A biopsy puncture device

Abstract

The present application relates to the technical field of medical equipment, and discloses a biopsy puncture device, which comprises a supporting seat, a controller is fixedly connected to the outer side wall of the supporting seat, a mounting frame is movably connected to the top of the supporting seat, a limiting groove is formed in the upper surface of the mounting frame, an adjusting mechanism is installed above the mounting frame, and a puncture mechanism is installed at the bottom of the mounting frame. The adjusting mechanism can adjust the use height of the mounting frame according to actual needs, which is convenient for the actual operation of medical staff of different heights, the application range is improved, the puncture mechanism can fine-tune the transverse and longitudinal positions of the needle cylinder, which is convenient for the puncture needle on the needle cylinder to be inserted into the patient's body for puncture, the puncture depth and position can be controlled, the puncture precision is improved, and after use, the needle cylinder can be quickly disassembled, the disassembly time of the needle cylinder is greatly shortened, and the needle cylinder can be clamped through the elastic clamping mode, so that the damage probability of the needle cylinder can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a biopsy puncture device. BACKGROUND

[0002] Puncture biopsy is the main method for bone and soft tissue tumor to obtain histopathological diagnosis. Because limb-salvage treatment of malignant tumor has become the main trend, it requires more stringent requirements for the biopsy material approach and method. Incorrect biopsy often causes contamination of important structures such as blood vessels and nerve bundles during material taking, which makes the tumor unable to be completely removed and leads to the failure of limb-salvage treatment. Therefore, before puncture biopsy, the nature, stage and treatment of the tumor should be fully understood, and sufficient preoperative planning should be carried out to ensure that the needle path for material taking is located on the surgical incision so that the tumor can be completely removed during the operation. In the existing renal biopsy puncture operation process, medical staff need to hold the puncture needle for puncture.

[0003] The existing puncture device is difficult to adjust its use height according to actual needs when in use, which is not convenient for medical staff of different heights to actually operate, and is difficult to quickly disassemble and assemble the needle cylinder, so as to shorten the disassembly and assembly time of the needle cylinder. SUMMARY

[0004] The purpose of the present application is to provide a biopsy puncture device to solve the problems raised in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a biopsy puncture device, comprising a support seat, a controller is fixedly connected to the outer side wall of the support seat, a mounting frame is movably connected to the top of the support seat, a limiting groove is formed in the upper surface of the mounting frame, an adjusting mechanism is installed above the mounting frame, and a puncture mechanism is installed at the bottom of the mounting frame.

[0006] The adjusting mechanism comprises a transmission screw rod, a first supporting plate, a second supporting plate, a rack, a limiting plate, a gear, a first belt pulley, a second belt pulley, a transmission belt, a first threaded rod, a mounting pipe and a mounting plate. The first supporting plate is movably sleeved on the outside of the transmission screw rod, the second supporting plate is rotatably connected to one end of the transmission screw rod through a bearing, the rack is threadedly sleeved on the outside of the transmission screw rod, the limiting plate is fixedly connected to the bottom of the rack, the gears are engaged on both sides of the rack, the first belt pulley is fixedly connected to the top of each gear, the second belt pulley is installed on one side of the first belt pulley, the transmission belt is wound around the outside of the first belt pulley and the second belt pulley, the first threaded rod is fixedly penetrated in the inside of the second belt pulley, the mounting pipe is threadedly sleeved on the bottom of the first threaded rod along its own length direction, and the mounting plate is fixedly connected to the bottom end of the mounting pipe along its own length direction.

