CN112169143A - Anti-adhesion uterus support - Google Patents

Abstract

The invention relates to an anti-adhesion uterine support, which comprises a balloon, a catheter connected with the balloon, a tube sac arranged on the outer wall of the balloon and a sac knot arranged at the junction of the balloon and the catheter, wherein a cavity is formed between the sac knot and a wall body opposite to the balloon. The catheter is provided with a pipeline which is respectively communicated with the sacculus cavity of the sacculus, the sacculus cavity of the tube sac and the cavity. After the tube sac is expanded, a drainage channel can be formed, the drainage channel can be directly or indirectly communicated with the uterine cavity, and the end part of the drainage channel extends into the uterine cavity. The uterus support not only has the function of preventing intrauterine adhesion, but also has better drainage capability, is beneficial to discharge of effusion/extravasated blood in the uterine cavity, and promotes the healing of the wound surface of the uterine cavity.

Description

Anti-adhesion uterus support

Technical Field

The invention relates to the field of medical consumables, in particular to a sac-type uterine cavity stent for preventing postoperative uterine wall from adhesion.

Background

After the endometrium is damaged, partial or all adhesions of the cavity wall often appear, namely intrauterine adhesions. Intrauterine adhesions can often cause abnormal menstruation, such as hypomenorrhea, amenorrhea, and other problems. Patients with intrauterine adhesion are prone to suffer from conditions such as abortion, premature birth, ectopic pregnancy, fetal death and intrauterine death, placenta implantation, placenta adhesion, even infertility and the like. The current treatment for patients with severe intrauterine adhesions is surgical detachment, but adhesions are very likely to occur again due to slow or poor regeneration of the intrauterine membrane after surgery.

At present, a Foley saccule catheter or a saccule uterine stent is usually placed immediately after operation for physical separation clinically, so that (re) adhesion is prevented. The shape of the balloon stent which is used more in the market at present is similar to the shape of the uterus, the anti-adhesion effect is better, and the hemostatic effect can be achieved. However, because of the sufficient contact with the inner wall of the uterine cavity, the sac wall presses on the inner wall of the uterine cavity, which affects the convection of the liquid in the uterine cavity, hinders the effect of the liquid flowing in the uterine cavity, is not beneficial to the discharge of the effusion/extravasated blood (or oozing blood) in the uterine cavity and the blood circulation of the uterine wall, and is not beneficial to the healing of the surgical wound surface.

Disclosure of Invention

In order to solve the problems existing in the prior saccule support in use, the invention provides the anti-adhesion uterine support which not only has the function of preventing the adhesion of the uterine cavity, but also has better capability of draining liquid in the uterine cavity, so that effusion/extravasated blood in the uterine cavity can be timely discharged, and the healing of the wound surface of the uterine cavity is promoted.

The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-adhesion uterine stent comprises a balloon, a catheter connected with the balloon, a tube sac arranged on the outer wall of the balloon and a sac knot arranged at the junction of the balloon and the catheter, wherein a cavity is formed between the sac knot and a wall body opposite to the balloon.

And the catheter is provided with a pipeline which is respectively communicated with the sacculus cavity of the sacculus, the sacculus cavity of the tube sac and the cavity.

The tube sac can form a drainage channel after being expanded, the drainage channel can be directly or indirectly communicated with the uterine cavity, and the end part of the drainage channel extends into the uterine cavity.

When the balloon is inflated only, the wall of the tube balloon can be stretched along with the inflation of the balloon, and the wall of the tube balloon can be always attached to the outer wall surface of the balloon. When the balloon is inflated to a certain degree and liquid or gas needs to be injected into the tube sac to inflate the tube sac, the sac wall of the tube sac can be further stretched along with the increase of the injection amount of the liquid or the gas to form an outward protruding structure relative to the balloon.

The pipeline through the chamber intercommunication with the sacculus can the independent control sacculus expand and contract, can the independent control sacculus expand and contract through the pipeline with the chamber intercommunication of sacculus, and then can be according to the treatment process, select the main performance of support hemostasis treatment purpose, still need suitably carry out the purpose of water conservancy diversion treatment purpose and improve the blood circulation situation's in palace chamber purpose, regulate and control the bloated state and the bloated degree of sacculus respectively to and the bloated state and the bloated degree of sacculus.

In some embodiments of the present disclosure, the outer surface of the balloon is coated with an absorbable drug, such as an antibacterial drug, an ablative drug, etc. The saccule and the tube sac are both made of absorbable materials.

