CN110898261B - An anti-clogging drainage device for thoracic surgery that can accurately control pressure difference - Google Patents

Abstract

Translated fromChinese

本发明公开了一种可准确控制压强差的胸外科防堵引流装置，具体涉及胸外科防堵引流装置领域，包括引流管和收集箱，所述引流管固定设于收集箱一端，所述引流管包括一号导管、二号导管和三号导管，所述二号导管固定设于一号导管与三号导管之间，所述一号导管与二号导管之间固定设有一号连接囊，所述二号导管与三号导管之间固定设有二号连接囊，所述二号导管中部固定设有处理筒，所述一号导管、二号导管和三号导管均包括支撑片及软胶管，且软胶管固定设于支撑片侧面，所述一号连接囊的内壁顶部和二号连接囊的内壁顶部均固定设有垫片。本发明可防止弯折过度而堵塞，便于夹紧停止引流，结构简单，使用方便，可准确控制压强差。

The invention discloses a thoracic surgery anti-clogging and drainage device capable of accurately controlling pressure difference, in particular to the field of thoracic surgery anti-clogging and drainage devices, comprising a drainage tube and a collection box, wherein the drainage tube is fixedly arranged at one end of the collection box, and the drainage The pipe includes a No. 1 catheter, a No. 2 catheter and a No. 3 catheter, the No. 2 catheter is fixedly arranged between the No. 1 catheter and the No. 3 catheter, and a No. 1 connecting bag is fixed between the No. 1 catheter and the No. 2 catheter, The No. 2 connecting bag is fixed between the No. 2 catheter and the No. 3 catheter, the middle of the No. 2 catheter is fixed with a processing tube, and the No. 1 catheter, the No. 2 catheter and the No. 3 catheter all include a support sheet and a soft The rubber tube is fixed on the side of the support sheet, and the top of the inner wall of the No. 1 connecting bag and the top of the inner wall of the No. 2 connecting bag are fixed with a gasket. The invention can prevent excessive bending and blockage, is convenient for clamping to stop drainage, has a simple structure, is convenient to use, and can accurately control the pressure difference.

Description

Thoracic surgery anti-blocking drainage device capable of accurately controlling pressure difference

Technical Field

The invention relates to the field of thoracic surgery anti-blocking drainage devices, in particular to a thoracic surgery anti-blocking drainage device capable of accurately controlling pressure difference.

Background

Closed drainage of thoracic cavity is to put one end of the drainage tube into the thoracic cavity, and the other end is connected to a water-sealed bottle lower than the drainage tube, so as to discharge gas or collect liquid in the thoracic cavity, and to expand the lung tissue again to recover the function.

The drainage tube widely used in clinic is a full-soft rubber tube, and in the using process, the structure is complex, the use is complicated, and the pressure difference is inconvenient to accurately control.

Disclosure of Invention

In order to overcome the above defects in the prior art, the embodiment of the invention provides an anti-blocking drainage device for thoracic surgery, which can accurately control pressure difference, and the technical problems to be solved by the invention are as follows: how to create a semi-soft adhesive material drainage device which is simple and convenient to use.

In order to achieve the purpose, the invention provides the following technical scheme: a thoracic surgery anti-blocking drainage device capable of accurately controlling pressure difference comprises a drainage tube and a collection box, wherein the drainage tube is fixedly arranged at one end of the collection box, the drainage tube comprises a first guide tube, a second guide tube and a third guide tube, the second guide tube is fixedly arranged between the first guide tube and the third guide tube, a first connecting bag is fixedly arranged between the first guide tube and the second guide tube, a second connecting bag is fixedly arranged between the second guide tube and the third guide tube, a treatment barrel is fixedly arranged in the middle of the second guide tube, the first guide tube, the second guide tube and the third guide tube respectively comprise a supporting sheet and a flexible rubber tube, the flexible rubber tube is fixedly arranged on the side surface of the supporting sheet, gaskets are fixedly arranged on the top of the inner wall of the first connecting bag and the top of the inner wall of the second connecting bag, a first diversion hole is formed in one end, close to the first connecting bag, of the supporting sheet of the second guide tube, and the first diversion hole is positioned in the first connecting bag, the backing sheet of No. three pipes is close to the one end of No. two connection bags and has been seted up No. two water conservancy diversion holes, and No. two water conservancy diversion holes are located No. two connection bags inside, inside water conservancy diversion chamber and the impurity chamber of being equipped with of a processing section of thick bamboo, and the impurity chamber is located water conservancy diversion chamber periphery, fixed filter screen and the guide piece of being equipped with in the inside top in water conservancy diversion chamber, and the guide piece is located the filter screen top, be equipped with the opening between filter screen and the guide piece, and the opening intercommunication is located between water conservancy diversion chamber and the impurity chamber.