[0007] The puncture mechanism comprises a second threaded rod, a fastening plate, two guide rods, two adjusting locking rings, a cross rod, a support frame, a servo motor, a rotating shaft, two support base plates, two sliding grooves, a needle cylinder, two first supports, two second supports, a first pressing plate and a second pressing plate, the fastening plate is sleeved with the second threaded rod outside, two guide rods are movably penetrated through the fastening plate, adjusting locking rings are fixedly connected to the front and back ends of the fastening plate, fastening bolts are threadedly connected to the two adjusting locking rings, the cross rod is movably penetrated through the interiors of the two adjusting locking rings, the support frame is rotatably connected to the bottom end of the second threaded rod through a bearing, the outer side wall of the support frame is fixedly connected with the servo motor, the driving end of the servo motor is movably penetrated through the support frame and connected with the rotating shaft, two support base plates are fixedly connected to the bottom of the support frame, the inner walls of the support frame are longitudinally provided with the two sliding grooves, the needle cylinder is movably arranged between the two support base plates, two first supports are fixedly connected to the rotating shaft, the bottom ends of the two first supports are movably connected with the two second supports, the bottom ends of the two second supports are movably connected with the first pressing plate, and the second pressing plate is arranged below the first pressing plate.

[0008] Optionally, the first support plate and the transmission screw rod are rotatably connected through a bearing, the first support plate and the second support plate are fixedly connected to the top of the mounting frame, and the first support plate is located at the rear side of the second support plate.

[0009] Optionally, the limiting plate and the limiting groove are matched, the limiting plate is slidably connected in the limiting groove, and the mounting plate is fixedly connected to the inner side wall of the support base.

[0010] Optionally, the gear, the first belt pulley, the second belt pulley, the transmission belt, the first threaded rod, the mounting pipe and the mounting plate are symmetrically distributed with the central axis of the rack as a reference, the first threaded rod movably penetrates through the mounting frame, the first threaded rod and the mounting frame are rotatably connected through a bearing, the bottom of the gear is rotatably connected to the top of the mounting frame through a bearing, and the support base is symmetrically distributed with the central axis of the mounting frame as a reference.

[0011] Optionally, the two cross rods are fixedly connected to the interior of the mounting frame, the bottom ends of the two guide rods are fixedly connected to the top of the support frame at the two side edges, and one end of the fastening bolt abuts against the cross rod.

[0012] Optionally, one end of the rotating shaft is rotatably connected to the interior of the support frame through a bearing, the first pressing plate is fixedly connected with a sliding block, the sliding block is slidably connected in the sliding groove, the two sides of the needle cylinder are fixedly connected with two pokers, and the two pokers abut against the two support base plates respectively.

[0013] Optionally, two oppositely distributed metal elastic sheets are fixedly connected between the first pressing plate and the second pressing plate, a spring is connected between the two metal elastic sheets, the bottom of the second pressing plate abuts against one of the pokers, and the two metal elastic sheets are in arc structures.

[0014] Optionally, the first support, the second support, the first pressing plate, the sliding block, the second pressing plate, the metal spring and the spring are symmetrically distributed with the central axis of the support frame as the reference, and the fastening plate is a cross-shaped structure.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. The adjusting mechanism can adjust the use height of the mounting frame according to actual needs, facilitates actual operation of medical staffs of different heights, improves the application range, and only needs to hold the transmission lead screw to complete the adjusting work, which is time-saving and labor-saving, and a single person can complete the operation, and is easy to use.

[0017] 2. The puncture mechanism can fine-tune the needle cylinder in the horizontal and vertical positions, facilitate the puncture needle on the needle cylinder to penetrate into the patient's body, control the puncture depth and position, improve the puncture precision, and after use, the needle cylinder can be quickly disassembled, greatly shorten the disassembly time of the needle cylinder, and through the elastic clamping mode, the needle cylinder is clamped, the damage probability of the needle cylinder is reduced, and the service life of the needle cylinder is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the biopsy puncture device.

[0019] Figure 2 It is a side view of the biopsy puncture device.

[0020] Figure 3 It is a structure schematic view of the adjusting mechanism in the biopsy puncture device.

[0021] Figure 4 It is a structure schematic view of the limiting groove in the biopsy puncture device.

[0022] Figure 5 It is a structure schematic view of the puncture mechanism in the biopsy puncture device.

[0023] Figure 6 It is Figure 5 It is an enlarged view of part A.

