CN111991644A - Automatic transfusion bottle replacing medical instrument for transfusion without nurse - Google Patents

Abstract

The invention relates to a transfusion medical instrument capable of automatically replacing a transfusion bottle without a nurse during transfusion, which comprises a bottle replacing machine, wherein a sliding cavity is arranged in the bottle replacing machine, a pulling-out mechanism for pulling out a transfusion needle is arranged in the sliding cavity, the pulling-out mechanism comprises a sliding box capable of sliding in the sliding cavity, a first motor is arranged at the lower side in the sliding box, and the first motor is fixed in the lower inner wall of the sliding box. Medical accidents which may occur because a nurse is careless or busy and the patient is unattended can be effectively avoided.

Description

Automatic transfusion bottle replacing medical instrument for transfusion without nurse

Technical Field

The invention relates to the field of medical robots, in particular to a medical instrument for automatically replacing a transfusion bottle without a nurse during transfusion.

Background

In case of illness, serious transfusion is needed, which causes several problems needing attention, wherein one of the important matters is that when one bottle is quickly transfused and another bottle is needed, if a nurse does not change the medicine timely because of carelessness or too busy work, the pressure in the dropping bottle is smaller than the pressure in the body after the medicine is not dropped, which causes blood backflow, and in addition, the problem that a small amount of air enters the body is not serious, and if a large amount of air enters the body, the human body has acute reaction, such as heartbeat pause, which is very serious.

The invention particularly aims to solve the problem and designs a medical appliance for automatically replacing transfusion bottles without nurses during transfusion, which solves the problem of bottle replacement in hospitals and reduces the occurrence of medical accidents.

Disclosure of Invention

The invention aims to solve the technical problem of providing a medical appliance for automatically replacing a transfusion bottle without a nurse during transfusion, solve the problem of possible medical accidents and reduce the occurrence of the medical accidents.

The invention is realized by the following technical scheme.

The invention relates to a transfusion medical instrument capable of automatically replacing transfusion bottles without nurses during intravenous drip, which comprises a bottle replacing machine, wherein a sliding cavity is arranged in the bottle replacing machine, a pulling-out mechanism for pulling out transfusion needles is arranged in the sliding cavity, the pulling-out mechanism comprises a sliding box capable of sliding in the sliding cavity, a first motor is arranged at the lower side in the sliding box, the first motor is fixed in the lower inner wall of the sliding box, a first motor shaft is connected to the first motor in a power mode, a motor shaft gear is fixed on the first motor shaft, a first rotating shaft is arranged close to the left side of the first motor shaft, the first rotating shaft is rotatably connected to the upper inner wall and the lower inner wall of the sliding box, a first rotating shaft gear and an engaging gear are fixed on the first rotating shaft, the first rotating shaft gear is engaged with the motor shaft gear, a rotating shaft is arranged close to the left side of the first rotating shaft, and a sleeve capable, the upper side of the sleeve is provided with a clamping pipe, the clamping pipe is fixed at the upper end of the sleeve, a clamping pipe groove is arranged in the clamping pipe, a clamping pipe fixing block is fixed at the upper end of the clamping pipe, a clamping pipe shaft is fixed at the upper end of the clamping pipe, the clamping pipe shaft is rotatably connected on the clamping pipe, a clamping pipe rotating block is fixed on the clamping pipe shaft, the clamping pipe rotating block can clamp an infusion tube and can coincide with the clamping pipe fixing block, a sleeve gear is fixed on the sleeve, the sleeve gear can be meshed with the meshing gear, an upper fixing pin plate and a lower fixing pin plate are fixed on the sleeve, a fixing rod is arranged on the left side of the rotating shaft, a rotating shaft is arranged on the upper side of the fixing rod, the rear end of the rotating shaft is rotatably connected on the rear inner wall of the sliding box, a fixing wheel is fixed on the, a fixing pin penetrating through the sleeve and the rotating shaft is arranged on the right side close to the rotating shaft, the fixing pin is connected with the rotating shaft through a fixing plate, the fixed plate is arranged between the fixed pin plates, a first transfusion bottle cavity is arranged at the upper side of the sliding cavity, a switch capable of starting a first motor is fixed on the upper inner wall in the first transfusion bottle cavity, the lower side in the first transfusion bottle cavity is provided with a left pressing block and a right pressing block which can be extruded by a transfusion bottle, the lower ends of the two pressing blocks are fixed with pressing block springs of which the lower ends are fixedly connected with the lower inner wall of the first transfusion bottle cavity, a bottle changing cavity with a left opening is arranged on the right side in the bottle changing machine, an inserting mechanism for changing bottles is arranged in the bottle changing cavity, the bottle changing machine is internally provided with a second infusion bottle cavity, a closing mechanism for closing the infusion apparatus is arranged in the second infusion bottle cavity, and an auxiliary inserting mechanism is arranged on the lower side in the bottle changing machine.