The implementation mode is as follows: the extracted liquid firstly enters the inside of the first guide pipe and then enters the inside of the third guide pipe through the second guide pipe, in the extraction process, the support sheet can support the flexible rubber pipe to keep the position of the flexible rubber pipe still, meanwhile, the support sheet at the bottom of the first guide pipe and the support sheet at one side of the top of the second guide pipe are close to the edge of a sickbed, the blockage caused by excessive bending of the flexible rubber pipe can be prevented, the vertically arranged second guide pipe enables the liquid to vertically fall down when entering the flow guide cavity, the guide sheet is arranged in a hollow round table shape, one end with a smaller diameter is arranged at the bottom, the liquid and mixed impurities can be guided to fall to the center of the top of the filter screen, the filter screen is arranged in a hemispherical shape and an arc surface facing the top, the liquid directly passes through the filter screen and falls down, under the washing of the liquid and the guide of the arc surface of the filter screen, the impurities fall to the edge of the filter screen and fall into the impurity cavity through the opening, the blockage can be effectively prevented, when the drainage is required to be stopped, the clamp is clamped at the position of the first connecting bag and the second connecting bag corresponding to the gaskets, the flexible rubber tube can be blocked to stop drainage temporarily so as to replace the liquid receiving box, the sealing effect is good, the operation is simple, when the clamp is actually used, no matter the existing drainage tube or the drainage tube of the invention needs to be bent, the bent part is easy to leak, the outer surfaces of the first connecting bag and the second connecting bag are arranged in a full-closed mode, the bent connecting part of the first conduit and the second conduit and the bent connecting part of the second conduit and the third conduit can be protected, when liquid leaks carelessly, the liquid can flow into the first connecting bag and the second connecting bag, the first connecting bag is communicated with the second conduit through the first flow guide hole, the second connecting bag is communicated with the third conduit through the second flow guide hole, and the liquid in the first connecting bag and the second connecting bag can flow back to the inner parts of the second conduit and the third conduit to be discharged, the first connecting bag and the second connecting bag are made of medical silica gel materials, have certain shaping characteristics, can clamp and seal a bent part, and can keep a certain shape under negative pressure so as to be protected.

In a preferred embodiment, a connecting rod is fixedly arranged between the drainage tube and the collecting box, and the connecting rod is fixedly connected with a supporting sheet of the third conduit, so that the supporting sheet and the treatment barrel can be conveniently fixed.

In a preferred embodiment, a connecting pipe and a third connecting bag are fixedly arranged between the drainage pipe and the collecting box, and the third connecting bag is positioned between the drainage pipe and the connecting pipe, so that liquid can be conveniently introduced into the liquid receiving box.

In a preferred embodiment, a connector is fixedly arranged at one end of the first guide pipe, which is far away from the second guide pipe, and the connector is communicated with the flexible rubber hose of the first guide pipe, so that the first guide pipe can be connected with the chest and lung of a patient to be used as an extraction head.

In a preferred embodiment, a negative pressure pump is fixedly installed at one end of the interior of the collecting box far away from the connecting pipe, and the negative pressure pump is located at the top end of the interior of the collecting box, so that stable negative pressure can be formed in the interior of the collecting box during operation.