[0024] Figure 7 It is a structure schematic view of the metal spring and the spring in the biopsy puncture device.

[0025] In the figure: 1, support seat; 11, controller; 2, mounting frame; 21, limiting groove; 3, adjusting mechanism; 31, transmission screw rod; 311, first support plate; 312, second support plate; 32, rack; 33, limiting plate; 34, gear; 35, first belt pulley; 36, second belt pulley; 37, transmission belt; 38, first threaded rod; 39, mounting pipe; 391, mounting plate; 4, puncture mechanism; 41, second threaded rod; 411, fastening plate; 412, guide rod; 413, adjusting lock ring; 414, cross bar; 42, support frame; 421, servo motor; 422, rotating shaft; 423, support pad plate; 424, sliding groove; 43, needle cylinder; 44, first support; 45, second support; 46, first pressing plate; 461, sliding block; 47, second pressing plate; 48, metal spring piece; 49, spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the present application.

[0027] Please refer to Figures 1 to 7 The present application provides a biopsy puncture device, which comprises a support seat 1, a controller 11 is fixed to the outer side wall of the support seat 1, and a mounting frame 2 is movably inserted into the top of the support seat 1.

[0028] The upper surface of the mounting frame 2 is provided with a limiting groove 21, and the upper side of the mounting frame 2 is provided with an adjusting mechanism 3. The adjusting mechanism 3 comprises a transmission screw rod 31, a first supporting plate 311, a second supporting plate 312, a rack 32, a limiting plate 33, a gear wheel 34, a first belt pulley 35, a second belt pulley 36, a transmission belt 37, a first threaded rod 38, a mounting pipe 39 and a mounting plate 391. The first supporting plate 311 is movably sleeved at the outer portion of the transmission screw rod 31, and the second supporting plate 312 is rotatably connected to one end of the transmission screw rod 31 through a bearing. The rack 32 is threadedly sleeved at the outer portion of the transmission screw rod 31, and the bottom of the rack 32 is fixedly connected with the limiting plate 33. The two sides of the rack 32 are engaged with the gear wheel 34, and the top of each gear wheel 34 is fixedly connected with the first belt pulley 35. The first belt pulley 35 is provided with the second belt pulley 36 on one side, and the outer portions of the first belt pulley 35 and the second belt pulley 36 are wound with the transmission belt 37. The first threaded rod 38 is fixedly penetrated into the inner portion of the second belt pulley 36, and the mounting pipe 39 is threadedly sleeved at the bottom of the first threaded rod 38 along the length direction of the first threaded rod 38. The bottom end of the mounting pipe 39 is fixedly connected with the mounting plate 391 along the length direction of the mounting pipe 39. The first supporting plate 311 and the transmission screw rod 31 are rotatably connected through a bearing, and the first supporting plate 311 and the second supporting plate 312 are fixedly connected to the top of the mounting frame 2. The first supporting plate 311 is located at the rear side of the second supporting plate 312. The limiting plate 33 is slidably connected in the inner portion of the limiting groove 21, and the mounting plate 391 is fixedly connected to the inner side wall of the supporting seat 1. The gear wheel 34, the first belt pulley 35, the second belt pulley 36, the transmission belt 37, the first threaded rod 38, the mounting pipe 39 and the mounting plate 391 are symmetrically distributed based on the central axis of the rack 32. The first threaded rod 38 movably penetrates through the mounting frame 2 and is rotatably connected with the mounting frame 2 through a bearing. The bottom of the gear wheel 34 is rotatably connected to the top of the mounting frame 2 through a bearing. The supporting seat 1 is symmetrically distributed based on the central axis of the mounting frame 2. The adjusting mechanism 3 can adjust the use height of the mounting frame 2 according to actual needs, which is convenient for medical staff of different heights to operate, and the application range is improved. Moreover, the adjusting mechanism 3 only needs to hold the transmission screw rod 31 to complete the adjusting work, which is time-saving and labor-saving, and a single person can complete the operation, which is easy to use.