Further, the inserting mechanism comprises a second motor fixed on the lower end wall in the bottle changing cavity, a second motor shaft is connected to the second motor in a power mode, a motor shaft rope pulley and a first belt pulley are fixed on the second motor shaft, a second rotating shaft is arranged on the left side of the second motor shaft and is rotatably connected to the upper wall and the lower wall of the bottle changing cavity, a second rotating shaft gear and a second belt pulley are fixed on the second rotating shaft, the second belt pulley and the first belt pulley are in belt transmission, a rotating shaft gear groove is formed in the second rotating shaft gear, a rotating shaft gear groove block is arranged in the rotating shaft gear groove, a rotating shaft gear spring with the lower end fixedly connected with the second belt pulley is fixed at the lower end of the second rotating shaft gear, a moving block groove is formed in the lower side of the sliding cavity, and a moving block is connected to the moving block groove in a sliding mode, the upper end of the moving block is fixedly connected with the rotating shaft, a groove is formed in the moving block, a moving block spring is fixed at the right end of the moving block and fixedly connected with a nickel coin in the moving block groove, a motor shaft rope pulley pull rope is fixed at the right end of the moving block, the other end of the motor shaft rope pulley pull rope is wound on the motor shaft rope pulley, a limiting block groove with an upward opening is formed in the lower side of the moving block groove, a limiting block is connected in the limiting block groove in a sliding mode, a limiting block spring is fixed at the lower end of the limiting block and fixedly connected with the inner wall of the limiting block groove, and a limiting block pull.

Further, the closing mechanism comprises four fixed blocks fixed at the left side and the right side in the inner wall of the second transfusion bottle cavity, the two fixed blocks are connected with each other through fixed block springs, a first rotating shaft of the fixed blocks is arranged on the two fixed blocks, the first rotating shaft is rotatably connected with the fixed blocks, a rotating rod is fixed on the first rotating shaft, the two rotating rods are connected with each other through rotating rod pins, a fixed block plate is fixed at the upper end of the fixed block at the upper side, one end of the fixed block plate, far away from the fixed blocks, is pressed at the upper end of the transfusion bottle, a left spring block and a right spring block which can be extruded by the transfusion bottle are arranged at the lower side in the second transfusion bottle cavity, a spring block spring of which the lower end is fixedly connected with the inner wall under the second transfusion bottle cavity is fixed at the lower end of the spring block, a sliding groove, a sliding block spring with the upper end fixedly connected with the inner wall of the sliding groove is fixed at the upper end of the sliding block, a sliding block groove is arranged at the left side of the sliding groove, a sliding block is connected in the sliding block groove in a sliding manner, a first sliding block spring with the right end fixedly connected with the inner wall of the sliding block groove is fixed at the right end of the sliding block, a groove is arranged in the sliding block, a first limiting groove with an upward opening is arranged at the lower side of the sliding block groove, a limiting moving block is connected in the first limiting groove in a sliding manner and can be inserted into the groove of the sliding block, a first limiting block spring with the lower end fixedly connected with the inner wall of the first limiting groove is fixed at the lower end of the limiting moving block, a sliding block pull rope with the other end fixedly connected with the upper end of the sliding block is fixed at the lower end of, the lower side in the bottle changing machine is provided with an infusion block groove, an infusion block is connected in the infusion block groove in a sliding mode, an infusion block groove is formed in the infusion block, an infusion device is arranged outside the bottle changing machine, an infusion device groove is formed in the infusion device, an infusion device block is connected in the infusion device groove in a sliding mode, the lower end of the infusion device block is fixed with the other end of an infusion device wheel pull rope fixedly connected with the right end of the sliding block, and the infusion device block can be inserted into the infusion block groove.

