CN216602837U

CN216602837U - Rigid electronic choledochoscope

Info

Publication number: CN216602837U
Application number: CN202122213897.4U
Authority: CN
Inventors: 赵静; 俞国良
Original assignee: HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
Current assignee: HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-05-27
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to a choledochoscope, in particular to a rigid electronic choledochoscope. The rigid electronic choledochoscope comprises a choledochoscope body part and an operation part used for controlling the choledochoscope body part, wherein a rigid front end part is arranged on the choledochoscope body part, and the rigid electronic choledochoscope is characterized in that one end, far away from the choledochoscope body part, of the operation part is connected with a plug part, one end, far away from the front end part, of the choledochoscope body part is provided with an insertion instrument interface, a water injection interface and a water outlet interface, an image sensor, a light source, a lens and an illuminating optical fiber are arranged in the front end part, the image sensor and the lens are connected with the plug part through cables, and the light source is connected with the plug part through the illuminating optical fiber. The utility model has the advantages of effectively reducing operation equipment, completing operation with various requirements by the same equipment inserted into a human body, reducing cost, reducing the probability of damage to the inner wall of the biliary tract caused by the equipment inserted into the human body and the like.

Description

Rigid electronic choledochoscope

Technical Field

The utility model relates to a choledochoscope, in particular to a rigid electronic choledochoscope.

Background

The utility model of the choledochoscope promotes the development of the technical field of biliary surgery, and during the operation, water needs to be injected into the gallbladder cavity to expand the gallbladder cavity to a proper degree so as to increase the operation space, thereby being beneficial to providing a clear visual field for the operation and facilitating the completion of various operations. The cholangioscope on the market is the single channel, if needs water injection and drainage, then needs to increase extra equipment, and extra increase equipment not only cost-push frequently changes equipment moreover, inserts human inside, causes the damage easily to the biliary tract inner wall.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at the problems and provides a rigid electronic choledochoscope which can effectively reduce operation equipment and operation which can be required by the same equipment inserted into a human body, reduce cost and reduce the probability of damaging the inner wall of a biliary tract by inserting the equipment into the human body.

The purpose of the utility model is mainly realized by the following scheme: a rigid electronic choledochoscope comprises a choledochoscope body and an operation part used for controlling the choledochoscope body, wherein a rigid front end part is arranged on the choledochoscope body, and the rigid electronic choledochoscope is characterized in that one end, far away from the choledochoscope body, of the operation part is connected with a plug part, one end, far away from the front end part, of the choledochoscope body is provided with an insertion instrument interface, a water injection interface and a water outlet interface, an image sensor, a light source, a lens and an illuminating optical fiber are arranged in the front end part, the image sensor and the lens are connected with the plug part through cables, and the light source is connected with the plug part through the illuminating optical fiber. An operator holds the operation part by hand and inserts the flexible insertion tube of the mirror body part in compliance with the human body cavity, the lens accurately images the outside scenery on the image sensor, the image sensor converts an image signal into an electronic signal, and then the signal is transmitted to the display through each image processor to display the image. In the process, the light source is powered by the illumination optical fiber to provide illumination, so that the observation and the imaging are facilitated. Realize the operation according to imaging analysis, in the operation process, required surgical equipment can be inserted to the insertion instrument interface in the passageway portion, and the water injection interface can pour into the water source into to flexible insert tube, discharges by the interface that goes out, the operation of being convenient for, and whole in-process need not additionally be equipped with and insert other equipment, just alright realize operations such as illumination, peep in, water injection and drainage on a choledochoscope. The insertion instrument interface is located the center of scope, and water injection interface and water outlet port are located the axis both sides of scope, and three passageway can not intersect in the space, can not restrict its flexibility because the interference in space when surgical instruments passes through the scope and gets into the human body. The water injection interface and the water outlet interface can be externally connected with a water supply device and a negative pressure device to perform operations such as water injection and the like on the gallbladder cavity. Whole equipment both can realize the formation of image, can realize water injection and drainage at mirror body portion end moreover, need not additionally be equipped with and insert other equipment, just alright realize operations such as illumination, peep in, water injection and drainage on a cholangioscope, reduce cost, reduce equipment and insert human inside and cause the probability of damage to the biliary tract inner wall.

