CN115429959A

CN115429959A - Drainage washing unit

Info

Publication number: CN115429959A
Application number: CN202211257939.7A
Authority: CN
Inventors: 宋春俏; 曹文卓; 崔士猛; 刘倩; 王琪
Original assignee: First Affiliated Hospital of Dalian Medical University
Current assignee: First Affiliated Hospital of Dalian Medical University
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2022-12-06

Abstract

The invention discloses a drainage flushing device, and relates to the technical field of medical instruments. The puncture needle comprises a puncture cylinder and a transition cylinder fixedly arranged in the middle of the puncture cylinder, wherein the rear part of an inner cavity of the transition cylinder is movably connected with a negative pressure mechanism for drainage, and the front part of the inner cavity of the transition cylinder is movably connected with a switching mechanism for flushing. According to the invention, when the puncture cylinder punctures into the gall bladder, the elastic magnetic plug is controlled to move back and forth based on the alternating electromagnetic field, the tissue fluid in the gall bladder can be automatically led out by using the T-shaped end tube, the loop of the electric core strip and the electric core rod is adjusted according to Lenz's law during the process, the crushing strip is controlled to continuously reciprocate and stagger, the condensed material initially sucked into the tissue fluid is crushed, and further the blockage caused in the subsequent drainage process is avoided, and when one cavity is washed and cleaned, the other cavity is connected and matched for drainage by using the design of the two cavities during the subsequent washing, so that the drainage interruption caused by the washing is avoided.

Description

Drainage washing unit

Technical Field

The invention relates to the technical field of medical equipment, in particular to a drainage flushing device.

Background

The hepatobiliary drainage is to drain the human inner bladder juice to the outside of the body through the drainage device to reduce the hepatobiliary surgery treatment mode of the internal pressure of the biliary system, when the nurse nurses and nurses at present, the equipment such as puncture needle, drainage catheter, etc. can puncture through the hepatobiliary tract percutaneously under the guide of the medical photography equipment, and the drainage of the juxtaposed tube is carried out, thereby achieving the purpose of recovering the hepatobiliary function.

Conventional liver and gall drainage washing unit generally need place several days in the human body, the mode of utilizing natural drainage or negative pressure drainage is gone on, therefore the coagulation thing appears because of the pathological reason in the inside tissue liquid of liver and gall, make drainage mechanism entry or follow-up output channel block up easily promptly, cause the drainage to break, conventional liver and gall drainage washing unit is because of setting up single drainage output channel in addition, when the channel blocks up and washes, the drainage of liver and gall needs to stop in step promptly, the liver and gall of same period pressure problem appears and can't in time the adjustment promptly, cause the discomfort of disease easily.

Disclosure of Invention

The invention aims to: the invention provides a drainage flushing device, which aims to solve the problems that a drainage inlet channel is easily blocked by tissue fluid coagulates and drainage is interrupted due to flushing in a conventional drainage flushing device.

The invention specifically adopts the following technical scheme for realizing the purpose:

a drainage flushing device comprises a puncture cylinder and a transition cylinder fixedly arranged in the middle of the puncture cylinder, wherein the rear part of an inner cavity of the transition cylinder is movably connected with a negative pressure mechanism for drainage, and the front part of the inner cavity of the transition cylinder is movably connected with a switching mechanism for flushing.

Furthermore, the front end of the puncture cylinder is bundled to form a puncture end, the upper wall and the lower wall of the inner cavity of the puncture cylinder respectively comprise an interlayer fixedly connected with the transition cylinder, a first electromagnetic valve cavity and a second electromagnetic valve cavity are respectively arranged in the interlayer along the vertical direction of the puncture cylinder, and the first electromagnetic valve cavity and the second electromagnetic valve cavity are connected with an external pressure flushing mechanism through a three-way pipe.

