Puncture drainage device with numerical control monitoring function

Abstract

The invention discloses a puncture drainage device with a numerical control monitoring function, and relates to the technical field of medical instruments, the puncture drainage device comprises a puncture drainage module, a supporting and positioning module and a driving module, the supporting and positioning module comprises a positioning sleeve, an adsorption assembly, a dressing fixing assembly and a guide frame; the positioning sleeve is connected to the end, close to the puncture catheter, of the drainage catheter in a sleeving mode and adsorbed to the abdomen through the adsorption assembly to position the positioning sleeve, the dressing fixing assembly is inserted into the end of the positioning sleeve and abuts against the surface of the application so that the application can be tightly attached to a wound, and the drainage catheter penetrates through the positioning sleeve and is clamped by the guide frame so that the drainage catheter can be bent. The bent drainage catheter is used for positioning the positioning sleeve and is adsorbed to the abdomen through the adsorption assembly, so that the drainage catheter and the puncture catheter are straightly or obliquely erected on the abdomen, and the situation that the puncture catheter swings due to dragging of the drainage catheter when being punctured into the abdomen, and consequently a wound is expanded or the puncture catheter is punctured deeply is avoided; the wound and tissues in the abdominal cavity are further damaged.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a puncture and drainage device with a digital control monitoring function. Background Art

[0002] Abdominal puncture is a technique to extract abdominal fluid by puncturing the peritoneal cavity directly from the anterior abdominal wall with a puncture needle or catheter to assist in the diagnosis and treatment of diseases. This technique is a simple method to determine the presence or absence of ascites and identify the nature of ascites, and is divided into diagnostic abdominal puncture and therapeutic abdominal puncture.

[0003] A Chinese patent application with authorization announcement number CN112472882B discloses a thoracic puncture and drainage device, including a puncture catheter, a drainage catheter and a drainage bag, the tail end of the puncture catheter is connected to the drainage catheter, the drainage catheter is connected to the drainage bag, the drainage catheter includes a rear catheter section connected to the drainage bag, a front catheter section connected to the puncture catheter, and a connecting device connecting the rear catheter section and the front catheter section, the connecting device includes a three-way connecting tube, the three-way connecting tube includes a first end tube, a second end tube and a third end tube, when liquid extraction is required, the closing cover on the liquid extraction connecting tube head is opened, the syringe is connected to the liquid extraction connecting tube head, after the accumulated fluid is extracted, the accumulated fluid is pushed into the drainage bag, the syringe is repeatedly operated to achieve rapid suction of the accumulated fluid, and after the aspiration of the accumulated fluid is completed, the closing cover is used to seal the liquid extraction connecting tube head to achieve normal drainage operation; the operation of aspirating the accumulated fluid is convenient, no intermediate assembly operation is required, the operation is convenient and the overall connection reliability of the drainage tube is guaranteed.

[0004] In reciting the above patent process, there are several obvious defects:

[0005] The above invention does not mention any automated or digitally controlled monitoring function, which is a deficiency for modern medical equipment, because real-time monitoring can help medical staff understand the patient's condition in time and take necessary measures;

[0006] The above invention proposes to use a knob to control the valve core mechanism. Frequent manual operations increase the complexity of the operation and the risk of error, thus increasing the difficulty of the operation.

[0007] Secondly, adding some components in the drainage tube increases the economic cost for a disposable product.

[0008] To this end, the present invention proposes a puncture drainage device with a digital control monitoring function to solve the above problem. Summary of the invention

[0009] In view of the above problems in the prior art, the present invention is proposed.

[0010] In order to solve the above technical problems, the present invention provides the following technical solutions: a puncture and drainage device with a numerical control monitoring function, comprising a puncture and drainage module, a support and positioning module, and a drive module.

[0011] The puncture and drainage module is used for abdominal puncture and drainage, and comprises a puncture catheter, a drainage catheter and a syringe. The puncture catheter is inserted into the abdominal cavity and the abdominal effusion is introduced into the syringe through the drainage catheter.

[0012] The supporting and positioning module comprises a positioning sleeve, an adsorption component, a dressing fixing component and a guide frame. The positioning sleeve is sleeved on one end of the drainage catheter close to the puncture catheter and is adsorbed on the abdomen and positioned by the adsorption component. The dressing fixing component is inserted into the end of the positioning sleeve and abuts against the dressing surface so that the dressing is closely attached to the wound. The drainage catheter passes through the positioning sleeve and is clamped by the guide frame so that the drainage catheter is bent, and the bent drainage catheter is positioned to position the positioning sleeve.

[0013] The driving module includes a fixing seat and a control component. The fixing seat is arranged at the bottom end of the syringe to form a support and provide support to the control component. The control component is adsorbed on the tail end of the syringe and gradually increases the inner cavity of the syringe.

