CN216854647U

CN216854647U - Disposable fiber bronchoscope

Info

Publication number: CN216854647U
Application number: CN202123086276.0U
Authority: CN
Inventors: 丁超
Original assignee: Cancer Hospital and Institute of CAMS and PUMC
Current assignee: Cancer Hospital and Institute of CAMS and PUMC
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-01
Anticipated expiration: 2031-12-10

Abstract

A disposable fiber bronchoscope comprises a display part and a tube body, wherein the upper part of the tube body is a hollow outer column matched with an inner column at the lower part of a display, and an adjusting component is arranged to adjust the advancing direction of the front end of the tube body; the bottom surface of the upper part of the tube body is provided with a data interface and a power interface which are mutually matched; the front end of pipe shaft lower part is the camera lens end, contains miniature camera head, LED light source, and the pipe shaft lower part contains first pipeline, second pipeline, and the built-in data line of first pipeline and power cord are in order to connect miniature camera head, LED light source and data interface, and the upper portion setting of second pipeline is in the lateral wall on pipe shaft upper portion, and built-in wire that leads is in order to connect adjustment assembly and camera lens end to the rotation angle and the direction of travel of regulation control camera lens end. The disposable fiber bronchoscope has the characteristics of cross infection avoidance, low cost, convenience and high efficiency in use and the like.

Description

Disposable fiber bronchoscope

Technical Field

The utility model relates to the field of medical instruments, in particular to a disposable fiber bronchoscope.

Background

The fiberbronchoscope can be placed into the patient's respiratory tract either perorally or nasally, i.e., through the glottis into the trachea and bronchi and into the more distal lung segment or sub-segment bronchi. An operator checks the condition inside the bronchus through an ocular lens, the front end of the lens is sucked or cleaned through a suction unit or an injector which is externally connected with a suction and flushing interface, a data interface can be externally connected with a video display, a memory and a light source, and a biopsy forceps is inserted into the biopsy forceps through a biopsy forceps channel interface to perform biopsy taking operation.

Usually, the front end of fiberbronchoscope has miniature camera head, washing pipeline, LED light source and biopsy pipeline, can direct observation trachea and the condition of the bronchus at different levels, also can carry out bronchoalveolar lavage, guide trachea cannula's location, supplementary realization single lung ventilation management, the cooperation TV system can take a picture, teaching and dynamic recording, can contain fine chamber in the bronchoscope body, have the function that can attract the secretion in the air flue, also have the function that can put into fine rope form biopsy forceps biopsy sample.

The existing fiberoptic bronchoscope is high in price, the shell does not have a disposable function, and cross infection is easy to occur after the fiberoptic bronchoscope is used up and used continuously; meanwhile, the existing fiber bronchoscope has more functions, but only has the function of camera shooting and displaying in a plurality of operation processes, and has a complex internal structure, certain weight and heavy weight, so that the fiber bronchoscope is inconvenient for doctors to check and carry at any time. There is a need for a disposable fiberoptic bronchoscope that is lightweight, convenient, and low cost.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a disposable fiber bronchoscope, which comprises a display part and a tube body, wherein the display part comprises a display and an inner column which are connected with each other, the display is connected with a first data interface at the bottom end of the inner column, and a transmitted video signal is received and processed from the first data interface; a first limiting component is arranged on the outer side of the top end of the inner column and is matched with a second limiting component on the top end of the outer column on the upper part of the pipe body;

the inner column is internally provided with a lithium battery, is connected with the first data interface and supplies power to the display, the video camera and the LED light source;

the upper part of the pipe body is a hollow outer column matched with the inner column, and the outer side of the upper end of the outer column is provided with an adjusting component for adjusting the advancing direction of the front end of the pipe body; a second data interface matched with the first data interface is arranged on the inner bottom surface of the outer column at the upper part of the tube body;

the front end of pipe shaft lower part is the camera lens end, contains miniature video camera and LED light source, the pipe shaft lower part contains first pipeline, second pipeline, and the built-in data line of first pipeline is in order to connect miniature camera and second data interface, and first pipeline still embeds the power cord in order to connect video camera, LED light source and second data interface, and the first rib portion on pipe shaft upper portion is set up on the upper portion of second pipeline, and built-in wire guide that draws is in order to connect adjustment assembly and camera lens end to the rotation angle and the advancing direction of regulation control camera lens end.

Further, the outer diameter of the lower part of the pipe body is not more than 2.8 mm.

Further, the tube body still includes the third pipeline, and the second rib portion on tube body upper portion is set up on the upper portion of third pipeline, and one end opening is in the camera lens end, and the other end opening is in tube body upper portion outer column to be used as biopsy forceps way, suction channel, inflation channel, oxygen suppliment passageway.

Furthermore, the outer diameter of the lower part of the tube body is 2.8-6mm, the inner diameter of the third pipeline is 1.2mm, 2.2mm, 2.8mm or 3.2mm, and the third pipeline can also be used as a suction channel, an inflation channel and an oxygen supply channel.

