CN107361824A - A kind of sheath and its processing method for endoscope - Google Patents
A kind of sheath and its processing method for endoscope Download PDFInfo
- Publication number
- CN107361824A CN107361824A CN201710620591.6A CN201710620591A CN107361824A CN 107361824 A CN107361824 A CN 107361824A CN 201710620591 A CN201710620591 A CN 201710620591A CN 107361824 A CN107361824 A CN 107361824A
- Authority
- CN
- China
- Prior art keywords
- sheath
- positioning hole
- pipe
- inclined plane
- clock position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3437—Cannulas with means for removing or absorbing fluid, e.g. wicks or absorbent pads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention belongs to operating theater instruments sheath technical field, a kind of sheath for endoscope, including body, body include the first sheath and the second sheath；First sheath and the second sheath are detachably connected；The both ends of first sheath are respectively equipped with an inclined plane, and it with the axial direction of the first sheath is in 55 80 ° of angles that the gradient of the inclined plane, which is,；The wherein one end of second sheath or both ends end are provided with an inclined plane, and it with the axial direction of the second sheath is in 55 80 ° of angles that the gradient of inclined plane, which is,；Positioning hole is offered respectively in the side wall at the both ends of the first sheath；The material of first sheath is stainless steel pipe, and positioning hole is offered respectively in the side wall at the both ends of the second sheath；The material of second sheath is translucent polypropylene pipe.The sheath has good flexing resistance, and clock positioning hole is set in sheath, can increase the direction positioning function of endoscope, can be drained, rinsed and void urine etc. using positioning hole again, and the processing method of the sheath is simple, good product quality.
Description
Technical field
The invention belongs to operating theater instruments sheath technical field, and in particular to a kind of sheath and its processing side for endoscope
Method.
Background technology
Medical endoscopes sheath is a kind of important form of endoscope sheath practical application.Specifically, endoscope sheath by
It is investigated as body operation wound formula percutaneous passage sheath, body operation hurtless measure formula nature channel sheath, people's intracorporeal organ passage branch
Frame sheath, arteriovenous sheath, tissue expander etc..
It is hydrophilic coating endoscope sheath of the prior art, hydrophilic coating ureter conveying sheath, ureter push sheath, opaque
Ureter sheath, transparent ureter sheath, puncture outfit, fascia dilator, can be with the ring-like bending soft sheath of ureteroscope and other hands
For the ureterorenoscope sheath of art apparatus using generally, various sheath heads are the cast opening of flat mouth and various sheath head openings and tube wall side
Face is 90 °, the thickness of pipe wall of ureter sheath is 0.25mm, ureter sheath inner core expander front end is taper F6 gradual changes to thick.
Wherein, when ureter sheath operates indwelling one sheath for endoscope by with drain various liquid, ureter sheath
Body can form certain bending.There is loop type metal in ureter sheath tube body wall, need to add in sheath tube wall in the preparation.System
Need to add some hydrophilic coating materials during standby ureter sheath needs a guiding on ureter sheath tube wall, and in ureter sheath
Inner core expander could be used in art, it is higher to prepare disposable ureter sheath operating theater instruments cost.Therefore so that surgical device
The preparation cost of the ureter sheath of tool is higher, so as to which the surgery cost cost correspondingly made increases.
Further, since when ureter sheath operates with front end without clock witness marker easily lose operation direction, place it is defeated
Need after placing the more expensive guiding seal wire of cost ureter sheath could be guided to enter ureter sheath during urinary catheter sheath, add operation material
Material expense and the time for increasing operation technique.Furthermore reduced during operation according to the length being actually needed and cut end ureter sheath
Loop type metal is difficult, the ureter sheath outer wall of hydrophilic coating meets water in operation technique and forms skating, does not meet viscous gloves during water.Put
Put ureter sheath needs the monitoring of x lines is lower to carry out often, and the x line absorption amounts that can increase patient and medical worker cause radiation injury,
If placing ureter sheath in the case where being monitored without using x-ray, injury of ureter is not easy to be found.And existing ureter sheath is only
The urine and flushing liquor of unilateral kidney can be drained, the ureter sheath of hardness deficiency and each natural passage of human body are bent to form nature
Passive camber line, influences surgical instrument operation, ureter sheath using when only have single tube single-chamber road to be operated can not be with operation needs
Carry out increasing or decreasing ureter sheath quantity, existing ureter sheath controls flexible endoscope for soft kind of the oscillatory that can not carry out
The object lens of front end the shortcomings of being performed the operation, cause using existing ureter sheath to be operated performance bad.
The content of the invention
For deficiency of the prior art, it is an object of the invention to provide a kind of sheath for endoscope and its processing
Method.The sheath can improve the straight tube oscillatory of operating theater instruments, sheath is had good flexing resistance, meanwhile, in sheath
Clock positioning hole is set, can both increase the direction positioning function of endoscope, can be drained again using positioning hole, rinse and
Void urine etc., the cavity pressure of operative site can be reduced, reduce the damage of tissue.
