Ultrasonic guidance indwelling needle puncture auxiliary device special for patient with difficulty in venipuncture

By designing an ultrasound-guided indwelling needle puncture assistance device specifically for patients with difficult venous puncture, and utilizing flexible materials and an electrically adjustable structure to stabilize the patient's limb and flexibly adjust the ultrasound probe, the difficulty and accuracy of venous puncture under ultrasound guidance for patients with difficult venous puncture are solved, achieving a more efficient and stable puncture operation.

CN223731864UActive Publication Date: 2025-12-30PEOPLES HOSPITAL OF WULONG DISTRICT CHONGQING
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Patent Information

Application Number
CN202422910491.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-30
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

For patients with difficult venipuncture, arm movement during ultrasound-guided venipuncture increases the difficulty of puncture, increases the risk of mispuncture, and is cumbersome, time-consuming, and labor-intensive. The ultrasound probe needs to be manually operated, which affects the accuracy of puncture.

Method used

An ultrasound-guided indwelling needle puncture auxiliary device was designed, comprising a base, placement pad, limiting pad, fixing strap, and electric slide rail. The device uses flexible materials and an electric adjustment structure to stabilize the patient's limb, flexibly adjust the position of the ultrasound probe, and stabilize the probe by rubber blocks and compression plates, reducing movement and damage.

Benefits of technology

It improves the accuracy and stability of puncture, reduces the risk of puncture failure, reduces patient discomfort, protects the ultrasound probe from damage, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, in particular to a special ultrasonic guide indwelling needle puncture auxiliary device for a patient with difficulty in venipuncture, which comprises a base and the like. The base is a bearing carrier of the device, the base can be conveniently mounted or dismounted through bolts, the placement pad is arranged on the top surface of the base and used for supporting the puncture part of a patient, and the limiting pad is arranged at the top of the placement pad and used for limiting the part, placed on the placement pad, of the patient. The placing pad and the limiting pad are made of elastic flexible materials, the contact faces are designed to be in an arc shape, the fixing device can be better attached to the skin of a patient to reduce oppression, the stability of a puncture part is guaranteed through the fixing band, and the risk of puncture failure caused by movement of the patient is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, and it is a kind of supersonic guide indwelling needle puncture auxiliary device for patient with difficult venipuncture. BACKGROUND

[0002] With the development of ultrasonic technology and its wide application in clinic, venipuncture under the guidance of ultrasound gradually becomes one of the effective means to solve DVA problem. By using portable ultrasonic equipment, medical staff can clearly see the vascular structure under the skin, so as to more accurately locate the target vein and implement puncture. This method is especially suitable for children, the elderly and those people with complex venous anatomy structure due to diseases and other reasons.

[0003] When performing venipuncture on a conscious patient, the patient may have difficulty in keeping his or her hand still due to nervousness, pain or other reasons, which significantly increases the difficulty of venipuncture. Moving arms or hands not only make it difficult to find suitable blood vessels, but also increase the risk of mispuncture, increase the discomfort of patients and the possibility of operation failure. In addition, medical staff also need to manually operate the probe to find the best puncture position and angle, which is relatively cumbersome and consumes a lot of time and energy of medical staff. Therefore, it is necessary to design a supersonic guide indwelling needle puncture auxiliary device for patient with difficult venipuncture to solve the above problems. SUMMARY

[0004] In view of the shortcomings of the prior art, a supersonic guide indwelling needle puncture auxiliary device for patient with difficult venipuncture is provided.

[0005] To solve the above technical problems, the utility model provides a kind of supersonic guide indwelling needle puncture auxiliary device for patient with difficult venipuncture, including base, placement pad and limit pad, the base is the load carrier of this device, the base can be conveniently installed or disassembled by bolt, the placement pad is set on the top surface of the base, the placement pad is used to support the part of patient puncture, the limit pad is set on the top of the placement pad, and the limit pad is used to limit the part of patient placed on the placement pad;It also includes: two fixed belts, one side of the base is provided with slot, and the fixed belts are symmetrically installed in the slots away from the limit pad on the base, the fixed belts are elastic, and the fixed belts are used to bind the puncture part of patient;Soft pad is set on the binding contact surface of the fixed belt;Velvet belt is set on the side away from the base of the fixed belt;Hook belt is set on the side away from the fixed belt of the base, the fixed belt is adapted and pasted with the hook belt through the velvet belt thereon, so that the fixed belt passes through the puncture part of patient placed on the placement pad, thereby conveniently and stably fixing the puncture part of patient.