In a preferred embodiment, the bottom end inside the collecting box is provided with a placing groove, and a liquid receiving box is movably arranged inside the placing groove and is positioned at the bottom of the connecting pipe, so that liquid can be conveniently collected.

In a preferred embodiment, the first guide pipe and the third guide pipe are both obliquely arranged, the first guide pipe and the third guide pipe are arranged in parallel, and the second guide pipe is vertically arranged.

In a preferred embodiment, the end surface of the flexible rubber hose is in a preferred arc shape, the support sheet of the first conduit is arranged towards the bottom, the support sheet of the second conduit is divided into two sections, one section of the support sheet is positioned on one side of the top of the second conduit, the other section of the support sheet is positioned on the other side of the bottom of the second conduit, and the support sheet of the third conduit is arranged towards the top.

The invention has the technical effects and advantages that:

through setting up backing sheet and flexible glue pipe, can keep the position of flexible glue pipe motionless, the follow-up accurate control pressure difference of being convenient for prevents simultaneously that flexible glue pipe from buckling excessively and stopping up, connects the bag through being equipped with one and No. two, and the tight drainage that stops of clamp of being convenient for can prevent simultaneously that the phenomenon of weeping from appearing in the bend, through setting up No. two pipes and a processing section of thick bamboo, is convenient for screen the impurity in the liquid, avoids appearing blocking phenomenon, and overall structure is simple, and convenient to use can accurate control pressure difference.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the first catheter structure of the present invention.

Fig. 3 is a schematic cross-sectional view of a first connecting capsule of the present invention.

Fig. 4 is a schematic cross-sectional view of the second connecting capsule of the present invention.

FIG. 5 is a schematic cross-sectional view of the treatment canister of the present invention.

Fig. 6 is a schematic sectional view of the third connecting capsule of the present invention.

Fig. 7 is a sectional structure schematic diagram of the collecting box of the invention.

The reference signs are: thedrainage tube 1, thecollection box 2, theguide tube 3, theguide tube 4, theguide tube 5, theguide tube 6, theconnection bag 7, thetreatment tube 8, theconnection rod 9, theconnection tube 10, theconnector 11, thesupport sheet 12, theflexible rubber tube 13, theguide hole 14, thegasket 15, theguide hole 16, theguide cavity 17, theimpurity cavity 18, thefilter screen 19, theguide sheet 20, theopening 21, theconnection bag 22, thenegative pressure pump 23, and theliquid receiving box 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a thoracic surgery anti-blocking drainage device capable of accurately controlling pressure difference, which comprises adrainage tube 1 and acollection box 2, wherein thedrainage tube 1 is fixedly arranged at one end of thecollection box 2, thedrainage tube 1 comprises afirst guide tube 3, asecond guide tube 4 and athird guide tube 5, thesecond guide tube 4 is fixedly arranged between thefirst guide tube 3 and thethird guide tube 5, a first connectingbag 6 is fixedly arranged between thefirst guide tube 3 and thesecond guide tube 4, a second connectingbag 7 is fixedly arranged between thesecond guide tube 4 and thethird guide tube 5, atreatment cylinder 8 is fixedly arranged in the middle of thesecond guide tube 4, thefirst guide tube 3, thesecond guide tube 4 and thethird guide tube 5 respectively comprise asupport sheet 12 and asoft rubber tube 13, thesoft rubber tube 13 is fixedly arranged on the side surface of thesupport sheet 12,gaskets 15 are fixedly arranged on the top of the inner wall of the first connectingbag 6 and the top of the inner wall of the second connectingbag 7, no. twopipe 4's backing sheet 12 is close to the one end of aconnection bag 6 and has seted up a waterconservancy diversion hole 14, and a waterconservancy diversion hole 14 is located aconnection bag 6 inside, No. threepipe 5's backing sheet 12 is close to the one end of No. twoconnection bags 7 and has seted up No. two waterconservancy diversion holes 16, and No. two waterconservancy diversion holes 16 are located No. twoconnection bags 7 inside, handle a section ofthick bamboo 8 inside and be equipped with waterconservancy diversion chamber 17 andimpurity chamber 18, andimpurity chamber 18 is located waterconservancy diversion chamber 17 periphery, thefixed filter screen 19 and theguide piece 20 that are equipped with in the inside top in waterconservancy diversion chamber 17, andguide piece 20 is locatedfilter screen 19 top, be equipped with opening 21 betweenfilter screen 19 and theguide piece 20, and opening 21 intercommunication is located between waterconservancy diversion chamber 17 and theimpurity chamber 18.

