Multifunctional anesthetic injection assisting tool

Abstract

The present invention relates to the field of anesthetic injection, and specifically to a multifunctional anesthetic injection auxiliary tool, comprising a bracket, a mounting structure is provided on the bracket, two groups of drive components are symmetrically provided on the bracket, and two groups of pinching components adapted to the drive components are symmetrically provided on the bracket; the drive component comprises a drive rod arranged on the inner side of the bracket, the outer wall of the drive rod is fixedly sleeved with a drive gear, the inner wall of the bracket is fixedly installed with a guide frame, the inner wall of the guide frame is slidably installed with a guide block, and the side of the guide block is fixedly installed with a connecting rod. In the multifunctional anesthetic injection auxiliary tool of the present invention, the use of a servo motor realizes the automatic driving of the anesthetic injection needle, and the cooperation of transmission mechanisms such as gears, racks and connecting rods can accurately control the moving speed and depth of the anesthetic injection needle. This design not only improves the accuracy and efficiency of anesthetic injection, but also reduces the operating burden of medical staff.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of anesthetic injection, in particular to a multifunctional anesthetic injection auxiliary tool. BACKGROUND

[0002] Anesthetic injection is a common anesthetic method in medical procedures, which involves injecting anesthetic drugs into the patient's body through different routes to achieve anesthetic effect. Different types of surgery require different anesthetic methods and doses. Before surgery, the doctor will determine the most appropriate anesthetic method and dose based on the patient's condition, surgical site, age, physical condition, and surgery time, and the injection will be performed by a professional anesthesiologist.

[0003] According to the search, the Chinese patent with publication number CN118576821A discloses a multifunctional anesthetic injection auxiliary tool. By setting up a hinged pull block and a needle tube, when anesthesia is needed, the anesthetic is placed in the needle tube, then the needle tube is placed inside the outer frame, then the hinged wax block is slowly pulled with fingers, the round push block pushes the push rod forward, the setting of the scale mark and the transparent cover can observe the pushed needle tube in real time, improve the stability of use, through the above technical solution, the problems of unstable use and low injection precision in the prior art are solved, but in actual use, the scheme still has the following shortcomings:

[0004] During the key medical step of lumbar injection anesthesia, since the needle required for lumbar injection anesthesia is relatively long, it is necessary for medical personnel to manually insert the needle into the patient's lumbar intervertebral space accurately. This process not only takes a long time, increasing the time cost of the operation, but also has relatively high difficulty. More importantly, if the medical personnel are careless during the operation, the needle may be tilted, which not only may not accurately inject anesthetic drugs to the target position, affecting the anesthetic effect, but also may cause great pain and discomfort to the patient. SUMMARY

[0005] The purpose of the present application is to provide a multifunctional anesthetic injection auxiliary tool.

[0006] To achieve this purpose, the present application adopts the following technical solutions:

[0007] A multifunctional anesthetic injection auxiliary tool is provided, which comprises a support, the support is provided with a mounting structure, the support is provided with two groups of driving assemblies symmetrically, and the support is provided with two groups of pinch assemblies matched with the driving assemblies symmetrically.

[0008] The driving assembly comprises driving rods arranged inside the support, the outer wall of the driving rod is fixedly sleeved with a driving gear, the inner wall of the support is fixedly installed with a guide frame, the inner wall of the guide frame is slidably installed with a guide block, the side surface of the guide block is fixedly installed with a connecting rod, the end of the connecting rod is fixedly installed with a transmission rack engaged with the driving gear, and the bottom surface of the connecting rod is fixedly installed with a connecting frame.

[0009] Further, one end of each of the two connecting frames close to each other is fixedly installed with a mounting ring, and the end of one of the upper driving rods is provided with a servo motor.

[0010] Further, the mounting structure comprises auxiliary plates fixedly installed at the four corners of the end of the support, the bottom of the support is fixedly installed with a guide sleeve, the inner wall of the guide sleeve is slidably installed with an adjusting screw, the bottom end of the guide sleeve is rotatably installed with a threaded sleeve, the threaded sleeve is screwed with the adjusting screw, the bottom end of the adjusting screw is provided with a universal ball groove, the inner wall of the universal ball groove is movably installed with a universal ball head, and the outer wall of the universal ball head is fixedly installed with a supporting plate.

[0011] Further, the bottom surface of the supporting plate and the side surface of each of the four auxiliary plates are bonded with medical patches.