Furthermore, the auxiliary mechanism comprises an extrusion block groove with a left opening at the lower side in the bottle changing machine, an extrusion block is connected in the extrusion block groove in a sliding mode, an extrusion block spring is fixed at the right end of the extrusion block and fixedly connected with the inner wall of the extrusion block groove, and a rotating shaft gear groove block pull rope is fixed at the right end of the extrusion block and fixedly connected with the lower end of the rotating shaft gear groove block.

Furthermore, the weight of the full liquid medicine transfusion bottle is greater than the elastic force of the two pressing block springs, and the weight of the full liquid medicine transfusion bottle, the elastic force of the two fixing block springs and the elastic force of the two spring block springs are greater.

The invention has the beneficial effects that: this equipment structure is simple, easy to carry out, can be automatic to the transfusion bottle that has lost infusion soon according to extracting the mechanism, extract the burette needle of inserting in advance, can insert the second bottle transfusion bottle that will infuse again to the burette needle of extracting automatically according to insertion mechanism, can close the transfusion system when the second bottle transfusion bottle also will finish soon according to closing mechanism, thereby guarantee patient's safety, when bottle machine that changes resets, only need stimulate the stay cord can, on the other hand also can accomplish unmanned when the infusion finishes and take care of, can effectively avoid probably because nurse carelessness or busy and lead to the medical malpractice that patient unmanned guard and take place.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is a front view enlarged schematic diagram of the structure at B in FIG. 1 according to the embodiment of the present invention;

FIG. 4 is a front view enlarged schematic diagram of the structure at C in FIG. 1 according to the embodiment of the present invention;

fig. 5 is a cross-sectional view taken at D-D in fig. 4 in accordance with an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-5, the automatic transfusion bottle changing medical apparatus for intravenous drip nurse-less transfusion comprises a bottle changing machine 10, a sliding cavity 76 is arranged in the bottle changing machine 10, a pulling mechanism 77 for pulling out an infusion needle is arranged in the sliding cavity 76, the pulling mechanism 77 comprises a sliding box 78 capable of sliding in the sliding cavity 76, a first motor 49 is arranged at the lower side in the sliding box 78, the first motor 49 is fixed in the lower inner wall of the sliding box 78, a first motor shaft 48 is connected to the first motor 49 in a power manner, a motor shaft gear 80 is fixed on the first motor shaft 48, a first rotating shaft 47 is arranged at the left side close to the first motor shaft 48, the first rotating shaft 47 is rotatably connected to the upper and lower inner walls of the sliding box 78, a first rotating shaft gear 79 and a meshing gear 42 are fixed on the first rotating shaft 47, the first rotating shaft gear 79 is meshed with the motor shaft gear 80, a rotating shaft 46 is arranged on the left side close to the first rotating shaft 47, a rotatable lifting sleeve 40 is fixed on the rotating shaft 46, a clamping pipe 38 is arranged on the upper side of the sleeve 40, the clamping pipe 38 is fixed at the upper end of the sleeve 40, a clamping pipe groove 39 is arranged in the clamping pipe 38, a clamping pipe fixing block 37 is fixed at the upper end of the clamping pipe 38, a clamping pipe shaft 64 is fixed at the upper end of the clamping pipe 38, the clamping pipe shaft 64 is rotatably connected to the clamping pipe 38, a clamping pipe rotating block 65 is fixed on the clamping pipe shaft 64, the clamping pipe rotating block 65 can clamp an infusion tube and can coincide with the clamping pipe fixing block 37, a sleeve gear 41 is fixed on the sleeve 40, the sleeve gear 41 can be meshed with the meshing gear 42, a first infusion bottle hanging cavity 84 is arranged on the upper side of the sliding cavity 76, a switch 36 capable of starting the first motor 49 is fixed on the inner upper inner wall of the first infusion bottle hanging cavity 84, the infusion bottle replacing device is characterized in that left and right pressing blocks 88 capable of being extruded by infusion bottles are arranged on the lower side in the first infusion bottle cavity 84, the lower ends of the two pressing blocks 88 are fixedly provided with pressing block springs 89, the lower ends of the pressing blocks are fixedly connected with the lower inner wall of the first infusion bottle cavity 84, a bottle replacing cavity 82 with a left opening is arranged on the right side in the bottle replacing machine 10, an inserting mechanism 81 for replacing bottles is arranged in the bottle replacing cavity 82, a second infusion bottle cavity 83 is arranged in the bottle replacing machine 10, a closing mechanism 85 for closing an infusion apparatus is arranged in the second infusion bottle cavity 83, and an auxiliary inserting auxiliary mechanism 86 is arranged on the lower side in the bottle replacing machine 10.

