Medicine suction device of puncture outfit

Abstract

The invention discloses a puncture outfit medicine suction device which comprises a needle body, an air inlet pipe connector is arranged on the needle body, an air inlet hole channel and a liquid inlet hole channel are formed in the needle body, the air inlet pipe connector is communicated with the air inlet hole channel, and a liquid passing connector used for being communicated with the liquid inlet hole channel is arranged at the end of the needle body. The needle body is provided with a liquid medicine partition structure used for controlling the on-off of the liquid inlet channel, and the liquid medicine partition structure is arranged on the needle body and located at the connecting position of the liquid passing connector and the liquid inlet channel, so that when the liquid inlet channel sucks liquid medicine, the liquid medicine can be separated from the liquid medicine through the liquid medicine partition structure arranged on the liquid inlet channel. Liquid medicine in the medicine bottle container can be prevented from passing through the liquid inlet hole channel by closing the liquid medicine partition structure, it is guaranteed that the liquid medicine cannot pollute the environment, automation of the whole puncture and suction process can be completed through cooperation of the lifting rotary support structure, the abutting wheel driving assembly, the clamping structure and the like, participation of medical staff is avoided, and the infection risk is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of trocars, and in particular to a trocar drug aspirating device. Background Art

[0002] In clinical medicine, intravenous infusion is one of the most common clinical treatment methods. All medical institutions use disposable infusion sets when giving intravenous infusion to the wounded and sick. The bottle stopper piercer is an important component of the disposable infusion set. As a separate structure, the bottle stopper piercer has a single function and needs to be connected to an air filter. The air filter often requires a longer catheter to guide it above the liquid level of the hanging bottle to prevent liquid leakage.

[0003] A puncture assembly and an injection device with publication number CN117582371A, wherein the puncture assembly of the puncture assembly comprises a main body, a first connecting part and a second connecting part, one end of the main body is formed with a puncture head structure, and the main body is provided with a first channel and a second channel that penetrate through the opposite ends thereof and are isolated from each other; the first connecting part is connected to an end of the main body away from the puncture head structure, and the first connecting part is provided with a third channel that communicates with the first channel; A novel bottle plug piercer with publication number CN211611104U comprises a bottle plug piercer body, an air filter membrane, and a flow rate regulating valve. The bottle plug piercer body comprises a spike, an air inlet cavity, and a liquid passage cavity. The spike is a hollow tube, and its head is a sharpened inclined surface, and is separated from the middle to connect the air inlet cavity and the liquid passage cavity respectively. The air filter membrane is installed on one side of the bottom end of the air inlet cavity, the flow rate regulating valve is arranged in the liquid passage cavity, and the liquid passage cavity is connected to an infusion tube. However, during the use of the trocar, when the syringe stops absorbing the medicine, the medicine cannot be effectively isolated, and the medicine can easily pollute the environment. In addition, when the trocar is connected to the syringe and the medicine bottle respectively, medical staff operate it by hand, which sometimes causes the risk of puncture infection. Summary of the invention

[0004] The purpose of the present invention is to provide a puncture drug aspiration device in order to solve the above-mentioned problems.

[0005] To achieve the above object, the present invention provides the following technical solutions: A puncture drug aspiration device provided by the present invention comprises a needle body, an air inlet pipe joint is arranged on the needle body, an air inlet hole channel and a liquid inlet hole channel are formed inside the needle body, wherein the air inlet pipe joint and the air inlet hole channel are connected to each other, a liquid connection joint for connecting with the liquid inlet hole channel is arranged at the end of the needle body, and a drug liquid isolation structure for controlling the on-off of the liquid inlet hole channel is arranged on the needle body at the connection between the liquid connection joint and the liquid inlet hole channel.

[0006] Furthermore, the drug liquid isolation structure includes a drug liquid isolation column rotatably arranged in the liquid inlet channel, the end of the drug liquid isolation column passes through the needle body and is provided with a knob, and a liquid passage is opened through the drug liquid isolation column.

[0007] Furthermore, the upper openings of the air inlet channel and the liquid inlet channel are staggered in an up-and-down manner, and a first limit baffle and a second limit baffle are fixedly provided on the outer side of the needle body on both sides of the liquid medicine partition structure.

