CN110200576A - Disposable full throwing formula endoscope - Google Patents
Disposable full throwing formula endoscope Download PDFInfo
- Publication number
- CN110200576A CN110200576A CN201910672853.2A CN201910672853A CN110200576A CN 110200576 A CN110200576 A CN 110200576A CN 201910672853 A CN201910672853 A CN 201910672853A CN 110200576 A CN110200576 A CN 110200576A
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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
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
-
- 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
-
- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
The present invention provides a kind of disposable full throwing formula endoscopes, including sequentially connected pilot tip, bending section, hose sections and manipulation portion, and the camera set on pilot tip；Aqueous vapor pincers deferent and suction tube are equipped in pilot tip, bending section and hose sections；Aqueous vapor clamps deferent and air inlet pipe, water inlet pipe and pincers road fittings；Manipulation portion includes the course changing control component and valve member for controlling pilot tip and bending section direction of travel；Valve member includes the air valve for controlling air inlet pipe on-off, controls the water valve of water inlet pipe on-off and control the aspirating valve of suction tube on-off.Pilot tip, bending section, hose sections and the manipulation portion of disposable full throwing formula endoscope of the invention are disposable part, and without disinfection after use, the risk of cross-infection is not present in patient.Clamping deferent and water filling gas injection channel is all injection channel, and suction tube is individual passage, avoids the contaminated risk of sample, improves the accuracy of medical diagnosis on disease.
Description
Technical field
The present invention relates to the detecting instrument of medical instruments field, in particular to a kind of disposable full throwing formula endoscope.
Background technique
Endoscope is common detecting instrument in modern medicine diagnosis and treatment, can be entered with direct oral cavity in stomach or through other natural holes
Road enters in vivo, and the small notch that can be done with underwent operative enters in human body.Doctor can see that X-ray cannot be shown by endoscope
The lesion shown, it is highly useful to the diagnosis state of an illness.
Existing endoscope is all repeated endoscope or disposable half deserted endoscope.Half deserted endoscope includes
Reuse part and disposable part, the disposable endoscope as described in notification number CN105517480, including behaviour
Make control section (use repeatly part) and disposable part (the insertion intracorporal part of people).
Repeated endoscope is due to needing to reuse, and to avoid the cross-infection between patient, every endoscope makes
Stringent and complicated disinfectant program is all had to pass through after.According to the Ministry of Public Health promulgate related sterilizing operation specification, it is a set of in peep
Mirror needs the cleaning and disinfection treatment by 6~10 steps after use, at least 20 minutes time-consuming.Hospital also needs to set up specially
The disinfection room of door, and special washing equipment and corresponding decontamination personnel are equipped with, which further improves the uses of endoscope
Cost.Meanwhile in order to guarantee endoscope energy repeated disinfection and use, most of selection is all metalwork or other high temperature resistants
Plastic part, production cost it is higher.
Although disposable half deserted endoscope does not need to carry out disinfection to the part of insertion human body, but operation control portion point
It is use repeatly, it is still desirable to decontamination be carried out to it, if decontamination is not thorough, patient still has the wind of cross-infection
Danger.
The pincers deferent and suction tube of existing endoscope share the same cavity, in attractor during waste liquid, are easy
Pollution pincers deferent, sample is contaminated when the biopsy of the road Shi Congqian samples, and easily leads to error diagnosis.
Summary of the invention
The present invention provides it is a kind of it is disposable complete throw formula endoscope, one or more of to solve the above problems.
According to an aspect of the invention, there is provided a kind of disposable full throwing formula endoscope, including sequentially connected guide
End, bending section, hose sections and manipulation portion, and the camera set on pilot tip；In pilot tip, bending section and hose sections
It is equipped with aqueous vapor pincers deferent and suction tube；Aqueous vapor clamps deferent and air inlet pipe, water inlet pipe and pincers road fittings；Manipulation portion includes control
The course changing control component and valve member of pilot tip direction of travel processed；Valve member includes the gas for controlling air inlet pipe on-off
Valve, the water valve for controlling water inlet pipe on-off and the aspirating valve for controlling suction tube on-off.
Pilot tip, bending section, hose sections and the manipulation portion of disposable full throwing formula endoscope of the invention are disposable
The part used, without disinfection after use, the risk of cross-infection is not present in patient.Clamping deferent and water filling gas injection channel is all note
Enter channel, suction tube is individual passage, avoids the contaminated risk of sample, improves the accuracy of medical diagnosis on disease.
In some embodiments, water valve of the invention or aspirating valve include that the valve seat of tubbiness and one end are threaded through in valve seat
Spool；Valve seat lower sides are equipped with inlet and outlet；The lower sides of spool are equipped with annular groove；Inlet and outlet and valve seat
The distance of bottom is different, and the height of annular groove is greater than the difference in height of inlet and outlet and seat bottom portion.When spool is pulled to valve
Seat bottom, liquid is from import through annular groove to outlet, and when spool is pulled up, the channel that liquid is flowed in spool bottom is kept off
Firmly.
