An ultrasonically guided angle-adjustable puncture device

Abstract

The present invention discloses an ultrasonically guided angle-adjustable puncture device, comprising a suction cup, a chassis, a bracket, a limit plate, a hook, a sliding block, a locking valve, an extension tube, an adjusting rod, a first adjusting valve, a second adjusting valve, a support, a pushing device, an ultrasonic probe, a probe fixing device, an adjusting device, a latex pad, a hanging plate, a converter, a transmission line, a connecting plate and an adjusting tube, etc. The present invention has a reasonable and simple structure, low production cost, convenient installation and complete functions. The ultrasonic probe can be fixed by the probe fixing device, so that the puncture depth and angle can be calculated, which facilitates the accuracy of the surgical position and the calculation of the appropriate insertion depth, so that the medical effect is better. By setting the adjusting device, adjusting the angle rod, fixing the angle by the fixing nut, and adjusting the angle scale line set on the upper surface of the block, the adjusted angle can be more accurate.

Description

Technical Field

[0001] The invention relates to the field of medical devices, and in particular to an ultrasound-guided angle-adjustable puncture device. Background Art

[0002] Ultrasound-guided puncture therapy is a medical method that uses ultrasound technology. Ultrasound-guided puncture therapy is suitable for: 1. Fluid or pus accumulation in the serous cavity (pleural cavity, peritoneal cavity, pericardial cavity). 2. Patients with simple liver cysts >5cm and clinical symptoms. 3. Patients with simple kidney cysts >5cm and clinical symptoms. 4. Pancreatic cysts (mainly chronic pseudocysts, pseudocysts caused by acute pancreatitis should be observed for more than 6 weeks, and those who increase rapidly need to be drained to reduce pressure). 5. Liver abscess. 6. Abdominal abscess. 7. Percutaneous ethanol puncture treatment of liver cancer of 3-5cm (preferably <3cm). 8. Patients with obstructive jaundice who clinically need bile duct puncture and catheter drainage. 9. Ultrasound-guided microwave treatment of liver cancer. 10. Ultrasound-guided radiofrequency treatment of liver cancer.

[0003] When performing ultrasound-guided angle puncture surgery, generally, a medical staff member holds an ultrasonic probe to find the lesion site and record the location, while another medical staff member holds an injection needle and instrument. Although the puncture surgery can be completed by two medical staff members, it requires two medical staff members. If one person operates alone, with one hand holding the probe and the other hand holding the needle, it is easy to cause inaccurate puncture position, the puncture force cannot be guaranteed, the puncture angle and depth cannot be measured according to the location, and a good treatment effect cannot be achieved. Therefore, we need a method to solve this problem. Summary of the invention

[0004] The purpose of the present invention is to provide an ultrasound-guided angle-adjustable puncture device in order to solve the above-mentioned problems, which solves the problems of one person operating alone, holding the probe in one hand and the needle in the other, which may easily cause inaccurate puncture position, unable to guarantee puncture force, unable to measure the puncture angle and depth according to the position, and unable to achieve good treatment effect.

[0005] In order to solve the above problems, the present invention provides a technical solution: an ultrasonic-guided angle-adjustable puncture device, the innovation of which lies in: comprising a suction cup, a chassis, a bracket, a limit plate, a hook, a sliding block, a locking valve, an extension tube, an adjusting rod, a first regulating valve, a second regulating valve, a support, a pushing device, an ultrasonic probe, a probe fixing device, an adjusting device, a latex pad, a hanging plate, a converter, a transmission line, a connecting plate, an adjusting tube, a rotating shaft and an ultrasonic controller; the upper end of the suction cup is fixedly connected to the chassis; the upper surface of the chassis is fixedly connected to the bracket; the top of the bracket is fixedly connected to the limit plate, the left side of the limit plate is fixedly connected to the hook, and the right side of the limit plate is fixedly connected to the connecting plate; the connecting plate is hinged with an adjusting tube, the lower end of the adjusting tube is hinged with a rotating shaft, the lower end of the rotating shaft is hinged with an ultrasonic controller, and the output end of the ultrasonic controller is fixedly connected There is a transmission line; a sliding block is slidably connected to the bracket; a locking valve is threadedly connected to the sliding block, and the bottom of the locking valve is in contact with the bracket; an extension tube is fixedly connected to the left surface of the sliding block, an adjusting rod is slidably connected inside the extension tube, a first adjusting valve is threadedly connected to the upper surface of the extension tube, and the bottom surface of the first adjusting valve is in contact with the surface of the adjusting rod; the left end of the adjusting rod is threadedly connected to the second adjusting valve, and a support is hinged between the second adjusting valve and the adjusting rod; a pushing device is connected to the left side of the support; an adjusting device is connected to the left side of the pushing device; a probe fixing device is connected to the left end of the adjusting device; an ultrasonic probe is arranged in the probe fixing device, and a latex pad is arranged on the lower surface of the ultrasonic probe; a converter is fixedly connected to the upper end of the ultrasonic probe, a hanging plate is fixedly connected to the converter, and the converter is fixedly connected to the transmission line.

