CN215227416U

CN215227416U - Multi-channel choledochoscope

Info

Publication number: CN215227416U
Application number: CN202121276982.9U
Authority: CN
Inventors: 吴培生; 罗永香; 周佳鹏
Original assignee: First People's Hospital Of Qinzhou
Current assignee: First People's Hospital Of Qinzhou
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-12-21
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a multichannel choledochoscope, which comprises a choledochoscope body and a main body which are connected in front and back, wherein the choledochoscope body is internally provided with an operation channel, an imaging channel and a light source channel which are parallel to each other, and the main body is provided with an operation end, an imaging output end and a light source input end which are respectively communicated with the operation channel, the imaging channel and the light source channel; still be equipped with the interlayer that separates operation passageway and imaging channel, light source passageway in the mirror body, the space that mirror body interlayer and operation passageway wall enclose is inhalant canal, still be equipped with the end of intaking with inhalant canal intercommunication in the main part, with the play water end of operation passageway intercommunication. The utility model discloses mirror body access structure has fused the advantage of current stereoplasm cholangioscope and sheath pipe of skinning, can increase business turn over water passageway diameter, has effectively solved the little exit blockage, the abdominal cavity that leads to because of business turn over water volume and has spilled over the scheduling problem among the prior art.

Description

Multi-channel choledochoscope

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, concretely relates to multichannel stereoplasm choledochoscope.

Background

The hard choledochoscope body is made of hard materials, has good controllability and is divided into a straight pen type and a front end bending type, and the hard choledochoscope with the front end bending type is easier to enter a common bile duct and an intrahepatic bile duct for relevant lithotomy treatment, for example, the invention patent with the application number of CN 201110062424.7. However, the existing hard choledochoscope has a small body, so that the height of the camera shooting, the light source, the water inlet and outlet channel and the operation channel is concentrated, and the water inlet and outlet channel which are independent of each other is only 1 mm. The water inlet channel and the water outlet channel are fine, so that the water circulation rate is slow in actual operation, the water outlet channel is easily blocked by fine gravels or foreign matters, and the aim of timely discharging the gravels and liquid out of the body cannot be fulfilled; in addition, when probing and lithotripsy operation is performed through the incision of the common bile duct, a large amount of liquid, the lithotripsy and purulent substances may overflow from the incision of the bile duct into the abdominal cavity, so that abdominal cavity pollution, abdominal abscess formation and serious consequences of sepsis can be caused. Therefore, the hard choledochoscope is usually operated by matching with a peeling sheath, and water and gravels are removed through the gap between the peeling sheath and the hard choledochoscope, but the operation of the mode is more complicated, and the problem of low water circulation rate caused by small water inflow cannot be fundamentally solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a take multichannel stereoplasm art internal choledochoscope of vacuum aspiration, mirror body access structure have fused current stereoplasm choledochoscope and the advantage of the sheath pipe of skinning, can increase business turn over water passageway diameter, have effectively solved among the prior art because of the little export jam, the abdominal cavity that leads to of business turn over water volume spills over the scheduling problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the multichannel choledochoscope comprises a choledochoscope body and a main body which are connected in front and back, wherein an operation channel, an imaging channel and a light source channel which are parallel to each other are arranged in the choledochoscope body, and the main body is provided with an operation end, an imaging output end and a light source input end which are respectively communicated with the operation channel, the imaging channel and the light source channel; still be equipped with the interlayer that separates operation passageway and imaging channel, light source passageway in the mirror body, the space that mirror body interlayer and operation passageway wall enclose is inhalant canal, still be equipped with the end of intaking with inhalant canal intercommunication in the main part, with the play water end of operation passageway intercommunication.

Preferably, the front end of the endoscope body is provided with a bendable part.

Preferably, the water outlet end is connected with a negative pressure suction device.

Preferably, the imaging output end is provided with an operating ring.

Preferably, the number of the light source channels is two, and the light source channels are distributed on two sides of the imaging channel.

Preferably, the diameter of the opening of the operation end is smaller than that of the opening of the water outlet end.

Preferably, the operating end is terminated by an elastic rubber section.

Compared with the prior art, the utility model discloses an advantage and effect are:

1. the water inlet channel is a double channel, compared with the prior choledochoscope, the aperture is obviously increased, the problem of insufficient circulating water caused by small water inlet channel is solved, and sufficient power is provided for accelerating the stone extraction rate while the visual field definition is ensured;

2. the water outlet channel and the operation channel are the same channel, on the basis of keeping mutual independence of the water inlet channel and the water outlet channel, the inner diameter of the water outlet channel is increased, the diameter of the opening of the operation end is smaller than that of the opening of the water outlet end, the water outlet end is externally connected with a negative pressure suction device, the channel can be kept in a negative pressure state, stones can be adsorbed more easily, the circulating water speed and the broken stone discharge efficiency can be increased, not only can the operation be prevented from being influenced by outflow of liquid from the operation port, but also the problems that foreign matters of broken stones are easy to block and the liquid enters the abdominal cavity to be polluted due to over-small water outlet channel can be effectively solved;

3. the tail end of the operation end is provided with an elastic rubber section, and an operator can control the size of the gap of the operation hole to adjust the size of negative pressure in the channel, so that the circulating water rate is controlled, and the water pressure in the bile duct can be controlled to reduce sepsis blood caused by overhigh pressure of the bile duct and bacteria entering blood.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the mirror body in the embodiment of fig. 1.