In some embodiments, air valve of the invention includes the valve seat of tubbiness and one end is threaded through spool in valve seat；
Valve seat lower sides are equipped with inlet and outlet；The lower sides of spool are equipped with annular groove；Inlet and outlet and seat bottom portion
Distance is different, and the height of annular groove is greater than the difference in height of inlet and outlet and seat bottom portion；Spool edge is axially arranged with through-hole；When
When import is connected to through-hole, import is not connected to outlet；When import and outlet, inlet and outlet and through-hole
It is not connected to.Spool is pulled to seat bottom portion, gas from import through annular groove to outlet, when spool is pulled up, spool
The channel of import to outlet is blocked, gas is discharged through the through-hole on spool.This design both can effectively control exit gas
On-off, operator can also the through-hole exit of spool feel front end air pump whether have gas supply, avoid maloperation.
In some embodiments, boss is equipped in the middle part of spool of the invention, the opening of valve seat is equipped with inside flange,
Boss is located at flange inner, and the outer diameter of boss is greater than the internal diameter of flange.Outer diameter is set on spool and is greater than the convex of seat flange internal diameter
Platform can limit the upward stroke of spool, avoid causing spool to be pulled out completely from valve seat due to overexerting etc..
In some embodiments, the upper lower edge of annular groove of the invention is equipped with O-ring seals.O-ring seals
Being arranged can prevent gas or liquid from leaking from the gap of spool and valve seat.
In some embodiments, the invention also includes one end against spool, the other end against valve seat elastomeric element.
In some embodiments, elastomeric element of the invention is pressure spring, and pressure spring is set in valve seat, is set in outside spool,
Circular step is equipped with inside valve seat, one end of pressure spring is against boss lower surface, and the other end is against the upper surface of circular step.In valve
Pressure spring is set between core and valve seat, and when being not required to inflate in vivo, operator looses one's grip, and spool can automatically reset, gas
The default conditions of valve, water valve or aspirating valve are to close.
In some embodiments, bending section of the invention includes multiple joints being mutually clamped；Joint include joint circle,
Opposite two card columns on an end face of joint circle, and opposite two cards on another end face of joint circle
Slot；Joint circle is equipped with the end face tool of one end of card slot there are two the protrusion being oppositely arranged, and card slot is located at the freedom of protrusion
End；The line of two card columns is perpendicular to the line of two card slots, and card slot is open type circle notch, and card column is cylindrical, card
Column is adapted to the shape of card slot and position, and the bore of card column is greater than the opening width of card slot；Upper axially opposed setting is enclosed in joint
There are two through-hole is drawn, traction through-hole is located on the line of two card columns.The card slot in joint is open type circle notch, and card column is
The card column in one joint can be directly caught in the card slot in adjacent joint when splicing bending section by cylindrical, will not
Make dysarthrasis, the frictional force of adjacent segment is small, and rotation is flexible.
In some embodiments, protrusion of the invention is in the shape of the letter V or semicircle.One end face of joint circle is arranged to
Two opposite V-shaped or semicircle, the angle that adjacent joint can be made to rotate increase, and can also make the movement of bending section more
Flexibly.
In some embodiments, course changing control component of the invention includes being arranged in pilot tip, bending section, hose sections
Two or so traction ropes and about two traction ropes, and control left and right traction rope tensioning and relaxation left and right turn adjust
Handle controls the steering release handle up and down of traction rope tensioning and relaxation up and down；One end and elder generation of left and right traction rope and upper and lower traction rope
Lead end connection；Left and right traction rope is two sections connected by the mutually matched nut of screw thread with screw, and upper and lower traction rope is logical
Cross two sections that the mutually matched nut of screw thread is connected with screw.Existing endoscope steering control device is complicated, using ratchet knot
Structure or gear (belt wheel) transmission mechanism etc., structure is complicated, at high cost.Course changing control component of the invention does not contain transmission mechanism,
Only left and right turn release handle and up and down steering release handle, reconciling component as tensioning using nut and screw keeps product structure simple
Single, cost reduces.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the endoscope of one embodiment of the present invention.
Fig. 2 is the schematic diagram of internal structure in the manipulation portion of the endoscope of one embodiment of the present invention.
Fig. 3 is the cross-section structure signal of the water valve or aspirating valve of the endoscope of one embodiment of the present invention in off position
Figure.
Fig. 4 be endoscope shown in Fig. 3 water valve or aspirating valve opening state the schematic diagram of the section structure.
Fig. 5 is the schematic diagram of the section structure of the air valve of the endoscope of one embodiment of the present invention.
Fig. 6 is the schematic diagram of the section structure of the air valve in opening state of endoscope shown in fig. 5.
Fig. 7 is the structural schematic diagram of the course changing control component of the endoscope of one embodiment of the present invention.
Fig. 8 is the partial cutaway schematic of the course changing control component of endoscope shown in Fig. 7.
Fig. 9 is the structural schematic diagram of the curvature section of endoscope of one embodiment of the present invention.
Figure 10 is the exploded structural schematic diagram of curvature section of endoscope shown in Fig. 7.
Figure 11 is partial splice's structural schematic diagram of curvature section of endoscope shown in Fig. 8.
Figure 12 be curvature section of endoscope shown in Fig. 9 in adjacent segment traction rope relaxed state positional relationship.
Figure 13 is that adjacent segment is closed in the position of a certain traction rope tensioning state in curvature section of endoscope shown in Fig. 9
System.
Figure 14 is the structural schematic diagram of the pilot tip of the endoscope of one embodiment of the present invention.
