CN116370177A

CN116370177A - Safety tube suite

Info

Publication number: CN116370177A
Application number: CN202211317784.1A
Authority: CN
Inventors: 陈革; 程跃; 刘冠琳; 李强; 刘亚东
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-07-04

Abstract

The invention provides a safety tube sleeve, which comprises a safety tube and a fixing part, wherein the fixing part is connected with the safety tube, the fixing part comprises a body layer, an adhesive layer and a separable layer, the body layer and the separable layer are respectively arranged on the outer side and the inner side of the adhesive layer, the fixing part is adhered to the surface of a patient body by stripping the separable layer so as to fix the safety tube, the safety tube comprises an outer tube and an inner tube connected inside the outer tube, the inner tube is provided with a guide channel, the outer tube is provided with at least one drainage channel and at least one drainage groove communicated with the drainage channel, and the outer tube and the inner tube are both made of or part of degradable materials, so that drainage and construction of a secondary channel are facilitated, tube drawing is not needed, pain of the patient is relieved, and recovery of the patient is facilitated.

Description

Safety tube suite

Technical Field

The invention relates to the field of medical appliance, in particular to a degradable safety tube kit for operation.

Background

The nephrostomy tube is used as a drainage tube for operation, and plays an important role in the operation or operation recovery process of a human body. Mainly by puncturing or cutting kidney parenchyma, one part of the catheter extends into the renal pelvis, and the other part is outside the skin, so that urine, pus and blood can be drained to the outside of the body, and the early recovery of a patient is assisted. In particular, nephrostomy is suitable for ureteral obstruction, nephropysis, and ureteral occlusion symptoms caused by advanced bladder cancer, so as to be suitable for drainage of renal pelvis, improving renal function, relieving infection of renal pelvis and renal parenchyma, and placing a nephrostomy tube in a nephrostomy channel for a preset time to assist drainage after kidney stone operation.

For example, a nephrostomy tube needs to be placed in percutaneous nephrolithotomy. Percutaneous nephrolithotomy is to establish a skin-to-kidney passage in the waist, insert the nephroscope into the kidney through the passage, and break up and remove the kidney stones by using laser, ultrasound and other lithotripsy tools. Fistulization pipes are needed during or after operation, on one hand, the fistulization pipes play a role in drainage, and on the other hand, the fistulization pipes can play a role in compression hemostasis due to bleeding phenomenon during or after operation. After the operation, the nephrostomy tube is timely removed according to the clinical rehabilitation condition. After tube drawing, if the bleeding amount is small, a doctor can place hemostatic gauze and the like at the wound position to stop bleeding, but the gauze is easy to fall off and cannot achieve the effect of complete hemostasis. In addition, over time, it may be found that the condition is poor and a secondary operation is required, where reinsertion of the relevant instruments from the possibly healed wound site to reconstruct the operative corridor may result in a larger or even more severe wound, a slower recovery and a more painful patient.

Percutaneous nephrolithotomy is merely illustrative of the disadvantage of constructing a secondary surgical path to the patient, and other operations on the kidney also suffer from the problem of constructing a secondary surgical path, which is in need of resolution.

Disclosure of Invention

It is an object of the present invention to provide a safety tube set which, after being secured to the patient's body, on the one hand, functions as drainage and, on the other hand, facilitates the construction of a secondary surgical path without secondary trauma to the patient's wound site.

Another object of the present invention is to provide a safety tube set, wherein the safety tubes are made of degradable materials, and can be completely degraded in the in-vivo environment, so that tube drawing is not needed, and pain of patients is reduced.

Another object of the present invention is to provide a safety tube set, wherein the outer tube of the safety tube is made of degradable material, and the inner tube is made of non-degradable material, so that the part of the outer tube of the safety tube in the body can be automatically degraded, the undegraded inner core is convenient for constructing a secondary operation channel, and the undegraded smaller inner tube is also convenient for pulling out, which is beneficial for patient recovery.

It is another object of the present invention to provide a safety tube set, wherein after the undegraded inner tube of the safety tube set is pulled out, a hemostatic plug can be used for compression hemostasis, wherein the hemostatic plug can be automatically degraded, which is beneficial for patient recovery.

Another object of the present invention is to provide a safety tube set, wherein the inner portion of the safety tube has a plurality of spaced drainage ports, so that the blood stasis in the body can flow out without blocking the tube.

It is a further object of the present invention to provide a safety tube set wherein the length of the safety tube set into the patient is allowed to be properly adjusted to accommodate different patients, improving the flexibility and practicality of the safety tube set and increasing the range of applications.

Another object of the present invention is to provide a safety tube set, wherein the safety tube can be sealed by a sealing member, so that foreign matters can be effectively prevented from entering the body, and the sealing member can be opened when drainage is needed.

Another object of the present invention is to provide a safety tube set, wherein the safety tube and the sealing member are connected in various manners, and the safety tube set has the advantages of simple process, low cost and firm sealing.

It is another object of the present invention to provide a safety tube set, wherein the safety tube set can be fixed on the patient body, and the part outside the patient body falls off by itself after the part inside the patient body is degraded, which is not only beneficial to the healing of the wound position of the patient, but also reduces the workload of medical staff.

To achieve the above objects and other objects and advantages in accordance with the purpose of the invention, there is provided a safety tube kit including:

The safety tube is provided with a guide channel, at least one drainage channel and at least one drainage groove, wherein the drainage channel is communicated with the drainage groove so as to drain accumulated liquid to the outside of the body, the safety tube comprises an inner tube and an outer tube connected with the inner tube and encircling the outer part of the inner tube, the guide channel is arranged on the inner tube, and the drainage channel and the drainage groove are both arranged on the outer tube and are positioned on the outer side of the guide channel; and

the fixing part is connected to the safety tube, the fixing part comprises a body layer, an adhesive layer and a separable layer, the adhesive layer is arranged on the inner side surface of the body layer, the separable layer is arranged on the inner side surface of the adhesive layer, and the separable layer is peeled off, so that the fixing part is adhered to the surface of a patient body to fix the safety tube.

The safety tube further comprises a front safety tube section and a rear safety tube section, the safety tube further comprises at least one fluid outlet communicated with the drainage channel and a guide inlet communicated with the guide channel, the drainage groove is arranged on the front safety tube section, the fluid outlet and the guide inlet are arranged at the tail end of the rear safety tube section, and the drainage channel and the guide channel extend from the rear safety tube section to the front safety tube section.

The safety tube further comprises an expansion section, the expansion section is arranged at the joint of the front section of the safety tube and the rear section of the safety tube, the expansion section comprises an expansion main body, an expansion cavity, an inflation channel and an inflation port, the inflation channel is communicated with the expansion cavity and the inflation port, the fluid outlet and the guiding inlet are adjacently arranged at the tail end of the rear section of the safety tube.

According to one aspect of the invention, the expansion body is integrally connected with the outer tube, the expansion chamber is located between the outer tube and the expansion body, the inflation channel is arranged on the outer tube, and the expansion body is made of degradable materials.

According to another aspect of the invention, the expansion body is connected to the outer tube, the expansion chamber is located inside the expansion body, the inflation channel is arranged on the outer tube, and the expansion body is made of degradable materials.