In order to solve the above technical problems, technical scheme is as follows：
A kind of sheath for endoscope, including body, the body include the first sheath and the second sheath；Described first
Sheath and the second sheath are detachably connected；The both ends of first sheath are respectively equipped with an inclined plane, the inclination of the inclined plane
It with the axial direction of first sheath is in 55-80 ° of angle that degree, which is,；The wherein one end of second sheath or both ends end are provided with
One inclined plane, it with the axial direction of second sheath is in 55-80 ° of angle that the gradient of the inclined plane, which is,；First sheath
Positioning hole is offered respectively in the side wall at both ends；The material of first sheath is stainless steel pipe, first sheath it is interior
Surface is coated with light-absorption layer；Positioning hole is offered respectively in the side wall at the both ends of second sheath；The material of second sheath
Expect for translucent polypropylene pipe.
Further, the first sheath pipe range 90-395mm；The external diameter of first sheath is 4.0-6.0mm, and internal diameter is
3.6-5.6mm；The forward and backward both ends of first sheath 9 o'clock position and 12 o'clock position on offer positioning hole；It is described
The positioning hole of first sheath front end is arranged at distance the first sheath front end surface 1-5mm；The positioning of the first sheath rear end
Hole is arranged at the end face 1-5mm of distance the first sheath rear end；A diameter of 1.0-2.2mm of the positioning hole；First sheath
Leading section inwardly close up；The gradient of the inclined plane is that the axial direction inclined with first sheath is in 61-79 ° of angle.
Further, the first sheath pipe range 395mm；The external diameter of first sheath is 4.8mm, internal diameter 4.4mm；Institute
State a diameter of 2mm of positioning hole；The gradient of the inclined plane is that the axial direction inclined with first sheath is in 77 ° of angles.
Further, second sheath is straight pipe type, and the length of second sheath is 250-460mm；Described second
The external diameter of sheath is 4.6-6.7mm, internal diameter 4.3-6.1mm；The 9 o'clock position and 12 o'clock position of the second sheath front end
On offer positioning hole；The positioning hole of second sheath front end is arranged at body front end surface 10-12mm；After second sheath
The positioning hole at end is arranged at the end face 10-12mm of body rear end；A diameter of 1-2.2mm of the positioning hole；Described second
The axis direction of sheath one end is provided with some 1-5cm tear line；The gradient of the inclined plane is and second sheath
The axial direction that pipe inclines is in 60-79 ° of angle.
Further, the second sheath pipe range 460mm；The external diameter of second sheath is 5.1mm, internal diameter 4.7mm；Institute
The axis direction for stating second sheath one end is provided with some 1.5cm tear line；The gradient of the inclined plane be with it is described
The axial direction that second sheath is inclined is in 77 ° of angles.
Further, second sheath is funnel type, the length 250-460mm of second sheath；Second sheath
The external diameter of the front end 2-8mm section sheaths of pipe is 2.8-5.5mm, and internal diameter is that to fade to external diameter be 4.6-6.7mm to 3.0-5.3mm, interior
Footpath is 4.3-6.1mm, and the cast of transition is funnel type, and the length of transition is 3 o'clock of the second sheath rear and front end
Positioning hole is offered on position, 6 o'clock position, 9 o'clock position and 12 o'clock position, the positioning hole of the second sheath front end is set
At body front end surface 10-12mm；The positioning hole of second sheath rear end is arranged on apart from body rear end end face 10-12mm
Place；A diameter of 1-2.2mm of the positioning hole；The axis direction of described second sheath one end is provided with tearing for some 1-5cm
Burst at the seams；The gradient of the inclined plane is that the axial direction inclined with second sheath is in 61-79 ° of angle.
Further, the axis direction of described second sheath one end is provided with 2-4 bar tear lines.
The present invention also provides a kind of processing method of the sheath for endoscope, and this comprises the following steps：
S1, make the first sheath
The thickness and external diameter of S1.1 first sheaths needed for, stainless steel pipe is chosen, will be to be processed by transmitting device
Stainless steel pipe is transported in mould, the length of the stainless steel pipe to be cut transmitted is measured, when the stainless steel tube transmitted
When material length reaches the length of needs, stop transmission stainless steel pipe, drive cutting knife to rotate using drive device and promote cutting knife
Stainless steel pipe to be cut is cut, obtains primary tubing；
The primary tubing that S1.2 is come with clamping device to conveying is clamped, then using high speed bit in primary tubing
Corresponding clock position beat positioning hole, and an inclined plane is worn into at primary tubing both ends with sander, and in primary tubing front end
Wear into one and close up at 1-2mm, you can obtain first sheath.
