CN117018399B - Ileus catheter with electromagnetic positioning guide - Google Patents
Ileus catheter with electromagnetic positioning guide Download PDFInfo
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- CN117018399B CN117018399B CN202311176954.3A CN202311176954A CN117018399B CN 117018399 B CN117018399 B CN 117018399B CN 202311176954 A CN202311176954 A CN 202311176954A CN 117018399 B CN117018399 B CN 117018399B
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- pipe
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- 208000008384 ileus Diseases 0.000 title claims description 15
- 238000005452 bending Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 208000003243 intestinal obstruction Diseases 0.000 claims abstract description 13
- 238000011010 flushing procedure Methods 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000005672 electromagnetic field Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 210000001331 nose Anatomy 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 210000003238 esophagus Anatomy 0.000 description 2
- 210000000936 intestine Anatomy 0.000 description 2
- 210000000813 small intestine Anatomy 0.000 description 2
- 206010033372 Pain and discomfort Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
- A61M25/10184—Means for controlling or monitoring inflation or deflation
- A61M25/10185—Valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
An electromagnetic positioning guide type intestinal obstruction catheter belongs to the technical field of intestinal obstruction catheters, and aims to solve the problems that the catheter is soft and cannot be guided freely, and the passing area is complex in structure, so that the catheter is stopped at a certain part in a body to be surrounded, and then cannot reach a designated position; according to the invention, the electromagnetic field is applied to the outside, the electromagnetic coil sensor continuously senses the surrounding electromagnetic field in the body, and then the electromagnetic field is fed back to medical staff, so that the position and the posture of the catheter can be obtained in time, when the bending device is required to be adjusted, the bending direction is firstly judged, after the bending direction is determined, the knob is rotated to drive the valve plate to slide in the sealing cavity, so that the size of the air bags on the outer side of the rotating seat is changed, one group of the air bags which are oppositely arranged is enlarged, the other group of the air bags is reduced, and the left side tube, the plurality of groups of bending tubes and the right side tube are bent in the direction of reducing the air bags, so that the convenient bending adjustment of the intestinal obstruction catheter is realized, and the operation is simple and convenient and the safety is high.
Description
Technical Field
The invention relates to the technical field of ileus catheters, in particular to an electromagnetic positioning guiding ileus catheter.
Background
Ileus catheters are a medical device used to treat or alleviate conditions of ileus. Ileus refers to the blockage of the intestinal lumen by internal or external factors in the intestine, which prevents food, liquids and gases from passing normally through the intestine, and ileus catheters are generally made of flexible tubular materials with a degree of flexibility and clarity, which are typically inserted through the mouth or nasal cavity, through the esophagus into the stomach, and then through the small intestine into the obstruction.
The intestinal obstruction conduit enters from the mouth or nose of a patient, finally reaches the obstruction part through esophagus, stomach and small intestine, is softer due to the complex structure of the intestinal obstruction passing region, and particularly, the conduit is easy to surround in stomach, namely, the conduit cannot be freely guided, so that the conduit is stopped at a certain part in the body to surround, further, the designated position cannot be reached, and finally drainage is blocked and pain and discomfort are increased.
To solve the above problems. For this purpose, a ileus catheter with electromagnetic positioning guidance is proposed.
Disclosure of Invention
The invention aims to provide an intestinal obstruction catheter with electromagnetic positioning guide, which solves the problems that the catheter is softer and cannot be guided freely in the background art, and the passing area has a complex structure, so that the catheter is stopped at a certain part in the body to surround and cannot reach a designated position.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an intestinal obstruction pipe with electromagnetic positioning direction, including pipe main part and setting up the bending device in pipe main part one end, the bending device is connected gradually by left side pipe, multiunit bending pipe and right side pipe and forms, wherein left side pipe is pegged graft in the distal end of pipe main part, rotate through rotary mechanism between left side pipe, multiunit bending pipe and the right side pipe, rotary mechanism is including rotating the seat, the seat comprises middle tubulose and the globular constitution at both ends, evenly distributed has four sets of first air pressure channel that transversely run through on the seat of rotating, evenly distributed has four sets of gas pockets that communicate with first air pressure channel on the outer wall of seat middle tubulose of rotating, evenly distributed has four sets of gasbags on the outer fringe of seat of rotating, and the gasbag is located between left side pipe, multiunit bending pipe and the right side pipe, and the gasbag communicates with first air pressure channel through the gas pocket;
four groups of connecting pipes are arranged between two adjacent groups of rotating seats, the connecting pipes are in butt joint with the first air pressure channel, a preset channel is arranged in the catheter main body, an air pressure pipe is arranged in the preset channel, second air pressure channels are uniformly distributed in the air pressure pipe, the second air pressure channels, the first air pressure channels, the air bags and the air holes can form an air pressure chamber with a closed distal end, a pressure regulating mechanism is arranged at the proximal end of the catheter main body, and the pressure regulating mechanism is connected with the air pressure pipe.
