CN107224260B - Endoscope operation unit and endoscope - Google Patents
Endoscope operation unit and endoscope Download PDFInfo
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- CN107224260B CN107224260B CN201710628405.3A CN201710628405A CN107224260B CN 107224260 B CN107224260 B CN 107224260B CN 201710628405 A CN201710628405 A CN 201710628405A CN 107224260 B CN107224260 B CN 107224260B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0057—Constructional details of force transmission elements, e.g. control wires
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
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Abstract
The invention provides an endoscope operation part and an endoscope. The endoscope operating section includes a housing and an angle control module. The bent angle control module comprises a bent angle wrench and an adjusting rope retracting and releasing mechanism. The adjusting rope winding and unwinding mechanism is used for storing, guiding and winding and unwinding an adjusting rope of the endoscope; the angle wrench is connected with the adjusting rope retracting and releasing mechanism so as to drive the adjusting rope retracting and releasing mechanism to move through the movement of the angle wrench, so as to pull or release the adjusting rope. The endoscope comprises the endoscope operation part, an adjusting rope, an elastic tube and snake bones. The elastic tube is at least partially positioned in the outer shell of the operation part; the adjusting rope part is movably connected in the bent angle control module, enters the elastic tube to extend after coming out of the bent angle control module, and the tail end of the adjusting rope part is fixed at the front end of the snake bone. The end of the elastic tube is directly or indirectly fixed on the back end of the snake bone. The invention has basic functions and comfortableness, has simple structure and can realize a real disposable endoscope.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and relates to an endoscope operation part and an endoscope.
Background
Generally, an endoscope is composed of an insertion portion, a connection portion, and an operation portion connected thereto. When in use, the insertion part of the endoscope is guided into the organ to be inspected, and the bending of the head end of the insertion part is controlled by the operation part, so that the human organ can be directly peeped.
The endoscope internal components appearing on the market are complex, the whole cleaning or disinfection difficulty is great one by one, if the cleaning or disinfection is incomplete, the possibility of bacterial cross infection easily exists, causes the patient to repeatedly infect or infect the risk of new bacteria. The commonly used disinfectant comprises alkaline glutaraldehyde, and has the defects of long disinfection time, irritation and the like. In this way, unnecessary trouble in the actual use of the endoscope is increased. Accordingly, there is a need for improvements over conventional endoscopes that reduce costs and the risk of cross-infection.
In view of the above problems, a technology related to a disposable endoscope product has emerged in the prior art. Chinese patent application No. 201310363542.0 discloses a "disposable endoscope" which includes a distal end portion, a bending portion, an insertion portion, a connection portion, an operation portion, and a main body. The connecting part comprises a detachable connecting mechanism for connecting the operating part and the inserting part. The endoscope is suitable for a single patient or a single operation process, then the doctor dismounts the insertion part, discards the polluted part of the endoscope, and avoids the problems of high disinfection cost, incomplete disinfection, cross pollution and the like of the traditional endoscope.
However, the operation part is still required to be reused due to the complicated structure and high cost; meanwhile, although the invention designs a detachable structure of the operation part and the insertion part, after the insertion part is detached and assembled for a plurality of times, the operation part is gradually worn, so that the stability of the product is deteriorated; in addition, the method for disassembling the insertion part requires specialized training, and the operation of doctors is complicated. Thus, the invention patent does not achieve a true single use.
Disclosure of Invention
The invention aims to provide an endoscope operation part and an endoscope, which have simple structure, low cost, simple and sanitary operation and can realize disposable use and comfort.
In order to achieve the above object, the solution of the present invention is:
an endoscope operating part comprises a shell and an angle control module; the corner control module is at least partially positioned in the housing; the bent angle control module comprises a bent angle wrench and an adjusting rope retracting mechanism; the adjusting rope winding and unwinding mechanism is used for storing, guiding and winding and unwinding an adjusting rope of the endoscope; the angle wrench is connected with the adjusting rope retracting and releasing mechanism, so that the adjusting rope retracting and releasing mechanism is driven to move by the movement of the angle wrench, and the adjusting rope is pulled or released.