[0008] Furthermore, a dust cap is detachably mounted on the air intake pipe joint, and an air intake filter membrane is disposed inside the dust cap.

[0009] Furthermore, it includes a base and a digital display control panel, an outer cover shell is arranged above the base, a pressure wheel drive assembly for positioning and clamping the medicine bottle is arranged inside the outer cover shell, clamping structures for clamping and driving the syringe are arranged on both sides of the outer cover shell, a holder for positioning and placing the puncture device is arranged on the clamping structure, and a lifting and rotating bracket structure for adjusting the height and rotation of the outer cover shell is arranged on the base.

[0010] Furthermore, the lifting and rotating bracket structure includes a supporting upright plate, the lower end of the supporting upright plate is fixedly arranged on the base, the upper end of the supporting upright plate is fixedly arranged with a first electric telescopic rod, the push rod head end of the first electric telescopic rod faces upward and is fixedly connected to a supporting block, two guide rods symmetrically distributed with the first electric telescopic rod as the center are arranged on both sides, one end of the two guide rods is fixedly connected to the supporting block, and the other ends of the two guide rods are slidably connected to guide sliding holes provided at corresponding positions of the supporting upright plate, a first motor is fixedly arranged on the outer cover shell, the output shaft end of the first motor is fixedly connected to the supporting block, and the output end of the digital display control panel is electrically connected to the input end of the first electric telescopic rod and the first motor respectively.

[0011] Furthermore, the clamping structure is provided with two groups arranged relatively to each other, each group of the clamping structure includes a fourth electric telescopic rod fixedly arranged on the inner side wall of the outer cover shell, the push rod head end of the fourth electric telescopic rod is fixedly connected to a lifting bracket, a cross beam is fixedly arranged on the lifting bracket, and a third electric telescopic rod is fixedly arranged on the cross beam, and the push rod head end of the third electric telescopic rod is fixedly connected to a V-shaped clamping plate, and an anti-slip belt is arranged in the clamping plate, the two ends of the clamping seat are respectively fixedly connected to the two lifting brackets, and the clamping seat is provided with a clamping slot for clamping with the second limit baffle, and the output end of the digital display control panel is respectively electrically connected to the input end of the third electric telescopic rod and the fourth electric telescopic rod.

[0012] Furthermore, the syringe includes a syringe barrel, a nipple is provided at the end of the syringe barrel, a piston is provided in the syringe barrel, one end of a push rod is connected to the piston, the other end of the push rod passes through the syringe barrel and is connected to a push handle, and a positioning socket for cooperating with the push handle is provided on the base.

[0013] Furthermore, the pressure wheel driving assembly is provided with two groups arranged relatively to each other, and the pressure wheel driving assembly includes a deflection rod, one end of the deflection rod is hinged to the inner wall of the outer cover shell through a first hinge seat, and the other end of the deflection rod is rotatably provided with a driving wheel, and a second motor for driving the rotation thereof is fixedly provided in the driving wheel, and a second electric telescopic rod is provided between the deflection rod and the outer cover shell, and the second electric telescopic rod is hinged to the inner wall of the outer cover shell, and a push rod head end of the second electric telescopic rod is hinged to the deflection rod through a hinge shaft, an annular groove is provided on the outer side of the driving wheel along its circumferential direction, and a plurality of anti-slip strips are provided on the inner wall of the annular groove, and the output end of the digital display control panel is electrically connected to the second electric telescopic rod and the input end of the second motor, respectively.