Advantageously, the inserting mechanism 81 comprises a second motor 11 fixed on the lower end wall in the bottle changing cavity 82, a second motor shaft 15 is dynamically connected to the second motor 11, a motor shaft rope pulley 12 and a first belt pulley 14 are fixed on the second motor shaft 15, a second rotating shaft 87 is arranged on the left side of the second motor shaft 15, the second rotating shaft 87 is rotatably connected on the upper and lower walls of the bottle changing cavity 82, a second rotating shaft gear 19 and a second belt pulley 17 are fixed on the second rotating shaft 87, the second belt pulley 17 is driven by a belt 16 and the first belt pulley 14, a rotating shaft gear groove 20 is arranged in the second rotating shaft gear 19, a rotating shaft gear groove block 21 is arranged in the rotating shaft gear groove 20, a rotating shaft gear spring 18 with a lower end fixedly connected with the second belt pulley 17 is fixed on the lower end of the second rotating shaft gear 19, a moving block groove 53 is formed in the lower side of the sliding cavity 76, a moving block 75 is connected in the moving block groove 53 in a sliding manner, the upper end of the moving block 75 is fixedly connected with the rotating shaft 46, a groove is formed in the moving block 75, a moving block spring 74 is fixed at the right end of the moving block 75, the right end of the moving block is fixedly connected with a nickel coin in the moving block groove 53, a motor shaft rope pulley pull rope 13 is fixed at the right end of the moving block 75, the other end of the motor shaft rope pulley pull rope 13 is wound on the motor shaft rope pulley 12, a limiting block groove 52 with an upward opening is formed in the lower side of the moving block groove 53, a limiting block 50 is connected in the limiting block groove 52 in a sliding manner, a limiting block spring 51 is fixed at the lower end of the limiting.

Beneficially, the closing mechanism 85 includes four fixed blocks 69 fixed on the left and right sides in the inner wall of the second hanging bottle cavity 83, the two fixed blocks 69 on the upper and lower sides are connected by a fixed block spring 70, a first fixed block rotating shaft 68 is provided on the two fixed blocks, the first rotating shaft 68 is rotatably connected to the fixed blocks 69, a rotating rod 67 is fixed to the first rotating shaft 68, the two rotating rods 67 are connected by a rotating rod pin 66, a fixed block plate 71 is fixed to the upper end of the fixed block 69 on the upper side, one end of the fixed block plate 71 away from the fixed block 69 is pressed to the upper end of the hanging bottle, two left and right spring blocks 23 capable of being extruded by the hanging bottle are provided on the lower side in the second hanging bottle cavity 83, a spring block spring 22 with a lower end fixedly connected to the lower inner wall of the second hanging bottle cavity 83 is fixed to the lower end of the spring block 23, a sliding groove 26 is provided, a sliding block 25 is connected in the sliding groove 26 in a sliding manner, a sliding block spring 27 with the upper end fixedly connected with the inner wall of the sliding groove 26 is fixed at the upper end of the sliding block 25, a sliding block groove 30 is arranged at the left side of the sliding groove 26, a sliding block 31 is connected in the sliding block groove 30 in a sliding manner, a first sliding block spring 29 with the right end fixedly connected with the inner wall of the sliding block groove 30 is fixed at the right end of the sliding block 31, a groove is formed in the sliding block 31, a first limiting groove 35 with an upward opening is arranged at the lower side of the sliding block groove 30, a limiting moving block 32 is connected in the first limiting groove 35 in a sliding manner, the limiting moving block 32 can be inserted into the groove of the sliding block 31, a first limiting block spring 33 with the lower end fixedly connected with the inner wall of the first limiting groove 35 is fixed at the lower end of the limiting moving block 32, a, the inner wall internal fixation has the pole 24 that hangs that can hang the transfusion bottle on the second transfusion bottle chamber 83, the downside is equipped with infusion block groove 72 in the bottle changing machine 10, sliding connection has infusion block 90 in infusion block groove 72, be equipped with infusion block recess 91 in the infusion block 90, the bottle changing machine 10 is equipped with transfusion system 60 outward, be equipped with infusion tank 92 in the transfusion system 60, sliding connection has transfusion system piece 73 in infusion tank 92, transfusion system piece 73 lower extreme be fixed with the other end with slider 31 right-hand member fixed connection's transfusion system wheel stay cord 28, transfusion system piece 73 can insert in the infusion block recess 91.

