CN113576388A

CN113576388A - High-definition electronic choledochoscope convenient for lithotripsy treatment

Info

Publication number: CN113576388A
Application number: CN202110885375.0A
Authority: CN
Inventors: 顾万清
Original assignee: Wuxi Round Road Medical Science And Technology Research Institute Co ltd
Current assignee: Wuxi Round Road Medical Science And Technology Research Institute Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-11-02

Abstract

The invention provides a high-definition electronic choledochoscope convenient for lithotripsy treatment, which comprises a handle and an operating head arranged at the top end of the handle, wherein an electronic choledochoscope hose is arranged at the bottom end of the handle; the multi-channel device is arranged on the handle and the operating head in a penetrating mode and comprises an instrument channel, a suction channel and a flushing channel; the invention can simultaneously carry out the treatment steps of flushing and suction when carrying out the stone breaking treatment on the patient, so that the stone breaking, flushing and suction are simultaneously carried out, the efficiency of the stone breaking treatment is improved, the clear visual field of the choledochoscope is ensured during the stone breaking treatment, and the damage to the wall of the bile duct caused by the unclear visual field of the choledochoscope is avoided.

Description

High-definition electronic choledochoscope convenient for lithotripsy treatment

Technical Field

The invention relates to the field of choledochoscopes, in particular to a high-definition electronic choledochoscope convenient for lithotripsy treatment.

Background

An electronic choledochoscope, called a choledochoscope for short, is an endoscope for observing or treating pathological changes in a biliary tract. It can directly enter bile duct through various ways for observation, diagnosis and treatment, and choledochoscope has become one of indispensable instruments for biliary surgery.

At present, the choledochoscope that uses at home and abroad all is 2 openings of pipeline branch on the handle, one is the working channel mouth, one is for attracting the mouth of pipe, it has solitary bath passageway not to see, when using rubble equipment rubbles such as laser under the choledochoscope, often lead to washing by water because of the single channel, attract, the operation of rubble three can't go on simultaneously, a large amount of bile mud that produces at the rubble in-process causes the choledochoscope field of vision to be vague, art person has to stop the rubble operation this moment, wash earlier with water and attract through attracting mouthful again, let the clear back of choledochoscope place ahead field of vision just can continue the rubble operation, thereby lead to the time extension of choledochoscope treatment gallstone, and because the unclear damage and the hemorrhage that can lead to the bile duct wall in the field of vision.

Disclosure of Invention

The invention aims to provide a high-definition electronic choledochoscope which has the functions of flushing, attracting and lithotripsy simultaneously, thereby improving the lithotripsy treatment efficiency, ensuring clear visual field of the choledochoscope during lithotripsy treatment, and avoiding damage to the wall of a choledochoscope caused by unclear visual field of the choledochoscope.

In order to solve the technical problems, the invention provides a high-definition electronic choledochoscope convenient for lithotripsy treatment, which comprises a handle and an operating head arranged at the top end of the handle, wherein an electronic choledochoscope hose is arranged at the bottom end of the handle; still including wearing to locate the multichannel device on handle and the operating head, the multichannel device includes apparatus passageway, attracts passageway and bath passageway.

Further, the apparatus channel links to each other through branching portion with the attraction passageway, and branching portion one end is connected with the straight tube, and the straight tube is worn to locate in the handle, the straight tube export be located handle bottom central point put and with electron choledochoscope hose intercommunication, the apparatus channel entry be located operating head top central point and put, the apparatus channel is connected with the straight tube is straight.

Furthermore, the flushing channel is arranged in the handle in a penetrating manner and is positioned on one side of the straight pipe, the inlet of the flushing channel is positioned on one side of the handle, and the flushing channel is arranged in the hose of the electronic choledochoscope in a penetrating manner.

Furthermore, a rotary controller is arranged on the operating head, a choledochoscope snake bone is arranged at one end of the electronic choledochoscope hose, and the rotary controller is used for controlling the bending and the steering of the choledochoscope snake bone.

Furthermore, the rotary controller comprises a rotary driving lever, a rotary rotating shaft and a rotating disk, the rotating disk is arranged in the operating head, the rotary rotating shaft is movably inserted in the center of the rotating disk, and the rotary driving lever is fixedly connected to the rotary rotating shaft.