Further, in order to ensure that the inner wall of the sac knot, namely the inner wall of the cavity, is smooth and flat and avoid wrinkles retaining accumulated liquid/extravasated blood, the sac knot is provided with a sac cavity which is communicated with the sac cavity of the tube sac or a branch pipeline is independently arranged on the catheter to be communicated with the sac cavity of the sac knot and used for injecting liquid or gas into the sac cavity of the sac knot to control the expansion and retraction states of the sac knot.

After the sac knot is designed into a structural form with the sac cavity, the size of the radial distance (formed relative to the outer wall of the saccule) of the cavity can be better controlled, and accumulated liquid/blood stasis can be guaranteed to smoothly flow into the cavity to be discharged.

In a specific operation, when the balloon cavity of the balloon knot is fully expanded, the expansion degree of the balloon cavity of the balloon can be relatively weakened so as to promote the space between the cavity and the balloon to be large enough.

If the sac knot does not have a sac cavity structure, the expansion degree of the saccule can be controlled only to regulate the size of the space formed by the cavity relative to the outer wall of the saccule.

Furthermore, the end opening of the cavity can be annular after the balloon knot is expanded, and the inner wall of the cavity can keep a distance relative to the outer wall of the expanded balloon. After the sac knot is expanded, the port of the cavity is annular and corresponds to the lower part of the saccule at intervals, so that the drainage of effusion/congestion from the wall body of the saccule to the cavity in an all-around manner is facilitated. The drainage effect is better when the drainage device is matched with an implementation means of arranging a plurality of tube sacs.

Furthermore, a plurality of tube sacs distributed at intervals are arranged on the outer wall of the balloon, each tube sac respectively surrounds the outer wall of the balloon for a circle, and two end parts of each tube sac extend into the cavity. When a plurality of tube sacs are arranged, at least part of the tube sacs can form a drainage channel. The remaining other tube sacs can also be provided with drainage channels or have no drainage channels, and when the drainage channels can be formed, the sac walls forming the drainage channels are provided with needle holes, if the needle holes are used for inputting medicines (such as antibacterial medicines, ablation medicines or hormones), the medicines can seep into the sac cavities from the swelled needle holes and quickly spread to the uterine cavity wall by virtue of the drainage channels, after the medicine delivery is completed, the partial tube sacs are retracted to the original state, the needle holes are shrunk and covered in the sac walls forming the drainage channels, and effusion/extravasated blood can be effectively prevented from entering. Preferably, the middle part of the side surface of the saccule is provided with a tube sac, and the upper end surface and the lower end surface of the saccule are respectively provided with at least one tube sac by taking the tube sac as a boundary. The distance between the tube sacs arranged on the two end surfaces and the tube sacs arranged in the middle of the side surfaces is gradually increased from one end of the tube sacs far away from the sac knots to one end of the tube sacs provided with the sac knots.

When a plurality of tube sacs are arranged, each tube sac can be respectively provided with a unit tube, and liquid or gas is injected into or pumped back into each tube sac through each unit tube to control the expansion and contraction states of each tube sac. Or according to the setting function of the tube sacs, a plurality of tube sacs can be divided into a plurality of groups, each group is independently provided with a unit tube, liquid or gas is injected into or pumped back into each group of tube sacs through each unit tube to control the expansion and contraction state of each group of tube sacs, and the sac cavities of the tube sacs in the same group are generally communicated with each other. For example, when a certain group of tube sacs are used for injecting therapeutic drugs into the uterine cavity of the uterus, the wall of the tube sac which is changed into the tube sac can be provided with a needle hole, the needle hole can be expanded after the tube sac of the group is expanded to be enough to seep the drugs outwards, the needle hole is tightly closed after the tube sac is contracted to an initial state (when liquid or gas in the sac cavity is emptied), and liquid such as effusion/extravasated blood and the like can hardly flow into the tube sac which is changed into the tube sac through the needle hole. Under this kind of multitube bag structure, be convenient for divide the function of establishing the pipe bag, establish implementation condition for the pluralism of treatment means is implemented, postoperative secondary treatment, helps realizing that postoperative healing and recovery are faster, better.