Advantageously, the auxiliary mechanism 86 includes a pressing block groove 57 located at the left of the lower opening in the bottle changing machine 10, a pressing block 55 is slidably connected in the pressing block groove 57, a pressing block spring 58 is fixed at the right end of the pressing block 55, the right end of the pressing block spring is fixedly connected with the inner wall of the pressing block groove 57, and a rotating shaft gear groove block pull rope 56 is fixed at the right end of the pressing block 55, the other end of the rotating shaft gear groove block pull rope is fixedly connected with the lower end of the rotating shaft gear groove block 21.

Advantageously, the full dropper has a weight greater than the two pressing block springs 89, and the weight of the full dropper is equal to the two fixing block springs 70 and greater than the two spring block springs 22.

In the initial state, the infusion bottle is filled with liquid medicine, and the pressing block spring 89 and the spring block spring 22 are pressed by the infusion bottle.

1. The nurse pulls the clamping tube rotating block 65 open, the dropper passes through the clamping tube slot 39, the clamping tube rotating block 65 is screwed on to clamp the dropper, a first infusion bottle to be infused is placed in the first infusion bottle cavity 84, a second infusion bottle to be infused is placed in the second infusion bottle cavity 83, and the first infusion bottle and the second infusion bottle are respectively hung on the hanging rod 24; 2. when the patient has finished delivering the first bottle of liquid medicine, the bottle in the first bottle cavity 84 cannot bear the elastic force of the pressing block spring 89, so that the bottle presses the opening switch 36 upwards, the first motor 49 is started, the first motor shaft 48 rotates with the motor shaft gear 80, the first rotating shaft gear 79 is driven to rotate, the first rotating shaft 47 and the meshing gear 42 are driven to rotate, the sleeve gear 41 is driven to rotate, the sleeve 40 is driven to move downwards to extract the needle inserted in the bottle, the exposed part of the rotating shaft 46 is shortened, and the first motor 49 stops working.

3. Meanwhile, the second motor 11 is turned on, the second motor shaft 15 rotates, so that the first belt pulley 14 and the motor shaft sheave 12 rotate, the first belt pulley 14 rotates to drive the second belt pulley 17 to rotate, so that the second rotating shaft 87 rotates, the motor shaft sheave 12 rotates to wind up the motor shaft sheave stay 13, so that the moving block 75 moves rightward, so that the moving block spring 74 is pressed, so that the sliding box 78 is driven to slide rightward in the sliding cavity 76, when the sliding box 78 presses the pressing block 55, the rotating shaft gear groove block stay 56 is tightened, so that the rotating shaft gear groove block 21 is pulled, so that the second rotating shaft gear 19 is pulled to move downward, at this time, the clamping pipe rotating block 65 is just under the second infusion bottle to be infused, the second rotating shaft gear 19 moves downward to engage the second rotating shaft gear 19 with the motor shaft gear 80, so that the first motor shaft 48 rotates reversely, so that the sleeve 40 moves upward, so that the dropper needle is just inserted into the second infusion bottle, the moving block 75 moves to the rightmost end and does not move any more, and the second motor 11 stops working; 4. the moving block 75 presses the restricting block 50 when moving rightwards, so that the restricting block 50 is inserted into the groove of the moving block 75 due to the restoration of the restricting block spring 51; 5. when the patient finishes the second bottle of liquid medicine soon, the resultant force of the infusion bottle in the second infusion bottle cavity 84 and the fixed block spring 70 cannot bear the elastic force of the two spring block springs 22, so that the fixed block plate 71 presses the sliding block 25 upwards to tighten the sliding block pull rope 34, the limiting moving block 32 is separated from the groove on the sliding block 31, the sliding block 31 moves rightwards, the infusion set wheel pull rope 28 is tightened, and the infusion set wheel 73 slides downwards to close the infusion set.