[0014] Furthermore, a sleeve is provided on the inner side wall of the outer cover shell located between the two groups of pressure wheel drive assemblies, an abutment contact is provided in the sleeve, a first pressure sensor is provided between the abutment contact and the inner end surface of the sleeve, and the output end of the first pressure sensor is electrically connected to the input end of the digital display control panel.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the liquid partition structure provided on the liquid inlet channel, when the liquid inlet channel has absorbed the liquid medicine, closing the liquid partition structure can prevent the liquid medicine from the medicine bottle container from passing through the liquid inlet channel, ensuring that the liquid medicine will not pollute the environment. The lifting and rotating bracket structure, the pressing wheel drive assembly and the clamping structure cooperate to complete the automation of the entire puncture and aspiration process, avoiding the participation of medical staff and reducing the risk of infection; 2. The upper openings of the air inlet channel and the liquid inlet channel are staggered in an up-and-down manner. The gas entering the air inlet channel directly enters the top surface of the medicine bottle, while the liquid inlet channel directly draws the liquid out from the bottom, thereby preventing excessive gas from entering the syringe by suction; 3. An air intake filter membrane is provided inside the dust cap to prevent cross contamination of particles or bacteria in the atmosphere with the liquid in the liquid container; 4. The clamping structure can clamp and fix the syringe, where the clamping plate can be used to clamp syringes of different sizes, and the anti-slip belt can increase the friction between the syringe and the clamping plate to prevent the clamping plate from sliding relative to the syringe when clamping the syringe; 5. The first electric telescopic rod adjusts the overall height of the puncture device and the medicine bottle, and the fourth electric telescopic rod adjusts the insertion of the needle into the medicine bottle and the insertion depth, thereby realizing the automatic connection between the puncture device and the medicine bottle, the automatic connection between the puncture device and the syringe, the automatic suction of the syringe, and the adjustment and withdrawal of the puncture depth of the puncture device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the main structure of the puncture device of the present invention; Figure 2 The present invention Figure 1 A right view structural diagram of ; Figure 3 The present invention Figure 2 AA cross-sectional structural diagram; Figure 4 The present invention Figure 3 A schematic diagram of the local enlarged structure at B; Figure 5 The present invention Figure 1 Schematic diagram of the three-dimensional structure; Figure 6 It is a schematic diagram of the main structure of the puncture device for drug aspiration of the present invention; Figure 7 The present invention Figure 6 A right view structural diagram of ; Figure 8 The present invention Figure 6 A schematic diagram of a three-dimensional structure in a first direction; Fig. 9 The present invention Figure 7 Schematic diagram of CC cross-section structure; Fig.10 The present invention Fig. 9 A schematic diagram of the local enlarged structure at D; Fig.11 The present invention Figure 6 A schematic diagram of the three-dimensional structure in the second direction.

[0018] The accompanying drawings are described as follows: 1. puncture device; 101. needle body; 102. air inlet pipe joint; 103. liquid connection joint; 104. first limit baffle; 105. second limit baffle; 106. liquid partition column; 107. dust cap; 108. air inlet filter membrane; 109. air inlet channel; 110. liquid inlet channel; 111. liquid channel; 112. knob; 2. base; 201. positioning jack; 3. lifting and rotating bracket structure; 301. supporting plate; 302. supporting block; 303. guide rod; 304. first electric telescopic rod; 305. first motor; 4. outer cover shell; 401. sleeve; 402. contact contact; 403. first pressure sensor; 5. , the pressure wheel drive assembly; 501, the deflection rod; 502, the first hinge seat; 503, the hinge shaft; 504, the second electric telescopic rod; 505, the anti-skid strip; 506, the driving wheel; 507, the second motor; 508, the annular groove; 6, the card seat; 601, the card slot; 7, the clamping structure; 701, the crossbeam; 702, the third electric telescopic rod; 703, the clamping plate; 704, the second pressure sensor; 705, the anti-skid strip; 706, the lifting bracket; 707, the fourth electric telescopic rod; 8, the syringe; 801, the syringe barrel; 802, the push rod; 803, the push handle; 804, the piston; 805, the nipple; 9, the medicine bottle; 901, the rubber stopper; 10, the digital display control panel. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present invention clearer, the technical scheme of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-11 As shown, the present invention provides a puncture drug aspiration device, including a needle body 101, on which an air inlet pipe joint 102 is arranged, an air inlet hole channel 109 and a liquid inlet hole channel 110 are formed inside the needle body 101, and the upper end openings of the air inlet hole channel 109 and the liquid inlet hole channel 110 are arranged in an upper and lower offset manner. Through the above-mentioned specific structural design, the gas entering the air inlet hole channel 109 directly enters the top surface of the medicine bottle 9, and the liquid inlet hole channel 110 directly draws out the liquid from the bottom, thereby preventing excessive gas from entering the syringe 8 by suction, wherein the air inlet pipe joint 102 and the air inlet hole channel 109 are connected to each other, and the end of the needle body 101 is provided with a liquid connection joint 103 for connecting with the liquid inlet hole channel 110, and the needle body 101 located at the connection between the liquid connection joint 103 and the liquid inlet hole channel 110 is provided with a liquid partition structure for controlling the on and off of the liquid inlet hole channel 110.

