Remaining wearable non-inductive coprophilous fungus transplantation infusion catheter

Abstract

The indwelling wearable non-inductive coprophilous fungus transplantation infusion catheter comprises an indwelling catheter body, an injection hole is formed in the indwelling catheter body, and the indwelling catheter body is composed of an imbedding part used for being imbedded into the intestinal tract of an external patient and an operation part located outside the external patient. The injection hole is communicated to the initial end of the operation part and is provided with an injection port for external medical staff to inject medicine, and an adjusting piece used for automatically adjusting the relative distance and the relative inclination angle between the imbedding part and the operation part along with the posture change of an external patient is arranged between the imbedding part and the operation part. A matching piece which is used for being matched with an external titanium clip in an operation to fix the imbedding part is arranged on the imbedding part, and a fixing piece which is used for fixing the indwelling catheter on an external patient is arranged on the indwelling catheter. The problems that the anus of a patient feels uncomfortable due to the fact that a traditional coprophilous fungus transplantation catheter is reserved during coprophilous fungus transplantation for multiple times in a short time, and a new catheter needs to be frequently placed when the catheter falls off are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of fecal microbiota transplantation surgical instruments, and in particular to an indwelling wearable non-invasive fecal microbiota transplantation infusion catheter. Background Art

[0002] In fecal microbiota transplantation (FMT), when the transplant is carried out through the lower gastrointestinal tract, bacterial juice can be injected through colonoscopy, enema, colostomy, and transendoscopic enteral tubing (TET). The TET technology can retain the catheter in the anus for up to one to two weeks, allowing multiple transplants in a short period of time. At present, the catheter used in the implementation of TET often causes foreign body discomfort in the patient's anus, and even causes tenesmus and affects sleep. At the same time, the patient is prone to damaging the catheter when lying in bed, or the patient's buttocks and the catheter are pressed against each other for a long time, causing pressure sores. In addition, during the two-week life with the tube, the transplant catheter may accidentally shift or fall off, and the transplant catheter needs to be reinserted, increasing the patient's pain and economic burden. Summary of the invention

[0003] In view of the shortcomings of the existing technology, the present invention provides an indwelling wearable non-invasive fecal microbiota transplantation infusion catheter to solve the problems of discomfort and easy falling off of traditional fecal microbiota transplantation catheters at the anus.

[0004] To achieve the above-mentioned purpose, the present invention provides an indwelling wearable non-invasive fecal microbiota transplantation infusion catheter, comprising an indwelling catheter, the indwelling catheter being provided with an injection hole, the indwelling catheter being composed of an insertion portion for insertion into the intestine of an external patient and an operating portion located outside the external patient, the injection hole being connected to the beginning of the operating portion and being provided with an injection port for external medical staff to inject drugs, an adjusting member being provided between the insertion portion and the operating portion for autonomously adjusting the relative spacing and relative inclination angle between the insertion portion and the operating portion as the posture of the external patient changes, the insertion portion being provided with a mating member for cooperating with an external titanium clip during surgery to achieve fixation of the insertion portion, and the indwelling catheter being provided with a fixing member for fixing the indwelling catheter on the external patient.

[0005] The advantages of adopting the above technical solution are: during the fecal microbiota transplantation, the medical staff inserts an indwelling catheter, so that the insertion portion of the indwelling catheter is inserted into the patient's body, while the operating portion is left outside the patient's body for the medical staff to operate; in the above technology, an adjustment member is provided between the operating portion and the insertion portion for automatically adjusting the relative distance and relative inclination angle between the insertion portion and the operating portion as the patient's lying or standing posture changes, and the angle and distance between the two are automatically adjusted by the adjustment member, thereby ensuring that the indwelling catheter will not be bent, folded or crushed when the patient's posture changes, thereby ensuring that the indwelling catheter can be reused in a short period of time, which is convenient for medical staff to use Indwelling catheter for fecal microbiota transplant surgery; the patient needs to undergo multiple fecal microbiota transplant surgeries in a short period of time, and the above-mentioned technology is used to achieve the repeated use of the indwelling catheter in a short period of time, avoiding the multiple installation or removal of the catheter on the patient, thereby avoiding the patient's anus from being damaged by friction due to frequent insertion and removal of the catheter. The above-mentioned technology is used to improve patient comfort without affecting the patient's daily life, and at the same time saves a lot of catheterization time for medical staff. In the above-mentioned technology, the indwelling catheter can be provided with scales along its length, so that the medical staff can trim the length of the indwelling catheter according to the insertion length and the actual anal size of the patient, so as to adapt to the anus of different patients.