[0012] Further, the pinching assembly comprises a fixed frame fixedly installed on the inner wall of the support, the inner wall of the fixed frame is slidably installed with a sliding plate, the inner wall of the support at one end of the auxiliary plate is fixedly installed with a connecting frame, the inner wall of the connecting frame is slidably installed with a push plate, one end of the push plate outside the connecting frame is fixedly installed with a clamping block, the end of the sliding plate is hingedly connected with a transmission plate, the end of the transmission plate away from the sliding plate is hingedly connected with the side surface of the push plate, the inner wall of the support is fixedly installed with a mounting plate, the side surface of the mounting plate is rotatably installed with a reversing gear through a mounting rod one, the side surface of the mounting plate is rotatably installed with a transmission gear engaged with the reversing gear through a mounting rod two, the sliding plate is provided with a plurality of fixed teeth engaged with the transmission gear, the end of the transmission rack is fixedly installed with a connecting rack engaged with the reversing gear, and the side surface of the mounting plate is provided with a limiting structure corresponding to the mounting rod two.

[0013] Further, the limiting structure comprises a limiting shell fixedly installed on the side surface of the mounting plate, the inner wall of the limiting shell is rotationally installed with a rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a ratchet wheel, the end of the rotating shaft is sleeved with a torsion spring one, and the two ends of the torsion spring one are fixedly connected with the rotating shaft and the limiting shell respectively, the inner wall of the limiting shell is rotationally installed with a shaft rod, the shaft rod is fixedly sleeved with a pawl engaged with the ratchet wheel, the shaft rod is sleeved with a torsion spring two, and the two ends of the torsion spring two are fixedly connected with the shaft rod and the limiting shell respectively, the end of the rotating shaft is fixedly connected with the end of the mounting rod two through the side surface of the limiting shell, and the end of the shaft rod penetrates through the side surface of the limiting shell.

[0014] Further, the trigger mechanism comprises two guide ports symmetrically formed on the clamping block, the inner wall of the two guide ports is slidably installed with a sliding rod, one end of the two sliding rods located outside the guide port is fixedly installed with a clamping plate, the two sliding rods are both sleeved with a spring one, and the two ends of the spring one are fixedly connected with the clamping block and the clamping plate respectively, a squeeze air bag is arranged between the clamping block and the clamping plate, a transmission air bag is fixedly installed on the side surface of the limiting shell through a support plate, the squeeze air bag and the transmission air bag are communicated through a conduit, and the end of the shaft rod located outside the limiting shell is fixedly installed with a lap plate corresponding to the transmission air bag.

[0015] Further, the support is provided with an indication assembly, the two drive rods are transmissionally connected through a driven wheel and a synchronous belt, one of the two drive rods located at the lower part is rotationally connected with the support through a connecting plate, and the two ends of the other drive rod located at the upper part are both provided with a connecting mechanism.

[0016] Further, the indication assembly comprises two support plates fixedly installed on the inner wall of the support symmetrically, the top surface of the two support plates is provided with a pressing plate, the bottom surface of the pressing plate and the two support plates are both fixedly installed with a spring two, the top surface of the pressing plate is penetratingly provided with a plurality of indication rods arranged in a linear array, the bottom surface of the plurality of indication rods is fixedly installed with a magnetic sheet one, the outer wall of the mounting ring is fixedly installed with a supporting rod, the top end of the supporting rod is fixedly installed with a magnetic sheet two, the magnetic pole of the magnetic sheet two opposite to the magnetic sheet one is same, the side surface of the fixed frame is rotationally installed with a rotating rod, and the rotating rod is fixedly sleeved with a pointer.

[0017] Further, the connecting mechanism comprises a fixed plate fixedly installed on the inner wall of the support, the side surface of the fixed plate is provided with an opening, the inner wall of the opening is slidably installed with a guide plate, the side surface of the guide plate is rotationally connected with the end of the drive rod, a plurality of springs three are fixedly installed between the bottom surface of the guide plate and the inner bottom surface of the opening, the bottom surface of the pressing plate is fixedly installed with a pressing rod corresponding to the drive rod, and the bottom end of the pressing rod is fixedly installed with a pressing sleeve.

[0018] The beneficial effects of the present application are as follows:

[0019] 1. Through the design of the mounting structure, the design of the threaded sleeve and the adjusting screw, and the coordinated use of the universal ball groove and the universal ball head, the bracket can be firmly installed at the patient's lumbar spine position, and the support plate can be tilted and adjusted according to the actual situation of the bed to ensure stable support. At the same time, the use of the medical patch further enhances the fixing effect of the bracket, making the entire device safer and more reliable during installation and use.