Furthermore, the rotating disk is connected with the choledochoscope snake bone through at least two connecting lines, and when the rotating disk rotates relative to the operating head, the rotating disk pulls the choledochoscope snake bone through the connecting lines to bend and turn.

Furthermore, the operating head is provided with a forefinger support which is tilted outwards relative to the handle.

Furthermore, the included angle between the forefinger support and the side of the operating head is designed to be 60-90 degrees.

Further, the forefinger holds in the palm including the connecting portion and the support finger portion that integrative set up.

Furthermore, connecting portion connect the operating head, hold in the palm finger portion and connect in the afterbody of connecting portion and than the outside perk of connecting portion.

When a doctor carries out lithotripsy treatment on a patient, one end of the electronic choledochoscope hose is inserted into the choledochoscope of the patient, then the lithotripsy rod is inserted into a bile duct stone of the patient through the instrument channel, and the bile duct stone of the patient is lithotripsy treated through the lithotripsy rod, so that a large amount of biliary mud and fine stones are generated during lithotripsy, the visual field of the choledochoscope is blurred, flushing and suction operation are required to be carried out simultaneously, and the visual field of the choledochoscope is always kept in a clear state. The invention can simultaneously carry out three operations of stone breaking, water flushing and suction without mutual interference, not only ensures the clear visual field of the choledochoscope, avoids the damage of the bile duct wall caused by the fuzzy visual field of the choledochoscope, but also does not need to suspend stone breaking operation caused by the fuzzy visual field of the choledochoscope, and increases the efficiency of stone breaking treatment.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Reference numerals: the device comprises a handle 10, an operating head 20, a finger rest 21, a connecting part 211, a finger rest part 212, a rotary controller 30, a rotary rod 31, a rotary rotating shaft 32, a rotating disc 33, an aspirator interface 40, an aspiration channel 41, a first button 51, a second button 52, a side leakage valve 60, an instrument channel port 70, an instrument channel 71, a flusher interface 80, a flushing channel 81, a bifurcation part 90, a straight pipe 91, an electronic choledochoscope hose 92 and a choledochoscope snake bone 93.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

As shown in fig. 1-2, the present invention provides a high-definition electronic choledochoscope convenient for lithotripsy treatment, which comprises a handle 10 and an operating head 20 disposed at the top end of the handle 10, wherein the bottom end of the handle 10 is provided with an electronic choledochoscope hose 92; the multi-channel device is arranged on the handle 10 and the operating head 20 in a penetrating mode and comprises an instrument channel 71, a suction channel 41 and a flushing channel 81.

When the doctor carries out rubble treatment to the patient, insert the one end of electron choledochoscope hose 92 to the patient bile duct, insert the rubble pole to the patient bile duct through apparatus passageway 71 afterwards, make the rubble pole carry out rubble treatment to patient bile duct calculus, simultaneously in order to avoid the field of vision of choledochoscope to be polluted by the bile mud, wash by water to the position that the rubble was handled through bath channel 81, make the choledochoscope can be washed clean by water by the contaminated part of bile mud, attract through attracting the pipeline to the position that patient rubble was handled afterwards, make the rubble, wash by water and attract three operation to go on simultaneously, the field of vision of having guaranteed the choledochoscope is clear, it is impaired to have avoided the choledochoscope field of vision to be contaminated and the bile duct wall that leads to be collided, also need not to suspend the rubble operation and wash the choledochoscope simultaneously, the efficiency of rubble treatment is increased.

Appliance passageway 71 links to each other through branching portion 90 with attracting passageway 41, and branching portion 90 one end is connected with straight tube 91, and straight tube 91 wears to locate in handle 10, straight tube 91 export be located handle 10 bottom central point and put and communicate with electron choledochoscope hose 92, and appliance passageway 71 entry is located operating head 20 top central point and puts, appliance passageway 71 and straight connection of straight tube 91.

Specifically, after entering the handle 10, the instrument channel 71 and the suction channel 41 are connected together through the bifurcation 90, and then the instrument channel 71 and the suction channel 41 are merged to the straight tube 91, so that the instrument channel 71 and the suction channel 41 are inserted into the electronic choledochoscope hose 92 through the straight tube 91 in the using process, the installation space of the instrument channel 71 and the suction channel 41 is reduced, and a space is reserved for the installation position of the flushing channel 81, so that the instrument channel 71, the suction channel 41 and the flushing channel 81 can be simultaneously accommodated under the condition that the outer diameter of the electronic choledochoscope hose 92 is not increased, and the purposes that the stone breaking, the suction and the flushing operation can be simultaneously performed are achieved.