[0006] The present invention is further provided with: an insertion port for the insertion of the starting end of the insertion portion, the insertion port is connected to the injection hole, a soft film is wrapped between the operating portion and the insertion portion, the soft film is made of a plurality of foldable wrinkled sheets connected along the folding and stretching direction, the starting end of the soft film is connected to the end of the operating portion and the inner peripheral wall of the soft film is connected to the outer peripheral wall of the end of the operating portion, the end of the soft film is connected to the starting end of the insertion portion and the inner peripheral wall of the soft film is connected to the outer peripheral wall of the starting end of the insertion portion, and the soft film is the adjusting member.

[0007] The advantages of adopting the above technical solution are as follows: in the above technology, a soft film is wrapped between the operating part and the insertion part, that is, a soft film is connected between the two, and an insertion port for the insertion of the starting end of the insertion part is opened at the end of the operating part, and the connection between the insertion port and the injection hole is achieved by plugging the starting end of the operating part with the insertion port, and the soft film is used to wrap the insertion port and the starting end of the operating part, that is, to achieve the sealing of the connection between the insertion port and the operating part, and the soft film is made of a plurality of foldable corrugated sheets connected along the folding and stretching direction, so that the soft film can be stretched and bent autonomously along the opening direction of the operating part, that is, when the patient's posture changes, the operating part will be pulled to stretch or shrink or drive the operating part to swing, and at this time, the soft film will be adaptively adjusted with the stretching, shrinking or swinging of the operating part, that is, the soft film stretches with the stretching of the operating part, shrinks with the shrinking of the operating part, and bends with the swinging of the operating part, thereby achieving the purpose of adaptively adjusting the soft film with the change of the patient's posture, avoiding the jamming phenomenon at the connection between the operating part and the insertion part. The invention can improve the comfort of the patient when the indwelling catheter is placed in the anus of the patient by setting the above-mentioned technology; in the above-mentioned technology, after the insertion part is inserted into the anus of the patient, the soft membrane can be located at the anus of the patient, so as to realize the adaptive adjustment of the soft membrane with the stretching, contraction or swinging of the operation part, that is, the soft membrane stretches with the stretching of the operation part, contracts with the contraction of the operation part, and bends with the swing of the operation part, so as to achieve the purpose of adaptive adjustment of the soft membrane with the change of the patient's posture, and the soft membrane is located at the anus of the patient, which further improves the comfort of the patient when indwelling, and the initial state of the soft membrane is a folded state, so that the catheter has a certain strength and hardness when it is inserted, so as to ensure the normal insertion of the indwelling catheter, and stretch it after insertion, and the overall stretching length is about 10cm, which is in line with the length of the human anal canal, so as to reduce the discomfort of the patient and improve the adaptability.

[0008] The present invention further provides that: the soft film is made of tension-free soft plastic film material.

[0009] The benefits of adopting the above technical solution are: the soft membrane in the above technology is made of a tension-free soft plastic film material, which is highly soft and tension-free, so as to avoid the soft membrane being compressed and damaged due to changes in posture during the patient's daily rehabilitation or treatment, or the soft membrane being too hard and squeezing the patient's buttocks for a long time to cause pressure sores. At the same time, because it is tension-free, it ensures that the insertion part and the operating part will not be over-stretched after the distance between them reaches a certain distance, thereby avoiding breakage at the connection between the insertion part and the operating part.