Further, a side branch is arranged on the catheter and communicated with the cavity. The side branch tube is communicated with the cavity, a reliable channel is created for the micro examination instrument or the treatment instrument or the drug administration instrument to be inserted in the postoperative recovery process, and the size of the space in the uterine cavity can be controlled by controlling the relative swelling degree among the sacculus cavity of the sacculus, the sacculus cavity of the tube sac and/or the sacculus knot. The structure is best matched with a scheme with a plurality of tube sacs for implementation, because the plurality of tube sacs can form a net-shaped support in the uterine cavity, the inner wall of the uterine cavity is better separated, a large enough gap space is formed in the uterine cavity, and a large enough wall surface of the uterine cavity is exposed, so that the examination, treatment and administration operation can be conveniently and effectively implemented, and the accuracy and the comprehensiveness of the examination, treatment and administration are better ensured. It is also preferred to work with a balloon-knot having a balloon-lumen structure, since such a mating structure allows for easier access to the micro-instrument/device from the lumen formed at the balloon-knot.

Further, the drainage channel is arranged on the side surface of the tube sac and/or the end surface of the tube sac. When a plurality of tube sacs are arranged, the structure of the drainage channel is properly selected according to different positions of the tube sacs on the wall surface of the balloon, and the tube sacs can be selected into different forms.

Further, the wall surface is the cambered surface after the tube sac expands, the drainage channel is formed in the sac tube, and a flow guide hole communicated with the drainage channel is formed in the outer wall of the sac tube. The arranged guide holes are distributed at intervals along the surrounding direction of the tube bag. The arrangement can ensure that the uterine cavity is provided with convection channels along the transverse direction and the longitudinal direction, improves the flowing capacity of liquid in the uterine cavity, keeps a good convection state and can discharge accumulated liquid/extravasated blood in time.

In some embodiments, when the notch of the drainage channel is open, especially when the drainage channel is disposed on the side surface of the tubular sac, and the notch faces outward, it is preferable to provide diversion holes penetrating through two end surfaces (at this time, the diversion holes disposed on the two end surfaces are opposite to each other) or diversion holes penetrating into the drainage channel from the end surfaces (at this time, the diversion holes disposed on the two end surfaces are staggered), and the diversion holes are still alternately disposed along the surrounding direction of the tubular sac.

Has the advantages that:

the uterus support that this patent provided not only has the function that prevents the palace chamber adhesion, moreover the intumescence through the tube sac that sets up on the independent control sacculus outer wall, retraction state and degree, drainage structure is established to outside creation between sacculus and palace chamber, the flow of palace intracavity hydrops/extravasated blood has been promoted effectively, and discharge hydrops/extravasated blood to the outside fast with the help of the drainage structure who forms, can also control oppression state and the degree of oppression to palace chamber wall, improve palace intracavity wall's blood circulation situation, and create more suitable environment for the healing of palace chamber surface of a wound.

In the earlier stage of putting the bracket into the uterine cavity, the main purpose is to press the wall surface of the uterine cavity by means of the saccule to stop bleeding, at the moment, the wall of the tube sac can be tightly attached to the outer wall of the saccule, the pressing of the saccule to the interior of the uterus cannot be influenced, and the wall of the tube sac can become very thin along with the expansion of the saccule and cannot form obvious protrusions on the outer wall of the expanded saccule.

When a plurality of tube sacs are arranged, conditions can be created for postoperative complementary treatment, and the recovery and healing progress of severe patients can be accelerated. The net-shaped support formed by the plurality of tube sacs can support the uterine cavity, most of the wall surface of the uterine cavity is exposed, and the examination of the recovery degree and the supplementary treatment of the wound surface after the operation, such as cleaning or administration, are favorably carried out by means of a miniature instrument which extends into the uterine cavity. If the embodiment is set as the embodiment that the expansion, retraction states and degrees of each tube sac (or each group of tube sacs) can be respectively controlled through the independent pipelines, part of the tube sacs (or a certain group or a plurality of groups of tube sacs) can be expanded successively and conveniently according to the specific position of the examination and the specific position of the wound surface needing to be supplemented with treatment.

Drawings

Fig. 1 is a schematic structural diagram of the first embodiment of the present patent.

Fig. 2 is a partially enlarged structural diagram of a in fig. 1.

Fig. 3 is a schematic structural diagram of the second embodiment of the present patent.

Fig. 4 is a comparison of the balloon and the tubular sac of this patent before and after inflation in a matched configuration.

Fig. 5 is a schematic structural diagram of the third embodiment of the present patent.

FIG. 6 is a cross-sectional view of a lower tubular bladder according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of the fourth embodiment of the present patent.

Fig. 8 is a schematic structural diagram of the fifth embodiment of the present patent.

Fig. 9 is a schematic structural diagram of a sixth embodiment of the present patent.