[0020] 2. The present invention realizes the automatic drive of the anesthetic injection needle by designing a drive component and using a servo motor. Through the cooperation of transmission mechanisms such as gears, racks and connecting rods, the movement speed and depth of the anesthetic injection needle can be accurately controlled. This design not only improves the accuracy and efficiency of anesthetic injection, but also reduces the operating burden of medical staff.

[0021] 3. The present invention realizes intelligent clamping and release of the patient's skin at the injection site by designing a pinching component, through the interaction of components such as the connecting rack, reversing gear, and transmission gear, as well as the design of components such as the splint, extrusion airbag and transmission airbag. This design ensures that the needle can enter the skin smoothly and automatically releases the skin after the injection is completed, avoiding unnecessary damage to the skin.

[0022] 4. The present invention designs an indicator component, through the repulsive magnetic force between magnetic sheet 1 and magnetic sheet 2, and the verticality monitoring of the pointer, so that medical staff can understand the insertion degree of the anesthetic injection needle and the installation status of the bracket in real time. At the same time, the emergency press design makes it possible to quickly stop the drive of the anesthetic injection needle in the event of an accident, ensuring the safety of the patient. This design not only improves the safety performance of the device, but also provides medical staff with a more convenient and efficient operation method. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings in the embodiments of the present invention.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 This is a schematic diagram of a partially cutaway structure of a guide sleeve of the present invention;

[0026] Figure 3 Schematic diagram of the support structure of the present invention;

[0027] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0028] Figure 5 Schematic diagram of the local structure of the bracket of the present invention Figure 1 ;

[0029] Figure 6 Schematic diagram of partial structure of support of the present application Figure 2 ;

[0030] Figure 7 Schematic diagram of internal structure of limiting shell of the present application

[0031] Figure 8 Schematic diagram of clamping block structure of the present application

[0032] Figure 9 Schematic diagram of partial structure of support of the present application Figure 3 Enlarged view of B in the figure

[0033] Figure 10 Schematic diagram of partial structure of support of the present application Figure 5 Enlarged view of C in the figure

[0034] Figure 11 Schematic diagram of use of the present application

[0035] In the figure:

[0036] 1, support; 21, auxiliary plate; 22, guide sleeve; 23, adjusting screw; 24, threaded sleeve; 25, universal ball groove; 26, universal ball head; 27, support plate; 28, medical patch; 31, driving rod; 32, driving gear; 33, guide frame; 34, guide block; 35, connecting rod; 36, transmission rack; 37, connecting frame; 38, mounting ring; 39, servo motor; 41, fixed frame; 42, sliding plate; 43, connecting frame; 44, push plate; 45, clamping block; 46, transmission plate; 47, mounting plate; 48, reversing gear; 49, transmission gear; 410, fixed tooth; 411, connecting rack; 51, limiting shell; 52, rotating shaft; 53, ratchet; 54, torsional spring I; 55, shaft rod; 56, pawl; 57, torsional spring II; 61, guide port; 62, sliding rod; 63, clamping plate; 64, spring I; 65, extrusion air bag; 66, transmission air bag; 67, catheter; 71, support plate; 72, pressing plate; 73, spring II; 74, indicating rod; 75, magnetic sheet I; 76, support rod; 77, magnetic sheet II; 78, rotating rod; 79, pointer; 81, fixed plate; 82, opening; 83, guide plate; 84, spring III; 85, pressing rod; 86, pressing sleeve. DETAILED DESCRIPTION

[0037] The technical solutions of the present application will be further illustrated below by specific embodiments in conjunction with the drawings.

[0038] Wherein, the drawings are only used for exemplary illustration, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation on the present patent; in order to better illustrate the embodiments of the present application, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product.

[0039] The application provides a technical scheme, referring to Figures 1 to 11 The multifunctional anesthetic injection auxiliary tool comprises a support 1, a mounting structure is arranged on the support 1, two groups of driving assemblies are symmetrically arranged on the support 1, and two groups of pinch assemblies matched with the driving assemblies are symmetrically arranged on the support 1.

