CN208808601U - Piercing needle and visual puncturing needle with sword side - Google Patents
Piercing needle and visual puncturing needle with sword side Download PDFInfo
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- CN208808601U CN208808601U CN201820549086.7U CN201820549086U CN208808601U CN 208808601 U CN208808601 U CN 208808601U CN 201820549086 U CN201820549086 U CN 201820549086U CN 208808601 U CN208808601 U CN 208808601U
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Abstract
The utility model discloses a kind of piercing needles with sword side, including positioning head, at least two edges and guide way；The positioning head is located at the front end of guide way, and the edge is arranged on the outer surface of guide way；The cutting edge of the edge of the syringe needle is round cutting edge, or part is circle cutting edge, is partially angle cutting edge.The invention also discloses a kind of visual puncturing needles, include the piercing needle.The visual puncturing needle construction of the utility model is simple, easy to use, good airproof performance, can effectively reduce the penetration Resistance in puncture needle insertion abdominal cavity, and reduces the injury of puncture process bring, can shorten operating time and reduce operation risk.
Description
Technical field
The utility model relates to puncture outfit technical field, especially a kind of piercing needle and visual puncturing with sword side
Needle.
Background technique
Popularity rate of the Minimally Invasive Surgery on clinical operation is higher and higher, and puncture outfit is required a kind of doctor in Minimally Invasive Surgery
Treat instrument.Puncture needle is the building block of puncture outfit, and visual puncturing needle is then most-often used one kind.Currently, in the market
The syringe needle of puncture needle is broadly divided into three kinds: the first is blunt nosed syringe needle, and second is band sword syringe needle, the third is band knife needle head.
The advantages of blunt nosed syringe needle is can to reduce in puncture process to injure taeniae telarum, inconvenient the disadvantage is that penetration Resistance is big；Band
The advantages of knife needle head is that penetration Resistance is small, the disadvantage is that the injury to tissue is big, to the potential risk height of viscera tissue；Band sword syringe needle
It is between a kind of design between the above two, but sword side generally has sharp cutting edge, so advantage and disadvantage and first with knife needle
Sample.
Meanwhile most of needle tubing of visual puncturing needle currently on the market has fabrication hole, although being increased in needle cover
Sealing structure, but product structure also becomes complicated, and there is also the risks of gas leakage.
Therefore, it is necessary to a kind of novel puncture syringe needle and visual puncturing needles.
Utility model content
First of the utility model is designed to provide a kind of piercing needle with sword side.
Second of the utility model is designed to provide a kind of visual puncturing needle comprising aforementioned piercing needle.
To realize above-mentioned first purpose, the utility model uses the following contents:
A kind of piercing needle with sword side, including positioning head, at least two edges and guide way；The positioning head position
In the front end of guide way, the edge is arranged on the outer surface of guide way；The cutting edge of the edge of the syringe needle is circle
Cutting edge, or part are circle cutting edge, are partially angle cutting edge.
Further, the syringe needle includes positioning head, two edges and guide way；The positioning head is located at guide way
Front end, two edges are symmetricly set on the outer surface of guide way.
Further, the guide way is taper guide way or oval guide way.
Further, the syringe needle further includes protective, positioned at the rear end of guide way.
Further, the syringe needle further includes positioning and guiding body, between positioning head and guide way.
To realize above-mentioned second purpose, the utility model uses the following contents:
A kind of visual puncturing needle, contains aforementioned piercing needle.
Further, the visual puncturing needle includes needle cover, fixed ring and needle tubing；The needle cover has needle cover hole；It is described
Fixed ring has fixation hole；The needle tubing includes sequentially connected syringe needle, shank and needle stand, has viewing hole；The needle stand with
Needle cover is fixedly connected, and has gap between the two；The fixed ring is between needle stand and needle cover；The needle cover hole, fixation hole,
Viewing hole is sequentially communicated.
Further, the needle cover also has connection ring, and connection ring has lower pressure surface；The fixed ring also has positioning
Slot；The needle stand includes joint face, positioning ring and viewing hole, and viewing hole, self-positioning circumferential direction surrounding is arranged at the center of positioning ring
It extend horizontally away joint face；The connection ring is fixed with joint face, and locating slot and positioning ring cooperate.