[0029] The bottom of the mounting frame 2 is provided with a puncture mechanism 4, which comprises a second threaded rod 41, a fastening plate 411, guide rods 412, adjusting lock rings 413, cross rods 414, support frames 42, servo motors 421, rotating shafts 422, support pads 423, sliding grooves 424, needle cylinders 43, first supports 44, second supports 45, first pressing plates 46 and second pressing plates 47, the outer part of the second threaded rod 41 is threadedly sleeved with the fastening plate 411, two parallel guide rods 412 are movably penetrated through the fastening plate 411, adjusting lock rings 413 are fixedly connected to the front and rear ends of the fastening plate 411, fastening bolts are threadedly connected to the two adjusting lock rings 413, cross rods 414 are movably penetrated through the interiors of the two adjusting lock rings 413, the bottom end of the second threaded rod 41 is rotatably connected with the support frame 42 through a bearing, a servo motor 421 is fixedly connected to the outer side wall of the support frame 42, a rotating shaft 422 is movably penetrated through the support frame 42 and connected to the driving end of the servo motor 421, two support pads 423 are fixedly connected to the bottom of the support frame 42, longitudinal sliding grooves 424 are formed in the two sides of the inner wall of the support frame 42, a needle cylinder 43 is movably mounted between the two support pads 423, two first supports 44 are fixedly connected to the rotating shaft 422, two second supports 45 are movably connected to the bottom ends of the two first supports 44, two first pressing plates 46 are movably connected to the bottom ends of the two second supports 45, two second pressing plates 47 are mounted below the two first pressing plates 46, the two cross rods 414 are fixedly connected to the interior of the mounting frame 2, the bottom ends of the two guide rods 412 are fixedly connected to the top sides of the support frame 42, one end of the fastening bolt abuts against the cross rod 414, one end of the rotating shaft 422 is rotatably connected to the interior of the support frame 42 through a bearing, a sliding block 461 is fixedly connected to the first pressing plate 46, the sliding block 461 is slidably connected to the interior of the sliding groove 424, two knobs are fixedly connected to the two sides of the needle cylinder 43, the two knobs abut against the two support pads 423 respectively, two oppositely distributed metal springs 48 are fixedly connected between the first pressing plate 46 and the second pressing plate 47, a spring 49 is connected between the two metal springs 48, the bottom of the second pressing plate 47 abuts against one of the knobs, the two metal springs 48 are in arc-shaped structures, the first support 44, the second support 45, the first pressing plate 46, the sliding block 461, the second pressing plate 47, the metal spring 48 and the spring 49 are symmetrically distributed with the central axis of the support frame 42 as the reference, the fastening plate 411 is in a "cross" structure, the puncture mechanism 4 can finely adjust the position of the needle cylinder 43 in the horizontal and vertical directions, facilitate the puncture needle on the needle cylinder 43 to be pierced into the patient's body for puncture, the puncture depth and position can be controlled, the puncture precision is improved, after use, the needle cylinder 43 can be quickly disassembled, the disassembly time of the needle cylinder 43 is greatly shortened, and the damage probability of the needle cylinder 43 can be reduced through the elastic clamping mode, the service life of the needle cylinder 43 is prolonged.

