Postoperative drainage device for pneumothorax patient

Abstract

The invention relates to the technical field of pneumothorax drainage, and discloses a pneumothorax patient postoperative drainage device which comprises a drainage puncture mechanism, a constant-pressure buffer mechanism is arranged on the surface of the drainage puncture mechanism, a hydraulic conversion mechanism is arranged at one end of the constant-pressure buffer mechanism, and a guide supporting mechanism is arranged on the surface of the hydraulic conversion mechanism. The guiding and supporting mechanism is movably installed on the surface of the drainage puncture mechanism, a safety cut-off structure is arranged in the guiding and supporting mechanism, and a gas washing and backflow preventing mechanism is arranged at the drainage output end of the drainage puncture mechanism. According to the postoperative drainage device for the pneumothorax patient, by arranging the drainage puncture mechanism, the constant-pressure buffering mechanism, the hydraulic conversion mechanism, the guide supporting mechanism, the safety cut-off structure and the air washing and backflow preventing mechanism, buffering can be achieved through cooperation of the constant-pressure buffering mechanism and the hydraulic conversion mechanism in the using process, and the situation that drainage is too fast due to too fast suction is avoided; therefore, the situation of arrhythmia caused by longitudinal septum swing is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of pneumothorax drainage, in particular to a drainage device for patients after pneumothorax surgery. Background Art

[0002] Pneumothorax is a condition in which air enters the pleural cavity, causing the lung tissue to collapse under pressure. It is also often called a collapsed lung. Pneumothorax is generally caused by a rupture between the lung tissue and the chest cavity or an injury to the chest wall. It can be caused by a variety of factors, including chest injury and underlying lung disease. Pneumothorax is more common in tall, thin, young men. Continuous smoking, working in a high-pressure environment, and a family history of pneumothorax are all risk factors. Pneumothorax can be divided into three categories based on the cause: spontaneous, traumatic, and iatrogenic. It can also be classified according to the presence of the pleural rupture into closed, open, and tension pneumothorax.

[0003] When treating some patients with pneumothorax, they need to undergo postoperative drainage. However, most general drainage devices cannot provide buffering and insurance. When suction is too rapid, it may cause excessive drainage, resulting in mediastinal sway and inducing arrhythmia. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a postoperative drainage device for pneumothorax patients, which solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: a postoperative drainage device for pneumothorax patients, comprising: a drainage puncture mechanism, a constant pressure buffer mechanism is provided on the surface of the drainage puncture mechanism, a hydraulic conversion mechanism is provided at one end of the constant pressure buffer mechanism, a guide support mechanism is provided on the surface of the hydraulic conversion mechanism, and the guide support mechanism is movably installed on the surface of the drainage puncture mechanism, a safety interception structure is provided inside the guide support mechanism, and a gas washing and anti-backflow mechanism is provided at the drainage output end of the drainage puncture mechanism.

[0006] Preferably, the drainage puncture mechanism includes a drainage tube at the off-body end, a gas washing needle, an intermediate drainage tube, a mounting fat tube, a proximal drainage tube, a docking male head and an anti-return one-way valve. The gas washing needle is fixedly installed at the drainage output end of the off-body drainage tube, the mounting fat tube is fixedly connected to the end of the intermediate drainage tube away from the off-body drainage tube, the proximal drainage tube is fixedly connected to the end of the mounting fat tube away from the intermediate drainage tube, the docking male head is fixedly connected to one end of the proximal drainage tube, the anti-return one-way valve is fixedly installed inside the mounting fat tube, and the anti-return one-way valve is unidirectionally conducted to the intermediate drainage tube.

[0007] Preferably, the drainage puncture mechanism also includes a side extension female head, a support head, a first rubber block, a drainage indwelling soft needle, a bypass hole and a push-in needle. The side extension female head is integrally arranged on the surface of the support head, and the side extension female head is threadedly connected to the docking male head. The first rubber block is fixedly connected to the inside of the support head, the drainage indwelling soft needle is fixedly connected to one end of the support head, the bypass hole passes through the surface of one end of the drainage indwelling soft needle, and the push-in needle is movably inserted between the drainage indwelling soft needle and the first rubber block.

[0008] Preferably, the constant pressure buffer mechanism includes a side support tube, a side through hole, a support sleeve, an isolation elastic mold, a side extension head and a hydraulic conduit. The side support tube is fixedly connected between the off-body drainage tube and the middle drainage tube. The side through hole is opened through the surface of the side support tube. The support sleeve is fixedly sleeved on the surface of the side support tube. The isolation elastic mold is fixedly connected to the inner wall of the support sleeve. The side extension head is integrally arranged on the surface of the support sleeve. The hydraulic conduit is fixedly connected to the surface of the side extension head.