A connectingrod 9 is fixedly arranged between thedrainage tube 1 and thecollecting box 2, and the connectingrod 9 is fixedly connected with a supportingsheet 12 of thethird guide tube 5.

A connectingpipe 10 and a third connectingbag 22 are fixedly arranged between thedrainage pipe 1 and thecollecting box 2, and the third connectingbag 22 is positioned between thedrainage pipe 1 and the connectingpipe 10.

The one end that No. twopipes 4 were kept away from topipe 3 is fixed to be equipped withconnector 11, and the intercommunication setting betweenconnector 11 and theflexible glue pipe 13 ofpipe 3.

And anegative pressure pump 23 is fixedly arranged at one end, far away from the connectingpipe 10, of the interior of thecollecting box 2, and thenegative pressure pump 23 is positioned at the top end of the interior of thecollecting box 2.

The inside bottom of collectingbox 2 has seted up the standing groove, and the inside activity of standing groove is equipped with and connectsliquid box 24, connectliquid box 24 to be located the connectingpipe 10 bottom.

No. 3 pipes and No. 5 pipes are the slope setting, and parallel arrangement each other between No. 3 pipes and No. 5 pipes, No. 4 pipes are vertical setting.

The terminal surface offlexible glue pipe 13 is excellent arc setting, thebacking sheet 12 of apipe 3 sets up towards the bottom, thebacking sheet 12 of No. twopipes 4 divide into two sections, and one of them section is located No. twopipe 4 top one side, another section is located No. twopipe 4 bottom opposite side, No. threepipe 5's backing sheet 12 sets up towards the top.

As shown in fig. 1 to 7, the embodiment specifically is: when the device works, theconnector 11 is connected with the chest and lung part of a patient to serve as an extraction head, thenegative pressure pump 23 is connected with an external power supply and a switch, stable negative pressure can be formed in thecollection box 2 when the device works, the pressure in thecollection box 2 is always smaller than that of the chest and lung part of the patient, extracted liquid firstly enters thefirst guide tube 3 and then enters thethird guide tube 5 through thesecond guide tube 4, and finally is discharged to theliquid receiving box 24 through the third connectingbag 22 and theconnecting tube 10 for collection, the connectingrod 9 can fix thesupport sheet 12 and thetreatment barrel 8 during extraction, thesupport sheet 12 can support theflexible rubber tube 13 to keep the position of theflexible rubber tube 13 still, meanwhile, thesupport sheet 12 at the bottom of thefirst guide tube 3 and thesupport sheet 12 at one side of the top of thesecond guide tube 4 are close to the edge of a sickbed, theflexible rubber tube 13 can be prevented from being bent excessively and blocked, and the vertically arrangedsecond guide tube 4 enables the liquid to vertically fall down when entering theflow guide cavity 17, theguide piece 20 is arranged in a hollow round table shape, one end with a smaller diameter is positioned at the bottom, and can guide liquid and mixed impurities to fall to the center of the top of thefilter screen 19, wherein thefilter screen 19 is arranged in a hemispherical shape and the arc surface faces the top, the liquid directly passes through thefilter screen 19 and falls down, the impurities fall to the edge of thefilter screen 19 and fall into theimpurity cavity 18 through theopening 21 under the guidance of the washing of the liquid and the arc surface of thefilter screen 19, so that the blockage can be effectively prevented, when the drainage needs to be stopped, the clamp clamps are clamped at the positions of the first connectingbag 6 and the second connectingbag 7 corresponding to thegasket 15, so that the drainage of theflexible rubber pipe 13 can be stopped temporarily, theliquid receiving box 24 can be replaced, the sealing effect is good, the operation is simple, when the drainage is actually used, the positions of the part of the existing drainage pipe or thedrainage pipe 1 of the invention need to be bent, the liquid leakage phenomenon is more likely to occur at the bent positions, the outer surfaces of the first connectingbag 6 and the second connectingbag 7 are arranged in a closed manner, the protection device can protect the bent connection part of afirst catheter 3 and asecond catheter 4 and the bent connection part of asecond catheter 4 and athird catheter 5, when liquid leakage happens carelessly, liquid can flow into the first connectingbag 6 and the second connectingbag 7, the first connectingbag 6 is communicated with thesecond catheter 4 through the firstflow guide hole 14, the second connectingbag 7 is communicated with thethird catheter 5 through the secondflow guide hole 16, liquid in the first connectingbag 6 and the second connectingbag 7 can conveniently flow back to thesecond catheter 4 and thethird catheter 5 to be discharged, the first connectingbag 6 and the second connectingbag 7 are made of medical silica gel materials, and the protection device has certain shaping characteristics, can clamp and seal the bent part and can keep a certain shape under negative pressure so as to be protected.

