body.

[0012] Further, the polyurethane material is coated on the outer layer of the metal material, and the composite material covers the surface of the inner layer of the metal material.

[0013] The utility model has the advantages of the following:

[0014] 1. The blood vessel dilator can reduce damage, the tapered tube is inserted into the blood vessel, the tapered tube is small in front and large in back, and the tapered tube is gradually expanded, so that the instantaneous high pressure on the blood vessel wall during expansion is avoided, the risk of blood vessel tearing is reduced, the anti-blood clotting medicine is arranged on the tapered tube, the thrombosis is reduced, the trachea is connected with the air joint, the air joint is inflated through the trachea, the gas is discharged from the through hole into the air bag mechanism, the air bag mechanism is inflated, the tapered tube and the air bag mechanism are matched to slowly expand the blood vessel of different thicknesses, and the damage to the blood vessel is reduced.

[0015] 2. The blood vessel dilator can reduce damage, the air bag body is inflated to support the blood vessel, long holes are arranged on the air bag body, ischemic injury is avoided due to complete blood blockage of the air bag, flexible sensors are arranged in the air bag body, the curved surface of the dilator is adhered, the blood vessel shape is adapted, the tension of the inflated air bag body is detected through the flexible sensors, the pressure of the air bag body is avoided to be too large, the tapered tube is made of three materials, i.e. the composite material, the metal material and the polyurethane material, the polyurethane material protects the composite material and the metal material, the friction with the blood vessel wall is reduced, and the tapered tube is more convenient to use. DRAWINGS

[0016] Figure 1 It is the first axis measurement schematic view of the utility model;

[0017] Figure 2 It is the second axis measurement schematic view of the utility model;

[0018] Figure 3 It is the front section schematic view of the utility model;

[0019] Figure 4 It is the A place of the utility model Figure 2 enlarged schematic view;

[0020] Figure 5 For the present utility model Figure 3 Enlarged view of point B;

[0021] Figure 6 This is a schematic diagram of the tapered tube of this utility model.

[0022] Legend:

[0023] 1. Airbag mechanism; 2. Conical tube; 3. Anticoagulant; 4. Ring groove; 5. Air connector; 6. Finger plate; 7. Handle; 8. Anti-slip block; 9. Anti-slip groove; 10. Air hole; 11. Through hole; 101. Airbag body; 102. Long hole; 103. Flexible sensor; 201. Composite material; 202. Metal material; 203. Polyurethane material. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1 - Figure 5 An embodiment of this utility model is provided: a vasodilator that can reduce damage, including a conical tube 2, a finger plate 6, an air bladder mechanism 1 and a handle 7. One side of the outer end face of the conical tube 2 is coated with an anticoagulant drug 3. An annular groove 4 is opened in the middle of the outer end face of the conical tube 2. A through hole 11 is opened in one side of the bottom surface of the annular groove 4. An air connector 5 is fixedly installed in one side of the middle of the upper end face of the handle 7.

[0026] The handle 7 is fixedly installed on the other end face of the tapered tube 2. The finger plate 6 is fixedly sleeved on the outer end face of the handle 7. Anti-slip blocks 8 are fixedly installed on the front and rear sides of one end face of the finger plate 6. Multiple anti-slip grooves 9 are opened on one end face of each of the two anti-slip blocks 8. An air hole 10 is opened in the middle of the inner wall of the through hole 11 near the handle 7. The air connector 5 is connected to the air hole 10. The upper and lower ends of the through hole 11 are connected to the airbag body 101. The airbag body 101 is embedded in the annular groove 4.

[0027] Specifically, when the blood vessel dilator is used, the handle 7 is pinched, two fingers can be buckled on the finger plate 6, the thumb is pressed on the handle 7, the friction is increased through the anti-skid block 8 arranged at the rear of the finger plate 6, and the anti-skid groove 9 is also arranged on the anti-skid block 8, so that the friction of the finger plate 6 is effectively increased, and the finger plate 6 is effectively prevented from slipping off, then the tapered tube 2 is inserted into the blood vessel, the tapered tube 2 is tapered, the front is small and the rear is large, the progressive expansion design is adopted, sudden expansion is avoided, the pressure on the blood vessel wall is reduced, and the risk of tearing is reduced, and the anti-blood clotting drug is arranged on the tapered tube 2, the blood clotting is reduced, the trachea is connected with the gas connector 5, the gas connector 5 is inflated through the trachea, the gas passes through the gas hole 10 and finally reaches the position of the through hole 11, the gas passes out of the through hole 11 and enters the inside of the balloon mechanism 1, the balloon mechanism 1 is inflated, and the blood vessels of different thicknesses are conveniently expanded.

[0028] With reference to Figure 4 , Figure 5 , the balloon mechanism 1 comprises a balloon body 101, a plurality of long holes 102 and a plurality of flexible sensors 103.