S2, make the second sheath
S2.1 second sheaths of thickness and external diameter needed for, from corresponding second sheath pipe mold, by pp material
Start plasticizing forming in the second sheath pipe mold of high fever, form the second required sheath formed pipe, progressively plastify the of formation
Two sheath formed pipes keep 140-200s in the second sheath pipe mold, then push extrusion from the port of export of the second sheath pipe mold,
When the second sheath formed pipe pipe range of extrusion reaches established standardses, shut-off mechanism, which starts, cuts off the second sheath formed pipe；
S2.2 is clamped with clamping device to the second sheath formed pipe, is then molded using high speed bit in the second sheath
Positioning hole is beaten in the corresponding clock position of pipe, and the front end of the second sheath formed pipe is worn into an inclined-plane with sander, finally with void
Axis direction of the line cutter along second sheath formed pipe one end cuts some tear lines, you can obtains second sheath
Pipe.
S3, sheath connection
The tear line of second sheath is opened, and tearing for second sheath is inserted in one end of first sheath
In bursting at the seams, you can be used for endoscope sheath described in obtaining.
Further, in the step S2.1, the second sheath pipe mold is infundibulate, pp material in high fever
Infundibulate pipe is formed in two sheath pipe molds.
Compared with prior art, beneficial effects of the present invention are：
1st, a kind of sheath for endoscope of the invention does sheath using stainless steel and polypropylene, it is possible to increase operating theater instruments
Straight tube oscillatory, make sheath that there is good flexing resistance, meanwhile, in sheath set clock positioning hole, can both increase in
The positioning function of sight glass, it can be drained, be rinsed and void urine etc. using positioning hole again, the intracavitary pressure of operative site can be reduced
Power, reduce the damage of tissue, when making operation technique will not disorientation, can be accurate to up to expansion position, reduce operating difficulty,
Shorten operating time.The end face of first sheath and the second sheath uses inclined design, makes the end face opening and human body of body
Anatomical lumen is more consistent, to improve the utilization of the mechanics of operating theater instruments.And the funnel-shaped design of the second sheath, after making pars infundibularis
Hold and closely connect in big tube head energy and outside internal diameter of tube body front end and make the close formation performance of the size between two pipes seamless
Gap form, it is not easy scratch tissue into PA tube during human body and reduces damage.
2nd, because stainless steel tube and polypropylene material have an infringement nontoxic to human tissue organ, thus use stainless steel and
Polypropylene does sheath, is capable of the security performance of high operating theater instruments.And the stainless steel tube mechanical strength properties of straight pipe type are good, therefore adopt
Performed an operation instrument tube with stainless steel, the straight tube oscillatory of operating theater instruments can be improved, keep straight tube-like that there is flexing resistance, straight pipe type
Fully drainage property.When in use, operation instrument tube is inserted in using multitube polytypic pipe, can be according to the actual feelings in scene in operation
Condition selects sizeable body and the pipe of corresponding length and the quantity of body, and needs to cut operating theater instruments pipe according to operation
It is short, improve operating theater instruments applicability.
3rd, the present invention is simple for the processing method of the sheath of endoscope, the tube wall surface polishing of two kinds of different materials
Polishing, makes tube wall surface smooth, and machining accuracy is high, and product safety is effective, is adapted to promote the use of.
Brief description of the drawings
Fig. 1 is a kind of structural representation of sheath for endoscope of the invention；
Fig. 2 is the structural representation of the first sheath of the invention；
Fig. 3 is the structural representation of the second sheath of the invention；
Fig. 4 is another structural representation of the second sheath of the invention；
Fig. 5 is a kind of use state figure of sheath for endoscope of the invention；
Wherein, in accompanying drawing mark for：The sheaths of 1- first；The sheaths of 2- second；3- inclined planes；4- positioning holes；5- tear lines.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Refer to Fig. 1-4.A kind of sheath for endoscope, including body, the body include the first sheath 1 and second
Sheath 2；The sheath 2 of first sheath 1 and second is detachably connected；The both ends of first sheath 1 are respectively equipped with an inclination
Face 3, it with the axial direction of first sheath 1 is in 55-80 ° of angle that the gradient of the inclined plane 3, which is,；Second sheath 2 is wherein
One end or both ends end are provided with an inclined plane 3, and the gradient of the inclined plane 3 is to be in the axial direction of second sheath 2
55-80 ° of angle；Positioning hole 4 is offered respectively in the side wall at the both ends of first sheath 1；The material of first sheath 1 is
Stainless steel pipe, the inner surface of first sheath 1 are coated with light-absorption layer；In the side wall at the both ends of second sheath 2 respectively
Offer positioning hole 4；The material of second sheath 2 is translucent polypropylene pipe.