Further, the needle cover also has outer ring, and the inner surface of outer ring is arranged in connection ring, is arranged at the center of outer ring
Needle cover hole；The fixed ring has ring body, and fixation hole is arranged at the center of ring body, and positioning is arranged in the inner surface of ring body
Slot；The connection ring is welded and fixed with joint face；The ring body is fixed between lower pressure surface and joint face.
The utility model has the advantage that
The visual puncturing needle construction of the utility model is simple, easy to use, good airproof performance, can effectively reduce puncture needle and insert
Enter the penetration Resistance in abdominal cavity, and reduce the injury of puncture process bring, operating time can be shortened and reduces operation risk.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is that (A is perspective view, and B is main view, and C is for the structural schematic diagram of the piercing needle with sword side of embodiment 1
Top view).
Fig. 2 is the whole stereoscopic schematic diagram of the visual puncturing needle of the utility model.
Fig. 3 is the decomposition diagram of the visual puncturing needle of the utility model.
Fig. 4 is that (A is reverse side perspective view, and B is that front is vertical for the stereoscopic schematic diagram of the needle cover of the visual puncturing needle of the utility model
Body figure).
Fig. 5 is that (A is isometric front view, and B is reverse side for the stereoscopic schematic diagram of the fixed ring of the visual puncturing needle of the utility model
Perspective view).
Fig. 6 is the stereoscopic schematic diagram of the needle tubing of the visual puncturing needle of the utility model.
Fig. 7 is the cross-sectional view of the visual puncturing needle of the utility model.
Fig. 8 is that (A is perspective view, and B is main view, and C is for the structural schematic diagram of the piercing needle with sword side of embodiment 2
Top view).
Fig. 9 is that (A is perspective view, and B is main view, and C is for the structural schematic diagram of the piercing needle with sword side of embodiment 3
Top view).
Figure 10 is that (A is perspective view, and B is main view, and C is for the structural schematic diagram of the piercing needle with sword side of embodiment 4
Top view).
Figure 11 is that (A is perspective view, and B is main view, and C is for the structural schematic diagram of the piercing needle with sword side of embodiment 5
Top view).
Figure 12 is the structural schematic diagram of double angle cutting edges of the piercing needle with sword side of embodiment 6.
In figure, each appended drawing reference are as follows:
1- puncture needle；10- needle cover；100- connection ring；Pressure surface under 101-；102- outer ring；103- needle cover hole；20- fixed ring；
200- locating slot；201- fixation hole；202- ring body；30- needle tubing；31- syringe needle；310- positioning head；311- edge；3110-
Circle cutting edge；The angle 3111- cutting edge；312- taper guide way；313- protective；314- positioning and guiding body；315- ellipse guide way；
32- shank；33- needle stand；330- joint face；331- positioning ring；332- viewing hole.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done further below with reference to preferred embodiment
It is bright.It will be appreciated by those skilled in the art that specifically described content is illustrative and be not restrictive below, it should not be with this
Limit the protection scope of the utility model.
Embodiment 1
As shown in Figure 1, being the structural schematic diagram of the piercing needle with sword side of embodiment 1.This has the puncture on sword side
Syringe needle 31 includes 310, two edges 311 of positioning head and taper guide way 312.Positioning head 310 is located at taper guide way 312
Front end, two edges 311 are symmetricly set on the outer surface of taper guide way 312.In the present embodiment, two edges
311 four cutting edges are round cutting edge 3110.
As shown in Figures 2 and 3, be the utility model visual puncturing needle schematic diagram.The puncture needle 1 includes needle cover 10, consolidates
Determine ring 20 and needle tubing 30.
As shown in figure 4, needle cover 10 has connection ring 100, outer ring 102 and needle cover hole 103；Connection ring 100 is arranged in outer ring
102 inner surface has lower pressure surface 101；At the center of outer ring 102, needle cover hole 103 is set.
As shown in figure 5, fixed ring 20 has ring body 202, fixation hole 201 and locating slot 200；In ring body 202
Fixation hole 201 is arranged in the heart, and locating slot 200 is arranged in the inner surface of ring body 202.
As shown in fig. 6, needle tubing 30 includes sequentially connected syringe needle 31, shank 32 and needle stand 33.Syringe needle 31 is band above-mentioned
There is the piercing needle on sword side.Needle stand 33 includes joint face 330, positioning ring 331 and viewing hole 332；It is set at the center of positioning ring 331
Set viewing hole 332；Self-positioning ring 331 extend horizontally away joint face 330 around.