6. After the two bottles of liquid are delivered, the nurse pulls out the dropper needle inserted in the second infusion bottle cavity 83, pulls the clamping tube rotating block 65 open, takes out the dropper, then screws the clamping tube rotating block 65 up, pulls the limiting block pull rope 54 downwards, and the moving block 75 drives the sliding box 78 to reset under the action of the moving block spring 74.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a transfusion bottle medical instrument is traded automatically to no nurse of transfusion, includes bottle changing machine, its characterized in that: a sliding cavity is arranged in the bottle changing machine, a pulling-out mechanism for pulling out the transfusion needle is arranged in the sliding cavity, the pulling-out mechanism comprises a sliding box capable of sliding in the sliding cavity, a first motor is arranged at the lower side in the sliding box and fixed in the lower inner wall of the sliding box, a first motor shaft is connected to the first motor in a power mode, a motor shaft gear is fixed to the first motor shaft, a first rotating shaft is arranged on the left side close to the first motor shaft and rotatably connected to the upper inner wall and the lower inner wall of the sliding box, a first rotating shaft gear and an engaging gear are fixed to the first rotating shaft, the first rotating shaft gear is engaged with the motor shaft gear, a rotating shaft is arranged on the left side close to the first rotating shaft, a sleeve capable of rotating and lifting is fixed to the rotating shaft, and a clamping pipe is arranged on the upper side of the sleeve, the clamping tube is fixed at the upper end of the sleeve, a clamping tube groove is arranged in the clamping tube, a clamping tube fixing block is fixed at the upper end of the clamping tube, a clamping tube shaft is fixed at the upper end of the clamping tube, the clamping tube shaft is rotatably connected on the clamping tube, a clamping tube rotating block is fixed on the clamping tube shaft, the clamping tube rotating block can clamp an infusion tube and can coincide with the clamping tube fixing block, a sleeve gear is fixed on the sleeve, the sleeve gear can be meshed with the meshing gear, an upper fixing pin plate and a lower fixing pin plate are fixed on the sleeve, a fixing rod is arranged on the left side of the rotating shaft, a rotating shaft is arranged on the upper side of the fixing rod, the rear end of the rotating shaft is rotatably connected on the rear inner wall of the sliding box, a fixing wheel is fixed on the rotating shaft, the lower end of the fixing wheel is fixed at the upper end of the fixing, the fixed pin with the rotation axis passes through the fixed plate and connects, the fixed plate is in between the fixed pin board, the slip chamber upside is equipped with first transfusion bottle chamber, inner wall is fixed with the switch that can start first motor on the first transfusion bottle intracavity, first transfusion bottle intracavity downside is equipped with about two can by the extruded pressing block of transfusion bottle, two press the block lower extreme be fixed with the lower extreme with inner wall fixed connection's under the first transfusion bottle chamber presses the block spring, the bottle changing machine right side is equipped with the bottle chamber of trading left opening, it is equipped with the insertion mechanism who is used for trading the bottle to trade the bottle intracavity, be equipped with the second transfusion bottle chamber in the bottle changing machine, the second transfusion bottle intracavity is equipped with the closing mechanism who is used for closing the transfusion system, it is equipped with supplementary male complementary unit to trade bottle built-in downside.