[0014] As a preferred solution of the puncture drainage device with numerical control monitoring function described in the present invention, the positioning sleeve includes a long tube sleeve tightly attached to the outer wall of the drainage catheter, a plurality of ring plates are evenly distributed on the surface of the long tube sleeve, and ball grooves are provided on the upper and lower end surfaces of the ring plates, the adsorption component is engaged in two adjacent groups of ring plates, and rotates with the center line of the long tube sleeve as the axis, a plurality of groups of straight plug-in tubes are extended from the surface of a group of the ring plates located at the bottom, and the dressing fixing component is inserted into the inner cavity of the straight plug-in tube.

[0015] As a preferred solution of the puncture drainage device with numerical control monitoring function described in the present invention, the adsorption component includes a short sleeve, a connecting tube and an adsorption head which is sleeved on the surface of the drainage catheter. The short sleeve is connected to the adsorption head through the connecting tube. The upper and lower end surfaces of the short sleeve are inlaid with multiple balls. The multiple balls roll in the ball grooves and the adsorption position of the adsorption head is changed by the rotation of the short sleeve.

[0016] As a preferred solution of the puncture drainage device with digital control monitoring function described in the present invention, wherein: the connecting tube includes a bottom curved rod engaged in the adsorption head and a top curved rod connected to the short sleeve, the bottom end of the bottom curved rod is fixedly connected with an insert sleeve, the top end of the bottom curved rod is fixedly connected with a telescopic member, and the telescopic member passes through the insert sleeve and is fixedly connected to the top curved rod;

[0017] The telescopic member comprises a spring and a driven rod located at the center of the spring, and the drainage catheter is straightened by the stretching of the spring.

[0018] As a preferred solution of the puncture drainage device with numerical control monitoring function described in the present invention, the guide frame includes a left cartridge, a right cartridge and a connecting block, the left cartridge is fixedly connected to the right cartridge through the connecting block, the connecting block is tightly attached to the outer wall of the drainage catheter, the left cartridge is tightly attached to the outer wall of the long tube sleeve, the drainage catheter passes through the long tube sleeve and is clamped by the right cartridge, and the clamped and bent drainage catheter prevents the long tube sleeve from sliding on the surface of the drainage catheter.

[0019] As a preferred solution of the puncture drainage device with numerical control monitoring function described in the present invention, the dressing fixing assembly includes an elastic telescopic rod and an annular clamp, the elastic telescopic rod is adapted to the straight insert tube and fixed to the end face of the annular clamp, and the annular clamp is pressed on the upper surface of the dressing to cause the elastic telescopic rod to contract.

[0020] As a preferred solution of the puncture drainage device with digital control monitoring function described in the present invention, wherein: the drainage catheter comprises a front catheter section, a burette and a rear catheter section which are arranged in sequence and connected, the front catheter section is connected to the inlet end of the burette and extends inward, and a group of monitoring diaphragms for monitoring and obtaining the dripping speed of the effusion are pasted on the outer wall of the burette at a position directly opposite to the end of the front catheter section, and a group of indicator lights are installed on the outer surface of the monitoring diaphragm for receiving abnormal signals of the monitoring diaphragm and alarming;

[0021] The front catheter section is connected to the puncture catheter, and an integrally connected three-way connecting tube 1 is provided in the middle of the front catheter section. The rear catheter section is connected to the syringe, and an integrally connected three-way connecting tube 2 is provided in the middle of the rear catheter section.

[0022] As a preferred embodiment of the puncture drainage device with digital control monitoring function of the present invention, the syringe comprises a syringe and a piston sliding in the inner cavity of the syringe, a through groove is provided on the surface of the syringe, and a through groove is provided on the surface of the piston;

[0023] The fixing seat comprises a square insert tube inserted into the through groove and a built-in block inserted into the through groove, and an end plate is fixedly connected to one end of the square insert tube away from the built-in block. By pulling the built-in block to press the end plate against the end of the syringe, the built-in block slides and engages in the inner cavity of the square insert tube and is fixedly connected to the piston.

[0024] As a preferred solution of the puncture and drainage device with numerical control monitoring function described in the present invention, the control component includes a negative pressure suction cup adsorbed on the end face of the syringe, a group of transmission rods are rotatably installed at the end of the negative pressure suction cup away from the syringe, and a group of driven gears are fixedly connected to the tail end of the transmission rod.

[0025] As a preferred solution of the puncture drainage device with numerical control monitoring function described in the present invention, a motor and a spiral sleeve are installed on the surface of the built-in block, a group of driving gears are fixedly connected to the output end of the motor, the driving gear and the driven gear are arranged in meshing transmission, and the spiral sleeve is connected to the surface of the piston.