As shown in fig. 7, connection ring 100 is welded and fixed with joint face 330, there is gap between needle stand 33 and needle cover 10；Ring
Ontology 202 is fixed between lower pressure surface 101 and joint face 330, and locating slot 200 and positioning ring 331 cooperate；Needle cover hole 103 is consolidated
Determine hole 201, viewing hole 332 is sequentially communicated.
In use, the camera lens of endoscope passes sequentially through needle cover hole 103, fixation hole 201, viewing hole 332 reach syringe needle 31
Endoscope is fixed in puncture needle 1 by inside, fixed ring 20.When puncture needle 1 is inserted into puncture tube, outer ring 102 positions puncture needle 1
On puncture tube.
In the puncture needle of the utility model, fixed ring 20 has high resiliency, and syringe needle 31 has high light transmittance；Shank 32 and needle
First 31 is whole with holes, avoids the risk of gas leakage；Positioning head 310 can be such that puncture needle 1 is accurately positioned in use, subtract
Other small unnecessary injuries；Taper guide way 312 can reduce the penetration Resistance of puncture needle；Circle cutting edge 3110 and edge
311 cooperations can guarantee to reduce the injury to tissue while puncture needle is easily inserted abdominal wall tissue in use.
Embodiment 2
As shown in figure 8, being the structural schematic diagram of the piercing needle with sword side of embodiment 2.This has the puncture on sword side
Syringe needle 31 includes 310, two edges 311 of positioning head, taper guide way 312 and protective 313.Positioning head 310 is located at taper
The front end of guide way 312, two edges 311 are symmetricly set on the outer surface of taper guide way 312, and protective 313 is located at
The rear end of taper guide way 312.In the present embodiment, four cutting edges of two edges 311 are round cutting edge 3110.Setting is protected
Watch box 313 can further decrease the injury of 311 pairs of edge tissues, while also can increase between abdominal wall tissue and puncture tube
Leakproofness.
Embodiment 3
As shown in figure 9, being the structural schematic diagram of the piercing needle with sword side of embodiment 3.This has the puncture on sword side
Syringe needle 31 includes 310, two edges 311 of positioning head, taper guide way 312, protective 313 and positioning and guiding body 314.Positioning
Guide way 314 is located at the front end of taper guide way 312, and positioning head 310 is located at the front end of positioning and guiding body 314, two edges
311 are symmetricly set on the outer surface of taper guide way 312, and protective 313 is located at the rear end of taper guide way 312.In this reality
It applies in example, four cutting edges of two edges 311 are round cutting edge 3110.Setting protective 313 can further decrease twolip
The injury of the 311 pairs of tissues in side, while also can increase the leakproofness between abdominal wall tissue and puncture tube.Positioning and guiding body 314 can
Enhance the positioning performance of positioning head 310, while puncture resistance can also be enhanced, reduces penetration Resistance.
Embodiment 4
As shown in Figure 10, be embodiment 4 the piercing needle with sword side structural schematic diagram.This has the puncture on sword side
Syringe needle 31 includes 310, two edges 311 of positioning head, oval guide way 315 and protective 313.Positioning head 310 is located at ellipse
The front end of guide way 315, two edges 311 are symmetricly set on the outer surface of oval guide way 315, and protective 313 is located at
The rear end of oval guide way 315.In the present embodiment, four cutting edges of two edges 311 are round cutting edge 3110.Ellipse is led
It can reduce puncture resistance to body 315, reduce the injury of 1 pair of puncture needle tissue.Setting protective 313 can further decrease double
The injury of the 311 pairs of tissues in sword side, while also can increase the leakproofness between abdominal wall tissue and puncture tube.
Embodiment 5
As shown in figure 11, be embodiment 5 the piercing needle with sword side structural schematic diagram.This has the puncture on sword side
Syringe needle 31 includes 310, two edges 311 of positioning head, oval guide way 315, protective 313 and positioning and guiding body 314.Positioning
Guide way 314 is located at the front end of oval guide way 315, and positioning head 310 is located at the front end of positioning and guiding body 314, two edges
311 are symmetricly set on the outer surface of oval guide way 315, and protective 313 is located at the rear end of oval guide way 315.In this reality
It applies in example, four cutting edges of two edges 311 are round cutting edge 3110.Oval guide way 315 can reduce puncture resistance, subtract
The injury of 1 pair of small puncture needle tissue.Protective 313, which is arranged, can further decrease the injury of 311 pairs of edge tissues, simultaneously also
It can increase the leakproofness between abdominal wall tissue and puncture tube.Positioning and guiding body 314 can enhance the positioning performance of positioning head 310,
Puncture resistance can also be enhanced simultaneously, reduce penetration Resistance.
