CN212593435U - Tube replacing device for body cavity drainage - Google Patents

Abstract

The utility model discloses a body cavity drainage tube replacing device; comprises a drainage tube and a tube replacing component; the drainage tube comprises a tube head, a tube body, a tube seat and a tube head drawing and rolling component; the tube replacing component comprises a guide tube and an elastic membrane strip; the sum of the length of the guide tube and the length of the elastic membrane strip is less than the length of the tube body; the guide pipe is fixed on the outer wall of the rear end of the pipe body; the two longer side edges of the elastic membrane strip are fixed on the outer wall of the tube body along the length direction of the tube body, and the rear end of the elastic membrane strip is fixed on the outer wall of the front end of the guide tube, so that a guide wire insertion channel is formed between the inner surface of the elastic membrane strip and the outer wall of the tube body; when the guide wire is inserted into the guide wire insertion channel, the elastic membrane strip deforms to prop open the guide wire insertion channel. The effect is as follows: after the tube is placed for a patient, the tube head of the drainage tube can be driven to be pulled and rolled into a ring shape by manually controlling the tube head pulling and rolling component, so that the drainage tube can be well stumbled by the body cavity tissue of the patient, the fixity is good, and when the tube replacing component is used for replacing the tube, the tube replacing speed is high, the workload of medical workers can be reduced, and the medical cost can be reduced.

Description

Tube replacing device for body cavity drainage

Technical Field

The utility model relates to the technical field of medical nursing articles, in particular to a body cavity drainage tube replacing device.

Background

In various hospitals, a built-in drainage tube is often inserted into a body cavity of a patient to drain body cavity liquid outwards, such as drainage of abdominal dropsy, drainage of pleural effusion and the like.

The commonly used drainage tube mainly comprises a tube body and a tube seat which is connected outside the corresponding tube body and is used for being externally connected with an external drainage pipeline, and the drainage tube with the corresponding structure has certain defects and shortcomings although the drainage tube is widely used;

particularly, on one hand, the tube body is long-strip-shaped, after the tube body is inserted into the body cavity of a patient, the front end of the tube body is not very good in fixation, so that the tube body is easy to shift or slide out when being slightly pulled, on the other hand, the tube body of the corresponding drainage tube is blocked by hydrops in the body or needs to be replaced when the use time of the tube body reaches the set time, and the traditional tube replacement operation generally comprises the steps of using a guide wire to stretch into the drainage part of the body cavity of the patient along the corresponding tube body, then pulling out the corresponding tube body and inserting a new drainage tube body to be replaced along the corresponding. It is very common that the pipe operation is traded in the relevance, however, when the body of corresponding drainage tube blockked up, the seal wire that uses then is difficult to insert, at this moment, just need medical personnel slowly make a round trip to stir the seal wire, insert until finding the position that is not totally blockked up in the body of corresponding drainage tube, so, it is time-consuming and arduous to make the seal wire insert relevant operation, and when the body of corresponding drainage tube was totally blocked up by internal hydrops, then need give patient under development such as supersound again and put the pipe, so, then make to increase medical cost, and increase medical personnel's work load and increase uncomfortable feelings such as patient's pain in step.

Therefore, the existing problems remain to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an easy tube replacement device for body cavity drainage.

The utility model provides a technical scheme that prior art problem adopted is: a body cavity drainage tube-replacing device comprises a drainage tube and a tube-replacing component;

the drainage tube comprises a tube head, a tube body connected to the rear end of the tube head, a tube seat connected to the rear end of the tube body and a tube head drawing and rolling component arranged between the tube head and the tube seat and used for drawing and rolling the tube head into a ring shape;

the tube replacing component comprises a guide tube suitable for guide wire insertion and an elastic membrane strip;

the sum of the length of the guide pipe and the length of the elastic membrane strip is slightly less than the length of the pipe body; the guide pipe is fixedly adhered to the outer wall of the rear end of the pipe body along the length direction of the pipe body, and the length of the guide pipe is 1.0cm-2.0 cm; the two longer side edges of the elastic membrane strip are hermetically and fixedly adhered to the outer wall of the tube body along the length direction of the tube body, the rear end of the elastic membrane strip is hermetically and fixedly adhered to the outer wall of the front end of the guide tube, so that a guide wire insertion channel is formed between the inner surface of the elastic membrane strip and the outer wall of the tube body, and the front end of the elastic membrane strip is fixedly and hermetically adhered to the front end of the tube body;

in a natural state, the elastic membrane strip is attached to the pipe body; when a guide wire is inserted into the guide wire insertion channel through the guide tube, the elastic membrane strip deforms to support the guide wire insertion channel.

The above technical solution is further described as follows:

preferably, the tube head is 5.0cm in length; the outer wall of the pipe body is provided with a plurality of scale marks taking 1.0cm as a unit along the length direction.