[0040] The driving assembly comprises a driving rod 31 arranged on the inner side of the support 1, a driving gear 32 fixedly sleeved on the outer wall of the driving rod 31, a guide frame 33 fixedly installed on the inner wall of the support 1, a guide block 34 slidingly installed on the inner wall of the guide frame 33, a connecting rod 35 fixedly installed on the side surface of the guide block 34, a transmission rack 36 fixedly installed on the end of the connecting rod 35 and engaged with the driving gear 32, a connecting frame 37 fixedly installed on the bottom surface of the connecting rod 35, a mounting ring 38 fixedly installed on the end of the two connecting frames 37 close to each other, and a servo motor 39 arranged on the end of one driving rod 31 in the upper portion of the two driving rods 31. After the support 1 is installed, the anesthetic injection needle can be installed and fixed in the mounting ring 38, the end of the anesthetic injection needle is away from the skin of the patient by a certain distance after installation, the anesthetic injection needle is connected with an anesthetic injection pump, then the servo motor 39 is started to drive the driving rod 31 to rotate, the driving rod 31 drives the driving gear 32 to rotate when rotating, the driving gear 32 is engaged with the transmission rack 36, thereby driving the transmission rack 36, the connecting rod 35 and the guide block 34 to slide along the guide frame 33, so that the anesthetic injection needle slides towards the skin of the patient.

[0041] Refer to Figure 1 , Figure 2As shown, the mounting structure includes auxiliary plates 21 fixedly mounted at the four corners of the end of the support 1, a guide sleeve 22 fixedly mounted at the bottom of the support 1, an adjusting screw 23 slidingly mounted on the inner wall of the guide sleeve 22, a threaded sleeve 24 rotatably mounted at the bottom end of the guide sleeve 22 and screwed with the adjusting screw 23, a universal ball groove 25 formed at the bottom end of the adjusting screw 23, a universal ball head 26 movably mounted on the inner wall of the universal ball groove 25, a support plate 27 fixedly mounted on the outer wall of the universal ball head 26, and medical patches 28 adhered to the side surfaces of the four auxiliary plates 21 and the bottom surface of the support plate 27. The support 1 can be mounted on the lumbar position of a patient, and the support 1 can be aligned with the injection position of an anesthetic during installation. Then, the threaded sleeve 24 is rotated, the threaded sleeve 24 is screwed with the adjusting screw 23, and the adjusting screw 23 is slidingly connected with the guide sleeve 22. Therefore, the threaded sleeve 24 can drive the adjusting screw 23 to slide when the threaded sleeve 24 is rotated, so that the support plate 27 at the bottom end of the adjusting screw 23 can be attached to the bed, and the support plate 27 can be inclined under the cooperation of the universal ball groove 25 and the universal ball head 26, so as to ensure that the support plate 27 can be attached to the bed and play a stable supporting role. Then, the medical patches 28 on the auxiliary plates 21 and the support plate 27 can be adhered to the skin of the patient, respectively, and the support 1 can be fixedly positioned.

[0042] Referring to Figures 3 to 6 As shown, the pinch assembly includes a fixed frame 41 fixedly mounted on the inner wall of the support 1, a sliding plate 42 slidingly mounted on the inner wall of the fixed frame 41, a connecting frame 43 fixedly mounted on the inner wall of the support 1 at one end of the auxiliary plate 21, a push plate 44 slidingly mounted on the inner wall of the connecting frame 43, a clamping block 45 fixedly mounted on one end of the push plate 44 located outside the connecting frame 43, a transmission plate 46 hingedly connected to the end of the sliding plate 42, the end of the transmission plate 46 away from the sliding plate 42 hingedly connected to the side surface of the push plate 44, an installation plate 47 fixedly mounted on the inner wall of the support 1, a reversing gear 48 rotatably mounted on the side surface of the installation plate 47 through a mounting rod one, a transmission gear 49 rotatably mounted on the side surface of the installation plate 47 through a mounting rod two and engaged with the reversing gear 48, a plurality of fixed teeth 410 provided on the sliding plate 42 and engaged with the transmission gear 49, a connecting gear rack 411 fixedly mounted on the end of the transmission gear 36 and engaged with the reversing gear 48, and a limiting structure provided on the side surface of the installation plate 47 corresponding to the mounting rod two.

