CN206045154U - A kind of medical guiding wire for positioning - Google Patents
A kind of medical guiding wire for positioning Download PDFInfo
- Publication number
- CN206045154U CN206045154U CN201620567052.1U CN201620567052U CN206045154U CN 206045154 U CN206045154 U CN 206045154U CN 201620567052 U CN201620567052 U CN 201620567052U CN 206045154 U CN206045154 U CN 206045154U
- Authority
- CN
- China
- Prior art keywords
- wire
- distal portion
- guidewire
- wire distal
- guidewire body
- 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.)
- Expired - Fee Related
Links
Abstract
This utility model is related to a kind of medical guiding wire for positioning, including with flexible strip guidewire body, positioned at the wire distal portion and guidewire proximal portion at guidewire body two ends；The curved bending in the wire distal portion；Wire distal portion is with guidewire body not on same parallel surface；Compared with prior art, wire distal portion is presented curved shape, and has clearly ultrasonic development effect；Under the ultrasonic development image of seal wire, wire distal portion is accurately fixed on into precalculated position；During seal wire guide support enters anatomic passages, when the accurate location that i.e. support is placed at support reaches stenosis of bile duct, stop continuing to import as support is subject to the barrier effect in wire distal portion, need not move through, operating time and risk are reduced, it is achieved thereby that the effect positioned to support using seal wire.
Description
Technical field
This utility model belongs to technical field of medical instruments, more particularly, to a kind of medical guiding wire for positioning.
Background technology
The major function of medical guiding wire is, during diagnosis minimally-invasive treatment, to play a part of in vivo to guide and position,
Treatment or inspection used conduit class apparatus is successfully imported to into the target site of organism tube chamber.Chinese patent
201320608234.5 disclose a kind of medical guiding wire, and the medical guiding wire has the distal portion of bent, while also having bending
The close end of shape so as to which distal end, close end can be safely introduced in vivo, but fixation should can not be played with the distal end of bending
The effect of positioning.
Conventional cholangio-stent is placed to be needed to carry out Endoscopic retrograde cholangio-pancreatiography art（ERCP）, the key of ERCP exists
In seal wire being inserted by vater's papilla, then under the guiding of seal wire place cholangio-stent again and pass through at stenosis of bile duct.
But have quite a few patient due to duodenal diverticulum, nipple opening is narrow and small, ampulla flexibility is excessive, nipple inflammation water
The reason nipple intubation such as swollen is unsuccessful and cause cholangio-stent place.Therefore need research and development a kind of by nipple intubation
And the seal wire of bile duct is entered, and the seal wire can successfully positioning be placed at stenosis of bile duct by support.
For above-mentioned technical problem, therefore need to be improved.
Utility model content
This utility model is to overcome above-mentioned defect of the prior art, there is provided a kind of simple structure, easy to use, energy
Support is successfully positioned the medical guiding wire being placed at stenosis of bile duct.
In order to reach object above, the technical scheme adopted by this utility model is：A kind of medical guiding wire for positioning,
Including with flexible strip guidewire body, positioned at the wire distal portion and guidewire proximal portion at guidewire body two ends；It is described to lead
The curved bending of silk distal portion；Wire distal portion is with guidewire body not on same parallel surface.
As a kind of preferred version of the present utility model, the guidewire body, wire distal portion and guidewire proximal portion one
Molding, is fixedly connected.
As the round and smooth mistake in junction of a kind of preferred version of the present utility model, the wire distal portion and guidewire body
Cross.
Used as a kind of preferred version of the present utility model, the wire distal portion is with the junction of guidewire body in certain
Bending angle.
Used as a kind of preferred version of the present utility model, the bending angle is obtuse angle, acute angle, or right angle, i.e. seal wire
Distal portion is mutually perpendicular to guidewire body.
As a kind of preferred version of the present utility model, the curved bending in the wire distal portion, the number of turns of its bending
More than at least 0.5 circle, the preferred curved number of turns of this utility model is 3 circles.
Used as a kind of preferred version of the present utility model, the wire distal portion carries out curve along centered on guidewire body
Bending, or curved is carried out for tangent plane along guidewire body place face.
Used as a kind of preferred version of the present utility model, the wire distal portion is curve under the naturalness not stressed
Curved shape；Wire distal portion curved shape under the conditions of axially loaded can be straightened.
Used as a kind of preferred version of the present utility model, wire distal portion material is not developing material.
Used as a kind of preferred version of the present utility model, the guidewire proximal portion is with the junction of guidewire body in certain
Bending angle, the bending angle are acute angle, and angular range is 30 to 45 degree, and the preferred bending angle of this utility model is 30 degree.