According to another aspect of the invention, the inflation body is connected to the inner tube, the inflation lumen is located inside the inflation body, and the inflation channel is provided in the inner tube.

The outer tube is connected with the inner tube through at least one reinforcing rib, the guide channel is arranged in the inner tube, the drainage channel is arranged in the outer tube, the outer tube and the inner tube are manufactured in a layered mode, the outer tube is made of degradable materials, and the inner tube and the expansion main body are made of non-degradable materials.

Wherein the outer tube and the inner tube are manufactured in layers, the guide channel is arranged on the inner tube, and the drainage channel is arranged on the outer tube, wherein the outer tube is made of degradable materials.

The outer tube is connected with the inner tube through at least one reinforcing rib, the guide channel is arranged in the inner tube, the drainage channel and the inflation channel are arranged in the outer tube, the outer tube and the inner tube are manufactured in a layered mode, and the outer tube and the reinforcing rib are made of degradable materials.

The outer tube is connected with the inner tube through at least one reinforcing rib, the guide channel is arranged in the inner tube, the drainage channel is arranged in the outer tube, the inflation channel is arranged in the reinforcing rib, the outer tube and the inner tube are manufactured in a layered mode, and the outer tube is made of degradable materials.

The outer tube with the manufacturing of inner tube integrated into one piece, guide passageway be set up in the inner tube, drainage passageway be set up in the outer tube, outer tube with the inner tube all adopts degradable material to make.

Wherein the degradable material comprises one or more of gelatin, cellulose, heparin, chitin, silk, starch, chitosan, alginate, chitin, hyaluronic acid derivative, natural polyester, polyorthoester, polyglycolic acid, polylactic acid-glycolic acid copolymer, aliphatic polyester or polycaprolactone.

According to one aspect of the present invention, the safety tube further comprises a sealing member including a sealing cap and a connection band, wherein the connection band is connected between the fixing portion and the outer tube, the sealing cap is disposed on the outer side surface of the body layer, the fixing portion has a through hole, the sealing cap has a sealing cavity, the sealing cavity is communicated with the through hole, and the through hole and the sealing cavity are matched with the end of the safety tube, so that the safety tube passes through the through hole and enters the sealing cavity to be detachably sleeved on the safety tube.

According to one aspect of the invention, the safety tube further comprises a sealing member including a sealing plug and a connecting band connected between the fixing portion and the outer tube, the sealing plug being provided on an inner side surface of the adhesive layer, the sealing plug being matched with the safety tube to detachably seal the safety tube.

According to one aspect of the invention, the fixing portion is fixed to the outer tube, and the fixing portion has a communication hole to accommodate the safety tube, the safety tube further comprising a sealing member including a sealing plug and a connecting band, wherein the connecting band is connected between the fixing portion and the sealing plug so that the sealing plug detachably seals the safety tube.

Wherein the sealing plug comprises at least one drainage plug head and a guide plug head, wherein the quantity and the specification of the drainage plug head and the guide plug head are respectively matched with the drainage channel and the guide channel so as to respectively and detachably seal the drainage channel and the guide channel.

The sealing plug comprises at least one drainage plug head, a guide plug head and an inflation plug head, wherein the quantity and the specification of the drainage plug head, the guide plug head and the inflation plug head are respectively matched with the fluid outlet, the guide inlet and the inflation inlet so as to respectively and detachably seal the drainage channel, the guide channel and the inflation channel.

Drawings

Fig. 1 is a schematic perspective view of a safety tube set according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of the safety tube kit according to the above preferred embodiment of the present invention.

Fig. 3 is a schematic partial cross-sectional view of the safety tube kit according to the above preferred embodiment of the present invention.

Fig. 4 to 6 are schematic cross-sectional views of three safety tubes according to the above preferred embodiment of the present invention.

Fig. 7 is a schematic view of degradation process of the safety tube according to a preferred embodiment of the present invention.

Fig. 8 is a schematic view of degradation process of the safety tube according to another preferred embodiment of the present invention.

Fig. 9 is a schematic view showing a degradation process of the safety tube according to still another preferred embodiment of the present invention.

Fig. 10A is a schematic view of the application of the safety tube according to the above preferred embodiment of the present invention.

Fig. 10B and 10C are schematic views of the safety tube according to the above preferred embodiment of the present invention after being fixed.

Fig. 10D and 10E are schematic views illustrating the degradation process of the safety tube in vivo according to the above preferred embodiment of the present invention.

Fig. 10F is a process of constructing a secondary surgical channel through the inner tube after degradation of the outer tube of the safety tube according to the above preferred embodiment of the present invention.

Fig. 11 is a schematic perspective view of a safety tube according to another preferred embodiment of the present invention.

Fig. 12 is a schematic view illustrating the process of the safety tube entering the inner body according to the above preferred embodiment of the present invention.

Fig. 13 is a schematic view showing a structure in which the safety tube is sealed by a sealing member according to a preferred embodiment of the present invention.

Fig. 14 is a schematic view showing a structure in which the safety tube is sealed by a sealing member according to another preferred embodiment of the present invention.

Fig. 15 to 17 are schematic structural views of three kinds of sealing members according to the above preferred embodiment of the present invention.

Fig. 18 is a schematic view showing a structure in which the safety tube is sealed by a sealing member according to another preferred embodiment of the present invention.

Fig. 19 is a schematic view showing a structure in which the safety tube is not sealed according to the fourth preferred embodiment of the present invention.

Figure 20 is a schematic perspective view of a tampon according to a preferred embodiment of the present invention.

Fig. 21A to 21C are application diagrams of the safety tube and the tampon according to the above preferred embodiment of the present invention.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1 to 10F, a safety tube kit according to a preferred embodiment of the present invention is illustrated. The safety tube sleeve comprises a safety tube 10 and a fixing component 20, wherein the fixing component 20 is provided with a fixing channel 210, the fixing channel 210 is matched with the safety tube 10, so that the safety tube 10 is detachably connected with the fixing component 20, and the fixing component 20 is detachably connected with the skin of a patient, so that the safety tube 10 is firmly positioned on the body of the patient to drain urine, pus, blood or the like in a renal pelvis of the patient to the outside, and the quick recovery of the patient is facilitated.

The safety tube 10 has a guide channel 101, and in use, a guidewire 40 is inserted into the guide channel 101 to thereby deliver the flexible safety tube 10 to a predetermined location within a patient.

The safety tube 10 comprises at least one drainage channel 102 and at least one drainage groove 103, wherein the drainage groove 103 is communicated with the drainage channel 102, and liquid in a patient can be drained to the drainage channel 102 through the drainage groove 103 and then drained to the outside of the body.

According to one embodiment of the present invention, the safety tube 10 includes a front safety tube section 11, a rear safety tube section 12 and an expansion section 13, wherein the front safety tube section 11 and the rear safety tube section 12 are connected, and the expansion section 13 is externally connected to the connection between the front safety tube section 11 and the rear safety tube section 12, so that the safety tube 10 is formed by the three components. Wherein the front section 11 of the safety tube can be in a vertical state and a bending state, in this embodiment, the front section 11 of the safety tube is in a natural bending state, that is, a structure similar to a pigtail, and the front section of the safety tube 10 which is bent can reduce the stimulation to the body of a patient. As shown in fig. 10A and 10B, when a predetermined position of the patient's body is required, the flexible safety tube front section 11 in a bent state is substantially straightened by the guide wire 40 inserted into the guide channel 101 so that the safety tube front section 11 reaches the predetermined position, and after the guide wire 40 is withdrawn, the safety tube front section 11 returns to a natural bent state at the predetermined position to reduce irritation to the body.