In the figure: the device comprises a balloon 1, a tube sac 2, a bag cavity 21, a drainage channel 22, a flow guide hole 23, a communication hole 24, a tubular wall hole 25, a hole 251, a catheter 3, a central pipeline 31, a middle pipeline 32, a wall hole 321, a pipe 33, a first branch pipe 4, a second branch pipe 5, a pressure gauge 51, a third branch pipe 6, a bag knot 7, a side branch pipe 8, a monitor 9, a guiding control hose 91 and a pump 92.

Detailed Description

The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

The anti-adhesion uterine stent shown in fig. 1 to 9 comprises a balloon 1, a tube sac 2 arranged on the outer wall of the balloon 1, a catheter 3 connected with the balloon 1 and a sac knot 7 arranged at the junction of the balloon 1 and the catheter 3, wherein a cavity is formed between the sac knot 7 and the wall body opposite to the balloon 1.

The catheter is provided with pipelines which are respectively communicated with the sac cavity of the sacculus 1, the sac cavity of the tube sac 2 and the cavities, and respectively correspond to the first branch pipe 4, the second branch pipe 5 and the third branch pipe 6, as shown in figures 1, 3, 5 and 8-9. Liquid (such as physiological saline and the like) or gas can be injected into the balloon 1 through the first branch pipe 4, so that the balloon 1 is inflated to support the uterine cavity and prevent the adhesion of the inner wall of the uterine cavity. Liquid (such as physiological saline, medicine and the like) or gas can be injected into the tube sac 2 through the second branch pipe 5 to enable the tube sac 2 to be expanded, and the balloon 1 which can be expanded relatively protrudes outwards, at the moment, a certain gap can be formed between the outer wall of the balloon 1 and the inner wall of the uterine cavity at the position where the tube sac 2 is arranged on the balloon 1, the size of the gap can be differentiated according to the expansion degree of the balloon and/or the expansion degree of the balloon, a low-pressure area is formed in the uterine cavity at the gap, and effusion (such as extravasated blood, secretion and the like) in the uterine cavity can be gathered to the gap. A communication channel is established between the uterine cavity and the outside through the communication relationship established between the third branch tube 6 and the cavity.

The tube sac 2 can form a drainage channel 22 after being inflated, and the drainage channel 22 can be directly or indirectly communicated with the uterine cavity and the end part of the drainage channel extends into the uterine cavity. The design of the drainage channel 22 helps to guide the accumulated fluid in the uterine cavity to said cavity and to drain via the third branch 6 to the environment.

As shown in the embodiments of fig. 1, 2, 5, 8, the catheter 3 is a coaxial multi-lumen structure comprising an outer tube, an intermediate tube and an inner tube. The first branch pipe 4 is communicated with a cavity channel formed between the middle pipe and the inner pipe, the tail end of the middle pipe extends into the balloon cavity of the balloon 1, and a hole is formed in the side wall of the section (the middle pipe) in the balloon cavity (of the balloon 1) so that the cavity channel is communicated with the balloon cavity of the balloon 1. The second branch pipe 5 is communicated with the lumen of the inner pipe, and the tail end of the inner pipe extends to the end part of the other end of the saccule 1 opposite to the end provided with the saccule knot 7 and is communicated with the saccule cavity 21 of the duct saccule 2. The third branch tube 6 communicates with the lumen formed between the outer tube and the intermediate tube and the end of the outer tube extends to the balloon knot 7 so that the lumen communicates with the lumen (formed between the balloon knot and the opposite face of the balloon).

As shown in the embodiment of fig. 3, the catheter 3 is still a coaxial multi-lumen structure, comprising an outer tube, an intermediate tube and an inner tube, the lumen of the inner tube is a central conduit 31, the lumen between the inner tube and the intermediate tube is an intermediate conduit 32, and the lumen between the intermediate tube and the outer tube is an outer conduit 33. The end of the inner tube extends into the cavity of the balloon 1, the end of the middle tube extends to the sac knot 7 or just extends into the balloon 1, the side wall of the middle tube is provided with a wall hole 321 communicated with the cavity 21 of the tube sac 2, and the end of the outer tube extends to the sac knot 7, so that the outer pipeline 33 is communicated with the cavity (formed between the opposite surfaces of the sac knot and the balloon) (or communicated with the drainage channel 22). The first branch pipe 4 is communicated with the central pipeline 31, and can inject liquid into the sacculus 1 to expand the sacculus so as to support the uterine cavity of the uterus and prevent postoperative adhesion. The second branch pipe 5 is communicated with the middle pipeline 32, liquid can be injected into the tube bag 2 through the wall hole 321 to expand the tube bag and form an outward protruding structure relative to the balloon 1, a gap is established between the inner wall of the uterine cavity of the uterus and the outer wall of the balloon to form a negative pressure area, accumulated liquid/extravasated blood in the uterine cavity is promoted to be gathered in the area and sent to the cavity through the drainage channel 22, and finally the accumulated liquid/extravasated blood is discharged out of the body through the third branch pipe 6 along the outer pipeline 33.

