CN209967402U

CN209967402U - Transgastrointestinal endoscope fecal bacteria transplantation push injection catheter

Info

Publication number: CN209967402U
Application number: CN201920628664.0U
Authority: CN
Inventors: 胡洋; 徐婷婷; 吕沐瀚; 夏洪芬
Original assignee: Affiliated Hospital of Southwest Medical University
Current assignee: Affiliated Hospital of Southwest Medical University
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-21
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a pipe is injected in implantation of intestines and stomach mirror fecal bacteria relates to medical instrument technical field, and it includes the handle that cavity set up and is used for injecting the pipe of fecal bacteria, handle one end is provided with the connecting portion that are used for connecting the pipe, the handle is kept away from pipe one side and is provided with the injection syringe that is used for injecting the fecal bacteria into in the handle. The push injection hose provided by the utility model can pass through the clamping channel of the endoscope to be inserted into the human body when the fecal bacteria is transplanted, so as to avoid the blockage and pollution of the clamping channel caused by the fecal bacteria and increase the comfort level of patients and medical staff in the transplanting process; meanwhile, the catheter is low in cost and can be used as a disposable medical instrument, so that the fecal strain transplantation is more sanitary.

Description

Transgastrointestinal endoscope fecal bacteria transplantation push injection catheter

Technical Field

The utility model belongs to the technical field of the medical equipment technique and specifically relates to a pipe is injected in implantation of intestines and stomach mirror fecal bacteria.

Background

Fecal transplantation (FMT), which is defined as the transplantation of functional flora in the feces of healthy people into the gastrointestinal tract of patients to reconstitute new intestinal flora and realize the treatment of intestinal and parenteral diseases. The professor of the invention of the university of medical Nanjing was the earliest doctor who developed the modern standardized fecal bacteria transplantation in China. Standardized fecal transplantation is to separate and obtain highly purified flora in a laboratory in a humanized way by means of modern instruments and equipment, and then infuse quantified bacteria liquid into the intestines of patients through endoscopes or drainage tubes.

The main transplantation method used at present is a treatment that after an endoscope reaches duodenum or reaches the ileocecal part through an enteroscope, a hollow needle extracts a proper amount of fecal bacteria and then directly injects the bacteria to a corresponding part through a biopsy forceps channel, and no auxiliary injection instrument is used in the treatment process. The fecal strain is directly injected through an endoscopic biopsy forceps channel, so that the pollution of examination instruments and the breeding of bacteria are easily caused, and the health of a patient is influenced; the direct injection of the thalli through the forceps channel easily causes blockage to the forceps channel, the phenomenon that the thalli emerge from the forceps channel or a large amount of thalli remain in the forceps channel possibly occurs, the feeling of people on the excrement is hindered, the whole transplanting process is difficult for ordinary people to open the teeth, once the condition occurs, not only can great influence be caused on the treatment effect, but also the psychological burden of a patient can be increased, the patient feels nausea, and meanwhile, certain impact can be caused to the psychology of medical care personnel; in addition, the endoscope lens is submerged by the fecal bacteria by directly injecting the fecal bacteria through the forceps channel, so that medical personnel cannot observe the treatment process, namely, the treatment condition of the patient cannot be accurately controlled, and the treatment effect of the patient is influenced.

The injection needles mainly used for fecal bacteria transplantation in the market at present are an Olympus gastroscope injection needle, an Olympus enteroscope injection needle and a Bolang injection needle, one injection needle is embedded in the sheath tubes of the three injection needles, and the three injection needles are used for injection, so that the tube body is easy to block due to the high fecal bacteria density and the high viscosity of the fecal bacteria, and the four injection needles are high in price, so that the treatment cost of a patient is increased, and the great economic burden is caused to the fecal bacteria transplantation patient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a transplant pipe through intestines and stomach mirror fecal bacteria transplantation, it makes whole process of pushing go on under visual condition to can avoid the fecal bacteria to cause the pollution to the inspection instrument, strengthened the standardization of operation under the fecal bacteria transplantation scope.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a pipe is pushed in transenteroscopy coprophilous fungus transplantation, includes the handle of cavity setting and is used for pushing the pipe of coprophilous fungus, handle one end is provided with the connecting portion that are used for connecting the pipe, the handle is kept away from pipe one side and is set up the syringe that is used for injecting the coprophilous fungus.