Further, the bending apparatus further comprises a sealing bellows provided at the edges between the left side tube, the plurality of sets of bending tubes and the right side tube.
Further, one ends of the left side tube and the curved tube and both ends of the right side tube are provided with rotating grooves corresponding to the spherical shape of the rotating seat.
Further, the middle of the air pressure pipe is provided with a second wire groove, the middle of the rotating seat is provided with a first wire groove, the far end of the bending pipe is provided with an electromagnetic coil sensor, a wire of the electromagnetic coil sensor penetrates through the first wire groove and the second wire groove and extends out from the near end of the catheter main body, and the other end of the wire is provided with a connector.
Further, the pressure regulating mechanism comprises a connecting cover and a handle arranged on one side of the connecting cover, the sealing cavities are arranged in the handle, two groups of sealing cavities are arranged in the handle, communicating pipes are arranged outside the handle, four groups of communicating pipes are arranged and are respectively communicated with two ends of the two groups of sealing cavities, and the other ends of the communicating pipes are respectively communicated with a second air pressure channel inside the air pressure pipe through the connecting cover.
Further, the pressure regulating mechanism further comprises a driving mechanism and a valve plate which are arranged in the handle, the driving mechanism and the valve plate are both provided with two groups, wherein the valve plate is in sliding connection with the inside of the sealing cavity, two groups of communicating pipes above the handle are respectively communicated with the upper and lower second air pressure channels inside the air pressure pipe, and two groups of communicating pipes below the handle are respectively communicated with the left and right second air pressure channels inside the air pressure pipe.
Further, the driving mechanism comprises a gear rotationally connected inside the handle, a knob is arranged outside the handle and fixedly connected with the gear through a shaft, the driving mechanism further comprises a rack which is slidably connected inside the handle, one end of the rack is fixedly connected with the valve plate, and the rack is meshed with the gear.
Further, the catheter body is a member made of polyurethane material, the diameter of the member is 4-7mm, and an aspiration channel, an irrigation channel and a contrast cavity are also arranged in the catheter body.
Further, an attraction hole and a flushing hole are arranged on the outer wall of the catheter main body, wherein the attraction hole is communicated with the attraction channel, the flushing hole is communicated with the flushing channel, and an attraction valve port and a flushing valve port corresponding to the attraction channel and the flushing channel are arranged at the proximal end of the catheter main body.
Further, a contrast balloon is arranged at the distal end of the catheter body, the contrast balloon is communicated with the contrast cavity, and a contrast valve port communicated with the contrast cavity is arranged at the proximal end of the catheter body.
Compared with the prior art, the invention has the beneficial effects that:
according to the intestinal obstruction catheter with electromagnetic positioning guide, the whole catheter stretches into the intestinal obstruction catheter from the mouth and nose of a patient, the electromagnetic field is applied to the outside, the electromagnetic coil sensor continuously senses the surrounding electromagnetic field in the body and feeds back the electromagnetic field to medical staff, so that the position and the posture of the intestinal obstruction catheter can be obtained in time, when the bending device needs to be adjusted, the bending direction is firstly judged, after the bending direction is determined, the knob is rotated to enable the valve plate to slide in the sealing cavity, the size of the air bag outside the rotating seat is further changed, one group of the air bags arranged oppositely is enlarged, the other group of the air bags is reduced, the left side pipe, the plurality of groups of the bending pipes and the right side pipe are bent in the direction that the air bags are reduced, the convenient bending adjustment of the intestinal obstruction catheter is realized through the rotation number of the control knob, and the operation is simple, convenient and high safety is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a split view of the overall structure of the present invention;
FIG. 3 is a schematic view of the catheter body structure of the present invention;
FIG. 4 is a cross-sectional view of the catheter body and air pressure tube structure of the present invention;
FIG. 5 is a schematic view of a bending apparatus according to the present invention;
FIG. 6 is a structural exploded view of the bending apparatus of the present invention;
FIG. 7 is a cross-sectional view of the left side tube, curved tube and right side tube construction of the present invention;
FIG. 8 is a schematic view of a rotating mechanism according to the present invention;
FIG. 9 is an exploded view of a portion of the structure of the rotary mechanism of the present invention;
fig. 10 is an exploded view of the structure of the pressure regulating mechanism of the present invention.