[0026] Beneficial effects of the present invention: The present invention sleeves a group of supporting and positioning modules between the puncture catheter and the drainage catheter, and the supporting and positioning modules include a positioning sleeve, an adsorption component, a dressing fixing component and a guide frame. The adsorption component is adsorbed on the abdomen to make the drainage catheter and the puncture catheter stand straight or obliquely on the abdomen, so as to avoid the puncture catheter from swinging due to the dragging of the drainage catheter when inserted into the abdomen, causing the enlargement of the wound or the deeper insertion of the puncture catheter, causing further damage to the wound and the tissue in the abdominal cavity. At the same time, the dressing fixing component is pressed on the dressing to prevent leakage at the connection between the dressing and the skin, causing wound infection. Secondly, the guide frame bends the drainage catheter and fixes the positioning sleeve on the surface of the drainage catheter. The adsorption component, the dressing fixing component and the guide frame are used to jointly control the position of the drainage catheter to prevent the position displacement or insertion depth change of the puncture catheter caused by external operation.

[0027] The present invention provides a fixing seat and a control component. The fixing seat locates the position of the syringe, and the control component allows the abdominal effusion to enter the inner cavity of the syringe evenly, thereby avoiding the discomfort of the patient caused by the abdominal effusion being drawn out at a variable speed due to manual operation, and reducing the difficulty of the abdominal drainage operation. Secondly, the abdominal effusion moving at a constant speed is easy to be observed when the speed changes, and then it is judged whether the puncture and drainage module is blocked, thereby avoiding the phenomenon that the puncture and drainage module is excessively blocked and cannot be unblocked, and multiple punctures are required. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 creative work.

[0029] Figure 1 It is a schematic diagram of the overall structure of the puncture and drainage device with a digital control monitoring function in the present invention;

[0030] Figure 2 It is a partial structural schematic diagram of the puncture drainage device with digital control monitoring function in the present invention;

[0031] Figure 3 It is a schematic diagram of the overall structure of the fixing seat in the present invention;

[0032] Figure 4It is a schematic diagram of the overall structure of the control component in the present invention;

[0033] Figure 5 It is a schematic diagram of the connection structure between the control component and the fixing seat in the present invention;

[0034] Figure 6 It is a cross-sectional view of the overall structure of the puncture and drainage device with a numerical control monitoring function in the present invention;

[0035] Figure 7 It is a schematic diagram of the overall structure of the support and positioning module in the present invention;

[0036] Figure 8 It is a schematic diagram of the overall structure of the positioning sleeve in the present invention;

[0037] Fig. 9 It is a schematic diagram of the structural details of the guide frame in the present invention;

[0038] Fig.10 It is a schematic diagram of the overall structure of the adsorption component in the present invention.

[0039] Figure numerals: 100, puncture catheter; 200, drainage catheter; 300, three-way connecting tube 1; 400, burette; 410, monitoring diaphragm; 500, three-way connecting tube 2; 600, syringe; 610, syringe; 611, through groove; 620, piston; 621, through groove; 700, support positioning module; 710, positioning sleeve; 711, long tube sleeve; 712, ring plate; 713, ball groove; 714, straight insert tube; 720, adsorption component; 721, short sleeve; 722, ball; 723, top bent rod; 724, insert tube; 725, driven rod; 726, spring; 727, bottom bent rod; 728, squeezing ball; 729, round suction disc; 730, dressing fixing assembly; 731, elastic telescopic rod; 732, ring clamp; 740, guide frame; 741, left cartridge; 742, right cartridge; 743, connecting block; 800, fixing seat; 810, square plug-in cylinder; 820, built-in block; 830, end plate; 840, square suction cup; 900, control assembly; 910, negative pressure suction cup; 920, transmission rod; 930, driven gear; 940, motor; 950, driving gear; 960, spiral sleeve. DETAILED DESCRIPTION

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0041] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0042] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0043] Example 1

[0044] Reference Figures 1 to 10 As shown, it is the first embodiment of the present invention, which provides a puncture drainage device with a digital control monitoring function, including a puncture drainage module, a support and positioning module 700 and a driving module;

[0045] A puncture and drainage module, which is used for abdominal puncture and drainage, comprises a puncture catheter 100, a drainage catheter 200 and a syringe 600. The puncture catheter 100 punctures the abdominal cavity and introduces the abdominal effusion into the syringe 600 through the drainage catheter 200;

[0046] Specifically, the drainage catheter 200 includes a front catheter section, a burette 400 and a rear catheter section which are arranged in sequence and connected. The front catheter section is connected to the inlet end of the burette 400 and extends inwardly. A group of monitoring diaphragms 410 for monitoring and obtaining the dripping speed of the accumulated fluid are pasted on the outer wall of the burette 400 at a position opposite to the end of the front catheter section, and a group of indicator lights are installed on the outer surface of the monitoring diaphragm 410 for receiving abnormal signals from the monitoring diaphragm 410 and alarming.