[0009] Preferably, the hydraulic conversion mechanism includes a hydraulic cylinder, an end support ring, a hydraulic piston, a piston column, a connecting plate, a buffer spring and a pressure ball head. The hydraulic cylinder is fixedly connected to one end of the hydraulic conduit, the end support ring is fixedly connected to one end of the hydraulic cylinder, the hydraulic piston is slidably connected to the inner wall of the hydraulic cylinder, the piston column is fixedly inserted into one end of the hydraulic piston, and the surface of the piston column is slidably connected to the inner wall of the end support ring, the connecting plate is fixedly connected to one end of the piston column, and the surface of the connecting plate is slidably connected to the surface of the hydraulic cylinder and the surface of the end support ring, the buffer spring is movably sleeved on the surface of the piston column, the pressure ball head is fixedly connected to the surface of one end of the connecting plate, and transmission fluid is arranged between the hydraulic cylinder and the isolation elastic module.

[0010] Preferably, the guide support mechanism includes a support frame, a guide beam, a guide slide groove, a positioning hole and a top cover. The support frame is fixedly connected to the surface of the hydraulic cylinder, the guide beam is integrally arranged inside the support frame, the guide slide groove is embedded in the upper surface of the guide beam, and the inner wall of the guide slide groove is slidably connected to the surface of the pressure ball head, the positioning hole passes through the inner wall of one end of the guide slide groove, and the top cover is fixedly sleeved on the surface of the support frame.

[0011] Preferably, the guide support mechanism also includes a guide frame, a guide waist hole and a side cover. The guide frame is fixedly connected to the bottom of the support frame, and the guide frame is movably sleeved on the surface of the proximal drainage tube. The guide waist hole is opened through the surface of the guide frame, and the side covers are respectively fixedly connected to both sides of the guide frame.

[0012] Preferably, the safety cut-off structure includes a transverse frame, a compression spring sheet, a toggle block, a lifting guide hole, a positioning block, a locking spring, a return spring and a pipe pressing wheel, the transverse frame is slidably connected between the support frame and the transverse frame, the compression spring sheet and the toggle block are integrally arranged on both sides of the transverse frame, the lifting guide hole passes through and is opened on the surface of the transverse frame, the positioning block is slidably connected to the inner wall of the top of the transverse frame, and the surface of the positioning block is slidably connected to the inner wall of the positioning hole, the locking spring is movably arranged between the positioning block and the transverse frame, the return spring is movably arranged between the compression spring sheet and the side cover, the pipe pressing wheel is slidably connected to the inner wall of the guide frame, and a wheel axle is fixedly inserted in the middle of the pipe pressing wheel, and the surface of the wheel axle is slidably connected to the inner wall of the guide waist hole and the inner wall of the lifting guide hole respectively.

[0013] Preferably, the air washing anti-backflow mechanism includes an air washing box, a transparent window, a base, a battery, a connecting tube and a second rubber plug, the transparent windows are respectively fixedly installed on both sides of the air washing box, the base is fixedly connected to the bottom of the air washing box, the battery is fixedly installed inside the base, the second rubber plug is fixedly connected to the inner wall of the air washing box through the connecting tube, and the number of second rubber plugs is two, and the air washing pin is fixedly inserted into the inside of one of the second rubber plugs.

[0014] Preferably, the air washing anti-backflow mechanism also includes an inner connecting tube, an electromagnet, an air pump piston, an armature, an air pump spring, an exhaust pipe, an intake check valve, an exhaust check valve and an exhaust pin. The inner connecting tube is fixedly inserted into the interior of the air washing box, the electromagnet is fixedly installed in the interior of the inner connecting tube, the air pump piston is slidingly connected to the interior of the inner connecting tube, the armature is fixedly installed in the interior of the air pump piston, the air pump spring is movably installed between the electromagnet and the armature, the exhaust pipe is fixedly connected to the bottom of the inner connecting tube, and one end of the exhaust pipe passes through one end of the second rubber stopper and extends to the outside of the air washing box, the intake check valve and the exhaust check valve are both fixedly installed at the bottom of the inner connecting tube, and the exhaust check valve is communicated with the exhaust pipe, and the exhaust pin is fixedly connected to one end of the exhaust pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The postoperative drainage device for pneumothorax patients, through the drainage puncture mechanism, constant pressure buffer mechanism, hydraulic conversion mechanism, guide support mechanism, safety interception structure and gas washing and anti-backflow mechanism, can achieve buffering during use through the cooperation of the constant pressure buffer mechanism and the hydraulic conversion mechanism, thereby avoiding excessive suction causing excessive drainage, thereby reducing the possibility of mediastinal swing and inducing arrhythmia.