The adjusting rope winding and unwinding mechanism comprises a drum wheel, a drum wheel cover, a drum wheel shaft and a plug head; the drum is positioned in the drum housing for securing and guiding the adjustment cord; the angle wrench is connected with the drum wheel to allow the drum wheel to be driven to rotate through the rotation of the angle wrench, so as to drive the movement of the adjusting rope; the two plugs are used for being matched with a drum shaft to be respectively connected with the angle wrench and the drum wheel.
Preferably, both ends of the drum shaft are square; the drum wheel and the corner wrench are provided with square holes in the center; the drum shaft is respectively matched with square holes of the drum wheel and the bent angle wrench at two ends; the two ends of the drum shaft are internally provided with shaft connecting parts, the plugs are also provided with plug connecting parts, and the two plugs are respectively connected with the two ends of the drum shaft through the shaft connecting parts and the plug connecting parts so as to lock and fix the angle wrench and the drum.
Preferably, the drum is provided with grooves on its sides to act as a track for the adjustment cord; the surface of the drum is provided with a through hole, and the adjusting rope is wound and fixed on the drum through the through hole; the drum is further provided with a notch at an end to allow the adjustment cord to enter the track from the notch after being secured to the drum; the drum cover having an interior cavity that mates with the drum shape to accommodate the drum; the drum cover has a rope hole in a side wall to allow the adjustment rope to be led out therefrom; further preferably, at least three of said vias are provided on said drum.
Preferably, a raised limit stop is arranged on the drum wheel, and a blocking piece is arranged on the drum wheel cover so as to limit the relative rotation amplitude of the drum wheel and the drum wheel cover; further preferably, the blocking member comprises at least one screw.
Preferably, the spacing between the inner side of the drum housing and the outer side of the drum is smaller than the diameter of the adjustment cord to prevent the adjustment cord from falling off.
The endoscope operation part further comprises an attracting module; the suction module is connected with a suction channel of the endoscope, and the suction module and the suction channel are at least partially positioned inside the shell; the suction module comprises a suction control valve connected with and controlling the opening and closing of the suction channel; the rear end of the suction channel communicates with an outlet of the head end of the endoscope.
Preferably, the attraction control valve comprises a button, a spring, a base, a sliding rod and two sealing rings; the main body of the base is of a cylindrical structure and comprises a first section with smaller inner diameter and a second section with larger inner diameter; the main body of the base comprises a first opening, a second opening and a third opening which are sequentially arranged in the direction from the first section to the second section; the first opening and the second opening are positioned on the first section, and the third opening is positioned on the second section; a second opening is used as an inlet of the suction control valve, and a third opening is used as an outlet of the suction control valve; the sliding rod comprises a rod body and a positioning baffle plate vertically arranged at the end part of the rod body, the other end of the sliding rod is provided with a sliding rod connecting part, the button is provided with a button connecting part, and the sliding rod and the button are fixedly connected through the sliding rod connecting part and the button connecting part; a first sealing ring is arranged on the rod body to seal the rod body and the first section, and the first sealing ring is positioned above the first opening in an initial state; the upper part refers to a direction pointing from the second section to the first section; in the initial state, the rod body is positioned in a first section of the base, the positioning baffle is positioned in a second section of the base, and the positioning baffle is tightly attached to the end face of the first section; the spring is positioned between the button and the base and is in a compressed state; the diameter of the rod body is smaller than the inner diameter of the first section.
Preferably, the suction control valve further comprises an end cap connected to the base near the end where the second section is located.
Preferably, the sliding rod connection portion and the button connection portion are both threaded.
Preferably, a second sealing ring is further arranged on the rod body, and in the initial state, the second sealing ring is positioned below the second opening.
Preferably, a button hole is provided in the housing, and the button is mounted on the housing through the button hole and extends at least partially out of the housing, and the stroke of pressing the button is limited by the outer side of the housing.
Preferably, the suction module further comprises a suction interface, one end of the suction interface is communicated with a suction pump positioned outside the shell, the other end of the suction interface is communicated with a suction channel positioned inside the shell, and the suction channel is connected with the suction pump so as to realize a suction function.
Preferably, the device further comprises a water injection module, wherein the water injection module comprises a clamp channel base, a clamp channel plug and a water injection interface which are connected with each other, the clamp channel base and the clamp channel plug are connected with a quick joint, the quick joint is connected with a water injection pump, and the water injection interface is connected with a water injection channel of an endoscope.
Preferably, the shell is provided with a water injection hole communicated with the water injection module.