[0029] The plurality of long holes 102 are uniformly distributed on the outer surface of the balloon body 101, and the plurality of flexible sensors 103 are uniformly fixed on the inner wall of the balloon body 101.

[0030] Specifically, the gas passes out of the through hole 11 and enters the inside of the balloon body 101, the inflated balloon body 101 is inflated and supports the blood vessel, the long hole 102 is arranged on the balloon body 101, the blood flow is not completely blocked by the balloon to avoid ischemic injury, and the flexible sensor 103 is arranged in the balloon body 101, which can be attached to the curved surface of the dilator and adapt to the shape of the blood vessel. The tension of the inflated balloon body 101 can be detected through the flexible sensor 103, and the detected pressure is fed back to the external device to prevent the pressure of the balloon body 101 from being too large.

[0031] With reference to Figure 6 , the tapered tube 2 comprises a composite material 201, a metal material 202 and a polyurethane material 203.

[0032] The polyurethane material 203 is coated on the outer layer of the metal material 202, and the composite material 201 covers the surface of the inner layer of the metal material 202.

[0033] Specifically, the tapered tube 2 is made of three materials, namely the composite material 201, the metal material 202 and the polyurethane material 203. The composite material 201 improves the biocompatibility and reduces the risk of thrombosis, the metal material 202 has good biocompatibility, super elasticity and shape memory effect, and the polyurethane material 203 protects the composite material 201 and the metal material 202, and reduces the friction with the blood vessel wall, so that the tapered tube 2 is more convenient to use.

[0034] Working principle: when the blood vessel dilator is used, the handle 7 is pinched, the fingers can be pinched on the finger plate 6, the friction is increased through the anti-skid block 8 arranged at the rear of the finger plate 6, then the tapered tube 2 is inserted into the blood vessel, the tapered tube 2 is tapered, the front is small and the rear is large, the progressive expansion design avoids sudden expansion to cause too large pressure on the blood vessel wall, reduces the risk of tearing, and the anti-blood clotting drug is arranged on the tapered tube 2 to reduce thrombosis, the trachea is connected with the gas connector 5, the gas connector 5 is inflated through the trachea, the gas passes through the gas hole 10 and finally reaches the position of the through hole 11, the gas passes out of the through hole 11 and enters the inside of the gas bag main body 101, the inflated gas bag main body 101 is inflated and supports the blood vessel, long holes 102 are arranged on the gas bag main body 101, blood is prevented from being completely blocked by the gas bag to avoid ischemic injury, and the tapered tube 2 is made of three materials, i.e., a composite material 201, a metal material 202 and a polyurethane material 203, so that the use is more convenient.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A dilator for reducing injury to a blood vessel comprising a tapered tube (2), a finger plate (6), a balloon mechanism (1) and a handle (7), characterised in that: The outer end surface of the tapered pipe (2) is coated with an anticoagulant drug (3) on one side, and a ring groove (4) is formed in the middle of the outer end surface of the tapered pipe (2), and a through hole (11) is formed in the inner bottom surface of the ring groove (4) on one side, and a gas connector (5) is fixedly arranged on the upper surface of the handle (7) on one side. The air bag mechanism (1) includes an air bag body (101), a plurality of long holes (102) and a plurality of flexible sensors (103), and the tapered pipe (2) includes a composite material (201), a metal material (202) and a polyurethane material (203).

2. The reduced trauma vascular dilator of claim 1, wherein: The handle (7) is fixedly arranged on the other side of the tapered pipe (2), and the finger plate (6) is fixedly sleeved on the outer end surface of the handle (7).

3. The reduced trauma vessel dilator of claim 1, wherein: The front side and the rear side of one side of the finger plate (6) are fixedly provided with anti-skid blocks (8), and a plurality of anti-skid grooves (9) are formed in the inner wall of the handle (7) on one side.

4. The reduced trauma vascular dilator of claim 1, wherein: The through hole (11) is provided with a gas hole (10) near the middle position of the inner wall of the handle (7) on one side, and the gas connector (5) is connected with the gas hole (10).

5. The reduced trauma vascular dilator of claim 1, wherein: The upper end and the lower end of the through hole (11) are connected with the air bag body (101), and the air bag body (101) is embedded in the ring groove (4).

6. The reduced trauma vascular dilator of claim 1, wherein: A plurality of long holes (102) are evenly distributed on the outer surface of the air bag body (101), and a plurality of flexible sensors (103) are fixedly arranged on the inner wall of the air bag body (101).

7. The reduced trauma vessel dilator of claim 1, wherein: The polyurethane material (203) is coated on the outer layer of the metal material (202), and the composite material (201) is covered on the surface of the inner layer of the metal material (202).

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