CN215608679U - Biliary tract three-cavity balloon photography catheter system - Google Patents
Biliary tract three-cavity balloon photography catheter system Download PDFInfo
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- CN215608679U CN215608679U CN202121863498.6U CN202121863498U CN215608679U CN 215608679 U CN215608679 U CN 215608679U CN 202121863498 U CN202121863498 U CN 202121863498U CN 215608679 U CN215608679 U CN 215608679U
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Abstract
The utility model discloses a biliary tract three-cavity balloon photography catheter system, which comprises a balloon catheter body, wherein the head end of the balloon catheter body is provided with a camera module, and the front part of the balloon catheter body is provided with a balloon; the balloon catheter body is internally provided with three cavity channels which respectively form a photographing cavity channel, a guide wire cavity channel and a gas injection cavity channel, a cable penetrates through the photographing cavity channel, the head end of the cable penetrates out from the head end of the photographing cavity channel, the tail end of the cable penetrates out from the tail end of the photographing cavity channel, the head end of the cable is connected with a camera module, the tail end of the cable is connected with a developing device, and the cable and the head end of the photographing cavity channel are subjected to sealing treatment; the tail end of the balloon catheter body is respectively provided with a guide wire insertion opening, an air injection opening and a cable outlet. The imaging system can be used for observing the inner surface structure of the biliary tract cavity and the size and the position of the calculus, and is beneficial to accurate diagnosis and operation operations such as taking out the calculus through the saccule and cleaning the biliary tract under direct vision, so that the missed diagnosis rate is reduced, the operation success rate is improved, and the X-ray radiation dose passively received by an operator and a patient can be reduced.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a biliary tract three-cavity balloon photography catheter system.
Background
Endoscopic Retrograde Cholangiography (ERCP) refers to a technique in which a duodenoscope is inserted into the descending part of the duodenum, a contrast catheter is inserted into the biliary tract through a biopsy channel, and a contrast medium is injected into the biliary tract, and then X-ray fluoroscopy/radiography is performed to display the biliary tract morphology, which is an important diagnosis and treatment means for biliary pancreatic diseases.
In the ERCP operation, the existing balloon catheter for removing the stones from the biliary tract is generally inserted into the biliary tract under the guidance of a guide wire, and the position and the size of the stones are judged under the X-ray fluoroscopy by injecting a contrast agent. The method has the following defects: the structure of the biliary tract mucosa and the size and the position of the calculus can not be observed directly in the diagnosis process, the examination and calculus removal can only be observed indirectly through X-ray fluoroscopy, and higher missed diagnosis and misdiagnosis rate exist. There are also situations where the operator and the patient are passively subjected to X-ray radiation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a biliary tract three-cavity balloon photography catheter system, and aims to solve the technical problem.
Therefore, the utility model adopts the following technical scheme:
a biliary tract three-cavity balloon photography catheter system comprises a balloon catheter body, wherein a balloon is arranged at the front part of the balloon catheter body; the balloon catheter body is internally provided with three cavity channels which respectively form a photographing cavity channel, a guide wire cavity channel and a gas injection cavity channel, the photographing cavity channel and the guide wire cavity channel penetrate through the head end of the balloon catheter body, the head end of the gas injection cavity channel is closed, and a through hole communicated with a balloon is arranged in the cavity channel;
a cable penetrates through the photographing cavity, the head end of the cable penetrates out from the head end of the photographing cavity, the tail end of the cable penetrates out from the tail end of the photographing cavity, the head end of the cable is connected with a camera module, the tail end of the cable is connected with a developing device, and the cable and the head end of the photographing cavity are subjected to sealing treatment;
the tail end of the balloon catheter body is provided with a guide wire insertion opening, a gas injection opening and a cable outlet respectively.
Further, the diameter of the balloon catheter body is 2.2-2.8 mm.