Figure 15 is the structural schematic diagram of the hose sections of the endoscope of one embodiment of the present invention.
Figure 16 is that disposable abandon entirely of the endoscope of one embodiment of the present invention is partially shown with the relationship of host machine part
It is intended to.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1 schematically shows a kind of structure of the endoscope of embodiment according to the present invention.
As shown in Figure 1, the endoscope includes sequentially connected pilot tip 10, bending section 20, hose sections 30 and manipulation portion
40, and set on the camera of pilot tip 10.Wherein pilot tip 10, bending section 20 and hose sections 30 are with human contact's
Part.The video signal transmission of camera 11 and external display can use wire transmission, can also be wireless using bluetooth etc.
Transmission.
Fig. 2 schematically shows a kind of internal structure in the manipulation portion of the endoscope of embodiment according to the present invention.
As shown in Fig. 2, the manipulation portion 40 of endoscope includes the course changing control component of control 10 direction of travel of pilot tip, with
And valve member.
Aqueous vapor pincers deferent 60 and suction tube 53 are equipped in pilot tip 10, bending section 20 and hose sections 30.Aqueous vapor clamps road
The road Guan60Yu Qian connector 54 is connected to.Air inlet pipe 51 inside the shell 45 in manipulation portion 40 and water inlet pipe 52 are set respectively through threeway
Connector 415 is connected to one end of water air pipe 55, and the other end of water air pipe 55 is connected to pincers road connector 54.Valve member includes control
The air valve 41 of 51 on-off of air inlet pipe, the water valve 42 for controlling 52 on-off of water inlet pipe and the aspirating valve 43 for controlling 53 on-off of suction tube.
One layer of casing is coated with outside bending section 20 and pilot tip 10, for preventing during surgery due to liquid or miscellaneous
The intrusion of matter and the risk for causing bending section 20 to be stuck.According to the indication of endoscope, aqueous vapor pincers deferent 60 can be selected interior
The elastic tube that diameter is 2.0 to 3.5mm, the low plastic tube of coefficient of friction can be selected in material, such as PTFE, PE or PP.Suction tube 53
For the plastic tube with toughness, the one of which of elasticity PVC, elasticity TPU and PTFE is can be selected in material.
Fig. 3 and Fig. 4 schematically shows that the water valve of the endoscope of one embodiment of the present invention or aspirating valve are closing
Close the cross-section structure with opening state.
As shown in Figure 3 and Figure 4, water valve 42 or aspirating valve 43 include valve seat 411 and spool 412.Valve seat 411 is in tubbiness, valve
The lower part of core 412 is threaded through in valve seat 411, and top is prominent outside valve seat 411.
411 lower sides of valve seat are equipped with import 4111 and outlet 4112.The lower sides of spool 412 are equipped with annular groove
4121.Import 4111 and outlet 4112 are different at a distance from 411 bottom of valve seat, and the height of annular groove 4121 is greater than import 4111
With the difference in height of outlet 4112 and seat bottom portion.
The upper lower edge of annular groove 4121 is provided with O-ring seals 414.The setting of O-ring seals 414 can prevent gas
Body or liquid are leaked from the gap of spool 412 and valve seat 411.
It is equipped with boss 4123 in the middle part of spool 412, the opening of valve seat 411 is equipped with inside flange 4113, and boss 4123
In 4113 inside of flange, the outer diameter of boss 4123 is greater than the internal diameter of flange 4113.Outer diameter is set on spool 412 and is greater than seat flange
The boss 4123 of 4112 internal diameters can limit the upward stroke of spool 412, avoid causing spool due to overexerting etc.
412 are pulled out from valve seat 411 completely.412 free end of spool is provided with bonnet 4124.
It is provided with the pressure spring 413 being set in outside spool 412 in valve seat 411, is equipped with circular step 4114 inside valve seat 411,
One end of pressure spring 413 is against 4123 lower surface of boss, and the other end is against the upper surface of circular step 4114.
Pressure spring 413 is set between spool 412 and valve seat 411, and operator looses one's grip, and spool 412 can automatically reset.Fig. 3
It show water valve 42 or aspirating valve 43 is in the state closed.Spool 412 is not by external force, and one end of pressure spring 413 is against boss
4123 lower surface, the other end are jacked up upwards against the upper surface of circular step 4114, by spool 412 to the upper table of boss 4123
Face is against the lower surface of flange 4113.The default conditions of water valve 42 or aspirating valve 43 are to close.
In other embodiments, pressure spring 413 or other elastomeric elements such as tension spring or cylinder.If water valve 42 is inhaled
Draw valve 43 and be not provided with elastomeric element for reset, can also be pushed away by operator, draw spool 412 to control water valve 42 or attract
The switch of valve 43.
When spool 412 is pulled to 411 bottom of valve seat, import 4111 is located at the lower part of annular groove 4121, exports 4112
In the top of annular groove 4121, import 4111 is connected to outlet 4112 by annular groove 4121, and liquid or gas are from import
4111 through annular groove 4121 to outlet 4111.
When spool 412 is pulled up, the channel that liquid or gas flow is blocked in 412 bottom of spool.This water valve 42 or
The structure of aspirating valve 43 is simple, flexible operation.
In the present embodiment, import 4111 is located below, and outlet 4112 is located above.In other embodiments, import
4111 can be interchanged with the position for exporting 4112.