Preferably, the tube-changing member further comprises an inflatable balloon for inflating the guide wire insertion channel, a flow-limiting clip, an elastic membrane and a sealing cover;

the guide pipe is formed into a Y-shaped structure and comprises a first guide pipe and a second guide pipe, wherein the first guide pipe is fixedly adhered to the outer wall of the rear end of the pipe body along the length direction of the pipe body, and the second guide pipe is connected to the outer wall of the first guide pipe in an inclined mode towards the rear lower side and communicated with the first guide pipe;

the inflatable balloon is provided with an air outlet which is detachably communicated with the air inlet end of the second catheter; the flow limiting clamp is clamped outside the second conduit so as to loosen/clamp the second conduit; the elastic membrane is sealed and adhered to the opening at the rear end of the first conduit, an opening seam for the guide wire to penetrate is formed in the middle of the elastic membrane, and the opening seam is in a closed state when not stressed; the sealing cover is detachably arranged at the rear end opening of the first conduit so as to seal and cover the elastic membrane;

when the current limiting clamp is operated to loosen the second catheter and press the inflatable balloon, gas in the inflatable balloon enters the guide wire insertion channel to enable the guide wire insertion channel to be expanded.

Preferably, the rear end of the first conduit is obliquely arranged towards the rear lower part so as to form an acute angle with the pipe body; the sealing cover is sleeved outside the rear end of the first conduit in a threaded manner; the air outlet of the inflatable balloon is sleeved in the air inlet end of the second catheter in a threaded manner, and the outer wall of the air inlet end of the second catheter is connected with a sealing sleeve capable of covering the air inlet end of the second catheter.

Preferably, the current limiting clamp comprises a pressing part for operation, a U-shaped clamping part for clamping the pressing part and a clamping part for clamping/releasing the second conduit;

the first end of the pressing part is connected with the first end of the U-shaped clamping part into a whole, and the second end of the U-shaped clamping part is provided with a clamping groove for clamping the second end of the pressing part; a pipeline through hole suitable for the second conduit to penetrate through is respectively formed in the outer wall of the U-shaped clamping part close to the first end of the U-shaped clamping part and in the outer wall of the U-shaped clamping part close to the second end of the U-shaped clamping part; the clamping part comprises a first clamping part and a second clamping part, the first clamping part is fixedly arranged on the inner surface of the pressing part, and the second clamping part is fixedly arranged in the middle of the inner surface of the U-shaped clamping part and is opposite to the first clamping part; the second conduit penetrating through the two pipeline through holes is clamped between the first clamping part and the second clamping part;

when the second end of the pressing part is pressed to be clamped into the clamping groove, the second end of the pressing part and the second end of the U-shaped clamping part are fixed to form an annular structure, and the first clamping part and the second clamping part clamp the second conduit;

when the second end of the U-shaped clamping part is pulled to enable the second end of the pressing part to be separated from the clamping groove, the second end of the pressing part deviates from the U-shaped clamping part, and the first clamping part and the second clamping part loosen the second conduit.

Preferably, the outer wall of the tube head is uniformly provided with a plurality of drainage holes penetrating into the outer wall of the tube head along the length direction of the outer wall of the tube head, and the outer diameter of the front end of the tube head gradually decreases to form a necking.

Preferably, the tube head drawing and rolling component comprises a drawing wire and a drawing head;

the outer wall of the front end of the tube head is provided with a front pull hole which is communicated with the tube head and is used for the penetration of the drawn wire, and the outer wall of the rear end of the tube head is provided with a rear pull hole which is communicated with the tube head and is used for the penetration of the drawn wire;

the rear end of the pipe body is backwards provided with a hollow male connector with internal threads; the front end of the tube seat is forwards provided with a hollow female connector with external threads, which is connected to the hollow male connector in a matching threaded manner, and the rear end of the tube seat is provided with a liquid guide channel communicated with the hollow female connector along the front-back direction; the outer wall of the tube seat is provided with a through hole communicated with the liquid guide channel;

the first end of the wire drawing penetrates into the pipe head from the front drawing hole, extends into the liquid guide channel along the pipe body and penetrates out of the through hole to be connected with the pull head; the second wire drawing end penetrates into the tube head from the back drawing hole, extends out of the hollow male connector along the tube body, and is clamped and fixed when the hollow male connector is in threaded connection with the hollow female connector;

when the puller is held by hand to pull the drawn wire backwards, the part of the drawn wire, which is sleeved between the front pull hole and the rear pull hole, is shortened, and the pipe head is pulled and rolled into a ring shape.

Preferably, the outer wall of the tube seat is also provided with an accommodating groove; the inner wall of the accommodating groove is oppositely provided with two clamping holes which penetrate through the outer wall of the tube seat;

the first end of the wire drawing penetrates through the through hole and the two clamping holes to be connected with the pull head; the pull head can be detachably clamped in the accommodating groove to clamp the drawn wire pulled out by the pull head.

Preferably, the device also comprises a guide pin and a guide sleeve;

the guide pin comprises a pin body and a hollow pin seat which is connected with the front end of the rear part of the pin body and is provided with an opening, and the inner wall of the hollow pin seat is provided with internal threads;

the guide sleeve comprises a sleeve body, a hollow sleeve seat and a hollow sleeve head, wherein the front end and the rear end of the hollow sleeve seat are connected to the rear part of the sleeve body and are both formed into openings; the inner wall of the hollow sleeve seat is provided with internal threads; the outer wall of the hollow sleeve head is provided with an external thread;

the rear end of the tube seat is provided with a hollow screw head communicated with the liquid guide channel along the front-back direction; the outer wall of the hollow screw head is provided with an external thread;

the needle body of the guide needle is inserted into the sleeve body from the hollow sleeve head, and the hollow needle seat of the guide needle is screwed outside the hollow sleeve head of the guide sleeve;

the sleeve body of the guide sleeve is inserted into the tube head from the hollow screw head, and the hollow sleeve seat of the guide sleeve is screwed outside the hollow screw head of the tube seat;

when the guide pin, the guide sleeve and the drainage tube are sequentially connected and fixed, the needle point at the front end of the guide pin is exposed out of the opening at the front end of the sleeve body and is sleeved by the tube head.