Further, a plurality of drainage grooves 103 are disposed at intervals on the safety tube front section 11, and the drainage channel 102 is disposed at a position extending along the safety tube front section 11 to the safety tube rear section 12 and is in communication with the drainage grooves 103 at the safety tube front section 11. The guide channel 101 extends from the end of the rear safety tube section 12 to the top end of the front safety tube section 11 for insertion of a guidewire such that the front safety tube section 11 reaches a substantially straightened state for delivery into the patient.

The direction of insertion into the human body is defined as front, the direction of exposure to the outside of the human body is defined as rear, the direction near the front is defined as top, and the direction near the rear is defined as tail.

The drainage channel 102 passes through the safety tube front section 11, the expansion section 13 and the safety tube rear section 12 in sequence from front to back. That is, the expansion section 13 expands outside the drainage channel 102 at the expansion section 13, and expands to the periphery, without affecting the passage of the liquid or liquid-solid mixture through the drainage channel 102. The liquid-solid mixture refers to urine, pus, blood, etc. with blood clots, stones, etc.

The safety tube 10 comprises an outer tube 15 and an inner tube 16, the front section of the outer tube 15 and the front section of the inner tube 16 being connected together to form the safety tube front section 11, the rear section of the outer tube 15 and the rear section of the inner tube 16 being connected together to form the safety tube rear section 12. Wherein the drainage channel 102 is formed between the outer tube 15 and the inner tube 16, the drainage groove 103 is disposed at the front section of the outer tube 15, and the inner tube 16 has a hollow structure, that is, the guide channel 101 is formed inside the inner tube 16. In the present invention, the guide channel 101 may be in communication with the drainage channel 102, or may not be in communication with the drainage channel. When the two are communicated, the guide passage 101 and the drainage passage 102 may be communicated by providing through holes or grooves in the whole of the inner tube 16 or a part of the inner tube 16 at intervals.

Further, the safety tube has a fluid outlet 104 and a guiding inlet 105, the fluid outlet 104 being in communication with the fluid channel 102, the guiding inlet 105 being in communication with the guiding channel 101, wherein the fluid outlet 104 and the guiding inlet 105 are both arranged at the end of the rear section 12 of the safety tube.

The expansion section 13 has an expansion chamber 1301, an inflation channel 1302 and an inflation port 1303, the expansion chamber 1301 is communicated with the inflation channel 1302, the inflation port 1303 is located at an upper end portion of the inflation channel 1302 and is communicated with the inflation channel 1302, that is, the expansion chamber 1301 and the inflation port 1303 are located at two ends of the inflation channel 1302 and are communicated with the inflation channel 1302. The inflation channel 1302 is disposed inside the junction between the outer tube 15 and the inner tube 16.

The expansion section 13 further includes an expansion body 131, where the expansion body 131 is disposed on one of the outer tubes 15, and the expansion chamber 1301 is located on the expansion body 131, and when the expansion body 131 is in a natural state, i.e. an uninflated state, the expansion body 131 and the outer tube 15 are in a flush state, i.e. the uninflated expansion body 131 and the outer tube 15 together form an outer structure of the safety tube 10. When the expansion body 131 is inflated through the inflation port 1303 and the inflation channel 1302, the inside of the expansion chamber 1301 is inflated so that the expansion body 131 is in an expanded state, and at this time, the expansion body 131 protrudes from the outer tube 15.

It should be noted that the expansion section 13 is located at the lower portion of the connection portion between the fixing component 20 and the safety tube 10, so that when the safety tube 10 is inserted into the patient, the expansion section 13 is located in the patient, and the expansion section 13 is inflated to be in an expanded state, so as to play a certain role in blocking, so that the safety tube 10 can be prevented from easily sliding out of the body.

It should be noted that the expansion section 13 may be made of a special material, such as a material that can expand when being exposed to a liquid, or may be in an expanded state, so as to stabilize the safety tube 10.

As shown in fig. 4, according to an embodiment of the present invention, the outer tube 15F and the inner tube 16F are connected by a plurality of reinforcing ribs 17F. Specifically, the outer tube 15F is formed with four drainage channels 102F and four fluid outlets 104F at intervals, the guide channel 101F is disposed in the middle of the inner tube 16F, and the inflation channel 1302F is disposed in the reinforcing rib 17F or the outer tube 15F, and the position is not limited, and can communicate with the inflation chamber 1301 to inflate the inflation body 131. Wherein the inflation port 1303F, the fluid outlet 104F, and the pilot inlet 105F are all provided at the end of the safety tube rear section 12.

Each drainage channel 102F extends from each fluid outlet 104F arranged at the end of the rear section 12 of the safety tube to the top end of the front section 11 of the safety tube and is communicated with the internal environment of the patient through the drainage groove 103 so as to drain the effusion to the outside of the body; the inflation channel 1302F extends from the inflation port 1303F at the end of the safety tube rear section 12 to the inflation lumen 1301 to inflate the inflation lumen 1301; the guide channel 101F extends from the guide inlet 105F provided at the end of the rear section 12 of the safety tube to the top end of the front section 11 of the safety tube, and is in communication with the internal environment of the patient at the top end of the front section 11 of the safety tube, so that the guide wire can be extended into the internal environment through the guide channel 101F, and can also be used for draining the internal effusion to the outside.

According to another embodiment, the guiding channel 101F is closed at the top end of the front section 11 of the safety tube, and the guiding channel 101F is connected to the outside by providing at least one through hole in the front section of the inner tube 16F, which is connected to the drainage groove 130, or the guiding channel 101F may not be opened, so that the guiding channel 101F has no drainage function and only has guiding function, and thus the communication form of the guiding channel 101F is various and not limited by the example of the present invention.

As shown in fig. 5, according to an embodiment of the present invention, the outer tube 15G and the inner tube 16G are connected by a plurality of reinforcing ribs 17G, and the reinforcing ribs 17G are located between each of the drainage channels 102 and the guide channels 101G. Specifically, the outer tube 15G is formed with two drainage channels 102G and two fluid outlets 104G at intervals, the guide channel 101G is disposed in the middle of the inner tube 16G, and the inflation channel 1302G is disposed inside the reinforcing rib 17G or in the outer tube 15G, and the position is not limited, and can communicate with the expansion chamber 1301.

Each drainage channel 102G extends from each drainage body outlet 104G at the tail end of the rear section 12 of the safety tube to the top end of the front section 11 of the safety tube and is communicated with the internal environment of a patient through the drainage groove 103 so as to drain effusion to the outside of the body; the inflation passage 1302G extends from the inflation port 1303G at the end of the safety tube rear section 12 to the inflation lumen 1301 to inflate the inflation lumen 1301; the guide channel 101G extends from the guide inlet 105G at the end of the rear section 12 of the safety tube to the top end of the front section 11 of the safety tube, and is in communication with the internal environment of the patient at the top end of the front section 11 of the safety tube, so that the guide wire can be extended into the internal environment through the guide channel 101G, and can also be used for draining the internal effusion to the outside.