Fig. 5 and Fig. 6 schematically shows that the air valve of the endoscope of one embodiment of the present invention is being closed and opened
The cross-section structure of state.
As shown in Figure 5 and Figure 6, air valve 41 includes valve seat 411 and spool 412.Valve seat 411 is in tubbiness, the lower part of spool 412
It is threaded through in valve seat 411, top is prominent outside valve seat 411.
411 lower sides of valve seat are equipped with import 4111 and outlet 4112.The lower sides of spool 412 are equipped with annular groove
4121.Import 4111 and outlet 4112 are different at a distance from 411 bottom of valve seat, and the height of annular groove 4121 is greater than import 4111
With the difference in height of outlet 4112 and seat bottom portion.Edge is axially arranged with through-hole 4122 on spool 412.When import 4111 and through-hole 4122
When connection, import 4111 is not connected to outlet 4112；When import 4111 is connected to outlet 4112,4111 He of import
Outlet 4112 is not connected to through-hole 4122.
The upper lower edge of annular groove 4121 is equipped with O-ring seals.The setting of O-ring seals 413 can prevent gas from
It is leaked in the gap of spool and valve seat.
It is equipped with boss 4123 in the middle part of spool 412, the opening of valve seat 411 is equipped with inside flange 4113, and boss 4123
In 4113 inside of flange, the outer diameter of boss 4123 is greater than the internal diameter of flange 4113.Outer diameter is set on spool 412 and is greater than seat flange
The boss 4123 of 4112 internal diameters can limit the upward stroke of spool 412, avoid causing spool due to overexerting etc.
412 are pulled out from valve seat 411 completely.412 free end of spool is provided with bonnet 4124.
When spool 412 is pulled to 411 bottom of valve seat, gas from import 4111 through annular groove 4121 to outlet 4112, when
Spool 412 is pulled up, and the O-ring seals of 412 bottom of spool and the downside of annular groove 4121 are by import to the channel exported
It blocks, gas is discharged through the through-hole on spool.This design both can effectively control the on-off of exit gas, and operator can also be with
Feel whether front end air pump has gas supply in 4122 exit of through-hole of spool, avoids maloperation.
It is provided with the pressure spring 413 being set in outside spool 412 in valve seat 411, is equipped with circular step 4114 inside valve seat 411,
One end of pressure spring 413 is against 4123 lower surface of boss, and the other end is against the upper surface of circular step 4114.When not needing to internal
When inflating, operator looses one's grip, and spool 412 can automatically reset under the action of pressure spring 412, and the default conditions of air valve 41 are
It closes.Fig. 5 show valve and is in the state closed.Spool 412 is not by external force, and one end of pressure spring 413 is under boss 4123
Surface, the other end are jacked up to the upper surface of boss 4123 against convex upwards against the upper surface of circular step 4114, by spool 412
The lower surface of edge 4113.
As shown in fig. 6, air valve 41 is in the open state when spool 412 is pulled to 411 bottom of valve seat.At this point, import 4111
Positioned at the lower part of annular groove 4121, outlet 4112 is located at the top of annular groove 4121, and import 4111 does not connect with through-hole 4122
Logical, import 4111 is connected to outlet 4112 by annular groove 4121, and gas is from import 4111 through annular groove 4121 to outlet
4112, and the barrier of the O-ring seals 414 due to 4121 lower section of annular groove, gas will not enter through-hole 4122.
For disposably abandoning endoscope entirely, air valve 41, the valve seat of water valve 42 and aspirating valve 43 and spool all can be moulded
The bonnet 4124 of materials and parts, air valve 41, water valve 42 and aspirating valve 43 is located at outside the shell 45 in manipulation portion 40, valve seat 411 and spool
412 are arranged inside shell 45, control air inlet pipe 51, water inlet pipe 52 or suction tube 53 by pressing bonnet 4124 convenient for operator
On-off.
Two or so traction ropes 712 and about two tractions are equipped in pilot tip 10, bending section 20 and hose sections 30
Rope 722.One end of left and right traction rope 712 is connect with pilot tip 10, and the other end is connect with left and right turn release handle 71, left/right rotation
To release handle 71 by the tensioning and relaxation of control left and right traction rope 712, to control 20 left and right rows of pilot tip 10 and bending section
Into direction.One end of upper and lower traction rope 722 is connect with pilot tip 10, and the other end is connect with the upper and lower release handle 72 that turns to, up and down
Release handle 72 is turned to by the tensioning and relaxation of traction rope 722 above and below controlling, to control pilot tip 10 and about 20 bending section
Direction of travel.
Fig. 7 and Fig. 8 schematically shows the structure of the course changing control component of the endoscope of one embodiment of the present invention.
As shown in fig. 7, it is two sections that left and right traction rope 712, which is divided to, one section of connection left and right turn release handle 71 and nut 73 are another
Section, which is threaded through attachment screw 74 and pilot tip 10, operator in bending section 20 and hose sections 30, can pass through rotating adjusting nut
73 and screw 74 come the phenomenon that adjusting the tension of left and right traction rope 712, avoid the occurrence of idle stroke.It is two that upper and lower traction rope 722, which is divided to,
Section, one section of connection turn to release handle 72 and nut 73 up and down, and another section is threaded through attachment screw in bending section 20 and hose sections 30
74 and pilot tip 10, operator the tension of upper and lower traction rope 722 can be adjusted by rotating adjusting nut 73 and screw 74,
The phenomenon that avoiding the occurrence of idle stroke.