Preferably, the first conduit is made of a hard plastic material, and the second conduit is made of a soft plastic material; the needle body reaches the cover body is the stainless steel material preparation.

The utility model has the advantages that:

one of the tube replacing device for drainage of body cavity provided by the utility model is implemented in detail, on one hand, when placing the tube for the patient for the first time, under development of ultrasound, the tube head of the drainage tube is inserted into the position of the body cavity of the patient requiring drainage of effusion to the outside, and then the tube head is manually controlled to pull the rolling member, so that the tube head of the drainage tube is pulled to be rolled into a ring shape and kept in the position of the body cavity of the patient requiring drainage of effusion to the outside, thus, even if the tube seat at the rear end of the drainage tube outside the body of the patient is slightly pulled, the tube head of the drainage tube greatly increases the fixed area due to the ring shape, so that the body cavity tissue at the position of the body cavity requiring drainage of effusion to the outside by the patient can be well pulled, the tube head is not easy to be pulled in a large range to cause displacement or slide-out, the fixity is, the elastic membrane strip is attached to the tube body, so that the guide wire insertion channel is very narrow, the body cavity tissue of the part of the body cavity of a patient needing to externally drain hydrops is not easy to enter the guide wire insertion channel to seal the guide wire insertion channel, when a new drainage tube needs to be replaced, a guide wire with scales on the outer wall, the length of which is greater than that of the used drainage tube, is inserted into the guide wire insertion channel along a first catheter of the guide tube, the scales on the guide wire insertion channel are compared, when the built-in depth of the front end of the guide wire is 5.0cm deeper than the front end of the tube body of the used drainage tube after the guide wire is stretched into the guide wire insertion channel, the used drainage tube is drawn out, then, the tube body and the tube head of the new drainage tube can be sleeved outside the corresponding tube and pushed forwards along the corresponding guide wire, the scales on the tube head of the new drainage tube are pushed to be flush with the front end of the, from this, through the configuration amendment, when using this application to trade the pipe operation, even must trade tub effectual, it is fast and trade tub efficient to trade the pipe for relevant trade pipe operation labour saving and time saving, even if used mutually when the drainage tube partly blockked up or blockked up completely, this application all can not place the seal wire with traditional operation mode, also need not put the pipe for patient under development such as supersound again, makes and to alleviate medical personnel's work burden greatly, reduces patient's medical cost and alleviate uncomfortable feelings such as patient's pain, thereby, this application practicality is very strong, and the real effect of operating is very good, makes inevitable can effectively be promoted and extensively popularize.

Drawings

Fig. 1 is a schematic view of the whole structure of the body cavity drainage tube-changing device of the present invention;

FIG. 2 is an exploded view of the body cavity drainage easy-to-replace tube device of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged view of the clip of FIG. 2;

fig. 5 is a schematic view of the overall structure of the guide pin connected to the guide sleeve in this embodiment;

FIG. 6 is a view showing a state in which the catheter tube of the present embodiment is used with the front end thereof pulled and wound in a ring shape after being placed in a body cavity of a patient;

FIG. 7 is a view of the use of the present application of FIG. 6 after inflation of the guidewire insertion channel with an inflatable balloon;

FIG. 8 is a use condition diagram prepared for a replacement operation of a drain tube to be replaced using the present application of FIG. 7;

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Reference numerals:

the body cavity drainage easy tube replacing device 1000;

a drainage tube 10;

a tube head 101; a drainage hole 1011; a throat 1012; a pull-forward bore 1013; a back pull hole 1014; a tubular body 102; scale marks 1021; a hollow male connector 1022; a stem 103; a hollow female connector 1031; a via 1032; a receiving groove 1033; a snap hole 1034; a hollow screw head 1035; a tip pull roll member 104; drawing 1041; a slider 1042;

a tube changing member 20;

a guide tube 201; a first conduit 2011; a second conduit 2012; a seal gland 20121; an elastic film strip 202; an inflatable balloon 203; an exhaust port 2031; a current limiting clip 204; a pressing portion 2041; a U-shaped clamping portion 2042; a card slot 20421; a conduit via 20422; a clamping portion 2043; a first clamping portion 204311; a second clamping portion 204322; an elastic membrane 205; an open seam 2051; a sealing cover 206;

a guide pin 30;

a needle body 301; a hollow needle hub 302;

a guide sleeve 40;

a sleeve body 401; a hollow nest 402; a hollow cuff 403;

a guide wire 2000;

Detailed Description

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, so as to clearly and intuitively understand the inventive substance of the present invention.