[0043] Referring to Figures 6 to 7As shown, the limiting structure includes a limiting shell 51 fixedly installed on the side of the mounting plate 47, an inner wall of the limiting shell 51 is rotatably installed with a rotating shaft 52, an outer wall of the rotating shaft 52 is fixedly sleeved with a ratchet wheel 53, an end of the rotating shaft 52 is sleeved with a torsional spring I 54, and both ends of the torsional spring I 54 are fixedly connected with the rotating shaft 52 and the limiting shell 51 respectively, an inner wall of the limiting shell 51 is rotatably installed with a shaft rod 55, the shaft rod 55 is fixedly sleeved with a pawl 56 engaged with the ratchet wheel 53, the shaft rod 55 is sleeved with a torsional spring II 57, and both ends of the torsional spring II 57 are fixedly connected with the shaft rod 55 and the limiting shell 51 respectively, an end of the rotating shaft 52 is fixedly connected with an end of the mounting rod II through the side of the limiting shell 51, and an end of the shaft rod 55 penetrates through the side of the limiting shell 51, and the clamping block 45 is provided with a trigger mechanism;

[0044] With reference to Figures 7 to 8As shown, the trigger mechanism comprises two guide ports 61 symmetrically opened on the clamping blocks 45, the inner walls of the two guide ports 61 are slidingly installed with slide rods 62, one end of the two slide rods 62 located outside the guide ports 61 is fixedly installed with clamping plates 63, spring one 64 is sleeved on the two slide rods 62, and the two ends of the spring one 64 are fixedly connected with the clamping blocks 45 and the clamping plates 63 respectively, the extrusion air bag 65 is arranged between the clamping blocks 45 and the clamping plates 63, the side surface of the limiting shell 51 is fixedly installed with a transmission air bag 66 through a supporting plate, the extrusion air bag 65 and the transmission air bag 66 are communicated through a conduit 67, and the one end of the shaft rod 55 located outside the limiting shell 51 is fixedly installed with a lap plate corresponding to the transmission air bag 66; with the sliding of the transmission rack 36, the connecting rack 411 can slide and drive the reversing gear 48 to rotate, the reversing gear 48 is engaged with the transmission gear 49, so that the transmission gear 49 can be driven to rotate, and the rotation direction of the transmission gear 49 is the free state of the ratchet wheel 53 and the pawl 56, so that the transmission gear 49 can rotate, and the transmission gear 49 can drive the sliding plate 42 to slide along the fixed frame 41 through the fixed teeth 410 when rotating, the transmission plate 46 can be tilted and the push plate 44 can be pushed to make the push plate 44 slide along the connecting frame 43 in the process of sliding of the sliding plate 42, the two clamping blocks 45 can approach each other, and the skin at the injection position of the patient can be clamped by the clamping plate 63 in the process of approaching each other, so that the needle is easily inserted subsequently. With the driving of the servo motor 39, the injection needle continues to move and can enter the clamped skin, with the continuous movement of the transmission rack 36 and the connecting rack 411, the connecting rack 411 can be separated from the reversing gear 48, and the extrusion air bag 65 can be compressed by the clamping of the clamping plate 63 at this time, the gas in the extrusion air bag 65 after extrusion can enter the transmission air bag 66 through the conduit 67, and the lap plate on the shaft rod 55 can be jolted after the transmission air bag 66 is inflated to expand, so that the shaft rod 55 rotates, the pawl 56 on the shaft rod 55 can be separated from the ratchet wheel 53 when the shaft rod 55 rotates, and the limiting of the ratchet wheel 53 is released, the rotating shaft 52 can be reversed under the action of the torsional spring one 54 at this time, and the transmission gear 49 and the reversing gear 48 are reversed, so that the sliding plate 42 slides in the opposite direction, and the clamping block 45 can be reset to release the skin of the patient, so that the anesthetic injection needle continues to be inserted.

[0045] Referring to Figures 3 to 9As shown, the bracket 1 is provided with an indicating assembly, two drive rods 31 are connected through a driven wheel and a synchronous belt, the lower one of the two drive rods 31 is rotatably connected to the bracket 1 through a connecting plate, and the upper one is rotatably connected to the bracket 1 at both ends, the indicating assembly comprises two symmetrical supporting plates 71 fixedly installed on the inner wall of the bracket 1, the top surface of each supporting plate 71 is provided with a pressing plate 72, the bottom surface of each pressing plate 72 is fixedly installed with a spring 73, the top surface of each pressing plate 72 is provided with a plurality of indicating rods 74 arranged in a linear array, the bottom surface of each indicating rod 74 is fixedly installed with a magnetic sheet 75, the outer wall of the mounting ring 38 is fixedly installed with a supporting rod 76, the top end of the supporting rod 76 is fixedly installed with a magnetic sheet 77, the magnetic sheet 77 has the same magnetic pole as the magnetic sheet 75, the side surface of the fixed frame 41 is rotatably installed with a rotating rod 78, and the rotating rod 78 is fixedly installed with a pointer 79;