The present invention uses stainless steel pipe and polypropylene pipe respectively as the first sheath 1 and the second sheath 2, wherein, gather
Propylene tubing is translucent tubing.Due to stainless steel tube and polypropylene material have it is nontoxic to human tissue organ harmless excellent
Point, performed an operation apparatus using stainless steel and polypropylene, it is possible to increase the security performance of operating theater instruments；And it is preferable to have body
Flexing resistance and fully drainage property.By offering positioning hole 4 respectively in the first sheath 1 and the second sheath 2, by increasing capacitance it is possible to increase interior
The positioning function of sight glass, when making operation technique will not disorientation, can be accurate to up to expansion position, reduce operating difficulty, contracting
Short operating time.The end of first sheath 1 and the second sheath 2 is respectively set to an inclined plane 3, makes end face opening and the people of body
Body anatomical lumen is more consistent, to improve the utilization of the mechanics of operating theater instruments.The present invention provides the first sheath 1 and the of Multiple Type
Two sheaths 2 can need to be used alone or be connected with each other according to operation to be supported the use.
Embodiment 1
First sheath 11 is managed：First sheath, 1 long 90mm；External diameter is 4.0mm, internal diameter 3.6mm；Before and after first sheath 1
Both ends 9 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole 4 of the front end of first sheath 1 is arranged on distance
At the front end surface 1.0mm of first sheath 1；The positioning hole 4 of the rear end of first sheath 1 is arranged on the rear end end face 1mm of the first sheath of distance 1
Place；A diameter of 1.0mm of positioning hole 4；Inwardly close up the leading section of first sheath 1；The gradient of inclined plane 3 is and the first sheath
1 axial direction is in 61 ° of angles.
Embodiment 2
First sheath 12 is managed：First sheath, 1 long 395mm；The external diameter of first sheath 1 is 6.0mm, internal diameter 5.6mm；The
The rear and front end of one sheath 19 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole of the front end of first sheath 1
4 are arranged at the front end surface 5mm of the first sheath of distance 1；After the positioning hole 4 of the rear end of first sheath 1 is arranged on the first sheath of distance 1
Hold at the 5mm of end face；A diameter of 2.2mm of positioning hole 4；Inwardly close up the leading section of first sheath 1；The gradient of inclined plane 3 is
Axial direction with the first sheath 1 is in 79 ° of angles.
Embodiment 3
First sheath 13 is managed：First sheath, 1 long 395mm；The external diameter of first sheath 1 is 4.8mm, internal diameter 4.4mm；The
The rear and front end of one sheath 19 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole of the front end of first sheath 1
4 are arranged at the front end surface 5mm of the first sheath of distance 1；After the positioning hole 4 of the rear end of first sheath 1 is arranged on the first sheath of distance 1
Hold at the 5mm of end face；A diameter of 2mm of positioning hole 4；Inwardly close up the leading section of first sheath 1；The gradient of inclined plane 3 be with
The axial direction of first sheath 1 is in 77 ° of angles.
Embodiment 4
First sheath 14 is managed：First sheath, 1 long 345mm；The external diameter of first sheath 1 is 5.0mm, internal diameter 4.5mm；The
The rear and front end of one sheath 19 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole of the front end of first sheath 1
4 are arranged at the front end surface 3mm of the first sheath of distance 1；After the positioning hole 4 of the rear end of first sheath 1 is arranged on the first sheath of distance 1
Hold at the 4mm of end face；A diameter of 1.8mm of positioning hole 4；Inwardly close up the leading section of first sheath 1；The first pipe front end of sheath 14
Inclined plane 3 gradient be with the axial direction of the first sheath 1 be in 55 ° of angles, the gradient of the inclined plane 3 of rear end is and the first sheath
The axial direction of pipe 1 is in 77 ° of angles.
Embodiment 5
First sheath 15 is managed：First sheath, 1 long 90mm；The external diameter of first sheath 1 is 6.0mm, internal diameter 5.6mm；The
The rear and front end of one sheath 13 o'clock position, offer positioning hole 4, the quantity of positioning hole 4 on 9 o'clock position and 12 o'clock position
For 6；The positioning hole 4 of the front end of first sheath 1 is arranged at the front end surface 2mm of the first sheath of distance 1；The rear end of first sheath 1
Positioning hole 4 is arranged at the rear end end face 4mm of the first sheath of distance 1；A diameter of 1.8mm of positioning hole 4；The front end of first sheath 1
Inwardly close up in portion；It with the axial direction of the first sheath 1 is in 62 ° of angles that the gradient of the inclined plane 3 of first No. 15 pipe front ends of sheath, which is, after
It with the axial direction of the first sheath 1 is in 80 ° of angles that the gradient of the inclined plane 3 at end, which is,.