Furthermore, a left cavity and a right cavity are formed in the puncture cylinder based on the interlayer, the first electromagnetic valve cavity and the second electromagnetic valve cavity are communicated with the left cavity and the right cavity respectively, and the rear end of each cavity is connected with an external drainage collecting mechanism through a guide pipe.

Further, negative pressure mechanism is including setting firmly electromagnetic block, the slidable mounting of wall behind a transition section of thick bamboo inner chamber is in elasticity magnetic plug at transition section of thick bamboo inner chamber rear portion, set firmly the T type end pipe at transition section of thick bamboo inner chamber middle part, both ends all have set firmly the inflow duckbill valve about the T type end pipe, the equal sliding connection in T type end pipe rear end left and right sides has electric core strip, relative one side equidistance respectively has set firmly the broken strip between the electric core strip, electric core strip lateral wall set firmly in the electric core pole of the grafting of activity on the T type end pipe.

Furthermore, the crushing strips are arranged on the two sides of the battery cell strip in a staggered manner respectively, and notches are formed in the upper side and the lower side of each crushing strip at equal intervals.

Furthermore, the electric core rod is elastically connected with the inner wall of the T-shaped end pipe, the electric core rods are electrically connected, and a closed loop is formed between the electric core rod and the electric core strip along the peripheral direction of the port of the T-shaped end pipe.

Furthermore, the switching mechanism comprises an arc bar rotatably installed at the front part of the inner cavity of the transition cylinder, a T-shaped telescopic rod movably hinged between the arc bar and the front wall of the inner cavity of the transition cylinder, elastic pin rods slidably inserted at the left and right sides of the transition cylinder, a rubber layer fixedly arranged between the elastic pin rods and the side wall of the transition cylinder, and drainage channels arranged at the left and right sides of the transition cylinder, wherein drainage duckbill valves are fixedly arranged on the inner walls of the drainage channels, and stress sheets are fixedly arranged at the left and right sides of the front wall of the inner cavity of the transition cylinder respectively.

Furthermore, the stress sheet electrically controls the passage states of the first electromagnetic valve cavity and the second electromagnetic valve cavity in a feedback mode.

The invention has the following beneficial effects:

1. according to the invention, when the puncture cylinder punctures into the gallbladder, alternating current is controlled to be introduced into the electromagnetic block, the elastic magnetic plug moves in a reciprocating manner under the action of a magnetic field, a unidirectional flow guide mechanism between the transition cylinder and the puncture cylinder cavity relative to the outside is utilized, the T-shaped end pipe can be used for automatically leading out tissue fluid in the gallbladder, during the process, as the battery cell strips and the battery cell rod form a loop, the area of the loop correspondingly and circularly increases and decreases according to Lenz's law, the crushing strips among the battery cell strips continuously move in a reciprocating and staggered manner to crush coagulated substances in the initially sucked tissue fluid, and further, blockage caused in the subsequent drainage process is avoided.

2. According to the invention, the drainage grooves on one side are sealed through the initial arc strips, tissue fluid is drained from the drainage grooves on the other side to the corresponding cavities and flows out, when the drainage channel is accidentally blocked, the internal pressure of the drainage channel is increased sharply, the rubber layer is pressed to drive the elastic pin rod to extrude the T-shaped telescopic rod, the arc strips automatically deflect and switch to seal the drainage grooves on one high-pressure side, the T-shaped telescopic rod abuts against the stress sheet on one high-pressure side, the second electromagnetic valve cavity communicated with the cavity on the side is opened, the external pressure flushing mechanism then releases flushing fluid to the pressure cavity to dredge and clean the blocked channel, and meanwhile, the cavity on the other side is automatically connected and matched to conduct drainage, so that drainage interruption caused by flushing is avoided.

Drawings

FIG. 1 is a top cut-away view of the drainage irrigation device of the present invention;

FIG. 2 is a front view of the puncture cylinder of the drainage irrigation device of the present invention;

FIG. 3 is a front cut-away view of the puncture cylinder of the drainage irrigation device of the present invention;

FIG. 4 is a top cut-away view of a T-shaped end tube of the drainage irrigation device of the present invention;

FIG. 5 is a top cut-away view of the switching mechanism of the drainage irrigation device of the present invention;

fig. 6 is an enlarged view at a in fig. 5.