Preferably, the forceps channel base and the forceps channel plug are rubber pieces for pressing and fixing the quick connector and sealing the end face of the quick connector.
At least one linear protrusion is arranged on the outer surface of the shell so as to increase the friction force during holding.
The operation part is a disposable operation part.
An endoscope with the endoscope operation part, further comprising an adjusting rope, an elastic tube and snake bones; the elastic tube is at least partially positioned in the outer shell of the operation part; the adjusting rope part is movably connected in the bent angle control module, enters the elastic tube to extend after coming out of the bent angle control module, and the tail end of the adjusting rope part is fixed at the front end of the snake bone; the tail end of the elastic tube is fixed at the rear end of the snake bone or a part connected with the rear end of the snake bone.
The endoscope further includes an elastic tube fixing member to support the elastic tube; the elastic tube fixing piece is fixed on the shell.
Preferably, the elastic tube is a spring tube; the elastic tube fixing piece is a spring tube fixing piece.
Preferably, the adjusting rope is a steel wire rope.
The endoscope further comprises a biopsy module and a biopsy tube; the biopsy module includes a biopsy inlet; the biopsy inlet communicates with the biopsy line.
Preferably, the aspiration module and the biopsy module are communicated through a tee, one opening of the tee is communicated with the aspiration module, one opening is a biopsy inlet of the biopsy module, and the third opening is an outlet shared by the aspiration module and the biopsy module.
Preferably, the endoscope comprises a water jet channel; the water jet channel is communicated with an outlet at the head end part of the endoscope.
The endoscope further comprises a light guide hose connected with the operation part and a light guide plug connected with the light guide hose; the light guide hose is internally provided with a light guide beam and an image signal transmission cable; the light guide plug is connected with the image processing equipment and the light source so as to realize the switching between the image signal and the light.
Preferably, the endoscope further includes an insertion tube connected to the operation portion, a bending portion connected to the insertion tube, and a head end portion connected to the bending portion; the insertion tube is internally provided with a light beam, an image transmission cable, a working channel, a water jet channel, an adjusting rope and a spring tube; the snake bone is arranged in the bending part and is pulled by the adjusting rope so as to realize bending; the head end is internally provided with an image sensor, a light guide beam, a working channel and a water jet hole.
Preferably, the working channel is a channel common to the aspiration module and the biopsy module.
The endoscope is a disposable endoscope.
By adopting the scheme, the invention has the beneficial effects that: the endoscope operation part has the advantages of simple structure, complete functions, easy processing, lower cost, simple operation and higher reliability, can be used as a disposable endoscope operation part and can ensure proper comfortableness. Therefore, the invention can make the endoscope realize disposability truly, which omits the operation of disassembling and assembling the insertion part, makes the related medical examination more sanitary, and greatly avoids the infection to the patient caused by the cleaning problem of the endoscope.
Drawings
FIG. 1 is a schematic view of a structure of a housing with an operation part installed in an embodiment of the present invention;
FIG. 2a is a schematic view of an operation portion of the control module for emphasizing a bending angle according to an embodiment of the present invention;
FIG. 2b is an enlarged view of the portion of FIG. 2a relating to the corner control module;
FIG. 2c is an exploded view of the corner control module of FIG. 2 b;
FIG. 3a is a schematic view of the structure of the operation part of the aspiration module and the biopsy module in the embodiment of the present invention;
FIG. 3b is a schematic diagram of the suction control valve according to an embodiment of the present invention;
FIG. 4 is a perspective view of a button according to an embodiment of the present invention;
FIG. 5 is a schematic view of a sliding rod according to an embodiment of the present invention;
FIG. 6a is a cross-sectional view of a base in an embodiment of the invention;
FIG. 6b is a perspective view of a base according to an embodiment of the present invention;
fig. 7 is a schematic view showing the overall structure of an endoscope according to an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
The invention provides an endoscope operating section which comprises a shell and a bending control module, wherein the bending control module is at least partially positioned on the shell. The bent angle control module comprises a bent angle wrench 201 and an adjusting rope retracting mechanism; the adjusting rope winding and unwinding mechanism is used for storing, guiding and winding and unwinding an adjusting rope of the endoscope; the angle wrench 201 is connected with the adjusting rope retracting mechanism to drive the adjusting rope retracting mechanism to move through the movement of the angle wrench 201, so as to pull or release the adjusting rope. The endoscope operation part can basically realize the necessary functions of the endoscope operation part, ensure certain comfortableness, effectively simplify the structure, have fewer components compared with the prior endoscope operation part, and can realize the disposable endoscope operation part in the true sense.