[0006] Preferably, the specific structure of the pushing device is: it includes a fixed plate, a cylinder, an air pipe and a pusher; the fixed plate is fixedly connected to the support; the left side of the fixed plate is fixedly connected to the cylinder; the output end of the cylinder is fixedly connected to the air pipe; the top end of the air pipe is connected to the pusher.

[0007] Preferably, the specific structure of the pusher is: it includes a screw cover, a sealing cover, an air nozzle and a sliding tube; the air nozzle is fixedly connected to the air pipe; the lower end of the air nozzle is fixedly connected to the sealing cover; the sealing cover is fixedly connected to the sliding tube; the sliding tube is fixedly connected to the screw cover.

[0008] Preferably, the specific structure of the adjusting device is: it includes an adjusting block, a needle entry groove, an angle rod, a fixing nut, a base and a locking screw; the base is fixedly connected to the left surface of the cylinder; the upper surface of the base is fixedly connected with an adjusting block; the needle entry groove is slidably connected in the adjusting block; the front end of the needle entry groove is connected with a locking screw, and the locking screw is threadedly connected with a fixing nut; the rear end of the needle entry groove is connected with an angle rod; the locking screw and the angle rod are both slidably connected in the adjusting block.

[0009] Preferably, the specific structure of the needle insertion slot is as follows: it includes a slot, a push rod, a push tube, a push slot, a piston, a sealing gasket, a sliding plate and a push plate; the slot is slidably connected in the adjusting block, the front end surface of the slot is fixedly connected to the locking screw, and the rear end surface of the slot is fixedly connected to the angle rod; a push tube is fixedly connected to the right side of the slot; a push slot is provided in the push tube; a push rod is slidably connected in the push slot; the upper end of the push rod is fixedly connected to the piston; the piston and the upper end push rod are both slidably connected in the sliding tube; the inner end of the push rod is fixedly connected to the sliding plate, and the contact surface between the sliding plate and the push tube is fixedly connected with a sealing gasket; the lower end of the push rod is fixedly connected to the push plate.

[0010] Preferably, the specific structure of the probe fixing device is as follows: it includes a fixed block, a left clamp, a right clamp, a connecting rod, a first spring, a screw, a second spring and a limit plate; the fixed block is fixedly connected to the left surface of the adjusting block; the left surface of the fixed block is slidably connected with the left clamp and the right clamp; a connecting rod is provided on the right side end between the left clamp and the right clamp, and the front and rear ends of the connecting rod are fixedly connected with the first spring, and the first spring is fixedly connected between the left clamp and the right clamp; a screw is threadedly connected between the left and right clamps, and the front end surface of the screw is wrapped with the second spring; the rear end surface of the screw is fixedly connected with a limit plate.

[0011] Preferably, the lower end of the screw cover is provided with threads.

[0012] Preferably, a thread is provided on the outer side of the upper end of the slot.

[0013] Preferably, the surface of one side of the angle rod of the adjustment block is provided with angle scale lines.