Preferably, the plug part is detachably connected with the operating part. The plug portion corresponds different control and imaging device, and the plug portion on the equipment of difference can be changed as required on the operating portion, and when changing control and imaging device, operating portion, mirror body portion and tip can remain the position unchangeable, need not to pass in and out frequently in the biliary tract, has further reduced the probability that causes the damage to the biliary tract inner wall.

As preferred, the operating portion keep away from the one end of mirror body portion and extend the connecting seat that is provided with the diameter and is less than the operating portion, the one end of plug portion is provided with the connector, link to each other through the cable between plug portion and the connector, be provided with the stitch that is used for transmission signal on the connector, be provided with on the connecting seat with stitch assorted pinhole, the diameter of connector is greater than the diameter of cable, cable outside cover is equipped with the adapter sleeve, the inner wall of adapter sleeve cooperatees with the outer wall of connecting seat, it has a plurality of location arch to center on the inner wall of adapter sleeve around the axis evenly distributed of adapter sleeve, be provided with a plurality of and protruding matched with spout in location along the generating line direction of connecting seat on the outer wall of connecting seat, one side intercommunication that the free end of connecting seat was kept away from to the spout has the cross slot, the cross slot extends the setting along the circumferencial direction of connecting seat. The one end extension that mirror body portion was kept away from to the operating portion is provided with the connecting seat that the diameter is less than the operating portion, sets up the pinhole on the connecting seat, and the pinhole can be different and possess more perfect signal transmission function according to different control and imaging device. Plug portion has the connector through the cable connection, has the stitch that different signal transmission used on the connector that different control and imaging device correspond, guarantees that the required stitch homoenergetic of arbitrary equipment can correspond with the pinhole on the connecting seat. When control and imaging device need to be changed, the connecting head corresponding to the device is detached from the connecting seat, and then the access of another device can be completed. When the equipment is connected, the connector is correspondingly inserted into the connecting seat on the operation part, and after the insertion is finished, the connecting sleeve slides towards the direction of the connecting seat, so that the connecting sleeve is sleeved at the connecting position of the connector and the connecting seat. At this moment, because the diameter of connector is greater than the diameter of cable, the adapter sleeve can the butt on the step face of connector and cable, realizes spacingly, and at the adapter sleeve slip in-process, the location arch on the adapter sleeve inner wall can correspond with the spout on the connecting seat outer wall and slide, and when the location arch slided to cross slot department, the adapter sleeve can compress tightly the connector on the connecting seat. Because the transverse groove sets up along the circumferencial direction of connecting seat, rotatory adapter sleeve, the location arch is by the spout slip into the transverse groove in, it is spacing to the location arch to utilize the transverse groove, avoids the location arch to remove along the axis direction of connecting seat, and then realizes that the axial of adapter sleeve is spacing. When plug portion and equipment need be changed, the rotary connection cover makes the location arch slide to spout department from the cross slot, and sliding connection cover again makes the location arch slide along the spout and with the connecting seat separation, through exerting pulling force to cable and connector, alright realize connector and connecting seat separation, not only can guarantee the joint strength of connector and connecting seat when connecting, be convenient for the dismantlement and the change of connector and connecting seat when dismantling and changing moreover.

Preferably, the operation unit is provided with a photographing button, a recording button and a white balance button.

Preferably, the interface of the insertion instrument is connected with an access pipe, and the diameter of the access pipe is phi 2.5-phi 6 mm; the working length is 200-400 mm.

Preferably, the water injection interface is connected with a water inlet pipe, the water outlet interface is connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are both phi 0.5-phi 3 mm.

Therefore, the rigid electronic choledochoscope of the utility model has the following advantages: whole equipment both can realize the formation of image, can realize water injection and drainage at mirror body portion end moreover, need not additionally be equipped with and insert other equipment, just alright realize operations such as illumination, peep in, water injection and drainage on a cholangioscope, reduce cost, reduce equipment and insert human inside and cause the probability of damage to the biliary tract inner wall.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic diagram of an embodiment of the present invention;

FIG. 3 is an enlarged partial cross-sectional view taken at A of FIG. 2;

fig. 4 is a partially enlarged view of the connecting socket.