Fig. 1 is a schematic view of the whole structure of the body cavity drainage tube-changing device of the present invention; FIG. 2 is an exploded view of the body cavity drainage easy-to-replace tube device of the present invention; FIG. 3 is an enlarged view of A in FIG. 2; FIG. 4 is an enlarged view of the clip of FIG. 2; fig. 5 is a schematic view of the overall structure of the guide pin connected to the guide sleeve in this embodiment; FIG. 6 is a view showing a state in which the catheter tube of the present embodiment is used with the front end thereof pulled and wound in a ring shape after being placed in a body cavity of a patient; FIG. 7 is a view of the use of the present application of FIG. 6 after inflation of the guidewire insertion channel with an inflatable balloon; FIG. 8 is a use condition diagram prepared for a replacement operation of a drain tube to be replaced using the present application of FIG. 7;

as shown in connection with fig. 1-8;

the utility model provides a body cavity drainage easy tube replacing device 1000, which comprises a drainage tube 10 and a tube replacing component 20, wherein the drainage tube is suitable for being inserted into a body cavity to draw liquid in the fluid cavity outwards;

the drainage tube 10 comprises a tube head 101, a tube body 102 connected to the rear end of the tube head 101, a tube seat 103 connected to the rear end of the tube body 102, and a tube head drawing and rolling member 104 arranged between the tube head 101 and the tube seat 103 and used for drawing and rolling the tube head 101 into a ring shape;

moreover, the tube replacing component 20 comprises a guide tube 201 suitable for inserting a guide wire 2000 and an elastic membrane strip 202;

wherein the sum of the length of the guide tube 201 and the length of the elastic membrane strip 202 is slightly less than the length of the tube body 102; the guide tube 201 is fixedly attached to the outer wall of the rear end of the tube body 102 along the length direction of the tube body 102, and the length of the guide tube is 1.0cm-2.0 cm; the two longer sides of the elastic membrane strip 202 are hermetically bonded to the outer wall of the tube body 102 along the length direction of the tube body 102, the rear end of the elastic membrane strip 202 is hermetically bonded to the outer wall of the front end of the guide tube 201, so that a guide wire insertion channel is formed between the inner surface of the elastic membrane strip and the outer wall of the tube body 102, and the front end of the elastic membrane strip is adhesively sealed with the front end of the tube body 102;

in a natural state, the elastic membrane strip 202 is attached to the tube body 102; when a guide wire 2000 is inserted into the guide wire insertion channel through the guide tube 201, the elastic membrane strip 202 is deformed to expand the guide wire insertion channel.

And the length of the pipe head 101 is 5.0 cm; the outer wall of the tube body 102 is provided with a plurality of scale marks 1021 along the length direction, wherein the scale marks are 1.0cm long.

Based on the above, it should be noted that, in the present application, when the catheter is first placed in a patient, the tip 101 of the drainage catheter 10 is inserted into a portion of the body cavity of the patient, where effusion fluid needs to be drained externally, under the development of ultrasound and the like.

On the one hand, after the drainage tube 10 is placed in the tube, the tube head is manually controlled to pull the rolling member 104, so that the tube head 101 of the drainage tube 10 can be driven to be rolled into a ring shape and be kept in the position of the body cavity of the patient, which needs to drain the effusion, and therefore, even if the tube seat 103 at the rear end of the drainage tube 10, which is located outside the body of the patient, is slightly pulled, the tube head 101 of the drainage tube 10 greatly increases the fixed area due to the ring shape, so that the body cavity tissue of the position of the body cavity of the patient, which needs to drain the effusion, can be well stumbled by the body cavity tissue of the body cavity of the patient, and is difficult to be pulled.

On the other hand, in a natural state, the elastic membrane strip 202 is attached to the tube body 102, so that the guide wire insertion channel is very narrow, so that body cavity tissues of a patient body cavity where effusion needs to be drained outside cannot easily enter the guide wire insertion channel to seal the guide wire insertion channel, when a new drainage tube 10 needs to be replaced, a guide wire 2000 with scales on the outer wall, the length of which is greater than that of the used drainage tube 10, is inserted into the guide wire insertion channel along the first catheter of the guide tube 201, and by contrast with the scale marks 1021 on the guide wire insertion channel, when the built-in depth of the front end of the guide wire 2000 is judged to be 5.0cm deeper than that of the front end of the tube body 102 of the used drainage tube 10 after the guide wire is extended, the used drainage tube 10 is extracted, and then the guide wire 102 and the tube head 101 of the new drainage tube 10 are sleeved outside the corresponding guide wire 2000 and are pushed forward along the corresponding guide wire 2000, the tip 101 of the new drainage tube 10 is pushed to be flush with the front end of the corresponding guide wire 2000, i.e., it is judged that the new drainage tube 10 is inserted in place.

Therefore, through the improvement of structure, when using this application to trade the pipe operation, even if must trade tub effectual, trade tub fast and trade tub efficient for relevant trade tub operation labour saving and time saving, even if used mutually when drainage tube 10 partly blocks up or blocks up completely, this application all can not place seal wire 2000 with traditional operating means, also need not put the pipe for patient under development such as supersound again, makes and to alleviate medical personnel's work burden greatly, reduces patient's medical cost and alleviate uncomfortable feelings such as patient's pain.