[0010] The present invention further provides that: a one-way sealing valve is provided at the beginning of the insertion portion for preventing the backflow of feces and water in the injection hole or the backflow of medicine from overflowing through the injection port.

[0011] The benefit of adopting the above technical solution is that the one-way sealing valve in the above technology is used to prevent the backflow of feces or drugs in the injection hole, so as to prevent the backflow of feces or drugs after the patient's posture and overflow from the injection port to the outside of the indwelling catheter, thereby avoiding contamination or infection.

[0012] The present invention is further provided that: the one-way sealing valve is composed of a plurality of sealing flaps, the radial cross-sections of the plurality of sealing flaps are arranged in an arc shape, each of the sealing flaps is bent toward the axis direction of the injection hole, the side walls of each sealing flap are fitted with the side walls of the respective adjacent sealing flaps, the starting end of each sealing flap is gathered toward the axis direction of the injection hole and combined to form a sealing protrusion for closing the injection hole, and the sealing flaps are made of elastic plastic material.

[0013] The advantages of adopting the above technical scheme are as follows: in the above technology, the one-way valve is composed of several sealing flaps, the radial cross-sections of the several sealing flaps are arranged in an arc shape, and each sealing flap is bent toward the axis direction of the injection hole, so that the side wall of each sealing flap is fitted with the side wall of the adjacent sealing flap, and the sealing of the sealing flap circumference is achieved by fitting with each other. A sealing protrusion is formed by the combination of multiple sealing flaps, and the protrusion direction of the sealing protrusion is arranged toward the insertion part. When a force is applied to the top wall of the sealing flap along the direction from the injection port to the injection hole, because the sealing flap is bent toward the insertion part, the force can easily squeeze the sealing flap open to clear the injection hole. If the fecal water or the drug solution overflows toward the injection port, it will apply a force to the bottom wall of the sealing flap, that is, when a force is applied to the sealing protrusion, the sealing flap cannot be deformed toward the injection port because its side wall abuts against the side wall of the adjacent sealing flap, that is, it cannot be squeezed open by the force, thereby realizing the function of one-way sealing, thereby preventing the fecal water or the drug solution from flowing back and overflowing through the injection port to the outside of the indwelling catheter.

[0014] The present invention further provides that: the insertion portion is penetrated by a liquid inlet hole, the liquid inlet hole is coaxially aligned with the injection hole and connected, a plurality of liquid outlet holes are circumferentially opened on the outer peripheral wall at the end of the insertion portion, and the plurality of liquid outlet holes are connected to the liquid inlet hole.

[0015] The benefits of adopting the above technical solution are: the provision of several liquid outlet holes and liquid inlet holes in the above technology facilitates medical staff to perform fecal microbiota transplantation and drug injection, and multi-angle fecal microbiota collection and large-scale drug injection are achieved through several liquid outlet holes, thereby increasing the drug coverage area and fecal microbiota collection rate.

[0016] The present invention further provides that: the matching piece includes a plurality of fixing strings arranged at the end of the insertion portion, and each of the fixing strings is arranged in an alternating manner with an adjacent fixing string position.

[0017] The benefits of adopting the above technical solution are: the setting of the fixed string in the above technology is used to facilitate medical staff to temporarily fix the insertion part in the patient's body through the clamping cooperation of the titanium clip and the fixed string under colonoscopy after the insertion part is inserted into the patient's body, thereby facilitating fecal bacteria collection and drug injection, while avoiding the problem of transplant catheter displacement, shaking or loosening during the operation.

