CN207755371U - A kind of cold snare - Google Patents
A kind of cold snare Download PDFInfo
- Publication number
- CN207755371U CN207755371U CN201720797829.8U CN201720797829U CN207755371U CN 207755371 U CN207755371 U CN 207755371U CN 201720797829 U CN201720797829 U CN 201720797829U CN 207755371 U CN207755371 U CN 207755371U
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- snare
- ring
- handle
- cold
- mandrel
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Abstract
The utility model discloses a kind of cold snares, including snare ring, mandrel, insulation tube, handle and slide handle, slide handle is slidably connected with handle, is arranged insulation tube outside mandrel, the proximal end of insulation tube is fixedly connected with handle, the proximal end of mandrel is connect with slide handle, the distal end of mandrel is pierced by the distal end of insulation tube and is connected with snare ring, which is characterized in that is equipped with several blades on the elastic metallic yarn of the snare ring, when snare ring is tightened, tissue that blade cutting ring lantern ring is surrounded.The technical program snare ring many places are set as blade structure, snare ring enters lesion locations, it is easy to clamp the polyp of arbitrary shape, then pass through the snare ring of belt tensioner blade structure, it can be by polyp clamping and smooth excision, it is very convenient quick without being powered, operating time is substantially reduced, the pain of patient is alleviated.And due to being cold cutting process, apparent pathology layering can be retained, be conducive to further analysis of the doctor to lesion.
Description
Technical field
It being used for alimentary canal, the polyp of respiratory tract or tumor resection instrument the utility model is related to a kind of, more particularly to one
The cold snare of kind.
Background technology
Snare needs quickly and neatly to cut pathological tissues in use, and snare currently on the market is logical
The snare ring set for crossing head end lives tumour or polyp, then logical high-frequency electrical, is plucked tumour or polyp out of human body by ligaturing or burning
It removes, it is not only complex for operation step, but also can not ensure the pathology layering after pathological tissues cutting.Come to endoscopic surgery treatment zone
Prodigious obstacle, needs to improve.
Such as one kind disclosed in Patent No. CN201220364763.0 patent documents sets barbed fulguration snare, specially
Profit number is a kind of endoscope snare of band thoughts and feelings mark disclosed in CN201220362819.9 patent documents, is not related to snare
The cold cutting function of device.
Invention content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of cold snare, and snare ring many places are set
It is set to blade structure, snare ring enters lesion locations, it is easy to the polyp of arbitrary shape is clamped, then by tightening band blade
The snare ring of structure, so that it may it is very convenient quick without being powered with by polyp clamping and smooth excision, when substantially reducing operation
Between, alleviate the pain of patient.And due to being cold cutting process, apparent pathology layering can be retained, be conducive to doctor to lesion
Further analysis.
In order to achieve the above objectives, the utility model uses technical solution below：
A kind of cold snare, including snare ring (1), mandrel (2), insulation tube (3), handle (5) and slide handle (6) are sliding
Dynamic handle (6) is slidably connected with handle (5), and insulation tube (3), proximal end and the handle (5) of insulation tube (3) are arranged outside mandrel (2)
It is fixedly connected, the proximal end of mandrel (2) is connect with slide handle (6), and the distal end of mandrel (2) is pierced by distal end and the company of insulation tube (3)
It is connected to snare ring (1), which is characterized in that several blades (11) are installed on the elastic metallic yarn of the snare ring (1), are being enclosed
When lantern ring (1) is tightened, tissue that blade (11) cutting ring lantern ring (1) is surrounded.
Preferably, the snare ring (1) includes two elastic metallic yarns, one end of this two elastic metallic yarns and mandrel
(2) it is fixedly connected, the other end of this two elastic metallic yarns forms snare ring tip by a ring-spring (12) connection.Snare
Ring tip is shaped to ring-spring, and the deformation rate after the sizing of snare ring can be greatly lowered.It ensure that the stable quality of product
Property, meet the requirement of operation.Further preferably, the snare ring by an elastic metallic yarn in centre position around a cast
Two tail ends of the ring-spring structure at lopping lantern ring tip, the elastic metallic yarn are fixedly connected with mandrel.