Furthermore, the inner column is provided with a first groove and a second groove, after the inner column at the lower part of the display part is inserted into and connected with the outer column at the upper part of the tube body, the first groove is matched with the first rib part, and the second groove is matched with the second rib part.

Further, first spacing subassembly be the solid fixed ring of metal ring shape, with the spacing subassembly of second is the stopper, gu fixed ring can with the stopper closely fixes.

Furthermore, a hose is arranged at the position 1.5-2.0 away from the front end of the lower part of the pipe body, so that the direction of the front end of the lower part of the pipe body can be conveniently adjusted by a built-in traction guide wire.

Furthermore, the outer column at the upper part of the tube body is made of medical hard plastic, and the lens body part at the lower part of the tube body is made of soft material for wrapping and shaping, such as common medical soft plastic, which is not listed here.

The disposable fiber bronchoscope has the following beneficial effects:

1. convenient, fast and small: the disposable fiber bronchoscope tube body can be assembled and disassembled at any time, thereby saving precious diagnosis and treatment time and improving the safety of patients;

2. high availability: the portable plug and play design has high operation efficiency, is easy to transport and install and can be used immediately;

3. cost-effectiveness: the cost caused by maintenance cost and complicated maintenance is avoided, and the price of the disposable fiber bronchoscope tube body is moderate;

4. the cross infection risk is avoided, and the bag is in an aseptic state when unpacked, so that the cross infection risk is avoided;

5. the device is suitable for trachea intubation, bronchoalveolar lavage, airway examination and biopsy, double-lumen catheter implantation and examination, bronchial occluder implantation, lung segment or sub-segment bronchial location identification and the like, and the training opportunity of auxiliary intubation and bronchoscopy of a soft bronchoscope is improved.

Drawings

FIG. 1 is a schematic view of a disposable fiberoptic bronchoscope according to one embodiment of the present invention;

FIG. 2 is a cross-sectional schematic view of the lower forward end of the shaft of one embodiment of the present invention;

FIG. 3 is a schematic view of another disposable fiberoptic bronchoscope according to an embodiment of the present invention;

FIG. 4 is a cross-sectional schematic view of the lower forward end of another tube body according to an embodiment of the present invention;

FIG. 5 is a schematic view of a hose of one embodiment of the present invention in use;

fig. 6 is a schematic structural view of the pin and the socket.

Detailed Description

The disposable fiberoptic bronchoscope according to the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments. Those skilled in the art will appreciate that the description is illustrative and that the utility model is not limited to only this particular embodiment.

As shown in fig. 1, the present invention provides a disposable bronchofiberscope, which comprises a display part 1 and a tube body 2, wherein the display part 1 comprises a display 101 and an inner column 102 which are connected with each other, the display 101 can rotate left and right and back and forth, the display 101 is connected with a first data interface 103 at the bottom end of the inner column 102 through an inner pipe of the inner column 102, and the first data interface 103 is connected with a second data interface 211 arranged at the bottom surface of an outer column at the upper part of the tube body 2, and is used for transmitting a video signal collected by a camera to the display. The first data interface 103 and the second data interface 211 are commonly a pin and socket structure, as shown in fig. 6, but the first data interface and the second data interface may also be in a form similar to an existing USB interface, or in a form similar to a video plug on a television, and will not be described in detail here.

The display 101 and the inner column 102 may also be inserted through a pin hole and firmly fixed by the first position-limiting component 104, the first position-limiting component 104 may be a metal ring-shaped fixing ring with internal threads, and the inner column 2 has corresponding external threads. It is fixed do not influence about display 101 and around rotatory, display 101 side can be provided with the interface and the data transmission interface that charge, and the top side of display is equipped with power start button, has the lithium cell in the interior post of display part, links to each other with first data interface 103, and power start button starts the back and supplies power for display and video camera and LED light source.

The top end of the inner column 102 is provided with a first stop assembly 104 to fit with a second stop assembly 213 at the top end of the outer column at the upper part of the pipe body 2.

The upper part 21 of the tube body is a hollow outer column which is matched with the inner column, and is provided with an adjusting component 212 for adjusting the angle and the direction of the lens end at the front end of the tube body 2; and a second data interface 211 matched with the display interface is arranged on the bottom surface of the upper pipe body part 21.

As shown in fig. 2, the front end of the lower tube 22 is a lens end, and includes a micro-camera 221 and an LED light source 222.

As shown in fig. 1, the lower tube 22 includes a first tube 231 and a second tube 232, the first tube 231 has a data line inside to connect the micro-camera 221 and the second data interface 211, the first tube 231 also has a power line inside to connect the micro-camera 221, the LED light source 222 and the second data interface 211, the upper portion of the second tube 232 is disposed on the first rib 251 of the upper tube 21, a pull wire is built inside to connect the adjusting assembly 212 and the lens end, and the bending angle and direction of the lens end can be controlled by manually operating the handle of the adjusting assembly 212. The handle on the adjustment assembly is preferably of a configuration that facilitates manipulation by the thumb of the operator. Meanwhile, the inner column 102 is provided with a corresponding first groove 105, and the structure can play a role in limiting and stabilizing after the inner column and the outer column are nested.