Embodiment 6
Second sheath 21 is managed：Second sheath, 2 long 250mm；The external diameter of second sheath 2 is 4.6mm, internal diameter 4.3mm；The
The front end of two sheath 29 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole 4 of the front end of second sheath 2 is set
At body front end surface 10mm；A diameter of 1mm of positioning hole 4；The axis direction of the one end of the second sheath 2 is provided with 2
1cm tear line 5；It with the axial direction of the second sheath 2 is in 60 ° of angles that the gradient of inclined plane 3, which is,.
Embodiment 7
Second sheath 22 is managed：Second sheath, 2 long 460mm；The external diameter of second sheath 2 is 6.7mm, internal diameter 6.1mm；The
The front end of two sheath 29 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole 4 of the front end of second sheath 2 is set
At body front end surface 12mm；A diameter of 2.2mm of positioning hole 4；The axis direction of the one end of the second sheath 2 is provided with 4
Bar 5cm tear line 5；It with the axial direction of the second sheath 2 is in 79 ° of angles that the gradient of inclined plane 3, which is,.
Embodiment 8
Second sheath 23 is managed：Second sheath, 2 long 460mm；The external diameter of second sheath 2 is 5.1mm, internal diameter 4.7mm；The
The front end of two sheath 29 o'clock position and 12 o'clock position on offer positioning hole 4；The positioning hole 4 of the front end of second sheath 2 is set
At body front end surface 12mm；A diameter of 2mm of positioning hole 4；The axis direction of the one end of the second sheath 2 is provided with 2
1.5cm tear line 5；It with the axial direction of the second sheath 2 is in 75 ° of angles that the gradient of inclined plane 3, which is,.
Embodiment 9
Second sheath 24 is managed：Second sheath 2 is funnel type, the length 250mm of second sheath 2；Second sheath
The external diameter of the front end 2mm section sheaths of pipe 2 is 2.8mm, and internal diameter is that to fade to external diameter be 4.6mm to 3.0mm, internal diameter 4.3mm, gradual change
The cast of section be funnel type, the length of transition be the rear and front end of the second sheath 23 o'clock position, 6 o'clock position, 9 points
Positioning hole 4 is offered on clock position and 12 o'clock position, the positioning hole 4 of the front end of the second sheath 2 is arranged on apart from body front end
At the 10mm of end face；A diameter of 1.0mm of the positioning hole 4；The axis direction of described one end of second sheath 2 is provided with some
1cm tear line 5；The gradient of the inclined plane 3 is that the axial direction inclined with second sheath 2 is in 61 ° of angles.
Embodiment 10：
Second sheath 25 is managed：Second sheath 2 is funnel type, the length 460mm of second sheath 2；Described
The external diameter of the front end 8mm section sheaths of two sheaths 2 is 5.5mm, and internal diameter is that to fade to external diameter be 6.7mm, internal diameter 6.1mm to 5.3mm,
The cast of transition is funnel type, the length of transition for the rear and front end of the second sheath 23 o'clock position, 6 o'clock position
Put, positioning hole 4 is offered on 9 o'clock position and 12 o'clock position, the positioning hole 4 of the front end of the second sheath 2 is arranged on distance pipe
At body front end surface 12mm；The positioning hole 4 of the rear end of second sheath 2 is arranged at the end face 12mm of body rear end；The positioning
A diameter of 2.2mm in hole 4；The axis direction of described one end of second sheath 2 is provided with some 5cm tear line 5；The inclination
The gradient in face 3 is that the axial direction inclined with second sheath 2 is in 79 ° of angles.
Embodiment 11
Second sheath 26 is managed：Second sheath, 2 long 460mm；The external diameter of second sheath 2 is 4.6mm, internal diameter 4.3mm；Its
In, the sheath front end 6mm a diameter of 3.1mm of section caliber, internal diameter is that to fade to outer wall footpath be 4.6mm, internal diameter 4.3mm to 3.0mm, gradually
Become the cast of section as funnel type, the front end of the second sheath 29 o'clock position and 12 o'clock position on offer positioning hole 4；Second sheath
The positioning hole 4 of the front end of pipe 2 is arranged at body front end surface 12mm；A diameter of 1.0mm of positioning hole 4；Second sheath 2 one
The axis direction at end is provided with 3 1.5cm tear line 5；The gradient of inclined plane 3 is in 55 ° of folders with the axial direction of the second sheath 2
Angle.
Embodiment 12
Second sheath 27 is managed：Second sheath, 2 long 250mm；The external diameter of second sheath 2 is 6.7mm, internal diameter 6.1mm；Its
In, sheath front end 2mm section calibers external diameter is 5.45mm, and internal diameter is that to fade to outer wall footpath be 6.7mm, internal diameter 6.1mm to 5.3mm,
The cast of transition forms funnel type, the rear and front end of the second sheath 23 o'clock position, 6 o'clock position, 9 o'clock position and 12 points
Positioning hole 4 is offered on clock position, the quantity of positioning hole 4 is 8；The positioning hole 4 of the front end of second sheath 2 is arranged on distance pipe
At body front end surface 12mm；A diameter of 1.0mm of positioning hole 4；The axis direction of the one end of the second sheath 2 is provided with 4 1.5cm's
Tear line 5；It with the axial direction of the second sheath 2 is in 80 ° of angles that the gradient of inclined plane 3, which is,.