[0006] Further, the placement pad and the limiting pad are made of flexible material with elasticity, the contact surface and the limiting contact surface of the placement pad and the limiting pad are arc-shaped, and the placement pad and the limiting pad are detachably installed on the base and can be replaced according to actual assistance conditions.

[0007] Further, the base is provided with an electric sliding rail on one side, a motorized push rod is installed on the sliding block of the electric sliding rail, a guide rod I is fixedly connected to the sliding block of the electric sliding rail, an assembling piece is slidably installed on the guide rod I, the motorized push rod is connected with the assembling piece, and the assembling piece is used for installing an ultrasonic probe.

[0008] Further, the assembling piece comprises a limiting plate, a mounting frame and a rubber block, the limiting plate is connected to the telescopic rod of the motorized push rod, the mounting frame is installed at one end of the limiting plate away from the motorized push rod, the mounting frame is used for assembling the ultrasonic probe, and the rubber block is arranged at the inner wall of the mounting frame in contact with the ultrasonic probe.

[0009] Further, a sliding groove is formed in the side of the limiting plate close to the mounting frame, a through hole is formed in the side wall of the mounting frame close to the limiting plate, guide rods II are symmetrically and fixedly connected to the sliding grooves in the top surface and the bottom surface of the limiting plate, an extrusion plate is slidably installed in the sliding groove of the limiting plate through the guide rods, springs are arranged between the extrusion plate and the limiting plate, the extrusion plate is limited in the mounting frame under the action of the springs, and the rubber block in the mounting frame is used for stably clamping the assembled ultrasonic probe.

[0010] Further, a rubber pad is arranged on the extrusion end surface of the extrusion plate, the rubber pad is located at the side through hole of the mounting frame, and the rubber pad can buffer the pressure of the extrusion plate extruding the ultrasonic probe in the mounting frame, so that the ultrasonic probe is prevented from being damaged by the extrusion of the extrusion plate.

[0011] Beneficial effects: 1. The placement pad and the limiting pad are made of flexible material with elasticity, and the contact surface is designed as an arc shape, so that the patient's skin can be better fitted and the compression feeling is reduced, the fixed belt ensures the stability of the puncture site, and the risk of puncture failure caused by patient movement is reduced.

[0012] 2. The electric sliding rail and the motorized push rod can flexibly adjust the position and height of the ultrasonic probe, ensure the best imaging angle, and help medical staff to perform puncture operation more accurately.

[0013] 3, the utility model discloses a rubber block and extrusion plate in assembly spare cooperate, can firmly hold ultrasonic probe, prevent it from shaking or falling off in the operation process, the rubber pad on extrusion plate plays the buffering action simultaneously, protects ultrasonic probe from being damaged, also avoids the scratch or other damage to the surface of ultrasonic probe. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the connection relation diagram of the utility model placing pad, limiting pad, fixing band and soft pad.

[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model limiting plate, installation frame and rubber block.

[0017] Figure 4 It is the schematic diagram of the utility model limiting plate, guide rod II, extrusion plate and rubber pad cooperation.

[0018] Part name and serial number in drawing: 1: base, 2: placing pad, 3: limiting pad, 4: fixing band, 5: soft pad, 6: velvet band, 7: hook surface band, 8: electric sliding rail, 9: electric push rod, 10: guide rod I, 11: limiting plate, 12: rubber block, 121: installation frame, 13: ultrasonic probe, 14: guide rod II, 15: spring, 16: extrusion plate, 17: rubber pad. DETAILED DESCRIPTION

[0019] The preferred technical scheme of the utility model is described in detail below in combination with the drawings.