The working principle of the invention is as follows:

referring to the attached drawings 1-7 of the specification, theconnector 11 is connected with the chest and lung of a patient to be used as an extraction head, when thenegative pressure pump 23 works, stable negative pressure can be formed in thecollection box 2, the extracted liquid firstly enters thefirst conduit 3, then enters thethird conduit 5 through thesecond conduit 4, and finally is discharged to the interior of theliquid receiving box 24 through the third connectingbag 22 and the connectingpipe 10 for collection, in the extraction process, the connectingrod 9 and the supportingsheet 12 can support thesoft rubber pipe 13 to keep the position of the soft rubber pipe fixed, meanwhile, the supportingsheet 12 at the bottom of thefirst conduit 3 and the supportingsheet 12 at one side of the top of thesecond conduit 4 are close to the edge of a sickbed, so that thesoft rubber pipe 13 can be prevented from being excessively bent and blocked, the vertically arrangedsecond conduit 4 enables the liquid to vertically fall when entering theflow guide cavity 17, theguide sheet 20 can guide the liquid and mixed impurities to fall to the center of the top of thefilter screen 19, and the liquid directly passes through thefilter screen 19 and falls, the impurities fall to the edge of thefilter screen 19 and fall into theimpurity cavity 18 through theopening 21, so that the blockage can be effectively prevented, when the drainage is required to be stopped, the clamp is clamped at the parts of the first connectingbag 6 and the second connectingbag 7 corresponding to thegasket 15, theflexible rubber tube 13 can be blocked to stop drainage temporarily so as to replace theliquid receiving box 24, the outer surfaces of the first connectingbag 6 and the second connectingbag 7 are arranged in a totally-closed manner, the bent connection part of thefirst guide pipe 3 and thesecond guide pipe 4 and the bent connection part of thesecond guide pipe 4 and thethird guide pipe 5 can be protected, when liquid leakage happens accidentally, the liquid flows into the first connectingbag 6 and the second connectingbag 7, the first connectingbag 6 is communicated with thesecond conduit 4 through thefirst diversion hole 14, and the second connectingbag 7 is communicated with thethird conduit 5 through a secondflow guide hole 16, so that the liquid in the first connectingbag 6 and the second connectingbag 7 can flow back to thesecond conduit 4 and thethird conduit 5 for discharge.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