In the figure: 1. a catheter body; 11. presetting a channel; 12. a suction passage; 121. a suction hole; 122. sucking the valve port; 13. a flushing channel; 131. flushing the hole; 132. flushing the valve port; 14. a contrast chamber; 141. a contrast balloon; 142. a contrast valve port; 2. a bending device; 21. a left side tube; 22. bending the tube; 23. a right side tube; 231. a rotating groove; 24. sealing the corrugated pipe; 25. a rotating mechanism; 251. a rotating seat; 252. a first wire groove; 253. a first air pressure passage; 254. an air bag; 255. air holes; 256. a connecting pipe; 3. an air pressure pipe; 31. a second air pressure channel; 32. a second wire groove; 4. a pressure regulating mechanism; 41. a connection cover; 42. a handle; 421. sealing the cavity; 422. a communicating pipe; 43. a driving mechanism; 431. a gear; 432. a knob; 433. a rack; 44. a valve plate; 5. a solenoid sensor; 6. and (5) a connector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problems that the catheter is softer and cannot be guided freely, and the structure of the passing region is complex, so that the catheter is stopped at a certain part in the body to surround and cannot reach a designated position, as shown in fig. 1-10, the following preferable technical scheme is provided:
the utility model provides an intestinal obstruction catheter with electromagnetic positioning direction, including catheter main part 1 and set up the bending device 2 in catheter main part 1 one end, bending device 2 is connected gradually by left side pipe 21, multiunit bending pipe 22 and right side pipe 23 forms, wherein left side pipe 21 is pegged graft in catheter main part 1's distal end, rotate through rotary mechanism 25 between left side pipe 21, multiunit bending pipe 22 and the right side pipe 23 and connect, rotary mechanism 25 includes rotation seat 251 and four sets of air bags 254 evenly distributed in rotation seat 251 outer fringe, rotation seat 251 comprises middle tubulose and both ends globular, evenly distributed has four sets of transversely run through first air pressure channel 253 on the rotation seat 251 middle tubulose outer wall evenly distributed with first air pressure channel 253 and air pocket 255 that air bag 254 communicates, air bag 254 is located between left side pipe 21, multiunit bending pipe 22 and the right side pipe 23;
four groups of connecting pipes 256 are arranged between two adjacent groups of rotating seats 251, the connecting pipes 256 are in butt joint with the first air pressure channels 253, a preset channel 11 is arranged in the catheter main body 1, air pressure pipes 3 are arranged in the preset channel 11, second air pressure channels 31 are uniformly distributed in the air pressure pipes 3, the second air pressure channels 31, the first air pressure channels 253, the air bags 254 and the air holes 255 can form an air pressure chamber with a closed far end, a pressure regulating mechanism 4 is arranged at the proximal end of the catheter main body 1, and the pressure regulating mechanism 4 is connected with the air pressure pipes 3; the negative pressure state of the air pressure chamber can be changed by the pressure adjusting mechanism 4 and the air pressure tube 3, the expansion of the air bag 254 can be changed, and the left side tube 21, the plurality of groups of bending tubes 22 and the right side tube 23 can be bent in one direction.
The bending apparatus 2 further includes a seal bellows 24 provided at the edges between the left side tube 21, the plurality of sets of bending tubes 22 and the right side tube 23, and the seal bellows 24 is made of silica gel, which can provide good sealability and flexibility.