Moreover, since the length of the tube head 101 is 5.0cm, even if the tube head 101 is long enough, when the tube head is rolled into a ring shape, the formed ring shape is not too large, and the medical staff can know the tube placing depth of the drainage tube 10 by referring to the scale mark 1021, so as to facilitate the replacement of a new drainage tube 10 as a reference.

Therefore, the practicability is very strong, the practical operation effect is very good, and the practical operation device can be effectively popularized and widely popularized.

Preferably, in this embodiment, the tube replacing member 20 further includes an inflation balloon 203 for inflating the guide wire insertion channel, a restriction clip 204, an elastic membrane 205 and a sealing cover 206;

the guide tube 201 is formed into a Y-shaped structure, and includes a first guide tube 2011 adhered to the outer wall of the rear end of the tube 102 along the length direction of the tube 102, and a second guide tube 2012 which is connected to the outer wall of the first guide tube 2011 and is communicated with the first guide tube 2011 and inclines backwards and downwards;

the inflatable balloon 203 is provided with an exhaust port 2031, and the exhaust port 2031 is detachably communicated with the air inlet end of the second conduit 2012; the current limiting clamp 204 is clamped outside the second conduit 2012 to loosen/clamp the second conduit 2012; the elastic membrane 205 is sealed and adhered to the rear end opening of the first conduit 2011, an opening seam 2051 for the guide wire 2000 to penetrate through is arranged in the middle of the elastic membrane 205, and the opening seam 2051 is in a closed state when not stressed; the sealing cover 206 is detachably arranged on the rear end opening of the first conduit 2011 to seal and cover the elastic membrane 205;

from this, it is possible to summarize:

on one hand, when the current limiting clip 204 is operated to loosen the second catheter 2012 and press the inflatable balloon 203, the gas in the inflatable balloon 203 can enter the guide wire insertion channel to swell the guide wire insertion channel, at this time, even when the tube replacement operation is required, the used guide wire 2000 is pushed forward along the guide wire insertion channel with good smoothness, and can be pushed forward according to the preset insertion depth after piercing the elastic membrane strip 202, thereby saving time and labor, and greatly accelerating the tube replacement process.

On the other hand, the open seam 2051 is in a closed state when not stressed, so that a certain gas blocking effect can be achieved, and gas entering the guide wire insertion channel is prevented from leaking outwards through the open seam.

Before the tube replacement operation, the elastic membrane strip 202 is sealed and covered by the sealing cover 206, so that the elastic membrane strip is not polluted, the situation that the patient is polluted due to the pollution of the guide wire 2000 inserted through the elastic membrane strip and the pollution is brought into the patient body to cause cross infection is avoided, and the situation that foreign objects directly enter the patient body along the guide wire insertion channel to cause cross infection is effectively avoided, so that the application is safer and more reliable to use.

Further, in this embodiment, the rear end of the first conduit 2011 is obliquely arranged towards the rear lower part so as to form an acute angle with the pipe body 102; the sealing cover 206 is sleeved outside the rear end of the first conduit 2011 in a threaded manner; an exhaust port 2031 of the inflatable balloon 203 is sleeved in the air inlet end of the second conduit 2012 in a threaded manner, and a sealing sleeve 20121 capable of covering the air inlet end of the second conduit 2012 is connected to the outer wall of the air inlet end of the second conduit 2012.

So, when using this application, on the one hand, sealed lid 206 is right first pipe 2011 rear end leakproofness is good, and its fixity is good also easily to be taken, and on the other hand, aerify sacculus 203 can connect in second pipe 2012 to accomplish not tearing open and take and follow-up extrusion use according to actual need, aerify sacculus 203 still can accomplish to tear open earlier and take off, and use seal cover 20121 will the sealed lid of second pipe 2012 inlet end closes in order to lighten weight in patient's health, makes patient's use more light.

Further, in this embodiment, the current limiting clip 204 includes a pressing portion 2041 for operation, a U-shaped clamping portion 2042 for clamping the pressing portion 2041, and a clamping portion 2043 for clamping/unclamping the second conduit 2012;

the first end of the pressing portion 2041 is integrally connected with the first end of the U-shaped clamping portion 2042, and the second end of the U-shaped clamping portion 2042 is provided with a clamping groove 20421 for clamping the second end of the pressing portion 2041; a pipeline through hole 20422 suitable for the second conduit 2012 to pass through is respectively formed in the outer wall of the U-shaped clamping portion 2042 close to the first end thereof and in the outer wall close to the second end thereof; the clamping portion 2043 comprises a first clamping portion 20431 and a second clamping portion 20432, the first clamping portion 20431 is fixed on the inner surface of the pressing portion 2041, and the second clamping portion 20432 is fixed on the middle portion of the inner surface of the U-shaped clamping portion 2042 and is opposite to the first clamping portion 20431; the second conduit 2012 passing through the two pipeline passing holes 20422 is clamped between the first clamping portion 20431 and the second clamping portion 20432;

from this it can be understood that:

on one hand, when the second end of the pressing portion 2041 is pressed to be inserted into the clamping groove 20421, the second end of the pressing portion 2041 and the second end of the U-shaped clamping portion 2042 are fixed to form an annular structure, and the first clamping portion 20431 and the second clamping portion 20432 clamp the second conduit 2012;

on the other hand, when the second end of the U-shaped clamping portion 2042 is pulled to separate the second end of the pressing portion 2041 from the engaging groove 20421, the second end of the pressing portion 2041 is away from the U-shaped clamping portion 2042, and the first clamping portion 20431 and the second clamping portion 20432 loosen the second conduit 2012.