[0020] Embodiment: a kind of special ultrasonic guide indwelling needle puncture auxiliary device for difficult patient of venipuncture, as shown in Figures 1-3As shown, including the base 1, the placement pad 2 and the limiting pad 3, the base 1 is the load carrier of the device, the base 1 can be conveniently installed or disassembled by bolts, the placement pad 2 is arranged on the top surface of the base 1, the placement pad 2 is used to support the puncture site of the patient, the limiting pad 3 is arranged on the top of the placement pad 2, and the limiting pad 3 is used to limit the site of the patient placed on the placement pad 2; further comprising: two fixed belts 4, one side of the base 1 is provided with a slot, and the fixed belts 4 are symmetrically installed in the slots away from the limiting pad 3 on one side of the base 1, the fixed belts 4 are elastic, and the fixed belts 4 are used to bind the puncture site of the patient; a soft pad 5 is arranged on the binding contact surface of the fixed belt 4; a velvet belt 6 is arranged on the side of the fixed belt 4 away from the base 1; a hook belt 7 is arranged on the side of the base 1 away from the fixed belt 4, the fixed belt 4 is adapted and pasted with the hook belt 7 through the velvet belt 6 thereon, so that the fixed belt 4 passes through the puncture site of the patient placed on the placement pad 2, thereby conveniently and stably fixing the puncture site of the patient; the placement pad 2 and the limiting pad 3 are made of flexible material with elasticity, the contact and limiting contact surfaces of the placement pad 2 and the limiting pad 3 are arc-shaped, and the placement pad 2 and the limiting pad 3 are detachably installed on the base 1 and can be replaced for use according to the actual assistance.

[0021] As shown in Figure 1 , the base 1 is provided with an electric sliding rail 8 on one side, a sliding block of the electric sliding rail 8 is provided with an electric push rod 9, and a guide rod I 10 is further fixedly connected to the sliding block of the electric sliding rail 8, an assembly part is slidably installed on the guide rod I 10, the telescopic rod of the electric push rod 9 is connected with the assembly part, and the assembly part is used to install an ultrasonic probe 13, the position and height of the assembly part can be flexibly adjusted through the electric sliding rail 8 and the electric push rod 9, so that the ultrasonic probe 13 assembled on the assembly part can be flexibly adjusted and meet the use of different people.

[0022] As shown in Figure 1 , Figure 3 and Figure 4As shown, the assembly comprises a limiting plate 11 connected to the telescopic rod of the electric push rod 9, a mounting frame 121 mounted at the end of the limiting plate 11 away from the electric push rod 9, the mounting frame 121 being used for assembling the ultrasonic probe 13, and a rubber block 12 arranged at the inner wall of the mounting frame 121 contacting the ultrasonic probe 13, the rubber block 12 being capable of improving the stability of the ultrasonic probe 13 mounted in the mounting frame 121; a sliding groove is formed on the side of the limiting plate 11 close to the mounting frame 121, a through opening is formed on the side wall of the mounting frame 121 close to the limiting plate 11, and a guide rod II 14 is symmetrically and fixedly connected to the sliding groove on the top surface and the bottom surface of the limiting plate 11, an extrusion plate 16 is slidably mounted in the sliding groove of the limiting plate 11 through the guide rod, a spring 15 is arranged between the extrusion plate 16 and the limiting plate 11, the extrusion plate 16 is limited in the mounting frame 121 under the action of the spring 15, and the rubber block 12 in the mounting frame 121 cooperates to stably clamp the assembled ultrasonic probe 13.

[0023] As shown in the drawings, Figure 4 A rubber pad 17 is arranged on the extrusion end surface of the extrusion plate 16, the rubber pad 17 is located at the side opening of the mounting frame 121, the rubber pad 17 can buffer the pressure of the extrusion plate 16 extruding the ultrasonic probe 13 in the mounting frame 121, and damage of the ultrasonic probe 13 caused by extrusion of the extrusion plate 16 is avoided.