Preferably, being both provided with blade (11) on the elastic metallic yarn of snare ring (1) both sides.
Preferably, blade (11) left and right on the elastic metallic yarn of snare ring (1) both sides is correspondingly arranged.
Preferably, being provided with blade (11) on the snare ring (1) the only elastic metallic yarn of side.
Preferably, the blade (11) is parallel with snare ring (1) plane.
Preferably, the blade (11) is arranged with snare ring (1) plane in angle.
Preferably, the elastic metallic yarn is sub-thread or the titanium-nickel wire of multiply.
The handle (5) is equipped with thumb rings (7).It is arranged with protection sleeve pipe (4), protective case outside the insulation tube (3)
The proximal end of pipe (4) is fixedly connected with handle (5).
For the utility model as a result of above technical scheme, snare ring many places are set as blade structure, and snare ring enters
Lesion locations, it is easy to clamp the polyp of arbitrary shape, then pass through the snare ring of belt tensioner blade structure, so that it may will cease
Meat clamping and smooth excision, it is very convenient quick without being powered, operating time is substantially reduced, the pain of patient is alleviated.And
Due to being cold cutting process, apparent pathology layering can be retained, be conducive to further analysis of the doctor to lesion.
Description of the drawings
Fig. 1：The structural schematic diagram of the utility model；
Fig. 2：A kind of structural schematic diagram of embodiment of the utility model；
Fig. 3：The structural schematic diagram of the utility model another embodiment；
Fig. 4：The structural schematic diagram of the utility model another embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify to describe, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
A kind of cold snare as shown in Figure 1, including snare ring 1, mandrel 2, insulation tube 3, handle 5 and slide handle 6 are sliding
Dynamic handle 6 is slidably connected with handle 5, and 2 outside of mandrel is arranged insulation tube 3, and the proximal end of insulation tube 3 is fixedly connected with handle 5, mandrel
2 proximal end is connect with slide handle 6, and the distal end of mandrel 2 is pierced by the distal end of insulation tube 3 and is connected with snare ring 1, the snare ring
Several blades 11 are installed on 1 elastic metallic yarn, when snare ring 1 is tightened, group that 11 cutting ring lantern ring 1 of blade is surrounded
It knits.
The blade plane of snare ring is not limited to parallel, angled with the plane of snare ring；Blade position can be symmetrical arranged, hand
Similar to scissors function when art operates；Blade may also be arranged on snare ring one side position, the function that when surgical procedure cuts similar to knife；Circle
The structure of lantern ring is not limited to monofilament, multiple thread strands, and material is not limited to titanium-nickel wire and titanium-nickel wire；The tip of snare ring is not limited to cyclic annular bullet
Spring structure.
In the present embodiment, in Fig. 2 to Fig. 4, the snare ring 1 includes two elastic metallic yarns, this two elastic metallics
One end of silk is fixedly connected with mandrel 2, and the other end of this two elastic metallic yarns forms snare by a ring-spring 12 connection
Ring tip.Here two elastic metallic yarns are the restrictions to the snare ring structure to complete, in fact, the snare ring can be by
A piece elastic metallic yarn is in centre position around the ring-spring structure at a cast lopping lantern ring tip, two tails of the elastic metallic yarn
End is fixedly connected with making with mandrel and is formed.
In the first embodiment of the utility model, as shown in Fig. 2, the elastic metallic yarn of the only side of the snare ring 1
On be provided with blade 11, and the blade 11 with 1 plane of snare ring in angle setting.
In the another embodiment of the utility model, as shown in figure 3, the elastic metallic yarn of the only side of the snare ring 1
On be provided with blade 11, the blade 11 is parallel with 1 plane of snare ring.
In the another embodiment of the utility model, as shown in figure 4, on the elastic metallic yarn of 1 both sides of snare ring
It is both provided with blade 11, and the blade 11 or so on the elastic metallic yarn of 1 both sides of snare ring is correspondingly arranged.