[0021] See the instruction manual Figure 3 , Figure 4 and Figure 5 As shown, the liquid medicine partition structure includes a liquid medicine partition column 106 rotatably arranged in the liquid inlet channel 110, the end of the liquid medicine partition column 106 passes through the needle body 101 and is provided with a knob 112, and a liquid passage 111 is opened through the liquid medicine partition column 106. In actual application, the knob 112 is rotated to Figure 5 In the state shown, the knob 112 is in a vertical state, and the liquid channel 111 is also in an axially vertical state. Therefore, the state of the liquid channel 111 can be adjusted according to the adjustment of the knob 112. When the knob 112 is adjusted to a horizontal state and the liquid channel 111 is also in an axially horizontal state, the partition between the liquid connector 103 and the liquid inlet channel 110 is achieved. When the liquid inlet channel 110 has absorbed all the liquid medicine, closing the liquid medicine partition structure can prevent the liquid medicine from the container of the medicine bottle 9 from passing through the liquid inlet channel 110, thereby ensuring that the liquid medicine will not pollute the environment.

[0022] A first limit baffle 104 and a second limit baffle 105 are fixedly disposed on the outer side of the needle body 101 at both sides of the liquid medicine partition structure.

[0023] A dust cap 107 is detachably mounted on the air inlet pipe joint 102, and an air inlet filter membrane 108 is arranged inside the dust cap 107 to prevent particles or bacteria in the atmosphere from cross-contaminating the liquid in the inner cavity of the liquid container.

[0024] The puncture drug aspiration device includes a base 2 and a digital display control panel 10. An outer cover shell 4 is arranged above the base 2. A pressure wheel driving assembly 5 for positioning and clamping a medicine bottle 9 is arranged inside the outer cover shell 4. Clamping structures 7 for clamping and driving a syringe 8 are arranged on both sides of the outer cover shell 4. A holder 6 for positioning and placing the puncture device 1 is arranged on the clamping structure 7. A lifting and rotating bracket structure 3 for adjusting the height and rotation of the outer cover shell 4 is arranged on the base 2.

[0025] See the instruction manual Figure 6 and Fig. 9As shown, the lifting and rotating bracket structure 3 includes a supporting upright plate 301, the lower end of the supporting upright plate 301 is fixedly arranged on the base 2, the upper end of the supporting upright plate 301 is fixedly arranged with a first electric telescopic rod 304, the push rod head end of the first electric telescopic rod 304 faces upward and is fixedly connected to the support block 302, and two guide rods 303 symmetrically distributed with the first electric telescopic rod 304 are arranged on both sides of the first electric telescopic rod 304, one end of the two guide rods 303 is fixedly connected to the support block 302, and the other ends of the two guide rods 303 are slidably connected to the guide sliding holes provided at the corresponding positions of the supporting upright plate 301, a first motor 305 is fixedly arranged on the outer cover shell 4, the output shaft end of the first motor 305 is fixedly connected to the support block 302, and the output end of the digital display control panel 10 is electrically connected to the input end of the first electric telescopic rod 304 and the first motor 305 respectively. Through the above-mentioned specific structural design, when the push rod of the first electric telescopic rod 304 is extended, the support block 302 can be driven to move along the axial direction of the guide rod 303, thereby adjusting the up and down height position of the support block 302, thereby adjusting the up and down height position of the outer cover shell 4, and the outer cover shell 4 can also be driven by the first motor 305 to flip up and down, so that when the opening of the outer cover shell 4 is set upward, it is convenient to place the medicine bottle 9 in the outer cover shell 4, and when the opening of the outer cover shell 4 is set downward, it is convenient for the syringe 8, the puncture device 1 and the medicine bottle 9 to cooperate with each other for puncture and suction.

