CN113730669A - Self-disinfection drainage tube after arterial incision and thrombus removal - Google Patents

Abstract

The utility model provides an artery is cut open and is got postoperative from disinfection drainage tube, including the interior body that is in patient's abdominal cavity and be in that the patient is external and be used for the outer body be connected with the drainage bag, the outside cover of interior body is equipped with one section and oozes the pencil, the surface branch that oozes the pencil is for having the infiltration medicine district that oozes the medicine hole and not ooze the non-infiltration medicine district that oozes the medicine hole, the infiltration medicine hole that oozes the medicine district distributes on inside wall and lateral wall, be used for respectively slowly releasing the liquid medicine in the stock solution intracavity to the inner body surface and with ooze the abdominal organ of pencil lateral wall contact, and when taking out or inserting, carry out the liquid medicine coating to the inner body surface is automatic. The drainage tube is fixed with abdominal tissues and muscles, and meanwhile, the drainage tube is disinfected and the tissues and muscles are anti-inflammatory by using the drug seepage holes in the surface of the drug seepage tube.

Description

Self-disinfection drainage tube after arterial incision and thrombus removal

Technical Field

The invention relates to postoperative care of arteriovenous incision and thrombus removal, in particular to a self-disinfection drainage tube after arteriovenous incision and thrombus removal.

Background

The blood vessel embolism refers to blood coagulation in blood vessels and embolism lumen, and blood flow can not pass through. Can be caused by the spasm of blood vessels for a long time, and can also be caused by blood factors, such as blood viscosity increase, platelet aggregation and destruction, etc., to cause the embolism of blood vessels. After embolization of a blood vessel, the organ that supplies the blood vessel becomes ischemic and even necrotic, and the embolization is usually removed by surgery, which is called arteriotomy if it occurs in an artery.

In the postoperative care of taking a thrombus through arteriotomy, the hydrops is generated in the abdominal cavity along with the functional disorder of some abdominal organs (particularly after the thrombus is taken through the arteriotomy), so that a drainage tube is usually required to be placed in the abdominal cavity in the operation process, and the hydrops in the abdominal cavity is timely led out when the hydrops in the abdominal cavity is generated.

The existing drainage tubes are common medical silica gel drainage tubes, in the actual care, the connection part of the drainage tube and the abdominal cavity needs to be kept dry, and once the drainage tube is not noticed, the relevant infection of the catheter is likely to occur; in order to prevent infection or eliminate infection when infection occurs, in daily care, the drainage tube needs to be pulled out for a certain distance by force regularly, and then alcohol or iodophor is smeared on the surface of the drainage tube for disinfection.

Disclosure of Invention

In order to solve the risk of bacterial infection caused by frequent plugging and unplugging of the drainage tube for disinfection in the prior art, the invention provides the self-disinfection drainage tube after the arteriotomy and embolectomy, the outer wall of the drainage tube is sleeved with the drug seepage tube, the drug seepage tube is fixed with abdominal tissues and muscles, and meanwhile, the disinfection of the drainage tube and the inflammation diminishing of the tissues and muscles are realized by utilizing the drug seepage holes on the surface of the drug seepage tube.

The technical scheme adopted by the invention for solving the technical problems is as follows: a self-disinfection drainage tube after an arteriotomy and embolectomy comprises an inner tube body and an outer tube body, wherein the inner tube body is positioned in the abdominal cavity of a patient, the outer tube body is positioned outside the patient and is used for being connected with a drainage bag, a section of medicine infiltration tube is sleeved outside the inner tube body, the inner tube body can be drawn out or inserted along the medicine infiltration tube under the action of external force, the medicine infiltration tube comprises a sleeve made of medical silica gel, a cavity is formed in the side wall of the sleeve, a liquid storage cavity is formed by filling polyvinyl alcohol fibers in the cavity, and liquid medicine is injected into the liquid storage cavity through a liquid medicine filling port; the surface of the drug permeating pipe is divided into a drug permeating area with drug permeating holes and a non-drug permeating area without drug permeating holes, the drug permeating holes in the drug permeating area are distributed on the inner side wall and the outer side wall of the drug permeating pipe and are respectively used for slowly releasing drug liquid in the liquid storage cavity to the surface of the inner pipe body and abdominal tissues in contact with the outer side wall of the drug permeating pipe, and when the inner pipe body is drawn out or inserted, the surface of the inner pipe body is automatically coated with the drug liquid.