2. The drip nurse-free automatic transfusion bottle changing medical instrument according to claim 1, wherein: the inserting mechanism comprises a second motor fixed on the lower end wall in the bottle changing cavity, a second motor shaft is connected to the second motor in a power mode, a motor shaft rope pulley and a first belt pulley are fixed on the second motor shaft, a second rotating shaft is arranged on the left side of the second motor shaft and is connected to the upper wall and the lower wall of the bottle changing cavity in a rotating mode, a second rotating shaft gear and a second belt pulley are fixed on the second rotating shaft, the second belt pulley and the first belt pulley are in belt transmission, a rotating shaft gear groove is formed in the second rotating shaft gear, a rotating shaft gear groove block is arranged in the rotating shaft gear groove, a rotating shaft gear spring with the lower end fixedly connected with the second belt pulley is fixed at the lower end of the second rotating shaft gear, a moving block groove is formed in the lower side of the sliding cavity, and a moving block is connected to the moving block groove in a sliding mode, the upper end of the moving block is fixedly connected with the rotating shaft, a groove is formed in the moving block, a moving block spring is fixed at the right end of the moving block and fixedly connected with a nickel coin in the moving block groove, a motor shaft rope pulley pull rope is fixed at the right end of the moving block, the other end of the motor shaft rope pulley pull rope is wound on the motor shaft rope pulley, a limiting block groove with an upward opening is formed in the lower side of the moving block groove, a limiting block is connected in the limiting block groove in a sliding mode, a limiting block spring is fixed at the lower end of the limiting block and fixedly connected with the inner wall of the limiting block groove, and a limiting block pull.

3. The drip nurse-free automatic transfusion bottle changing medical instrument according to claim 1, wherein: the closing mechanism comprises four fixed blocks fixed on the left side and the right side in the inner wall of the second transfusion bottle cavity, the two fixed blocks are connected through fixed block springs on the two sides, a first rotating shaft of the fixed blocks is arranged on the two fixed blocks, the first rotating shaft is rotatably connected on the fixed blocks, a rotating rod is fixed on the first rotating shaft, the two rotating rods are connected through rotating rod pins, a fixed block plate is fixed at the upper end of the fixed block, one end of the fixed block plate, which is far away from the fixed block, is pressed at the upper end of the transfusion bottle, a left spring block and a right spring block which can be extruded by the transfusion bottle are arranged at the lower side in the second transfusion bottle cavity, a spring block spring of which the lower end is fixedly connected with the lower inner wall of the second transfusion bottle cavity is fixed at the lower end of the spring block, a sliding groove is, a sliding block spring with the upper end fixedly connected with the inner wall of the sliding groove is fixed at the upper end of the sliding block, a sliding block groove is arranged at the left side of the sliding groove, a sliding block is connected in the sliding block groove in a sliding manner, a first sliding block spring with the right end fixedly connected with the inner wall of the sliding block groove is fixed at the right end of the sliding block, a groove is arranged in the sliding block, a first limiting groove with an upward opening is arranged at the lower side of the sliding block groove, a limiting moving block is connected in the first limiting groove in a sliding manner and can be inserted into the groove of the sliding block, a first limiting block spring with the lower end fixedly connected with the inner wall of the first limiting groove is fixed at the lower end of the limiting moving block, a sliding block pull rope with the other end fixedly connected with the upper end of the sliding block is fixed at the lower end of, the lower side in the bottle changing machine is provided with an infusion block groove, an infusion block is connected in the infusion block groove in a sliding mode, an infusion block groove is formed in the infusion block, an infusion device is arranged outside the bottle changing machine, an infusion device groove is formed in the infusion device, an infusion device block is connected in the infusion device groove in a sliding mode, the lower end of the infusion device block is fixed with the other end of an infusion device wheel pull rope fixedly connected with the right end of the sliding block, and the infusion device block can be inserted into the infusion block groove.

4. The drip nurse-free automatic transfusion bottle changing medical instrument according to claim 1, wherein: the auxiliary mechanism comprises an extrusion block groove with a leftward opening at the lower side in the bottle changing machine, an extrusion block is connected in the extrusion block groove in a sliding mode, the right end of the extrusion block is fixedly provided with an extrusion block spring fixedly connected with the inner wall of the extrusion block groove, and the right end of the extrusion block is fixedly provided with a rotating shaft gear groove block pull rope fixedly connected with the other end of the extrusion block and the lower end of the rotating shaft gear groove block.

5. The drip nurse-free automatic transfusion bottle changing medical instrument according to claim 1, wherein: the weight of the full liquid medicine transfusion bottle is larger than the elastic force of the two pressing block springs, and the weight of the full liquid medicine transfusion bottle, the elastic force of the two fixing block springs and the elastic force of the two spring block springs are larger than each other.

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