[0026] See the instruction manual Figure 6 , Figure 8 and Fig. 9 As shown, the clamping structure 7 is provided with two groups arranged relatively, each group of the clamping structure 7 includes a fourth electric telescopic rod 707 fixedly arranged on the inner wall of the outer cover shell 4, the push rod head end of the fourth electric telescopic rod 707 is fixedly connected with a lifting bracket 706, the lifting bracket 706 is fixedly provided with a beam 701, and the third electric telescopic rod 702 is fixedly provided on the beam 701, the push rod head end of the third electric telescopic rod 702 is fixedly connected with a V-shaped clamping plate 703, and the clamping plate 703 is provided with an anti-slip belt 705, the two ends of the holder 6 are respectively fixedly connected to the two lifting brackets 706, and the holder 6 is provided with a card slot 601 for cooperating with the second limit baffle 105 for card connection, and the output end of the digital display control panel 10 is electrically connected to the input end of the third electric telescopic rod 702 and the fourth electric telescopic rod 707 respectively. The clamping structure 7 is used to clamp and fix the syringe 801, wherein the clamping plate 703 can be suitable for clamping syringes 801 of different sizes, and the anti-slip belt 705 can increase the friction between the contact with the syringe 801 to prevent the clamping plate 703 from sliding relative to the syringe 801 when clamping the syringe 801.

[0027] The syringe 8 includes a syringe barrel 801, a nipple 805 is provided at the end of the syringe barrel 801, a piston 804 is provided inside the syringe barrel 801, one end of a push rod 802 is connected to the piston 804, the other end of the push rod 802 passes through the syringe barrel 801 and is connected to a push handle 803, and a positioning socket 201 for cooperating with the push handle 803 is provided on the base 2.

[0028] The pressure wheel driving assembly 5 is provided with two groups arranged relatively to each other, and the pressure wheel driving assembly 5 includes a deflection rod 501, one end of the deflection rod 501 is hinged to the inner wall of the outer cover shell 4 through a first hinge seat 502, and the other end of the deflection rod 501 is rotatably provided with a driving wheel 506, and a second motor 507 for driving its rotation is fixedly provided in the driving wheel 506, and a second electric telescopic rod 504 is provided between the deflection rod 501 and the outer cover shell 4, and the second electric telescopic rod 504 is hinged to the inner wall of the outer cover shell 4, and the push rod head end of the second electric telescopic rod 504 is hinged to the deflection rod 501 through a hinge shaft 503. An annular groove 508 is opened on the outer side of the driving wheel 506 along its circumferential direction, and a plurality of anti-slip strips 505 are provided on the inner wall of the annular groove 508, and the output end of the digital display control panel 10 is electrically connected to the second electric telescopic rod 504 and the input end of the second motor 507, respectively. A sleeve 401 is provided on the inner side wall of the outer cover shell 4 between the two groups of pressing wheel drive assemblies 5, and a contact head 402 is provided inside the sleeve 401. A first pressure sensor 403 is provided between the contact head 402 and the inner end surface of the sleeve 401, and the output end of the first pressure sensor 403 is electrically connected to the input end of the digital display control panel 10. When the second electric telescopic rod 504 of the two groups of pressing wheel drive assemblies 5 is telescopically adjusted, the spacing between the two driving wheels 506 can be adjusted, so as to be suitable for clamping medicine bottles 9 of different sizes, and the medicine bottles 9 can be driven to move in cooperation with the second motor 507, and the first pressure sensor 403 can perform pressure detection on the bottom contact of the medicine bottle 9, thereby determining whether the position of the medicine bottle 9 is at the bottom.