As an optimized scheme for the self-disinfection drainage tube after the arteriotomy, the top end of the drug infiltration tube is provided with a flexible silica gel disc surrounding the outer tube body, the flexible silica gel disc is fixedly connected with the skin on the surface of the abdomen, the drug solution filling port is arranged on the upper surface of the flexible silica gel disc, and the drug solution filling port injects drug solution into the liquid storage cavity through a pore channel in the flexible silica gel disc.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the center of the flexible silica gel disc is provided with a mounting hole for the inner tube to pass through, the inner diameter of the mounting hole is larger than the outer diameter of the inner tube, an annular elastic extension part is arranged around the edge of the inner wall of the mounting hole and in interference fit with the outer wall of the inner tube, and therefore after the inner tube is inserted into the mounting hole, the annular elastic extension part completely seals the outer wall of the top of the inner tube.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the center of the flexible silica gel disc is provided with a mounting hole for the inner tube to pass through, the inner diameter of the mounting hole is larger than the outer diameter of the inner tube, and an elastic sealing skin which is fixedly connected with the outer tube is arranged around the top of the mounting hole, so that the mounting hole and the inner tube are isolated from the outside.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the inner diameter of the drug permeation tube is larger than the outer diameter of the inner tube body, so that a drug permeation gap is formed between the drug permeation tube and the inner tube body, the bottom of the drug permeation tube is provided with an annular sealing ring, the annular sealing ring is in interference fit with the outer wall of the inner tube body, so that the bottom end of the drug permeation gap is sealed, the top of the drug permeation gap is provided with an annular elastic extension part, and the annular elastic extension part is in interference fit with the outer wall of the inner tube body, so that the top end of the drug permeation gap is sealed.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the bottom end of the drug infiltration tube is provided with a blocking air bag surrounding the inner tube body, the blocking air bag comprises an annular air bag and a pumping and discharging air tube used for inflating or exhausting air into the annular air bag, the pumping and discharging air tube is communicated with the annular air bag through a gas guide tube penetrating through the liquid storage cavity, and the annular air bag protrudes out of the outer side wall of the drug infiltration tube after inflation, so that a drug solution blocking part is formed.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, a partition plate surrounding an inner tube body is arranged in the liquid storage cavity, the partition plate divides the outer side of the liquid storage cavity into an annular independent cavity, and the independent cavity is filled with different medicines in the liquid storage cavity through another filling tube.

As another optimized scheme of the self-disinfection drainage tube after the artery incision and embolectomy, the bottom end of the inner tube body is provided with a hemispherical expansion part which is of a hollow structure, and the center of the inner tube body is provided with a liquid outlet.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the middle part of the outer tube body is provided with a corrugated section so that the outer tube body has bending property at the corrugated section, and the corrugated section divides the outer tube body into a connecting part of which the upper part is connected with the drainage bag and a handheld part of which the lower part is used for pulling out or inserting the inner tube body.

As another optimized scheme of the self-disinfection drainage tube after the arteria incision embolectomy, an annular clamping table protruding inwards is arranged at a position which is not higher than the medicine seepage tube in the inner tube, a blocking plug is arranged in the outer tube and is in threaded connection with the end part of the outer tube, an expansion air bag is arranged in the blocking plug, and the expansion air bag is matched with the annular clamping table after being inflated and expanded to cut off a drainage channel in the inner tube.

As another optimized scheme of the self-disinfection drainage tube after the artery incision embolectomy, the plugging plug comprises a plug cover covering the end part of the outer tube body, an outer connecting cylinder extending downwards is arranged around the edge of the plug cover, the inner wall of the outer connecting cylinder is in threaded fit connection with the outer wall of the end part of the outer tube body, a connecting rod extending downwards is arranged in the center of the plug cover, after the plug cover is in threaded connection with the outer tube body, the bottom end of the connecting rod extends to the annular clamping table, and the expansion air bag is arranged at the bottom end of the connecting rod and is filled with or pumped out air through an air hole in the connecting rod.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the center of the sealing plug is provided with an inner connecting tube extending downwards, the top of the inner connecting tube is opened to form an inflation area, the bottom of the inflation area is provided with a hollow connecting rod, when the end part of the outer tube body is sealed by the sealing plug, the bottom end of the connecting rod extends to the annular clamping table, the expansion air bag is arranged at the bottom end of the connecting rod, a self-inflation assembly can be inserted or pulled out from the inflation area, and the inflation expansion or exhaust contraction of the expansion air bag is realized by the insertion or the pulling out of the self-inflation assembly.

As another optimized scheme of the self-disinfection drainage tube after the arteriotomy and embolectomy, the self-inflation assembly comprises a plugging plate and a rubber plug arranged below the plugging plate through a push-pull rod, the rubber plug is inserted into the inner connecting cylinder and then matched with the inner wall of the inner connecting cylinder, and air in an inflation area is downwards extruded to enter the inflation air bag, so that the inflation air bag is expanded and a dialysate passage in the inner tube body is cut off.