[0018] The present invention further provides: the fixing part includes a fixing belt for tying around the waist of an external patient, the fixing belt is provided with a fixing plate, the fixing plate is provided with a rotating groove, the radial cross-section of the rotating groove is circular, a turntable is rotatably provided in the rotating groove, the turntable is adapted to the shape of the rotating groove, a fixing plate is provided on the turntable, the radial cross-section of the fixing plate is arc-shaped and both ends of the fixing plate are connected to the outer wall of the turntable, the fixing plate is made of soft plastic material, an installation opening for inserting the starting end of the operating part is formed between the inner circumferential wall of the fixing plate and the outer wall of the turntable, a limiting protrusion is annularly provided on the outer circumferential wall of the turntable, and a limiting groove for inserting the limiting protrusion is provided on the inner circumferential wall of the rotating groove.

[0019] The above technical solution is beneficial in that: the medical staff ties the fixed belt around the patient's waist, and then adjusts the position of the fixed belt so that the fixed plate is located on the patient's back. After that, the medical staff places the operating part into the installation opening and tightens it with the installation opening. In the above technology, the turntable is rotatably arranged in the rotating groove and the turntable rotates along its axial direction, and the fixing plate is arranged on the turntable, so that the operating part can rotate autonomously, that is, the operating part can be adjusted with a small tilt angle to adapt to the patient's posture, that is, when the patient's posture changes, the operating part will be driven to swing or shake. The above technical setting is realized The operating part is adaptively adjusted to ensure the patient's wearing comfort and fix the operating part, so as to avoid excessive bending or exposure to the outside world or excessive pressure on the operating part to cause damage or infection; the fixing plate in the above technology is made of soft plastic material to avoid excessive squeezing of the operating part due to excessive hardness, thereby avoiding damage or blockage of the operating part due to pressure; the setting of the limiting groove and the limiting protrusion in the above technology is used to prevent the turntable from escaping from the fixing plate, thereby ensuring that the operating part will not detach from the fixing belt; the temporary fixation of the operating part of the indwelling catheter is achieved by fixing the belt, thereby improving the patient's comfort.

[0020] The present invention further provides that: a slide groove is provided on the fixed waist belt along the opening direction of the fixed waist belt, and the fixed plate is slidably arranged in the slide groove along the opening direction of the fixed waist belt.

[0021] The benefits of adopting the above technical solution are: in the above technology, a slide groove is provided on the fixed belt, so that the fixed plate can be slidably set in the slide groove along the direction in which the slide groove is opened, that is, it slides along the direction in which the fixed belt is opened, so that when the patient's posture changes, the fixed plate adaptively adjusts its relative position on the slide groove, thereby ensuring that when the patient twists or bends his waist, the fixed plate still maintains a position relatively aligned with the patient's buttocks, thereby ensuring the patient's wearing comfort and fixing the operating part, thereby avoiding excessive bending or exposure of the operating part to the outside world or excessive pressure to cause damage or infection.

[0022] The present invention is further provided that: a Velcro structure is provided between the two ends of the fixed waist belt.

[0023] The advantages of adopting the above technical solution are that the fixing belt can be quickly tied to the patient through the Velcro structure, and the patient can independently adjust the tightness of the fixing belt through the Velcro structure according to the comfort level. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A simplified three-dimensional view of the indwelling catheter in the present invention in an unstretched state;

[0025] Figure 2 for Figure 1 Simple cross-sectional view;

[0026] Figure 3 A simplified three-dimensional view of the indwelling catheter in the present invention in a stretched state;

[0027] Figure 4 A simplified three-dimensional view of the fixed waist belt in the present invention;

[0028] Figure 5 It is a simplified cross-sectional view of the fixing plate and its structure in the present invention. DETAILED DESCRIPTION