[0014] The beneficial effects of the present invention are as follows: the present invention has a reasonable and simple structure, low production cost, convenient installation, and complete functions. The ultrasonic probe can be fixed by the probe fixing device, so that the puncture depth and angle can be calculated, which facilitates the accuracy of the surgical position and the calculation of the appropriate puncture depth, so that the medical effect is better; by setting an adjustment device, adjusting the angle rod, fixing the angle by a fixing nut, and adjusting the angle scale line set on the upper surface of the block, the adjusted angle is more accurate; by setting a pushing device, the cylinder is started, and the gas enters the air nozzle through the trachea, passes through the sealing cover, and enters the sliding tube to push the piston, and the piston drives the pushing rod, which drives the sliding plate and also drives the pushing plate, and the pushing plate pushes the puncture needle, and the puncture needle quickly enters the lesion to complete the operation, and there will be no unstable force of manual operation, which greatly increases the success rate of the operation and the medical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the structure of the pushing device of the present invention.

[0017] Figure 3 It is a schematic diagram of the structure of the pusher of the present invention.

[0018] Figure 4 It is a schematic diagram of the structure of the regulating device of the present invention.

[0019] Figure 5 It is a partial structural schematic diagram of the regulating device of the present invention.

[0020] Figure 6 It is a schematic diagram of the needle insertion groove structure of the present invention.

[0021] Figure 7 It is a schematic diagram of the structure of the needle insertion groove of the present invention.

[0022] Figure 8 It is a schematic diagram of the structure of the probe fixing device of the present invention.

[0023] 1-suction cup; 2-chassis; 3-bracket; 4-limiting plate; 5-hook; 6-sliding block; 7-locking valve; 8-extension tube; 9-adjusting rod; 10-first regulating valve; 11-second regulating valve; 12-support; 13-pushing device; 14-ultrasonic probe; 15-probe fixing device; 16-adjusting device; 17-latex pad; 18-hanging plate; 19-converter; 20-transmission line; 21-connecting plate; 22-adjusting tube; 23-rotating shaft; 24-ultrasonic controller; 130-fixing plate; 131-cylinder; 132-trachea; 133-propellant; 150-fixing block; 15 1-left clamp; 152-right clamp; 153-connecting rod; 154-first spring; 156-screw; 157-second spring; 158-limiting plate; 160-adjusting block; 161-needle inlet slot; 163-angle rod; 164-fixing nut; 165-base; 166-locking screw; 1330-screw cover; 1331-sealing cover; 1332-air nozzle; 1333-sliding tube; 1610-slot; 1611-push rod; 1612-push tube; 1613-push slot; 1614-piston; 1615-sealing pad; 1616-sliding plate; 1617-push plate. DETAILED DESCRIPTION

[0024] like Figure 1As shown, this specific embodiment adopts the following technical scheme: an ultrasound-guided angle-adjustable puncture device, including a suction cup 1, a chassis 2, a bracket 3, a limit plate 4, a hook 5, a sliding block 6, a locking valve 7, an extension tube 8, an adjustment rod 9, a first regulating valve 10, a second regulating valve 11, a support 12, a pushing device 13, an ultrasonic probe 14, a probe fixing device 15, an adjusting device 16, a latex pad 17, a hanging plate 18, a converter 19, a transmission line 20, a connecting plate 21, an adjusting tube 22, and a rotating shaft 23. and an ultrasonic controller 24; the upper end of the suction cup 1 is fixedly connected to a chassis 2; the upper surface of the chassis 2 is fixedly connected to a bracket 3; the top of the bracket 3 is fixedly connected to a limit plate 4, the left side of the limit plate 4 is fixedly connected to a hook 5, and the right side of the limit plate 4 is fixedly connected to a connecting plate 21; an adjusting tube 22 is hinged on the connecting plate 21, the lower end of the adjusting tube 22 is hinged to a rotating shaft 23, the lower end of the rotating shaft 23 is hinged to an ultrasonic controller 24, and the output end of the ultrasonic controller 24 is fixedly connected to a sensor transmission line 20; a sliding block 6 is slidably connected to the bracket 3; a locking valve 7 is threadedly connected to the sliding block 6, and the bottom of the locking valve 7 is in contact with the bracket 3; an extension tube 8 is fixedly connected to the left surface of the sliding block 6, an adjusting rod 9 is slidably connected inside the extension tube 8, a first adjusting valve 10 is threadedly connected to the upper surface of the extension tube 8, and the bottom surface of the first adjusting valve 10 is in contact with the surface of the adjusting rod 9; the left end of the adjusting rod 9 is threadedly connected to the second adjusting valve 11, and a support 12 is hinged between the second adjusting valve 11 and the adjusting rod 9; a pushing device 13 is connected to the left side of the support 12; an adjusting device 16 is connected to the left side of the pushing device 13; a probe fixing device 15 is connected to the left end of the adjusting device 16; an ultrasonic probe 14 is arranged in the probe fixing device 15, and a latex pad 17 is arranged on the lower surface of the ultrasonic probe 14; a converter 19 is fixedly connected to the upper end of the ultrasonic probe 14, a hanging plate 18 is fixedly connected to the converter 19, and the converter 19 is fixedly connected to the transmission line 20.