[0046] Referring to Figures 9 to 10 As shown, the connecting mechanism comprises a fixed plate 81 fixedly installed on the inner wall of the bracket 1, the side surface of the fixed plate 81 is provided with an opening 82, the inner wall of the opening 82 is slidably installed with a guide plate 83, the side surface of the guide plate 83 is rotatably connected to the end of the drive rod 31, and the bottom surface of the guide plate 83 is fixedly installed with a plurality of springs 84 between the inner bottom surface of the opening 82, the bottom surface of the pressing plate 72 is fixedly installed with a pressing rod 85 corresponding to the drive rod 31, and the bottom end of the pressing rod 85 is fixedly installed with a pressing sleeve 86; during the process of inserting the anesthetic injection needle into the patient's lumbar vertebrae, the supporting rod 76 can be moved when the mounting ring 38 moves, the indicating rod 74 can be lifted and protruded upward under the repulsive magnetic force of the magnetic sheet 75 and the magnetic sheet 77 when the supporting rod 76 moves below the magnetic sheet 75, medical staff can determine the insertion degree of the anesthetic injection needle by observing the indicating rod 74, and during the erection of the bracket 1, the erection of the bracket 1 can be known by observing the perpendicularity of the pointer 79, and when the pointer 79 is perpendicular to the bracket 1, it means that the bracket 1 can be fixed, which is more convenient to use; when an accident occurs during the insertion of the anesthetic injection needle, the medical staff can press the pressing plate 72 to move the pressing plate 72 downward, and the drive rod 31 can be pressed by the pressing rod 85 and the pressing sleeve 86 during the downward movement of the pressing plate 72, so that the guide plate 83 at the end of the upper drive rod 31 can slide along the opening 82, so that the drive gear 32 and the transmission rack 36 are separated, and the driving of the anesthetic injection needle is stopped, so as to cope with the emergency.

[0047] The working principle of the present application: in use, first, the support 1 can be installed so that the support 1 is installed at the lumbar position of the patient, and the support 1 can be aligned with the anesthetic injection position during installation, then the threaded sleeve 24 is rotated, the threaded sleeve 24 is screwed with the adjusting screw 23, and the adjusting screw 23 is slidingly connected with the guide sleeve 22, so that the threaded sleeve 24 can drive the adjusting screw 23 to slide when rotating, so that the support plate 27 at the bottom end of the adjusting screw 23 can be attached to the sick bed, and under the cooperation of the universal ball groove 25 and the universal ball head 26, the support plate 27 can be inclined to ensure that the support plate 27 can be attached to the sick bed, and the support plate 27 can play a stable supporting role, then the auxiliary plate 21 and the medical patch 28 on the support plate 27 can be respectively attached to the skin of the patient and adhered, that is, the support 1 can be fixed in position; after the support 1 is installed, the anesthetic injection needle can be installed in the installation ring 38 and fixed, the anesthetic injection needle has a certain distance from the skin of the patient after installation, and then the anesthetic injection needle can be connected with the anesthetic injection pump, then the servo motor 39 is started to drive the driving rod 31 to rotate, the driving rod 31 can drive the driving gear 32 to rotate when rotating, the driving gear 32 is engaged with the transmission rack 36, and then the transmission rack 36, the connecting rod 35 and the guide block 34 can slide along the guide frame 33, so that the anesthetic injection needle slides towards the skin of the patient;