[0029] The present invention provides an indwelling wearable non-infectious fecal microbiota transplantation infusion catheter, comprising an indwelling catheter 1, the indwelling catheter 1 is provided with an injection hole 11, the indwelling catheter 1 is composed of an insertion part 2 for inserting into the intestine of an external patient and an operating part 3 located outside the external patient, the injection hole 11 is connected to the beginning of the operating part 3 and is provided with an injection port 21 for external medical staff to inject drugs, an adjusting member for autonomously adjusting the relative spacing and relative inclination angle between the insertion part 2 and the operating part 3 as the posture of the external patient changes is provided between the insertion part 2 and the operating part 3, a matching member for cooperating with an external titanium clip during surgery to achieve fixation of the insertion part 2 is provided on the indwelling catheter 1, and a matching member for fixing the indwelling catheter 1 in the indwelling catheter 1 is provided on the indwelling catheter 1. A fixing part on the patient's body outside, an insertion port 31 is provided at the end of the operation part 3 for the insertion of the starting end of the insertion part 2, and the insertion port 31 is connected to the injection hole 11. A soft film 4 is wrapped between the operation part 3 and the insertion part 2, and the soft film 4 is made of a plurality of foldable wrinkled sheets 41 connected along the folding and stretching direction. The starting end of the soft film 4 is connected to the end of the operation part 3 and the inner peripheral wall of the soft film 4 is connected to the outer peripheral wall of the end of the operation part 3. The end of the soft film 4 is connected to the starting end of the insertion part 2 and the inner peripheral wall of the soft film 4 is connected to the outer peripheral wall of the starting end of the insertion part 2. The soft film 4 is an adjusting part, and the soft film 4 is made of a tension-free soft plastic film material. The starting end of the insertion part 2 is provided with a device for preventing the backflow of feces or drugs in the injection hole 11 from flowing back through the injection port 21 overflow one-way sealing valve, the one-way sealing valve is composed of a plurality of sealing flaps 5, the radial cross-sections of the plurality of sealing flaps 5 are arranged in an arc shape, each of the sealing flaps 5 is bent toward the axial direction of the injection hole 11, the side walls of each of the sealing flaps 5 are fitted with the side walls of the respective adjacent sealing flaps 5, the starting end of each of the sealing flaps 5 is gathered toward the axial direction of the injection hole 11 and combined to form a sealing protrusion 51 for closing the injection hole 11, the sealing flap 5 is made of elastic plastic material, the insertion part 2 is penetrated by a liquid inlet hole 22, the liquid inlet hole 22 is coaxially aligned with the injection hole 11 and connected, and a plurality of liquid outlet holes 23 are circumferentially opened on the outer peripheral wall at the end of the insertion part 2, and the plurality of liquid outlet holes 23 are connected to the liquid inlet hole 22 The matching part includes a plurality of fixed strings 24 arranged at the end of the insertion part 2, each of the fixed strings 24 is staggered with the adjacent fixed strings 24, the fixing part includes a fixed belt 6 for tying around the waist of an external patient, the fixed belt 6 is provided with a fixed plate 61, a rotating groove 611 is provided on the fixed plate 61, the radial cross section of the rotating groove 611 is circular, a rotating disk 62 is rotatably arranged in the rotating groove 611, the rotating disk 62 is adapted to the shape of the rotating groove 611, a fixing plate 63 is arranged on the rotating disk 62, the radial cross section of the fixing plate 63 is arc-shaped, and both ends of the fixing plate 63 are connected to the outer wall of the rotating disk 62, and the fixing plate 63 is made of soft plastic material.An installation opening 631 is formed between the inner wall of the fixing plate 63 and the outer wall of the rotating disk 62 for the beginning of the operating part 3 to be placed. A limiting protrusion 621 is formed on the outer wall of the rotating disk 62 in an annular direction. A limiting groove 612 is formed on the inner wall of the rotating groove 611 for the limiting protrusion 621 to be placed. A sliding groove 64 is formed on the fixed belt 6 along the opening direction of the fixed belt 6. The fixing plate 61 is slidably arranged in the sliding groove 64 along the opening direction of the fixed belt 6. A Velcro structure 65 is arranged between the two ends of the belt.

[0030] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention shall be defined by the attached claims and their equivalents.