[0029] Working principle: When using the puncture device 1, the tip of the needle body 101 is inserted into the medicine bottle 9 through the rubber stopper 901, and then the liquid connection connector 103 is connected to the syringe 8. Specifically, the liquid connection connector 103 is connected to the nipple 805 of the syringe 8, the liquid partition structure is opened, and the liquid inlet channel 110 and the liquid connection connector 103 are connected to each other through the liquid channel 111, and the liquid inlet channel 110 and the liquid connection connector 103 are used to extract the liquid in the medicine bottle 9. After the extraction is completed, the liquid partition structure is closed again. At this time, the liquid inlet channel 110 and the liquid connection connector 103 are disconnected from each other, and in the process of extracting the liquid, the air is filtered by the air inlet filter membrane 108, and the gas enters the medicine bottle 9 through the air inlet channel 109 to prevent vacuum inhalation of the medicine; In order to realize the automation of puncture and suction and prevent the occurrence of infection during the puncture process, the first motor 305 of the lifting and rotating support structure 3 drives the outer cover shell 4 to rotate up and down, firstly, the opening of the outer cover shell 4 is facing upward and aligned with the instructions. Figure 8 and Fig. 9 The orientations of the middle and outer housings 4 are opposite to each other. The medicine bottle 9 is placed inside the outer housing 4 and between the two sets of abutting wheel drive assemblies 5, and the bottom of the medicine bottle 9 abuts against the abutting contact 402. The deflection rod 501 is hinged and rotated under the drive of the second electric telescopic rod 504, so that the driving wheel 506 can abut against the outer side wall of the medicine bottle 9 tightly. The puncture device 1 is inserted into the card slot 601 through the second limit baffle 105, and the tip of the needle body 101 points to the rubber stopper 901 of the medicine bottle 9. The first motor 305 drives the outer cover shell 4 to rotate 180 degrees so that the opening of the outer cover shell 4 faces downward and is aligned with the side of the instruction manual. Figure 8 and Fig. 9 The orientations of the inner and outer covers 4 are the same, and the push handle 803 of the syringe 8 is inserted into the insertion and positioning socket 201, thereby achieving the locking of the syringe 8, and the first electric telescopic rod 304 adjusts the overall height of the puncture device 1 and the medicine bottle 9, and the fourth electric telescopic rod 707 adjusts the insertion of the needle body 101 into the medicine bottle 9 and the insertion depth, thereby achieving the automatic connection between the puncture device 1 and the medicine bottle 9, the automatic connection between the puncture device 1 and the syringe 8, the automatic suction of the syringe 8, the adjustment of the puncture depth of the puncture device 1 and the withdrawal, and the automation of the entire puncture and suction process can be completed, avoiding the participation of medical personnel and reducing the risk of infection.

[0030] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A puncture drug aspiration device, characterized in that: The invention comprises a needle body (101), wherein an air inlet pipe joint (102) is arranged on the needle body (101), and an air inlet hole channel (109) and a liquid inlet hole channel (110) are formed inside the needle body (101), wherein the air inlet pipe joint (102) and the air inlet hole channel (109) are communicated with each other, and a liquid connection joint (103) for communicating with the liquid inlet hole channel (110) is arranged at the end of the needle body (101), and a liquid isolation structure for controlling the on-off of the liquid inlet hole channel (110) is arranged on the needle body (101) at the connection between the liquid connection joint (103) and the liquid inlet hole channel (110).

2. A puncture drug aspiration device according to claim 1, characterized in that: The drug liquid isolation structure comprises a drug liquid isolation column (106) rotatably arranged in a liquid inlet channel (110); the end of the drug liquid isolation column (106) passes through the needle body (101) and is provided with a knob (112); and a liquid passage (111) is opened through the drug liquid isolation column (106).

3. A puncture drug aspiration device according to claim 1, characterized in that: The upper openings of the air inlet channel (109) and the liquid inlet channel (110) are arranged in an up-and-down staggered manner, and a first limit baffle (104) and a second limit baffle (105) are respectively fixedly arranged on the outside of the needle body (101) on both sides of the liquid medicine partition structure.

4. The puncture drug aspiration device according to claim 1, characterized in that: A dust cap (107) is detachably sleeved on the air intake pipe joint (102), and an air intake filter membrane (108) is arranged inside the dust cap (107).

5. A trocar drug aspiration device according to any one of claims 1 to 4, characterized in that: The invention comprises a base (2) and a digital display control panel (10), wherein an outer cover shell (4) is arranged above the base (2), a pressing wheel driving assembly (5) for positioning and clamping a medicine bottle (9) is arranged inside the outer cover shell (4), clamping structures (7) for clamping and driving a syringe (8) are arranged on both sides of the outer cover shell (4), a holder (6) for positioning and placing a puncture device (1) is arranged on the clamping structure (7), and a lifting and rotating bracket structure (3) for adjusting the height and rotation of the outer cover shell (4) is arranged on the base (2).