As shown in figure 8, the output end in left and right turn release handle 71 is provided with left and right adjusting wheel 711, adjusted in upper and lower turn to
The output end of section handle 72 is provided with up and down adjustment wheel 721.One end of two or so traction ropes 712 respectively with left and right adjusting wheel 721
Connection, position are opposite.One end of about two traction ropes 722 is connect with up and down adjustment wheel 721 respectively, and position is opposite.
Left and right adjusting wheel 711 is arranged with up and down adjustment wheel 721, and left and right adjusting wheel 711 and up and down adjustment wheel 721 are along same axis
Line rotation.It is had the gap between left and right adjusting wheel 711 and up and down adjustment wheel 721, to guarantee respectively independent rotation.Left and right adjusting wheel
711 axial slices are T-shaped, and left and right adjusting wheel 711 and shaft 713 are integrally formed, and left and right turn release handle 71 and shaft 713 are logical
It crosses threaded connection or screw thread glue is adhesively fixed.Screw thread glue can also be passed through by turning to release handle 72 and up and down adjustment wheel 721 up and down
Water is adhesively fixed, and this design is easily installed.
It can be by unscrewing in advance or tightening nut 73 and screw 74 adjust the tension of every traction rope, when rotation is left
When right turn release handle 71, one or so traction rope 712 is in relaxed state, and another or so traction rope 712 is in tensioning shape
State can pull pilot tip 10 to rotate to the left or to the right.When rotation turns to release handle 72 up and down, about one traction rope
722 are in relaxed state, and about another traction rope 722 is in tensioning state, can pull pilot tip 10 upward or downward
Rotation.
The outer diameter of left and right adjusting wheel 711 and up and down adjustment wheel 721 can be consistent, and operator is in manipulation left and right adjusting and up and down
More consistent feel can be kept when adjusting.
The outer diameter of left and right turn release handle 71 can be less than the outer diameter for turning to release handle 72 up and down, and operator leans on feel
It differentiates left and right turn release handle 71 and turns to release handle 72 up and down.
The tie point of two or so traction ropes 712 and about two traction ropes 722 and pilot tip 10 is evenly distributed on one
On a circumference, two-by-two relatively.The diameter of four traction ropes is relatively thin, it is flexible preferably, by multiply diameter 0.02-0.05mm it
Between wire weave.The fixed form of traction rope can be bonded or be knotted with glue fixed etc..
Left and right turn release handle 71 and left and right adjusting wheel 711, and release handle 72 and up and down adjustment wheel 721 are turned to up and down
It can be plastic part.
The outer of the shell 45 in the manipulation portion 40 of endoscope is arranged in left and right turn release handle 71 and upper and lower steering release handle 72
Side.Left and right adjusting wheel 711 and up and down adjustment wheel 721 and left and right traction rope 712 and upper and lower traction rope 722 are arranged in shell 45
It is internal.
When rotating left and right turn release handle 71, one or so traction rope 712 is in relaxed state, another or so traction
Rope 712 is in tensioning state, and pilot tip 10 can be pulled to rotate to the left or to the right.When rotation turns to release handle 72 up and down,
About one traction rope 722 is in relaxed state, and about another traction rope 722 is in tensioning state, can pull guide end
Portion 10 rotates upward or downward.
Fig. 9~11 schematically show the structure of the curvature section of endoscope of one embodiment of the present invention.
As shown in Fig. 9~11, bending section 20 is the joint assembly that multiple joints 21 being mutually clamped form, the joint assembly
Both ends be connected respectively with pilot tip 10 and hose sections 30.
Joint 21 includes that 210, two card columns 211 and two card slots 212 are enclosed in joint.
Two card columns 211 are oppositely arranged on an end face of joint circle 210, and two card slots 212 are oppositely arranged on joint
On another end face of circle 210.For the line of two card columns 211 perpendicular to the line of two card slots 212, card slot 212 is open type
Semicircular notch, card column 211 are cylindrical, and card column 211 is adapted to the shape of card slot 212 and position.
The inner wall of joint circle 210 is axially disposed there are two through-hole 213 is drawn, and traction 213 position of through-hole is opposite, and is located at
On the line of two card columns 211.The card slot 212 in joint 21 is open type circle notch, and card column 211 is cylindrical, card column 211
Diameter be slightly larger than card slot 212 opening width.
When splicing snake bone structure, 211 vertical pressing of card column in a joint 21 directly can be entered into adjacent pass
The card slot 212 of section 21 is attached, and the snap fit of this vertical pressing will not make joint circle 210 generate transversely deforming, and
It is easy for installation.Traction rope can be threaded through in traction through-hole 213.In other embodiments, traction through-hole 213 also can be set
The outer wall of joint circle 210.
Traction through-hole 213 is cylindrical in shape, positioned at the inner wall of joint circle 210, extends the one of joint circle 210 by joint circle 210
A end face, card column 211 are set to the lateral surface of traction 213 free end of through-hole.This set makes card column 211 away from the end of joint circle 210
There is certain distance in face, can increase the space of two adjacent 21 relative rotation of joint.