Embodiment 6
Figure 12 is the structural schematic diagram of double angle cutting edges of the piercing needle with sword side of embodiment 6.In the present embodiment,
The piercing needle with sword side in other structures similar embodiment 1-5, difference are, in order to increase the puncture of puncture needle 1
Can, penetration Resistance is reduced, four cutting edges of two edges 311 are made of two round cutting edges 3110 and two angle cutting edges 3111.
Angle cutting edge 3111 is sharper than round cutting edge 3110, can faster chorista.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (9)
1. a kind of piercing needle with sword side, which is characterized in that including positioning head, at least two edges and guide way；Institute
The front end that positioning head is located at guide way is stated, the edge is arranged on the outer surface of guide way；The edge of the syringe needle
Cutting edge is round cutting edge, or part is circle cutting edge, is partially angle cutting edge.
2. a kind of piercing needle with sword side according to claim 1, which is characterized in that the syringe needle includes positioning
Head, two edges and guide way；The positioning head is located at the front end of guide way, and two edges are symmetricly set on guide way
On outer surface.
3. a kind of piercing needle with sword side according to claim 1 or 2, which is characterized in that the guide way is cone
Shape guide way or oval guide way.
4. a kind of piercing needle with sword side according to claim 1 or 2, which is characterized in that the syringe needle further includes
Protective, positioned at the rear end of guide way.
5. a kind of piercing needle with sword side according to claim 1 or 2, which is characterized in that the syringe needle further includes
Positioning and guiding body, between positioning head and guide way.
6. a kind of visual puncturing needle, which is characterized in that contain piercing needle a method as claimed in any one of claims 1 to 5.
7. a kind of visual puncturing needle according to claim 6, which is characterized in that the visual puncturing needle includes needle cover, consolidates
Determine ring and needle tubing；The needle cover has needle cover hole；The fixed ring has fixation hole；The needle tubing includes sequentially connected needle
Head, shank and needle stand have viewing hole；The needle stand is fixedly connected with needle cover, has gap between the two；The fixed ring position
Between needle stand and needle cover；The needle cover hole, fixation hole, viewing hole are sequentially communicated.
8. a kind of visual puncturing needle according to claim 7, which is characterized in that the needle cover also has connection ring, connection
Ring has lower pressure surface；The fixed ring also has locating slot；The needle stand includes joint face, positioning ring and viewing hole, is being positioned
Viewing hole is arranged in the center of ring, and self-positioning circumferential direction surrounding extend horizontally away joint face；The connection ring is fixed with joint face, positioning
Slot and positioning ring cooperate.
9. a kind of visual puncturing needle according to claim 8, which is characterized in that the needle cover also has outer ring, connection ring
The inner surface of outer ring is set, needle cover hole is set at the center of outer ring；The fixed ring has ring body, at the center of ring body
Fixation hole is set, locating slot is set in the inner surface of ring body；The connection ring is welded and fixed with joint face；The ring body quilt
It is fixed between lower pressure surface and joint face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549086.7U CN208808601U (en) | 2018-04-18 | 2018-04-18 | Piercing needle and visual puncturing needle with sword side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549086.7U CN208808601U (en) | 2018-04-18 | 2018-04-18 | Piercing needle and visual puncturing needle with sword side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208808601U true CN208808601U (en) | 2019-05-03 |
Family
ID=66268272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820549086.7U Active CN208808601U (en) | 2018-04-18 | 2018-04-18 | Piercing needle and visual puncturing needle with sword side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208808601U (en) |
-
2018
- 2018-04-18 CN CN201820549086.7U patent/CN208808601U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 226300 building A1, No. 173 Ganjiang Road, Tongzhou Bay Jianghai joint development demonstration zone, Nantong City, Jiangsu Province Patentee after: Wanheng medical technology (Nantong) Co.,Ltd. Address before: No. 108 Qiantangjiang Road, Tongzhou Bay Jianghai joint development demonstration zone, Nantong City, Jiangsu Province, 226000 Patentee before: VHMED (NANTONG) Co.,Ltd. |