Furthermore, the diameter of the photographic cavity is less than or equal to 0.8mm, the diameter of the guide wire cavity is greater than or equal to 1.0mm, and the diameter of the gas injection cavity is less than or equal to 0.6 mm.
Further, the module of making a video recording is including the miniature camera head, imaging sensor and the PCBA board that connect gradually the electricity to and the LED lamp pearl of laying around the miniature camera head.
Furthermore, the camera module is embedded into the plastic or metal tubular protective head, and the tail end of the protective head is subjected to circular arc treatment.
Further, the display device is a display, a tablet computer, a mobile phone or a projector.
The utility model has the beneficial effects that: the imaging system can directly observe the surface structure of the mucosa in the biliary tract cavity and the size and the position of the calculus, provide visual images for doctors, and is beneficial to accurate diagnosis and operation operations such as taking out the calculus by a saccule under direct vision and cleaning the biliary tract, so that the diagnosis missing rate is reduced, the operation success rate is improved, and the X-ray radiation dose passively received by an operator and a patient can be reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the forward end of the balloon catheter body of the present invention;
FIG. 3 is a cross-sectional view of the balloon catheter body of the present invention;
in the figure: 1-balloon catheter body, 11-photography lumen, 12-guide wire lumen, 13-gas injection lumen, 2-joint, 21-guide wire insertion port, 22-cable outlet, 23-gas injection port, 3-cable, 31-micro camera, 32-LED lamp bead, 33-tubular head protector, 4-guide wire, 5-balloon and 6-hook ring.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 and 2, a biliary tract three-lumen balloon photography catheter system comprises a balloon catheter body 1, wherein three lumens are arranged in the balloon catheter body 1, and the three lumens respectively form a photography lumen 11, a guide wire lumen 12 and a gas injection lumen 13. The balloon catheter body 1 is a Teflon multi-cavity tube, and the diameter of the balloon catheter body 1 is about 2.2-2.8 mm. The diameter of the photographic cavity 11 is less than or equal to 0.8mm, the diameter of the guide wire cavity 12 is more than or equal to 1.0mm, and the diameter of the gas injection cavity 13 is less than or equal to 0.6 mm. The tail of the gas injection cavity 13 is connected with a stop valve, the tail end of the guide wire cavity 12 is connected with a dustproof rubber plug, and the rubber plug is taken down when a guide wire is penetrated.
The shooting cavity channel 11 and the guide wire cavity channel 12 penetrate through the head end of the balloon catheter body 1, the head end of the gas injection cavity channel 13 is closed, a through hole is formed in the front end of the balloon catheter body 1 and is communicated with the gas injection cavity channel and the inner cavity of the balloon 5, and air enters and exits the inner cavity of the balloon through the through hole. The material and the manufacturing process of the balloon are the same as those of the existing stone removal balloon.
Wear to be equipped with cable 3 in the photographic chamber way 11, the head end of cable 3 is worn out by the head end of photographic chamber way 11, the tail end of cable 3 is worn out by the tail end of photographic chamber way 11, and the 3 head ends of cable are connected with the module of making a video recording, and 3 end connection of cable has the image display device, and sealed processing between the head end of cable 3 and photographic chamber way 11 prevents that liquid from getting into in the photographic chamber way 11. The module of making a video recording is including miniature camera 31, image sensor and PCBA board that connects gradually the electricity to and around the LED lamp pearl 32 that miniature camera 31 laid, make a video recording the module and imbed in plastics or metal tubulose and protect head 33, protect the first tail end of head all through the circular arc processing. The display device can be selected from a display, a tablet computer, a mobile phone or a projector. One side of the tubular head protector 33 is provided with a hook ring 6, and the guide wire 4 can be arranged in the hook ring 6 in a penetrating way, so that the guide wire can guide the tubular head protector 33 to move synchronously.