Reference is made to fig. 3 for the embodiment of the catheter 3 shown in fig. 9, and a further duct is provided in communication with the medial branch 8 shown, the end of which extends into the lumen. In the embodiment shown in the figures, the outer wall of the catheter is formed with a transit chamber to which the side branch 8 is connected, the radial dimension of one side of the outer conduit 33 facing upwards of the transit chamber being increased relative to the other side. A one-way sealing plate (the cover on the sealing plate can only be opened towards the middle rotating cavity, namely the cover can be pushed open only when the guiding and controlling hose 91 is inserted into the middle rotating cavity through the side branch pipe 8, and the cover can not be pushed open in the opposite direction) is arranged in the middle rotating cavity to prevent the accumulated liquid from flowing into the side branch pipe 8.

As shown in fig. 1 to 4 and 9, the tube sac 2 is arranged on the side surface of the balloon 1 (the balloon 1 is designed to be similar to the shape of the uterine cavity), is arranged at the middle part (the middle part in thickness) and surrounds the side wall of the balloon 1 for a circle (the projection of the outline of the expanded tube sac 2 is similar to the projection of the outline of the balloon). The drainage channel 22 formed in the capsule 2 opens towards the outside (arrow a points), and the cross-sectional shape is similar (i.e. can be referred to) to (6.1) in fig. 6. The effusion in the uterine cavity is gathered in the drainage channel 22 along the outer wall of the saccule 1 to the position of the tube sac 2, then flows to the cavity along the drainage channel 22, and is finally discharged out of the body through the third branch pipe 6.

In the embodiment shown in fig. 5, the tubular sac 2 has two relatively vertical distribution surfaces (including the similar vertical condition, such as the distribution surfaces of the two are crossed into an X shape), both of which encircle the outer wall of the balloon 1, and the ends of the balloon 1 are converged (at the converged position, a channel for injecting liquid or gas into the two tubular sacs is formed). The drainage channels 22 arranged on the tube sac 2 are formed inside the tube sac 2 and are communicated with the uterine cavity of the uterus through drainage holes 23 which are distributed on the tube sac 2 at intervals. The cross section of the drainage channel 22 is similar to (i.e. referred to as) the cross section of (6.2) in fig. 6, the bag body of the tube bag 2 is provided with a tubular bag hole 25, when the tube bag 2 is filled with liquid/gas to inflate the tube bag, the tubular bag hole 25 inflates synchronously to support and form a pore 251 communicated with the drainage channel 22. The arrangement can ensure that the uterine cavity is provided with convection channels along the transverse direction and the longitudinal direction, improves the flowing capacity of liquid in the uterine cavity, keeps a good convection state and can discharge accumulated liquid/extravasated blood in time. In the embodiment shown in fig. 1, the notch of the drainage channel 22 is open, and is disposed on the side surface of the tubular sac 2, the notch faces outward (indicated by arrow a), and flow guide holes penetrating through two end surfaces of the tubular sac (in this case, the flow guide holes disposed on the two end surfaces are opposite) or flow guide holes penetrating from the end surfaces into the drainage channel (in this case, the flow guide holes disposed on the two end surfaces are staggered), and the flow guide holes are still alternately disposed along the surrounding direction of the tubular sac (as shown in fig. 5). The scheme of improving figure 1 can guarantee better that convection channels are formed in the uterine cavity along the transverse direction and the longitudinal direction, further improve the flowing capacity of liquid in the uterine cavity, keep a good convection state and discharge accumulated liquid/extravasated blood in time.

In the embodiment shown in fig. 7, the tube sac 2 is arranged on the side surface of the balloon 1 (the balloon 1 is designed to be similar to the shape of the uterine cavity), is arranged in the middle (the middle in thickness) and surrounds the side wall of the balloon 1 for a circle (the projection of the outline of the expanded tube sac 2 is similar to the projection of the outline of the balloon). The drainage channel 22 arranged on the tube sac 2 is formed on the end surface of the tube sac 2, and the two ends of the drainage channel 22 extending to the cavity are provided with communicating pore canals 24 communicated with the cavity. The cross-sectional shape of the drainage channel 22 is similar (i.e. can be referred to) as in (6.3) of fig. 6.

