Catheter for gastrointestinal tumor treatment
By introducing an inflatable balloon and a limiting column structure into the catheter, the problems of catheter bending and blockage are solved, enabling efficient drug delivery and fluid aspiration during the treatment of gastrointestinal tumors, reducing tissue damage and patient suffering.
Patent Information
- Application Number
- CN202422577372.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Catheters are prone to bending and blockage in the treatment of gastrointestinal tumors, which affects drug delivery and fluid aspiration, resulting in poor treatment outcomes.
A catheter for treating gastrointestinal tumors has been designed, comprising an inflatable balloon and a limiting post structure. The balloon provides support to prevent bending, and the limiting post prevents movement during storage. The delivery head and the aspiration head are designed in conical and hemispherical shapes to improve sealing and stability, and the aspiration holes are evenly distributed to prevent blockage.
It effectively prevents catheter bending and blockage, ensures smooth drug delivery and fluid aspiration, improves treatment efficiency, and reduces tissue damage and patient suffering.
Smart Images
Figure CN223516789U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, specifically point to a kind of catheter for gastrointestinal tumor treatment. BACKGROUND
[0002] Catheter is often used in the treatment of gastrointestinal tumor, mainly because catheter can accurately deliver drugs to tumor site, improve local drug concentration, enhance treatment effect and reduce side effects, and can also continuously administer drugs to meet the treatment needs of specific drugs; At the same time, it can extract effusion in gastrointestinal tract caused by tumor, relieve symptoms of patients and provide basis for diagnosis, in addition, it can also assist in expanding narrow part, placing stent and other treatment operations, and accurately find tumor position by using front end positioning device and guide other treatment instruments.
[0003] However, the current technology has some drawbacks. The main problem is that the catheter may be blocked and easily bent during use. Blockage of the pipeline can seriously affect the delivery of drugs and the extraction of effusion, resulting in that the treatment cannot be carried out smoothly. The pipeline is easy to bend, which may deform the catheter, hinder the flow of drugs and liquids, and also make the liquid extraction and drug delivery functions unable to function normally, thereby affecting the treatment effect, and even may delay the treatment of the patient's condition, causing greater pain and risk to the patient. UTILITY MODEL CONTENT
[0004] The utility model discloses a catheter for gastrointestinal tumor treatment which can prevent pipeline from being blocked and bent and has high working efficiency.
[0005] To solve the above technical problems, the utility model provides a technical scheme: a catheter for gastrointestinal tumor treatment, comprising a pipe body and a storage box, the inner wall of the pipe body is symmetrically provided with air bags, the upper end of the air bag is connected with the same inflation structure, a pipeline cavity is arranged between the two air bags, a drug delivery pipe and a liquid extraction pipe are arranged in the pipeline cavity, the lower end of the drug delivery pipe and the liquid extraction pipe is respectively provided with a detachable drug delivery head and a liquid extraction head, the drug delivery head and the liquid extraction head are respectively provided with a drug delivery port and a plurality of liquid extraction holes, the lower end of any air bag is connected with a miniature camera, the storage box comprises a box body and a box cover, a plurality of limiting columns matched with the pipe body are connected in the box body, the box cover is provided with a drug delivery device and a liquid extraction device which can be connected with the drug delivery pipe and the liquid extraction pipe respectively.
[0006] Further, the pipe body is a circular pipe, and the edges of the two ends of the pipe body are arc surfaces.
[0007] Based on the above features, this design enables the pipe body to contact the surrounding tissue more smoothly during insertion into the gastrointestinal tract and operation, reducing damage to the tissue and alleviating discomfort of the patient.
[0008] Further, the inflatable structure comprises a communication pipe, both ends of the communication pipe are connected with inflatable pipes, the two inflatable pipes are respectively fixed on the upper ends of the two air bags and communicate with the air bags, and an air inlet pipe is connected to the middle of the communication pipe.
[0009] Based on the above characteristics, this design allows two air bags to be inflated simultaneously by the same air source, simplifying the inflation process and making operation more convenient and efficient, which helps to improve work efficiency.
