Interventional ultrasonic pumping and injecting assist device

Abstract

The utility model relates to the technical field of medical equipment, and discloses an interventional ultrasonic extraction and injection assist device which comprises a needle cylinder, a piston is slidably connected into the needle cylinder, one end of the piston is fixedly connected with a push-pull rod, a needle tip is arranged at the top of the needle cylinder, and a limiting assembly and a fixing assembly are arranged on the outer wall of the needle cylinder. The limiting assembly comprises a plurality of limiting pipes, the limiting pipes are connected to the outer wall of the needle cylinder in a sliding mode, a plurality of clamping grooves are formed in the needle cylinder, a plurality of spring clamping balls are fixedly connected to the interiors of the limiting pipes and located on the inner walls of the clamping grooves, and a measuring plate is fixedly connected to the outer wall of the needle cylinder. According to the utility model, the distance between the limiting tube and the needle tip is moved, so that the depth of the needle tip inserted into the body of a patient is limited, the problem that when equipment is inserted into the body of the patient, the needle tip penetrates through a lesion area due to large force, and a normal area is damaged is solved, and the applicability of the equipment is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relates to an intervention ultrasound draws and injects the auxiliary device. BACKGROUND

[0002] Intervention ultrasound draws and injects the auxiliary device is a kind of new equipment with important significance in medical field, it is designed for intervention ultrasound draws and injects the operation.In modern medical treatment, intervention ultrasound technology is widely used, and the emergence of this auxiliary device brings great convenience for the implementation of this technology.It has unique design advantage, can accurately control operation process, reduces potential harm to patient, while guaranteeing the stability of medical staff operation, improves the efficiency and safety of entire medical process, provides strong support for the treatment effect of patient;

[0003] Some intervention ultrasound related auxiliary devices, usually by basic needle cylinder, needle and simple handheld part are constituted.In work flow aspect, medical staff holds equipment, and needle is inserted into patient body by manual operation, and insertion depth and intensity are judged by experience.In the process of drawing and injection, medical staff needs to continuously maintain stable holding state, and the operation proficiency and physical strength requirement of medical staff in the whole process are higher;

[0004] However, there is a problem in current intervention ultrasound operation.In the process of inserting equipment into patient body, due to lack of effective depth limiting mechanism, in actual operation, needle tip is easily penetrated through pathological region due to too much force, and then causes irreparable damage to normal region, seriously affects the treatment effect and rehabilitation process of patient, also brings additional pain and risk to patient, and therefore an intervention ultrasound draws and injects the auxiliary device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides an intervention ultrasound draws and injects the auxiliary device, to improve the problem that equipment is easily damaged to normal region due to too much force when being inserted into patient body.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] An intervention ultrasound draws and injects the auxiliary device, including needle cylinder, the needle cylinder interior is slidably connected with piston, the piston one end is fixedly connected with push-pull rod, the needle cylinder top is provided with needle tip, the needle cylinder outer wall is provided with limiting assembly and fixed assembly;

[0008] The limiting assembly includes multiple limiting tubes which are slidingly connected to the outer wall of the needle cylinder, the needle cylinder is internally provided with multiple clamping grooves, the limiting tubes are internally fixedly connected with multiple spring clamping balls, the spring clamping balls are located on the inner wall of the clamping grooves, the outer wall of the needle cylinder is fixedly connected with a measuring plate, and the outer wall of the measuring plate is provided with distance data for measuring the distance between the limiting tube and the one end of the needle tip.

[0009] As a further description of the above technical solution:

[0010] The fixing assembly includes multiple first fixing belts which are fixedly connected to the two sides of the needle cylinder, and the two sides of the needle cylinder are fixedly connected with second fixing belts.

[0011] As a further description of the above technical solution:

[0012] Each of the second fixing belts is located on the outer wall of the first fixing belt, and the outer walls of the first fixing belt and the second fixing belt are provided with Velcro which is used for fixing the connection between the first fixing belt and the second fixing belt.

[0013] As a further description of the above technical solution:

[0014] The top of the limiting tube is fixedly connected with a sponge pad, and the bottom of the push-pull rod is fixedly connected with a needle seat.

