Skin sterilizer for infusion

Abstract

The invention relates to the field of medical instruments, in particular to a skin sterilizer for infusion. Comprising a fixing block, a fixing mechanism is arranged on the fixing block and used for fixing the fixing block to the limb of a patient, a rotating rod is rotationally arranged on the fixing block, a round frame is connected to the rotating rod, round holes are formed in the outer wall of the round frame at intervals, a servo motor is slidably arranged on the inner wall of the round frame, and a rotating mechanism is arranged on the round frame; the rotating mechanism is used for driving the servo motor to rotate on the inner wall of the round frame, and an output shaft of the servo motor is connected with a lead screw. Skin disinfection is carried out in an automatic mode, the working efficiency can be remarkably improved, it is ensured that disinfectant is evenly distributed, the disinfection quality is improved, the infection risk caused by incomplete disinfection is effectively reduced, and compared with a traditional cotton ball or cotton swab disinfection method, the disinfection method has the advantages that the disinfection efficiency is improved, and the cost is reduced. According to the sterilizer, the use amount of the disinfectant can be more accurately controlled, excessive consumption of a sterilizing material is avoided, and meanwhile, the cost is reduced.

Description

Technical Field

[0001] The invention relates to the field of medical devices, and in particular to a skin sterilizer for infusion. Background Art

[0002] As a highly professional medical technology, intravenous infusion therapy has a wide range of applications, including but not limited to parenteral infusion, nutritional support, medication and infusion. The history of this technology can be traced back to the 17th century, but the real great progress mainly occurred in the 20th century. With the continuous development of medical technology and the improvement of sanitary conditions, how to more efficiently and accurately disinfect the skin before infusion has become an important issue facing medical staff.

[0003] Before intravenous infusion, the skin area where the needle is about to be inserted must be thoroughly disinfected to prevent bacteria from entering the human body through the needle hole and causing infection and other problems; traditional disinfection methods mainly include using surgical tweezers to hold disinfection cotton balls or using cotton swabs to apply disinfectant. However, these traditional methods have some obvious shortcomings: due to the limited ability of disinfection cotton balls to absorb disinfectant, they need to be frequently dipped in disinfectant to complete a complete disinfection process, which not only reduces work efficiency, but also may lead to poor disinfection effects due to uneven distribution of disinfectant; although cotton swabs are easy to operate, in actual use, multiple cotton swabs are often required to complete an effective disinfection, which increases material consumption and prolongs the operation time. In addition, in the hands of unskilled operators, it is easy to fail to disinfect, thereby increasing the risk of infection. Summary of the invention

[0004] In view of this, the present invention provides a skin disinfector for infusion, which can solve the shortcomings of using traditional disinfection methods to disinfect the patient's skin, not only with low work efficiency, but also with poor disinfection effect due to uneven distribution of disinfectant, thereby increasing the risk of infection.

[0005] Technical solution: A skin disinfector for infusion, comprising a fixed block, a fixing mechanism is arranged on the fixed block, the fixing mechanism is used to fix the fixed block on the patient's limb, a rotating rod is rotatably arranged on the fixed block, a circular frame is connected to the rotating rod, circular holes are arranged at intervals on the outer wall of the circular frame, a servo motor is slidably arranged on the inner wall of the circular frame, a rotating mechanism is arranged on the circular frame, the rotating mechanism is used to drive the servo motor to rotate on the inner wall of the circular frame, a screw rod is connected to the output shaft of the servo motor, a slider is also slidably arranged on the inner wall of the circular frame, the slider is rotatably connected to the end of the screw rod, a movable block is threadedly arranged on the screw rod, the top of the movable block contacts the inner top of the circular frame, a channel is opened on the movable block, and a The clamping mechanism is used to clamp the sponge block. The outer wall of the circular frame is connected to an annular frame. An infusion mechanism is arranged on the rotating rod. The infusion mechanism is used to input disinfectant into the annular frame. Springs are connected to the inner wall of the annular frame at intervals. A round ball is connected to the end of the spring. The round ball blocks the round hole on the circular frame. A rubber tube and a push rod are connected to the inner side of the slider. The end of the rubber tube contacts the inner wall of the circular frame. The push rod is located on the inner side of the rubber tube. The push rod is used to push the round ball open. A transmission tube is connected between the slider and the movable block. The transmission tube is used for the disinfectant in the annular frame to flow to the channel in the movable block through the round hole and the rubber tube, so that the disinfectant flows along the channel into the sponge block, and the sponge block wipes the patient's skin.