Compared with the prior art, the invention has the following beneficial effects:

1) the outer wall of the drainage tube is sleeved with the drug seepage tube, the disinfection of the drainage tube and the inflammation diminishing of tissue muscles are realized by utilizing the drug seepage holes on the surface of the drug seepage tube while the drug seepage tube is fixed with abdominal tissues and muscles, the position of the drug seepage tube is fixed when the drainage tube is plugged and pulled, the pain of a patient is relieved, meanwhile, the disinfection of the outer wall of the drainage tube is completed in the process of plugging and pulling the drainage tube, and the risk of bacterial infection is reduced; a liquid storage cavity formed by polyvinyl alcohol fibers is filled in the drug permeation tube and is divided into a drug permeation region and a drug non-permeation region, the drug permeation region is provided with drug permeation holes on the surface, the drug non-permeation region is closer to the surface of the skin relative to the drug permeation region, so that the skin on the outer surface is kept dry, drugs such as inflammation diminishing drugs and sterilization drugs can be slowly released in the drug permeation region inside, the infection is prevented, or the anti-inflammation drugs are input when the infection occurs, and the drugs in the liquid storage cavity can be selectively dripped according to the needs;

2) the drainage tube is fixed by designing the flexible silica gel disc, the liquid medicine filling opening is arranged on the flexible silica gel disc, the liquid medicine filling opening can be used as a liquid medicine adding opening and also can be used as a liquid sampling tube, when inflammation or infection and other symptoms occur in the body, the liquid medicine filling opening can be embodied in tissue liquid, infection germs can enter the liquid storage cavity along with the tissue liquid and are extracted through the liquid sampling tube, and whether infection occurs can be judged through testing; in order to prevent the inner pipe body from being infected, the annular elastic extension part is arranged on the mounting hole in the middle of the flexible silica gel disc through which the inner pipe body passes, and external bacteria are prevented from entering the outer wall of the inner pipe body by utilizing the interference fit of the annular elastic extension part and the outer wall of the inner pipe body, and the annular elastic extension part can play a role of a scraping plate when the inner pipe body is inserted and pulled, so that liquid medicine is uniformly coated on the inner pipe body; or the elastic sealing skin is arranged on the mounting hole, the mounting hole and the inner pipe body are sealed by the elastic sealing skin at ordinary times, the elastic sealing skin is driven to stretch when the inner pipe body is pulled out upwards, the inner pipe body is contacted with the liquid medicine in the medicine seepage gap in the process to finish disinfection, and the inner pipe body cannot be contacted with the outside air to prevent infection;

3) the bottom of the drug infiltration pipe is provided with the blocking air bag which protrudes out of the side wall of the inner pipe body when being inflated to form a drug liquid blocking part, so that drug liquid is prevented from flowing into the abdominal cavity along the outer side wall of the drug infiltration pipe; in addition, a partition plate can be designed in the liquid storage cavity, so that an independent cavity is separated from the liquid storage cavity, and different medicines are injected into the independent cavity and the liquid storage cavity, so that abdominal muscles and tissues are realized;

4) the invention arranges a ring-shaped clamping table in the inner tube body, and simultaneously realizes the blocking of the inner tube body by utilizing the matching of the expansion air bag in the blocking plug and the blocking plug.

Drawings

FIG. 1 is a schematic structural view of the present invention without diversion;

FIG. 2 is a schematic view of the self-inflating assembly of the present invention in pulling a plug;

FIG. 3 is a schematic view of the present invention during drainage but before the drainage bag is attached;

FIG. 4 is a schematic view of the inner tube being pulled up for sterilization;

FIG. 5 is a schematic view of the balloon being blocked from contracting for tube drawing;

FIG. 6 is a schematic view of a structure of the drug permeation tube;

FIG. 7 is a schematic diagram of a flexible silicone disc;

FIG. 8 is a schematic view of another construction of a flexible silicone disc;

FIG. 9 is a schematic view of the flexible silicone disc of FIG. 8 during pulling up of the inner tube;

FIG. 10 is another structural diagram of the drug infiltration tube;

FIG. 11 is an enlarged partial view of the drug-impregnated tube of FIG. 10;

FIG. 12 is a schematic view of a plug;