Further, one end of the catheter far away from the handle is provided with a blunt opening; so as to reduce the impact on the human body when the catheter is collided with the human body when entering the human body and protect the body of a patient to a certain extent.

Furthermore, a buffer head is arranged at one end of the guide pipe, which is far away from the handle, the cross section of the buffer head is oval, and a plurality of liquid outlets are formed at the position, which is close to the buffer head, of the guide pipe; the buffer head can play better cushioning effect when catheter end and patient's intestines mucosa contact, send into the patient with the coprophilous fungus respectively from a plurality of liquid outlets simultaneously internal, also can reduce the impact force to patient's intestines mucosa production when the coprophilous fungus is transplanted, further provides the guard action to patient's health.

Furthermore, the conduit is a plastic hose or a silicone tube; the hose is softer, reducible and the impact between patient's health.

Furthermore, a guide wire fixing cap is detachably arranged at the end part of the injection tube, the guide wire fixing cap is connected with a guide wire which passes through the handle and enters the catheter, and the length of the guide wire is consistent with that of the catheter; the guide wire is positioned in the catheter, so that the catheter can enter more smoothly when the catheter is inserted into the forceps channel, and the body of a patient cannot be injured.

Furthermore, an external thread is arranged at one end of the handle connected with the guide wire fixing cap, the guide wire fixing cap is in threaded connection with the handle, and the guide wire is fixed at the center of the guide wire fixing cap; the guide wire fixing cap and the handle are very convenient to detach and connect, so that the guide wire can be quickly and simply stretched into and taken out.

Further, the length of the conduit is 1700-.

Further, the diameter of the conduit is 2.5-3 mm.

The utility model has the advantages as follows:

the utility model provides a through intestines and stomach mirror fecal bacteria transplantation push pipe is when using, send into the human body from the pincers way of scope with the pipe, when waiting to send to the position of transplanting, utilize the syringe to send the fecal bacteria of waiting to transplant into the handle from the syringe, and push the fecal bacteria into the human body by the pipe, accomplish the transplantation of fecal bacteria, and in whole transplantation process, because the fecal bacteria gets into the human body by the pipe, it can not submerge the scope camera lens, make medical personnel can observe whole treatment process in the process of transplanting the fecal bacteria, thereby carry out comparatively accurate judgement to patient's treatment condition; in addition, during transplantation, the fecal bacteria can not contact with the endoscope channel, so that the endoscope channel can not be polluted or blocked, the patient and the medical personnel can be effectively protected, and the treatment comfort of the patient and the medical personnel can be improved; in addition, the whole catheter is low in manufacturing cost and can be used as a disposable medical instrument, the medical burden of a patient can be reduced, the sanitary degree of fecal strain transplantation can be improved, the breeding of bacteria is reduced, and a good protection effect is achieved on the health of the patient.

Drawings

In order to more clearly illustrate the technical solution of the present invention using the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a transgastrointestinal fecal bacteria transplantation push catheter provided by the present invention;

FIG. 2 is a schematic view of the handle structure provided by the present invention;

fig. 3 is a schematic view of the blunt opening structure provided by the present invention;

fig. 4 is a schematic structural view of a buffer head provided by the present invention;

fig. 5 is a schematic structural view of a second embodiment of the buffer head provided by the present invention;

FIG. 6 is a schematic view of the whole structure of the guide wire fixing cap and the handle of the present invention;

FIG. 7 is a schematic view of the connection structure of the guide wire fixing cap and the guide wire of the present invention;

FIG. 8 is a schematic view of the assembly structure of the guide wire fixing cap and the handle of the present invention;