Reference numerals are as follows: 1. a puncture cylinder; 2. a transition cylinder; 3. a negative pressure mechanism; 31. an electromagnetic block; 32. an elastic magnetic plug; 33. a T-shaped end tube; 34. an inflow duckbill valve; 35. a cell strip; 36. breaking the strips; 37. an electric core bar; 4. a switching mechanism; 41. a first solenoid valve chamber; 42. a second solenoid valve chamber; 43. an arc bar; 44. a T-shaped telescopic rod; 45. a resilient pin bar; 46. a rubber layer; 47. a drainage groove; 48. a drain duckbill valve; 49. stress sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

As shown in FIGS. 1-6, a drainage and irrigation device comprises a puncture tube 1, a transition tube 2 fixed in the middle of the puncture tube 1, a puncture end formed by the front end of the puncture tube 1 being bundled, the upper and lower walls of the inner cavity of the puncture tube 1 respectively comprising an interlayer fixedly connected with the transition tube 2, a first electromagnetic valve cavity 41 and a second electromagnetic valve cavity 42 respectively arranged in the interlayer along the up and down direction of the puncture tube 1, a negative pressure mechanism 3 for drainage movably connected to the rear part of the inner cavity of the transition tube 2, the negative pressure mechanism 3 comprising an electromagnetic block 31 fixed in the rear wall of the inner cavity of the transition tube 2, an elastic magnetic plug 32 slidably mounted in the rear part of the inner cavity of the transition tube 2, a T-shaped end tube 33 fixed in the middle of the inner cavity of the transition tube 2, the T-shaped end tube 33 having a large inner diameter, the upper and lower ports of the T-shaped end tube 33 being communicated with the outside, the T-shaped end tube 33 having the upper and lower ports respectively arranged in the first electromagnetic valve cavity 41 and the second electromagnetic valve cavity 42, an inlet valve 34 fixed in the upper and lower ends of the T-shaped end tube 33, a movable electrical core bar 35 fixed in the inner cavity of the transition tube 33, an electrical core, a movable switching mechanism for switching of the transition tube 4, a movable electrical core 4 fixed in the front part of the transition tube 35, a movable electrical core 4, a switching mechanism for switching of the transition tube 4, and a movable electrical core 4, the transition cylinder comprises a T-shaped telescopic rod 44 movably hinged between an arc strip 43 and the front wall of an inner cavity of the transition cylinder 2, elastic pin rods 45 inserted at the left side and the right side of the transition cylinder 2 in a sliding manner, a rubber layer 46 fixedly arranged between the elastic pin rods 45 and the side wall of the transition cylinder 2, and drainage troughs 47 arranged at the left side and the right side of the transition cylinder 2, wherein drainage duckbill valves 48 are fixedly arranged on the inner walls of the drainage troughs 47, and stress sheets 49 are fixedly arranged at the left side and the right side of the front wall of the inner cavity of the transition cylinder 2 respectively.