[0016] The postoperative drainage device for pneumothorax patients is equipped with a distal drainage tube, a gas washing needle, a middle drainage tube, an installation fat tube, a proximal drainage tube, a docking male head, an anti-return one-way valve, a side extension female head, a support head, a first rubber block, a drainage indwelling soft needle, a bypass hole and a push-in needle. When in use, it can form an array drainage through multiple bypass holes to avoid easy blockage of the bypass holes and ensure smooth drainage.

[0017] The postoperative drainage device for pneumothorax patients, through the side support tube, side through hole, support sleeve, isolation elastic mold, side extension head and hydraulic catheter, can isolate the transmission fluid and exhaust gas through the isolation elastic mold during drainage, but ensure that the pressure change of the exhaust gas can be transmitted to the transmission fluid to realize hydraulic transmission.

[0018] The postoperative drainage device for pneumothorax patients can convert hydraulic transmission signals into mechanical motion signals through the hydraulic cylinder, end support ring, hydraulic piston, piston column, connecting plate, buffer spring and pressure ball head, and transmit the buffering of the buffer spring to the isolation elastic module through the hydraulic transmission inside the hydraulic cylinder, thereby ensuring smoothness during drainage and reducing fluctuations during drainage.

[0019] The postoperative drainage device for pneumothorax patients, through the support frame, guide beam, guide slot, locking hole, top cover, guide frame, guide waist hole and side cover, can use the guide slot and locking hole to limit and guide during use, to ensure that the transverse frame is not triggered to rebound during small fluctuations, and when the drainage suction force is too strong, the pressure ball head is inserted into the locking hole to trigger the transverse frame to rebound.

[0020] The postoperative drainage device for pneumothorax patients, through the provided transverse frame, compression spring, toggle block, lifting guide hole, positioning block, locking spring, return spring and tube pressing wheel, can move the transverse frame to toggle the tube pressing wheel up and down during use, thereby realizing the opening and unlocking control of the proximal drainage tube.

[0021] The postoperative drainage device for pneumothorax patients can achieve air washing and assist pumping and drainage through the arrangement of an air washing box, a transparent window, a base, a battery, a connecting tube, a second rubber stopper, an internal connecting tube, an electromagnet, an air pump piston, an armature, an air pump spring, an exhaust pipe, an air intake one-way valve, an exhaust one-way valve and an exhaust pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a structural diagram of the drainage puncture mechanism of the present invention; Figure 3 This is a cross-sectional view of the location of the drainage indwelling soft needle of the present invention; Figure 4 This is a structural diagram of the constant pressure buffer mechanism of the present invention; Figure 5This is a cross-sectional view of the constant pressure buffer mechanism of the present invention; Figure 6 This is a cross-sectional view of the position of the air washing and anti-backflow mechanism of the present invention; Figure 7 For the present invention Figure 6 A in the middle is an enlarged structural diagram; Figure 8 This is a structural diagram of the guide support mechanism of the present invention; Figure 9 This is a schematic diagram of the explosion structure at the position of the guide support mechanism of the present invention; Figure 10 This is a schematic diagram of the explosion structure at the location of the safety interception structure of the present invention; Figure 11 This is a cross-sectional view of the hydraulic conversion mechanism of the present invention; Figure 12 This is a cross-sectional view of the connection structure between the guide support mechanism and the safety cut-off structure.