reference numerals: 1-handle, 2-catheter, 3-connecting part, 4-injection tube, 5-blunt opening, 6-guide wire fixing cap, 7-guide wire, 8-buffer head and 9-liquid outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are conventionally placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "in communication" are to be interpreted broadly, e.g., as either fixed or removable communication, or integrally connected; either mechanically or electrically; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 and fig. 2, the fecal bacteria transplantation push catheter through gastrointestinal endoscope provided in this embodiment is used for entering a human body from an endoscopic forceps channel and pushing fecal bacteria to be transplanted into the human body, and includes a hollow handle 1 and a catheter 2 for pushing fecal bacteria, wherein one end of the handle 1 is provided with a connecting part 3 for connecting the catheter 2, that is, one end of the handle 1 close to the catheter 2 is sealed, only a communicating part between the connecting part 3 and the handle 1 is provided with an opening for fecal bacteria to enter and exit, and the catheter 2 is communicated with the inside of the handle 1 through the connecting part 3; handle 1 is kept away from pipe 2 one side and is provided with injection tube 4 that is used for sending into the handle with the excrement fungus, this injection tube 4 is used for connecting medical syringe etc. and can sends into the inside device of handle with the excrement fungus, and the diameter of this injection tube 4 can set up to 4mm, make its disposable syringe needle looks adaptation with the hospital is commonly used, conveniently use the syringe needle and send into the excrement fungus in injection tube 4, and when the injection, injection tube 4 and syringe needle can better block, reduce the pollution of the bacterium in the air to the excrement fungus.

The conduit 2 and the connecting portion 3 may be connected in an interference fit manner, or may be connected by a common connecting member in the market.

The working principle is as follows: when the fecal bacteria is transplanted, the catheter 2 is sent into the body of a patient from a clamping channel, whether the catheter 2 is sent to a proper position can be observed through an endoscope, after the position of the catheter 2 is properly adjusted, fecal bacteria to be transplanted is sent into the handle 1 through the injection tube 4 by using an injection needle and is sent into the body of the patient through the catheter 2, the fecal bacteria transplantation is completed, in the whole transplantation process, the endoscope can be used for observing, so that the transplantation speed, the transplantation position and the like can be adjusted at any time, and meanwhile, the probability of damage to intestinal mucosa of the patient due to improper force application and the like in the transplantation process can be reduced; in addition, the whole transplantation process is clean and sanitary, infection can be avoided, and the patient can be well protected.

Further, as shown in fig. 3, the end of the catheter 2 away from the handle 1 is provided with a blunt opening 5; when the catheter is transplanted, the catheter 2 enters a human body from an endoscopic forceps channel, the end part of the catheter 2 can be contacted with the intestinal mucosa of the human body, and the blunt opening 5 is arranged at the end part of the catheter 2, so that the impact of the catheter 2 on the intestinal mucosa can be reduced, the injury of the catheter on the intestinal mucosa is reduced, and a certain protection effect on a patient is achieved.

Further, as shown in fig. 4, a buffer head 8 is disposed at an end of the conduit 2 away from the handle 1, the cross section of the buffer head 8 is elliptical, and a plurality of liquid outlets 9 are disposed at positions of the conduit 2 close to the buffer head 8; human intestinal mucosa is very fragile, when transplanting the fecal bacteria, it hurts the intestinal mucosa easily to go on colliding with the intestinal mucosa to more than 2 tip of pipe, when injecting the fecal bacteria, if injection speed is fast slightly, the fecal bacteria is gushed out from 2 tip of pipe on a large scale, and this embodiment sets up buffering head 8 at 2 tip of pipe, set up buffering head 8 into half ellipsoid form, it is when sending into the human body, do not have the edges and corners, can reduce the injury that causes the human body because of the collision, shunt the fecal bacteria when injecting simultaneously, make it divide into several and get into the human body from liquid outlet 9, make the fecal bacteria transplant more safe and reliable.

As shown in fig. 5, the liquid outlet 9 may also be disposed on the buffering head 8, so that fecal bacteria can enter the patient from the buffering head 8.

Further, the conduit 2 is a plastic hose, such as PE, PU, etc., and may also be a soft silicone tube; certainly also can set up the pipe into the hard tube in order to enlarge the audience face, and if set up pipe 2 into the hard tube, its hardness is big, when getting into the human body, harms patient's intestinal mucosa very easily, leads to the patient to receive the perforation injury, and is more serious when especially meeting the medical personnel who slightly frightens, and this embodiment adopts the hose to inject, and it is when colliding with patient's intestinal mucosa, can reduce the impact force, reduces the possibility that the patient received the injury.