The housing 1 comprises a housing base and a housing cover, which are connected in an open-faced manner, forming a shell with an internal cavity. Fig. 1 is a schematic view showing the structure of the housing after the operation part is mounted. At least one linear protrusion 101 is provided on the outer surface of the housing 1 to increase the friction force when being held. The housing 1 is provided with a structure for mounting the subsequent modules.
The adjustment cord retraction mechanism includes a drum 202, a drum cover 203, a drum shaft 204, and a locking plug. The drum 202 is located within a drum housing 203 for securing and guiding the adjustment cord. The angle wrench 201 is connected to the drum 202 to allow rotation of the drum 202 by rotation of the angle wrench 201 to move the adjustment cord. There are two locking plugs 2501 and 2502, respectively, for connecting the angle wrench 201 and drum 202 with the drum shaft 204.
Fig. 2a is a schematic view showing the structure of an endoscope operation section of the highlighted bending control module. Fig. 2b is an enlarged view of a portion of fig. 2a related to the corner control module, and fig. 2c is an exploded view of the corner control module.
The drum 202 is provided with grooves on its sides to act as a track for the adjustment cords; three vias (more vias may be provided in the present invention) are provided in the disk face of the drum 202 through which the tuning rope is wound and secured to the drum 202. The drum 202 is also provided with a notch at the end to allow the adjustment cord to enter the track from the notch.
The drum cover 203 has an internal cavity that mates with the shape of the drum 202 to accommodate the drum 202. The drum cover 203 has a rope hole in the side wall to allow the adjustment rope to be led out therefrom. The spacing between the inside of the drum cover 203 and the outside of the drum 202 is smaller than the diameter of the adjustment cord to prevent the adjustment cord from falling out.
A raised limit stop is provided on the drum 202 on the side facing the drum housing 203, and a limit space with a stop is provided on the drum housing 203 to limit the relative rotational amplitude of the drum 202 and the drum housing 203. In this embodiment, the blocking member is at least one pan head screw.
The drum 202 and the angle wrench 201 have square holes in the center. The drum shaft 204 has square ends, and is respectively connected with the drum 202 and the angle wrench 201 at two ends. The square-shaped drum shaft 204 has shaft connection portions at both ends thereof, and the locking plugs 2051, 2052 also have plug connection portions, and two locking plugs 2051 and 2052 are respectively connected to both ends of the drum shaft 204 through the shaft connection portions and the plug connection portions, thereby locking and fixing the angle wrench 201 and the drum 202.
The endoscope operation section further includes a suction module 3 connected to the suction channel of the endoscope and both of which are at least partially located inside the housing. The suction module includes a suction port 301 (the suction port 301 is connected to a suction pump outside the operation unit via a hose), and a suction control valve connected to and controlling opening and closing of the suction passage. The rear end of the suction channel is communicated with an outlet of the head end of the endoscope. Fig. 3a is a schematic view highlighting the operation portions of the aspiration module and the biopsy module in the present embodiment; fig. 3b is a schematic structural diagram of the suction control valve in the present embodiment.
The attraction control valve includes a button 3031, a spring 3032, a base 3033, an end cap 3034, and a sliding stem 3035.
The push button 3031 has a double cylindrical structure with one end opened, and the two cylindrical structures are coaxial. The suction button 3031 has a thread (button connection portion) on the inner wall of the inner cylindrical wall to be coupled with the thread (slide rod connection portion) of the end portion of the slide rod 3035. Fig. 4 is a perspective view of the button 3031.
The sliding rod 3035 includes a rod body 30351 and a stopper 30352 vertically disposed at one end of the rod body 30351. The other end of the slide rod 3035 has a thread (slide rod connection portion) to be coupled with a thread (button connection portion) on the inner wall of the inner cylindrical wall of the button 3031. Fig. 5 is a schematic structural view of the sliding rod.