FIG. 13 is a schematic structural view of a self-inflating assembly;

reference numerals: 1. inner tube body, 101, expansion part, 102, liquid outlet, 103, annular clamping table, 2, drug permeating tube, 201, sleeve, 202, liquid storage cavity, 203, non-drug permeating area, 204, drug permeating area, 205, annular sealing ring, 206, drug permeating gap, 207, separation plate, 208, independent cavity, 3, flexible silica gel disc, 301, disc, 302, drug liquid pouring opening, 303, mounting hole, 304, annular elastic extension part, 305, elastic sealing skin, 4, outer tube body, 401, connecting part, 402, corrugated segment, 403, handheld part, 5, blocking air bag, 501, annular air bag, 502, drug liquid blocking part, 503, gas conduit, 504, exhaust tube, 6, blocking plug, 601, plug cover, 602, inner connecting tube, 603, inflating area, 604, connecting rod, 605, inflating air bag, 606, outer connecting tube, 7, self-inflating component, 701, blocking plate, 702, thread, connecting pad, 703, Push-pull rod 704, rubber stopper.

Detailed Description

The technical solution of the present invention is further described below with reference to specific embodiments, and the materials and dimensions of the drug permeation tube 2, the connection between the inner tube 1 and the outer tube 4, and how the outer tube 4 is connected to the drainage bag, which are not described in the following embodiments, are all the prior art, and are not described herein again.

Example 1

A self-disinfection drainage tube after an arteriotomy and embolectomy comprises an inner tube body 1 positioned in the abdominal cavity of a patient and an outer tube body 4 positioned outside the patient and used for being connected with a drainage bag, wherein the outer tube body 4 is positioned outside the patient and is closed at ordinary times, as shown in figure 1, when drainage is needed, the outer tube body 4 is opened as shown in figures 2 and 3 and is connected to the drainage bag, and the outer tube body 4 and the inner tube body 1 are actually an integral tube and are only positioned in the body and body positions of the patient; a section of medicine permeating tube 2 is sleeved outside the inner tube body 1, the inner tube body 1 can be drawn out or inserted along the medicine permeating tube 2 under the action of external force, as shown in fig. 6, the medicine permeating tube 2 comprises a sleeve 201 made of medical silica gel, two ends of the sleeve 201 are open, a channel matched with the inner tube body is formed in the middle of the sleeve 201, a cavity is formed in the side wall of the sleeve 201, the sleeve 201 is a cylindrical piece formed by rolling up a hollow medical silica gel rectangular plate and then adhering the hollow portion of the rectangular plate end to end, an annular cavity is formed in the hollow portion of the rectangular plate, a liquid storage cavity 202 is formed by filling polyvinyl alcohol fibers in the cavity, and liquid medicine is filled into the liquid storage cavity 202 through a liquid medicine filling opening 302; the surface of the drug infiltration tube 2 is divided into a drug infiltration area 204 with drug infiltration holes and a non-drug infiltration area 203 without drug infiltration holes, the drug infiltration holes of the drug infiltration area 204 are distributed on the inner side wall and the outer side wall of the drug infiltration tube 2 and are respectively used for slowly releasing the drug liquid in the liquid storage cavity 202 to the surface of the inner tube body 1 and abdominal tissues in contact with the outer side wall of the drug infiltration tube 2, and when the inner tube body 1 is drawn out or inserted, the surface of the inner tube body 1 is automatically coated with the drug liquid, as shown in fig. 4.

In this embodiment, the drug permeation hole is a through hole with a diameter not more than 1mm, and is communicated with the liquid storage cavity 202 and the inner and outer side walls, so that the liquid medicament in the liquid storage cavity 202 can slowly permeate through the drug permeation hole, and can continuously and slowly act on the internal tissue and the inner tube body 1; drug-impregnated zone 204 is located within the rectus abdominis muscle and tissue, and non-impregnated zone 203 is closer to the skin surface than drug-impregnated zone 204 to keep the outer skin dry.

The foregoing is a basic embodiment of the present invention, and further modifications, optimizations and limitations can be made on the foregoing, so as to obtain the following examples:

example 2

This embodiment is an improved scheme based on embodiment 1, and the main structure thereof is the same as embodiment 1, and the improvement point is that: as shown in fig. 6, the top end of the drug permeation tube 2 is provided with a flexible silica gel disc 3 surrounding the outer tube body 4, the flexible silica gel disc 3 is a disc 301 made of silica gel material and can be attached to the skin of the abdomen of a patient so as to assist the drainage tube in fixing and prevent displacement or falling off, the flexible silica gel disc 3 is actually a disc with a through hole in the middle, the flexible silica gel disc 3 is fixedly connected with the skin of the surface of the abdomen, the drug solution filling port 302 is arranged on the upper surface of the flexible silica gel disc 3, the drug solution filling port 302 is a tubular member protruding out of the surface of the flexible silica gel disc 3, the flexible silica gel disc 3 is usually sealed by a plug, and when a drug needs to be filled, the plug is opened for filling; of course, the liquid medicine filling opening 302 may also be an opening hole or a groove formed on the upper surface of the flexible silicone disc 3, but when the medicine is not required to be filled, a plug is required to seal the opening hole or the groove; and the liquid medicine filling port 302 injects the liquid medicine into the liquid storage cavity 202 through the pore channel in the flexible silica gel disc 3.