Meanwhile, as the instrument channel 71 is straightly connected with the straight pipe 91, the broken stone rod can be kept in a straight state after being inserted into the instrument channel 71 and entering the electronic choledochoscope hose 92, and the broken stone rod is not required to be bent, so that the instrument channel 71 in the scheme is suitable for a bendable soft broken stone rod and an inflexible metal broken stone rod, and the condition that the metal broken stone rod cannot be inserted for use due to bending of the instrument channel 71 or a subsequent channel is avoided.

The flushing channel 81 is arranged in the handle 10 in a penetrating mode and located on one side of the straight pipe 91, the inlet of the flushing channel 81 is located on one side of the handle 10, and the flushing channel is arranged in the electronic choledochoscope hose in a penetrating mode.

Specifically, the flushing channel 81 is separately installed on one side of the straight pipe 91, so that the flushing operation does not affect the gravel rod and the suction operation, and meanwhile, due to the common arrangement of the flushing channel 81 and the straight pipe 91, the flushing operation is guaranteed to be simultaneously used with the gravel and the suction operation under the condition of no influence.

In the scheme, the outer diameter of the electronic choledochoscope hose 92 is less than or equal to 4.8mm, the inner diameter of the separately arranged flushing channel 81 is 0.56mm, and the inner diameter of the straight pipe 91 is 2.2 mm.

In addition, a choledochoscope snake bone 93 is arranged at the end part of the electronic choledochoscope hose 92, a rotary controller 30 is arranged on the operating head 20, the rotary controller 30 is used for controlling the bending and the steering of the choledochoscope snake bone 93, a food finger support 21 is arranged on the operating head 20 relative to the rotary controller 30, and the food finger support 21 tilts outwards relative to the handle 10.

After inserting the rubble pole to electron choledochoscope hose 92 and choledochoscope snake bone 93, turn to through the bending of rotary controller 30 control choledochoscope snake bone 93, make the rubble pole that inserts in choledochoscope snake bone 93 together bend and turn to, and then make the rubble pole can bend under rotary controller 30's control and turn to appointed region and carry out the rubble operation, turn to the bending of choledochoscope snake bone 93 through rotary controller 30 and control, and cooperate the connected mode of instrument passageway 71 and straight connection of straight tube 91, make and be applicable to flexible soft rubble pole and metal rubble pole in this scheme, and adjust choledochoscope snake bone 93 according to different rubble poles.

In some embodiments, the rotary controller 30 includes a rotary rod 31, a rotary shaft 32, and a rotary disk 33, the rotary disk 33 is disposed in the operating head 20, the rotary shaft 32 is movably inserted into the center of the rotary disk 33, and the rotary rod 31 is fixedly connected to the rotary shaft 32.

Specifically, when the doctor uses the electronic choledochoscope, the palm of the hand is held on the handle 10, the thumb of the hand is put on the rotary deflector rod 31, and the rotary deflector rod 31 is pushed up and down to control the bending and steering of the choledochoscope snake bone 93; the forefinger is placed on the forefinger support 21, and when the thumb pushes the rotary shifting rod 31, the forefinger exerts force on the forefinger support 21, so that the problems that the forefinger muscle is fatigue and the forefinger is sore and the like due to long-term static force application of the forefinger are avoided; the other three finger rings grip the handle 10 to prevent the handle 10 from shaking.

Preferably, the rotating lever 31 is fixedly connected to one side of the rotating shaft 32, so that the rotating lever 31 can rotate up and down relative to the operating head 20, and in order to improve the comfort of the medical staff in holding the electronic choledochoscope, in the present embodiment, when the rotating lever 31 is shifted to the bottom, the rotating lever 31 and the index finger holder 21 are at the same level. Such a design is designed in consideration that when the medical staff holds the electronic choledochoscope in a normal state (refer to a state when a fist is naturally made), the forefinger and the thumb should be in the same horizontal plane, at this time, the forefinger can be comfortably and naturally placed on the forefinger rest 21, and then the medical staff pushes the rotary shift lever 31 upwards with the thumb to realize the control of the electronic choledochoscope.