[0023] In the figure: 101, drainage tube at the distal end; 102, air washing needle; 103, intermediate drainage tube; 104, installation fat tube; 105, drainage tube at the proximal end; 106, docking male connector; 107, anti-return one-way valve; 108, side extension female connector; 109, support head; 110, first rubber block; 111, drainage indwelling soft needle; 112, bypass hole; 113, push-in needle; 201, side support tube; 202, side through hole; 203, support sleeve; 204, isolation elastic mold; 205, side extension head; 206, hydraulic conduit; 301, hydraulic cylinder; 302, end support ring; 303, hydraulic piston; 304, piston column; 305, connecting piece; 306, buffer spring; 307, pressure ball head; 401, support frame; 4 02. Guide beam; 403. Guide slide groove; 404. Positioning hole; 405. Top cover; 406. Guide frame; 407. Guide waist hole; 408. Side cover; 501. Transverse frame; 502. Compression spring; 503. Toggle block; 504. Lifting guide hole; 505. Positioning block; 506. Locking spring; 507. Return spring; 508. Pipe pressing wheel; 601. Air washing box; 602. Transparent window; 603. Base; 604. Battery; 605. Connecting tube; 606. Second rubber plug; 607. Internal connecting tube; 608. Electromagnet; 609. Pump air piston; 610. Armature; 611. Pump air spring; 612. Exhaust pipe; 613. Intake check valve; 614. Exhaust check valve; 615. Exhaust pin. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-12 , a drainage device for patients after surgery for pneumothorax, comprising: a drainage puncture mechanism, a constant pressure buffer mechanism is provided on the surface of the drainage puncture mechanism, one end of the constant pressure buffer mechanism is provided with a hydraulic conversion mechanism, a guide support mechanism is provided on the surface of the hydraulic conversion mechanism, and the guide support mechanism is movably installed on the surface of the drainage puncture mechanism, a safety cut-off structure is provided inside the guide support mechanism, and a washing anti-backflow mechanism is provided at the drainage output end of the drainage puncture mechanism. Through the drainage puncture mechanism, constant pressure buffer mechanism, hydraulic conversion mechanism, guide support mechanism, safety cut-off structure and washing anti-backflow mechanism, buffering can be achieved through the cooperation of the constant pressure buffer mechanism and the hydraulic conversion mechanism during use, avoiding excessive suction causing excessive drainage, thereby reducing the situation of mediastinal swing and inducing arrhythmia.

[0026] Among them; the drainage puncture mechanism includes a free-end drainage tube 101, a gas washing needle 102, an intermediate drainage tube 103, an installation fat tube 104, a proximal drainage tube 105, a docking male connector 106 and an anti-return one-way valve 107. The gas washing needle 102 is fixedly installed at the drainage output end of the free-end drainage tube 101, the installation fat tube 104 is fixedly connected to the end of the intermediate drainage tube 103 away from the free-end drainage tube 101, the proximal drainage tube 105 is fixedly connected to the end of the installation fat tube 104 away from the intermediate drainage tube 103, the docking male connector 106 is fixedly connected to one end of the proximal drainage tube 105, and the anti-return one-way valve 107 is fixedly installed inside the installation fat tube 104, and the anti-return one-way valve 107 is unidirectionally conductive to the intermediate drainage tube 103.

[0027] Among them, the drainage puncture mechanism also includes a side extension female head 108, a support head 109, a first rubber block 110, a drainage indwelling soft needle 111, a bypass hole 112 and a push-in needle 113. The side extension female head 108 is integrally arranged on the surface of the support head 109, and the side extension female head 108 is threadedly connected to the docking male head 106. The first rubber block 110 is fixedly connected to the inside of the support head 109, the drainage indwelling soft needle 111 is fixedly connected to one end of the support head 109, the bypass hole 112 runs through the surface of one end of the drainage indwelling soft needle 111, and the push-in needle 113 It is movably inserted between the drainage indwelling soft needle 111 and the first rubber block 110. Through the provision of the off-body drainage tube 101, the air washing needle 102, the middle drainage tube 103, the installation fat tube 104, the proximal drainage tube 105, the docking male connector 106, the anti-return one-way valve 107, the side extension female connector 108, the support head 109, the first rubber block 110, the drainage indwelling soft needle 111, the bypass hole 112 and the push-in needle 113, it can form an array drainage through multiple bypass holes 112 during use, thereby avoiding easy blockage of the bypass hole 112 and ensuring smooth drainage.

[0028] Among them; the constant pressure buffer mechanism includes a side support tube 201, a side through hole 202, a support shell 203, an isolation elastic mold 204, a side extension head 205 and a hydraulic conduit 206. The side support tube 201 is fixedly connected between the off-body drainage tube 101 and the middle drainage tube 103. The side through hole 202 is opened through the surface of the side support tube 201. The support shell 203 is fixedly sleeved on the surface of the side support tube 201. The isolation elastic mold 204 is fixedly connected to the inner wall of the support shell 203. The side extension head 205 is integrally arranged on the surface of the support shell 203. The hydraulic conduit 206 is fixedly connected to the surface of the side extension head 205. Through the arranged side support tube 201, side through hole 202, support shell 203, isolation elastic mold 204, side extension head 205 and hydraulic conduit 206, the transmission fluid and exhaust gas can be isolated through the isolation elastic mold 204 during drainage, but it is ensured that the pressure change of the exhaust gas can be transmitted to the transmission fluid to realize hydraulic transmission.