More specifically, when the puncture cylinder 1 is used for puncture and the external port of the T-shaped end tube 33 is positioned in the gallbladder, alternating current is controlled to be introduced into the electromagnetic block 31, the elastic magnetic plug 32 reciprocates under the action of an electromagnetic field, the transition cylinder 2 utilizes a one-way flow guide mechanism of the T-shaped end tube 33 relative to the outside to the cavity direction of the puncture cylinder 1, when the elastic magnetic plug 32 reciprocates, tissue fluid in the gallbladder can be automatically sucked and led out, during the process, the cell strip 35 and the cell rod 37 form a loop, the loop generates induced current and derives an induced magnetic field based on the electromagnetic field, according to lenz law, the induced magnetic field always obstructs the magnetic flux change causing the induced current, the magnetic flux of the induced current is in positive proportion to the loop area, the loop area corresponds to that the movable cell rod 37 is used for cyclic increase and decrease, and the crushing strips 36 among the cell strips 35 continuously reciprocate and stagger, the initial suction of the tissue fluid is broken, and then avoids the subsequent drainage process causing blockage, because the T-shaped end pipe 33 has a large inner diameter, the end opening of the T-shaped end pipe 33 covered with the breaking strip 36 is a drainage inlet, the design avoids the inlet blockage, because the initial arc strip 43 closes the drainage groove 47 on one side, the tissue fluid is drained from the drainage groove 47 on the other side to the corresponding cavity, when the drainage channel is accidentally blocked, the pressure is increased along with the increase of the tissue fluid in the channel, the rubber layer 46 on the corresponding side is compressed and drives the elastic pin rod 45 to extrude the T-shaped telescopic rod 44, so that the arc strip 43 is driven to deflect and close the drainage groove 47 on one side with high pressure, and simultaneously, the T-shaped telescopic rod 44 butts against the stress sheet 49 on one side with high pressure, and then the second electromagnetic valve cavity 42 communicated with the cavity on one side with the high pressure is opened, exogenous pressure washes mechanism and releases the flush fluid then to this pressure cavity, dredges the clearance to the passageway that blocks up, and first electromagnetic valve chamber 41 and second electromagnetic valve chamber 42 open during the in-service use time all can cooperate the use of time relay to when guaranteeing minimum dredging clearance, it carries out the drainage to link up the cooperation automatically with the cavity of opposite side simultaneously, thereby avoids washing the drainage interrupt that leads to.

As shown in fig. 1 and 3, in some embodiments, the front end of the puncture barrel 1 is constricted to form a puncture end, the upper wall and the lower wall of the inner cavity of the puncture barrel 1 respectively include an interlayer fixedly connected to the transition barrel 2, a first electromagnetic valve cavity 41 and a second electromagnetic valve cavity 42 are respectively formed in the interlayer along the up-down direction of the puncture barrel 1, the first electromagnetic valve cavity 41 and the second electromagnetic valve cavity 42 are connected to an external pressure flushing mechanism through a three-way pipe, the first electromagnetic valve cavity 41 and the second electromagnetic valve cavity 42 are initially in a closed state, and when either the first electromagnetic valve cavity 41 or the second electromagnetic valve cavity 42 is opened, the external pressure flushing mechanism automatically inputs a flushing fluid of a corresponding pressure to dredge and clean the pipeline.

As shown in fig. 3, in some embodiments, a left cavity and a right cavity are formed in the puncture cylinder 1 based on an interlayer, the first electromagnetic valve cavity 41 and the second electromagnetic valve cavity 42 are respectively communicated with the left cavity and the right cavity, the rear ends of the cavities are connected with an external drainage collecting mechanism through a conduit, under the sealing effect of the arc strip 43 on the drainage groove 47, only one cavity which is matched with the external drainage collecting mechanism to drain drainage exists in the left cavity and the right cavity at the same time, and the first electromagnetic valve cavity 41 or the second electromagnetic valve cavity 42 is matched with the corresponding cavity to form a subsequent dredging and cleaning passage.

As shown in fig. 4, in some embodiments, the breaking bars 36 are respectively connected to the cell bars 35 at two sides in a staggered manner, notches are formed in the upper and lower sides of the breaking bars 36 at equal intervals, and during drainage, the breaking bars 36 moving in a staggered manner from left to right can break coagulants in the sucked tissue fluid, so that blockage in a channel within a certain subsequent output range is avoided.