[0047] Among them, the advantage of the front catheter section being connected to the inlet end of the burette 400 and extending inward is that the accumulated fluid can be observed dripping out of the front catheter section when the burette 400 is in an inclined, horizontal or vertical position. It is only necessary to avoid that the direction in which the accumulated fluid enters the front catheter section and the direction in which it drips are opposite. The burette 400 can naturally fall to the side of the abdomen, and there is no need to precisely control the position and direction of the burette 400.

[0048] Among them, the drainage catheter 200 is made of medical-grade polyvinyl chloride material, which is a soft and transparent plastic. The front catheter section is connected to the inlet end of the burette 400 and extends inward, so that the peritoneal effusion is introduced into the front catheter section by the puncture catheter 100 and led out from the end of the front catheter section. Since there is no direct contact between the end of the front catheter section and the burette 400, the effusion drips into the inner cavity of the burette 400 in a dripping manner. By observing the dripping of the effusion at the end of the front catheter section, it can be directly judged whether the puncture drainage device is blocked.

[0049] Secondly, the end of the front catheter end is not in direct contact with the accumulated fluid, which can prevent the accumulated fluid in the inner cavity of the syringe 600 from flowing back and causing secondary infection of the patient. At the same time, if the liquid at the end of the front catheter end flows back toward the puncture catheter 100, a section of the tube body without liquid will appear at the front end of the front catheter end. Whether the liquid flows back can be judged directly by observing the flow of liquid at the front catheter end. This phenomenon can be used to judge whether the hemostatic forceps are clamped tightly when clamping the pipeline, so as to adjust the force of clamping the drainage catheter 200.

[0050] Among them, for the abnormal monitoring of the dripping speed of the accumulated liquid:

[0051] The monitoring diaphragm 410 includes a dripping speed sensor and a control unit for detecting the dripping speed of the liquid in the burette 400. The monitoring direction of the dripping speed sensor is directly opposite to the liquid outlet end of the front catheter section. A speed threshold is set in the control unit. The control unit receives the signal of the dripping speed sensor and compares it with the preset speed threshold. If it is detected that the dripping speed of the liquid in the burette 400 is lower than the set speed threshold, an abnormal signal is generated, indicating that a blockage has occurred in the puncture drainage device, and an alarm mechanism is triggered;

[0052] Among them, the control unit is connected to the indicator light. When the control unit receives an abnormal signal, the alarm mechanism is activated and the indicator light flashes to alarm.

[0053] Furthermore, the front catheter section is connected to the puncture catheter 100, and an integrally connected three-way connecting tube 1 300 is provided in the middle of the front catheter section, and the rear catheter section is connected to the syringe 600, and an integrally connected three-way connecting tube 2 500 is provided in the middle of the rear catheter section.

[0054] Among them, the burette 400 is also made of transparent medical-grade plastic material. If blockage occurs in the puncture catheter 100, the rear catheter section, the front catheter section and the burette 400, the rear catheter section, the front catheter section and the burette 400 can be directly checked with the naked eye to see whether there are blood clots or other foreign matter in the rear catheter section, the front catheter section and the burette 400, and the location of the blockage can be directly determined.

[0055] An integrally connected three-way connecting tube 1 300 is provided in the middle of the front catheter section, and an integrally connected three-way connecting tube 2 500 is provided in the middle of the rear catheter section. The ends of the three-way connecting tube 1 300 and the three-way connecting tube 2 500 are sealed with silicone plugs. The blockage can be dispersed by injecting saline into the three-way connecting tube 1 300 or the three-way connecting tube 2 500, and the drainage catheter 200 is clamped by a hemostatic forceps so that the saline is flushed to the blocked position.

[0056] If the blockage is in the puncture catheter 100, clamp the effusion outlet end of the three-way connecting tube 300 with a hemostatic forceps, and inject normal saline into the three-way connecting tube 300 through a needle to flush the blockage; if the blockage is in the burette 400 or the rear catheter section, clamp the effusion inlet end of the three-way connecting tube 300 with a hemostatic forceps, and inject normal saline into the three-way connecting tube 300 through a needle to flush the blockage; if the blockage is in the second half of the rear catheter section, clamp the effusion inlet end of the three-way connecting tube 2 500 with a hemostatic forceps, and inject normal saline into the three-way connecting tube 300 through a needle to flush the blockage.

[0057] When using saline to flush out the blockage, the position on the surface of the drainage catheter 200 that needs to be blocked is clamped with a hemostatic forceps. There is no need to set up overly complex anti-reflux components in the drainage catheter 200, which increases the economic cost of the puncture drainage device. In addition, the more components are set up in the drainage catheter 200, the more narrow areas will appear, making it easier for blockage to occur. Even if the drainage catheter 200 can be unblocked with saline, frequent flushing actions can easily cause discomfort to the patient.