In this embodiment, liquid medicine filling opening 302 can also regard as liquid sampling pipe to use, tests through the liquid in the external sampling instrument extraction stock solution chamber 202 to whether the inspection takes place to infect, and external sampling instrument generally chooses for use the syringe can, because ooze the existence in medicine hole, in case take place to infect, the bacterium can enter into stock solution chamber 202, examines through the liquid in the extraction stock solution chamber 202, will discover the bacterium.

Example 3

The present embodiment is an improved scheme based on embodiment 2, and the main structure of the present embodiment is the same as that of embodiment 2, and the improvement point is that: as shown in fig. 7, a mounting hole 303 for the inner tube 1 to pass through is formed in the center of the flexible silicone disc 3, an inner diameter of the mounting hole 303 is larger than an outer diameter of the inner tube 1, generally, the inner diameter of the mounting hole 303 is 2-3mm larger than the outer diameter of the inner tube 1, inner diameters of the inner tube 1 and the outer tube 4 are the same, an annular elastic extension 304 is formed around an inner wall edge of the mounting hole 303, a thickness of the annular elastic extension 304 is equal to a length of the mounting hole 303, or smaller than the length of the mounting hole 303, but at this time, a top plane of the annular elastic extension 304 is flush with a top plane of the mounting hole 303, and the annular elastic extension 304 is in interference fit with an outer wall of the inner tube 1, so that after the inner tube 1 is inserted into the mounting hole 303, the annular elastic extension 304 completely closes the top outer wall of the inner tube 1.

Example 4

The present embodiment is another modified scheme based on embodiment 2, and the main structure of the present embodiment is the same as that of embodiment 2, and the improvement point is that: as shown in fig. 8 and 9, the center of the flexible silicone disc 3 is provided with a mounting hole 303 for the inner tube 1 to pass through, the inner diameter of the mounting hole 303 is larger than the outer diameter of the inner tube 1, generally, the inner diameter of the mounting hole 303 is 2-3mm larger than the outer diameter of the inner tube 1, the inner diameter of the inner tube 1 is the same as the outer diameter of the outer tube 4, and an elastic sealing skin 305 is provided around the top of the mounting hole 303 and fixedly connected with the outer tube 4, as shown in fig. 8 and 9, the elastic sealing skin 305 is actually an annular thin sheet made of elastic material, the outer edge of the elastic sealing skin is fixedly arranged around the top edge of the mounting hole 303, the inner edge of the elastic sealing skin is fixedly connected with the lower part of the outer tube 4, so as to isolate the mounting hole 303 and the inner tube 1 from the outside and prevent dust and bacteria from entering the interface between the drug infiltration tube 2 and the inner tube 1 along the mounting hole 303, the elastic sealing skin 305 can be pulled outwards by pulling the outer tube 4, the elastic deformation is elongated, and the inner tube body 1 is gradually restored to the original position when being inserted inwards.

Example 5

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 6, the inner diameter of the drug permeation tube 2 is larger than the outer diameter of the inner tube body 1, so as to form a drug permeation gap 206 therebetween, the drug permeation gap 206 is communicated with the liquid storage cavity 202 through a drug permeation hole, so that the drug solution is distributed in the drug permeation gap 206, and when the inner tube body 1 is pulled out or inserted, the surface of the inner tube body 1 is sterilized; an annular sealing ring 205 is arranged at the bottom of the drug permeation tube 2, the annular sealing ring 205 is in interference fit with the outer wall of the inner tube body 1, so as to complete the sealing of the bottom end of the drug permeation gap 206, an annular elastic extension part 304 is arranged at the top of the drug permeation gap 206, the annular elastic extension part 304 can be arranged at the top of the drug permeation tube 2, and of course, if a flexible silica gel disc 3 is arranged at the top of the drug permeation tube 2, the annular elastic extension part 304 is arranged at the top of a mounting hole 303 arranged at the center of the flexible silica gel disc 3; and the annular elastic extension part 304 is in interference fit with the outer wall of the inner tube body 1, so as to complete the sealing of the top end of the drug permeation gap 206.