There are two the protrusion 214 being oppositely arranged, card slots 212 for the end face tool of 210 one end equipped with card slot 212 of joint circle
Positioned at the free end of protrusion 214.The angle that this set can be such that adjacent joint 21 rotates increases, and can also make She Gujie
The movement of structure is more flexible.End face equipped with card column 211 can be plane.In the present embodiment, protrusion 214 is in the shape of the letter V, V word
The angle of shape and the quantity in joint 21 determine the angle of turn size of snake bone structure.In other embodiments, protrusion 214
It can be with semicircular in shape.
Joint 21 can be integrated injection molding structure, and product quality is light and low in cost.
Figure 12 schematically shows that adjacent segment is in traction rope relaxed state in curvature section of endoscope shown in Fig. 9
Positional relationship.
As shown in figure 12, when traction rope is in relaxed state, adjacent two joint 21 in bending section 20
Joint circle 210 is parallel to each other, and snake bone structure does not bend at this time, and the pilot tip for being connected to snake bone structure front end does not also change
Direction.
Figure 13 schematically shows that adjacent segment is in a traction rope tensioning shape in curvature section of endoscope shown in Fig. 9
The positional relationship of state.
As shown in figure 13, when a certain traction rope tensioning being threaded through in joint 21, a joint 21 is along its card column 211
The angle of axial-rotation, the joint circle 210 in adjacent joint 21 becomes smaller.When multiple joints 21 relative to adjacent joint 21 along it
When the axial-rotation of card column 211, bending is realized in bending section 20.
The joint tail end 23 of joint assembly and hose sections 30 are bonded by glue, realize the rigid of bending section 20 and hose sections 30
Property connection, the planar ends of the joint circle 210 of joint tail end are equipped with projective structure 23 for connecting hose sections 30.Traction rope is solid
Reservation 22 is located at 20 front end of bending section, step surface and pilot tip 10 connection of traction rope fixing seat 22, traction rope fixing seat 22
Tail end connected by buckle with joint assembly, realization bending section 20 and pilot tip 10 are located by connecting.Outside bending section 20
It can be arranged smooth resilient film, the material is soft, and has certain retractility, the edge cap of front end and pilot tip 10
101 can be bonded by glue, realize the sealing of bending section 20.
Figure 14 schematically shows the structure of the pilot tip of the endoscope of one embodiment of the present invention.
As shown in figure 14, pilot tip 10 is equipped with aqueous vapor pincers deferent 6 and suction tube 7, front end are additionally provided with camera 11.
Camera 11 can use COMS camera module, and CMOS camera component includes a camera and several
COMS camera module existing on the market can be selected in LED light, for matured product, price are lower on the market.COMS camera mould
Group is connect by video line with display 80.Video line can select multistrand shielding wire, the transmission and shielding for vision signal.
Pilot tip 10 further include the edge cap 101 of hollow structure, in edge cap 101 and with bending section 20 connect
Connect the traction rope fixing seat for fixed tractive.Four traction ropes can be fixed on traction rope fixing seat by glue.
Edge cap 101 is plastic part, and polytetrafluoroethylene (PTFE) or PEEK material can be selected, and COMS CCD camera assembly 102 attracts
Pipe 7 and aqueous vapor pincers deferent 6 are fixed by glue bonding and edge cap 101.
Figure 15 schematically shows the structure of the hose sections of the endoscope of one embodiment of the present invention.
As shown in figure 15, which includes hose fixing seat 301 and composite soft tube 302, which is three
Layer structure, the composite soft tube 302 include outer tube 303, woven tube 304 and the inner sleeve 305 that ecto-entad is successively arranged, wherein
The elastic TPU that the elasticity and toughness having can be selected in outer tube 303 and inner sleeve 305 is managed, and the bullet having can be selected in inner sleeve 305
Property and toughness flexible silicon sebific duct, woven tube 304 be stainless steel woven tube, in order to guarantee the flexibility of hose sections, single establishment silk
Diameter between 0.05-0.2mm.Hose fixing seat 301 and composite soft tube 302 are adhesively fixed by glue, hose fixing seat
301 are equipped with boss for being connected with the shell in manipulation portion 40.
Figure 16 schematically shows that the disposable of the endoscope of one embodiment of the present invention abandons part and host entirely
Partial relationship.
As shown in figure 16, tail card 50 can also be set in the end in manipulation portion 40.Tail card 50 be equipped with air valve 41 into
Air inlet, the suction port with the water inlet of the inlet communication of water valve 42 and the outlet of aspirating valve 43 of mouth connection, Yi Jiyu
The video wire terminal that camera 11 connects.If vision signal by being wirelessly transferred, can be not provided with video line on tail card 50 and connect
Head.
When needing using endoscope of the invention, the video wire terminal on tail card 50 is connect with display 80, will be inhaled
Draw mouth to be connected to by suction pump 82 with suction bottle 81, water inlet is connected to by water pump 85 with water bottle 83, air inlet is successively led to
Pressure regulator valve 88, buffering gas tank 87 and air pump 86 is crossed to be connected to gas tank 84.