[0058] Example 2

[0059] like Figures 5 to 10 As shown, the second embodiment of the present invention is based on the previous embodiment, and the difference is that the supporting positioning module 700 includes a positioning sleeve 710, an adsorption component 720, a dressing fixing component 730 and a guide frame 740. The positioning sleeve 710 is sleeved on the end of the tube body of the drainage catheter 200 close to the puncture catheter 100, and is adsorbed on the abdomen through the adsorption component 720 and positions itself. The dressing fixing component 730 is inserted into the end of the positioning sleeve 710 and abuts against the dressing surface so that the dressing is tightly attached to the wound. The drainage catheter 200 passes through the positioning sleeve 710 and is clamped by the guide frame 740 so that the drainage catheter 200 is bent, and the bent drainage catheter 200 is positioned to position the positioning sleeve 710.

[0060] Among them, Figure 8-Figure 10As shown, the positioning sleeve 710 includes a long tube sleeve 711 that is tightly attached to the outer wall of the drainage catheter 200, and a plurality of ring plates 712 are evenly distributed on the surface of the long tube sleeve 711, and ball grooves 713 are provided on the upper and lower end surfaces of the ring plates 712. The adsorption component 720 is engaged in two adjacent groups of ring plates 712 and rotates with the center line of the long tube sleeve 711 as the axis.

[0061] There are multiple groups of adsorption components 720, which rotate around the center line of the long tube sleeve 711. The adsorption components 720 are adsorbed on the abdomen and make the drainage catheter 200 and the puncture catheter 100 stand upright on the abdomen, so as to prevent the puncture catheter 100 from swinging due to the dragging of the drainage catheter 200 when inserted into the abdomen, and the insertion direction of the puncture catheter 100 cannot be fixed.

[0062] The friction between the adsorption component 720 and the drainage catheter 200 can prevent the puncture catheter 100 from being dragged deeper into the abdominal cavity by the drainage catheter 200, causing the puncture catheter 100 to be inserted too deeply and damage the internal abdominal tissue.

[0063] Among them, the adsorption component 720 includes a short sleeve 721, a connecting tube and an adsorption head which is sleeved on the surface of the drainage catheter 200. The short sleeve 721 is connected to the adsorption head through the connecting tube. The upper and lower end surfaces of the short sleeve 721 are inlaid with multiple balls 722. The multiple balls 722 roll in the ball groove 713 and change the adsorption position of the adsorption head through the rotation of the short sleeve 721.

[0064] The connecting tube includes a bottom bent rod 727 engaged in the adsorption head and a top bent rod 723 connected to the short sleeve 721, an insert tube 724 is fixedly connected to the bottom end of the bottom bent rod 727, and a telescopic member is fixedly connected to the top end of the bottom bent rod 727, and the telescopic member passes through the insert tube 724 and is fixedly connected to the top bent rod 723.

[0065] The telescopic member includes a spring 726 and a driven rod 725 located at the center of the spring 726 , and the drainage catheter 200 is straightened by the extension of the spring 726 .

[0066] Specifically, the connection between the adsorption head and the bottom curved rod 727 is arranged in a ball-and-socket joint shape. Its purpose is that when the puncture catheter 100 is obliquely inserted into the abdominal cavity, the adsorption head and the bottom curved rod 727 are rotated and adjusted so that the adsorption surface of the adsorption head faces the abdomen, and the puncture catheter 100 is jointly restricted by other multiple groups of adsorption components 720 so that the position and insertion direction of the puncture catheter 100 are fixed.

[0067] The adsorption head includes a circular adsorption disk 729 and a squeezing ball 728, wherein the circular adsorption disk 729 and the squeezing ball 728 are connected by a hard round block, and the hard round block is used to engage the bottom bent rod 727. At the same time, a plurality of round holes are opened on the surface of the hard round block, and the gas enters or is discharged from the inner cavity of the squeezing ball 728 through the round holes. When the air in the inner cavity of the squeezing ball 728 is discharged, the circular adsorption disk 729 is pressed against the abdomen, and the pressure difference between the inside and outside of the circular adsorption disk 729 causes the circular adsorption disk 729 to be adsorbed on the abdomen for positioning.

[0068] The plurality of balls 722 roll in the ball groove 713 and change the adsorption position of the adsorption head through the rotation of the short sleeve 721. The rolling connection reduces the friction between the adsorption component 720 and the positioning sleeve 710. When the position of the adsorption component 720 is adjusted on the surface of the positioning sleeve 710, due to the rolling friction between the positioning sleeve 710 and the adsorption component 720, the adsorption component 720 rotates with the center line of the long tube sleeve 711 as the axis. The rotation of the adsorption component 720 cannot affect the long tube sleeve 711, causing the position of the puncture catheter 100 to shift.