[0006] In addition, it is particularly preferred that the fixing mechanism includes an arc plate, a torsion spring, an airbag, a micro air pump and an air release valve, the arc plate is symmetrically mounted on the fixed block for rotation, a torsion spring is connected between the arc plate and the fixed block, an airbag is connected between the two arc plates, a micro air pump is mounted on the fixed block, the air outlet of the micro air pump is connected to the airbag, and an air release valve is provided on the arc plate on one side, and the air release valve is connected to the airbag.

[0007] In addition, it is particularly preferred that the rotating mechanism includes a fixed frame, a brushless motor, a magnetic block and a first magnetic plate, the fixed frame is mounted on the circular frame, the brushless motor is mounted on the fixed frame, the magnetic block is connected to the brushless motor, and the first magnetic plate is mounted on the servo motor. The brushless motor is used to drive the magnetic block to rotate, so that the magnetic block drives the first magnetic plate and the servo motor to move through magnetic attraction.

[0008] In addition, it is particularly preferred that the clamping mechanism includes a fixed plate, a rotating plate, a first spring plate and a fixed cone, the fixed plate is installed on one side of the movable block, and a rotating plate is rotatably installed on the side of the movable block away from the fixed plate, the fixed plate and the rotating plate are both used to clamp the sponge block, the first spring plate is connected between the rotating plate and the movable block, and fixed cones are spaced apart on the rotating plate and the fixed plate, and the fixed cones are used to be inserted into the sponge block for fixing.

[0009] In addition, it is particularly preferred that the infusion mechanism includes a micro water pump, a docking tube and a connecting tube, the micro water pump is installed on the rotating rod, the water inlet of the micro water pump is connected to the docking tube, and the water outlet of the micro water pump is connected to the annular frame by a connecting tube.

[0010] In addition, it is particularly preferred that an elastic rope is further included, and the elastic rope is connected between the transmission tube and the slider, and the elastic rope is used to pull the transmission tube.

[0011] In addition, it is particularly preferred that a stop block is further included, and the stop block is symmetrically slidably arranged on the fixed block, and the stop block is used to stop the arc plate for limiting the position.

[0012] In addition, it is particularly preferred that a stabilizing mechanism is also included, which includes a second spring plate, a second magnetic plate and a third magnetic plate, a second spring plate is connected between the fixed block and the rotating rod, a second magnetic plate is installed on the fixed block, and a third magnetic plate is installed on the rotating rod, and the second magnetic plate and the third magnetic plate are used to limit the rotating rod through magnetic attraction.

[0013] Beneficial effects: 1. The present invention performs skin disinfection in an automated manner, which not only significantly improves work efficiency, but also ensures uniform distribution of the disinfectant, thereby improving the quality of disinfection and effectively reducing the risk of infection caused by incomplete disinfection. Compared with traditional cotton ball or cotton swab disinfection methods, the disinfector can more accurately control the amount of disinfectant used, avoiding excessive consumption of disinfection materials and reducing costs.

[0014] 2. The present invention adopts the design of the fixing mechanism so that the disinfector can be stably fixed on limbs of different sizes to meet different clinical needs; in addition, by adjusting the servo motor and the rotating mechanism, the disinfection area and disinfection intensity can be flexibly adjusted to meet personalized disinfection requirements.

[0015] 3. The present invention helps to improve the safety of equipment use and protect patients from possible mechanical injuries through built-in safety mechanisms such as elastic ropes to prevent the transmission tube from sagging, blocks to limit the position of the arc plate, and magnetic limit rotating rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the fixing mechanism of the present invention.

[0018] Figure 3 It is a structural separation diagram of the fixing mechanism of the present invention.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotating mechanism of the present invention.

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the servo motor, lead screw and slider of the present invention.

[0021] Figure 6It is a cross-sectional view of the movable block of the present invention.

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the movable block, the fixed plate and the rotating plate of the present invention.

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the clamping mechanism of the present invention.

[0024] Fig. 9 It is a schematic diagram of the three-dimensional structure of the infusion mechanism of the present invention.