In the above two embodiments of the present invention, the

outer pipes

15F and 15G, the

inner pipes

16F and 16G, the reinforcing

ribs

17F and 17G, and the expansion body 131 are suitably manufactured by integral molding, or may be manufactured by layering.

As shown in fig. 6, according to one embodiment of the present invention, the safety tube 10H includes a safety tube body 18H, and the safety tube front section 11 and the safety tube rear section 12 constitute the safety tube body 18H. That is, the outer tube 15H and the inner tube 16H are integrally formed, and the outer tube 15H and the inner tube 16H are integrally formed, which together constitute the safety tube main body 18H.

In addition, three passages of a predetermined specification, that is, the guide passage 101H, the fluid passage 102H, and the inflation passage 1302H, are provided at intervals inside the safety tube main body 18H. Wherein the drainage channel 102H extends from the drainage body outlet 104H at the tail end of the rear section 12 of the safety tube to the top end of the front section 11 of the safety tube and is communicated with the internal environment of a patient through the drainage groove 103 so as to drain effusion to the outside of the body; the inflation channel 1302H extends from the inflation port 1303H at the end of the safety tube rear section 12 to the inflation lumen 1301 to inflate the inflation lumen 1301; the guide channel 101H extends from the guide inlet 105H at the end of the rear section 12 of the safety tube to the top end of the front section 11 of the safety tube, and is in communication with the internal environment of the patient at the top end of the front section 11 of the safety tube, so that the guide wire can be extended into the internal environment through the guide channel 101H, and can also be used for draining the internal effusion to the outside.

As shown in fig. 9 and 10D, according to an embodiment of the present invention, the outer tube 15, the inner tube 16, the reinforcing ribs 17 and the expansion body 131 are integrally formed, wherein the outer tube 15, the inner tube 16, the reinforcing ribs 17 and the expansion body 131 are made of the same degradable material. In an in-vivo environment, the outer tube 15 and the inner tube 16 contact a similar in-vivo environment, and therefore, the outer tube 15 degrades more or less simultaneously with the inner tube 16 or the inner tube 16 degrades slightly slower. In addition, when the guide channel 101 does not have a drainage effect, the inner tube 16 contacts less in-vivo environment, and the outer tube 15 and the expansion body 131 contact more in-vivo environment, so that the outer tube 15 is degraded before the inner tube 16, and when the outer tube 15 is degraded, the inner tube 16 is degraded again slowly, as shown in fig. 8. In this embodiment, the inner tube 16 and the outer tube 15 may be made of different materials, and the inner tube 15 may be made of a material that degrades slowly, so that the inner tube 15 degrades slowly to construct a secondary operation channel.

According to one embodiment of the present invention, the expansion section 13 may be manufactured integrally with the outer tube 15, i.e. the expansion body 131 is integrally formed around the outer tube 15, such that the expansion chamber 1301 is located between the outer tube 15 and the expansion body 131. That is, the expansion body 131 forms the expansion chamber 1301 with the outer tube 15 as a part of the outer tube 15. The expansion body 1301 may have a double-layer structure, the expansion chamber 1301 is formed inside the double-layer structure, and the periphery of the expansion body 1301 of the double-layer structure is integrally formed on the outer tube 15, for example, by hot pressing or adhesion. In addition, the expansion section 13 and the outer tube 15 may be connected in other manners, for example, the expansion section 13 is a separate structure, and is adhered to the outside of the outer tube 15, the expansion chamber 1301 is surrounded by the expansion body 131, and the expansion chamber 1302 extends upward to form the inflation channel 1302 for inflating the expansion chamber 1301, so that the insertion of the safety tube 10 is not affected by the expansion section 13 with a separate structure. Therefore, the connection between the expansion section 13 and the outer tube 15 is merely an example, and is not limited to the above connection.

According to another embodiment of the present invention, the outer tube 15, the inner tube 16 and the expansion body 131 are manufactured in layers, in which case the circumferential edge of the expansion body 131 is further connected to the inner tube 16, and the inflation channel 1302 is provided inside the wall of the inner tube 16 outside the guide channel 101. Wherein the outer tube 15, the inner tube 16, the ribs 17 and the expansion body 131 are made of different materials. The outer tube 15 and the reinforcing ribs 17 are made of a material which is relatively easy to degrade, the inner tube 16 and the expansion body 131 are made of a material which is relatively slow to degrade or is not easily degraded, so that the outer tube 15 and the reinforcing ribs 17 are preferentially degraded in an in-vivo environment, and the inner tube 16 and the expansion body 131 are relatively slow to degrade or are not degraded, so that a secondary operation channel is conveniently constructed.

Specifically, when the outer tube 15 is degraded preferentially, the inner tube 16 remains still, and has drainage and guiding functions, and the expansion body 131 is also retained, so that the inner tube 16 can be prevented from sliding out of the body. Therefore, the doctor can observe the condition in the patient through the guide channel 101 of the inner tube 16, if the condition is bad, the secondary operation channel is constructed through the guide channel 101, so that secondary injury is not generated to the wound position, no new wound is generated, the pain to the patient is less, and the rehabilitation of the patient is facilitated, as shown in fig. 10E and 10F, the inner tube 16 is not degraded or is degraded slowly, so that the secondary operation channel is constructed.

In this case, if the inner tube 16 and the expansion body 131 are made of a material that degrades slowly, the inner tube need not be removed after the operation, but only further degradation in the body. If the outer tube 16 and the expansion body 131 are made of non-degradable materials, the inner tube 16 and the expansion body 131 are removed after the inflation lumen 1301 is deflated as appropriate after drainage is not needed. At this time, if there is a fear of bleeding, a tampon 30 may be placed in the original body passageway, as shown in fig. 20 to 21C, where the tampon 30 is degradable, and after being placed in the original passageway, is slowly degraded, so that the hemostatic effect is achieved, and the tampon is not required to be pulled out, thereby being beneficial to the healing of the wound of the patient.

The tampon 30 comprises a tampon body 31 and a blocking member 32, the blocking member 32 having a size larger than the tampon body 31 and the wound site of the patient, the tampon body 31 being adapted to be arranged in a cylindrical configuration for facilitating insertion into the wound site for providing a more comfortable feel to the patient. Wherein the blocking member 32 is integrally coupled to one end of the stopper body 31, and the blocking member 32 is positioned at a surface skin position outside the patient's body when the stopper body 31 is inserted into the wound position of the patient, so that a surface of the blocking member 32 facing the stopper body 31 may be provided as a surface having an adhesive effect to be fixed to the patient's skin to prevent slipping out.

The plug main body 31 is made of degradable materials, can be automatically degraded after expansion hemostasis, and the blocking piece 32 can be automatically detached or sheared off without affecting recovery of wounds of patients.

Alternatively, the expansion body 131 is made of the same degradable material as the outer tube 15, and the inner tube 16 is made of a non-degradable material, and then the inner tube 16 is simply removed, and the degradable tampon 30 is placed to stop bleeding.