In the present embodiment, the elastic metallic yarn is sub-thread or the titanium-nickel wire of multiply.The handle 5 is equipped with thumb rings 7.
3 outside of the insulation tube is arranged with protection sleeve pipe 4, and the proximal end of protection sleeve pipe 4 is fixedly connected with handle 5.
In operation is implemented, snare ring is withdrawn in insulation tube, when snare distal end enters lesion locations, in the operation of handle
Under, snare ring is slowly released, since snare annulus has blade structure, it is easy to which then the polyp for clamping arbitrary shape leads to
Tightening ring lantern ring is crossed, smoothly by polyp clamping and smooth excision.Whole process is not necessarily to logical high-frequency electrical.
Following technique effect can reach using the utility model：
1. directly cold cut polyp or tumour during surgery, can be removed, without being powered；
2. after polyp or tumor resection, the layering of can effectively protect pathology；
3. when snare ring forming, ring-spring structure can prevent the deformation after snare ring forming, ensure the steady of product structure
It is qualitative.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this hair
Within bright protection domain.
Claims (10)
1. a kind of cold snare, including snare ring (1), mandrel (2), insulation tube (3), handle (5) and slide handle (6), sliding
Handle (6) is slidably connected with handle (5), and insulation tube (3) is arranged outside mandrel (2), and the proximal end of insulation tube (3) and handle (5) are solid
Fixed connection, the proximal end of mandrel (2) are connect with slide handle (6), and the distal end of mandrel (2) is pierced by distal end and the connection of insulation tube (3)
There is snare ring (1), which is characterized in that several blades (11) are installed, in snare on the elastic metallic yarn of the snare ring (1)
When ring (1) is tightened, tissue that blade (11) cutting ring lantern ring (1) is surrounded.
2. a kind of cold snare according to claim 1, which is characterized in that the snare ring (1) includes two elasticity gold
Belong to silk, one end of this two elastic metallic yarns is fixedly connected with mandrel (2), and the other end of this two elastic metallic yarns passes through a ring
Shape spring (12) connection forms snare ring tip.
3. a kind of cold snare according to claim 1, which is characterized in that the elastic metallic of snare ring (1) both sides
It is both provided with blade (11) on silk.
4. a kind of cold snare according to claim 3, which is characterized in that the elastic metallic of snare ring (1) both sides
Blade (11) left and right on silk is correspondingly arranged.
5. a kind of cold snare according to claim 1, which is characterized in that the elasticity gold of the snare ring (1) only side
Belong to and is provided with blade (11) on silk.
6. a kind of cold snare according to claim 1, which is characterized in that the blade (11) and snare ring (1) plane
It is parallel.
7. a kind of cold snare according to claim 1, which is characterized in that the blade (11) and snare ring (1) plane
It is arranged in angle.
8. a kind of cold snare according to claim 1, which is characterized in that the elastic metallic yarn is sub-thread or multiply
Titanium-nickel wire.
9. a kind of cold snare according to claim 1, which is characterized in that the handle (5) is equipped with thumb rings (7).
10. a kind of cold snare according to claim 1, which is characterized in that be arranged with protection outside the insulation tube (3)
The proximal end of casing (4), protection sleeve pipe (4) is fixedly connected with handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720797829.8U CN207755371U (en) | 2017-07-04 | 2017-07-04 | A kind of cold snare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720797829.8U CN207755371U (en) | 2017-07-04 | 2017-07-04 | A kind of cold snare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207755371U true CN207755371U (en) | 2018-08-24 |
Family
ID=63177809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720797829.8U Active CN207755371U (en) | 2017-07-04 | 2017-07-04 | A kind of cold snare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207755371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998841A (en) * | 2021-02-08 | 2021-06-22 | 东莞市南城医院 | Lower snare electric cutter for choledochoscope |
-
2017
- 2017-07-04 CN CN201720797829.8U patent/CN207755371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998841A (en) * | 2021-02-08 | 2021-06-22 | 东莞市南城医院 | Lower snare electric cutter for choledochoscope |
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