[0025] Fig.10 It is a schematic diagram of the three-dimensional structure of the annular frame, the transmission tube and the elastic rope of the present invention.

[0026] Fig.11 It is a schematic diagram of the three-dimensional structure of the slider, the transmission tube and the elastic rope of the present invention.

[0027] Fig.12 It is a three-dimensional structural schematic diagram of the slider, rubber tube and push rod of the present invention.

[0028] Among them, the above-mentioned drawings include the following drawing marks: 1. fixed block, 201. arc plate, 202. torsion spring, 203. airbag, 204. micro air pump, 205. air release valve, 3. rotating rod, 4. round frame, 5. servo motor, 601. fixed frame, 602. brushless motor, 603. magnetic block, 604. first magnetic plate, 7. screw rod, 8. slider, 9. movable block, 901. channel, 1001. fixed plate, 1002. rotating plate, 1003. first spring piece, 1004. fixed cone, 11. annular frame, 1201. micro water pump, 1202. docking tube, 1203. connecting tube, 13. spring, 14. round ball, 15. rubber tube, 16. push rod, 17. transmission tube, 18. elastic rope, 19. block, 20. second spring piece, 21. second magnetic plate, 22. third magnetic plate. DETAILED DESCRIPTION

[0029] Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0030] Embodiment: A skin sterilizer for infusion, see Figure 1-Figure 12As shown, it includes a fixed block 1; it also includes a fixing mechanism, a rotating rod 3, a round frame 4, a servo motor 5, a rotating mechanism, a screw rod 7, a slider 8, a movable block 9, a clamping mechanism, a ring frame 11, an infusion mechanism, a spring 13, a round ball 14, a rubber tube 15, a push rod 16 and a transmission tube 17; a fixing mechanism is arranged on the fixed block 1, and the fixing mechanism is used to fix the fixed block 1 on the patient's limb so as to automatically disinfect the patient's limb later; a rotating rod 3 is rotatably arranged on the upper side of the fixed block 1; a round frame 4 is connected to the right side of the rotating rod 3, and round holes are arranged at intervals on the lower side of the outer wall of the round frame 4, and the round holes are distributed in a ring-shaped interval; a servo motor 5 is slidably arranged on the inner wall of the round frame 4 ; A rotating mechanism is provided on the circular frame 4, and the rotating mechanism is used to drive the servo motor 5 to rotate on the inner wall of the circular frame 4; a screw rod 7 is connected to the output shaft of the servo motor 5; a slider 8 is also slidably provided on the inner wall of the circular frame 4, and the slider 8 is rotatably connected to the end of the screw rod 7; a movable block 9 is threadedly provided on the screw rod 7, and the top of the movable block 9 contacts the top of the circular frame 4, so that the movable block 9 is limited by the top of the circular frame 4. When the screw rod 7 rotates, the screw rod 7 can drive the movable block 9 to move, and two channels 901 are opened in the movable block 9; a clamping mechanism is provided on the movable block 9, and the clamping mechanism is used to clamp the sponge block; a ring is connected to the lower side of the outer wall of the circular frame 4 The rotating rod 3 is provided with an infusion mechanism, which is used to input the disinfectant into the annular frame 11 so that the disinfectant is stored in the annular frame 11; the inner wall of the annular frame 11 is connected with springs 13 at intervals, the number of springs 13 is consistent with the number of round holes, and the position of the springs 13 is aligned with the round holes; the end of the spring 13 is connected with a ball 14, and the ball 14 blocks the round hole on the circular frame 4 to prevent the disinfectant in the annular frame 11 from leaking out; the inner side of the slider 8 is connected with two rubber tubes 15, and the ends of the two rubber tubes 15 are in contact with the inner wall of the circular frame 4; the inner side of the slider 8 is also connected with two push rods 16, and the two push rods 16 are respectively located inside the two rubber tubes 15 On the side, the push rod 16 is used to push the ball 14 open, so that the disinfectant in the annular frame 11 flows into the rubber tube 15; two transmission tubes 17 are connected between the slider 8 and the movable block 9, and the transmission tube 17 is a hose. The two transmission tubes 17 are respectively connected to the two channels 901 on the movable block 9, and the two transmission tubes 17 are respectively connected to the two rubber tubes 15 on the slider 8. The transmission tube 17 is used to transport the disinfectant in the rubber tube 15 to the channel 901 in the movable block 9, so that the disinfectant flows into the sponge block along the channel 901, so that when the sponge block wipes the patient's skin, the disinfectant can be applied to the patient's skin, thereby disinfecting the patient's skin.

