CN104188713B - Puncturing lever and there is the perforator of described puncturing lever - Google Patents
Puncturing lever and there is the perforator of described puncturing lever Download PDFInfo
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- CN104188713B CN104188713B CN201410460165.7A CN201410460165A CN104188713B CN 104188713 B CN104188713 B CN 104188713B CN 201410460165 A CN201410460165 A CN 201410460165A CN 104188713 B CN104188713 B CN 104188713B
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- 230000001154 acute effect Effects 0.000 claims description 27
- 238000005452 bending Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 210000003815 abdominal wall Anatomy 0.000 abstract description 29
- 210000001519 tissue Anatomy 0.000 description 28
- 230000000694 effects Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 210000002784 stomach Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000005646 Pneumoperitoneum Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000004303 peritoneum Anatomy 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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- Heart & Thoracic Surgery (AREA)
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Abstract
Present invention is disclosed a kind of puncturing lever and have the perforator of described puncturing lever, described puncturing lever includes that guidance part and plectrum, described guidance part are positioned at the end of described puncturing lever, described plectrum radially convexedly stretching on described guidance part in described guidance part；Described plectrum includes the first side wall and the second sidewall, it is formed with angle between described the first side wall and described second sidewall, described the first side wall is the first interface with the junction of described second sidewall, described the first side wall is the second interface with the junction of described guidance part, described second sidewall is the 3rd interface with the junction of described guidance part, described first interface is more than the distance present invention of described second interface and described 3rd interface extremely described guidance part by becoming to have the first side wall and second sidewall of angle by the sidewall design of the plectrum on puncturing lever to the distance of described guidance part, the damage of the plectrum abdominal wall tissue to being in contact with it can be reduced.
Description
Technical field
The invention belongs to manufacture technology field of medical appliance, be specifically related to a kind of Medical puncture instrument.
Background technology
Perforator is an important basic apparatus in endoscope-assistant surgery, the good and bad smoothness directly influencing whether operation of its performance, is also the supporting apparatus of intracavity Endo-GIA simultaneously.
At present, the subject matter that perforator exists clinically is: the damage to stomach wall is bigger.For anatomically, being made up of skin holostrome, superficial fascia, obliquus externus abdominis m., obliquus internus abdominis m., transversus abdominis m., transverse fascia, peritoneum etc. outside the two of stomach wall, perforator enters and stomach wall can be produced damage in various degree.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of puncturing lever and has the perforator of described puncturing lever, by the sidewall sidewall of the plectrum on puncturing lever being designed with the first side wall and second sidewall of angle, reach to reduce the purpose of the damage of the plectrum abdominal wall tissue to being in contact with it.
For achieving the above object, the present invention provides a kind of puncturing lever, and in perforator, described puncturing lever includes that guidance part and plectrum, described guidance part are positioned at the end of described puncturing lever；Described plectrum radially convexedly stretching on described guidance part in described guidance part；nullWherein，Described plectrum includes the first side wall and the second sidewall，It is formed with angle between described the first side wall and described second sidewall，Described the first side wall is the first interface with the junction of described second sidewall，Described the first side wall is the second interface with the junction of described guidance part，Described second sidewall is the 3rd interface with the junction of described guidance part，Described first interface is more than described second interface and the distance of described 3rd interface extremely described guidance part to the distance of described guidance part，Described plectrum also includes front surface and the back surface being oppositely arranged，Sidewall is located between described front surface and described back surface，Described front surface and described back surface are between described sidewall and described guidance part，Described puncturing lever includes the first plectrum and the second plectrum，Described first plectrum and described second plectrum are symmetrical along the axial centre of described guidance part，The first side wall of described first plectrum and the angle of its front surface are the first angle，The first side wall of described first plectrum and the angle of its back surface are the second angle，The first side wall of described second plectrum and the angle of its front surface are the 3rd angle，The first side wall of described second plectrum and the angle of its back surface are the 4th angle，Described first angle and described 4th angle be obtuse angle or acute angle one of them，Described second angle and described 3rd angle be obtuse angle or acute angle wherein another.
As a further improvement on the present invention, described the first side wall includes the first planar portions and the first cambered surface portion, described first cambered surface portion is connected with described guidance part, and described second sidewall includes that the second planar portions and the second cambered surface portion, described second cambered surface portion are connected with described guidance part.
As a further improvement on the present invention, the first side wall of described first plectrum and the angle of its front surface are obtuse angle, and the first side wall of described first plectrum and the angle of its back surface are acute angle；The first side wall of described second plectrum and the angle of its front surface are acute angle, and the first side wall of described second plectrum and the angle of its back surface are obtuse angle.
As a further improvement on the present invention, the first side wall of described first plectrum and the angle of its front surface are acute angle, and the first side wall of described first plectrum and the angle of its back surface are obtuse angle；The first side wall of described second plectrum and the angle of its front surface are obtuse angle, and the first side wall of described second plectrum and the angle of its back surface are acute angle.
As a further improvement on the present invention, arc transition is passed through in the bending place of above-mentioned angle.