[0015] As a further description of the above technical solution:

[0016] The bottom of the needle seat is provided with multiple rubber balls which are used for the frictional connection between the fingers and the needle seat.

[0017] As a further description of the above technical solution:

[0018] The top of the needle cylinder is fixedly connected with a needle tip seat which is clamped with the needle tip.

[0019] As a further description of the above technical solution:

[0020] The needle tip is internally provided with multiple discharge ports which are small circular structures and are used for guiding the large-area flow of the medicinal liquid into the lesion area.

[0021] As a further description of the above technical solution:

[0022] The outer wall of the needle cylinder is fixedly connected with multiple friction strips which are used for impeding the movement of the hands of medical staff when the hands are attached to the outer wall of the needle cylinder.

[0023] The utility model has the advantages of the following:

[0024] 1. The utility model discloses a distance between the movement limiting pipe and needle tip head is limited, thereby limiting the depth of needle tip head insertion into the patient's body, solve the equipment when inserting into the patient's body, easy because of the force is larger and lead to needle tip to pass through the pathological region and cause harm to the normal region's problem, enhanced the applicability of equipment.

[0025] 2. The utility model discloses a fixed band one and fixed band two are used for fixing the fingers of medical staff, and the needle cylinder is used for enhancing the friction between the hands of medical staff and equipment, solve the problem that the hands of medical staff appear acid sore after long -time work, thereby causing the device to be unstable, make equipment to one side and incline, lead to needle tip head to cause certain harm in the patient's body, enhance the stability when the device is used. ACCURACY

[0026] Figure 1 A three-dimensional schematic view of an interventional ultrasound extraction and injection auxiliary device is provided for the utility model;

[0027] Figure 2 A discharge port structure schematic view of an interventional ultrasound extraction and injection auxiliary device is provided for the utility model;

[0028] Figure 3 A spring ball structure schematic view of an interventional ultrasound extraction and injection auxiliary device is provided for the utility model;

[0029] Figure 4 A piston structure schematic view of an interventional ultrasound extraction and injection auxiliary device is provided for the utility model;

[0030] Figure 5 A needle seat structure schematic view of an interventional ultrasound extraction and injection auxiliary device is provided for the utility model.

[0031] Legend:

[0032] 1, needle cylinder;2, limiting pipe;3, measuring plate;4, fixed band one;5, fixed band two;6, sponge pad;7, push-pull rod;8, needle seat;9, needle tip head;10, discharge port;11, clamping groove;12, spring ball;13, piston;14, needle tip seat;15, friction strip. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0034] Reference Figure 1 ,Figure 3 and Figure 5 The utility model provides an embodiment: an intervention ultrasound draws and injects auxiliary device, the needle cylinder 1 is slidably connected with the piston 13 in the needle cylinder 1, the piston 13 one end is fixedly connected with push -and -pull rod 7, the needle cylinder 1 top is provided with needle sharp head 9, needle sharp head 9 is made of high -quality medical stainless steel, after fine polishing, its tip is extremely sharp, can easily be inserted into human tissue, also has good tenacity, will not easily break in the puncture process, the outer wall of needle cylinder 1 is provided with limiting component and fixed component,

[0035] Limiting component includes a plurality of limiting tube 2, limiting tube 2 is slidably connected in the outer wall of needle cylinder 1, the inside of needle cylinder 1 is provided with a plurality of clamping groove 11, limiting tube 2 is fixedly connected with a plurality of spring ball 12 in the inside, the ball of spring ball 12 surface is made of smooth medical plastics, spring ball 12 is located in the inner wall of clamping groove 11, the outer wall of needle cylinder 1 is fixedly connected with measuring plate 3, and measuring plate 3 is a component made of high -strength transparent plastics, and the measuring data on its surface is clear, and the scale is accurate, which can provide accurate adjustment basis for medical staff, and the outer wall of measuring plate 3 is provided with distance data for measuring the distance between limiting tube 2 and one end of needle sharp head 9, limiting tube 2 top is fixedly connected with sponge pad 6, and sponge pad 6 is made of medical grade soft sponge material, has good elasticity and comfort, it can effectively buffer the further movement of needle sharp head 9, push -and -pull rod 7 bottom is fixedly connected with needle seat 8, needle cylinder 1 top is fixedly connected with needle sharp seat 14, needle sharp seat 14 is engaged with needle sharp head 9, and the bottom of needle seat 8 is provided with a plurality of rubber balls, and the rubber balls are used for the friction connection between the fingers and needle seat 8.