[0031] See also Figure 1-Figure 3As shown, the fixing mechanism includes an arc plate 201, a torsion spring 202, an air bag 203, a micro air pump 204 and a deflation valve 205; the fixing block 1 is symmetrically rotated with the arc plate 201; a torsion spring 202 is connected between the arc plate 201 and the fixing block 1; two air bags 203 are connected between the two arc plates 201, the two air bags 203 are distributed left and right and are connected, the two air bags 203 are annular, and there is a partition in the middle of the lower side of the two air bags 203. When the two arc plates 201 are rotated and unfolded, the air bags 203 will also unfold with the arc plates 201; a micro air pump 204 is installed on the left side of the fixing block 1, and the air outlet of the micro air pump 204 is connected to the air bag 203 on the left; a deflation valve 205 is arranged on the front arc plate 201, and the deflation valve 205 is connected to the air bag 203 on the left.

[0032] See also Figure 4 and Figure 5 As shown, the rotating mechanism includes a fixed frame 601, a brushless motor 602, a magnetic block 603 and a first magnetic plate 604; the fixed frame 601 is installed on the top of the round frame 4; the brushless motor 602 is installed in the middle of the fixed frame 601; the magnetic block 603 is connected to the brushless motor 602; the first magnetic plate 604 is installed on the top of the servo motor 5, and when the brushless motor 602 drives the magnetic block 603 to rotate, the magnetic block 603 will drive the first magnetic plate 604 and the servo motor 5 to move through magnetic attraction.

[0033] See also Figure 7 and Figure 8 As shown, the clamping mechanism includes a fixed plate 1001, a rotating plate 1002, a first spring piece 1003 and a fixed cone 1004; the fixed plate 1001 is installed on the front side of the movable block 9; the rotating plate 1002 is rotatably installed on the rear side of the movable block 9, and the fixed plate 1001 and the rotating plate 1002 are both used to clamp the sponge block; the first spring piece 1003 is connected between the rear side of the rotating plate 1002 and the rear side of the movable block 9; the fixing cone 1004 is arranged at intervals on the side of the rotating plate 1002 facing the fixed plate 1001, and the fixing cone 1004 is also arranged at intervals on the side of the fixed plate 1001 facing the rotating plate 1002, and the fixing cone 1004 is used to be inserted into the sponge block for fixing.

[0034] See also Fig. 9 As shown, the infusion mechanism includes a micro water pump 1201, a docking tube 1202 and a connecting tube 1203; the micro water pump 1201 is installed on the top of the rotating rod 3; the water inlet of the micro water pump 1201 is connected with the docking tube 1202, and the docking tube 1202 is a hose, and the water outlet of the micro water pump 1201 is connected with the annular frame 11 by a connecting tube 1203, and the connecting tube 1203 runs through the rotating rod 3.

[0035] In the initial state, the rotating rod 3 is in a vertical state and is located on the fixed block 1;