It should be noted that, when the outer tube 15, the inner tube 16, the reinforcing ribs 17 and the expansion body 131 are degraded, a certain expansion effect is provided, and in the expansion process, a certain compression effect is provided for the skin at the wound position of the human body, thus being more beneficial to hemostasis and being easier to degrade.

In the present invention, the degradable material for manufacturing the safety tube 10 may be natural polymer materials, such as gelatin, cellulose, heparin, chitin, silk, starch, chitosan, alginate, chitin, hyaluronic acid derivatives, natural polyesters, etc., and synthetic polymer materials, such as polyorthoesters, polyglycolic acid, polylactic acid-glycolic acid copolymers, aliphatic polyesters, polycaprolactone, etc. Can be made from one or more of the above materials, and the degradation products are nontoxic and have no side effects, can be absorbed and metabolized by matrix or self-decomposed and disappeared, and have no harm to human body.

According to one embodiment of the invention, as shown in fig. 11 and 12, the safety tube front section 11 may also be in an upright configuration without bending. The drainage groove 103, the drainage channel 102 and the guide channel 101 are also provided, so that the shape of the safety tube front section 11 is not limited, and the safety tube front section can perform drainage and guide functions without generating great stimulation or no stimulation to the human body.

After the part of the safety tube 10 located in the patient's body is degraded during the application process of the safety tube set, the part located outside the patient's body falls off by itself, or when the part in the body degrades a part or is about to degrade completely, or the wound position of the patient gradually heals along with the degradation of the safety tube 10, the part in the body can be cut off in advance, so that the part in the body continues to degrade, and the healing and rehabilitation of the wound of the patient are not affected.

As shown in fig. 1 to 3, the fixing assembly 20 is adapted to fix the safety tube 10 to a predetermined portion of a patient's body. Preferably, the safety tube 10 is adapted to be used in a nephrostomy or other surgical procedure, i.e., to create a passageway between the patient's kidney and waist side, or other surgical organ site and the outside of the body, i.e., the skin.

The fixation assembly 20 comprises an integral fixation portion 21 and a tube fixation portion 22, wherein the body fixation portion 21 is adapted to be fixed to a surface of a patient's body, and the tube fixation portion 22 is adapted to secure the safety tube 10. The tube fixing portion 22 is connected to the body fixing portion 21 to be fixed to the patient's body by means of the body fixing portion 21. In addition, the body fixing portion 21 and the tube fixing portion 22 each have a passage, and the fixing passages 210 are formed together as a part of the fixing passages 210, respectively. When the safety tube 10 passes through the fixing passage 210, the safety tube 10 is fixed by the tube fixing portion 22, and the body fixing portion 21 is then fixed to the patient's body, thereby indirectly fixing the safety tube 10 to a predetermined position of the patient's body to satisfy clinical demands.

In the present embodiment, the tube fixing portion 22 is adapted to fix the safety tube 10 in an encircling manner, i.e., the tube fixing portion 22 is adapted to fix the safety tube 10 from a peripheral outer side portion of the safety tube 10. The body fixing part 21 fixes the tube fixing part 22 and the safety tube 10 to the body surface of the patient, so that when the safety tube 10 is pulled by an external force, the tube fixing part 22 receives most of the force from the safety tube 10, and the body fixing part 21 further receives most of the force from the tube fixing part 22, thereby dispersing the pulling force and firmly fixing the safety tube 10.

The size of the fixing channel 210 can be adjusted, and the safety tube 10 is a hose, so that the safety tube 10 is deformed by the extrusion of the tube fixing portion 22, so as to tightly hold the safety tube 10, and further fix the safety tube 10. In addition, by adjusting the tube fixing portion 22, the clasping degree of the safety tube 10 is changed, so that the fixing position of the safety tube 10 can be changed, and the length of the safety tube 10 entering the patient is suitable for being properly adjusted, so as to meet the requirements of different users, and expand the application range. If the safety tube 10 is selected as a tube of a harder material according to the requirements, the tube fixing portion 22 still fixes the safety tube 10 in an encircling manner, that is to say the safety tube 10 is fixed by the tube fixing portion 22 without deformation.

The safety tube 10 may be completely deformed or semi-completely deformed when being fixed, that is, the guide channel 101 and the drainage channel 102 are pressed when the safety tube 10 is completely deformed, so that no circulation function is provided, and when the safety tube 10 is semi-completely deformed, the guide channel 101 and the drainage channel 102 are not completely pressed, and still have channels into which guide wires and drainage can be inserted. Therefore, the tube fixing portion 22 is adjusted according to whether drainage is required, so as to adjust the deformation degree of the safety tube 10 to meet the actual use requirement.

The body fixing portion 21 includes a body layer 211, an adhesive layer 212 and a separable layer 213, the adhesive layer 212 is disposed between the body layer 211 and the separable layer 213, wherein the adhesive layer 212 has an adhesive function, and when in use, the separable layer 213 is peeled off, so that the adhesive layer 212 is adhered to the body surface of the patient, and the body layer 211 is fixed. That is, the body fixing part 211 is a three-layered sheet structure to be comfortably and firmly fixed to the surface of the patient's body, wherein the body layer 211 and the adhesive layer 212 may be layered or integrated, and the separable layer 213 may be detachably adhered to the adhesive layer 212 according to the actual needs.

The body layer 211, the adhesive layer 212 and the separable layer 213 are respectively provided with a through hole, and the through holes are connected to form the solid channel 201, so that the safety tube 10 can pass through. The pipe fixing portion 22 is connected to the body layer 211, that is, the adhesive layer 212 and the pipe fixing portion 22 are located at both sides of the body layer 211, respectively.

For convenience of explanation, in the embodiment of the present invention, the relative positional relationship is explained by defining the side close to the skin of the patient as the inside and the opposite side as the outside with reference to the use state of the patient.

Accordingly, the adhesive layer 212 is provided on the inner side of the body layer 211, and the separable layer 213 is provided on the inner side of the adhesive layer 212, and the tube fixing portion 22 is provided on the outer side of the body layer 211. When in use, an operator, such as a medical practitioner, peels the separable layer 213 so that the adhesive layer 212 adheres to the skin surface of the patient. The adhesive layer 212 is suitably formed of a material that can be separated or repeatedly applied multiple times to facilitate movement for optimal positioning or repeated use.

Wherein the separable layer 213 may be formed of one piece or two or more pieces, and is selected according to the convenience of practical use.

In the preferred embodiment, the separable layer 213 has a separation line, and the separation line separates the separable layer 213 into two parts that can be torn separately, where the separation line makes the two parts of the separable layer 213 located at two sides of the safety tube 10, and when the safety tube 10 is fixed, the two parts of the separable layer 213 can be torn from two sides of the safety tube 10, so that the separable layer 213 does not touch the safety tube 10, which is safer and more convenient.

The pipe fixing portion 22 includes a fixing base 221, a movable member 222, and an adjusting member 223, wherein the movable member 222 is movably mounted to the fixing base 221, and the adjusting member 223 is adjustably mounted to the fixing base 221 to adjust a compression distance between the adjusting member 223 and the movable member 222.

The fixing base 221 is fixed to the body fixing portion 21, and thereby connects the tube fixing portion 22 to the body fixing portion 21. Further, the fixing base 221 is integrally fixed to the middle of the body layer 211. That is, the fixing base 221 is fixed at a relative position to the body layer 211 of the body fixing portion 21.