[0030] Working principle: when using the device, hold the transmission screw rod 31 and rotate it clockwise, which can drive the rack 32 to move forward constantly, and in turn drive the gears 34 on both sides to rotate, and the gears 34 can drive the first belt pulley 35 above to rotate, and under the action of the transmission belt 37, the second belt pulley 36 can rotate, and in turn drive the first threaded rod 38 to rotate, and since the first threaded rod 38 and the mounting pipe 39 are connected by threads, the mounting frame 2 can move upwards constantly at this time, and by the same token, hold the transmission screw rod 31 and rotate it counterclockwise, which can drive the rack 32 to move backwards constantly, and in turn drive the gears 34 on both sides to rotate in the opposite direction, and the gears 34 can drive the first belt pulley 35 above to rotate in the opposite direction, and under the action of the transmission belt 37, the second belt pulley 36 can rotate in the opposite direction, and in turn drive the first threaded rod 38 to rotate in the opposite direction, and since the first threaded rod 38 and the mounting pipe 39 are connected by threads, the mounting frame 2 can move downwards constantly at this time, and the adjusting mechanism 3 can adjust the working height of the mounting frame 2 according to actual needs, which is convenient for medical staff of different heights to operate in practice, and the scope of application has been improved, and the adjusting mechanism 3 only needs to hold the transmission screw rod 31 to complete the adjustment work, which is time-saving and labor-saving to adjust, and a single person can complete the operation, which is easy to use in practice, then hold the support frame 42 and move it left and right, which can drive the needle cylinder 43 to move left and right, and after moving to the rational position, tighten the fastening bolt, which can fix the adjusting lock ring 413 on the cross rod 414 at this time, then hold the second threaded rod 41 and rotate it clockwise, which can drive the support frame 42 and the needle cylinder 43 to move downwards constantly, so as to complete the puncture, when the needle cylinder 43 needs to be disassembled, control the servo motor 421 to rotate counterclockwise, which can drive the rotating shaft 422 to rotate counterclockwise, and the rotating shaft 422 can drive the first support 44 and the second support 45 to move after rotating, and in turn drive the first pressing plate 46 and the second pressing plate 47 to move upwards, until the second pressing plate 47 moves away from the needle cylinder 43, during installation, control the servo motor 421 to rotate clockwise, which can drive the rotating shaft 422 to rotate clockwise, and the rotating shaft 422 can drive the first support 44 and the second support 45 to move after rotating, and in turn drive the first pressing plate 46 and the second pressing plate 47 to move downwards, until the second pressing plate 47 abuts against the needle cylinder 43, and as the first pressing plate 46 and the second pressing plate 47 move downwards constantly, the metal spring 48 and the spring 49 can be deformed, so as to press the needle cylinder 43 tightly, therefore, the puncture mechanism 4 can fine-tune the needle cylinder 43 in the horizontal and vertical positions, which is convenient for the puncture needle on the needle cylinder 43 to penetrate into the patient's body for puncture, and the puncture depth and position can be controlled, which improves the puncture precision, and after use, the needle cylinder 43 can be disassembled quickly, which greatly shortens the disassembly time of the needle cylinder 43, and the needle cylinder 43 is clamped by the elastic clamping mode, which can reduce the damage probability of the needle cylinder 43, and prolong the service life of the needle cylinder 43.