As shown in fig. 8, the plurality of tube sacs 2 are disposed on the outer wall of the balloon 1 and distributed at intervals, each tube sac 2 respectively surrounds the outer wall of the balloon 1 for a circle, and both ends of each tube sac extend into the cavity. As shown in the figure, a tube sac 2 is arranged in the middle of the side surface of the balloon 1, and the tube sacs 2 are also respectively arranged on the upper end surface and the lower end surface of the balloon 1 by taking the tube sacs 2 as boundaries. The distance between the tube sacs 2 arranged on the two end surfaces and the tube sacs 2 arranged in the middle of the side surface is gradually increased from one end of the balloon 1 far away from the balloon knot 7 to one end provided with the balloon knot 7. In some embodiments, at least one ring of the tube sac may be disposed on the end face of the balloon 1 and inside the tube sac (on the end face) as shown.

It should be noted that when there are multiple tube sacs arranged on the balloon, the structure of the drainage channel formed on each tube sac can be selected from one or more of the three forms shown in fig. 6.

The multiple tube sacs 2 can support and form negative pressure areas in multiple directions between opposite surfaces of the uterine cavity and the balloon, so that on one hand, effusion/extravasated blood can be discharged, infection is avoided, more favorable conditions are created for postoperative recovery of the uterine cavity, and wound healing is accelerated; on the other hand, the size of the contact surface between the saccule and the uterine cavity can be selectively reduced, the compression situation of the saccule on the uterine cavity is controlled, the blood circulation condition of the uterus is improved, the postoperative recovery process is further promoted, and the wound healing is further accelerated.

When a plurality of tube sacs 2 are provided, at least part of the tube sacs 2 can form a drainage channel 22. The remaining other tube sacs 2 can also be provided with drainage channels or have no drainage channels, and when the drainage channels can be formed, needle holes are arranged on the wall of the formed drainage channel sac, if the part of tube sacs are used for inputting medicines, the medicines can seep into the uterine cavity from the expanded needle holes and quickly diffuse to the wall of the uterine cavity by virtue of the drainage channels, after the medicines are conveyed, the part of tube sacs are retracted to the original state, the needle holes are reduced and are sealed in the wall of the drainage channel, effusion/extravasated blood can be effectively prevented from entering, the cross sections of the drainage channels on the tube sacs are preferably of the structures (6.1) and (6.2) in the graph 6, and further optimization can be carried out, so that the medicines can be quickly and uniformly diffused.

As shown in fig. 1, 3, 8 and 9, each of the aforementioned tubular balloons is continuously wound around the outer wall of the balloon in one turn, and the end face of the outer wall after swelling is a smooth curved surface. In some embodiments, a plurality of grooves are distributed on the end face of the expanded tube sac and arranged alternately along the surrounding direction of the tube sac, and the outer ports of the grooves extend to the outer port (a points to the pointed port) of the drainage channel, so that accumulated liquid/extravasated blood can flow to the drainage channel more quickly along the grooves and can be discharged timely, and better conditions are created for the healing of the uterine cavity wound.

In specific implementation, the sac knot 7 can have a sac cavity structure, and the sac cavity of the sac knot 7 is communicated with the sac cavity of the tube sac 2, so that the sac knots can be expanded at the same time. Alternatively, the balloon knot 7 may have a balloon cavity structure, and the inflated state thereof may be controlled independently (in this case, a channel structure separately communicating with the balloon knot 7 may be provided on the catheter 3). Through setting up the sac knot 7 that has the cyst cavity structure, can form bearing structure in the position of combining of palace chamber and cervix uteri, push sacculus 1 to the palace intracavity better, help strengthening the oppression effect of sacculus to the palace chamber, exert the hemostatic effect of oppression better.

When the tube sac 2 is provided with a plurality of tube sacs, part of the tube sacs can be selected to enable the sac cavities of the tube sacs to be communicated with the sac cavity structure of the sac knot 7, or the sac cavities of all the tube sacs 2 are communicated with the sac cavity structure of the sac knot 7.

When the tube sacs 2 are provided with a plurality of tube sacs, a communicating tube (the free ends of the communicating tubes extend out from the port of the second branch tube) can be respectively arranged corresponding to each tube sac 2, or a communicating tube is respectively and independently arranged corresponding to part of the tube sacs, and a communicating tube is correspondingly arranged on the rest part of the tube sacs. At this time, the wall body of a part of the tube sac is provided with needle holes (after the tube sac is expanded, the arranged needle holes can be expanded, and the needle holes are almost closed before the tube sac is not expanded), in particular, the tube sac 2 of the communicating tube is separately arranged, and medicines are injected into the uterine cavity by the aid of the part of the tube sac 2 so as to better promote recovery or implement treatment.