[0048] With the sliding of the transmission rack 36, the connecting rack 411 can slide and drive the reversing gear 48 to rotate, the reversing gear 48 is engaged with the transmission gear 49, and then the transmission gear 49 can be driven to rotate, and the rotation direction of the transmission gear 49 is the free state of the ratchet wheel 53 and the pawl 56, so the transmission gear 49 can rotate, and when the transmission gear 49 rotates, the sliding plate 42 can slide along the fixed frame 41 through the fixed teeth 410, and in the process of the sliding of the sliding plate 42, the transmission plate 46 can be tilted and the push plate 44 can be pushed to make the push plate 44 slide along the connecting frame 43, the two clamping blocks 45 can approach each other, and in the process of approaching each other, the skin at the injection position of the patient can be clamped by the clamping plate 63, so that the needle can be easily inserted, and with the driving of the servo motor 39, the injection needle can continue to move and enter the clamped skin, with the continuous movement of the transmission rack 36 and the connecting rack 411, the connecting rack 411 can be separated from the reversing gear 48, and at this time, with the clamping of the clamping plate 63, the compression air bag 65 can be compressed, and the gas in the compressed air bag 65 can enter the transmission air bag 66 through the conduit 67 after the compression of the compression air bag 65, the transmission air bag 66 can drive the lap plate on the shaft 55 to move after being inflated by the gas, so that the shaft 55 rotates, and the pawl 56 on the shaft 55 can be separated from the ratchet wheel 53 when the shaft 55 rotates, so that the ratchet wheel 53 is limited, at this time, the rotating shaft 52 can be reversed under the action of the torsional spring 54, and the transmission gear 49 and the reversing gear 48 can be reversed, so that the sliding plate 42 slides in the opposite direction, the clamping block 45 can be reset, and the patient's skin is loosened, so that the anesthetic injection needle can continue to be inserted;

[0049] In the process of inserting the anesthetic injection needle into the patient's lumbar vertebrae, the installation ring 38 moves and drives the supporting rod 76 to move, and when the supporting rod 76 moves below the magnetic sheet 75, the indicating rod 74 can be lifted up and protrude upward under the repulsive magnetic force of the magnetic sheet 75 and the magnetic sheet 77, and medical staff can observe the indicating rod 74 to determine the insertion degree of the anesthetic injection needle, and in the process of erecting the support 1, the verticality of the pointer 79 can be observed to understand the erection of the support 1, and when the pointer 79 is perpendicular to the support 1, it means that the support 1 can be fixed, and it is more convenient to use; when an accident occurs during the insertion of the anesthetic injection needle, the medical staff can press the pressing plate 72 to make the pressing plate 72 move downward, and in the process of the downward movement of the pressing plate 72, the driving rod 31 can be pressed by the pressing rod 85 and the pressing sleeve 86, so that the guide plate 83 at the end of the upper driving rod 31 can slide along the opening 82, so that the driving gear 32 is separated from the transmission rack 36, and then the driving of the anesthetic injection needle is stopped to deal with the emergency; and after the anesthetic injection needle is completely inserted into the patient's lumbar vertebrae and the anesthetic is injected by the anesthetic pump, the servo motor 39 can be reversed again to make the anesthetic injection needle be pulled out of the patient's lumbar vertebrae.

Claims

1. A multifunctional anesthetic injection auxiliary tool, characterized by: The invention comprises a bracket, a mounting structure is provided on the bracket, two sets of driving components are symmetrically provided on the bracket, and two sets of pressing components adapted to the driving components are symmetrically provided on the bracket; The driving assembly includes a driving rod arranged on the inner side of the bracket, a driving gear is fixedly sleeved on the outer wall of the driving rod, a guide frame is fixedly installed on the inner wall of the bracket, a guide block is slidably installed on the inner wall of the guide frame, a connecting rod is fixedly installed on the side of the guide block, a transmission rack meshing with the driving gear is fixedly installed on the end of the connecting rod, and a connecting frame is fixedly installed on the bottom surface of the connecting rod; The cam is fixedly mounted on the frame, and the sliding plate is slidably mounted on the inner wall of the bracket, and the bracket is located on the inner wall of the auxiliary plate, and a connecting frame is fixedly mounted on the inner wall of the connecting frame for sliding movement. A clamping block is fixedly mounted on the inner wall of the connecting frame, and the end of the push plate is located at the outer side of the connecting frame and is fixedly mounted with the clamping block. The end of the slide is hinged with a transmission plate, and one end of the transmission plate is away from the slide and is hinged to the side surface of the push plate. The inner wall of the bracket is fixedly mounted with a mounting plate, and the side surface of the mounting plate is rotatably mounted with a reversing gear through a mounting rod 1, and the side surface of the mounting plate is rotatably mounted with a transmission gear meshed with the reversing gear through a mounting rod 2. The slide is provided with a plurality of fixed teeth meshed with the transmission gear, and the end of the transmission rack is fixedly mounted with a connecting rack meshed with the reversing gear, and the side surface of the mounting plate is provided with a limiting structure corresponding to the mounting rod 2; The limiting structure includes a limiting shell fixedly mounted on the side of the mounting plate, the inner wall of the limiting shell is rotatably mounted with a rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a ratchet, the end of the rotating shaft is sleeved with a torsion spring 1, and the two ends of the torsion spring 1 are respectively fixedly connected to the rotating shaft and the limiting shell, the inner wall of the limiting shell is rotatably mounted with a shaft rod, the shaft rod is fixedly sleeved with a pawl engaged with the ratchet, the shaft rod is sleeved with a torsion spring 2, and the two ends of the torsion spring 2 are respectively fixedly connected to the shaft rod and the limiting shell, the end of the rotating shaft passes through the side of the limiting shell and is fixedly connected to the end of the mounting rod 2, the end of the shaft rod passes through the side of the limiting shell, and a trigger mechanism is provided on the clamping block; The trigger mechanism includes two guide openings symmetrically opened on the clamping block, and a sliding rod is slidably installed on the inner wall of the two guide openings, and a clamping plate is fixedly installed on one end of the two sliding rods located on the outside of the guide opening. A spring 1 is mounted on each of the two sliding rods, and the two ends of the spring 1 are respectively fixedly connected to the clamping block and the clamping plate. An extrusion airbag is provided between the clamping block and the clamping plate, and a transmission airbag is fixedly installed on the side of the limiting shell through a support plate. The extrusion airbag and the transmission airbag are connected by a conduit, and a lap plate corresponding to the transmission airbag is fixedly installed on the end of the shaft rod located on the outside of the limiting shell.