[0036] When in use, first pull the rotating plate 1002 to rotate and unfold, the first spring piece 1003 is deformed, and then the sponge block is placed between the fixed plate 1001 and the rotating plate 1002, and the sponge block is close to the movable block 9, and then the rotating plate 1002 is slowly released, the first spring piece 1003 returns to its original state, and the first spring piece 1003 drives the rotating plate 1002 to reverse and reset, so that the rotating plate 1002 and the fixed plate 1001 clamp the sponge block, and the fixing cones 1004 on the rotating plate 1002 and the fixed plate 1001 are inserted into the sponge block to fix the sponge block, and then press the arc plate 201 to rotate and unfold, the torsion spring 202 is deformed, so that the arc plate 201 drives the airbag 203 to unfold, and then the fixed block 1 is placed on the patient's limb, and the patient's limb The arc plate 201 is between the two arc plates 201, and then the arc plate 201 is loosened, the torsion spring 202 returns to its original state, and the torsion spring 202 drives the arc plate 201 to reverse and retract, so that the arc plate 201 drives the air bag 203 to retract, and then the air is filled into the air bag 203 through the micro air pump 204 to expand the air bag 203 until the air bag 203 is close to the patient's limb, so as to stabilize the fixing block 1 on the patient's limb, and then the rotating rod 3 is pushed to rotate, so that the rotating rod 3 drives the circular frame 4 to rotate until the sponge block under the circular frame 4 contacts the position where the patient needs to apply disinfectant, and then the connecting pipe 1202 is inserted into the container filled with disinfectant, and then the disinfectant in the container is pumped into the connecting pipe 1203 and the annular frame 11 through the micro water pump 1201, so that the disinfectant is in the annular frame 11, and then the brushless motor 602 drives the magnetic block 603 to rotate, so that the magnetic block 603 uses magnetic force to drive the first magnetic plate 604 to rotate, thereby driving the servo motor 5, the screw rod 7, the slider 8, the rubber tube 15, the push rod 16, the movable block 9 and the sponge block to rotate. When the rubber tube 15 contacts the ball 14, the ball 14 squeezes the rubber tube 15 to deform. When the rubber tube 15 is separated from the ball 14, the rubber tube 15 automatically returns to its original state. When the push rod 16 contacts the ball 14, the push rod 16 pushes the ball 14 away, and the spring 13 is compressed, so that the ball 14 no longer blocks the round hole on the round frame 4, so that the disinfectant in the annular frame 11 flows into the rubber tube 15, and then the disinfectant in the rubber tube 15 passes through the transmission tube 17 flows into the channel 901 in the movable block 9, so that the disinfectant in the channel 901 flows into the sponge block, so that the disinfectant adheres to the sponge block, and then as the sponge block rotates, the sponge block can apply the disinfectant on the patient's skin, thereby automatically applying the disinfectant on the patient's skin. When the push rod 16 is separated from the ball 14, the spring 13 returns to its original state, and the spring 13 drives the ball 14 to reset, so that the ball 14 blocks the round hole on the round frame 4 again. Then, through the contact between the push rod 16 and the ball 14 again, the disinfectant in the annular frame 11 can intermittently flow into the sponge block, thereby automatically replenishing the disinfectant on the sponge block. During the period when the sponge block applies the disinfectant on the patient's skin, the screw rod 7 can be driven to rotate by the servo motor 5.The screw rod 7 drives the movable block 9 to slowly move toward the side close to the slider 8, so that the movable block 9 drives the fixed plate 1001, the rotating plate 1002 and the sponge block to slowly move, thereby gradually increasing the application area of ​​the sponge block until the sponge block has completed the application of the position that needs to be disinfected on the patient's limb. After the position that needs to be disinfected on the patient's limb is disinfected, the connecting tube 1203 is taken out from the container containing the disinfectant, and then the brushless motor 602 drives the magnetic block 603 to stop rotating, so that the first magnetic plate 604, the servo motor 5, the screw rod 7, the slider 8, the rubber tube 15, the push rod 16, the movable block 9 and the sponge block stop rotating, and the servo motor 5 drives the screw rod 7 to reverse and reset, so that the screw rod 7 drives the movable block 9 to move and reset to the side away from the slider 8, so that the movable block 9 drives the fixed plate 1001, the rotating plate 1002 and the sponge block to move and reset, and then pulls the rotating rod 3 to reverse and reset. The rod 3 drives the round frame 4 to reverse and reset, so that the sponge block under the round frame 4 is separated from the position where the patient needs to apply disinfectant, and then the air in the airbag 203 is discharged through the air release valve 205, so that the airbag 203 gradually shrinks, and then the arc plate 201 is pressed again to rotate and unfold, and the torsion spring 202 is deformed, so that the arc plate 201 drives the airbag 203 to unfold, and then the fixing block 1 is removed from the patient's limb, and then the arc plate 201 is released, and the torsion spring 202 returns to its original position. The torsion spring 202 drives the arc plate 201 to reverse and retract, so that the arc plate 201 drives the airbag 203 to retract, and then the rotating plate 1002 is pulled again to rotate and unfold, and the first spring piece 1003 is deformed, so that the rotating plate 1002 releases the sponge block, and then the sponge block is removed from between the fixed plate 1001 and the rotating plate 1002, and then the rotating plate 1002 is released, and the first spring piece 1003 returns to its original state, and the first spring piece 1003 drives the rotating plate 1002 to reverse and reset.