One ends of the left side tube 21 and the bent tube 22 and both ends of the right side tube 23 are provided with rotation grooves 231 corresponding to the spherical shape of the rotation seat 251, and the rotation seat 251 realizes the rotational connection between the left side tube 21, the plurality of groups of the bent tubes 22 and the right side tube 23 through the rotation grooves 231.
The middle of the air pressure pipe 3 is provided with a second wire groove 32, the middle of the rotating seat 251 is provided with a first wire groove 252, the far end of the bending pipe 22 is provided with an electromagnetic coil sensor 5, a wire of the electromagnetic coil sensor 5 passes through the first wire groove 252 and the second wire groove 32 and extends out from the near end of the catheter main body 1, the other end of the wire is provided with a connector 6, the electromagnetic coil sensor 5 continuously senses the surrounding electromagnetic field in the body through applying an electromagnetic field outside, and data is transmitted to a computer system for processing through the wire and the connector 6, so that the position and the gesture of the catheter main body 1 can be timely obtained.
The pressure regulating mechanism 4 comprises a connecting cover 41 and a handle 42 arranged on one side of the connecting cover 41, a sealing cavity 421 is arranged in the handle 42, two groups of communicating pipes 422 are arranged outside the handle 42, the communicating pipes 422 are provided with four groups of communicating pipes which are respectively communicated with two ends of the two groups of sealing cavities 421, the other ends of the communicating pipes 422 are respectively communicated with a second air pressure channel 31 inside the air pressure tube 3 through the connecting cover 41, the pressure regulating mechanism 4 further comprises a driving mechanism 43 and a valve plate 44 which are arranged in the handle 42, the driving mechanism 43 and the valve plate 44 are respectively provided with two groups, the valve plate 44 is slidably connected inside the sealing cavities 421, the two groups of communicating pipes 422 above the handle 42 are respectively communicated with the second air pressure channels 31 above and below the air pressure tube 3, the communicating pipes 422 of the two groups below the handle 42 are respectively communicated with the second air pressure channels 31 inside the air pressure tube 3, and the air bags 254 which are arranged oppositely can be respectively expanded and contracted through sliding of the valve plate 44, so that the bending direction and the bending degree of the bending device 2 can be changed.
The driving mechanism 43 comprises a gear 431 rotatably connected inside the handle 42, a knob 432 is arranged outside the handle 42, the knob 432 is fixedly connected with the gear 431 through a shaft, the driving mechanism 43 further comprises a rack 433 slidably connected inside the handle 42, one end of the rack 433 is fixedly connected with the valve plate 44, the rack 433 is meshed with the gear 431, the movement direction of the valve plate 44 can be changed through external rotation of the knob 432, and different rotation turns and different rotation directions of the two groups of knobs 432 can finally enable the bending device 2 to bend to different degrees and bending angles.
The catheter body 1 is a member made of polyurethane material, the diameter of the member is 4-7mm, an attracting channel 12, a flushing channel 13 and a contrast cavity 14 are further arranged in the catheter body 1, an attracting hole 121 and a flushing hole 131 are arranged on the outer wall of the catheter body 1, the attracting hole 121 is communicated with the attracting channel 12, the flushing hole 131 is communicated with the flushing channel 13, an attracting valve port 122 and a flushing valve port 132 corresponding to the attracting channel 12 and the flushing channel 13 are arranged at the proximal end of the catheter body 1, a contrast balloon 141 is arranged at the distal end of the catheter body 1, the contrast balloon 141 is communicated with the contrast cavity 14, and a contrast valve port 142 communicated with the contrast cavity 14 is arranged at the proximal end of the catheter body 1.