[0069] like Figure 8 and Fig.10 As shown, the dressing fixing assembly 730 includes an elastic telescopic rod 731 and an annular clamp 732. The elastic telescopic rod 731 is adapted to the straight plug tube 714 and fixed to the end face of the annular clamp 732. The annular clamp 732 is pressed on the upper surface of the dressing and causes the elastic telescopic rod 731 to contract.

[0070] The guide frame 740 includes a left cartridge 741, a right cartridge 742 and a connecting block 743. The left cartridge 741 is fixedly connected to the right cartridge 742 via the connecting block 743. The connecting block 743 is tightly attached to the outer wall of the drainage catheter 200. The left cartridge 741 is tightly attached to the outer wall of the long tube sleeve 711. The drainage catheter 200 passes through the long tube sleeve 711 and is clamped by the right cartridge 742. The clamped and bent drainage catheter 200 prevents the long tube sleeve 711 from sliding on the surface of the drainage catheter 200.

[0071] When the elastic telescopic rod 731 generates a reaction force through contraction and then abuts against the surface of the ring plate 712, the long tube sleeve 711 tends to move upward, and the bent drainage catheter 200 blocks the tendency of the long tube sleeve 711 to slide on the surface of the drainage catheter 200, wherein the spring 726 is in a stretched state, and the reaction force generated by the spring 726 and the reaction force generated by the elastic telescopic rod 731 offset each other, so that the position force of the drainage catheter 200 is balanced.

[0072] Example 3

[0073] Reference Figure 3 to Figure 6As shown, it is the third embodiment of the present invention, which is based on the previous embodiment, and the difference is that the driving module includes a fixing seat 800 and a control component 900, and the fixing seat 800 is arranged at the bottom end of the syringe 600 to form a support and provide support for the control component 900, and the control component 900 is adsorbed on the tail end of the syringe 600 and makes the inner cavity of the syringe 600 gradually increase.

[0074] The syringe 600 includes a syringe 610 and a piston 620 that slides in the inner cavity of the syringe 610. A through groove 611 is provided on the surface of the syringe 610, and a through groove 621 is penetrated on the surface of the piston 620. The fixed seat 800 includes a square insert cylinder 810 inserted in the through groove 611 and a built-in block 820 inserted in the through groove 621. The end of the square insert cylinder 810 facing away from the built-in block 820 is fixedly connected to an end plate 830. By pulling the built-in block 820 to press the end plate 830 on the end of the syringe 610, the built-in block 820 slides and engages in the inner cavity of the square insert cylinder 810 and is fixedly connected to the piston 620.

[0075] A square suction cup 840 is fixed to the bottom end of the square insert tube 810 , and the square suction cup 840 is adsorbed on a plane.

[0076] The control assembly 900 includes a negative pressure suction cup 910 adsorbed on the end surface of the syringe 610, a group of transmission rods 920 are rotatably installed at one end of the negative pressure suction cup 910 away from the syringe 610, and a group of driven gears 930 are fixedly connected to the rear end of the transmission rod 920.

[0077] A motor 940 and a spiral sleeve 960 are installed on the surface of the built-in block 820 . A set of driving gears 950 are fixedly connected to the output end of the motor 940 . The driving gears 950 and the driven gears 930 are meshed and driven. The spiral sleeve 960 is connected to the surface of the piston 620 .

[0078] Among them, the built-in block 820 slides in the inner cavity of the square insert tube 810, and drives the piston 620 to slide in the inner cavity of the syringe 610. When the piston 620 slides in the inner cavity of the syringe 610 at a uniform speed, the inner cavity volume of the piston 620 gradually increases, so that the negative pressure in the inner cavity of the piston 620 gradually decreases. The gradually decreasing negative pressure allows the peritoneal effusion to be introduced into the interior of the syringe 600 at a constant speed and in a fixed quantity.

[0079] Among them, the two ends of the transmission rod 920 are smooth rods, and the middle part is a worm gear. When the motor 940 drives the driving gear 950 to rotate at a constant speed, the motor 940 and the driven gear 930 are meshed and then rotated synchronously in the opposite direction. The rotating driven gear 930 drives the transmission rod 920 to rotate, and the transmission rod 920 rotates in the spiral sleeve 960 and moves backward at a constant speed along the central axis direction of the transmission rod 920. The transmission rod 920 that moves backward at a constant speed pulls the negative pressure suction cup 910 to move synchronously, so that the piston 620 adsorbed by the negative pressure suction cup 910 moves backward synchronously, and the inner cavity volume of the piston 620 gradually increases, so that the inner cavity negative pressure of the piston 620 gradually decreases, and the gradually reduced negative pressure causes the peritoneal effusion to be introduced into the syringe 600 at a constant speed and in a quantitative manner.