Therefore, in summary, the restriction clip 204 fixed on the second catheter 2012 can freely clamp the second catheter to prevent the gas entering the guide wire insertion channel from flowing back to the inflatable balloon 203.

Furthermore, in this embodiment, the outer wall of the tube head 101 is uniformly provided with a plurality of drainage holes 1011 penetrating into the outer wall along the length direction, and the outer diameter of the front end of the tube head 101 gradually decreases to form a reduced opening 1012.

So, on the one hand, the drainage that a plurality of drainage holes 1011 that set up are convenient for can be fine promptly, even if when certain drainage hole 1011 is blockked up by the coelom tissue at the position that patient's coelom needs the drainage hydrops, also can not cause too big influence to drainage work, make this application drainage effectual, on the other hand, tube head 101 front end external diameter diminishes gradually and forms throat 1012, makes to new drainage tube 10, and seal wire 2000 outer wall is hugged closely to new drainage tube 10's tube head 101 front end throat 1012 for it inserts more smoothly laborsaving when inserting patient's coelom along seal wire 2000 outer wall.

In addition, in this embodiment, the tube head winding member 104 includes a drawing wire 1041 and a slider 1042;

the outer wall of the front end of the tube head 101 is provided with a front pulling hole 1013 penetrating into the tube head 101 for the drawn wire 1041 to penetrate through, and the outer wall of the rear end of the tube head 101 is provided with a rear pulling hole 1014 penetrating into the tube head 101 for the drawn wire 1041 to penetrate through;

moreover, a hollow male connector 1022 with internal threads is arranged backwards at the rear end of the pipe body 102; the front end of the tube seat 103 is forwardly provided with a hollow female connector 1031 with external threads, which is in adaptive threaded connection with the hollow male connector 1022, and the rear end of the tube seat 103 is provided with a liquid guide channel communicated with the hollow female connector 1031 along the front-back direction; a through hole 1032 communicated with the liquid guide channel is formed in the outer wall of the tube seat 103;

meanwhile, the first end of the pull wire 1041 penetrates into the tube head 101 from the front pull hole 1013, extends into the liquid guide channel along the tube body 102, and penetrates out of the through hole 1032 to be connected with the pull head 1042; the second end of the pull wire 1041 penetrates into the tube head 101 from the rear pull hole 1014, extends out of the hollow male connector 1022 along the tube body 102, and is fastened by a clamp when the hollow male connector 1022 is in threaded connection with the hollow female connector 1031;

therefore, when the pull head 1042 is held by hand and the pull wire 1041 is pulled backwards, the part of the pull wire 1041, which is sleeved between the front pull hole 1013 and the rear pull hole 1014, becomes short, and at this time, the tube head 101 can be pulled and rolled into a ring shape.

It is further added that, in specific implementation, the outer wall of the tube seat 103 is further provided with a containing groove 1033; the inner wall of the accommodating groove 1033 is oppositely provided with two clamping holes 1034 penetrating to the outer wall of the tube seat 103;

the first end of the pull wire 1041 penetrates through the through hole 1032 and penetrates through the two clamping holes 1034 to be connected with the pull head 1042; the slider 1042 can be detachably clamped in the accommodating groove 1033 to clamp the drawn wire 1041 drawn out by the slider.

Therefore, the pull head 1042 is held by a hand to pull the pull wire 1041 backwards, so that the part of the pull wire 1041, which is sleeved between the front pull hole 1013 and the rear pull hole 1014, is shortened, when the tube head 101 is pulled and rolled into a ring shape, the pull wire 1041, which is positioned between the pull head 1042 and the tube seat 103, is side long, at this time, the pull head 1042 is clamped to the accommodating groove 1033, the pull wire 1041, which passes through the two clamping holes 1034, is clamped and fixed, so that the tube head is not easy to reset, the tube head 101, which is pulled and rolled into a ring shape, can be always kept in a ring shape and is left at a part of a body cavity of a patient, where effusion needs to be drained outwards, and the application is stable and reliable in use.

It is further necessary to supplement, in the specific implementation, the present application further includes a guide pin 30 and a guide sleeve 40;

the guide needle 30 comprises a needle body 301 and a hollow needle seat 302 which is connected with the front end of the rear part of the needle body 301 and is open, and the inner wall of the hollow needle seat 302 is provided with internal threads;

the guide sleeve 40 comprises a sleeve body 401, a hollow sleeve seat 402 which is connected with the rear part of the sleeve body 401 and the front end and the rear end of which are both formed into openings, and a hollow sleeve head 403 which is connected with the rear part of the hollow sleeve seat 402 and is provided with an opening; the inner wall of the hollow sleeve seat 402 is provided with internal threads; the outer wall of the hollow sleeve head 403 is provided with an external thread;

the rear end of the tube seat 103 is provided with a hollow screw head 1035 communicated with the liquid guide channel along the front-back direction; the outer wall of the hollow screw head 1035 is provided with an external thread;

the needle body 301 of the guide needle 30 is inserted into the sheath body 401 from the hollow sleeve head 403, and the hollow needle seat 302 of the guide needle 30 is screwed outside the hollow sleeve head 403 of the guide sleeve 40;

the sleeve body 401 of the guide sleeve 40 is inserted into the tube head 101 from the hollow screw head 1035, and the hollow sleeve seat 402 of the guide sleeve 40 is screwed outside the hollow screw head 1035 of the tube seat 103;

when the guide pin 30, the guide sleeve 40 and the drainage tube 10 are sequentially connected and fixed, the needle point at the front end of the guide pin 30 is exposed out of the front end opening of the sleeve body 401 and is sleeved by the tube head 101.