The body of the base 3033 is a cylindrical structure including a first section having a smaller inner diameter and a second section having a larger inner diameter. The base 3033 has three openings in its tubular structural body. Of the three openings, a first opening 3033a, a second opening 3033b, and a third opening 3033c are sequentially arranged on the base 3033 in a direction from the first segment to the second segment. The first and second openings 3033a, 3033b are located on the first segment and the third opening 3033c is located on the second segment. The second opening 3033b serves as an inlet of the suction control valve 303, and communicates with the suction interface 301 through the suction passage 302; the third opening 3033c serves as an outlet of the suction control valve 301, and communicates with one opening 501 of the three-way 5 through the suction passage 302. Fig. 6a shows a cross-sectional view of the base 3033, and fig. 6b shows a perspective view thereof.
The end cap 3034 is coupled to the base 3033 at the end at which the second section is located, thereby forming a space between the base 3033 and the end cap 3034 for movement of the limit stop 30352 of the sliding lever 3035.
A first seal ring 30361 is disposed between the stem 30351 and the base 3033 at a position above the first opening 3033a in the initial state to seal the stem 30351 and the first section of the base 3033 at the location of the stem; a second seal 30362 is provided between the stem 30351 and the base 3033 at a location below the second opening 3033b in the initial state to seal the stem 30351 and the first section of the base 3033 at this location of the stem. The direction from the second section to the first section is set for convenience of description only, and is not upper and lower in actual use.
As shown in fig. 3b, in the initial state, the button 3031 is sleeved at one end of the base 3033 where the first section is located, and the spring 3032 is located between the two ends; the button 3031 is mounted in a button hole on the housing module (the button 3031 is mounted on the housing 1 through the button hole and extends at least partially outside the housing 1, and the stroke of the button 3031 being limited by the outside of the housing 1). The rod body 30351 of the sliding rod 3035 is positioned within the first section of the end cap 3034 and the diameter of the rod body 30351 is smaller than the inner diameter of the first section of the end cap 3034 such that there is a gap therebetween such that the first opening 3033a is in communication with the second opening 3033b in the initial state. The stop plate 30352 of the sliding rod 3035 is positioned within the second section of the end cap 3034 and abuts the outer end surface of the first section thereof such that the spring 3032 is in a compressed state and the third opening 3033c is not in communication with the first and second openings 3033a and 3033b because the stop plate 30352 of the sliding rod 3035 is threadedly coupled to the button 3031 at one end thereof and the stop plate 30352 of the sliding rod 3035 abuts the end surface of the first section of the end cap 3034.
When the button 3031 is pressed, the rod 30351 moves in the direction of the second segment, and when the first sealing ring 30361 passes through the first opening 3033a, the first opening 3033a is blocked from the second opening 3033b by the first sealing ring 30361, and the second opening 3033b communicates with the third opening 3033c, thereby allowing the suction line to communicate. When the attraction button 3031 is pushed, it is retained by the housing limit when it reaches the outside of the housing.
One end of the suction interface 301 is communicated with a suction pump outside the shell through a plastic pipe, the other end is communicated with a suction channel inside the shell, and the suction channel is connected with the suction pump 301 to realize a suction function.
The endoscope operation part also comprises a water injection module, wherein the water injection module comprises a forceps channel base, a forceps channel plug and a water injection interface 10 which are connected with each other, the forceps channel base and the forceps channel plug are connected with a quick connector outside the operation part, the quick connector is connected with a water injection pump, and the water injection interface 10 is connected with a water injection channel of the endoscope. Correspondingly, the shell 1 is provided with a water injection hole communicated with the water injection module. In this embodiment, the pincer way base and the pincer way plug are rubber parts to when being connected with the quick-operation joint, can extrude fixed quick-operation joint, and can seal the terminal surface of quick-operation joint. The endoscope includes a water jet channel in communication with an outlet at a head end of the endoscope.
In this embodiment, the endoscope operation section is a disposable endoscope operation section.
The invention also provides an endoscope with the endoscope operation part. The endoscope also comprises an adjusting rope, an elastic tube and snake bones. The elastic tube is at least partially located within the housing of the operating portion. The adjusting rope part is movably connected in the bent angle control module, enters the elastic tube to extend after coming out of the bent angle control module, and the tail end of the adjusting rope part is fixed at the front end of the snake bone. The end of the elastic tube is directly or indirectly fixed to the posterior end of the snake bone (e.g., to a member attached to the posterior end of the snake bone). In this embodiment, the adjusting rope is a steel wire rope, and the elastic tube is a spring tube.