As shown in fig. 4, in some embodiments, the cell rod 37 is elastically connected to an inner wall of the T-shaped end tube 33, the cell rod 37 is electrically connected to the T-shaped end tube 33, a closed loop is formed between the cell rod 37 and the cell strip 35 along a peripheral direction of a port of the T-shaped end tube 33, the cell strip 35 and the cell rod 37 form a loop, the loop generates an induced current and derives an induced magnetic field based on an electromagnetic field, the induced magnetic field always obstructs a magnetic flux change causing the induced current according to lenz's law, the magnetic flux of the induced current is proportional to a loop area, the loop area corresponds to the loop area, that is, the movable cell rod 37 is cyclically increased and decreased, the breaking strip 36 is driven to continuously reciprocate and staggeredly move, so as to break condensed substances in the initially sucked tissue fluid, and ensure smooth output of subsequent drainage.

As shown in fig. 5, in some embodiments, the stress sheet 49 electrically controls the passage state of the first solenoid chamber 41 and the second solenoid chamber 42 in a feedback manner, and when the stress sheet 49 on the corresponding side is pressed, the corresponding first solenoid chamber 41 or the corresponding second solenoid chamber 42 is automatically opened to perform the input cleaning of the flushing fluid to the corresponding passage.

As shown in fig. 1-2 and fig. 3, in some embodiments, the negative pressure mechanism 3 includes an electromagnetic block 31 fixed on the rear wall of the inner cavity of the transition cylinder 2, an elastic magnetic plug 32 slidably installed at the rear part of the inner cavity of the transition cylinder 2, a T-shaped end tube 33 fixed at the middle part of the inner cavity of the transition cylinder 2, inflow duckbill valves 34 fixed at the upper and lower ends of the T-shaped end tube 33, cell strips 35 slidably connected to the left and right sides of the rear end of the T-shaped end tube 33, breaking strips 36 fixed at equal intervals on opposite sides between the cell strips 35, a cell rod 37 movably inserted into the T-shaped end tube 33 fixed on the side wall of the cell strip 35, specifically, when the puncture cylinder 1 punctures and the external port of the T-shaped end tube 33 is in the gallbladder, the control lets in alternating current to electromagnetism piece 31, elasticity magnetic plug 32 is reciprocating motion under the magnetic field effect promptly, in transition section of thick bamboo 2 for external and the one-way water conservancy diversion mechanism in the puncture section of thick bamboo 1 cavity, utilize T type end pipe 33 can draw tissue liquid in the gall-bladder automatically, in the meantime because electric core strip 35 and electric core pole 37 constitute the return circuit, this return circuit area corresponds circulation increase and reduces the change according to lenz's law, broken strip 36 between electric core strip 35 lasts reciprocating staggered movement promptly, carry out the breakage to the condensation material in the initial inspiratory tissue liquid, and then avoid causing the jam in the follow-up drainage process.

As shown in fig. 3 and fig. 5-6, in some embodiments, the switching mechanism 4 includes an arc bar 43 rotatably mounted at the front portion of the inner cavity of the transition cylinder 2, a T-shaped telescopic rod 44 movably hinged between the arc bar 43 and the front wall of the inner cavity of the transition cylinder 2, elastic pin rods 45 slidably inserted at the left and right sides of the transition cylinder 2, a rubber layer 46 fixedly disposed between the elastic pin rods 45 and the side walls of the transition cylinder 2, drainage grooves 47 formed at the left and right sides of the transition cylinder 2, drainage duckbill valves 48 fixedly disposed on the inner walls of the drainage grooves 47, and stress sheets 49 respectively disposed at the left and right sides of the front wall of the inner cavity of the transition cylinder 2, specifically, when the initial arc bar 43 closes the drainage groove 47 at one side, tissue fluid is drained from the drainage groove 47 at the other side into a corresponding cavity, when the drainage channel is accidentally blocked, the pressure of the interior of the channel increases with the increase of the tissue fluid, the rubber layer 46 at the one side is compressed and drives the elastic pin rods 45 to press the T-shaped telescopic rod 44, so that the arc bar 43 is pressed to drive the deflection bar to block the drainage groove 47 at the high-pressure, and the T-shaped telescopic rod 44 to open, and then to release the flushing fluid channel, thereby, and the flushing fluid channel 42 is automatically released.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a drainage washing unit, includes a puncture section of thick bamboo (1), sets firmly a transition section of thick bamboo (2) in puncture section of thick bamboo (1) middle part, its characterized in that, transition section of thick bamboo (2) inner chamber rear portion swing joint has negative pressure mechanism (3) that are used for the drainage, transition section of thick bamboo (2) inner chamber front portion swing joint has switching mechanism (4) that are used for washing.