The upper end surface of the movable member 222 is inclined such that the movable member 222 forms a gyro shape, and optionally, the upper end surface of the movable member 222 is inclined at an angle of 30 ° to 60 °, preferably 45 °. It should be noted that the movable member 222 has elasticity, and the movable member 222 may be compressed by adjusting the adjusting member 223, where an inclination angle of an upper end surface of the movable member 222 may affect the amount of deformation that is compressed, and an excessive or insufficient inclination angle may affect the encircling fixing effect of the movable member 222 on the safety tube 10.

In this embodiment, the adjusting member 223 is connected to the fixing base 221 through a mating thread, for example, the adjusting member 223 is rotated clockwise, the adjusting member 223 moves toward the fixing base 221 and gradually approaches the fixing base 221, the adjusting member 223 gradually presses the movable member 222 to deform, and when the adjusting member 223 is rotated counterclockwise, the adjusting member 223 moves away from the fixing base 221, and the movable member 222 gradually returns to deform.

In this embodiment, the rear section 12 of the safety tube may be in a semi-embracing state or a fully embracing state, as shown in fig. 3. When the rear section 12 of the safety tube is in the semi-embracing state, the guide channel 101 and the drainage channel 103 are reduced in size, but still have guiding and drainage functions. When the rear section 12 of the safety tube is in the encircling state, the guide channel 101 and the drainage channel 103 are clamped, no longer have guiding and drainage effects, and after the adjusting piece 223 is adjusted, the guide channel 101 and the drainage channel 102 can have guiding and drainage effects.

That is, in this embodiment, the length of the safety tube 10 is adjusted by the fixing component 20, or may be sealed by the fixing component 20, or may not be sealed, so that the medical staff can select accordingly according to the usage situation.

According to other embodiments of the present invention, the safety tube 10 further comprises a sealing member 14, wherein the sealing member 14 is detachably connected to the end of the rear section 12 of the safety tube, so as to close the guide channel 101 and the drainage channel 102. That is, after the safety tube 10 is fixed to the patient, when the liquid or the liquid-solid mixture flows out, the sealing member 14 is opened to drain the liquid or the liquid-solid mixture from the patient to the outside, and when nothing flows out, the guiding channel 101 and the drainage channel 102 can be sealed by the sealing member 14, so that foreign matters outside can be prevented from entering the body to cause harm to the patient, and meanwhile, the sealing member 14 can be opened, the situation in the patient can be observed through the guiding channel 101 and the drainage channel 102, and when the situation is bad after the operation, the secondary operation channel can be conveniently constructed through the guiding channel 101, no new wound is generated, and the pain of the patient is relieved.

In particular, as shown in fig. 7 to 13, the rear section 12 of the safety tube of the above preferred embodiment is deformed according to a preferred embodiment of the present invention. In this embodiment, the safety tube 10 includes a safety tube rear section 12A, a sealing member 14A, and a fixing portion 20A, the fixing portion 20A being connected to the safety tube rear section 12A, whereby the safety tube 10A is fixed to the patient's body by means of the fixing portion 20A, wherein the safety tube rear section 12A is a modification of the above-described preferred embodiment. In this embodiment, the length of the safety tube 10A extending into the body cannot be adjusted.

In this embodiment, the internal structure of the rear section 12A of the safety tube is the same as that of the above embodiment, that is, the guide channel 101, the drainage channel 102, the fluid outlet 104, the guide inlet 105, the inflation inlet 1303, and the inflation channel 1302 are the same, that is, the connection manner between the rear section 12A of the safety tube and the fixing portion 20A is only modified accordingly.

In this embodiment, the fixing portion 20A includes a body layer 201A, an adhesive layer 202A, and a separable layer 203A, and the adhesive layer 202A is disposed between the body layer 201A and the separable layer 203A. Wherein the adhesive layer 202A has an adhesive function, and when in use, the separable layer 203A is peeled off, so that the adhesive layer 202A is adhered to the body surface of the patient, thereby fixing the body layer 201A. That is, the fixing portion 201A is a three-layered sheet structure for being comfortably and firmly fixed to the surface of the patient, wherein the body layer 201A and the adhesive layer 202A may be layered or integrated, and the separable layer 203A may be detachably adhered to the adhesive layer 202A according to the actual requirement.

The fixing portion 20A is disposed at the rear portion of the rear safety tube section 12A, and the end of the rear safety tube section 12A protrudes from the body layer 201A of the fixing portion 20A, that is, the fixing portion 20A has a through hole 210A, and the rear safety tube section 12A passes through the through hole 210A such that the end 121A of the rear safety tube section 12A protrudes from the body layer 201A by a predetermined distance.

In addition, the fixing portion 20A is integrally formed with an outer tube end 151A included in the outer tube 15 at the end portion 121A of the rear section 12A of the safety tube or layered, so that the fixing portion 20A is fixedly connected to the outer tube end 151A, so that the safety tube 10 can be firmly fixed to the body surface of the patient by the fixing portion 20A.

For example, the body layer 201A and the adhesive layer 202A are manufactured integrally with the outer tube end 151A by hot pressing or bonding, so that the body layer 201A and the adhesive layer 202A are connected to the outer tube end 151A, and the separable layers 203A are provided on both sides of the safety tube 10 and are respectively and detachably adhered to the adhesive layer 202A, and when the separable layers 203A are peeled, they do not touch the safety tube 10 and thus do not affect the position thereof in the body.

The fixing portion 20A may be manufactured separately from the safety tube 10, and the manufactured fixing portion 20A may be attached around or otherwise fixed to the end of the rear section 12 of the safety tube. Therefore, the connection manner of the fixing portion 20A and the safety tube 10 is not severely limited by the present invention.

The sealing member 14A includes a sealing plug 141A and a connecting band 142A, wherein the connecting band 142A is connected between the sealing plug 141A and the fixing portion 20A, and wherein the connecting band 142A is made of a flexible material. Specifically, the connecting strap 142A is integrally provided on the body layer 201A of the fixing portion 20A, or one end of the connecting strap 142A is connected to the fixing portion 20A by means of adhesion or the like, so that the sealing member 14A can be prevented from being lost, and the assembly and the disassembly are convenient when the use is not required.

For example, an adhesive surface is provided at one end of the connection band 142A, which is adhered to the adhesive layer 202A, and then the sealing plug 141A may be detachably connected to the distal end portion of the rear section 12 of the safety tube to seal the introduction inlet 105, the fluid outlet 104, and the inflation port 1303.

Accordingly, the adhesive layer 202A is provided on the inner side of the body layer 201A, and the separable layer 203A is provided on the inner side of the adhesive layer 202A, and the tube seal 14A is provided on the outer side of the body layer 201A. That is, when the safety tube 10 is placed in the patient, the sealing member 14A seals from the outside of the body layer 201A toward the safety tube 10, wherein the plug of the sealing plug 141A is plugged into the safety tube 10, and the tip of the sealing plug 141A is left outside of the body layer 211A.