The endoscope also includes a spring tube mount to support the spring tube. The spring tube holder is fixed to the housing 1. A wire rope is led from drum 202 and continues in the spring tube.
The endoscope further comprises a biopsy module 4 and a biopsy channel. The biopsy module 4 comprises a biopsy inlet, which communicates with the biopsy channel. The biopsy tube communicates with the outlet of the endoscope operating section, and the biopsy inlet is aligned with the forceps aperture 401 in the housing 1. In this embodiment, the aspiration module and the biopsy module are communicated through a tee 5, one opening of the tee 5 is communicated with the aspiration module, one opening is a biopsy inlet of the biopsy module, and the third opening is an outlet shared by the aspiration module and the biopsy module.
The endoscope further includes a suction channel in communication with the suction module of the operation portion.
The endoscope further includes a light guide tube 601 connected to the operation unit, and a light guide plug 602 connected to the light guide tube 601. The light guide hose 601 houses a light guide beam and an image signal transmission cable; the light guide plug 602 is connected to the image processing device and the light source, respectively, to realize the transfer of the image signal and the light. The endoscope further includes an insertion tube 7 connected to the operation portion, a bending portion 8 (snake bone is a part of the bending portion) connected to the insertion tube 7, and a head end portion 9 connected to the bending portion 8. The insertion tube 7 is internally provided with a light beam, an image signal transmission cable, a working channel, a water jet channel, an adjusting rope and a spring tube; the snake bone is arranged in the bending part 8 and is pulled by an adjusting rope to realize bending; the head end 9 is internally provided with an image sensor, a light beam, a working channel and a water jet hole. In this embodiment, the working channel is a channel common to the aspiration module and the biopsy module. Fig. 7 is a schematic view showing the overall structure of the endoscope.
The endoscope operation part and the endoscope have simple structure, easy processing, lower cost, simple operation and stronger reliability, can realize basic functions and comfort, and can be used as a disposable endoscope operation part and a disposable endoscope. Therefore, the invention can make the endoscope realize disposability truly, and avoid the operation of disassembling and assembling the insertion part, so that the related medical examination is more sanitary, and the infection to the patient caused by the cleaning problem of the endoscope is avoided greatly.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (30)
1. An endoscope operation section, characterized in that: comprises a shell and a bent angle control module; the corner control module is at least partially positioned in the housing;
the bent angle control module comprises a bent angle wrench and an adjusting rope retracting mechanism; the adjusting rope winding and unwinding mechanism is used for storing, guiding and winding and unwinding an adjusting rope of the endoscope; the angle wrench is connected with the adjusting rope retraction mechanism so as to drive the adjusting rope retraction mechanism to move through the movement of the angle wrench to pull or release the adjusting rope;
the adjusting rope winding and unwinding mechanism comprises a drum wheel, a drum wheel cover, a drum wheel shaft and a plug head;
the drum is positioned in the drum housing for securing and guiding the adjustment cord;
the angle wrench is connected with the drum wheel to allow the drum wheel to be driven to rotate through the rotation of the angle wrench, so as to drive the movement of the adjusting rope; the two plugs are used for being matched with a drum shaft to be respectively connected with the angle wrench and the drum wheel;
the device also comprises an attraction module; the suction module is connected with a suction channel of the endoscope, and the suction module and the suction channel are at least partially positioned inside the shell;
the suction module comprises a suction control valve connected with and controlling the opening and closing of the suction channel; the rear end of the suction channel communicates with an outlet of the head end of the endoscope.
2. The endoscope operation section according to claim 1, wherein:
the two ends of the drum shaft are square; the drum wheel and the corner wrench are provided with square holes in the center; the drum shaft is respectively matched with square holes of the drum wheel and the bent angle wrench at two ends; the two ends of the drum shaft are internally provided with shaft connecting parts, the plugs are also provided with plug connecting parts, and the two plugs are respectively connected with the two ends of the drum shaft through the shaft connecting parts and the plug connecting parts so as to lock and fix the angle wrench and the drum.