Translated fromChinese

1.一种可准确控制压强差的胸外科防堵引流装置，包括引流管(1)和收集箱(2)，所述引流管(1)固定设于收集箱(2)一端，其特征在于：所述引流管(1)包括一号导管(3)、二号导管(4)和三号导管(5)，所述二号导管(4)固定设于一号导管(3)与三号导管(5)之间，所述一号导管(3)远离二号导管(4)的一端固定设有连接头(11)，且连接头(11)与一号导管(3)的软胶管(13)之间连通设置，在工作时，连接头(11)连接患者的胸肺部作为抽取头，收集箱(2)内部形成稳定的负压，所述一号导管(3)与二号导管(4)之间固定设有一号连接囊(6)，所述二号导管(4)与三号导管(5)之间固定设有二号连接囊(7)，所述二号导管(4)中部固定设有处理筒(8)，所述一号导管(3)、二号导管(4)和三号导管(5)均包括支撑片(12)及软胶管(13)，且软胶管(13)固定设于支撑片(12)侧面，所述一号连接囊(6)的内壁顶部和二号连接囊(7)的内壁顶部均固定设有垫片(15)，所述二号导管(4)的支撑片(12)靠近一号连接囊(6)的一端开设有一号导流孔(14)，且一号导流孔(14)位于一号连接囊(6)内部，所述三号导管(5)的支撑片(12)靠近二号连接囊(7)的一端开设有二号导流孔(16)，且二号导流孔(16)位于二号连接囊(7)内部，所述处理筒(8)内部设有导流腔(17)和杂质腔(18)，且杂质腔(18)位于导流腔(17)外周，所述导流腔(17)内部顶端固定设有滤网(19)和引导片(20)，且引导片(20)位于滤网(19)顶部，所述滤网(19)与引导片(20)之间设有开口(21)，且开口(21)连通设于导流腔(17)与杂质腔(18)之间，通过一号导管(3)、二号导管(4)、三号导管(5)以及导管间的连接囊的设置,使得胸腔闭式引流过程中避免出现堵塞和弯曲处泄漏的问题。1. a thoracic surgery anti-blocking drainage device that can accurately control the pressure difference, comprising a drainage tube (1) and a collection box (2), and the drainage tube (1) is fixedly arranged on one end of the collection box (2), it is characterized in that : The drainage tube (1) includes a No. 1 conduit (3), a No. 2 conduit (4) and a No. 3 conduit (5), and the No. 2 conduit (4) is fixed on the No. 1 conduit (3) and the No. 3 conduit (5). Between the conduits (5), one end of the No. 1 conduit (3) away from the No. 2 conduit (4) is fixedly provided with a connecting head (11), and the connecting head (11) and the soft rubber tube ( 13) are communicated with each other, when working, the connecting head (11) connects the chest and lungs of the patient as an extraction head, and a stable negative pressure is formed inside the collection box (2), the No. 1 conduit (3) and the No. 2 conduit (4) No. 1 connecting bag (6) is fixedly arranged between the No. 2 catheter (4) and No. 3 catheter (5), and a No. 2 connecting bag (7) is fixedly arranged between the No. 2 catheter (4) and the No. 3 catheter (5). ) is fixedly provided with a processing cylinder (8) in the middle, and the No. 1 conduit (3), No. 2 conduit (4) and No. 3 conduit (5) all include a support sheet (12) and a soft rubber tube (13), and the soft rubber tube (13) is fixed on the side of the support sheet (12), the top of the inner wall of the No. 1 connecting bag (6) and the top of the inner wall of the No. 2 connecting bag (7) are fixedly provided with a gasket (15). One end of the support piece (12) of the catheter (4) close to the No. 1 connecting bag (6) is provided with a No. 1 guide hole (14), and the No. 1 guide hole (14) is located inside the No. 1 connecting bag (6), so The support sheet (12) of the No. 3 catheter (5) is provided with a No. 2 guide hole (16) at one end close to the No. 2 connecting bag (7), and the No. 2 guide hole (16) is located in the No. 2 connecting bag (7). ) inside, a guide cavity (17) and an impurity cavity (18) are arranged inside the processing cylinder (8), and the impurity cavity (18) is located on the outer periphery of the guide cavity (17), and the inside of the guide cavity (17) The top end is fixedly provided with a filter screen (19) and a guide piece (20), and the guide piece (20) is located on the top of the filter screen (19), and an opening (21) is provided between the filter screen (19) and the guide piece (20). ), and the opening (21) is communicated between the diversion cavity (17) and the impurity cavity (18), through the No. 1 conduit (3), the No. 2 conduit (4), the No. 3 conduit (5) and the The setting of the connecting bag can avoid the problems of blockage and leakage at the bend during the closed drainage of the thoracic cavity.2.