Illustration of the drawings: 1-plug part, 2-insertion instrument interface, 3-water injection interface, 4-water outlet interface, 5-lens part, 6-tip part, 7-operation part, 8-shooting button, 9-video button, 10-white balance button, 11-connector, 12-connecting sleeve, 13-positioning bulge, 14-sliding groove, 15-transverse groove, 16-connecting seat, 17-cable and 18-pinhole.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example 1: as shown in fig. 1, 2, 3 and 4, the rigid electronic choledochoscope comprises a choledochoscope body and an operation part 7 for controlling the choledochoscope body 5, wherein the operation part is provided with a photographing button 8, a video recording button 9 and a white balance button 10. The endoscope body is provided with a hard front end part 6, one end of the operation part, which is far away from the endoscope body, is connected with a plug part 1, one end of the endoscope body, which is far away from the front end part, is provided with an insertion instrument interface 2, a water injection interface 3 and a water outlet interface 4, the front end part is internally provided with an image sensor, a light source, a lens and an illuminating optical fiber, the image sensor and the lens are connected with the plug part through cables, and the light source is connected with the plug part through the illuminating optical fiber. The plug part is detachably connected with the operation part. The one end that the mirror body portion was kept away from to the operation part extends and is provided with the connecting seat 16 that the diameter is less than the operation part, the one end of plug portion is provided with connector 11, link to each other through cable 17 between plug portion and the connector, be provided with the stitch that is used for transmission signal on the connector, be provided with on the connecting seat with stitch assorted pinhole 18, the diameter of connector is greater than the diameter of cable, cable outside cover is equipped with adapter sleeve 12, the inner wall of adapter sleeve cooperatees with the outer wall of connecting seat, it has a plurality of location arch 13 to center on the inner wall of adapter sleeve around the axis evenly distributed of adapter sleeve, be provided with a plurality of and the protruding matched with spout 14 in location along the generating line direction of connecting seat on the outer wall of connecting seat, one side intercommunication that the free end of connecting seat was kept away from to the spout has transverse groove 15, the transverse groove extends the setting along the circumferencial direction of connecting seat. The interface of the insertion instrument is connected with an access pipe, and the diameter of the access pipe is phi 2.5-phi 6 mm; the working length is 200-400 mm, the water injection interface is connected with a water inlet pipe, the water outlet interface is connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are both phi 0.5-phi 3 mm.