Further, as shown in fig. 6 and 7, a guide wire fixing cap 6 is detachably disposed at the end of the injection tube 4, the guide wire fixing cap 6 is connected with a guide wire 7 which passes through the handle 1 and enters the catheter 2, the length of the guide wire 7 is the sum of the lengths of the handle 1 and the catheter 2, and the guide wire mainly has the function of increasing the hardness of the catheter body of the catheter, so that the catheter can be inserted into the forceps channel to smoothly reach the patient; because the hose needs to enter the body of the patient, when the hose is transplanted, if a hard tube is adopted, the hose can be greatly damaged when the hose touches the intestinal mucosa of the patient, the hose is transplanted in the embodiment, the hose is directly sent into the body from the endoscopic forceps channel, the hose can be accumulated in the endoscopic forceps channel and is not easy to control, the guide wire 7 is placed in the catheter 2, the guide wire 7 is made of materials with certain hardness such as steel wires, and the like, when the catheter 2 is sent into the body of the patient, the guide wire 7 can be used for controlling the movement of the catheter 2, so that the catheter 2 can more easily pass through the endoscopic forceps channel to enter the body, and the guide wire 7 is in the catheter 2, and can not directly contact with the body and can not cause damage to the body; wherein after the catheter 2 is delivered to the desired location, the guide wire fixing cap 6 is removed from the handle 1 and the guide wire 7 is removed from the catheter 2.

Further, please refer to fig. 8, an external thread is arranged at one end of the handle 1 connected with the guide wire fixing cap 6, the guide wire fixing cap 6 is connected with the handle 1 by a thread, and the guide wire 7 is fixed at the center of the guide wire fixing cap 6; with seal wire locking cap 6 and handle 1 through threaded connection for when sending into the human body with pipe 2, seal wire 7 is fixed more firm, and this kind of connected mode dismantles and the installation is all very convenient simultaneously, has reduced medical personnel's the operation degree of difficulty.

The handle 1 and the guide wire fixing cap 6 can be connected through screws or clamped.

Further, the length of the catheter 2 is 1700-2300mm, and the specific length can be adjusted according to the length of the endoscope of the matched enteroscope or gastroscope, so that the catheter and the endoscope can be matched better.

Further, the diameter of the conduit 2 is 2.5-3 mm; different sizes of the catheter 2 are selected according to the sizes of the endoscope clamping channels with different sizes, so that the catheter 2 can smoothly pass through the clamping channels and can be injected quickly, the time of suffering of a patient is shortened, and the burden of medical staff is relieved.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pipe is pushed in implantation of intestines and stomach mirror fecal bacteria, its characterized in that, including handle (1) of cavity setting and be used for pushing pipe (2) of fecal bacteria, handle (1) one end is provided with connecting portion (3) that are used for connecting pipe (2), handle (1) is kept away from pipe (2) one side and is provided with injection syringe (4) that are used for injecting the fecal bacteria.

2. A transgastrointestinal fecal bacteria transplant bolus catheter according to claim 1, wherein the end of the catheter (2) remote from the handle (1) is provided with a blunt opening (5).

3. The transgastrointestinal endoscopy fecal bacteria transplantation push injection catheter as claimed in claim 1, wherein a buffering head (8) is arranged at one end of the catheter (2) far away from the handle (1), the cross section of the buffering head (8) is elliptical, and a plurality of liquid outlets (9) are formed at the position of the catheter (2) close to the buffering head (8).

4. The transgastrointestinal fecal bacteria transplantation bolus catheter according to claim 1, wherein the catheter (2) is a plastic hose or a silicone tube.

5. A transgastrointestinal fecal bacteria transplantation push injection catheter according to claim 4, wherein a guide wire fixing cap (6) is detachably arranged at the end of the injection tube (4), the guide wire fixing cap (6) is connected with a guide wire (7) which passes through the handle (1) and enters the catheter (2), and the length of the guide wire (7) is consistent with the length of the catheter (2).

6. A transgastrointestinal endoscopy fecal bacteria transplantation push injection catheter as claimed in claim 5, wherein an external thread is arranged at one end of the handle (1) connected with the guide wire fixing cap (6), the guide wire fixing cap (6) is in threaded connection with the handle (1), and the guide wire (7) is fixed at the center of the guide wire fixing cap (6).

7. The transgastrointestinal fecal bacteria transplantation bolus catheter according to any of the claims 1-6, wherein the length of the catheter (2) is 1700-2300 mm.

8. A transgastrointestinal fecal bacteria transplant bolus catheter according to any of the claims 1-6, wherein the diameter of the catheter (2) is 2.5-3 mm.