The present invention also provides for a kind of puncturing lever, and in perforator, described puncturing lever includes guidance part and plectrum,
Described guidance part is positioned at the end of described puncturing lever；Described plectrum radially convexedly stretching on described guidance part in described guidance part；nullWherein，At least one tip it is formed with on described plectrum，Described plectrum also includes that combination forms the first side wall of described tip、Second sidewall、The front surface being oppositely arranged and back surface，Sidewall is located between described front surface and described back surface，Described front surface and described back surface are between described sidewall and described guidance part，Described puncturing lever includes the first plectrum and the second plectrum，Described first plectrum and described second plectrum are symmetrical along the axial centre of described guidance part，The first side wall of described first plectrum and the angle of its front surface are the first angle，The first side wall of described first plectrum and the angle of its back surface are the second angle，The first side wall of described second plectrum and the angle of its front surface are the 3rd angle，The first side wall of described second plectrum and the angle of its back surface are the 4th angle，Described first angle and described 4th angle be obtuse angle or acute angle one of them，Described second angle and described 3rd angle be obtuse angle or acute angle wherein another.
As a further improvement on the present invention, described the first side wall and described second sidewall are formed with angle between connecting, and the outward flange of described angle is set to described tip；Described the first side wall includes that the first planar portions and the first cambered surface portion, described first cambered surface portion are connected with described guidance part, and described second sidewall includes that the second planar portions and the second cambered surface portion, described second cambered surface portion are connected with described guidance part.
As a further improvement on the present invention, the first side wall of described first plectrum and the angle of its front surface are obtuse angle, and the first side wall of described first plectrum and the angle of its back surface are acute angle；The first side wall of described second plectrum and the angle of its front surface are acute angle, and the first side wall of described second plectrum and the angle of its back surface are obtuse angle.
The present invention also proposes a kind of perforator, and including puncture casing and puncturing lever as above, described puncturing lever is arranged in described puncture casing separatably, and described guidance part stretches out described puncture casing.
Compared with prior art, the sidewall design of the plectrum of puncturing lever of the present invention becomes to have the first side wall and second sidewall of angle, can ensure to puncture effect in the case of not damaging abdominal wall musculature.
Accompanying drawing explanation
Fig. 1 is the structural representation of puncturing lever of the present invention；
The structure for amplifying schematic diagram in Tu2Shi Tu1Zhong A district；
Fig. 3 is the structure for amplifying schematic diagram of guidance part of the present invention and plectrum；
Fig. 4 be plectrum of the present invention look up structural representation；
Structural representation when Fig. 5 is that in one embodiment of the invention, the first plectrum and the second plectrum strut abdominal wall tissue；
Structural representation when Fig. 6 is that in another embodiment of the present invention, the first plectrum and the second plectrum strut abdominal wall tissue；
Fig. 7 is perforator structural representation of the present invention.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments are not limiting as the present invention, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are included in protection scope of the present invention.
The word expressing position and direction described in the present invention, is all using exercises on apparatus author as reference, is near-end near one end of operator, and the one end away from operator is far-end.
See the structural representation that Fig. 1, Fig. 1 are puncturing lever of the present invention.Puncturing lever 10 includes that guidance part 11 and plectrum 12, described guidance part 11 are positioned at the end of described puncturing lever 10；Described plectrum 12 radially convexedly stretches on described guidance part 11 in described guidance part 11, wherein, the sidewall of described plectrum includes the first side wall 122 and the second sidewall 121, it is formed with angle between described the first side wall 122 and described second sidewall 121, described the first side wall 122 is the first interface with the junction of described second sidewall 121, described the first side wall 122 is the second interface with the junction of described guidance part 11, described second sidewall 121 is the 3rd interface with the junction of described guidance part 11, described first interface is more than described second interface and the distance of described 3rd interface extremely described guidance part 11 to the distance of described guidance part 11.That is, the angle between the first side wall 122 and second sidewall 121 of described plectrum 12 is evagination for plectrum 12 body.Because stomach wall has multilayer tissue, become there is the first side wall 122 and second sidewall 121 of angle by the sidewall design of plectrum 12, the damage of the plectrum 12 abdominal wall tissue to being in contact with it can be reduced.
As in figure 2 it is shown, the structure for amplifying schematic diagram in Tu2Shi Tu1Zhong A district.Described the first side wall 122 includes the first planar portions 1221 and the first cambered surface portion 1222, described first cambered surface portion 1222 is connected with described guidance part 11, described second sidewall 121 includes the second planar portions 1211 and the second cambered surface portion 1212, and described second cambered surface portion 1212 is connected with described guidance part 11.The first cambered surface portion 1222 and the second cambered surface portion 1212 will be designed to guidance part 11 connection, cambered surface design can make plectrum 12 the softest with the connection of guidance part 11, and the when of preventing guidance part 11 from entering abdominal wall tissue, plectrum 12 and the junction of guidance part 11 are because mistake is for sharp and damage abdominal wall tissue.
As shown in Figure 1, described plectrum 12 also includes front surface 123 and the back surface 124 being oppositely arranged with described front surface 123, described sidewall is located between described front surface 123 and described back surface 124, and described front surface 123 and described back surface 124 are between described sidewall and described guidance part 11.