3. The endoscope operation section according to claim 1, wherein: the side of the drum wheel is provided with a groove which is used as a track of the adjusting rope; the surface of the drum is provided with a through hole, and the adjusting rope is wound and fixed on the drum through the through hole; the drum is further provided with a notch at the end to allow the adjustment cord to enter the track from the notch after being secured to the drum.
4. The endoscope operation section according to claim 1, wherein: the drum cover having an interior cavity that mates with the drum shape to accommodate the drum; the drum housing has a cord passage on the sidewall to allow the adjustment cord to be led out of the housing.
5. The endoscope operation section according to claim 4, wherein: at least three through holes are arranged on the drum wheel.
6. The endoscope operation section according to claim 1, wherein: the drum is provided with a raised limit stop, and the drum cover is provided with a blocking piece for limiting the relative rotation amplitude of the drum and the drum cover.
7. The endoscope operation section according to claim 6, wherein: the blocking member includes at least one screw.
8. The endoscope operation section according to claim 1, wherein: the spacing between the inner side of the drum housing and the outer side of the drum is smaller than the diameter of the adjustment cord to prevent the adjustment cord from falling off.
9. The endoscope operation section according to claim 1, wherein:
the attraction control valve comprises a button, a spring, a base, a sliding rod and two sealing rings;
the main body of the base is of a cylindrical structure and comprises a first section with smaller inner diameter and a second section with larger inner diameter; the main body of the base comprises a first opening, a second opening and a third opening which are sequentially arranged in the direction from the first section to the second section; the first opening and the second opening are positioned on the first section, and the third opening is positioned on the second section; a second opening is used as an inlet of the suction control valve, and a third opening is used as an outlet of the suction control valve;
the sliding rod comprises a rod body and a positioning baffle plate vertically arranged at the end part of the rod body, the other end of the sliding rod is provided with a sliding rod connecting part, the button is provided with a button connecting part, and the sliding rod and the button are fixedly connected through the sliding rod connecting part and the button connecting part; a first sealing ring is arranged on the rod body to seal the rod body and the first section, and the first sealing ring is positioned above the first opening in an initial state; the upper part refers to a direction pointing from the second section to the first section;
in the initial state, the rod body is positioned in a first section of the base, the positioning baffle is positioned in a second section of the base, and the positioning baffle is tightly attached to the end face of the first section; the spring is positioned between the button and the base and is in a compressed state; the diameter of the rod body is smaller than the inner diameter of the first section.
10. The endoscope operation section according to claim 9, wherein:
the suction control valve further comprises an end cover connected to the base at one end close to the second section.
11. The endoscope operation section according to claim 9, wherein: the sliding rod connecting part and the button connecting part are both threaded.
12. The endoscope operation section according to claim 9, wherein: and a second sealing ring is further arranged on the rod body, and is positioned below the second opening in the initial state.
13. The endoscope operation section according to claim 1, wherein: the shell is internally provided with a button hole, the button is arranged on the shell through the button hole and at least partially extends out of the shell, and the pressing stroke of the button is limited by the outer side of the shell.
14. The endoscope operation section according to claim 1, wherein: the suction module further comprises a suction interface, one end of the suction interface is communicated with a suction pump positioned outside the shell, the other end of the suction interface is communicated with a suction channel positioned inside the shell, and the suction channel is connected with the suction pump so as to realize a suction function.
15. The endoscope operation section according to claim 1, wherein: the water injection device comprises a clamp base, a clamp plug and a water injection interface, wherein the clamp base, the clamp plug and the water injection interface are connected with each other, the clamp plug is connected with a quick joint through the clamp base, the water injection pump is connected with the quick joint, and the water injection interface is connected with a water injection channel of an endoscope.
16. The endoscope operation section according to claim 15, wherein: the shell is provided with a water injection hole communicated with the water injection module.
17. The endoscope operation section according to claim 15, wherein: the forceps channel base and the forceps channel plug are rubber parts and are used for fixing the quick connector in an extrusion mode and sealing the end face of the quick connector.
18. The endoscope operation section according to claim 1, wherein: at least one linear protrusion is arranged on the outer surface of the shell so as to increase the friction force during holding.
19. The endoscope operation section according to any one of claims 1 to 18, wherein: the operation part is a disposable operation part.