[0025] like Figure 2 As shown, the specific structure of the pushing device 13 is: it includes a fixed plate 130, a cylinder 131, an air pipe 132 and a pusher 133; the fixed plate 130 is fixedly connected to the support 12; the cylinder 131 is fixedly connected to the left side of the fixed plate 130; the air pipe 132 is fixedly connected to the output end of the cylinder 131; the top of the air pipe 132 is connected to the pusher 133.

[0026] like Figure 3As shown, the specific structure of the pusher 133 is: it includes a screw cover 1330, a sealing cover 1331, an air nozzle 1332 and a sliding tube 1333; the air nozzle 1332 is fixedly connected to the air pipe 132; the lower end of the air nozzle 1332 is fixedly connected to the sealing cover 1331; the sealing cover 1331 is fixedly connected to the sliding tube 1333; the sliding tube 1333 is fixedly connected in the screw cover 1330.

[0027] like Figure 4 and Figure 5 As shown, the specific structure of the adjusting device 16 is: it includes an adjusting block 160, a needle entry groove 161, an angle rod 163, a fixing nut 164, a base 165 and a locking screw 166; the base 165 is fixedly connected to the left surface of the cylinder 131; the upper surface of the base 165 is fixedly connected with the adjusting block 160; the needle entry groove 161 is slidably connected in the adjusting block 160; the front end of the needle entry groove 161 is connected with the locking screw 166, and the fixing nut 164 is threadedly connected on the locking screw 166; the rear end of the needle entry groove 161 is connected with the angle rod 163; the locking screw 166 and the angle rod 163 are both slidably connected in the adjusting block 160.

[0028] like Figure 6 and Figure 7 As shown, the specific structure of the needle insertion slot 161 is as follows: it includes a card slot 1610, a push rod 1611, a push tube 1612, a push slot 1613, a piston 1614, a sealing gasket 1615, a sliding plate 1616 and a push plate 1617; the card slot 1610 is slidably connected in the adjustment block 160, the front end surface of the card slot 1610 is fixedly connected to the locking screw 166, and the rear end surface of the card slot 1610 is fixedly connected to the angle rod 163; the right side of the card slot 1610 is fixedly connected to the push tube 1612; A pushing groove 1613 is provided in the pushing tube 1612; a pushing rod 1611 is slidably connected in the pushing groove 1613; a piston 1614 is fixedly connected to the upper end of the pushing rod 1611; the piston and the upper end pushing rod 1611 are both slidably connected in the sliding tube 1333; a sliding plate 1616 is fixedly connected to the inner end of the pushing rod 1611, and a sealing gasket 1615 is fixedly connected to the contact surface between the sliding plate 1616 and the pushing tube 1612; a pushing plate 1617 is fixedly connected to the lower end of the pushing rod 1611.

[0029] like Figure 8As shown, the specific structure of the probe fixing device 15 is as follows: it includes a fixing block 150, a left clamp 151, a right clamp 152, a connecting rod 153, a first spring 154, a screw 156, a second spring 157 and a limiting plate 158; the fixing block 150 is fixedly connected to the left surface of the adjusting block 160; the left surface of the fixing block 150 is slidably connected with the left clamp 151 and the right clamp 152; a connecting rod 153 is provided at the right end between the left clamp 151 and the right clamp 152, and the front and rear ends of the connecting rod 153 are fixedly connected with the first spring 154, and the first springs are fixedly connected between the left clamp 151 and the right clamp 152; a screw 156 is threadedly connected between the left sides of the left clamp 151 and the right clamp 152, and the front end surface of the screw 156 is wrapped with the second spring 157; the rear end surface of the screw 156 is fixedly connected with a limiting plate 158.