[0029] The hydraulic conversion mechanism includes a hydraulic cylinder 301, an end support ring 302, a hydraulic piston 303, a piston column 304, a connecting piece 305, a buffer spring 306 and a pressure ball head 307. The hydraulic cylinder 301 is fixedly connected to one end of the hydraulic conduit 206, the end support ring 302 is fixedly connected to one end of the hydraulic cylinder 301, the hydraulic piston 303 is slidably connected to the inner wall of the hydraulic cylinder 301, the piston column 304 is fixedly plugged into one end of the hydraulic piston 303, and the surface of the piston column 304 is slidably connected to the inner wall of the end support ring 302, the connecting piece 305 is fixedly connected to one end of the piston column 304, and the surface of the connecting piece 305 is slidably connected to the surface of the hydraulic cylinder 301 and the inner wall of the end support ring 302. The surface of the end support ring 302 is slidably connected, the buffer spring 306 is movably sleeved on the surface of the piston column 304, the pressure ball head 307 is fixedly connected to the surface of one end of the connecting piece 305, and transmission fluid is arranged between the hydraulic cylinder 301 and the isolation elastic mold 204. Through the arranged hydraulic cylinder 301, end support ring 302, hydraulic piston 303, piston column 304, connecting piece 305, buffer spring 306 and pressure ball head 307, the hydraulic transmission signal can be converted into a mechanical motion signal, and the buffering of the buffer spring 306 can be transmitted to the isolation elastic mold 204 through the hydraulic transmission inside the hydraulic cylinder 301, thereby ensuring the smoothness of drainage and reducing the volatility during drainage.

[0030] Among them, the guide support mechanism includes a support frame 401, a guide beam 402, a guide slot 403, a positioning hole 404 and a top cover 405. The support frame 401 is fixedly connected to the surface of the hydraulic cylinder 301, the guide beam 402 is integrally arranged inside the support frame 401, the guide slot 403 is embedded in the upper surface of the guide beam 402, and the inner wall of the guide slot 403 is slidably connected to the surface of the pressure ball head 307, the positioning hole 404 passes through the inner wall of one end of the guide slot 403, and the top cover 405 is fixedly sleeved on the surface of the support frame 401.

[0031] Among them, the guide support mechanism also includes a guide frame 406, a guide waist hole 407 and a side cover 408. The guide frame 406 is fixedly connected to the bottom of the support frame 401, and the guide frame 406 is movably sleeved on the surface of the proximal drainage tube 105. The guide waist hole 407 runs through the surface of the guide frame 406, and the side covers 408 are respectively fixedly connected to both sides of the guide frame 406. Through the support frame 401, guide beam 402, guide slide groove 403, positioning hole 404, top cover 405, guide frame 406, guide waist hole 407 and side cover 408, the guide slide groove 403 and positioning hole 404 can be used to limit the guiding position during use to ensure that the lateral movement frame 501 is not triggered to rebound during small fluctuations. When the drainage suction force is too large, the pressure ball head 307 is inserted into the positioning hole 404 to trigger the lateral movement frame 501 to rebound.

[0032] The safety cutoff structure includes a transverse frame 501, a compression spring 502, a toggle block 503, a lifting guide hole 504, a positioning block 505, a locking spring 506, a return spring 507 and a pipe pressing wheel 508. The transverse frame 501 is slidably connected between the support frame 401 and the transverse frame 501. The compression spring 502 and the toggle block 503 are integrally arranged on both sides of the transverse frame 501. The lifting guide hole 504 runs through the surface of the transverse frame 501. The positioning block 505 is slidably connected to the inner wall of the top of the transverse frame 501, and the surface of the positioning block 505 is slidably connected to the inner wall of the positioning hole 404. The locking spring 506 is movably arranged between the positioning block 505 and the transverse frame 50 1, the return spring 507 is movably arranged between the pressure spring piece 502 and the side cover 408, the tube pressing wheel 508 is slidably connected to the inner wall of the guide frame 406, and a wheel axle is fixedly inserted in the middle of the tube pressing wheel 508, and the surfaces of the wheel axle are slidably connected to the inner wall of the guide waist hole 407 and the inner wall of the lifting guide hole 504 respectively. Through the set transverse frame 501, pressure spring piece 502, toggle block 503, lifting guide hole 504, positioning block 505, locking spring 506, return spring 507 and tube pressing wheel 508, the tube pressing wheel 508 can be moved up and down by moving the transverse frame 501 during use, thereby realizing the opening and unlocking control of the proximal end drainage tube 105.