From this, when putting the pipe for the first time, guide pin 30, guide pin bushing 40 and drainage tube 10 is for supporting use, guide pin 30 then plays the guide effect to drive leading-in to the position that patient's coelom needs drainage hydrops outward under development such as supersound of tube head 101 of drainage tube 10, guide pin bushing 40 is for being convenient for when guide pin 30 is taken out the protection the body 102 pipe wall of drainage tube 10 is not punctured for this application uses more reliably.

In a specific implementation, the first conduit 2011 is made of a hard plastic material, and the second conduit 2012 is made of a soft plastic material; the needle body 301 and the sleeve body 401 are made of stainless steel.

It should be further added that, in a specific implementation, the inflation balloon 203 may be replaced by a liquid injection balloon, and the corresponding liquid injection balloon is pre-filled with physiological saline or other sterile water and is squeezed into the guide wire insertion channel, so that the guide wire insertion channel may be swelled to facilitate the subsequent insertion of the guide wire 2000.

Other embodiments, etc., will not be illustrated herein.

To sum up, the utility model has the advantages that the whole structure is simple, easy to implement, easy to operate, the practicality is strong, and the specificity is strong, and low in manufacturing cost all need not increase too many cost in the improvement of structure and technique, makes the utility model discloses must have fine market spreading value, the utility model discloses can very welcome, can effectively popularize.

The above only is the preferred embodiment of the present invention, not limiting the patent protection scope of the present invention, all the changes of the equivalent structure or equivalent flow path made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the patent protection scope of the present invention.

Claims (9)

1. The utility model provides a body cavity drainage easy tube replacement device which characterized in that: comprises a drainage tube and a tube replacing component;

the drainage tube comprises a tube head, a tube body connected to the rear end of the tube head, a tube seat connected to the rear end of the tube body and a tube head drawing and rolling component arranged between the tube head and the tube seat and used for drawing and rolling the tube head into a ring shape;

the tube replacing component comprises a guide tube suitable for guide wire insertion and an elastic membrane strip;

the sum of the length of the guide pipe and the length of the elastic membrane strip is slightly less than the length of the pipe body; the guide pipe is fixedly adhered to the outer wall of the rear end of the pipe body along the length direction of the pipe body, and the length of the guide pipe is 1.0cm-2.0 cm; the two longer side edges of the elastic membrane strip are hermetically and fixedly adhered to the outer wall of the tube body along the length direction of the tube body, the rear end of the elastic membrane strip is hermetically and fixedly adhered to the outer wall of the front end of the guide tube, so that a guide wire insertion channel is formed between the inner surface of the elastic membrane strip and the outer wall of the tube body, and the front end of the elastic membrane strip is fixedly and hermetically adhered to the front end of the tube body;

in a natural state, the elastic membrane strip is attached to the pipe body; when a guide wire is inserted into the guide wire insertion channel through the guide tube, the elastic membrane strip deforms to support the guide wire insertion channel.

2. The body cavity drainage easily replaceable tube device according to claim 1, wherein: the length of the pipe head is 5.0 cm; the outer wall of the pipe body is provided with a plurality of scale marks taking 1.0cm as a unit along the length direction.

3. The body cavity drainage easily replaceable tube device according to claim 2, wherein: the tube replacing component also comprises an inflatable sacculus for inflating the guide wire inserting channel, a current limiting clamp, an elastic membrane and a sealing cover;

the guide pipe is formed into a Y-shaped structure and comprises a first guide pipe and a second guide pipe, wherein the first guide pipe is fixedly adhered to the outer wall of the rear end of the pipe body along the length direction of the pipe body, and the second guide pipe is connected to the outer wall of the first guide pipe in an inclined mode towards the rear lower side and communicated with the first guide pipe;

the inflatable balloon is provided with an air outlet which is detachably communicated with the air inlet end of the second catheter; the flow limiting clamp is clamped outside the second conduit so as to loosen/clamp the second conduit; the elastic membrane is sealed and adhered to the opening at the rear end of the first conduit, an opening seam for the guide wire to penetrate is formed in the middle of the elastic membrane, and the opening seam is in a closed state when not stressed; the sealing cover is detachably arranged at the rear end opening of the first conduit so as to seal and cover the elastic membrane;

when the current limiting clamp is operated to loosen the second catheter and press the inflatable balloon, gas in the inflatable balloon enters the guide wire insertion channel to enable the guide wire insertion channel to be expanded.