[0030] The screw cover 1330 has a thread at the lower end; the slot 1610 has a thread at the outer side at the upper end; and the adjustment block 160 has an angle rod 163 with angle scale lines on one side thereof.

[0031] The use state of the present invention is as follows: when in use, first fix the suction cup 1 beside the patient's bed, start the ultrasonic controller 24, hold the ultrasonic probe 14 and scan the lesion of the patient to observe the exact location of the pathogen through the ultrasonic controller 24, adjust the adjustment rod 9 to a suitable position, and fix it by rotating the first adjustment valve 10. After fixing, adjust the support 12 to a suitable position and then rotate the second adjustment valve 11 to fix it. After fixing, place the ultrasonic probe 14 into the left clamp 151 and the right clamp 152 in the probe fixing device 15, and fix and lock it by rotating the screw 156. After fixing, place the needle into the slot 1610, and screw the screw cover 1330 to the slot. At the upper end of 1610, the piston 1614 is placed into the sliding tube 1333, and the rear end of the puncture needle is stuck in the push plate 1617. By observing the position measurement of the ultrasonic controller 24 and calculating the appropriate angle and depth, the angle rod 163 is adjusted and the angle is fixed by the fixing nut 164. After fixing, the cylinder 131 is started, and the gas enters the air nozzle 1332 through the air pipe 132 and enters the sliding tube 1333 through the cover 1331 to push the piston 1614. The piston 1614 drives the push rod 1611, drives the sliding plate 1616 and also drives the push plate 1617. The push plate 1617 pushes the puncture needle. After the puncture reaches the appropriate depth, the medical treatment is completed, the puncture needle is pulled out, the cylinder is closed, and the operation is completed.

[0032] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

[0035] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and wiring layout in detail.