The disposable fiberoptic bronchoscope shown in fig. 1 only has a video acquisition function, so that the requirement of viewing the lung and respiratory tract conditions in an operation is met, and the outer diameter of the lower part 22 of the tube body can be smaller, for example, not more than 2.8mm, because the lens end is only provided with the miniature camera and the light source, so that the condition of a thin lung segment or a sub-segment bronchiole can be better explored.

As shown in fig. 3 and 4, the tube body further includes a third duct 233, an upper portion of the third duct 233 penetrates through a bottom surface of the upper portion 21 of the tube body, and is disposed in the second rib 252, and one end 223 thereof is open to the lens end and the other end 234 thereof is open to the upper portion of the tube body to serve as a biopsy forceps channel. At this time, the inner column of the display end is provided with a corresponding second groove 106, and the inner column and the outer column can play a role in limiting and stabilizing after being nested. The external diameter of the lower part of the tube body of the disposable fiber bronchoscope with the biopsy forceps channel is increased and is 2.8-6mm as the same as that of the common fiber bronchoscope. The third pipeline, namely the biopsy forceps channel, can have various specifications, for example, the internal diameter of the forceps channel is 1.2mm, and the biopsy forceps channel can be used as a diagnosis endoscope for lung peripheral diseases through a cell brush and biopsy forceps with the diameter of 1.0 mm; the internal diameter of the forceps channel is 2.2mm, so that the forceps channel can be used together with various endoscope accessories, and the internal diameter of the forceps channel can be 2.8mm larger than that of the forceps channel or 3.2mm larger than that of the forceps channel. In addition, the forceps channel can also be adapted to other functional accessories attached to the fiberbronchoscope, such as a suction channel, an inflation channel, an oxygen supply channel and the like.

In one embodiment, the first stop assembly 104 has a snap, and the second stop assembly 213 is a stop, the snap being capable of tightly engaging with the stop. Of course, the form of the limiting component is various, and the above description is only illustrative and not restrictive.

In order to reduce the cost, the upper outer column of the tube body 2 is made of hard material, such as common medical hard plastic, and the lower lens body part is made of soft material for wrapping and shaping, such as common medical soft plastic, which is not listed here.

In order to increase the flexibility and the directionality of the running of the lower part of the tube body, a hose 4 is arranged at the position 1.5-2.0mm away from the front end of the lower part of the tube body. Thus, the hose can be easily angled, such as 0-90 degrees, by manually manipulating the handle of the adjustment assembly 212 under the force of the pull wire, as shown in FIG. 5, to increase the flexibility of directional adjustment.

It will be understood by those skilled in the art that the foregoing is illustrative and that various modifications and changes may be made therein without departing from the spirit and scope of the utility model which is defined by the appended claims.

Claims

1. A disposable fiber bronchoscope is characterized in that the bronchoscope comprises a display part and a tube body, the display part comprises a display and an inner column which are connected with each other, the display is connected with a first data interface at the bottom end of the inner column, and a transmitted video signal is received and processed from the first data interface; a first limiting component is arranged on the outer side of the top end of the inner column and is matched with a second limiting component on the top end of the outer column on the upper part of the pipe body;

2. The disposable bronchofiberscope of claim 1 wherein the lower outer diameter of the shaft is no greater than 2.8 mm.

3. The disposable bronchofiberscope of claim 1, wherein the tube body further comprises a third tube having an upper portion disposed on the second rib portion of the upper portion of the tube body, and one end of the third tube is open to the lens end and the other end is open to the outer column of the upper portion of the tube body, so as to be used as a biopsy forceps channel, a suction channel, an inflation channel, and an oxygen supply channel.

4. The disposable bronchofiberscope according to claim 3, wherein the lower outer diameter of the main body is 2.8-6mm and the inner diameter of the third conduit is 1.2mm, 2.2mm, 2.8mm or 3.2 mm.

5. The disposable bronchofiberscope according to claim 3, wherein the inner post is provided with a first groove and a second groove, the first groove is adapted to the first rib and the second groove is adapted to the second rib after the inner post at the lower portion of the display portion is inserted into the outer post at the upper portion of the main body.

6. The disposable bronchofiberscope according to claim 1, wherein the first position-limiting assembly is a metal ring-shaped fixing ring, and the second position-limiting assembly is a position-limiting block, and the fixing ring can be tightly fixed with the position-limiting block.

7. The disposable bronchofiberscope according to claim 6, wherein the lower portion of the main body is a flexible tube at a distance of 1.5-2.0mm from the front end, so that the front end of the lower portion of the main body can be adjusted in direction by the built-in guiding wire.

8. The disposable bronchofiberscope according to any one of claims 1-7, wherein the upper outer column of the main body is made of medical hard plastic and the lower portion of the main body is wrapped and made of medical soft plastic.