根据权利要求1所述的一种可准确控制压强差的胸外科防堵引流装置，其特征在于：所述引流管(1)与收集箱(2)之间固定设有连接杆(9)，且连接杆(9)与三号导管(5)的支撑片(12)之间固定连接。2. The thoracic surgery anti-blocking and drainage device that can accurately control the pressure difference according to claim 1, wherein a connecting rod (9) is fixedly arranged between the drainage tube (1) and the collecting box (2). ), and the connecting rod (9) is fixedly connected with the support piece (12) of the No. 3 conduit (5).3.根据权利要求1所述的一种可准确控制压强差的胸外科防堵引流装置，其特征在于：所述引流管(1)与收集箱(2)之间固定设有连接管(10)和三号连接囊(22)，且三号连接囊(22)位于引流管(1)与连接管(10)之间。3. The thoracic surgery anti-blocking drainage device capable of accurately controlling the pressure difference according to claim 1, wherein a connecting pipe (10) is fixedly arranged between the drainage pipe (1) and the collecting box (2). ) and the third connecting bag (22), and the third connecting bag (22) is located between the drainage tube (1) and the connecting tube (10).4.根据权利要求3所述的一种可准确控制压强差的胸外科防堵引流装置，其特征在于：所述收集箱(2)内部远离连接管(10)的一端固定安装有负压泵(23)，且负压泵(23)位于收集箱(2)内部顶端。4. A thoracic surgery anti-blocking and drainage device capable of accurately controlling the pressure difference according to claim 3, characterized in that: a negative pressure pump is fixedly installed at one end of the collection box (2) away from the connecting pipe (10) (23), and the negative pressure pump (23) is located at the inner top of the collection tank (2).5.根据权利要求3所述的一种可准确控制压强差的胸外科防堵引流装置，其特征在于：所述收集箱(2)内部底端开设有放置槽，且放置槽内部活动设有接液盒(24)，所述接液盒(24)位于连接管(10)底部。5. The thoracic surgery anti-blocking and drainage device that can accurately control the pressure difference according to claim 3, characterized in that: a placement groove is provided at the inner bottom end of the collection box (2), and the interior of the placement groove is movably provided with a placement groove. A liquid contact box (24), the liquid contact box (24) is located at the bottom of the connecting pipe (10).6.根据权利要求1所述的一种可准确控制压强差的胸外科防堵引流装置，其特征在于：所述一号导管(3)和三号导管(5)均为倾斜设置，且一号导管(3)与三号导管(5)之间相互平行设置，所述二号导管(4)为竖直设置。6. A kind of thoracic surgery anti-blocking and drainage device that can accurately control the pressure difference according to claim 1, it is characterized in that: described No. 1 conduit (3) and No. 3 conduit (5) are inclined setting, and a The No. 1 conduit (3) and the No. 3 conduit (5) are arranged parallel to each other, and the No. 2 conduit (4) is vertically arranged.7.根据权利要求1所述的一种可准确控制压强差的胸外科防堵引流装置，其特征在于：所述软胶管(13)的端面呈优弧形设置，所述一号导管(3)的支撑片(12)朝向底部设置，所述二号导管(4)的支撑片(12)分为两段，且其中一段位于所述二号导管(4)顶部一侧，另一段位于所述二号导管(4)底部另一侧，所述三号导管(5)的支撑片(12)朝向顶部设置。7. A thoracic surgery anti-blocking and drainage device capable of accurately controlling pressure difference according to claim 1, characterized in that: the end face of the soft rubber tube (13) is arranged in a superior arc shape, and the No. 1 catheter (3) ) of the support piece (12) is set towards the bottom, the support piece (12) of the No. 2 conduit (4) is divided into two sections, and one of the sections is located on the top side of the No. 2 conduit (4), and the other section is located at the On the other side of the bottom of the No. 2 conduit (4), the support piece (12) of the No. 3 conduit (5) is disposed toward the top.

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