An operator holds the operation part by hand and inserts the flexible insertion tube of the mirror body part in compliance with the human body cavity, the lens accurately images the outside scenery on the image sensor, the image sensor converts an image signal into an electronic signal, and then the signal is transmitted to the display through each image processor to display the image. In the process, the light source is powered by the illumination optical fiber to provide illumination, so that the observation and the imaging are facilitated. Realize the operation according to imaging analysis, in the operation process, required surgical equipment can be inserted to the insertion instrument interface in the passageway portion, and the water injection interface can pour into the water source into to flexible insert tube, discharges by the interface that goes out, the operation of being convenient for, and whole in-process need not additionally be equipped with and insert other equipment, just alright realize operations such as illumination, peep in, water injection and drainage on a choledochoscope. The insertion instrument interface is located the center of scope, and water injection interface and water outlet are located the axis both sides of scope, and three passageway can not intersect in the space, can not restrict its flexibility because of the interference in space when surgical instruments passes through scope entering human body. The water injection interface and the water outlet interface can be externally connected with a water supply device and a negative pressure device to perform operations such as water injection and the like on the gallbladder cavity. Whole equipment both can realize the formation of image, can realize water injection and drainage at mirror body portion end moreover, need not additionally be equipped with and insert other equipment, just alright realize operations such as illumination, peep in, water injection and drainage on a cholangioscope, reduce cost, reduce equipment and insert human inside and cause the probability of damage to the biliary tract inner wall. The plug portion corresponds different control and imaging device, and the plug portion on the equipment of difference can be changed as required on the operating portion, and when changing control and imaging device, operating portion, mirror body portion and tip can remain the position unchangeable, need not to pass in and out frequently in the biliary tract, has further reduced the probability that causes the damage to the biliary tract inner wall. The one end extension that mirror body portion was kept away from to the operating portion is provided with the connecting seat that the diameter is less than the operating portion, sets up the pinhole on the connecting seat, and the pinhole can be different and possess more perfect signal transmission function according to different control and imaging device. Plug portion is connected with the connector through the cable, has the stitch that different signal transmission used on the connector that different control and imaging device correspond, guarantees that the required stitch homoenergetic of arbitrary equipment is corresponding with the pinhole on the connecting seat. When control and imaging device need be changed, only need dismantle the connector that equipment corresponds from the connecting seat, can accomplish the access of another equipment. When the equipment is connected, the connector is correspondingly inserted into the connecting seat on the operation part, and after the insertion is finished, the connecting sleeve slides towards the direction of the connecting seat, so that the connecting sleeve is sleeved at the connecting position of the connector and the connecting seat. At this moment, because the diameter of connector is greater than the diameter of cable, the adapter sleeve can the butt on the step face of connector and cable, realizes spacingly, and at the adapter sleeve slip in-process, the location arch on the adapter sleeve inner wall can correspond with the spout on the connecting seat outer wall and slide, and when the location arch slided to cross slot department, the adapter sleeve can compress tightly the connector on the connecting seat. Because the transverse groove sets up along the circumferencial direction of connecting seat, rotatory adapter sleeve, the location arch is by the spout slip into the transverse groove in, it is spacing to the location arch to utilize the transverse groove, avoids the location arch to remove along the axis direction of connecting seat, and then realizes that the axial of adapter sleeve is spacing. When plug portion and equipment need be changed, the rotary connection cover makes the location arch slide to spout department from the cross slot, and sliding connection cover again makes the location arch slide along the spout and with the connecting seat separation, through exerting pulling force to cable and connector, alright realize connector and connecting seat separation, not only can guarantee the joint strength of connector and connecting seat when connecting, be convenient for the dismantlement and the change of connector and connecting seat when dismantling and changing moreover.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. A rigid electronic choledochoscope comprises a choledochoscope body and an operation part used for controlling the choledochoscope body, wherein a rigid front end part is arranged on the choledochoscope body, and the rigid electronic choledochoscope is characterized in that one end, far away from the choledochoscope body, of the operation part is connected with a plug part, one end, far away from the front end part, of the choledochoscope body is provided with an insertion instrument interface, a water injection interface and a water outlet interface, an image sensor, a light source, a lens and an illuminating optical fiber are arranged in the front end part, the image sensor and the lens are connected with the plug part through cables, and the light source is connected with the plug part through the illuminating optical fiber.

2. The rigid electronic choledochoscope of claim 1, wherein the plug portion is detachably connected to the operation portion.

3. The rigid electronic choledochoscope as claimed in claim 2, wherein the operating portion has a connecting seat extending from an end thereof away from the choledochoscope portion, the connecting seat has a diameter smaller than that of the operating portion, the plug portion has a connecting head at an end thereof, the plug portion and the connecting head are connected by a cable, the connecting head is provided with pins for transmitting signals, the connecting seat is provided with pinholes matching with the pins, the diameter of the connecting head is larger than that of the cable, the connecting seat is sleeved outside the cable, an inner wall of the connecting seat is matched with an outer wall of the connecting seat, a plurality of positioning protrusions are uniformly distributed on the inner wall of the connecting seat around an axis of the connecting seat, a plurality of sliding grooves matching with the positioning protrusions are arranged on an outer wall of the connecting seat along a bus direction of the connecting seat, a lateral groove is communicated with a side of the sliding groove away from a free end of the connecting seat, and the lateral groove extends along a circumferential direction of the connecting seat.

4. The rigid electronic choledochoscope as claimed in claim 1, wherein the operation portion is provided with a photographing button, a video recording button and a white balance button.

5. The rigid electronic choledochoscope of claim 1, 2, 3 or 4, wherein an access tube is connected to the interface of the insertion instrument, and the diameter of the access tube is phi 2.5-phi 6 mm; the working length is 200-400 mm.

6. A rigid electronic choledochoscope as claimed in claim 1, 2, 3 or 4, wherein the water injection interface is connected with a water inlet pipe, the water outlet interface is connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are all phi 0.5-phi 3 mm.