The model of first sheath 1 and the second sheath 2 be additionally provided with it is a variety of, to adapt to different operating theater instruments requirements, herein
Do not enumerate.
The present embodiment also provides a kind of processing method of the sheath for endoscope, and this method comprises the following steps：
S1, make the first sheath 1
The thickness and external diameter of S1.1 first sheaths 1 needed for, stainless steel pipe is chosen, will be to be processed by transmitting device
Stainless steel pipe is transported in mould, the length of the stainless steel pipe to be cut transmitted is measured, when the stainless steel tube transmitted
When material length reaches the length of needs, stop transmission stainless steel pipe, drive cutting knife to rotate using drive device and promote cutting knife
Stainless steel pipe to be cut is cut, obtains primary tubing；
The primary tubing that S2.2 is come with clamping device to conveying is clamped, then using high speed bit in primary tubing
Corresponding clock position beat positioning hole 4, and will be worn into an inclined-plane and closed up at primary tubing front end 1mm with sander, you can
To the first sheath 1.
S2, make the second sheath 2
S2.1 second sheaths 2 of thickness and external diameter needed for, it is from the corresponding mould of second sheath 2, polypropylene is former
Material starts plasticizing forming in the mould of the second sheath 2 of high fever, forms the required formed pipe of the second sheath 2, and progressively plasticizing is formed
The formed pipe of the second sheath 2 keep 140-200s in the mould of the second sheath 2, the present embodiment preferably keeps 200s；Then from
The port of export of the mould of two sheath 2 pushes extrusion, when the formed pipe pipe range of the second sheath 2 of extrusion reaches established standardses, cutting machine
Structure, which starts, cuts off the formed pipe of the second sheath 2；Wherein, the mould of the second sheath 2 is infundibulate, pp material in high fever second
Infundibulate pipe is formed after the mould of sheath 2.
S2.2 is clamped with clamping device to the formed pipe of the second sheath 2, then using high speed bit the second sheath 2 into
Positioning hole 4 is beaten in the corresponding clock position of type pipe, and the front end of the formed pipe of the second sheath 2 is worn into an inclined-plane with sander, finally
Some tear lines 5 are cut with axis direction of the dotted line cutter along the formed pipe one end of the second sheath 2, you can obtain the second sheath
Pipe 2.
S3, sheath connection
The tear line 5 of second sheath 2 is opened, and one end of the first sheath 1 is inserted in the tear line 5 of the second sheath 2
Tighten, you can obtain being used for endoscope sheath.
First sheath 1 and the second sheath 2 are respectively adopted two kinds of different materials and are made, and body can be by correspondingly sized at present
Rigid endoscope, have correspondingly sized space between endoscope external diameter and internal diameter of tube body.Need first to peep interior using the body
Mirror is inserted in body, is observed when entering, can just be inserted in the various cavities of human body and be performed the operation in endoscope embedded body, hand
Needs move back mirror in operating theater instruments pipe and examined when being met obstructions in art.It can be used between the various model calibers of the body
The body use nested against one another of close size.The 2 preferable angle design of inclined plane 3 of first sheath 1 and the second sheath, it is possible to increase
Pipe sheath body cavities stenosis percent of pass, design and the second sheath 2 funnel-shaped design, make pars infundibularis rear end big
Closely connection is also close formed of the size between two pipes is played seamless form for tube head energy and outside internal diameter of tube body front end, is entered
PA tube is not easy scratch tissue and reduces damage when entering human body.
The present invention be used for endoscope sheath application method can according to the concrete condition of operation, select different model and
The sheath of quantity is combined with each other, as shown in figure 1, No. 15 pipes of the first sheath can connect use with No. 25 pipes of the second sheath.