The beneficial effects of the utility model are：Compared with prior art, support is positioned using the distal portion of seal wire：
Wire distal portion is presented curved shape, and has clearly ultrasonic development effect；Under the ultrasonic development image of seal wire, will
Wire distal portion is accurately fixed on precalculated position, i.e. guidewire body and enters along the bearing of trend of bile duct passage, wire distal portion
Stop is placed on the narrow passage of bile duct.Seal wire guide support enter anatomic passages during, when support reach bile duct it is narrow
When narrow place is the accurate location that support is placed, stop continuing to import, nothing as support is subject to the barrier effect in wire distal portion
Need to operate through repeatedly souning out adjustment and be positioned by seal wire automatically, reduce operating time and risk, it is achieved thereby that utilizing seal wire
The effect positioned by support.
Secondly, convenient adjustment seal wire state：There are 30 to the 45 degree bendings of guidewire proximal part with guidewire body part
Angle, it is more convenient that the proximal part with bending angle uses can operator, and fast and easy accurately adjusts seal wire
State, shorten operation time.
Description of the drawings
Fig. 1 is this utility model example structure schematic diagram.
Fig. 2 is this utility model embodiment axonometric chart.
Fig. 3 is the schematic diagram that this utility model embodiment seal wire guide support enters bile duct
Fig. 4 is the partial enlarged drawing that this utility model embodiment seal wire guide support enters bile duct
Fig. 5 is partial enlarged drawing of this utility model embodiment seal wire locating support at the narrow place of bile duct
Reference in figure：1 guidewire body 2 of wire distal portion, guidewire proximal portion 3, ultrasonic endoscope 4, stomach 5, bile duct 6, gallbladder
Pipe stenosis 7, support 8.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model embodiment is elaborated.
Embodiment：As shown in Figure 1-2, a kind of medical guiding wire for positioning, including with flexible strip seal wire master
Body 2, positioned at the wire distal portion 1 and guidewire proximal portion 3 at 2 two ends of guidewire body；Guidewire proximal portion 3 described in this utility model
It is under operation use state, near one end of operator；Wire distal portion 1 refers to the one end away from operation；Wire distal
1 curved bending of portion；Wire distal portion 1 and guidewire body 2 be not on same parallel surface, and wire distal portion 1 and seal wire master
The junction rounding off of body 2 so that the connection of medical guiding wire is more smooth, while ensure that the convenience for using.
Guidewire body 2, wire distal portion 1 and guidewire proximal portion 3 are integrally formed, and are fixedly connected, and increased the medical guiding wire
Bulk strength and degree of being connected firmly, while also increasing the safety for using.
The junction of wire distal portion 1 and guidewire body 2 is in certain bending angle, and the bending angle is obtuse angle, acute angle,
Or right angle.
The bending number of turns in wire distal portion 1 is to assign to the structure that minor details section diameter gradually increases from leading section；Or seal wire
The bending number of turns of distal portion 1 is to assign to the structure that minor details section diameter is gradually decreased from leading section；The bending circle in wire distal portion 1
Number diameter is identical.
1 curved bending of wire distal portion, the number of turns of its bending are at least more than 0.5 circle, and the number of turns of its bending is 0.5
More than circle, or 1 circle, or 1 circle, the preferred curved number of turns of this utility model is 3 circles.
Wire distal portion 1 carries out curved along centered on guidewire body 2, or is to cut along 2 place face of guidewire body
Line face carries out curved；Wire distal portion 1 is curved shape under the naturalness not stressed；Wire distal portion 1 exists
Under the conditions of axially loaded, curved shape can be straightened；By arranging deformable medical guiding wire, the seal wire can be put up propping up
The positioning of work(is placed at stenosis of bile duct.
Wire distal portion 1 is made up of developing material, using the program, under the ultrasonic development image of seal wire, seal wire is remote
End 1 can accurately be fixed on precalculated position, i.e. guidewire body 2 and enter along the bearing of trend of bile duct passage, the resistance of wire distal portion
Gear is placed on the narrow passage of bile duct.During seal wire guide support enters anatomic passages, when support reaches stenosis of bile duct
When place is the accurate location that support is placed, stop continuing to import as support is subject to the barrier effect in wire distal portion, need not
Automatically positioned by seal wire through repeatedly exploration adjustment operation, reduce operating time and risk, it is achieved thereby that using seal wire pair
The effect positioned by support.
The junction of guidewire proximal portion 3 and guidewire body 2 is in certain bending angle, and the bending angle is acute angle, angle
Scope is 30 to 45 degree, and it is more convenient that the guidewire proximal portion 3 with bending angle that arranges uses can operator, convenient fast
The state of fast accurately adjustment seal wire, shortens operation time, reduces complication.