20. An endoscope having the endoscope operation section according to any one of claims 1 to 19, characterized in that: the device also comprises an adjusting rope, an elastic tube and snake bones; the elastic tube is at least partially positioned in the outer shell of the operation part;
the adjusting rope part is movably connected in the bent angle control module, enters the elastic tube to extend after coming out of the bent angle control module, and the tail end of the adjusting rope part is fixed at the front end of the snake bone; the tail end of the elastic tube is fixed at the rear end of the snake bone or a part connected with the rear end of the snake bone.
21. An endoscope as defined in claim 20, wherein: the elastic tube fixing piece is used for supporting the elastic tube; the elastic tube fixing piece is fixed on the shell.
22. An endoscope as defined in claim 20, wherein: the elastic tube is a spring tube; the elastic tube fixing piece is a spring tube fixing piece.
23. An endoscope as defined in claim 20, wherein: the adjusting rope is a steel wire rope.
24. An endoscope as defined in claim 20, wherein: also comprises a biopsy module and a biopsy pipeline; the biopsy module includes a biopsy inlet; the biopsy inlet communicates with the biopsy line.
25. An endoscope as defined in claim 24, wherein: the suction module is communicated with the biopsy module through a tee joint, one opening of the tee joint is communicated with the suction module, one opening is a biopsy inlet of the biopsy module, and the third opening is used as an outlet shared by the suction module and the biopsy module.
26. An endoscope as defined in claim 20, wherein: the endoscope comprises a water jet channel; the water jet channel is communicated with an outlet at the head end part of the endoscope.
27. An endoscope as defined in claim 20, wherein: the light guide plug is connected with the light guide hose;
the light guide hose is internally provided with a light guide beam and an image signal transmission cable;
the light guide plug is connected with the image processing equipment and the light source so as to realize the switching between the image signal and the light.
28. An endoscope as defined in claim 20, wherein: the endoscope further includes an insertion tube connected to the operation portion, a bending portion connected to the insertion tube, and a head end portion connected to the bending portion;
the insertion tube is internally provided with a light beam, an image transmission cable, a working channel, a water jet channel, an adjusting rope and a spring tube;
the snake bone is arranged in the bending part and is pulled by the adjusting rope so as to realize bending;
the head end is internally provided with an image sensor, a light guide beam, a working channel and a water jet hole.
29. An endoscope as defined in claim 28, wherein: the working channel is a channel shared by the suction module and the biopsy module.
30. An endoscope according to any of claims 20 to 29 and wherein: the endoscope is a disposable endoscope.
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| CN201710628405.3A CN107224260B (en) | 2017-07-28 | 2017-07-28 | Endoscope operation unit and endoscope |
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| CN201710628405.3A CN107224260B (en) | 2017-07-28 | 2017-07-28 | Endoscope operation unit and endoscope |
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| CN107224260B true CN107224260B (en) | 2023-09-08 |
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| CN108681060A (en) * | 2018-06-23 | 2018-10-19 | 南京槙澋机电科技有限公司 | A kind of hand-held electronically controlled bent angle video-endoscope convenient for assembly and disassembly |
| CN109793489A (en) * | 2019-03-26 | 2019-05-24 | 上海优益基医用材料有限公司 | Visualization positioning conduit |
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| CN109953736A (en) * | 2019-05-06 | 2019-07-02 | 南京法迈特科技发展有限公司 | Disposable full throwing formula endoscope |
| CN110575114B (en) * | 2019-09-18 | 2024-09-13 | 广州瑞派医疗器械有限责任公司 | Bending mechanism, bending control device, and endoscope |
| CN110652273A (en) * | 2019-10-30 | 2020-01-07 | 广州瑞派医疗器械有限责任公司 | Endoscope bending mechanism and endoscope bending device |
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| CN111387916A (en) * | 2020-04-24 | 2020-07-10 | 重庆金山医疗技术研究院有限公司 | Suction structure and endoscope operation part with same |
| CN112137565B (en) * | 2020-09-21 | 2022-10-14 | 深圳智信生物医疗科技有限公司 | Endoscope control handle and endoscope |
| CN112914478A (en) * | 2021-02-07 | 2021-06-08 | 珠海明象医用科技有限公司 | Flexible and bendable endoscope |
| CN118177697A (en) * | 2024-03-18 | 2024-06-14 | 北京吉佳微创医疗科技有限公司 | Novel intelligent endoscope device and information processing method |
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