The front end of sheath is located in bladder after connection, when being operated using Flexible ureteroscope, can drain flushing liquor and left and right in bladder
The urine of side ureter discharge, to reduce the effect of bladder pressure, when exiting other instrument tubes, still retains the first sheath 15
Pipe and No. 25 pipes of the second sheath can facilitate endoscope to carry out operation treatment in bladder and use in bladder.As shown in figure 5, this
The first sheath 1 and the second sheath 2 of invention can as needed be connected with each other and be applied in combination, during operation, funnel shaped the of outside
Two sheaths 2 are placed in bladder, and the second sheath of infundibulate 2 of inner side is placed in ureter, and endoscope can be in the first sheath 1
Sem observation is inside moved back, and can will be segmented the urine for draining intravesical flushing liquor and left and right sides ureter discharge.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, the equal change completed or modification change under the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (9)
1. a kind of sheath for endoscope, including body, it is characterised in that：The body includes the first sheath and the second sheath
Pipe；First sheath and the second sheath are detachably connected；The both ends of first sheath are respectively equipped with an inclined plane, and this inclines
It with the axial direction of first sheath is in 55-80 ° of angle that the gradient on inclined-plane, which is,；The wherein one end or two of second sheath
End end is provided with an inclined plane, and it with the axial direction of second sheath is in 55-80 ° of angle that the gradient of the inclined plane, which is,；It is described
Positioning hole is offered respectively in the side wall at the both ends of the first sheath；The material of first sheath is stainless steel pipe, described
The inner surface of one sheath is coated with light-absorption layer；Positioning hole is offered respectively in the side wall at the both ends of second sheath；Described
The material of two sheaths is translucent polypropylene pipe.
A kind of 2. sheath for endoscope according to claim 1, it is characterised in that：The first sheath pipe range 90-
395mm；The external diameter of first sheath is 4.0-6.0mm, internal diameter 3.6-5.6mm；The forward and backward both ends of first sheath
9 o'clock position and 12 o'clock position on offer positioning hole；The positioning hole of the first sheath front end is arranged on distance first
At sheath front end surface 1-5mm；The positioning hole of the first sheath rear end is arranged on distance the first sheath rear end end face 1-5mm
Place；A diameter of 1.0-2.2mm of the positioning hole；Inwardly close up the leading section of first sheath；The inclination of the inclined plane
Degree is that the axial direction inclined with first sheath is in 61-79 ° of angle.
A kind of 3. sheath for endoscope according to claim 2, it is characterised in that：The first sheath pipe range 395mm；
The external diameter of first sheath is 4.8mm, internal diameter 4.4mm；A diameter of 2mm of the positioning hole；The inclination of the inclined plane
Degree is that the axial direction inclined with first sheath is in 77 ° of angles.
A kind of 4. sheath for endoscope according to claim 1, it is characterised in that：Second sheath is straight tube
Type, the length of second sheath is 250-460mm；The external diameter of second sheath is 4.6-6.7mm, internal diameter 4.3-
6.1mm；The second sheath front end 9 o'clock position and 12 o'clock position on offer positioning hole；Determine the second sheath front end
Position hole is arranged at body front end surface 10-12mm；The positioning hole of second sheath rear end is arranged on apart from body rear end end
At the 10-12mm of face；A diameter of 1-2.2mm of the positioning hole；The axis direction of described second sheath one end is provided with some
1-5cm tear line；The gradient of the inclined plane is that the axial direction inclined with second sheath is in 60-79 ° of angle.
A kind of 5. sheath for endoscope according to claim 4, it is characterised in that：The second sheath pipe range 460mm；
The external diameter of second sheath is 5.1mm, internal diameter 4.7mm；The axis direction of described second sheath one end is provided with some
1.5cm tear line；The gradient of the inclined plane is that the axial direction inclined with second sheath is in 75 ° of angles.
A kind of 6. sheath for endoscope according to claim 1, it is characterised in that：Second sheath is funnel
Type, the length 250-460mm of second sheath；The external diameter of the front end 2-8mm section sheaths of second sheath is 2.8-
5.5mm, internal diameter are that to fade to external diameter be 4.6-6.7mm to 3.0-5.3mm, and internal diameter 4.3-6.1mm, the cast of transition is funnel
Type, the length of transition for the second sheath rear and front end 3 o'clock position, 6 o'clock position, 9 o'clock position and 12 o'clock
Positioning hole is offered on position, the positioning hole of the second sheath front end is arranged at body front end surface 10-12mm；Second
The positioning hole of sheath rear end is arranged at the end face 10-12mm of body rear end；A diameter of 1-2.2mm of the positioning hole；Institute
The axis direction for stating second sheath one end is provided with some 1-5cm tear line；The gradient of the inclined plane be with it is described
The axial direction that second sheath is inclined is in 61-79 ° of angle.
7. according to a kind of sheath for endoscope described in claim 4 or 5 or 6, it is characterised in that：Second sheath one
The axis direction at end is provided with 2-4 bar tear lines.
8. the processing method of a kind of sheath for endoscope, it is characterised in that comprise the following steps：
S1, make the first sheath
The thickness and external diameter of S1.1 first sheaths needed for, stainless steel pipe is chosen, will be to be processed stainless by transmitting device
Steel tubing is transported in mould, measures the length of the stainless steel pipe to be cut transmitted, when the stainless steel pipe length transmitted
When degree reaches the length of needs, stop transmission stainless steel pipe, drive cutting knife to rotate using drive device and promote cutting knife to cut
Stainless steel pipe to be cut, obtain primary tubing；
S1.2 is clamped with clamping device to the primary tubing that comes of conveying, then using high speed bit primary tubing phase
Answer clock position to beat positioning hole, and an inclined plane is worn into at primary tubing both ends with sander, and in primary tubing front end 1-2mm
Wear into one and close up in place, you can obtain first sheath.