4. The body cavity drainage easily replaceable tube device according to claim 3, wherein: the rear end of the first conduit is obliquely arranged towards the rear lower part so as to form an acute angle with the pipe body; the sealing cover is sleeved outside the rear end of the first conduit in a threaded manner; the air outlet of the inflatable balloon is sleeved in the air inlet end of the second catheter in a threaded manner, and the outer wall of the air inlet end of the second catheter is connected with a sealing sleeve capable of covering the air inlet end of the second catheter.

5. The body cavity drainage easily replaceable tube device according to claim 3, wherein: the current limiting clamp comprises a pressing part for operation, a U-shaped clamping part for clamping the pressing part and a clamping part for clamping/loosening the second conduit;

the first end of the pressing part is connected with the first end of the U-shaped clamping part into a whole, and the second end of the U-shaped clamping part is provided with a clamping groove for clamping the second end of the pressing part; a pipeline through hole suitable for the second conduit to penetrate through is respectively formed in the outer wall of the U-shaped clamping part close to the first end of the U-shaped clamping part and in the outer wall of the U-shaped clamping part close to the second end of the U-shaped clamping part; the clamping part comprises a first clamping part and a second clamping part, the first clamping part is fixedly arranged on the inner surface of the pressing part, and the second clamping part is fixedly arranged in the middle of the inner surface of the U-shaped clamping part and is opposite to the first clamping part; the second conduit penetrating through the two pipeline through holes is clamped between the first clamping part and the second clamping part;

when the second end of the pressing part is pressed to be clamped into the clamping groove, the second end of the pressing part and the second end of the U-shaped clamping part are fixed to form an annular structure, and the first clamping part and the second clamping part clamp the second conduit;

when the second end of the U-shaped clamping part is pulled to enable the second end of the pressing part to be separated from the clamping groove, the second end of the pressing part deviates from the U-shaped clamping part, and the first clamping part and the second clamping part loosen the second conduit.

6. The body cavity drainage easily replaceable tube device according to claim 3, wherein: the tube head outer wall has evenly seted up a plurality of drainage holes that link up to it along its length direction, just tube head front end external diameter diminishes gradually and forms the throat.

7. The body cavity drainage easily replaceable tube device according to any one of claims 1 to 6, wherein: the tube head drawing and rolling component comprises a drawing wire and a pull head;

the outer wall of the front end of the tube head is provided with a front pull hole which is communicated with the tube head and is used for the penetration of the drawn wire, and the outer wall of the rear end of the tube head is provided with a rear pull hole which is communicated with the tube head and is used for the penetration of the drawn wire;

the rear end of the pipe body is backwards provided with a hollow male connector with internal threads; the front end of the tube seat is forwards provided with a hollow female connector with external threads, which is connected to the hollow male connector in a matching threaded manner, and the rear end of the tube seat is provided with a liquid guide channel communicated with the hollow female connector along the front-back direction; the outer wall of the tube seat is provided with a through hole communicated with the liquid guide channel;

the first end of the wire drawing penetrates into the pipe head from the front drawing hole, extends into the liquid guide channel along the pipe body and penetrates out of the through hole to be connected with the pull head; the second wire drawing end penetrates into the tube head from the back drawing hole, extends out of the hollow male connector along the tube body, and is clamped and fixed when the hollow male connector is in threaded connection with the hollow female connector;

when the puller is held by hand to pull the drawn wire backwards, the part of the drawn wire, which is sleeved between the front pull hole and the rear pull hole, is shortened, and the pipe head is pulled and rolled into a ring shape.

8. The body cavity drainage easily replaceable tube device according to claim 7, wherein: the outer wall of the tube seat is also provided with an accommodating groove; the inner wall of the accommodating groove is oppositely provided with two clamping holes which penetrate through the outer wall of the tube seat;

the first end of the wire drawing penetrates through the through hole and the two clamping holes to be connected with the pull head; the pull head can be detachably clamped in the accommodating groove to clamp the drawn wire pulled out by the pull head.

9. The body cavity drainage easily replaceable tube device according to claim 7, wherein: the device also comprises a guide pin and a guide sleeve;

the guide pin comprises a pin body and a hollow pin seat which is connected with the front end of the rear part of the pin body and is provided with an opening, and the inner wall of the hollow pin seat is provided with internal threads;

the guide sleeve comprises a sleeve body, a hollow sleeve seat and a hollow sleeve head, wherein the front end and the rear end of the hollow sleeve seat are connected to the rear part of the sleeve body and are both formed into openings; the inner wall of the hollow sleeve seat is provided with internal threads; the outer wall of the hollow sleeve head is provided with an external thread;

the rear end of the tube seat is provided with a hollow screw head communicated with the liquid guide channel along the front-back direction; the outer wall of the hollow screw head is provided with an external thread;

the needle body of the guide needle is inserted into the sleeve body from the hollow sleeve head, and the hollow needle seat of the guide needle is screwed outside the hollow sleeve head of the guide sleeve;

the sleeve body of the guide sleeve is inserted into the tube head from the hollow screw head, and the hollow sleeve seat of the guide sleeve is screwed outside the hollow screw head of the tube seat;

when the guide pin, the guide sleeve and the drainage tube are sequentially connected and fixed, the needle point at the front end of the guide pin is exposed out of the opening at the front end of the sleeve body and is sleeved by the tube head.

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