2. A multifunctional anesthetic injection auxiliary tool according to claim 1, characterized in that: A mounting ring is fixedly mounted on one end of the two connecting frames that are close to each other, and a servo motor is arranged at the end of the upper one of the two driving rods.

3. A multifunctional anesthetic injection auxiliary tool according to claim 2, characterized in that: The mounting structure includes an auxiliary plate fixedly mounted at the four corners of the bracket end, a guide sleeve fixedly mounted at the bottom of the bracket, an adjusting screw slidably mounted on the inner wall of the guide sleeve, a threaded sleeve rotatably mounted on the bottom end of the guide sleeve, and the threaded sleeve is threadedly connected to the adjusting screw, a universal ball groove is provided at the bottom end of the adjusting screw, a universal ball head is movably mounted on the inner wall of the universal ball groove, and a support plate is fixedly mounted on the outer wall of the universal ball head.

4. A multifunctional anesthetic injection auxiliary tool according to claim 3, characterized in that: Medical patches are bonded to the bottom surface of the support plate and the side surfaces of the four auxiliary plates.

5. The multifunctional anesthetic injection auxiliary tool according to claim 4, characterized in that: The bracket is provided with an indicating assembly, and the two driving rods are connected by a driven wheel and a synchronous belt transmission. The lower one of the two driving rods is rotatably connected to the bracket through a connecting plate, and a connecting mechanism is provided between both ends of the upper one and the bracket.

6. The multifunctional anesthetic injection auxiliary tool according to claim 5, characterized in that: The indicating assembly includes support plates symmetrically fixedly mounted on the inner wall of the bracket, a pressure plate is provided on the top surfaces of the two support plates, a spring 2 is fixedly mounted between the bottom surface of the pressure plate and the two support plates, a plurality of indicating rods distributed in a linear array are passed through the top surface of the pressure plate, a magnetic piece 1 is fixedly mounted on the bottom surfaces of the plurality of indicating rods, a support rod is fixedly mounted on the outer wall of the mounting ring, a magnetic piece 2 is fixedly mounted on the top of the support rod, the magnetic poles of the magnetic piece 2 and the relative poles of the magnetic piece 1 are the same, a rotating rod is rotatably mounted on the side of the fixed frame, and a pointer is fixedly mounted on the rotating rod.

7. The multifunctional anesthetic injection auxiliary tool according to claim 6, characterized in that: The connecting mechanism includes a fixing plate fixedly mounted on the inner wall of the bracket, an opening is provided on the side of the fixing plate, a guide plate is slidably mounted on the inner wall of the opening, the side of the guide plate is rotatably connected to the end of the driving rod, a plurality of springs are fixedly mounted between the bottom surface of the guide plate and the inner bottom surface of the opening, a pressure rod corresponding to the driving rod is fixedly mounted on the bottom surface of the pressure plate, and a pressure sleeve is fixedly mounted on the bottom end of the pressure rod.

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