Example 6

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 7, the bottom end of the drug infiltration tube 2 is provided with a blocking air bag 5 surrounding the inner tube body 1, the blocking air bag 5 comprises an annular air bag 501 fixed at the bottom end of the drug infiltration tube and a pumping air pipe 504 used for inflating or evacuating the annular air bag 501, the pumping air pipe 504 is a tubular member protruding out of the upper end of the drug infiltration tube 2, the tubular member is normally closed by a plug, when inflation and deflation are required, the plug is opened for inflation and deflation operation, the pumping air pipe 504 is communicated with the annular air bag 501 through a gas conduit 503 passing through the liquid storage cavity 202, and the annular air bag 501 protrudes out of the outer side wall of the drug infiltration tube 2 after inflation, so as to form a drug solution blocking part 502, after the annular air bag 501 is deflated, the surface of the bag is lower than the outer side wall of the drug infiltration tube 2, so as not to affect the extraction of the drug infiltration tube 2, as shown in fig. 5.

In this embodiment, the bottom of oozing medicine pipe 2 is preferred from the direction of lateral wall to the inside wall, the downward sloping gradually, annular gasbag 501 relies on the diapire setting of oozing medicine pipe 2 slope, like this, when not aerifing when being in the contraction state, its bag is in the bottom of oozing medicine pipe 2 completely, can not bulge the lateral wall, do not influence follow-up demolising and extracting of oozing medicine pipe 2, and after aerifing, annular gasbag 501 slopes to the outside arch of below, thereby form liquid medicine separation portion 502, the effect of liquid medicine separation portion 502 lies in, with abdominal muscle and tissue cooperation, prevent that the liquid medicine from getting into the abdominal cavity.

In this embodiment, when the top of the drug permeation tube 2 is provided with the flexible silica gel tray 3, the gas exhaust tube 504 is located on the surface of the flexible silica gel tray 3 and is located at a different position from the drug solution filling port 302, at this time, the gas exhaust tube 504 is a tubular member protruding out of the surface of the flexible silica gel tray 3, and is usually sealed by a plug, and when gas needs to be inflated and deflated, the plug is opened to perform the operation of inflation and deflation; of course, the exhaust tube 504 may be an opening hole or a groove formed on the upper surface of the flexible silicone disc 3, and it is only necessary to seal the opening hole or the groove with a plug at ordinary times.

Example 7

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 10 and 11, a partition plate 207 surrounding the inner tube 1 is disposed in the reservoir 202, the partition plate 207 divides the outside of the reservoir 202 into an annular independent chamber 208, the independent chamber 208 is filled with a different drug from that in the reservoir 202 through another filling tube, the top end of the filling tube is sealed by a plug and is opened only when the drug is required to be added, and the position of the filling tube is staggered with the drug filling port 302.

In this embodiment, the medicament in the separate chamber 208 is used for anti-inflammation of muscles and tissues, and the medicament in the reservoir 202 is used for disinfection of the surface of the inner tube 1. This embodiment can also be combined with embodiment 6, namely, the blocking air bag 5 is arranged at the bottom of the medicine infiltration tube 2, and the air conduit 503 is positioned in the partition plate 207. This embodiment may be combined with embodiment 2, embodiment 3, or embodiment 4, in which the pouring tube extends to the upper surface of the flexible silicone rubber plate 3, and the position of the pouring tube, the liquid medicine pouring port 302, and the evacuation tube 504 are shifted from each other on the upper surface of the flexible silicone rubber plate 3.

Example 8

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 1 to 4, the bottom end of the inner tube 1 is provided with a hemispherical expansion part 101, the expansion part 101 is a hollow structure, and a liquid outlet 102 is provided at the center thereof.

In this embodiment, the expansion part 101 is also made of medical silica gel, the liquid outlet 102 is a rectangular hole, which is less likely to be blocked, and the expansion part 101 serves to protect the tissues in the abdominal cavity; the diameter of the hemisphere is the same as that of the inner pipe body 1, and the hemisphere surface is fixedly connected with the bottom end of the inner pipe body 1.

Example 9

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 3 and 8, the middle portion of the outer tube 4 is provided with a corrugated section 402, so that the outer tube 4 has flexibility at the corrugated section 402, thereby facilitating fixing, and the corrugated section 402 is designed to block the transmission of the collision force of the outer tube 4 to the inner tube 1. The bellows 402 is a tube formed of a foldable bellows made of an elastic material, which can be stretched and contracted and can maintain a stretched or contracted shape after stretching or contraction; and the corrugated section 402 divides the outer tube 4 into a connection part 401 having an upper part connected to the drainage bag and a hand-held part 403 having a lower part for pulling out or inserting the inner tube 1.