Specifically, the whole catheter stretches into the mouth and nose of the patient, the electromagnetic field is applied to the outside, the electromagnetic coil sensor 5 continuously senses the surrounding electromagnetic field in the body, and then the electromagnetic field is fed back to medical staff, so that the position and the posture of the catheter can be obtained in time, when the bending device 2 needs to be adjusted, the bending direction is firstly judged, after the bending direction is determined, the rotating knob 432 is rotated to enable the valve plate 44 to slide in the sealing cavity 421, the size of the air bag 254 outside the rotating seat 251 is further changed, one group of the air bags 254 which are oppositely arranged is enlarged, the other group of the air bags is reduced, and then the left side tube 21, the plurality of groups of the bending tubes 22 and the right side tube 23 are bent in the direction that the air bag 254 is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (7)
1. The utility model provides an intestinal obstruction pipe with electromagnetic positioning direction, includes pipe main part (1) and sets up bending device (2) in pipe main part (1) one end, its characterized in that: the bending device (2) is formed by sequentially connecting a left pipe (21), a plurality of groups of bending pipes (22) and a right pipe (23), wherein the left pipe (21) is inserted into the far end of the catheter main body (1), the left pipe (21), the plurality of groups of bending pipes (22) and the right pipe (23) are rotationally connected through a rotating mechanism (25), the rotating mechanism (25) comprises a rotating seat (251), the rotating seat (251) consists of a middle pipe shape and a spherical shape at two ends, four groups of first air pressure channels (253) which transversely penetrate are uniformly distributed on the rotating seat (251), four groups of air holes (255) which are communicated with the first air pressure channels (253) are uniformly distributed on the outer wall of the middle pipe shape of the rotating seat (251), four groups of air bags (254) are uniformly distributed on the outer edge of the rotating seat (251), and the air bags (254) are positioned among the left pipe (21), the plurality of groups of bending pipes (22) and the right pipe (23), and the air bags (254) are communicated with the first air pressure channels (253) through the air holes (255);
four groups of connecting pipes (256) are arranged between two adjacent groups of rotating seats (251), the connecting pipes (256) are in butt joint with the first air pressure channel (253), a preset channel (11) is arranged in the catheter main body (1), an air pressure pipe (3) is arranged in the preset channel (11), second air pressure channels (31) are uniformly distributed in the air pressure pipe (3), the second air pressure channels (31), the first air pressure channel (253), the air bags (254) and the air holes (255) can form an air pressure chamber with a closed far end, a pressure regulating mechanism (4) is arranged at the near end of the catheter main body (1), and the pressure regulating mechanism (4) is connected with the air pressure pipe (3);
the pressure regulating mechanism (4) comprises a connecting cover (41) and a handle (42) arranged on one side of the connecting cover (41), a sealing cavity (421) is formed in the handle (42), two groups of communicating pipes (422) are arranged outside the handle (42), four groups of communicating pipes (422) are respectively communicated with two ends of the two groups of sealing cavities (421), and the other ends of the communicating pipes (422) are respectively communicated with a second air pressure channel (31) inside the air pressure pipe (3) through the connecting cover (41);
the pressure regulating mechanism (4) further comprises a driving mechanism (43) and a valve plate (44) which are arranged in the handle (42), wherein the driving mechanism (43) and the valve plate (44) are respectively provided with two groups, the valve plate (44) is slidably connected in the sealed cavity (421), two groups of communicating pipes (422) above the handle (42) are respectively communicated with the upper and lower second air pressure channels (31) in the air pressure pipe (3), and the communicating pipes (422) below the handle (42) are respectively communicated with the left and right second air pressure channels (31) in the air pressure pipe (3);
the driving mechanism (43) comprises a gear (431) which is rotationally connected inside the handle (42), a knob (432) is arranged outside the handle (42), the knob (432) is fixedly connected with the gear (431) through a shaft, the driving mechanism (43) further comprises a rack (433) which is slidingly connected inside the handle (42), one end of the rack (433) is fixedly connected with the valve plate (44), and the rack (433) is meshed and connected with the gear (431).
2. The ileus catheter with electromagnetic positioning guidance of claim 1, wherein: the bending device (2) further comprises sealing bellows (24) arranged at the edges between the left side tube (21), the plurality of groups of bending tubes (22) and the right side tube (23).
3. The ileus catheter with electromagnetic positioning guidance of claim 1, wherein: one end of the left tube (21) and the bent tube (22) and both ends of the right tube (23) are provided with rotating grooves (231) corresponding to the spherical shape of the rotating seat (251).