And (3) identifying the figure number: 1. a lens body; 11. an operation channel; 12. an imaging channel; 13. a light source channel; 14. a water inlet channel; 15. an interlayer; 2. a main body; 21. an operation end; 22. an imaging output end; 23. a light source input end; 24. a water inlet end; 25. a water outlet end; 26. and (6) operating the ring.

Detailed Description

The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.

The multichannel choledochoscope described in this embodiment, as shown in fig. 1, includes a body 1 and a main body 2 connected in front and back, and a bendable portion is provided at the front end of the body 1 to facilitate introduction of irregular branches of intrahepatic bile ducts and common bile ducts.

As shown in fig. 2, an operation channel 11, an imaging channel 12 and a light source channel 13 which are parallel to each other are arranged in the lens body 1, and the two light source channels 13 are distributed on two sides of the imaging channel 12 to ensure the sufficiency of the light source; the interlayer 15 separates the operation channel 11 from the imaging channel 12 and the light source channel 13 up and down, and the space on two sides enclosed by the outer wall of the operation channel 11 and the interlayer 15 is a water inlet channel 14.

As shown in fig. 1, the main body 2 is provided with an imaging output end 22 communicated with the imaging channel 12, a light source input end 23 communicated with the light source channel 13, and a water inlet end 24 communicated with the water inlet channel 14, the operation end 21 and the water outlet end 25 are both communicated with the operation channel 11, and the operation channel 11 is an instrument operation channel and a water outlet channel. The water outlet end 25 is connected with a negative pressure suction device, and the opening diameter of the operation end 21 is smaller than that of the water outlet end 25, so that the inside of the channel is kept in a negative pressure state; and the tail end of the operation end 21 is an elastic rubber section, and an operator can control the size of the gap of the operation hole to adjust the size of the negative pressure in the channel.

As shown in fig. 1, the imaging output end 22 is further provided with an operation ring 26, and an operator's finger can extend into the operation ring 26 to maintain the stability of the endoscope body 1.

The clinical procedure of this example was as follows: in a laparoscope or an open abdomen state, the camera system and the cold light source are respectively connected to the imaging channel 12 and the light source channel 13 through the imaging output end 22 and the light source input end 23, the water inlet end 24 is connected with the water inlet pipe, and the water outlet end 25 is connected with the negative pressure suction device. The endoscope body 1 can enter the corresponding bile duct of the biliary system at the small incision of the common bile duct through the bendable part at the front end. Under the monitoring of the monitor, the operator can select proper operation equipment from the operation end 21 to perform treatment actions such as lithotripsy, stone extraction and biopsy. Through the water circulation at the water inlet end and the water outlet end, the crushed stones, foreign matters, purulent matters and the like can be quickly taken out of the body, and the aim of synchronizing the crushing and the stone taking is fulfilled.

Claims

1. A multi-channel choledochoscope comprises a choledochoscope body (1) and a main body (2) which are connected in front and back, wherein an operation channel (11), an imaging channel (12) and a light source channel (13) which are parallel to each other are arranged in the choledochoscope body (1), an operation end (21), an imaging output end (22) and a light source input end (23) which are respectively communicated with the operation channel (11), the imaging channel (12) and the light source channel (13) are arranged on the main body (2), it is characterized in that an interlayer (15) for separating the operation channel (11) from the imaging channel (12) and the light source channel (13) is also arranged in the lens body (1), the space enclosed by the interlayer (15) in the lens body (1) and the wall of the operation channel (11) is a water inlet channel (14), the main body (2) is also provided with a water inlet end (24) communicated with the water inlet channel (14) and a water outlet end (25) communicated with the operation channel (11).

2. The multichannel choledochoscope of claim 1, wherein: the front end of the mirror body (1) is provided with a bendable part.

3. The multichannel choledochoscope of claim 1, wherein: the opening diameter of the operating end (21) is smaller than that of the water outlet end (25).

4. The multichannel choledochoscope of claim 1, wherein: the tail end of the operating end (21) is an elastic rubber section.

5. The multichannel choledochoscope of claim 1, wherein: the water outlet end (25) is connected with a negative pressure suction device.

6. The multichannel choledochoscope of claim 1, wherein: the number of the light source channels (13) is two, and the light source channels are distributed on two sides of the imaging channel (12).

7. The multichannel choledochoscope of claim 1, wherein: an operating ring (26) is arranged on the imaging output end (22).