With reference to shown in Fig. 3-Fig. 5, this utility model comprising the following steps that in operation：
（1）. apparatus prepares, Preoperative Method.
（2）. insertion ultrasonic endoscope 4, enter in stomach 5.
（3）. the pincers road insertion puncture needle of Jing ultrasonic endoscopes 4, interts medical guiding wire of the present utility model in puncture needle, enters
1 end of wire distal portion for entering puncture needle is gradually compressed into linear by bending.
（4）. 6 position of bile duct is found by the ultrasonic development of ultrasonic endoscope 4, puncture needle is in the coat of the stomach near 6 position of bile duct
Place is punctured, and wire distal portion 1 is entered at stenosis of bile duct with puncture needle under X-ray development, when wire distal portion 1 is entered
When entering at stenosis of bile duct 7, wire distal portion 1 passes the head of puncture needle and recovers deformation in curved shape, and the seal wire is remote
Passage of 1 vertical barrier of end at stenosis of bile duct.
（5）. puncture needle is exited into the pincers road of ultrasonic endoscope 4, another seal wire is gone to withstand by the pincers road of ultrasonic endoscope 4
The seal wire described in this utility model is pushed, until the 3 whole indwellings of guidewire proximal portion are under one's belt.
（6）. ultrasonic endoscope 4 is exited, gastroscope is inserted.
（7）. through gastroscope pincers road insertion snare, guidewire proximal portion 3 is pulled out into gastroscope pincers road using snare, so that
Wire distal portion 1 is retained in stenosis of bile duct position 7, and guidewire proximal portion 3 is retained in gastroscope pincers road outer end.
（8）. the wire distal portion 1 of clear development can be seen on ultrasonic development screen, the guidewire proximal portion 3 of near-end is stayed in
There is an angle for inclining bending, be adapted to adjustment of the operator to seal wire, make the seal wire entered at stenosis of bile duct remote by adjustment
Such as Fig. 3 positions are fixed in end 1；I.e. wire distal portion 1 is located at stenosis of bile duct 7 upper end position, and wire distal portion 1 and bile duct
Path is presented plumbness.
（9）. under ultrasonic development, along seal wire carrier of the insertion equipped with support 8, which is eventually entered into into gallbladder along seal wire
Pipe.As 1 vertical barrier of seal wire leading section is 7 at the stenosis of bile duct, when the carrier equipped with support 8 is delivered to such as Fig. 5 positions,
Frame carrier is automatically positioned suitable off-position due to the barrier effect of seal wire leading section 1, is accurately positioned with after-poppet 8
It is released in 7 at stenosis of bile duct, as shown in Figure 5.Support is accurately positioned by seal wire, solves seal wire guide support and discharged
Need to sound out repeatedly the problem of 8 position of adjustment support in journey.
（10）. exit seal wire and gastroscope pincers road, success 7 is accurately positioned placement support 8 at the stenosis of bile duct.
Seal wire in this utility model due to the curved structure of distal portions 1, and the wire distal part 1 perpendicular to
The integral part of seal wire.Its distal portions 1 is made to be located at stenosis of bile duct, then by leading by adjusting guidewire proximal part 3 first
Silk guide support enters bile duct, support is accurately positioned at stenosis of bile duct due to the barrier effect of wire distal part 1.
The utility model is can solve the problem that during using seal wire guided placement support 8, it is not necessary to which support 8 is carried out repeatedly
Sound out, adjust its placement location；Only need to by the positioning to seal wire so as to reach the effect to support positioning, when shorter
Between in support be accurately positioned be placed at stenosis of bile duct, it is convenient and swift, using safety.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use that this practicality is new
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments；Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Although more having used reference in figure herein：1 guidewire body 2 of wire distal portion, guidewire proximal portion 3 surpasses
Sound scope 4, stomach 5, bile duct 6,7 at stenosis of bile duct, 8 grade term of support, but it is not precluded from the probability using other terms；Use
These terms are used for the purpose of more easily describing and explaining essence of the present utility model；It is construed as any additional
Restriction be all contrary with this utility model spirit.
Claims (10)
1. a kind of medical guiding wire for positioning, including with flexible strip guidewire body（2）, positioned at guidewire body（2）
The wire distal portion at two ends（1）With guidewire proximal portion（3）；It is characterized in that：The wire distal portion（1）Curved bending；
Wire distal portion（1）With guidewire body（2）Not on same parallel surface,
2. it is according to claim 1 it is a kind of for positioning medical guiding wire, it is characterised in that：The guidewire body（2）, lead
Silk distal portion（1）With guidewire proximal portion（3）It is integrally formed, is fixedly connected.