4. The ileus catheter with electromagnetic positioning guidance of claim 1, wherein: the middle of pneumatic tube (3) is provided with second metallic channel (32), and the centre of rotating seat (251) is provided with first metallic channel (252), and electromagnetic coil sensor (5) are installed to the distal end of crooked pipe (22), and the wire of electromagnetic coil sensor (5) passes first metallic channel (252) and second metallic channel (32) and extends from the proximal end of pipe main part (1), and connector (6) are installed to the other end of wire.
5. The ileus catheter with electromagnetic positioning guidance of claim 1, wherein: the catheter main body (1) is a member made of polyurethane material, the diameter of the member is 4-7mm, and an aspiration channel (12), a flushing channel (13) and a contrast cavity (14) are also arranged in the catheter main body (1).
6. An ileus catheter with electromagnetic positioning guidance according to claim 5, wherein: an attraction hole (121) and a flushing hole (131) are formed in the outer wall of the catheter main body (1), the attraction hole (121) is communicated with the attraction channel (12), the flushing hole (131) is communicated with the flushing channel (13), and an attraction valve port (122) and a flushing valve port (132) corresponding to the attraction channel (12) and the flushing channel (13) are formed in the proximal end of the catheter main body (1).
7. The ileus catheter with electromagnetic positioning guidance of claim 1, wherein: a contrast balloon (141) is arranged at the far end of the catheter main body (1), the contrast balloon (141) is communicated with the contrast cavity (14), and a contrast valve port (142) communicated with the contrast cavity (14) is arranged at the near end of the catheter main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311176954.3A CN117018399B (en) | 2023-09-13 | 2023-09-13 | Ileus catheter with electromagnetic positioning guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311176954.3A CN117018399B (en) | 2023-09-13 | 2023-09-13 | Ileus catheter with electromagnetic positioning guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117018399A CN117018399A (en) | 2023-11-10 |
| CN117018399B true CN117018399B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311176954.3A Active CN117018399B (en) | 2023-09-13 | 2023-09-13 | Ileus catheter with electromagnetic positioning guide |
Country Status (1)
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| CN (1) | CN117018399B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118384397B (en) * | 2024-04-26 | 2024-11-26 | 北京林韵科技有限公司 | An intestinal obstruction catheter assembly with electromagnetic positioning function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009086512A2 (en) * | 2007-12-28 | 2009-07-09 | Boston Endoscopic Engineering Corp. | Exchangeable guide-wire with balloon for foreign body extraction |
| CN101642601A (en) * | 2008-08-08 | 2010-02-10 | 库利艾特梅迪克株式会社 | Pipe |
| CN104825118A (en) * | 2015-05-08 | 2015-08-12 | 南京微创医学科技有限公司 | Balloon catheter applied to OCT (optical coherence tomography) endoscopic scanning imaging, use method and OCT imaging system |
| CN111135432A (en) * | 2020-01-19 | 2020-05-12 | 汪子文 | Telescopic peristaltic multi-balloon colon retrograde gas-liquid dual-radiography catheter device |
| CN215133645U (en) * | 2020-12-24 | 2021-12-14 | 大连库利艾特医疗制品有限公司 | An adjustable direction of the digestive system catheter through the pylorus device |
Family Cites Families (1)
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| US9901722B2 (en) * | 2014-06-01 | 2018-02-27 | White Swell Medical Ltd | System and method for treatment of pulmonary edema |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009086512A2 (en) * | 2007-12-28 | 2009-07-09 | Boston Endoscopic Engineering Corp. | Exchangeable guide-wire with balloon for foreign body extraction |
| CN101642601A (en) * | 2008-08-08 | 2010-02-10 | 库利艾特梅迪克株式会社 | Pipe |
| CN104825118A (en) * | 2015-05-08 | 2015-08-12 | 南京微创医学科技有限公司 | Balloon catheter applied to OCT (optical coherence tomography) endoscopic scanning imaging, use method and OCT imaging system |
| CN111135432A (en) * | 2020-01-19 | 2020-05-12 | 汪子文 | Telescopic peristaltic multi-balloon colon retrograde gas-liquid dual-radiography catheter device |
| CN215133645U (en) * | 2020-12-24 | 2021-12-14 | 大连库利艾特医疗制品有限公司 | An adjustable direction of the digestive system catheter through the pylorus device |
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| CN117018399A (en) | 2023-11-10 |
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