[0033] Among them; the air washing anti-backflow mechanism includes an air washing box 601, a transparent window 602, a base 603, a battery 604, a connecting tube 605 and a second rubber plug 606, the transparent window 602 is fixedly installed on both sides of the air washing box 601, the base 603 is fixedly connected to the bottom of the air washing box 601, the battery 604 is fixedly installed inside the base 603, the second rubber plug 606 is fixedly connected to the inner wall of the air washing box 601 through the connecting tube 605, and the number of the second rubber plugs 606 is two, and the air washing pin 102 is fixedly inserted into the inside of one of the second rubber plugs 606.

[0034] Among them, the air washing anti-backflow mechanism also includes an inner tube 607, an electromagnet 608, a pumping air piston 609, an armature 610, a pumping air spring 611, an exhaust pipe 612, an air inlet check valve 613, an exhaust check valve 614 and an exhaust pin 615. The inner tube 607 is fixedly inserted into the interior of the air washing box 601, the electromagnet 608 is fixedly installed in the interior of the inner tube 607, the pumping air piston 609 is slidably connected to the interior of the inner tube 607, the armature 610 is fixedly installed in the interior of the pumping air piston 609, the pumping air spring 611 is movably installed between the electromagnet 608 and the armature 610, the exhaust pipe 612 is fixedly connected to the bottom of the inner tube 607, and one end of the exhaust pipe 612 passes through the second rubber plug One end of 606 extends to the outside of the air washing box 601, and the air intake check valve 613 and the exhaust check valve 614 are fixedly installed at the bottom of the inner tube 607, and the exhaust check valve 614 is connected to the exhaust pipe 612, and the exhaust pin 615 is fixedly connected to one end of the exhaust pipe 612. Through the arrangement of the air washing box 601, transparent window 602, base 603, battery 604, connecting tube 605, second rubber stopper 606, inner tube 607, electromagnet 608, pump air piston 609, armature 610, pump air spring 611, exhaust pipe 612, air intake check valve 613, exhaust check valve 614 and exhaust pin 615, it can achieve air washing and assist pumping and drainage.

[0035] Working principle: During installation, insert the exhaust pin 615 into the external waste liquid bag, pump the scrubbing liquid into the scrubbing box 601 through a syringe, and ensure that the liquid level is lower than the air inlet check valve 613, and insert the scrubbing pin 102 into the second rubber stopper 606; The toggle block 503 is toggled toward the support housing 203, and the toggle block 503 drives the transverse frame 501 to slide until the transverse frame 501 slides below the locking hole 404. At this time, the locking block 505 is locked in the locking hole 404. When the transverse frame 501 slides, the lifting guide hole 504 toggles the wheel shaft so that the tube pressing wheel 508 slides up along the guide waist hole 407. The tube pressing wheel 508 releases the pressure on the proximal drainage tube 105. At the same time, when the transverse frame 501 slides, it squeezes the return spring 507 to contract and store energy. During puncture, the drainage indwelling soft needle 111 and the push-in needle 113 are simultaneously inserted into the pneumothorax so that the bypass hole array 112 is located inside the gas. The push-in needle 113 is then withdrawn, and the wound is treated and fixed before drainage is performed. During drainage, the switch of the electromagnet 608 is turned on, and the electromagnet 608 is periodically turned on and off, so that the armature 610 is periodically attracted and then pushed back to its original position by the pump spring 611, thereby causing the pump piston 609 to rise and fall periodically. When the pump piston 609 rises and falls periodically, the inside of the washing box 601 is continuously pumped outward through the one-way conduction of the intake check valve 613 and the exhaust check valve 614, thereby forming a suction negative pressure. At this time, the gas in the abdominal cavity will automatically enter the washing box 601 along the drainage puncture mechanism. When the gas produces fast and slow fluctuations, the isolation elastic mold 204 will shrink or expand accordingly, thereby forming an internal buffer. During buffering, the contraction amplitude of the isolation elastic mold 204 is The hydraulic transmission drives the hydraulic piston 303 to slide slightly, and the piston column 304 and the connecting piece 305 drive the pressure ball head 307 to slide slightly along the guide groove 403. When the suction is too fast, the pressure ball head 307 slides into the positioning hole 404 and squeezes out the positioning block 505. The lower position of the transverse frame 501 is released, and the reset spring 507 rebounds and pushes the transverse frame 501 to slide to the left and reset until the transverse frame 501 slides to the end of the position. When the transverse frame 501 slides, the lifting guide hole 504 drives the wheel shaft to make the tube pressing wheel 508 slide down along the guide waist hole 407. The tube pressing wheel 508 squeezes the proximal drainage tube 105 to close it, thereby avoiding damage to the patient caused by excessive suction.