[0010] Further, the administration head and the liquid extraction head are respectively screwed to the lower ends of the administration pipe and the liquid extraction pipe, the administration head is conical, the lower end of the liquid extraction head is hemispherical, and the liquid extraction holes are uniformly arranged on the side wall and the end of the liquid extraction head.
[0011] Based on the above characteristics, the threaded connection has good sealing and stability, which can effectively prevent leakage during administration and liquid extraction, ensure that the drug can be accurately and efficiently delivered to the gastrointestinal tumor site and the stable removal of tumor effusion, and facilitate disassembly and installation, convenient for cleaning and replacing the administration head and the liquid extraction head, which is conducive to maintaining the patency of the catheter. The conical administration head and the hemispherical liquid extraction head are more smooth when inserted into the gastrointestinal tract, which can reduce the resistance to the gastrointestinal tissue and avoid unnecessary damage to the tissue. At the same time, it is also conducive to precise administration and liquid extraction. The uniformly distributed multiple liquid extraction holes increase the effective area of liquid extraction, which can more comprehensively and efficiently extract the liquid in the gastrointestinal tract and improve the efficiency of liquid extraction.
[0012] Further, the limiting columns are uniformly and regularly arranged in the box body, and the distance between the limiting columns in each row is matched with the outer diameter of the pipe body.
[0013] Based on the above characteristics, this design can stably fix the catheter in the storage box, avoid movement, rolling or mutual collision of the catheter during storage and transportation, and effectively prevent the catheter from being bent, deformed or damaged. At the same time, the orderly arrangement also facilitates medical staff to quickly and accurately take out and store the catheter, improving the convenience of operation.
[0014] Further, the box body and the box cover are hinged, a control panel for controlling the administration device and the liquid extractor is connected to the side wall of the box cover, and a storage battery is arranged on one side of the box body.
[0015] Based on the above characteristics, the hinge can avoid the separation of the box cover from the box body when the box cover is opened, facilitating quick opening and closing. The control device is integrated on the box cover, so that medical staff can accurately control the administration and liquid extraction process without leaving the storage box during operation, which is more convenient and improves work efficiency. The storage battery can provide independent power supply for the catheter, avoiding the influence of connecting wires on the operation of the catheter.
[0016] The utility model discloses compared with prior art has the advantages of: the setting of inflatable air bag, can be in the inside of pipe body and carry out stable support to pipe body, can provide support force when pipe body is bent, avoid pipe body excessive bending and lead to block and damage, and the air bag still can support administration pipe and liquid suction pipe, guarantee the smooth of administration and liquid suction process, the setting of the limiting post in storage box can guarantee the stability in the storage process of pipe body, avoid its movement or bending in the storage and storage process, liquid suction hole is provided with a plurality, can effectively avoid liquid suction passage block, be favorable to improve liquid suction efficiency, administration head and liquid suction head can be dismantled, convenient replacement, further avoid catheter block, guarantee the working efficiency of catheter. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the three-dimensional view of the pipe body part of the utility model Figure 1 ;
[0018] Figure 2 It is the three-dimensional view of the pipe body part of the utility model Figure 2 ;
[0019] Figure 3 It is the front view of the pipe body part of the utility model
[0020] Figure 4 It is the three-dimensional view of the storage box part of the utility model.
[0021] As shown in the figure: 1, pipe body, 2, air bag, 3, administration pipe, 4, liquid suction pipe, 5, administration head, 6, liquid suction head, 7, miniature camera, 8, box body, 9, lid, 10, limiting post, 11, administration device, 12, liquid suction device, 13, communication pipe, 14, inflation pipe, 15, air inlet pipe, 16, control panel, 17, battery. DETAILED DESCRIPTION
[0022] The utility model will be further explained in detail in connection with the drawings.
[0023] In connection with the drawings Figure 1 , the drawings Figure 3 , a gastrointestinal tumor treatment catheter, including pipe body 1 and storage box, the pipe body 1 is round pipe, and the pipe body 1 both ends edge is arc surface, this design makes pipe body 1 in inserting human gastrointestinal tract and operating process, can more smoothly contact with surrounding tissue, reduce the damage to tissue, reduce the patient's discomfort.