6. A puncture drug aspiration device according to claim 5, characterized in that: The lifting and rotating support structure (3) comprises a supporting upright plate (301), the lower end of the supporting upright plate (301) is fixedly arranged on the base (2), the upper end of the supporting upright plate (301) is fixedly arranged with a first electric telescopic rod (304), the push rod head end of the first electric telescopic rod (304) faces upward and is fixedly connected to a supporting block (302), two guide rods (303) symmetrically distributed around the first electric telescopic rod (304) are arranged on both sides of the first electric telescopic rod (304), one end of the two guide rods (303) is fixedly connected to the supporting block (302), and the other ends of the two guide rods (303) are slidably connected to guide sliding holes provided at corresponding positions of the supporting upright plate (301), a first motor (305) is fixedly arranged on the outer cover shell (4), the output shaft end of the first motor (305) is fixedly connected to the supporting block (302), and the output end of the digital display control panel (10) is electrically connected to the input end of the first electric telescopic rod (304) and the first motor (305), respectively.

7. A trocar drug aspiration device according to claim 5, characterized in that: The clamping structure (7) is provided with two groups arranged opposite to each other, each group of the clamping structure (7) comprises a fourth electric telescopic rod (707) fixedly arranged on the inner side wall of the outer cover shell (4), the push rod head end of the fourth electric telescopic rod (707) is fixedly connected to a lifting bracket (706), a crossbeam (701) is fixedly arranged on the lifting bracket (706), a third electric telescopic rod (702) is fixedly arranged on the crossbeam (701), a V-shaped clamping plate (703) is fixedly connected to the push rod head end of the third electric telescopic rod (702), and an anti-slip belt (705) is arranged inside the clamping plate (703), the two ends of the clamping seat (6) are respectively fixedly connected to the two lifting brackets (706), the clamping seat (6) is provided with a clamping groove (601) for clamping with the second limit baffle (105), and the output end of the digital display control panel (10) is respectively electrically connected to the input end of the third electric telescopic rod (702) and the fourth electric telescopic rod (707).

8. The puncture drug aspiration device according to claim 5, characterized in that: The syringe (8) comprises a syringe barrel (801), a nipple (805) is provided at the end of the syringe barrel (801), a piston (804) is provided inside the syringe barrel (801), one end of a push rod (802) is connected to the piston (804), the other end of the push rod (802) passes through the syringe barrel (801) and is connected to a push handle (803), and a positioning socket (201) for cooperating with the push handle (803) is provided on the base (2).

9. The puncture drug aspiration device according to claim 5, characterized in that: The pressing wheel driving assembly (5) is provided with two groups arranged opposite to each other, and the pressing wheel driving assembly (5) comprises a deflection rod (501), one end of the deflection rod (501) is hinged to the inner wall of the outer cover shell (4) through a first hinge seat (502), the other end of the deflection rod (501) is rotatably provided with a driving wheel (506), a second motor (507) for driving the driving wheel (506) is fixedly provided inside the driving wheel (506) for driving the driving wheel to rotate, and a second electric telescopic rod (504) is provided between the deflection rod (501) and the outer cover shell (4). ), the second electric telescopic rod (504) is hinged to the inner wall of the outer cover shell (4), the push rod head end of the second electric telescopic rod (504) is hinged to the deflection rod (501) through a hinge shaft (503), an annular groove (508) is provided on the outer side of the driving wheel (506) along its circumferential direction, and a plurality of anti-slip strips (505) are provided on the inner wall of the annular groove (508), and the output end of the digital display control panel (10) is electrically connected to the input end of the second electric telescopic rod (504) and the second motor (507), respectively.

10. A trocar drug aspiration device according to claim 9, characterized in that: A sleeve (401) is provided on the inner side wall of the outer cover shell (4) between the two groups of pressure wheel drive assemblies (5), an abutment contact (402) is provided inside the sleeve (401), a first pressure sensor (403) is provided between the abutment contact (402) and the inner end surface of the sleeve (401), and an output end of the first pressure sensor (403) is electrically connected to an input end of the digital display control panel (10).

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