The effect of suction pump 82 is to attract intestinal juice that pilot tip 10 touches or gastric juice etc. by vacuum suction mode
Into suction bottle 81.Water bottle 83 stores physiological saline, and the physiological saline in water bottle 83 is injected into human body by water pump 85.Gas
Pump 86 is by the gas injection in gas tank 84 into human body, and the effect of buffering gas tank 87 is that air pressure is unstable when preventing gas from exporting
It is fixed.The air valve that gentle qi of chong channel ascending adversely tank 87 connects is pressure regulator valve 88, and pressure regulator valve 88 will not be too for controlling the air pressure being output in tracheae
It is high or too low.The spool of aspirating valve 43 is pressed downwards, then attraction channel is opened；The spool of water valve 42 is pressed downwards, then water route is unimpeded；To
Under press the spool of air valve 41, then gas circuit is unimpeded；Each valve default is in close state.Pincers road junction is that the road biopsy Shi Qian connector 54 arrives
The entrance of pilot tip 10, when without sampling, pincers road junction is closed.
Pilot tip 10, bending section 20, hose sections 30 are sequentially inserted into vivo, the video image that front end camera 11 is shot
It is shown on display 80, operator observes the video image shown on display 80, by operating left and right turn release handle 71
The direction of advance that pilot tip 10 is controlled with the upper and lower tensioning for turning to the adjusting traction rope of release handle 72 and relaxation, passes through and operates gas
Valve 41 controls the on-off of gas, and the on-off to be supplied water by the operation control of water valve 42 controls bodily waste by operation aspirating valve 43
The on-off of extraction.
When endoscope use finishes, pipeline, the video line on tail card 50 with external connection are pulled out i.e. replaceable new one
Secondary property endoscope.
Part used in the present invention is substantially all as plastic part, can be made up of injection molding or extrusion processing, product weight
Amount is light, convenient for operation；The product structure medical endoscope more used than currently on the market has been simplified very much, and it is some unnecessary to eliminate
Function, reduce the quantity of product component, significantly reduce cost.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. disposable complete throw formula endoscope characterized by comprising sequentially connected pilot tip (10), bending section (20), soft
Pipe portion (30) and manipulation portion (40), and it is set to the camera (11) of the pilot tip (10)；
Aqueous vapor pincers deferent (60) and suction tube are equipped in the pilot tip (10), bending section (20) and hose sections (30)
(53)；
Aqueous vapor pincers deferent (60) are connected to air inlet pipe (51), water inlet pipe (52) and pincers road connector (54)；
The manipulation portion (40) includes the course changing control component and valve group for controlling pilot tip (10) direction of travel
Part；
The valve member includes the air valve (41) for controlling air inlet pipe (51) on-off, control water inlet pipe (52) on-off
The aspirating valve (43) of water valve (42) and control suction tube (53) on-off.
2. endoscope according to claim 1, which is characterized in that the water valve (42) or aspirating valve (43) include tubbiness
Valve seat (411) and one end are threaded through the spool (412) in valve seat；
Valve seat (411) lower sides are equipped with import (4111) and outlet (4112)；
The lower sides of the spool (412) are equipped with annular groove (4121)；
The import (4111) and outlet (4112) are different at a distance from seat bottom portion, and the height of the annular groove (4121) is big
In the difference in height of the import (4111) and outlet (4112) and seat bottom portion.
3. endoscope according to claim 1, which is characterized in that the air valve (41) include tubbiness valve seat (411) and
One end is threaded through the spool (412) in valve seat；
Valve seat (411) lower sides are equipped with import (4111) and outlet (4112)；
The lower sides of the spool (412) are equipped with annular groove (4121)；
The import (4111) and outlet (4112) are different at a distance from seat bottom portion, and the height of the annular groove (4121) is big
In the difference in height of the import (4111) and outlet (4112) and seat bottom portion；
Spool (412) edge is axially arranged with through-hole (4122)；
When import (4111) is connected to through-hole (4122), import (4111) is not connected to outlet (4112)；Work as import
(4111) when connection with outlet (4112), import (4111) and outlet (4112) are not connected to through-hole (4122).
4. endoscope according to claim 2 or 3, which is characterized in that be equipped with boss in the middle part of the spool (412)
(4123), the opening of the valve seat (411) is equipped with inside flange (4113), and the boss (4123) is located at the flange
(4113) inside, the outer diameter of the boss (4123) are greater than the internal diameter of the flange (4113).
5. endoscope according to claim 2 or 3, which is characterized in that the upper lower edge of the annular groove (4121) is all provided with
There are O-ring seals (414).
6. endoscope according to claim 2 or 3, which is characterized in that further include one end against the spool (412), another
Elastomeric element of the one end against the valve seat (411).
7. endoscope according to claim 6, which is characterized in that the elastomeric element is pressure spring, and pressure spring (413) is set to institute
It states in valve seat (411), be set in the spool (412) outside, be equipped with circular step (4114) inside the valve seat (411), it is described
One end of pressure spring (413) is against the boss (4123) lower surface, upper surface of the other end against the circular step (4114).