[0036] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A drainage device for patients after pneumothorax surgery, characterized in that: include: A drainage puncture mechanism is provided on the surface of the drainage puncture mechanism, a constant pressure buffer mechanism is provided at one end of the constant pressure buffer mechanism, a guide support mechanism is provided on the surface of the hydraulic conversion mechanism, and the guide support mechanism is movably installed on the surface of the drainage puncture mechanism, a safety interception structure is provided inside the guide support mechanism, and a washing anti-backflow mechanism is provided at the drainage output end of the drainage puncture mechanism.

2. A drainage device for postoperative pneumothorax patients according to claim 1, characterized in that: The drainage puncture mechanism comprises a drainage tube at the off-body end (101), a gas washing needle (102), an intermediate drainage tube (103), a mounting fat tube (104), a proximal drainage tube (105), a docking male connector (106) and an anti-return one-way valve (107), wherein the gas washing needle (102) is fixedly mounted on the drainage output end of the drainage tube at the off-body end (101), and the mounting fat tube (104) is fixedly connected to the distal end of the intermediate drainage tube (103). One end of the proximal drainage tube (101) is away from the body end, the proximal drainage tube (105) is fixedly connected to one end of the installation fat tube (104) away from the middle drainage tube (103), the docking male connector (106) is fixedly connected to one end of the proximal drainage tube (105), the anti-return one-way valve (107) is fixedly installed inside the installation fat tube (104), and the anti-return one-way valve (107) is unidirectionally conducted to the middle drainage tube (103).

3. A drainage device for postoperative pneumothorax patients according to claim 2, characterized in that: The drainage puncture mechanism further comprises a side extension female head (108), a support head (109), a first rubber block (110), a drainage indwelling soft needle (111), a bypass hole (112) and a push-in needle (113), wherein the side extension female head (108) is integrally arranged on the surface of the support head (109), and the side extension female head (108) is threadedly connected to the docking male head (106), the first rubber block (110) is fixedly connected to the inside of the support head (109), the drainage indwelling soft needle (111) is fixedly connected to one end of the support head (109), the bypass hole (112) penetrates the surface of one end of the drainage indwelling soft needle (111), and the push-in needle (113) is movably inserted between the drainage indwelling soft needle (111) and the first rubber block (110).

4. A drainage device for postoperative pneumothorax patients according to claim 2, characterized in that: The constant pressure buffer mechanism comprises a side support tube (201), a side through hole (202), a support sleeve (203), an isolation elastic mold (204), a side extension head (205) and a hydraulic conduit (206); the side support tube (201) is fixedly connected between the off-body drainage tube (101) and the intermediate drainage tube (103); the side through hole (202) is opened through the surface of the side support tube (201); the support sleeve (203) is fixedly sleeved on the surface of the side support tube (201); the isolation elastic mold (204) is fixedly connected to the inner wall of the support sleeve (203); the side extension head (205) is integrally arranged on the surface of the support sleeve (203); and the hydraulic conduit (206) is fixedly connected to the surface of the side extension head (205).

5. A drainage device for patients after pneumothorax surgery according to claim 4, characterized in that: The hydraulic conversion mechanism comprises a hydraulic cylinder (301), an end support ring (302), a hydraulic piston (303), a piston column (304), a connecting piece (305), a buffer spring (306) and a pressure ball head (307), wherein the hydraulic cylinder (301) is fixedly connected to one end of the hydraulic conduit (206), the end support ring (302) is fixedly connected to one end of the hydraulic cylinder (301), the hydraulic piston (303) is slidably connected to the inner wall of the hydraulic cylinder (301), and the piston column (304) is fixedly plugged into one end of the hydraulic piston (303). The piston rod (304) is fixedly connected to the inner wall of the end support ring (302), and the surface of the connecting piece (305) is slidably connected to one end of the piston rod (304). The surface of the connecting piece (305) is slidably connected to the surface of the hydraulic cylinder (301) and the surface of the end support ring (302). The buffer spring (306) is movably sleeved on the surface of the piston rod (304). The pressure ball head (307) is fixedly connected to the surface of one end of the connecting piece (305), and a transmission fluid is provided between the hydraulic cylinder (301) and the isolation elastic mold (204).