The tail end of the balloon catheter body 1 is connected with a connector 2, three cavities are arranged in the connector 2 and respectively correspond to a photographing cavity 11, a guide wire cavity 12 and a gas injection cavity 13, the three cavities in the connector 2 extend outwards to form three interfaces, and the three interfaces are a guide wire insertion opening 21, a gas injection opening 23 and a cable outlet 22.
The using method of the utility model is as follows:
during the use, the head end of a biliary tract three-cavity saccule photography catheter system is guided into the biliary tract by the guide wire which is already put into the biliary tract through the early ERCP operation, the camera shooting function is started, the biliary tract mucosa structure, the calculus and the like are photographed and observed, after the calculus is found, the head end of the saccule catheter is inserted into the calculus far end, then the air injection expansion air bag is injected through the air injection port 23, the biliary tract lumen is fully occupied, the air bag is slowly drawn and pulled under the camera shooting monitoring, the calculus is taken out from the biliary duct, or the biliary duct cavity is cleaned in the whole process, and the bile duct calculus is completely cleaned without residue. If necessary, the guide wire can be withdrawn, and contrast agent is injected through the guide wire hole to perform reexamination under X-ray fluoroscopy, or water is injected to flush the bile duct cavity.
It should be noted that the above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. A biliary tract three-cavity balloon photography catheter system is characterized by comprising a balloon catheter body, wherein the front part of the balloon catheter body is provided with a balloon; the balloon catheter body is internally provided with three cavity channels which respectively form a photographing cavity channel, a guide wire cavity channel and a gas injection cavity channel, the photographing cavity channel and the guide wire cavity channel penetrate through the head end of the balloon catheter body, the head end of the gas injection cavity channel is closed, and a through hole communicated with a balloon is arranged in the cavity channel;
a cable penetrates through the photographing cavity, the head end of the cable penetrates out from the head end of the photographing cavity, the tail end of the cable penetrates out from the tail end of the photographing cavity, the head end of the cable is connected with a camera module, the tail end of the cable is connected with a developing device, and the cable and the head end of the photographing cavity are subjected to sealing treatment;
the tail end of the balloon catheter body is provided with a guide wire insertion opening, a gas injection opening and a cable outlet respectively.
2. The biliary tract three-lumen balloon photography catheter system according to claim 1, wherein the balloon catheter body has a diameter of 2.2-2.8 mm.
3. The biliary tract three-cavity balloon photography catheter system according to claim 2, wherein the diameter of the photography cavity is no greater than 0.8mm, the diameter of the guide wire cavity is no less than 1.0mm, and the diameter of the gas injection cavity is no greater than 0.6 mm.
4. The biliary tract three-cavity balloon photography catheter system according to claim 1, wherein the camera module comprises a micro camera, an imaging sensor and a PCBA board which are electrically connected in sequence, and LED lamp beads arranged around the micro camera.
5. The biliary tract three-cavity balloon photography catheter system according to claim 4, wherein the camera module is embedded in a tubular head protector, and a head end of the head protector is processed by an arc.
6. The biliary tract three-lumen balloon photography catheter system according to claim 1, wherein the imaging device is a display, a tablet computer, a mobile phone or a projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863498.6U CN215608679U (en) | 2021-08-11 | 2021-08-11 | Biliary tract three-cavity balloon photography catheter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863498.6U CN215608679U (en) | 2021-08-11 | 2021-08-11 | Biliary tract three-cavity balloon photography catheter system |
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| Publication Number | Publication Date |
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| CN215608679U true CN215608679U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121863498.6U Active CN215608679U (en) | 2021-08-11 | 2021-08-11 | Biliary tract three-cavity balloon photography catheter system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040063A (en) * | 2022-06-10 | 2022-09-13 | 兰州大学第二医院 | Biliary tract photography catheter system and use method |
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2021
- 2021-08-11 CN CN202121863498.6U patent/CN215608679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040063A (en) * | 2022-06-10 | 2022-09-13 | 兰州大学第二医院 | Biliary tract photography catheter system and use method |
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