In the scheme, the rotating disc 33 is connected with the choledochoscope snake bone 93 through at least two connecting lines, and when the rotating disc 33 rotates relative to the operating head 20, the choledochoscope snake bone 93 is pulled through the connecting lines to be bent and turned.

Specifically, two connecting wire one ends are connected respectively in the both sides of cholangioscope snake bone 93, the other end of two connecting wires is connected respectively in the both sides of rotary disk 33, when rotary disk 33 rotates and pulls the connecting wire of one side, one side of cholangioscope snake bone 93 can be pulled to the connecting wire, make one side of pulling cholangioscope snake bone 93 when rotary disk 33 rotates, and drive one side of cholangioscope snake bone 93 and contract, so that cholangioscope snake bone 93 is crooked to one side, when reseing to cholangioscope snake bone 93, then through the connecting wire of rotary disk 33 pulling opposite side, and drive cholangioscope snake bone 93 and reset so that control is turned to in the bending of cholangioscope snake bone 93, increase the bending angle accuracy of cholangioscope snake bone 93.

Meanwhile, angle marks are drawn on the rotating disc 33, so that when the rotating disc 33 drives the choledochoscope snake bone 93 to bend and turn, the bending degree of the choledochoscope snake bone 93 can be judged according to the angle marks.

In the present scheme, the flexibility of the choledochoscope snake bone 93 is greater than 135 degrees.

In addition, in order to reduce the burden of the palm and the other three fingers except the thumb and the index finger that need to be gripped and applied with force for a long time on the basis that the index finger can be applied with force to the index finger rest 21, the angle between the index finger rest 21 and the side of the operating head 20 is designed to be 60 to 90 degrees.

In some embodiments, when the included angle between the index finger support 21 and the side of the operating head 20 is 60 degrees, the structure of the whole electronic choledochoscope is compact, and the electronic choledochoscope is suitable for female medical care personnel with small hand shapes; in other embodiments, the included angle between the food finger support 21 and the side of the operating head 20 is 90 degrees, and the food finger support 21 is far away from the operating head 20 and is suitable for male medical staff with large hand size.

Specifically, the forefinger is placed on the top of the forefinger support 21, and the bottom of the forefinger support 21 is naturally placed on the middle finger, so that the electronic choledochoscope can be stabilized by only slightly applying force to the ring finger and the little finger.

In particular, in some embodiments, the index finger rest 21 includes an integrally disposed connecting portion 211 and a finger rest portion 212.

Specifically, the connecting portion 211 is connected to the operating head 20, and the finger-supporting portion 212 is connected to a tail portion of the connecting portion 211 and is tilted outward relative to the connecting portion 211. That is, the arc between the finger-supporting portion 212 and the connecting portion 211 is connected, and the arc between the connecting portion 211 and the finger-supporting portion 212 conforms to the arc of a finger. Such a design may allow the finger rest 21 to conform more to the shape of the finger, improving the comfort of the finger resting thereon.

In addition, considering that medical staff often takes medical gloves to operate the electronic choledochoscope, the medical gloves have smaller friction force, and in order to avoid the electronic choledochoscope from slipping off the hand, a groove or a convex point can be arranged on the top surface of the index finger support 21 in the embodiment, so as to increase the friction force of the medical staff contacting between the index finger support 21 and the index finger with the medical gloves. In some embodiments, the protruding points can be made of rubber material, which not only increases the friction force between the finger pad 21 and the medical staff, but also provides massage to the fingers of the medical staff, which is very necessary for the medical staff to hold the electronic choledochoscope for a long time.

The material of the food finger support 21 and the material of the operating head 20 are made of the same material, and in some embodiments, the food finger support 21 and the operating head 20 are integrally processed, so that the structure can be more stable. However, in other embodiments, the food finger rest 21 is detachably disposed relative to the operating head 20, and the food finger rest 21 can be sleeved on the operating head 20, so that different food finger rests 21 can be switched, and the processing cost is reduced. Also, when the finger rest 21 is damaged or contaminated, the medical staff can easily replace the finger rest 21.

In addition, since excessive accumulated water and fine silt-like crushed stones in the biliary tract need to be sucked in the treatment process, in some embodiments, the operating head 20 is provided with a suction port 40 for connecting a suction channel 41, and an external suction device is connected during suction. The index finger rest 21 is arranged below the suction apparatus interface 40 and is tilted outwards, so that the advantages are that: the normal attaching arrangement of the aspirator is not affected when the index finger is placed on the index finger rest 21, and the operation of the suction button provided on the aspirator is facilitated.