[0031] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A biopsy puncture device, comprising a support base (1), characterized in that, A controller (11) is fixedly connected to the outer side wall of the support base (1), and a mounting bracket (2) is movably inserted into the top of the support base (1). A limit groove (21) is opened on the upper surface of the mounting bracket (2), and an adjustment mechanism (3) is installed above the mounting bracket (2). A piercing mechanism (4) is installed at the bottom of the mounting bracket (2). The adjusting mechanism (3) includes a transmission screw (31), a first support plate (311), a second support plate (312), a rack (32), a limiting plate (33), a gear (34), a first pulley (35), a second pulley (36), a transmission belt (37), a first threaded rod (38), a mounting tube (39), and a mounting plate (391). The transmission screw (31) is movably fitted with the first support plate (311), and one end of the transmission screw (31) is rotatably connected to the second support plate (312) through a bearing. The transmission screw (31) is threadedly fitted with the rack (32), and the bottom of the rack (32) is fixed. A limit plate (33) is connected, and gears (34) mesh on both sides of the rack (32). A first pulley (35) is fixedly connected to the top of each of the two gears (34). A second pulley (36) is installed on one side of the first pulley (35). A transmission belt (37) is wound around the outside of the first pulley (35) and the second pulley (36). A first threaded rod (38) is fixedly passed through the inside of the second pulley (36). An installation tube (39) is threaded on the bottom of the first threaded rod (38) along its own length direction. An installation plate (391) is fixedly connected to the bottom end of the installation tube (39) along its own length direction. The puncture mechanism (4) includes a second threaded rod (41), a fastening plate (411), a guide rod (412), an adjusting lock ring (413), a crossbar (414), a support frame (42), a servo motor (421), a rotating shaft (422), a support pad (423), a slide groove (424), a syringe (43), a first bracket (44), a second bracket (45), a first pressure plate (46), and a second pressure plate (47). The fastening plate (411) is threaded onto the outer side of the second threaded rod (41). Two parallel guide rods (412) pass through the fastening plate (411). Adjusting lock rings (413) are fixed to both ends of the fastening plate (411). Fastening bolts are threaded onto both adjusting lock rings (413). Crossbars (414) pass through the interior of both adjusting lock rings (413). 14) The bottom end of the second threaded rod (41) is rotatably connected to a support frame (42) via a bearing. A servo motor (421) is fixedly connected to the outer wall of the support frame (42). The drive end of the servo motor (421) movably passes through the support frame (42) and is connected to a rotating shaft (422). Two support pads (423) are fixedly connected to the bottom of the support frame (42). Slide grooves (424) are longitudinally opened on both sides of the inner wall of the support frame (42). A syringe (43) is movably installed between the two support pads (423). Two first brackets (44) are fixedly connected to the rotating shaft (422). The bottom ends of the two first brackets (44) are movably connected to second brackets (45). The bottom ends of the two second brackets (45) are movably connected to first pressure plates (46). A second pressure plate (47) is installed below the two first pressure plates (46).

2. The biopsy puncture device according to claim 1, characterized in that, The first support plate (311) and the transmission screw (31) are rotatably connected by bearings. The first support plate (311) and the second support plate (312) are both fixed to the top of the mounting frame (2). The first support plate (311) is located on the rear side of the second support plate (312).

3. The biopsy puncture device according to claim 1, characterized in that, The limiting plate (33) and the limiting groove (21) are adapted to each other, and the limiting plate (33) is slidably connected inside the limiting groove (21), and the mounting plate (391) is fixed to the inner wall of the support base (1).

4. The biopsy puncture device according to claim 1, characterized in that, The gear (34), first pulley (35), second pulley (36), transmission belt (37), first threaded rod (38), mounting tube (39) and mounting plate (391) are all symmetrically distributed with respect to the central axis of the rack (32). The first threaded rod (38) movably passes through the mounting frame (2), and the first threaded rod (38) and the mounting frame (2) are rotatably connected by bearings. The bottom of the gear (34) is rotatably connected to the top of the mounting frame (2) by bearings. The support base (1) is symmetrically distributed with respect to the central axis of the mounting frame (2).

5. The biopsy puncture device according to claim 1, characterized in that, Both crossbars (414) are fixed inside the mounting bracket (2), and the bottom ends of the two guide rods (412) are fixed to the top two sides of the support frame (42), with one end of the fastening bolt abutting against the crossbar (414).

6. The biopsy puncture device according to claim 1, characterized in that, One end of the rotating shaft (422) is rotatably connected to the inside of the support frame (42) via a bearing. A slider (461) is fixedly connected to the first pressure plate (46). The slider (461) is slidably connected to the inside of the slide groove (424). Two paddles are fixedly connected to both sides of the syringe (43). The two paddles abut against the two support pads (423) respectively.

7. A biopsy puncture device according to claim 6, characterized in that, Two relatively distributed metal springs (48) are fixed between the first pressure plate (46) and the second pressure plate (47). A spring (49) is connected between the two metal springs (48). The bottom of the second pressure plate (47) abuts against one of the levers. Both metal springs (48) are arc-shaped structures.

8. A biopsy puncture device according to claim 6, characterized in that, The first bracket (44), the second bracket (45), the first pressure plate (46), the slider (461), the second pressure plate (47), the metal spring (48), and the spring (49) are all symmetrically distributed with the central axis of the support frame (42) as the reference, and the fastening plate (411) is a cross-shaped structure.

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