Example 10

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 10 and 11, an annular clamping table 103 protruding inward is disposed at a position in the inner tube 1 that is not higher than the drug permeation tube 2, a cross section of the annular clamping table 103 is a right triangle, a right-angle side of the right triangle is attached to the inner wall of the inner tube 1, a top end of the oblique side is attached to the inner wall of the inner tube 1, a bottom end extends toward the middle of the inner tube 1, a blocking plug 6 is disposed in the outer tube 4, the blocking plug 6 is in threaded connection with an end of the outer tube 4, an expansion airbag 605 is disposed in the blocking plug 6, and the expansion airbag 605 cooperates with the annular clamping table 103 after inflation and expansion, so as to cut off a drainage channel in the inner tube 1.

Example 11

The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 1 and 4, the sealing plug 6 includes a plug cap 601 covering the end of the outer tube 4, an outer connecting tube 606 extending downward is provided around the edge of the plug cap 601, the inner wall of the outer connecting tube 606 is in screw-fit connection with the outer wall of the end of the outer tube 4, a connecting rod 604 extending downward is provided in the center of the plug cap 601, after the plug cap 601 is in screw-fit connection with the outer tube 4, the bottom end of the connecting rod 604 extends to the annular clamping platform 103 but is slightly higher than the annular clamping platform 103, and the inflatable bladder 605 is provided at the bottom end of the connecting rod 604 and is filled with or evacuated from the air through the air hole in the connecting rod 604.

Example 12

This embodiment is an improved scheme based on embodiment 11, and the main structure thereof is the same as embodiment 11, and the improvement point is that: as shown in fig. 12, the plug 6 is provided with an inner connecting cylinder 602 extending downward at the center, a gap is formed between the outer side wall of the inner connecting cylinder 602 and the inner wall of the outer tube 4, or interference fit, the top of the inner connecting cylinder 602 is opened, thereby forming an inflation area 603, the bottom of the inflation area 603 is provided with a hollow connecting rod 604, the inside of the connecting rod 604 is provided with a through hole running through the length direction of the connecting rod, the diameter of the connecting rod 604 is a little bit thinner, the material is saved, and the connecting rod is lighter, when the end of the outer tube 4 is closed by the plug 6, the bottom end of the connecting rod 604 extends to the annular clamping platform 103, but is positioned slightly above the annular clamp 103, the inflatable bladder 605 is disposed at the bottom end of the connecting rod 604, and is communicated with the through hole in the connecting rod 604, a self-inflating component 7 can be inserted into or pulled out of the inflating area 603, and the inflation or the exhaust contraction of the inflatable air bag 605 can be realized by the insertion or the pulling out of the self-inflating component 7.

Example 13

This embodiment is an improved scheme based on embodiment 12, and the main structure thereof is the same as that of embodiment 12, and the improvement point is that: as shown in fig. 13, the self-inflating assembly 7 comprises a blocking plate 701 for closing the top opening of the inner tube 602 and a rubber stopper 704 disposed below the blocking plate 701 through a push-pull rod 703, wherein the push-pull rod 703 is thin, thereby saving material and reducing weight, and the rubber stopper 704 is inserted into the inner tube 602 and then engaged with the inner wall of the inner tube 602 to press the air in the inflating region 603 downward into the inflating bladder 605, thereby inflating the inflating bladder 602 and cutting off the dialysate passage in the inner tube 1.

In this embodiment, when the plugging plate 701 closes the top opening of the inner connecting cylinder 602, the rubber plug 704 is located at the bottom of the inner connecting cylinder 602; the inner connecting cylinder 602 has an inner size and a length designed so that the inner portion thereof is pressed by air into the inflatable bladder 605, and then the inflatable bladder 605 is fully inflated to cut off the drainage passage in the inner tube body 1.

In this embodiment, a threaded connection pad 702 is disposed at the center of the bottom of the plugging plate 701, an external thread is disposed at the edge of the threaded connection pad 702, an internal thread is disposed at the inner wall port of the inner connection cylinder 602, and the external thread of the threaded connection pad 702 is engaged with the internal thread, so as to fix the plugging plate 701 in the inner connection cylinder 602 and prevent the gas from escaping.

Claims (10)

1. The utility model provides a self-sterilizer drainage tube after arteria incisional embolectomy, is including interior body (1) that is in patient's abdominal cavity and the external body (4) that is used for being connected with the drainage bag that is in the patient, its characterized in that: the outer portion of the inner tube body (1) is sleeved with a section of medicine permeating tube (2), the inner tube body (1) can be drawn out or inserted into the medicine permeating tube (2) under the action of external force, the medicine permeating tube (2) comprises a sleeve (201) made of medical silica gel, a cavity is formed in the side wall of the sleeve (201), a liquid storage cavity (202) is formed by filling polyvinyl alcohol fibers into the cavity, and liquid medicine is injected into the liquid storage cavity (202) through a liquid medicine filling opening (302); the surface of the drug permeating pipe (2) is divided into a drug permeating area (204) with drug permeating holes and a non-drug permeating area (203) without drug permeating holes, the drug permeating holes of the drug permeating area (204) are distributed on the inner side wall and the outer side wall of the drug permeating pipe (2) and are respectively used for slowly releasing drug liquid in the liquid storage cavity (202) to the surface of the inner pipe body (1) and abdominal tissues in contact with the outer side wall of the drug permeating pipe (2), and when the inner pipe body (1) is drawn out or inserted, the surface of the inner pipe body (1) is automatically coated with the drug liquid.

2. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: ooze the top of pencil (2) and be provided with flexible silica gel dish (3) around outer body (4), this flexible silica gel dish (3) are connected fixedly with belly surface skin, liquid medicine fills mouth (302) and sets up the upper surface at flexible silica gel dish (3), and this liquid medicine fills mouth (302) and pours into the liquid medicine into stock solution chamber (202) into through the pore in flexible silica gel dish (3).

3. The post-arteriotomy self-disinfecting drain tube of claim 2, wherein: the flexible silica gel plate is characterized in that a mounting hole (303) for the inner pipe body (1) to penetrate is formed in the center of the flexible silica gel plate (3), the inner diameter of the mounting hole (303) is larger than the outer diameter of the inner pipe body (1), an annular elastic extension portion (304) is arranged on the edge of the inner wall surrounding the mounting hole (303), and the annular elastic extension portion (304) is in interference fit with the outer wall of the inner pipe body (1), so that after the inner pipe body (1) is inserted into the mounting hole (303), the annular elastic extension portion (304) completely seals the outer wall of the top of the inner pipe body (1).

4. The post-arteriotomy self-disinfecting drain tube of claim 2, wherein: the flexible silica gel disc (3) is provided with a mounting hole (303) for the inner pipe body (1) to pass through in the center, the inner diameter of the mounting hole (303) is larger than the outer diameter of the inner pipe body (1), and an elastic sealing skin (305) which is fixedly connected with the outer pipe body (4) is arranged around the top of the mounting hole (303), so that the mounting hole (303) and the inner pipe body (1) are isolated from the outside.

5. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: the internal diameter of oozing medicine pipe (2) is greater than the external diameter of interior body (1) to form between the two and ooze medicine gap (206), bottom oozing medicine pipe (2) has ring packing (205), and this ring packing (205) and the outer wall interference fit of interior body (1), thereby accomplish the closure to oozing medicine gap (206) bottom, the top of oozing medicine gap (206) is provided with annular elasticity extension (304), and the outer wall interference fit of annular elasticity extension (304) and interior body (1), thereby accomplish the closure to oozing medicine gap (206) top.

6. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: the bottom of oozing medicine pipe (2) is provided with separation gasbag (5) around interior body (1), and this separation gasbag (5) are including annular gasbag (501) and be used for to annular gasbag (501) in aerifing or exhaust gas take out trachea (504), take out trachea (504) and annular gasbag (501) intercommunication through passing gas conduit (503) in stock solution chamber (202), and annular gasbag (501) bulge oozes the lateral wall of medicine pipe (2) after aerifing to form liquid medicine separation portion (502).

7. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: a partition plate (207) surrounding the inner tube body (1) is arranged in the liquid storage cavity (202), the partition plate (207) divides the outer side of the liquid storage cavity (202) into an annular independent cavity (208), and the independent cavity (208) is filled with different medicines in the liquid storage cavity (202) through another filling tube.

8. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: the bottom end of the inner tube body (1) is provided with a hemispherical expansion part (101), the expansion part (101) is of a hollow structure, and the center of the expansion part is provided with a liquid outlet (102).

9. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: the middle part of the outer tube body (4) is provided with a corrugated section (402) so that the outer tube body (4) has flexibility at the corrugated section (402), and the corrugated section (402) divides the outer tube body (4) into a connecting part (401) with the upper part connected with a drainage bag and a handheld part (403) with the lower part used for pulling out or inserting the inner tube body (1).

10. The post-arteriotomy self-disinfecting drain tube of claim 1, wherein: the inner position of the inner tube body (1) is not higher than the position of the drug permeation tube (2) and is provided with an annular clamping table (103) protruding inwards, a sealing plug (6) is arranged in the outer tube body (4), the sealing plug (6) is in threaded connection with the end part of the outer tube body (4), an expansion air bag (605) is arranged in the sealing plug (6), and the expansion air bag (605) is matched with the annular clamping table (103) after being inflated and expanded to cut off a drainage channel in the inner tube body (1).

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