[0024] In connection with the drawings Figure 2The inner wall of the tube 1 is symmetrically provided with airbags 2. The upper end of each airbag 2 is connected to the same inflation structure. The inflation structure includes a connecting pipe 13. Both ends of the connecting pipe 13 are connected to inflation pipes 14. The two inflation pipes 14 are respectively fixed to the upper end of the two airbags 2 and connected to the airbags 2. The middle part of the connecting pipe 13 is connected to an air inlet pipe 15. This design allows the two airbags 2 to be inflated simultaneously through the same air inlet source, which simplifies the inflation process, makes the operation more convenient and faster, and helps to improve work efficiency.
[0025] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 3 A tubular cavity is provided between the two airbags 2, and a drug delivery tube 3 and a liquid extraction tube 4 are provided within the tubular cavity. The lower ends of the drug delivery tube 3 and the liquid extraction tube 4 are respectively provided with detachable drug delivery heads 5 and liquid extraction heads 6. Each drug delivery head 5 and liquid extraction head 6 has a drug delivery port and several liquid extraction holes. A miniature camera 7 is connected to the lower end of any one of the airbags 2. The drug delivery head 5 and the liquid extraction head 6 are threadedly connected to the lower ends of the drug delivery tube 3 and the liquid extraction tube 4, respectively. The drug delivery head 5 is conical, and the lower end of the liquid extraction head 6 is hemispherical. The liquid extraction holes are evenly distributed on the sidewall and end of the liquid extraction head 6. The threaded connection provides good sealing and stability for drug delivery and extraction. During the liquid extraction process, leakage can be effectively prevented, ensuring that the drug can be accurately and efficiently delivered to the gastrointestinal tumor site and that tumor fluid can be stably removed. It is also easy to disassemble and install, facilitating the cleaning and replacement of the drug delivery head 5 and the liquid extraction head 6, which helps to maintain the patency of the catheter. The conical drug delivery head 5 and the hemispherical liquid extraction head 6 are more smoothly inserted into the gastrointestinal tract, reducing resistance to gastrointestinal tissues and avoiding unnecessary damage to the tissues. At the same time, it is also conducive to precise drug delivery and liquid extraction. The evenly distributed multiple liquid extraction holes increase the effective area for liquid extraction, enabling more comprehensive and efficient extraction of fluid in the gastrointestinal tract and improving the efficiency of liquid extraction.
[0026] Combined with appendix Figure 4 The storage box includes a box body 8 and a box cover 9. The box cover 9 is equipped with a drug delivery device 11 and a liquid extraction device 12, which can be connected to the drug delivery tube 3 and the liquid extraction tube 4, respectively. The box body 8 and the box cover 9 are hinged together. A control panel 16 for controlling the drug delivery device 11 and the liquid extraction device 12 is connected to the side wall of the box cover 9. A battery 17 is located on one side of the box body 8. The hinged design prevents the box cover 9 from separating from the box body 8 when opened, facilitating quick and easy opening and closing. The control device is integrated into the box cover 9, allowing medical personnel to precisely control the drug delivery and liquid extraction processes without leaving the storage box, making operation more convenient and improving work efficiency. The battery 17 provides an independent power supply for the catheter, avoiding interference from connecting wires during catheter operation.
[0027] Combined with appendix Figure 4The limiting posts 10 are uniformly and regularly arranged in the box body 8, and the distance between the limiting posts 10 in each row is matched with the outer diameter of the pipe body 1. This design can stably fix the catheter in the storage box, avoids movement, rolling or mutual collision of the catheter in the storage and transportation process, and effectively prevents the catheter from being bent, deformed or damaged. Meanwhile, the regular arrangement mode also facilitates medical staff to quickly and accurately take out and store the catheter, and improves the operation convenience.