[0080] The motor 940 rotates at a constant speed so that the piston 620 moves backward at a constant speed, thereby avoiding the speed unevenness of manual operation. The uneven suction of abdominal fluid causes discomfort to the patient. Secondly, the uneven speed of the piston 620 makes it difficult to observe the micro-blockage of the puncture and drainage device. By the time the blockage is discovered, the blockage is serious and difficult to handle. The present application reduces the difficulty of the operation by not requiring manual processing, and at the same time frees the doctor's hands, so that the doctor can observe the suction of the abdominal fluid more carefully.

[0081] Working principle:

[0082] The supporting and positioning module 700 is mounted on the surface of the drainage catheter 200, the end of the puncture catheter 100 is held and inserted into the abdominal cavity, the position and angle of the puncture catheter 100 are adjusted, and a dressing or gauze is applied to the wound to prevent wound infection;

[0083] Pull the drainage catheter 200 to make it straight, and at the same time move the support and positioning module 700 forward so that the long tube sleeve 711 covers the connection between the puncture catheter 100 and the drainage catheter 200, and at the same time press the annular clamp 732 on the dressing or gauze at the wound position, the elastic telescopic rod 731 is in a contracted state, pinch the squeezing ball 728 to discharge the gas in the squeezing ball 728, and the circular adsorption disk 729 is adsorbed on the abdomen, and the spring 726 is in a stretched state;

[0084] It should be noted that the multiple groups of adsorption components 720 are not distributed around the wound at equal intervals, which may hinder the doctor from achieving the desired effect;

[0085] The guide frame 740 is pressed against the upper and lower ends of the positioning sleeve 710, so that the left cartridge 741 is tightly engaged with the surface of the positioning sleeve 710, and the drainage catheter 200 passes through the right cartridge 742 and is folded, and the long tube sleeve 711 is engaged with the inside of the folded drainage catheter 200, so as to avoid pulling the burette 400 or the rear catheter section to cause the deviation of the puncture catheter 100, thereby causing further damage to the wound position of the patient;

[0086] Turn on the switch of motor 940 so that the output end of motor 940 drives the driving gear 950 to rotate evenly, and the driving gear 950 and the driven gear 930 are meshed and transmitted, so that the driven gear 930 and the transmission rod 920 are rotated and linearly displaced at the same time. The transmission rod 920 that produces linear displacement is adsorbed by the negative pressure suction cup 910 and pulls the piston 620, so that the peritoneal effusion enters the uniform speed inner cavity of the syringe 600 through the puncture catheter 100 and the drainage catheter 200.

[0087] Among them, the support and positioning module 700, the fixing seat 800, the control component 900 and the drainage catheter 200 in the present device are all detachably connected and can be recycled, and at the same time, the structure of the drainage catheter 200 itself is not increased, thereby reducing costs; secondly, the support and positioning module 700, the fixing seat 800 and the control component 900 are all externally arranged on the surface of the drainage catheter 200 to avoid narrowing in the pipeline of the drainage catheter 200. Although some puncture drainage devices on the market control the flow direction of the fluid through a built-in regulating mechanism, this mechanism increases the probability of blockage and the difficulty of the operation. At the same time, frequent unblocking can easily cause discomfort to the patient.

[0088] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A puncture drainage device with a digital control monitoring function, characterized in that: include: A puncture and drainage module, which is used for abdominal puncture and drainage, and comprises a puncture catheter (100), a drainage catheter (200) and a syringe (600), wherein the puncture catheter (100) is inserted into the abdominal cavity and the abdominal effusion is introduced into the syringe (600) through the drainage catheter (200); A support and positioning module (700), the support and positioning module (700) comprising a positioning sleeve (710), an adsorption component (720), a dressing fixing component (730) and a guide frame (740), the positioning sleeve (710) being sleeved on one end of the tube body of the drainage catheter (200) close to the puncture catheter (100), and being adsorbed on the abdomen and positioned itself through the adsorption component (720), the dressing fixing component (730) being inserted into the end of the positioning sleeve (710) and abutting against the dressing surface so that the dressing is closely attached to the wound, the drainage catheter (200) passing through the positioning sleeve (710) and being clamped by the guide frame (740) so that the drainage catheter (200) is bent, and the bent drainage catheter (200) is used to position the positioning sleeve (710); The driving module comprises a fixing seat (800) and a control component (900). The fixing seat (800) is arranged at the bottom end of the syringe (600) to form a support and provide support to the control component (900). The control component (900) is adsorbed on the rear end of the syringe (600) and causes the inner cavity of the syringe (600) to gradually increase.

2. The puncture drainage device with digital control monitoring function according to claim 1, characterized in that: The positioning sleeve (710) comprises a long tube sleeve (711) which is in close contact with the outer wall of the drainage catheter (200), a plurality of ring plates (712) are evenly spaced on the surface of the long tube sleeve (711), and ball grooves (713) are provided on the upper and lower end surfaces of the ring plates (712), the adsorption component (720) is engaged in two adjacent groups of ring plates (712), and rotates around the center line of the long tube sleeve (711) as the axis, a plurality of groups of straight insert tubes (714) are extended from the surface of a group of the ring plates (712) at the bottom, and the dressing fixing component (730) is inserted into the inner cavity of the straight insert tube (714).