In general, the electronic choledochoscope lens is mounted at the head end of the choledochoscope snake bone 93, and in order to control the brightness and photographing of the electronic choledochoscope lens, in some embodiments, the operating head 20 is provided with function buttons including a first button 51 for adjusting the brightness of a picture photographed by the electronic choledochoscope lens and a second button 52 for controlling the photographing of the electronic choledochoscope lens. Specifically, the brightness of the picture taken by the electronic choledochoscope lens can be gradually increased by pressing the first button 51, and the brightness of the picture can be automatically reduced to the lowest brightness by pressing the first button 51 again after the brightness of the picture is increased to the maximum value; the second button 52 is pressed, and the electronic choledochoscope lens records the currently shot picture.

In the scheme, the electronic choledochoscope lens adopts a CMOS camera, and the resolution is more than or equal to 16 ten thousand pixels.

In order to detect the air tightness of the electronic choledochoscope, in some embodiments, the operating head 20 is provided with a side leakage valve 60, specifically, a leakage detector is connected to the side leakage valve 60 and is inflated inwards, and after the pressure is stabilized, if the pressure displayed on the leakage detector does not drop, the choledochoscope does not have an air leakage condition.

In addition, in some embodiments, the top center portion of the operating head 20 is provided with an instrument passage port 70 for connecting an instrument passage 71, during treatment of the gallstone, the position of the bile duct stone is observed and confirmed by using an electronic choledochoscope, then a light guide beam of a laser lithotripter, an electrode lead of a liquid electric lithotripter, a metal lithotripter rod and the like are inserted from the instrument passage port 70 to smash the stone, and after the laser light guide beam is taken out, a stone-taking basket is inserted to take out the fragment of the stone.

When the electronic choledochoscope is used for examination or lithotripsy, the biliary tract cavity needs to be flushed with water, and therefore, in some embodiments, the handle 10 is provided with a flushing device interface 80 at the side for connecting with a flushing channel 81 and an external flushing device during flushing.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims

1. The utility model provides a high definition electron choledochoscope convenient to rubble treatment, includes the handle and sets up in the operating head on handle top, and the handle bottom is equipped with electron choledochoscope hose, its characterized in that: still including wearing to locate the multichannel device on handle and the operating head, the multichannel device includes apparatus passageway, attracts passageway and bath passageway.

2. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 1, wherein: the apparatus passageway links to each other through branching portion with the attraction passageway, and branching portion one end is connected with the straight tube, and the straight tube is worn to locate in the handle, the straight tube export is located handle bottom central point and puts and communicate with electron choledochoscope hose, and the apparatus passageway entry is located operating head top central point and puts, the apparatus passageway is connected with the straight tube is straight.

3. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 2, wherein: the flushing channel is arranged in the handle in a penetrating mode and located on one side of the straight pipe, the inlet of the flushing channel is located on one side of the handle, and the flushing channel is arranged in the electronic choledochoscope hose in a penetrating mode.

4. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 1, wherein: the operating head is provided with a rotary controller, one end of the electronic choledochoscope hose is provided with a choledochoscope snake bone, and the rotary controller is used for controlling the bending and the steering of the choledochoscope snake bone.

5. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 4, wherein: the rotary controller comprises a rotary driving lever, a rotary rotating shaft and a rotating disk, the rotating disk is arranged in the operating head, the rotary rotating shaft is movably inserted in the center of the rotating disk, and the rotary driving lever is fixedly connected to the rotary rotating shaft.

6. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 5, wherein: the rotating disk is connected with the choledochoscope snake bone through at least two connecting lines, and when the rotating disk rotates relative to the operating head, the rotating disk pulls the choledochoscope snake bone through the connecting lines to bend and turn.

7. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 1, wherein: the operating head is provided with a forefinger support which is tilted outwards relative to the handle.

8. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 7, wherein: the included angle between the forefinger support and the side of the operating head is designed to be 60-90 degrees.

9. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 7, wherein: the forefinger holds in the palm connecting portion and the support finger portion that include integrative setting.

10. The high definition electronic choledochoscope facilitating lithotripsy therapy according to claim 9, wherein: the connecting part is connected with the operating head, and the finger supporting part is connected with the tail part of the connecting part and is tilted outwards compared with the connecting part.