6. A drainage device for postoperative pneumothorax patients according to claim 5, characterized in that: The guide support mechanism comprises a support frame (401), a guide beam (402), a guide slot (403), a locking hole (404) and a top cover (405); the support frame (401) is fixedly connected to the surface of the hydraulic cylinder (301); the guide beam (402) is integrally arranged inside the support frame (401); the guide slot (403) is embedded in the upper surface of the guide beam (402); the inner wall of the guide slot (403) is slidably connected to the surface of the pressure ball head (307); the locking hole (404) passes through the inner wall of one end of the guide slot (403); and the top cover (405) is fixedly sleeved on the surface of the support frame (401).

7. A drainage device for postoperative pneumothorax patients according to claim 6, characterized in that: The guide support mechanism also includes a guide frame (406), a guide waist hole (407) and a side cover (408), wherein the guide frame (406) is fixedly connected to the bottom of the support frame (401), and the guide frame (406) is movably sleeved on the surface of the proximal drainage tube (105), the guide waist hole (407) is opened through the surface of the guide frame (406), and the side cover (408) is fixedly connected to both sides of the guide frame (406).

8. A drainage device for postoperative pneumothorax patients according to claim 7, characterized in that: The safety interception structure comprises a transverse frame (501), a compression spring (502), a toggle block (503), a lifting guide hole (504), a positioning block (505), a locking spring (506), a return spring (507) and a pipe pressing wheel (508); the transverse frame (501) is slidably connected between the support frame (401) and the transverse frame (501); the compression spring (502) and the toggle block (503) are both integrally arranged on both sides of the transverse frame (501); the lifting guide hole (504) is opened through the surface of the transverse frame (501); the positioning block (505) is slidably connected to the support frame (401) and the transverse frame (501); On the inner wall of the top of the transverse frame (501), the surface of the positioning block (505) is slidably connected to the inner wall of the positioning hole (404), the locking spring (506) is movably set between the positioning block (505) and the transverse frame (501), the return spring (507) is movably set between the compression spring sheet (502) and the side cover (408), the pipe pressing wheel (508) is slidably connected to the inner wall of the guide frame (406), and a wheel axle is fixedly inserted in the middle of the pipe pressing wheel (508), and the surface of the wheel axle is slidably connected to the inner wall of the guide waist hole (407) and the inner wall of the lifting guide hole (504).

9. The postoperative drainage device for pneumothorax patients according to claim 2, characterized in that: The air washing anti-backflow mechanism comprises an air washing box (601), a transparent window (602), a base (603), a battery (604), a connecting tube (605) and a second rubber plug (606), wherein the transparent window (602) is fixedly mounted on both sides of the air washing box (601), the base (603) is fixedly connected to the bottom of the air washing box (601), the battery (604) is fixedly mounted inside the base (603), the second rubber plug (606) is fixedly connected to the inner wall of the air washing box (601) through the connecting tube (605), and there are two second rubber plugs (606), and the air washing pin (102) is fixedly plugged into the inside of one of the second rubber plugs (606).

10. The postoperative drainage device for pneumothorax patients according to claim 9, characterized in that: The air washing anti-backflow mechanism further comprises an inner connecting tube (607), an electromagnet (608), an air pumping piston (609), an armature (610), an air pumping spring (611), an exhaust pipe (612), an air intake check valve (613), an exhaust check valve (614) and an exhaust pin (615), wherein the inner connecting tube (607) is fixedly plugged into the interior of the air washing box (601), the electromagnet (608) is fixedly installed in the interior of the inner connecting tube (607), the air pumping piston (609) is slidably connected to the interior of the inner connecting tube (607), and the armature (610) is fixedly installed in the air pumping piston (609). The pump gas spring (611) is movably installed between the electromagnet (608) and the armature (610), the exhaust pipe (612) is fixedly connected to the bottom of the inner tube (607), and one end of the exhaust pipe (612) passes through one end of the second rubber stopper (606) and extends to the outside of the air washing box (601), the air intake check valve (613) and the exhaust check valve (614) are both fixedly installed at the bottom of the inner tube (607), and the exhaust check valve (614) is connected to the exhaust pipe (612), and the exhaust pin (615) is fixedly connected to one end of the exhaust pipe (612).

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