[0037] See also Fig.10 and Fig.11 As shown, an elastic rope 18 is also included; two elastic ropes 18 are connected between the top of the two transmission tubes 17 and the left side of the slider 8, and the elastic ropes 18 are used to pull the transmission tubes 17 to prevent the transmission tubes 17 from contacting the patient's skin after sagging.

[0038] In the initial state, since the two ends of the transmission tube 17 are pulled by the movable block 9 and the slider 8 respectively, the transmission tube 17 is in a straightened state and pulls the elastic rope 18 to be in a deformed state;

[0039] By setting the elastic rope 18, when the movable block 9 moves toward the side close to the slider 8, the transmission tube 17 between the movable block 9 and the slider 8 will gradually loosen, and the elastic rope 18 will gradually reset at this time. The elastic rope 18 will pull the transmission tube 17 that is hanging down, thereby preventing the loose transmission tube 17 from hanging down and contacting the patient's skin, thereby avoiding the transmission tube 17 from causing skin infection to the patient; when the movable block 9 moves to the side away from the slider 8 and resets, the transmission tube 17 between the movable block 9 and the slider 8 will gradually straighten, and at this time the transmission tube 17 will gradually pull the elastic rope 18 to deform.

[0040] See also Figure 2 and Figure 3 As shown, a stopper 19 is also included; the fixed block 1 is symmetrically slidably provided with the stopper 19, and the stopper 19 is used to stop the arc plate 201 for limiting.

[0041] By setting the stop block 19, when the patient's limb is between the two arc plates 201 and the arc plates 201 are reversed and retracted, the stop block 19 can be pushed to move between the arc plates 201 and the fixed block 1, so that the stop block 19 is used to stop the arc plates 201 for limiting the position, thereby preventing the arc plates 201 from rotating and unfolding due to collision with external objects; when it is necessary to press the arc plates 201 to rotate and unfold subsequently, the stop block 19 is first pushed to move and reset, so that the stop block 19 leaves from between the arc plates 201 and the fixed block 1, thereby making the stop block 19 release the arc plates 201, and then the arc plates 201 can be pressed to rotate and unfold.

[0042] See also Fig. 9 As shown, a stabilizing mechanism is also included, which includes a second spring plate 20, a second magnetic plate 21 and a third magnetic plate 22; a second spring plate 20 is connected between the top of the fixed block 1 and the top of the rotating rod 3; a second magnetic plate 21 is installed on the fixed block 1, and a third magnetic plate 22 is installed on the left side of the top of the rotating rod 3. The second magnetic plate 21 and the third magnetic plate 22 are used to limit the rotating rod 3 through magnetic attraction.

[0043] In the initial state, the second magnetic plate 21 is in contact with the third magnetic plate 22, and the rotating rod 3 squeezes the second elastic sheet 20 to deform under the magnetic attraction between the second magnetic plate 21 and the third magnetic plate 22;

[0044] When the rotating rod 3 is pushed to rotate, the rotating rod 3 will drive the third magnetic plate 22 to rotate, so that the third magnetic plate 22 is separated from the second magnetic plate 21, and the elastic force of the deformation of the second elastic sheet 20 will gradually decrease; when the sponge block contacts the patient's skin, the elastic force of the second elastic sheet 20 can be used to make the second elastic sheet 20 apply pressure to the rotating rod 3, the round frame 4, the movable block 9 and the sponge block, so that the sponge block is close to the patient's skin, thereby preventing the sponge block from having insufficient contact with the patient's skin; when the rotating rod 3 is pulled to reverse and reset, the rotating rod 3 will drive the third magnetic plate 22 to reverse and reset, so that the third magnetic plate 22 contacts the second magnetic plate 21, and the elastic force of the deformation of the second elastic sheet 20 will gradually increase. By utilizing the magnetic attraction between the third magnetic plate 22 and the second magnetic plate 21, the rotating rod 3 can be limited, thereby improving the stability of the rotating rod 3.

[0045] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.