Fig. 11 to 13 show a modification of the first preferred embodiment of the present invention, in which the connection between the rear section 12B of the safety tube and the fixing portion 20B is changed. In the present embodiment, the fixing portion 20B has a communication hole 210B so as to communicate the drainage channel 101 and the guide channel 102 of the safety tube 10B, that is, the fluid outlet 104 and the guide inlet 105 are both located within the area of the communication hole 210B so that the sealing member 14B seals the drainage channel 101 and the guide channel 102 by being placed in the communication hole 210B.

Specifically, the fixing portion 20B includes a body layer 201B, an adhesive layer 202B and a separable layer 203B, wherein the body layer 201B and the separable layer 203B are respectively located at two sides of the adhesive layer 202B, wherein a through hole is correspondingly formed in the middle of the body layer 201B, the adhesive layer 202B and the separable layer 203B, the through hole 210B is formed together, and the through hole 210B is matched with the end of the rear section 12B of the safety tube.

The end of the rear section 12B of the safety tube passes through the communication hole 210B so that the end of the rear section 12B of the safety tube is flush with the body layer 201B, and the plug of the sealing plug 141B is plugged into the end of the rear section 12B of the safety tube, thereby sealing the safety tube 10.

In this embodiment, the body layer 201B, the adhesive layer 202B, and the distal end of the safety tube back section 12B are integrally formed.

In another implementation, the distal end of the rear section 12B of the safety tube is connected to the adhesive layer 202B, such that a predetermined distance exists between the distal end of the rear section 12B of the safety tube and the top of the body layer 201B, the sealing plug 141B is plugged into the communication hole 210B to seal the safety tube 10, and the sealing plug 141B is matched with the communication hole 210B. At this time, the adhesive layer 201B is integrally formed with the distal end portion of the safety tube rear section 12B.

In the present embodiment and its modified embodiment, the sealing plugs 141A and 141B each seal the safety tube 10 from the outer side direction of the body layer 201B toward the inner side direction of the separable layer 201C.

As shown in fig. 14, according to another preferred embodiment of the present invention, the connection between the fixing portion 20C and the safety tube 10 is improved. In the preferred embodiment, the securing portion 20C allows the safety tube 10 to be secured to the patient's body, wherein the safety tube rear section 12C is a variation of the preferred embodiment described above. In this embodiment, the length of the safety tube 10 extending into the body is not adjustable.

As in the previous embodiment, the fixing portion 20C includes a body layer 201C, an adhesive layer 202C, and a separable layer 203C, and the adhesive layer 202C is disposed between the body layer 201C and the separable layer 203C. Wherein the adhesive layer 202C has an adhesive function, and when in use, the separable layer 203C is peeled off, so that the adhesive layer 202C is adhered to the body surface of the patient, thereby fixing the body layer 201C. That is, the fixing portion 20C is a three-layered sheet structure for being comfortably and firmly fixed to the surface of the patient, wherein the body layer 201C and the adhesive layer 202C may be layered or integrated, and the separable layer 203C may be detachably adhered to the adhesive layer 202C according to the actual requirement.

The sealing member 14C includes a sealing plug 141C and a connecting band 142C, wherein the connecting band 142C is connected between the safety tube rear section 12C and the fixing portion 20C, wherein the connecting band 142C is made of a flexible material. Specifically, the connecting strap 142C is integrally provided on the body layer 201C of the fixing portion 20C, or one end of the connecting strap 142C is connected to the body layer 201C by means of adhesion or the like, so as to connect the fixing portion 20C with the safety tube 10, thereby fixing the safety tube 10.

Accordingly, the adhesive layer 202C is provided on the inner side surface of the body layer 201C, and the separable layer 203C is provided on the inner side surface of the adhesive layer 202C, and the tube sealing plug 141C is provided on the inner side surfaces of the body layer 201C and the adhesive layer 202C. That is, when the safety tube 10 is placed in the patient, the sealing plug 141C is sealed from the inside of the adhesive layer 201C toward the safety tube 10, wherein the plug of the sealing plug 141C is inserted into the safety tube 10, and the tip of the sealing plug 141C is attached to the inside of the adhesive layer 202C. The end of the sealing plug 141C can be produced integrally with the body layer 201C and the adhesive layer 202C, i.e. a plug which is adapted to the safety tube 10, i.e. the sealing plug 141C, protrudes from the adhesive layer 202C in the direction of the human body.

When in use, an operator, such as a medical practitioner, peels the separable layer 203C such that the adhesive layer 202C adheres to the skin surface of the patient. The adhesive layer 202C is suitably made of a material that can be separated or repeatedly attached multiple times to facilitate movement for optimal positioning or repeated use.

The separable layer 203C may be formed of one piece or two or more pieces, and may be provided on the peripheral side of the sealing plug 141C, respectively, so that the separable layer 203C may be easily peeled off, and thus the number of pieces of the separable layer 203C may be selected according to the degree of convenience in actual use.

One end of the connection band 142C is connected to the body layer 201C, the other end is connected to the outer tube 15C at the end of the rear section 12C of the safety tube, and the connection band 142C has a predetermined length such that the sealing plug 141C provided at the inner side of the fixing portion 20C can detachably seal the safety tube 10.

As shown in fig. 18, according to still another preferred embodiment of the present invention, the connection between a seal 14D and a fixing portion 20D is deformed based on the above embodiment. In this embodiment, the sealing member 14D includes a sealing cap 141D and a connecting band 142D, and the connecting band 142D is connected between the fixing portion 20D and the rear section 12D of the safety tube. That is, on the basis of the above-described embodiment, the connection manner between the connection band 12D and the fixing portion 20D and the safety tube rear section 12D is not changed, and the sealing plug 141C is deformed into the sealing cap 141D to seal the safety tube 10.

The sealing cap 141D has a sealing cavity 1410D, and the sealing cavity 1410D is matched with the rear section 12D of the safety tube, so that the end of the rear section 12D of the safety tube can be sealed by the sealing cavity 1410D in a surrounding manner, that is, the end of the rear section 12D of the safety tube is plugged into the sealing cavity 1410D, that is, the safety cap 141D is sleeved on the end of the rear section 12D of the safety tube.

That is, the body layer 201D, the adhesive layer 202D, and the middle portion of the separable layer 203D have a through hole that communicates with the sealing chamber 1410D so that the safety tube 10 passes through the through hole into the sealing chamber 1410D to be sealed by the sealing cap 141D.

As shown in fig. 19, according to another embodiment of the present invention, the safety tube 10 is connected to the fixing portion 20, the fixing portion 20 is integrally formed with the outer tube 15 of the safety tube 10, and the sealing member 14 is cut off in actual use without sealing the safety tube 10, or by sticking a tape or the like. That is, in the present embodiment, the fixing portion 20 has a communication hole 210, and the communication hole 210 communicates with the safety tube 10 to facilitate drainage.

Fig. 15 to 17 show three embodiments of the sealing plug 141 according to the invention, which are matched to the three embodiments of the safety tube 10 according to fig. 4 to 6, respectively, in order to tightly seal the guide channel 101, the drainage channel 102 and the inflation channel 1302.