8. endoscope according to claim 1, which is characterized in that the bending section (20) includes multiple passes being mutually clamped
It saves (21)；
The joint (21) includes joint circle (210), opposite two card columns on an end face of joint circle (210)
(211), two card slots (212) and being relatively set on another end face of joint circle (210)；
There are two the protrusion being oppositely arranged, card slots for the end face tool of the described one end of joint circle (210) equipped with card slot (212)
(212) it is located at the free end of protrusion；
For the line of two card columns (211) perpendicular to the line of two card slots (212), the card slot (212) is opening
Formula circle notch, the card column (211) are cylindrical, and the card column (211) is adapted to the shape of card slot (212) and position,
The bore of card column (211) is greater than the opening width of card slot (212)；
There are two through-hole (213) are drawn, the traction through-hole (213) is located at for axially opposed setting on the joint circle (210)
On the line of two card columns (211).
9. endoscope according to claim 8, which is characterized in that the protrusion is in the shape of the letter V or semicircle.
10. endoscope according to claim 1, which is characterized in that the course changing control component includes being arranged in the elder generation
Lead end (10), bending section (20), hose sections (30) two or so traction ropes (712) and about two traction ropes (722), with
And the left and right turn release handle (71) of control left and right traction rope (712) tensioning and relaxation, control the traction rope up and down
(722) release handle of steering up and down (72) for being tensioned and relaxing；
One end of the left and right traction rope (712) and upper and lower traction rope (722) is connect with the pilot tip (10)；
The left and right traction rope (712) is two sections connected by the mutually matched nut of screw thread (73) and screw (74), described
Upper and lower traction rope (722) is two sections connected by the mutually matched nut of screw thread (73) and screw (74).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370480.3A CN109953736A (en) | 2019-05-06 | 2019-05-06 | Disposable full throwing formula endoscope |
| CN2019103704803 | 2019-05-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110200576A true CN110200576A (en) | 2019-09-06 |
| CN110200576B CN110200576B (en) | 2020-10-16 |
Family
ID=67027080
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370480.3A Pending CN109953736A (en) | 2019-05-06 | 2019-05-06 | Disposable full throwing formula endoscope |
| CN201910672867.4A Pending CN110200577A (en) | 2019-05-06 | 2019-07-24 | The valve and endoscope of endoscope |
| CN201921178186.4U Active CN210961877U (en) | 2019-05-06 | 2019-07-24 | Valve of endoscope and endoscope |
| CN201921179146.1U Active CN211299876U (en) | 2019-05-06 | 2019-07-24 | Disposable full-throw endoscope |
| CN201921178209.1U Active CN211022548U (en) | 2019-05-06 | 2019-07-24 | Snake bone structure of endoscope and endoscope |
| CN201921179137.2U Active CN211130960U (en) | 2019-05-06 | 2019-07-24 | Endoscope steering adjustment mechanism and endoscope |
| CN201910672853.2A Active CN110200576B (en) | 2019-05-06 | 2019-07-24 | Disposable full-throw endoscope |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370480.3A Pending CN109953736A (en) | 2019-05-06 | 2019-05-06 | Disposable full throwing formula endoscope |
| CN201910672867.4A Pending CN110200577A (en) | 2019-05-06 | 2019-07-24 | The valve and endoscope of endoscope |
| CN201921178186.4U Active CN210961877U (en) | 2019-05-06 | 2019-07-24 | Valve of endoscope and endoscope |
| CN201921179146.1U Active CN211299876U (en) | 2019-05-06 | 2019-07-24 | Disposable full-throw endoscope |
| CN201921178209.1U Active CN211022548U (en) | 2019-05-06 | 2019-07-24 | Snake bone structure of endoscope and endoscope |
| CN201921179137.2U Active CN211130960U (en) | 2019-05-06 | 2019-07-24 | Endoscope steering adjustment mechanism and endoscope |
Country Status (1)
| Country | Link |
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| CN (7) | CN109953736A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI777396B (en) * | 2021-01-29 | 2022-09-11 | 施長碧 | new endoscope |
| CN115120167A (en) * | 2022-08-31 | 2022-09-30 | 苏州科沁微视医疗器械有限公司 | Medical endoscope |
| CN117137574A (en) * | 2023-08-25 | 2023-12-01 | 广州医科大学附属第一医院（广州呼吸中心） | Initiative bendable guiding sheath tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111297306A (en) * | 2019-12-05 | 2020-06-19 | 重庆金山医疗技术研究院有限公司 | Suction assembly for endoscope and endoscope |
| CN112890737B (en) * | 2020-11-20 | 2022-08-23 | 瑞惜康(苏州)医疗科技有限公司 | Firm in connection's anticreep snake bone |
| CN114224264A (en) * | 2021-12-08 | 2022-03-25 | 深圳英美达医疗技术有限公司 | Novel disposable endoscope and manufacturing method thereof |
| CN114376495A (en) * | 2021-12-22 | 2022-04-22 | 常州延顺光电科技有限公司 | Two-way bent snake bone device of disposable medical endoscope |
| CN114403781A (en) * | 2021-12-22 | 2022-04-29 | 常州延顺光电科技有限公司 | Snake bone device with four-direction bent angles for disposable medical endoscope |
| KR20230137126A (en) * | 2022-03-21 | 2023-10-04 | 재단법인 아산사회복지재단 | Multi joint flexible device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110200577A (en) | 2019-09-06 |
| CN211130960U (en) | 2020-07-31 |
| CN210961877U (en) | 2020-07-10 |
| CN110200576B (en) | 2020-10-16 |
| CN109953736A (en) | 2019-07-02 |
| CN211022548U (en) | 2020-07-17 |
| CN211299876U (en) | 2020-08-21 |
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