[0036] Specifically, in the use process of medical equipment, first, the distance between the skin and the lesion area in the body is measured according to the ultrasonic wave, then the medical staff need to adjust the distance between the one end of the needle sharp head 9 and the sponge pad 6 at the one end of the limiting tube 2 by checking the measuring data on the surface of the measuring plate 3, after the sliding adjustment of the limiting tube 2 on the outer wall of the needle cylinder 1 is completed, the position of the limiting tube 2 is fixed by using the rebound force of the spring ball 12, the ball can be clamped in the inner wall of the clamping groove 11 under the push of the spring, thereby realizing the stable fixation of the position of the limiting tube 2, after the above adjustment and fixation operation is completed, the medical staff will insert the needle sharp head 9 into the patient's body, when the needle sharp head 9 moves to the lesion area, the sponge pad 6 at the one end of the limiting tube 2 will contact the patient's skin at this time, such design can prevent the needle sharp head 9 from continuing to move inward, thereby avoiding the situation that the needle sharp head 9 is inserted too deep due to the large force of the medical staff or other unexpected situations during the equipment drawing and injection, and further causing certain harm to the patient, thereby ensuring the safety of the patient during the treatment.

[0037] Refer to Figure 1 ,Figure 2 and Figure 4 The fixed assembly comprises a plurality of fixed belts one 4 fixedly connected on both sides of the needle cylinder 1, and each fixed belt two 5 is located on the outer wall of the fixed belt one 4, and the fixed belt one 4 and the fixed belt two 5 are made of high-strength, high-toughness and soft and comfortable medical nylon material, and the inner wall has a special texture design, which can increase the friction between the hand and the fixed belt, so that the hand can be placed more stably, and the outer wall of the fixed belt one 4 and the fixed belt two 5 is provided with a magic tape, which is used for connecting and fixing the fixed belt one 4 and the fixed belt two 5, and a plurality of discharge ports 10 are arranged in the needle tip 9, which are small and round in structure, and are used for guiding the liquid medicine to flow into the lesion area, and a plurality of friction strips 15 are fixedly connected on the outer wall of the needle cylinder 1, which are made of wear-resistant and elastic rubber material, and the surface is uniformly distributed with convex particles, the size and shape of which are carefully designed to maximize the friction, and the friction strip 15 is used to hinder the movement of the hand when the medical staff's hand is attached to the outer wall of the needle cylinder 1.

[0038] Specifically, while the medical staff uses the device, two fingers are inserted into the inner wall of the fixed belt one 4 and the fixed belt two 5, and the medical staff will use the magic tape on the surface of the fixed belt one 4 and the fixed belt two 5 to fix them, so as to realize the reliable fixing of the medical staff's hand, at the same time, the design of the device also uses the friction strip 15 on the outer wall of the needle cylinder 1 to enhance the friction between the medical staff's hand and the device, so as to avoid the situation that the medical staff will feel sore due to muscle fatigue after long-time work, thus causing unstable taking of the device. If it is not stable, the device will tilt to one side, which will cause certain harm to the patient's body caused by the needle tip 9, then the medical staff will use the plurality of discharge ports 10 on the outer wall of the needle tip 9 to inject liquid medicine into the internal lesion area of the patient, which can make the liquid medicine spray to the lesion area in a uniform and stable state, so as to improve the liquid injection efficiency and ensure the treatment effect.