Specifically, as shown in fig. 15, the sealing plug 141F of the sealing member 14 includes a guiding plug 1411F, four draining plugs 1412F, an inflating plug 1413F and a connecting seat 1414F, respectively, and the guiding plug 1411F, the draining plug 1412F and the inflating plug 1413F are respectively disposed on the connecting seat 1414F, or the guiding plug 1411F, the draining plug 1412F and the inflating plug 1413F are formed by extending outwards from a bottom surface of the connecting seat 1414F. Wherein the guide plug 1411F, the drain plug 1412F, the inflation plug 1413F are respectively matched to the specifications and numbers of the guide inlet 105F, the fluid outlet 104F, and the inflation port 1303F shown in fig. 4, and are respectively plugged into the guide inlet 105F, the fluid outlet 104F, and the inflation port 1303F to seal the guide passage 101F, the drain passage 102F, and the inflation passage 1302F, respectively.

When drainage is needed or the condition of the operation site of the patient needs to be observed or a secondary operation channel needs to be constructed, the sealing plug 141F is opened, and when drainage is not needed, the safety tube 10 can be sealed by the sealing plug 141F, so that foreign matters outside the body can be prevented from entering the body.

As shown in fig. 16, the sealing plug 141G of the sealing member 14F includes a guide plug 1411G, two drainage plugs 1412G, an inflation plug 1413G and a connection seat 1414G, respectively, and the guide plug 1411G, the drainage plug 1412G and the inflation plug G are disposed on the connection seat 1414G, respectively, or the guide plug 1411G, the drainage plug 1412G and the inflation plug 1413G are formed by extending outwardly from a bottom surface of the connection seat 1414G. Wherein the guide plug 1411G, the drain plug 1412G, the inflation plug 1413G are respectively matched to the specifications and the number of the guide inlet 105G, the fluid outlet 104G, and the inflation port 1303G shown in fig. 5, and are respectively plugged into the guide inlet 105G, the fluid outlet 104G, and the inflation port 1303G to seal the guide passage 101G, the drain passage 102G, and the inflation passage 1302G, respectively.

As shown in fig. 17, the sealing plug 141H of the sealing member 14H includes a guide plug 1411H, a drainage plug 1412H, an inflation plug 1413H, and a connection seat 1414H, and the guide plug 1411H, the drainage plug 1412H, and the inflation plug 1413H are respectively disposed on the connection seat 1414H, or the guide plug 1411H, the drainage plug 1412H, and the inflation plug 1413H are formed by extending outwardly from a bottom surface of the connection seat 1414H. Wherein the guide plug 1411H, the drain plug 1412H, the inflation plug 1413H are respectively matched to the specifications and the number of the guide inlet 105H, the fluid outlet 104H, and the inflation port 1303H shown in fig. 6, and are respectively plugged into the guide inlet 105H, the fluid outlet 104H, and the inflation port 1303H to seal the guide passage 101H, the drain passage 102H, and the inflation passage 1302H, respectively.

It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.

Claims

1. A safety tube kit, comprising:

2. The safety tube kit of claim 1, wherein the safety tube further comprises a safety tube front section and a safety tube rear section, the safety tube further having at least one fluid outlet in communication with the drainage channel and a guide inlet in communication with the guide channel, wherein the drainage slot is provided in the safety tube front section, the fluid outlet and the guide inlet are both provided at the end of the safety tube rear section, and the drainage channel and the guide channel each extend from the safety tube rear section to the safety tube front section.

3. The safety tube kit of claim 2, wherein the safety tube further comprises an expansion section disposed at the junction of the safety tube front section and the safety tube rear section, the expansion section comprising an expansion body and having an expansion chamber, an inflation channel, and an inflation port, the inflation channel communicating with the expansion chamber and the inflation port, wherein the inflation port is disposed at the end of the safety tube rear section spaced from the fluid outlet and the guide inlet.

4. A safety tube kit according to claim 3, wherein the inflation body is integrally connected to the outer tube, the inflation lumen is located between the outer tube and the inflation body, the inflation channel is provided in the outer tube, and the inflation body is made of a degradable material.

5. A safety tube kit according to claim 3, wherein the inflation body is connected to the outer tube, the inflation lumen is located inside the inflation body, the inflation channel is provided in the outer tube, and the inflation body is made of a degradable material.

6. A safety tube kit as claimed in claim 3, wherein the inflation body is connected to the inner tube, the inflation lumen is located inside the inflation body, and the inflation channel is provided in the inner tube.

7. The safety tube kit of claim 6, wherein the outer tube and the inner tube are connected by at least one stiffener, the guide channel is provided to the inner tube, the drainage channel is provided to the outer tube, wherein the outer tube and the inner tube are manufactured in layers, the outer tube is made of a degradable material, and the inner tube and the expansion body are made of a non-degradable material.

8. The safety tube kit of claim 7, wherein the degradable material comprises one or more of gelatin, cellulose, heparin, chitin, silk, starch, chitosan, alginate, chitin, hyaluronic acid derivatives, natural polyesters, polyorthoesters, polyglycolic acid, polylactic acid-glycolic acid copolymers, fatty polyesters, or polycaprolactone.

9. The safety tube kit of claim 8, wherein the securing portion is secured to the outer tube and the securing portion has a communication hole to accommodate the safety tube, the safety tube further comprising a seal comprising a sealing plug and a connecting band, wherein the connecting band is connected between the securing portion and the sealing plug such that the sealing plug detachably seals the safety tube.

10. The safety tube kit of claim 9, wherein the sealing plug comprises at least one drainage plug, a guide plug, and an inflation plug, wherein the number and gauge of the drainage plug, the guide plug, and the inflation plug are matched to the fluid outlet, the guide inlet, and the inflation inlet, respectively, to detachably seal the drainage channel, the guide channel, and the inflation channel, respectively.

11. The safety tube kit of claim 10, wherein the safety tube further comprises a seal comprising a sealing cap and a connecting band, wherein the connecting band is connected between the fixing portion and the outer tube, the sealing cap is disposed on the outer side of the body layer, the fixing portion has a through hole, the sealing cap has a sealing cavity, the sealing cavity is in communication with the through hole, and the through hole and the sealing cavity are matched with the end of the safety tube, so that the safety tube passes through the through hole and enters the sealing cavity to be detachably sleeved on the safety tube.

12. The safety tube kit of claim 10, wherein the safety tube further comprises a seal comprising a sealing plug and a connecting band, the connecting band being connected between the fixing portion and the outer tube, the sealing plug being disposed on an inner side of the adhesive layer, the sealing plug mating with the safety tube to detachably seal the safety tube.

13. The safety tube kit of claim 10, wherein the securing portion is secured to the outer tube and the securing portion has a communication hole to accommodate the safety tube, the safety tube further comprising a seal comprising a sealing plug and a connecting band, wherein the connecting band is connected between the securing portion and the sealing plug such that the sealing plug detachably seals the safety tube.

14. The safety tube kit of claim 12, wherein the sealing plug comprises at least one drainage plug and a guide plug, wherein the drainage plug and the guide plug are each matched in number and size to the drainage channel and the guide channel, respectively, to detachably seal the drainage channel and the guide channel, respectively.

15. A safety tube kit, comprising:

the safety tube is provided with a guide channel and a drainage channel, the drainage channel is used for draining accumulated liquid to the outside of the body, the safety tube comprises an inner tube and an outer tube connected with the inner tube and encircling the outer part of the inner tube, the guide channel is arranged on the inner tube, and the drainage channel is arranged on the outer tube and is positioned on the outer side of the guide channel; and