2. The drainage flushing device according to claim 1, characterized in that the front end of the puncture cylinder (1) is constricted to form a puncture end, the upper wall and the lower wall of the inner cavity of the puncture cylinder (1) respectively comprise an interlayer fixedly connected with the transition cylinder (2), a first electromagnetic valve cavity (41) and a second electromagnetic valve cavity (42) are respectively arranged in the interlayer along the vertical direction of the puncture cylinder (1), and the first electromagnetic valve cavity (41) and the second electromagnetic valve cavity (42) are connected with an external flushing mechanism through a three-way pipe.

3. The drainage flushing device is characterized in that a left cavity and a right cavity are formed in the puncture cylinder (1) based on an interlayer, the first electromagnetic valve cavity (41) and the second electromagnetic valve cavity (42) are respectively communicated with the left cavity and the right cavity, and the rear ends of the cavities are connected with an external drainage collecting mechanism through a guide pipe.

4. The drainage flushing device according to claim 3, characterized in that the negative pressure mechanism (3) comprises an electromagnetic block (31) fixedly arranged on the rear wall of the inner cavity of the transition cylinder (2), an elastic magnetic plug (32) slidably mounted at the rear part of the inner cavity of the transition cylinder (2), and a T-shaped end pipe (33) fixedly arranged in the middle of the inner cavity of the transition cylinder (2), inflow duckbill valves (34) are fixedly arranged at the upper and lower ends of the T-shaped end pipe (33), electric core strips (35) are slidably connected to the left and right sides of the rear end of the T-shaped end pipe (33), crushing strips (36) are fixedly arranged on one opposite side of each electric core strip (35) at equal intervals, and electric core rods (37) movably inserted into the T-shaped end pipe (33) are fixedly arranged on the side wall of each electric core strip (35).

5. The drainage flushing device of claim 4, characterized in that the breaking strips (36) are respectively connected with the cell strips (35) at two sides in a staggered manner, and notches are formed in the upper and lower sides of the breaking strips (36) at equal intervals.

6. The drainage flushing device according to claim 4, characterized in that the electric core rod (37) is elastically connected with the inner wall of the T-shaped end pipe (33), the electric core rod (37) is electrically connected with each other, and a closed loop is formed between the electric core rod (37) and the electric core strip (35) along the peripheral direction of the port of the T-shaped end pipe (33).

7. The drainage flushing device according to claim 4, characterized in that the switching mechanism (4) comprises an arc bar (43) rotatably mounted at the front part of the inner cavity of the transition cylinder (2), a T-shaped telescopic rod (44) movably hinged between the arc bar (43) and the front wall of the inner cavity of the transition cylinder (2), elastic pin rods (45) slidably inserted at the left and right sides of the transition cylinder (2), a rubber layer (46) fixedly arranged between the elastic pin rods (45) and the side walls of the transition cylinder (2), and drainage grooves (47) formed at the left and right sides of the transition cylinder (2), wherein drainage duckbill valves (48) are fixedly arranged on the inner walls of the drainage grooves (47), and stress plates (49) are respectively fixedly arranged at the left and right sides of the front wall of the inner cavity of the transition cylinder (2).

8. The drainage flushing device according to claim 7, characterized in that the stress sheet (49) is used for electrically controlling the passage state of the first electromagnetic valve cavity (41) and the second electromagnetic valve cavity (42) in a feedback manner.