[0024] First, according to the size of the patient and the site to be punctured, select the appropriate placement pad 2 and limit pad 3, and install them on the base 1, the placement pad 2 is designed to be soft and elastic material to provide comfortable support, the limit pad 3 helps to accurately locate the patient's arm or other areas to be punctured, to ensure stability during operation, after the patient places the arm or leg to be punctured on the placement pad 2, use two elastic fixing belts 4 with soft pads 5 around the site, and paste the nap belt 6 with the hook belt 7 on the base 1 to fasten, which not only can stabilize the position of the patient's limbs, but also the design of the soft pad 5 increases the comfort and reduces the sense of oppression, then adjust the height and lateral position of the assembly (including the limiting plate 11, the mounting frame 121 and the rubber block 12) through the electric slide rail 8 and the electric push rod 9 installed on one side of the base 1, when the appropriate angle is found, the ultrasonic probe 13 is installed into the mounting frame 121, the extrusion plate 16 will be automatically pressed under the action of the spring 15 to keep the ultrasonic probe 13 stable and not move during the whole process, at the same time, the rubber pad 17 set on the extrusion end face can buffer the pressure from the extrusion plate 16, protect the ultrasonic probe 13 from being damaged, so that the ultrasonic probe 13 in the mounting frame 121 can accurately aim at the target blood vessel area under the patient's skin, with the help of clear ultrasound image guidance, medical staff can accurately identify the most suitable target blood vessel for intravenous puncture.

[0025] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limited to the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An ultrasound-guided indwelling needle puncture assisting device for patients with difficult venipuncture, comprising a base (1), a placement pad (2) and a limiting pad (3), the base (1) can be conveniently installed or removed, the placement pad (2) is arranged on the top surface of the base (1), the placement pad (2) is used to support the puncture site of the patient, and the limiting pad (3) is arranged on the top of the placement pad (2) and used to limit the site of the patient placed on the placement pad (2); characterized in that further It comprises: two fixing belts (4), one side surface of the base (1) is provided with a slot, and the fixing belts (4) are symmetrically installed in the slots away from the limiting pad (3) on one side of the base (1), the fixing belts (4) are elastic, and the fixing belts (4) are used to bind the puncture site of the patient; a soft pad (5) arranged on the binding contact surface of the fixing belt (4); a velvet belt (6) arranged on the side of the fixing belt (4) away from the base (1); a hook belt (7) arranged on the side of the base (1) away from the fixing belt (4), and the fixing belt (4) is adapted and pasted to the hook belt (7) through the velvet belt (6) thereon.

2. The ultrasound-guided needle insertion assistance device for patients with difficult venous access according to claim 1, characterized in that, The placement pad (2) and the limiting pad (3) are made of flexible material with elasticity, and the contact and limiting contact surfaces of the placement pad (2) and the limiting pad (3) are in the shape of a circular arc.

3. The ultrasound-guided needle insertion assistance device for venous puncture difficult patient according to claim 2, characterized in that, An electric sliding rail (8) is installed on one side of the base (1), an electric push rod (9) is installed on the sliding block of the electric sliding rail (8), a guide rod I (10) is further fixedly connected to the sliding block of the electric sliding rail (8), an assembly part is slidably installed on the guide rod I (10), the telescopic rod of the electric push rod (9) is connected with the assembly part, and the assembly part is used to install an ultrasound probe (13).

4. The ultrasound-guided needle insertion assistance device for venous puncture difficulty patients according to claim 3, characterized in that, The assembly part comprises a limiting plate (11), an installation frame (121) and a rubber block (12), the limiting plate (11) is connected to the telescopic rod of the electric push rod (9), the installation frame (121) is installed at one end of the limiting plate (11) away from the electric push rod (9), the installation frame (121) is used to assemble the ultrasound probe (13), and the rubber block (12) is arranged at the inner wall of the installation frame (121) in contact with the ultrasound probe (13).

5. The ultrasound-guided needle insertion assistance device for venous puncture difficult patient according to claim 4, characterized in that, A sliding groove is formed in the side of the limiting plate (11) close to the installation frame (121), a through hole is formed in the side wall of the installation frame (121) close to the limiting plate (11), guide rods II (14) are symmetrically and fixedly connected to the sliding grooves on the top surface and the bottom surface of the limiting plate (11), an extrusion plate (16) is slidably installed in the sliding groove of the limiting plate (11) through the guide rods, and a spring (15) is arranged between the extrusion plate (16) and the limiting plate (11).

6. The ultrasound-guided needle insertion assistance device for venous puncture difficult patient according to claim 5, characterized in that, A rubber pad (17) is arranged on the extrusion end surface of the extrusion plate (16), and the rubber pad (17) is located at the side through hole of the installation frame (121).