After the sac knot 7 is expanded, the port of the cavity is annular, and the inner wall of the cavity can keep a distance relative to the outer wall of the expanded saccule 1, so that effusion/extravasated blood can be discharged more conveniently. If the sac knot 7 has a sac cavity structure, an outward flange is formed at the port part after the sac knot 7 is expanded, an outward flange is formed at the port part similar to the bowl mouth, and the outward flange is used for forming support near the position where the uterine cavity is combined with the cervix, so that accumulated liquid/extravasated blood is prevented from entering the cervix, and is more fully discharged out of the body from the third branch pipe 6 through the cavity, and infection is better avoided.

As shown in fig. 9, a side branch 8 is provided on the catheter 3, and the side branch 8 communicates with the lumen. By means of the side branch tube 8, an examination instrument can be inserted into the uterine cavity of the uterus or directional drug delivery can be carried out, the recovery condition of the wound surface of the uterus can be examined or supplementary treatment can be implemented. The guiding and controlling hose 91 with a micro monitoring instrument (an ultrasonic detector, a camera and the like) and/or a drug administration instrument and/or a therapeutic instrument is connected with the monitoring instrument 9, the motion and the orientation of the end of the guiding and controlling hose 91 can be controlled by the monitoring instrument 9, and a real-time picture in the uterine cavity is displayed on a display of the guiding and controlling hose 91, so that the intrauterine condition and the motion of the end part of the guiding and controlling hose 91 can be better observed.

After the sac knot 7 is expanded, the port of the cavity is fully opened, and the end of the guiding and controlling hose 91 is easily controlled to extend into the uterine cavity through the port. Be equipped with the tensile silk and the data cable that can regulate and control the end orientation in the guide hose 91 (prior art can solve, has had many application scenarios, no longer gives unnecessary details).

When the guiding and controlling hose 91 is fed into the uterine cavity, the tubular bag 2 is generally only required to be controlled to be expanded to a certain degree, at this time, the pump 92 connected with the second branch pipe 5 can be arranged, the pump 92 is controlled by the monitoring instrument 9, the second branch pipe 5 is provided with the pressure gauge 51, and the pressure gauge 51 is preferably connected with the monitoring instrument 9, so that the monitoring instrument 9 can control the working state (pumping in or out) of the pump 92 in real time according to the feedback pressure value. In this embodiment, the control of the pump 92 by the monitor 9 enables the pump to be automatically started-stopped at certain time intervals, and to be cyclically pumped out and pumped in at certain frequency within a certain starting operation time (the pumped-out and pumped-in amount can be set by the monitor each time), so that the tube sac has a continuous expansion and contraction change state, the flow of accumulated liquid/extravasated blood in the uterine cavity is promoted, the drainage effect is further improved, and the accumulated liquid/extravasated blood is discharged.

In some applications, the balloon may be inflated to some extent and then inflated to a relatively greater extent to balloon 2. The specific requirements are selected according to purposes and actual requirements.

If the balloon knot 7 has an independent balloon cavity structure and the inflated state can be controlled individually, it is also possible to control the inflation of the balloon knot 7 only to a certain extent while the pilot hose 91 is introduced from the balloon knot 7 to the cavity formed between the balloons 1 first.

When the side branch pipes 8 are arranged for extending the guiding and controlling hose 91 into the uterine cavity, the number of the tube bags 2 is preferably a plurality, so that the uterine cavity can be better supported by the tube bags 2, the wall surface of the uterine cavity is separated from the balloon, a larger moving space is created for the end part of the guiding and controlling hose 91, and the examination or treatment operation is convenient to implement. Preferably, in such an embodiment, the inflation of each balloon 2 can be individually controlled (i.e., the balloons are not in communication with each other).

The tube sac expands to form a cambered surface, the drainage channel is formed in the sac tube, and the outer wall of the sac tube is provided with a flow guide hole 23 communicated with the drainage channel.