Claims

1. An indwelling wearable non-invasive fecal microbiota transplantation infusion catheter, characterized in that: The indwelling catheter comprises an indwelling catheter, which is provided with an injection hole. The indwelling catheter is composed of an insertion portion for insertion into the intestine of an external patient and an operating portion located outside the external patient. The injection hole is connected to the beginning of the operating portion and is provided with an injection port for external medical personnel to inject drugs. An adjusting member for autonomously adjusting the relative spacing and relative inclination angle between the insertion portion and the operating portion as the posture of the external patient changes is provided between the insertion portion and the operating portion. A matching member for cooperating with an external titanium clip during surgery to achieve fixation of the insertion portion is provided on the insertion portion. A fixing member for fixing the indwelling catheter on the external patient is provided on the indwelling catheter.

2. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 1, characterized in that: The end of the operating part is provided with an insertion inlet for the beginning of the insertion part to be inserted, and the insertion inlet is connected to the injection hole. A soft film is wrapped between the operating part and the insertion part, and the soft film is made of a plurality of foldable wrinkled sheets connected along the folding and stretching direction. The beginning of the soft film is connected to the end of the operating part, and the inner peripheral wall of the soft film is connected to the outer peripheral wall of the end of the operating part. The end of the soft film is connected to the beginning of the insertion part, and the inner peripheral wall of the soft film is connected to the outer peripheral wall of the beginning of the insertion part. The soft film is the adjusting member.

3. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 2, characterized in that: The soft film is made of tension-free soft plastic film material.

4. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 2, characterized in that: A one-way sealing valve is arranged at the beginning of the insertion part to prevent the excrement in the injection hole from flowing back or the medicine from flowing back and overflowing through the injection port.

5. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 5, characterized in that: The one-way sealing valve is composed of a plurality of sealing flaps, and the radial cross-sections of the plurality of sealing flaps are arranged in an arc shape. Each of the sealing flaps is bent toward the axis of the injection hole, and the side walls of each sealing flap are fitted with the side walls of the adjacent sealing flaps. The starting end of each sealing flap gathers toward the axis of the injection hole and is combined to form a sealing protrusion for closing the injection hole. The sealing flaps are made of elastic plastic material.

6. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 2, characterized in that: The insertion part is penetrated by a liquid inlet hole, which is coaxially aligned with the injection hole and connected thereto. A plurality of liquid outlet holes are circumferentially opened on the outer peripheral wall at the end of the insertion part, and the plurality of liquid outlet holes are connected thereto.

7. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 2, characterized in that: The matching piece includes a plurality of fixing strings arranged at the end of the insertion portion, and each fixing string position is staggered with an adjacent fixing string position.

8. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 1, characterized in that: The fixing part includes a fixing belt for tying around the waist of an external patient, a fixing belt is provided with a fixing plate, a rotating groove is provided on the fixing plate, the radial cross-section of the rotating groove is circular, a turntable is rotatably provided in the rotating groove, the turntable is adapted to the shape of the rotating groove, a fixing plate is provided on the turntable, the radial cross-section of the fixing plate is arc-shaped and both ends of the fixing plate are connected to the outer wall of the turntable, the fixing plate is made of soft plastic material, an installation opening for inserting the starting end of the operating part is formed between the inner circumferential wall of the fixing plate and the outer wall of the turntable, a limiting protrusion is circumferentially provided on the outer circumferential wall of the turntable, and a limiting groove for inserting the limiting protrusion is provided on the inner circumferential wall of the rotating groove.

9. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 8, characterized in that: A slide groove is provided on the fixed waist belt along the opening direction of the fixed waist belt, and the fixed plate is slidably arranged in the slide groove along the opening direction of the fixed waist belt.

10. The indwelling wearable non-invasive fecal microbiota transplantation infusion catheter according to claim 8, characterized in that: A Velcro structure is arranged between the two ends of the fixed waist belt.

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