Claims

1. An ultrasound-guided angle-adjustable puncture device, characterized in that: It comprises a suction cup (1), a base (2), a bracket (3), a limit plate (4), a hook (5), a sliding block (6), a locking valve (7), an extension tube (8), an adjusting rod (9), a first adjusting valve (10), a second adjusting valve (11), a support (12), a pushing device (13), an ultrasonic probe (14), a probe fixing device (15), an adjusting device (16), a latex pad (17), a hanging plate (18), a converter (19), a transmission line (20), a connecting plate (21), an adjusting tube (22), a rotating shaft (23) and an ultrasonic controller (24); The upper end of the suction cup (1) is fixedly connected to a bottom plate (2); A bracket (3) is fixedly connected to the upper surface of the chassis (2); The top end of the bracket (3) is fixedly connected to a limiting plate (4), the left side of the limiting plate (4) is fixedly connected to a hook (5), and the right side of the limiting plate (4) is fixedly connected to a connecting plate (21); An adjusting tube (22) is hingedly connected to the connecting plate (21), a rotating shaft (23) is hingedly connected to the lower end of the adjusting tube (22), an ultrasonic controller (24) is hingedly connected to the lower end of the rotating shaft (23), and a transmission line (20) is fixedly connected to the output end of the ultrasonic controller (24); The bracket (3) is slidably connected with a sliding block (6); The sliding block (6) is threadedly connected with a locking valve (7), and the bottom of the locking valve (7) is in contact with the bracket (3); The left side surface of the sliding block (6) is fixedly connected with an extension tube (8), the extension tube (8) is slidably connected with an adjustment rod (9), the upper surface of the extension tube (8) is threadedly connected with a first adjustment valve (10), and the bottom surface of the first adjustment valve (10) is in contact with the surface of the adjustment rod (9); The left end of the regulating rod (9) is threadedly connected to the second regulating valve (11), and a support (12) is hinged between the second regulating valve (11) and the regulating rod (9); The left side of the support (12) is connected with a pushing device (13); The left side of the pushing device (13) is connected with an adjusting device (16); The left end of the adjusting device (16) is connected to a probe fixing device (15); An ultrasonic probe (14) is arranged inside the probe fixing device (15), and a latex pad (17) is arranged on the lower surface of the ultrasonic probe (14); The upper end of the ultrasonic probe (14) is fixedly connected to a converter (19), a hanging plate (18) is fixedly connected to the converter (19), and the converter (19) is fixedly connected to a transmission line (20); The specific structure of the pushing device (13) is as follows: it includes a fixing plate (130), a cylinder (131), an air pipe (132) and a pusher (133); The fixing plate (130) is fixedly connected to the support (12); The left side of the fixed plate (130) is fixedly connected with a cylinder (131); An air pipe (132) is fixedly connected to the output end of the air cylinder (131); The top end of the air pipe (132) is connected to a pusher (133); The specific structure of the pusher (133) is as follows: it includes a screw cover (1330), a sealing cover (1331), an air nozzle (1332) and a sliding tube (1333); The air nozzle (1332) is fixedly connected to the air pipe (132); The lower end of the air nozzle (1332) is fixedly connected to a sealing cover (1331); The sealing cover (1331) is fixedly connected to the sliding tube (1333); The sliding tube (1333) is fixedly connected in the screw cover (1330); The specific structure of the adjusting device (16) is as follows: it comprises an adjusting block (160), a needle entry slot (161), an angle rod (163), a fixing nut (164), a base (165) and a locking screw (166); The base (165) is fixedly connected to the left surface of the cylinder (131); An adjustment block (160) is fixedly connected to the upper surface of the base (165); The adjusting block (160) is slidably connected with a needle insertion groove (161); The front end of the needle insertion groove (161) is connected to a locking screw (166), and a fixing nut (164) is threadedly connected to the locking screw (166); The rear end of the needle insertion slot (161) is connected to an angle rod (163); The locking screw (166) and the angle rod (163) are both slidably connected in the adjustment block (160); The specific structure of the needle insertion slot (161) is as follows: it includes a card slot (1610), a push rod (1611), a push tube (1612), a push slot (1613), a piston (1614), a sealing gasket (1615), a sliding plate (1616) and a push plate (1617); The card slot (1610) is slidably connected in the adjustment card block (160), the front end surface of the card slot (1610) is fixedly connected to the locking screw (166), and the rear end surface of the card slot (1610) is fixedly connected to the angle rod (163); A push tube (1612) is fixedly connected to the right side of the card slot (1610); The pushing tube (1612) is provided with a pushing groove (1613); A pushing rod (1611) is slidably connected in the pushing groove (1613); The upper end of the push rod (1611) is fixedly connected to a piston (1614); The piston and the upper push rod (1611) are both slidably connected in the sliding tube (1333); The inner end of the push rod (1611) is fixedly connected to a sliding plate (1616), and the contact surfaces of the sliding plate (1616) and the push tube (1612) are fixedly connected to a sealing gasket (1615); The lower end of the push rod (1611) is fixedly connected with a push plate (1617); The specific structure of the probe fixing device (15) is as follows: it includes a fixing block (150), a left clamp (151), a right clamp (152), a connecting rod (153), a first spring (154), a screw (156), a second spring (157) and a limiting plate (158); The fixing block (150) is fixedly connected to the left side surface of the adjusting block (160); The left side surface of the fixed block (150) is slidably connected with a left clamping opening (151) and a right clamping opening (152); A connecting rod (153) is provided at the right end between the left clamping opening (151) and the right clamping opening (152), and the front and rear ends of the connecting rod (153) are both fixedly connected to a first spring (154), and the first spring is fixedly connected between the left clamping opening (151) and the right clamping opening (152); A screw rod (156) is threadedly connected between the left clamping opening (151) and the left side of the right clamping opening (152), and a second spring (157) is wrapped around the front end surface of the screw rod (156); The rear end surface of the screw rod (156) is fixedly connected to a limiting plate (158).

2. The ultrasound-guided angle-adjustable puncture device according to claim 1, characterized in that: The lower end of the screw cover (1330) is provided with a thread.

3. The ultrasound-guided angle-adjustable puncture device according to claim 1, characterized in that: The outer side of the upper end of the slot (1610) is provided with a thread.

4. The ultrasound-guided angle-adjustable puncture device according to claim 1, characterized in that: The adjusting block (160) has an angle rod (163) and a surface on one side thereof is provided with angle scale lines.

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