In the application of the patent scheme, the balloon 1 mainly plays the roles of compression hemostasis and supporting adhesion prevention. The main function of the tube sac and the sac knot is to create a drainage channel so as to timely and fully discharge accumulated liquid/extravasated blood in the uterine cavity to the outside of the body, create better conditions for the healing and recovery of the postoperative uterine cavity and avoid infection. Therefore, the balloon and the tube sac are not simultaneously in the inflated state for a long time in general, more the balloon is kept in the inflated state, the tube sac is intermittently inflated to form a protruding structure relative to the balloon, and therefore, the inflation and the retraction of the tube sac are preferably controlled by arranging an automatic controller. When the tube sac is expanded, the expansion degree of the balloon can be relatively weakened, so that the support anti-adhesion function is exerted, the effusion/extravasated blood drainage effect is promoted, the blood circulation condition of the uterine wall is improved, and the wound can be better and more quickly healed and recovered.

As shown in fig. 4, the wall of the tube sac 2 is tightly attached to the outer wall of the balloon 1 only when the balloon 1 is inflated (the balloon 1 is inflated synchronously, but the lumen of the tube sac is not expanded — that is, the walls of the tube sac are tightly attached to each other). After the balloon 1 is inflated, liquid or gas is injected into the tube sac 2 to inflate the tube sac 2, so that the tube sac 2 can form an outward protruding structure relative to the outer wall of the balloon 1. In the absence of complete inflation of the balloon 1, the balloon 2 is merely inflated to form a raised support structure, which provides limited drainage and support effects, and may be desirable for temporary deployment or for use only for specific purposes.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Many modifications may be made to the present invention without departing from the spirit or scope of the general inventive concept, and it will be apparent to those skilled in the art that changes and modifications may be made to the above-described embodiments without departing from the spirit or scope of the invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides an antiseized even uterus support, includes the sacculus, with the pipe that the sacculus is connected, its characterized in that: the catheter also comprises a tube sac arranged on the outer wall of the saccule and a sac knot arranged at the junction of the saccule and the catheter, and a cavity is formed between the sac knot and a wall body opposite to the saccule; the catheter is provided with a pipeline which is respectively communicated with the sacculus cavity of the sacculus, the sacculus cavity of the tube sac and the cavity; the tube sac can form a drainage channel after being expanded, the drainage channel can be directly or indirectly communicated with the uterine cavity, and the end part of the drainage channel extends into the uterine cavity.

2. The anti-adhesion uterine stent of claim 1, wherein: the sac knot is provided with a sac cavity which is communicated with the sac cavity of the tube sac, or the catheter is separately provided with a branch pipeline which is communicated with the sac cavity of the sac knot.

3. The anti-adhesion uterine stent of claim 2, wherein: after the balloon knot is expanded, the port of the cavity is annular, and the inner wall of the cavity can keep a distance from the outer wall of the expanded balloon.

4. The anti-adhesion uterine stent of claim 3, wherein: a plurality of tube sacs distributed at intervals are arranged on the outer wall of the balloon, each tube sac respectively surrounds the outer wall of the balloon for a circle, and two end parts of each tube sac extend into the cavity; at least a portion of the tube sac is capable of forming a drainage channel.

5. The anti-adhesion uterine stent of claim 4, wherein: the middle part of the side surface of the saccule is provided with a tube sac, and the upper end surface and the lower end surface of the saccule are respectively provided with at least one tube sac by taking the tube sac as a boundary;

the distance between the tube sacs arranged on the two end surfaces of the saccule and the tube sacs arranged in the middle of the side surface is gradually increased from one end of the saccule far away from the sac knot to one end of the saccule with the sac knot.

6. The anti-adhesion uterine stent according to any one of claims 2 to 5, characterized in that: a side branch pipe is arranged on the catheter and is communicated with the cavity.

7. The anti-adhesion uterine stent of claim 1, wherein: a plurality of tube sacs distributed at intervals are arranged on the outer wall of the balloon, each tube sac respectively surrounds the outer wall of the balloon for a circle, and two end parts of each tube sac extend into the cavity; at least a portion of the tube sac is capable of forming a drainage channel.

8. The anti-adhesion uterine stent of claim 7, wherein: the drainage channel is formed on the side surface of the tube sac and/or the end surface of the tube sac, or the drainage channel is formed in the sac tube, and a flow guide hole communicated with the drainage channel is formed in the outer wall of the sac tube.

9. The anti-adhesion uterine stent according to any one of claims 1 to 5, characterized in that: the drainage channel is formed on the side face of the tube sac and/or on the end face of the tube sac.

10. The anti-adhesion uterine stent according to any one of claims 1 to 5, characterized in that: the tube sac expands to form a cambered surface, the drainage channel is formed in the sac tube, and a flow guide hole communicated with the drainage channel is formed in the outer wall of the sac tube.

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