3. The puncture drainage device with digital control monitoring function according to claim 2, characterized in that: The adsorption assembly (720) comprises a short sleeve (721) sleeved on the surface of the drainage catheter (200), a connecting tube and an adsorption head, wherein the short sleeve (721) is connected to the adsorption head via the connecting tube, and the upper and lower end surfaces of the short sleeve (721) are both inlaid with a plurality of balls (722), and the plurality of balls (722) roll in the ball groove (713) and change the adsorption position of the adsorption head through the rotation of the short sleeve (721).

4. The puncture drainage device with digital control monitoring function as claimed in claim 3, characterized in that: The connecting tube comprises a bottom curved rod (727) engaged in the adsorption head and a top curved rod (723) connected to the short sleeve (721); the bottom end of the bottom curved rod (727) is fixedly connected with an insert sleeve (724); the top end of the bottom curved rod (727) is fixedly connected with a telescopic member; the telescopic member passes through the insert sleeve (724) and is fixedly connected with the top curved rod (723); The telescopic member includes a spring (726) and a driven rod (725) located at the center of the spring (726), and the drainage catheter (200) is straightened by the extension of the spring (726).

5. The puncture drainage device with digital control monitoring function according to claim 4, characterized in that: The guide frame (740) comprises a left cartridge (741), a right cartridge (742) and a connecting block (743); the left cartridge (741) is fixedly connected to the right cartridge (742) via the connecting block (743); the connecting block (743) is tightly attached to the outer wall of the drainage catheter (200); the left cartridge (741) is tightly attached to the outer wall of the long tube sleeve (711); the drainage catheter (200) passes through the long tube sleeve (711) and is clamped by the right cartridge (742); the clamped and bent drainage catheter (200) prevents the long tube sleeve (711) from sliding on the surface of the drainage catheter (200).

6. The puncture drainage device with digital control monitoring function according to claim 5, characterized in that: The dressing fixing assembly (730) comprises an elastic telescopic rod (731) and an annular clamp (732); the elastic telescopic rod (731) is adapted to the straight plug tube (714) and fixed to the end face of the annular clamp (732); the annular clamp (732) is pressed on the upper surface of the dressing and causes the elastic telescopic rod (731) to contract.

7. The puncture drainage device with digital control monitoring function according to claim 6, characterized in that: The drainage catheter (200) comprises a front catheter section, a burette (400) and a rear catheter section which are arranged in sequence and connected to each other, the front catheter section is connected to the inlet end of the burette (400) and extends inwardly, and a group of monitoring diaphragms (410) for monitoring and obtaining the dripping speed of the accumulated liquid are pasted on the outer wall of the burette (400) at a position directly opposite to the end of the front catheter section, and a group of indicator lights are installed on the outer surface of the monitoring diaphragm (410) for receiving abnormal signals of the monitoring diaphragm (410) and alarming; The front catheter section is connected to the puncture catheter (100), and an integrally connected three-way connecting tube 1 (300) is provided in the middle of the front catheter section. The rear catheter section is connected to the syringe (600), and an integrally connected three-way connecting tube 2 (500) is provided in the middle of the rear catheter section.

8. The puncture drainage device with digital control monitoring function according to claim 7, characterized in that: The syringe (600) comprises a syringe (610) and a piston (620) sliding in the inner cavity of the syringe (610), the surface of the syringe (610) is provided with a through groove (611), and the surface of the piston (620) is provided with a through groove (621); The fixing seat (800) comprises a square insert tube (810) inserted into the through groove (611) and a built-in block (820) inserted into the through groove (621); one end of the square insert tube (810) away from the built-in block (820) is fixedly connected to an end plate (830); by pulling the built-in block (820) so that the end plate (830) is pressed against the end of the syringe (610), the built-in block (820) slides and engages with the inner cavity of the square insert tube (810) and is fixedly connected to the piston (620).

9. The puncture drainage device with digital control monitoring function according to claim 8, characterized in that: The control component (900) includes a negative pressure suction cup (910) adsorbed on the end surface of the syringe (610), a group of transmission rods (920) are rotatably mounted on one end of the negative pressure suction cup (910) away from the syringe (610), and a group of driven gears (930) are fixedly connected to the rear end of the transmission rod (920).

10. The puncture drainage device with digital control monitoring function according to claim 9, characterized in that: A motor (940) and a spiral sleeve (960) are installed on the surface of the built-in block (820); a group of driving gears (950) are fixedly connected to the output end of the motor (940); the driving gears (950) and the driven gears (930) are arranged in meshing transmission; and the spiral sleeve (960) is connected to the surface of the piston (620).

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