[0028] The specific implementation of the utility model: the pipe body 1 is taken out from the box body 8, the administration pipe 3 is connected with the administration device 11, the suction pipe 4 is connected with the suction device 12, the miniature camera 7 is connected with the battery 17, the air inlet pipe 15 is connected with the external inflation equipment, the external inflation equipment is used to inflate the air inlet pipe 15, the gas enters the air bag 2 through the communication pipe 13 and the inflation pipe 14, the air bag 2 is lifted up, the air bag 2 tightly presses the administration pipe 3 and the suction pipe 4, the pipe body 1 is inserted into the diseased part of the gastrointestinal tract of the patient, the air bag 2 supports the pipe body 1 in the process, avoids excessive bending of the pipe body 1 to cause blockage, the miniature camera 7 can monitor the position of the pipe body 1 in real time, ensures that the end of the pipe body 1 can smoothly reach the diseased part, if the diseased part needs to be administered, the administration pipe 3 is aligned with the diseased part, the administration device 11 is opened through the control panel 16, the administration is carried out through the administration pipe 3, finally the medicine flows out to the diseased part through the administration head 5, if the effusion in the diseased part needs to be extracted, the suction head 6 is aligned with the diseased part, the suction device 12 is opened through the control panel 16, and the effusion can be extracted through the suction head 6 and the suction pipe 4, after use, the pipe body 1 is taken out and placed between the limiting posts 10 in the box body 8, the limiting posts 10 limit and fix the pipe body 1, avoid displacement and deformation of the pipe body 1, and the blockage of the administration head 5 and the suction head 6 can be checked regularly and clean administration head 5 and suction head 6 are selected to replace.
[0029] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, for the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.
[0030] The utility model and its implementation have been described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the utility model, and the actual structure is not limited to this. In general, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the utility model, the similar structure mode and embodiment of the technical scheme are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. A catheter for treatment of gastrointestinal tumors, comprising a tube (1) and a storage box, characterized in that: The pipe body (1) is provided with air bags (2) on the inner wall symmetrically, the upper end of the air bag (2) is provided with the same inflation structure, the pipeline cavity is provided between the two air bags (2), the pipeline cavity is provided with a drug delivery tube (3) and a liquid suction tube (4), the lower end of the drug delivery tube (3) and the liquid suction tube (4) is respectively provided with a detachable drug delivery head (5) and a liquid suction head (6), the drug delivery head (5) and the liquid suction head (6) are respectively provided with a drug delivery port and a plurality of liquid suction holes, the lower end of any air bag (2) is connected with a miniature camera (7), the storage box comprises a box body (8) and a box cover (9), the box body (8) is connected with a plurality of limiting columns (10) matched with the pipe body (1), the box cover (9) is provided with a drug delivery device (11) and a liquid suction device (12) which can be connected with the drug delivery tube (3) and the liquid suction tube (4) respectively.
2. The catheter for treating a tumor of the gastrointestinal tract according to claim 1, wherein: The pipe body (1) is a circular pipe, and the edges of the two ends of the pipe body (1) are arc surfaces.
3. The catheter for treating gastrointestinal tumor according to claim 1, wherein: The inflation structure comprises a communication pipe (13), the two ends of the communication pipe (13) are connected with inflation pipes (14), the two inflation pipes (14) are respectively fixed on the upper ends of the two air bags (2) and communicate with the air bags (2), and the middle part of the communication pipe (13) is connected with an air inlet pipe (15).
4. The catheter for treatment of gastrointestinal tumor according to claim 1, wherein: The drug delivery head (5) and the liquid suction head (6) are respectively screwed with the lower end of the drug delivery tube (3) and the liquid suction tube (4), the drug delivery head (5) is conical, the lower end of the liquid suction head (6) is hemispherical, and the liquid suction holes are uniformly arranged on the side wall and the end of the liquid suction head (6).
5. The catheter for treatment of gastrointestinal tumor according to claim 1, wherein: The limiting columns (10) are uniformly and regularly arranged in the box body (8), and the distance between the limiting columns (10) in each row is matched with the outer diameter of the pipe body (1).
6. The catheter for treatment of gastrointestinal tumor according to claim 1, wherein: The box body (8) and the box cover (9) are hinged, the control panel (16) for controlling the drug delivery device (11) and the liquid suction device (12) is connected on the side wall of the box cover (9), and the box body (8) is provided with a storage battery (17) on one side.