[0039] Working principle: during use, the device measures the distance between the skin and the lesion area in the body according to the ultrasonic wave, then adjusts the distance between the needle tip 9 and the sponge pad 6 at one end of the limiting tube 2 by checking the measurement data on the surface of the measurement plate 3, after the limiting tube 2 is adjusted by sliding on the outer wall of the needle cylinder 1, the spring ball 12 is pushed by the rebounding force of the spring ball 12 to be clamped on the inner wall of the clamping groove 11, so as to fix the position of the limiting tube 2, then the needle tip 9 is inserted into the patient's body, when the needle tip 9 moves to the lesion area, the sponge pad 6 will contact the patient's skin to prevent the needle tip 9 from moving further inward, avoiding the needle tip 9 from being inserted too deep due to too much force when the device is extracted, which may cause certain harm to the patient, while the medical staff uses the device, insert two fingers into the inner wall of the fixed belt one 4 and the fixed belt two 5, and fix the fixed belt one 4 and the fixed belt two 5 by using the magic tape on the surface of the fixed belt one 4 and the fixed belt two 5, so as to fix the hands of the medical staff, at the same time, the friction strip 15 on the outer wall of the needle cylinder 1 enhances the friction between the hands of the medical staff and the device, avoiding the hands of the medical staff from being sore after long time work, so as to cause the device to be unstable, the device is inclined to one side, which may cause certain harm to the patient by the needle tip 9, then the medicine is injected into the lesion area in the patient's body by using the multiple discharge ports 10 on the outer wall of the needle tip 9, which improves the efficiency of medicine injection.

[0040] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting 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 still can 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, should be included in the protection scope of the present application.

Claims

1. An intervention ultrasound aspiration assist device comprising a syringe (1), characterized in that: The needle cylinder (1) is internally connected with a piston (13) in sliding mode, one end of the piston (13) is fixedly connected with a push-pull rod (7), the top of the needle cylinder (1) is provided with a needle tip (9), the outer wall of the needle cylinder (1) is provided with a limiting assembly and a fixing assembly; The limiting assembly comprises a plurality of limiting tubes (2), the limiting tubes (2) are connected in sliding mode on the outer wall of the needle cylinder (1), a plurality of spring clamping balls (12) are fixedly connected in the limiting tubes (2), the spring clamping balls (12) are located on the inner wall of the clamping groove (11), a measuring plate (3) is fixedly connected on the outer wall of the needle cylinder (1), distance data are arranged on the outer wall of the measuring plate (3), which are used to measure the distance between the limiting tube (2) and one end of the needle tip (9).

2. An interventional ultrasound aspiration needle guide according to claim 1, wherein: The fixing assembly comprises a plurality of fixing belts (4), the fixing belts (4) are fixedly connected on both sides of the needle cylinder (1), and fixing belts (5) are fixedly connected on both sides of the needle cylinder (1).

3. An interventional ultrasound aspiration needle guide according to claim 2, wherein: Each of the fixing belts (5) is located on the outer wall of the fixing belt (4), and Velcro is arranged on the outer walls of the fixing belt (4) and the fixing belt (5), which is used for connecting and fixing the fixing belt (4) and the fixing belt (5).

4. The interventional ultrasound aspiration needle guide of claim 1, wherein: The top of the limiting tube (2) is fixedly connected with a sponge pad (6), and the bottom of the push-pull rod (7) is fixedly connected with a needle seat (8).

5. An interventional ultrasound aspiration needle guide according to claim 4, wherein: The bottom of the needle seat (8) is provided with a plurality of rubber balls, which are used for frictionally connecting the fingers and the needle seat (8).

6. An interventional ultrasound aspiration needle guide according to claim 1, wherein: The top of the needle cylinder (1) is fixedly connected with a needle tip seat (14), and the needle tip seat (14) is clamped with the needle tip (9).

7. An interventional ultrasound aspiration needle guide according to claim 5, wherein: A plurality of discharge ports (10) are arranged in the needle tip (9), the discharge ports (10) are small circular structures, which are used for guiding the liquid medicine to flow into the lesion area in a large area.

8. An interventional ultrasound aspiration needle guide according to claim 2, wherein: A plurality of friction strips (15) are fixedly connected on the outer wall of the needle cylinder (1), which are used for preventing the hands of medical staff from moving when the hands are attached to the outer wall of the needle cylinder (1).

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