S2, make the second sheath
S2.1 second sheaths of thickness and external diameter needed for, from corresponding second sheath pipe mold, by pp material in height
Start plasticizing forming in second sheath pipe mold of heat, form the second required sheath formed pipe, progressively plastify the second sheath of formation
Pipe formed pipe keeps 140-200s in the second sheath pipe mold, then pushes extrusion from the port of export of the second sheath pipe mold, when crowded
When the second sheath formed pipe pipe range gone out reaches established standardses, shut-off mechanism, which starts, cuts off the second sheath formed pipe；
S2.2 is clamped with clamping device to the second sheath formed pipe, then using high speed bit in the second sheath formed pipe
Positioning hole is beaten in corresponding clock position, and the front end of the second sheath formed pipe is worn into an inclined-plane with sander, is finally cut with dotted line
Axis direction of the knife system along second sheath formed pipe one end cuts some tear lines, you can obtains second sheath.
S3, sheath connection
The tear line of second sheath is opened, and one end of first sheath is inserted in the tear line of second sheath
It is interior, you can be used for endoscope sheath described in obtaining.
A kind of 9. processing method of sheath for endoscope according to claim 8, it is characterised in that：The step
In S2.1, the second sheath pipe mold is infundibulate, and pp material forms infundibulate pipe in the second sheath pipe mold of high fever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620591.6A CN107361824A (en) | 2017-07-26 | 2017-07-26 | A kind of sheath and its processing method for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620591.6A CN107361824A (en) | 2017-07-26 | 2017-07-26 | A kind of sheath and its processing method for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107361824A true CN107361824A (en) | 2017-11-21 |
Family
ID=60307669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710620591.6A Withdrawn CN107361824A (en) | 2017-07-26 | 2017-07-26 | A kind of sheath and its processing method for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107361824A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852475A (en) * | 2018-07-25 | 2018-11-23 | 张焱 | A kind of disposable visualization brain guiding puncture device |
| CN113040916A (en) * | 2021-03-13 | 2021-06-29 | 极限人工智能有限公司 | Universal operation device and medical instrument |
-
2017
- 2017-07-26 CN CN201710620591.6A patent/CN107361824A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852475A (en) * | 2018-07-25 | 2018-11-23 | 张焱 | A kind of disposable visualization brain guiding puncture device |
| CN108852475B (en) * | 2018-07-25 | 2024-02-20 | 江苏美佳康生物科技有限公司 | Disposable visual brain puncture guiding device |
| CN113040916A (en) * | 2021-03-13 | 2021-06-29 | 极限人工智能有限公司 | Universal operation device and medical instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7037345B2 (en) | Medical stent with variable coil and related methods | |
| CN102802713B (en) | A kind of catheter and the method for catheter described in injection moulding | |
| US20110196507A1 (en) | Medical stent and related methods | |
| JPS59502134A (en) | Opening device to body cavity | |
| US20090024089A1 (en) | Long tapered dilator | |
| EP2498668A1 (en) | Access system with removable outflow channel | |
| KR20170122756A (en) | Endoscopic treatment tool | |
| CN106267533B (en) | Visual accurate positioning prostate expanding and cracking catheter | |
| CN107361824A (en) | A kind of sheath and its processing method for endoscope | |
| CN108175483A (en) | Visual guidance sheath | |
| CN105662581A (en) | Detachable and telescopic flexible ureteroscope sheath | |
| CN208404773U (en) | A kind of sheath for endoscope | |
| CN110215262B (en) | Bendable suction sheath | |
| CN116726345A (en) | Ureter guiding sheath tube | |
| CN211066512U (en) | Ureter soft lens conveying sheath assembly | |
| CN113262376B (en) | Special ureteral stent for kidney transplantation | |
| CN204814063U (en) | Medical science operation is with built -in support lithangiuria washing unit | |
| WO2022116664A1 (en) | Bendable ureter guide sheath | |
| CN209967379U (en) | Safe convenient auxiliary pipeline in percutaneous nephroscopy | |
| CN210903223U (en) | Bendable suction sheath | |
| US20090099515A1 (en) | Trans-cervical catheter having a conical-shaped balloon | |
| CN201603244U (en) | Indwelling casing for lumbar puncture | |
| CN215024791U (en) | Semi-rigid ureter guiding sheath | |
| CN205612448U (en) | Can look at two sections section flexible ureteroscope sheath pipes of putting into straight | |
| WO2021115420A1 (en) | Negative-pressure stone removal sheath |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171121 |