Claims

1. A skin sterilizer for infusion, comprising a fixing block, characterized in that: The fixing block is provided with a fixing mechanism, and the fixing mechanism is used to fix the fixing block on the patient's limb. A rotating rod is rotatably provided on the fixing block, and a circular frame is connected to the rotating rod. Circular holes are arranged at intervals on the outer wall of the circular frame, and a servo motor is slidably provided on the inner wall of the circular frame. A rotating mechanism is provided on the circular frame, and the rotating mechanism is used to drive the servo motor to rotate on the inner wall of the circular frame. A screw rod is connected to the output shaft of the servo motor, and a slider is also slidably provided on the inner wall of the circular frame. The slider is rotatably connected to the end of the screw rod, and a movable block is threadedly provided on the screw rod, and the top of the movable block contacts the inner top of the circular frame. A channel is provided on the movable block, and a clamping mechanism is provided on the movable block. The clamping mechanism is used to The sponge block is clamped, and an annular frame is connected to the outer wall of the circular frame. An infusion mechanism is arranged on the rotating rod, and the infusion mechanism is used to input disinfectant into the annular frame. Springs are connected to the inner wall of the annular frame at intervals, and a round ball is connected to the end of the spring. The round hole on the circular frame is blocked by the round ball. A rubber tube and a push rod are connected to the inner side of the slider, and the end of the rubber tube contacts the inner wall of the circular frame. The push rod is located on the inner side of the rubber tube, and the push rod is used to push the round ball open. A transmission tube is connected between the slider and the movable block. The transmission tube is used for the disinfectant in the annular frame to flow through the round hole and the rubber tube to the channel in the movable block, so that the disinfectant flows along the channel into the sponge block, and the sponge block wipes the patient's skin.

2. A skin sterilizer for infusion according to claim 1, characterized in that: The fixing mechanism includes an arc plate, a torsion spring, an air bag, a micro air pump and an air release valve. The arc plate is symmetrically mounted on the fixing block for rotation. A torsion spring is connected between the arc plate and the fixing block. An air bag is connected between the two arc plates. A micro air pump is mounted on the fixing block. The air outlet of the micro air pump is connected to the air bag. A air release valve is arranged on one side of the arc plate, and the air release valve is connected to the air bag.

3. A skin sterilizer for infusion according to claim 2, characterized in that: The rotating mechanism includes a fixed frame, a brushless motor, a magnetic block and a first magnetic plate. The fixed frame is installed on the circular frame, the brushless motor is installed on the fixed frame, the magnetic block is connected to the brushless motor, and the first magnetic plate is installed on the servo motor. The brushless motor is used to drive the magnetic block to rotate, so that the magnetic block drives the first magnetic plate and the servo motor to move through magnetic attraction.

4. A skin sterilizer for infusion according to claim 3, characterized in that: The clamping mechanism includes a fixed plate, a rotating plate, a first spring piece and a fixed cone. The fixed plate is installed on one side of the movable block, and a rotating plate is rotatably installed on the side of the movable block away from the fixed plate. The fixed plate and the rotating plate are both used to clamp the sponge block. The first spring piece is connected between the rotating plate and the movable block. Fixed cones are arranged at intervals on the rotating plate and the fixed plate, and the fixed cones are used to be inserted into the sponge block for fixing.

5. A skin sterilizer for infusion according to claim 4, characterized in that: The infusion mechanism comprises a micro water pump, a butt joint and a connecting pipe. The micro water pump is installed on the rotating rod. The water inlet of the micro water pump is connected with the butt joint. The water outlet of the micro water pump is connected with the annular frame via a connecting pipe.

6. A skin sterilizer for infusion according to claim 5, characterized in that: It also includes an elastic rope, which is connected between the transmission tube and the slider and is used to pull the transmission tube.

7. A skin sterilizer for infusion according to claim 6, characterized in that: It also includes a stop block, which is symmetrically and slidably arranged on the fixed block, and the stop block is used to stop the arc plate for limiting the position.

8. A skin sterilizer for infusion according to claim 7, characterized in that: It also includes a stabilizing mechanism, which includes a second spring plate, a second magnetic plate and a third magnetic plate. The second spring plate is connected between the fixed block and the rotating rod, the second magnetic plate is installed on the fixed block, and the third magnetic plate is installed on the rotating rod. The second magnetic plate and the third magnetic plate are used to limit the rotating rod through magnetic attraction.

Images