3. it is according to claim 1 and 2 it is a kind of for positioning medical guiding wire, it is characterised in that：The wire distal portion
（1）With guidewire body（2）Junction rounding off.
4. it is according to claim 3 it is a kind of for positioning medical guiding wire, it is characterised in that：The wire distal portion（1）
With guidewire body（2）Junction be in certain bending angle.
5. it is according to claim 4 it is a kind of for positioning medical guiding wire, it is characterised in that：The bending angle is blunt
Angle, acute angle, or right angle.
6. it is according to claim 4 it is a kind of for positioning medical guiding wire, it is characterised in that：The wire distal portion（1）
Curved bending, the number of turns of its bending are at least more than 0.5 circle.
7. it is according to claim 4 it is a kind of for positioning medical guiding wire, it is characterised in that：The wire distal portion（1）
Along guidewire body（2）Centered on carry out curved, or along guidewire body（2）It is curved that place face carries out curve for tangent plane
It is bent.
8. it is according to claim 7 it is a kind of for positioning medical guiding wire, it is characterised in that：The wire distal portion（1）
It is curved shape under the naturalness not stressed；Wire distal portion（1）The curved shape under the conditions of axially loaded
Can be straightened.
9. it is according to claim 8 it is a kind of for positioning medical guiding wire, it is characterised in that：The wire distal portion（1）
It is made up of developing material.
10. a kind of medical guiding wire for positioning as claimed in claim 2, it is characterised in that：The guidewire proximal portion（3）With
Guidewire body（2）Junction be in certain bending angle, the bending angle be acute angle, angular range be 30 to 45 spend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567052.1U CN206045154U (en) | 2016-06-14 | 2016-06-14 | A kind of medical guiding wire for positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567052.1U CN206045154U (en) | 2016-06-14 | 2016-06-14 | A kind of medical guiding wire for positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206045154U true CN206045154U (en) | 2017-03-29 |
Family
ID=58372806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620567052.1U Expired - Fee Related CN206045154U (en) | 2016-06-14 | 2016-06-14 | A kind of medical guiding wire for positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206045154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481272A (en) * | 2020-05-14 | 2020-08-04 | 北京大学第三医院（北京大学第三临床医学院） | Ultrasonic guided puncture positioning guide line and manufacturing method thereof |
-
2016
- 2016-06-14 CN CN201620567052.1U patent/CN206045154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481272A (en) * | 2020-05-14 | 2020-08-04 | 北京大学第三医院（北京大学第三临床医学院） | Ultrasonic guided puncture positioning guide line and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10549069B2 (en) | Catheter with formed guide wire ramp | |
| US6398776B1 (en) | Tubular medical device | |
| JP5191615B2 (en) | Bend catheter | |
| US20070265595A1 (en) | Treatment tool inserting/withdrawing auxiliary device and medical procedure through endoscope | |
| JP2017524496A (en) | Urological endoscope assist system and method of use | |
| US20150080792A1 (en) | Operating member | |
| US9468743B2 (en) | Catheter for positioning a wire guide | |
| CN101175445A (en) | Constructive disposal placed in artifon catheter applied in perforations above the papillae in fistula-papillotomy | |
| Yang et al. | Clinical value of DPOC for detecting and removing residual common bile duct stones (video) | |
| CN206045154U (en) | A kind of medical guiding wire for positioning | |
| US20220125448A1 (en) | Stone extraction basket and double lumen end cap for stone extraction basket | |
| CN104740747A (en) | Ultrasonic-guided percutaneous interventional therapy guide system for arterial duct and usage method thereof | |
| US9233231B2 (en) | Biopsy spacer device and method of operation | |
| CN104013380B (en) | Per os choledochoscope guide and using method thereof | |
| CN114849021B (en) | Visual intubation device and using method thereof | |
| CN215194864U (en) | Medical seal wire and medical external member | |
| CN114931696A (en) | Radial artery access nerve intervention catheter | |
| CN201008562Y (en) | Tumor-localizing aerostats in operation of imbedding digestive canal steel timber | |
| CN208838014U (en) | ERCP biopsy guiding sleeve | |
| JP4650901B2 (en) | Guide wire with bent segments | |
| CN107343814B (en) | Slitting knife | |
| CN211410624U (en) | Device is put into in ureter inner support drainage under peritoneoscope | |
| KR20200017037A (en) | Catheter for intrahepatic duct cannulation | |
| CN219110583U (en) | Medical catheter, device and system | |
| CN113116597B (en) | Adjustable bent sheath tube and in-situ windowing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20190614 |