As shown in Figures 3 and 4, Fig. 3 is the structure for amplifying schematic diagram of guidance part of the present invention and plectrum, Fig. 4 be plectrum of the present invention look up structural representation.Described plectrum 12 includes the first plectrum 13 and the second plectrum 14, the first plectrum 13 and the second plectrum 14 centrosymmetry on the axis direction of described puncturing lever 10.The described the first side wall 132 of described first plectrum 13 is the first angle α with the angle of described first front surface 133, the first side wall 132 of described first plectrum 13 is the second angle β with the angle of described first back surface 134, described first angle α is obtuse angle, and described second angle β is acute angle；The described the first side wall 142 of described second plectrum 14 is the 3rd angle γ with the angle of described first front surface 143, the first side wall 142 of described second plectrum 14 is the 4th angle δ with the angle of described first back surface 144, described 3rd angle γ is acute angle, and described 4th angle δ is obtuse angle.Described first angle α and described 3rd angle γ are complementary relationship, and described first angle α and described second angle β are complementary relationship.But it is not limited, depending on the angle of each angle and relation can be by concrete conditions.But the angle design of first plectrum 13 of the present invention and the second plectrum 14 is not limited thereto, such as can be that described first angle α is acute angle, and described second angle β is obtuse angle, and meanwhile, described 3rd angle γ is obtuse angle, and described 4th angle δ is acute angle.Arc transition is passed through in the bending place of aforementioned four angle, is possible to prevent angle bending place to damage abdominal wall tissue because crossing sharp.
As it is shown in figure 5, structural representation when Fig. 5 is one embodiment of the invention the first plectrum 13 and the second plectrum 14 struts abdominal wall tissue 30.In Fig. 5, the two ends of the first side wall 132 of the first plectrum 13 are respectively defined as first and strut end 135 and the first auxiliary end 136, the two ends of the first side wall 142 of the second plectrum 14 are respectively defined as second and strut end 145 and the second auxiliary end 146, it can be seen that, described first struts end 135 and described second struts end 145 for diagonal relationship, and this kind of design can make the first plectrum 13 and the second plectrum 14 that abdominal wall tissue 30 is strutted effect more preferably.
Operation principle with regard to described first plectrum 13 and the second plectrum 14 is described in detail below.First plectrum 13 and the second plectrum 14 do not have dissection to abdominal wall tissue 30, and the effect of the first plectrum 13 and the second plectrum 14 is to strut abdominal wall tissue 30.In use, first with scalpel by incision of skin, then puncturing lever 10 is goed deep into indentation, there, rotate puncturing lever 10, thus drive the first plectrum 13 and the second plectrum 14 to rotate and strut abdominal wall tissue 30.In puncturing lever 10 rotary course, abdominal wall tissue 30 is played the effect of strutting and is mainly described first and struts end and 135 and second strut end 145.The present invention has the first plectrum 13 and the second plectrum 14, when puncturing lever 10 enters abdominal wall tissue 30, abdominal wall tissue 30 is strutted into generally elliptical breach by the first plectrum 13 and the second plectrum 14, optimal when penetrating, the plane making the first plectrum 13 and the second plectrum 14 be formed is parallel with the machine direction of abdominal wall tissue 30, thus prevents the first plectrum 13 and the second plectrum 14 from damaging the fiber of abdominal wall tissue 30.The present invention preferably comprises the first plectrum 13 and the second plectrum 14, if now also having the 3rd plectrum, the most described 3rd plectrum may damage tissue fibers.As shown in Figure 5, when puncturing lever 10 rotates along counter clockwise direction B, first struts end 134 abdominal wall tissue 30 to being in contact with it produces active force and struts described part abdominal wall tissue 30, now second strut end and 145 also the abdominal wall tissue 30 being in contact with it is had active force, and described part abdominal wall tissue 30 is strutted.It is designed to axial symmetry compared to by the first plectrum 13 and the second plectrum 14, centrosymmetric design can make described first to strut end 135 and described second to strut end and 145 all abdominal wall tissue 30 is played the effect of strutting in puncturing lever 10 rotary course, so that strutting better.
Structural representation when Fig. 6 is that in another embodiment of the present invention, the first plectrum 13 and the second plectrum 14 strut abdominal wall tissue 30.Described embodiment is in the difference of above-described embodiment: in described embodiment, angle between the first side wall 132 and described first front surface 133 of described first plectrum 13 is acute angle, and the angle between the first side wall 142 of described second plectrum 14 and described first front surface 143 is obtuse angle.Now, described puncturing lever 10 can be rotated according to clockwise direction C, thus still can ensure that described first struts end 135 and described second and strut end and 145 all abdominal wall tissue 30 is played the effect of strutting in puncturing lever 10 rotary course.
The present invention also provides for the puncturing lever of another embodiment, and the difference with the puncturing lever in above-described embodiment is: have at least one tip on the plectrum of the present embodiment, utilizes described tip that abdominal wall tissue is played the effect of pushing aside.The present embodiment is roughly the same with the structure of above-described embodiment, refering to Fig. 1 to Fig. 3, the present embodiment is described, described plectrum 12 includes the first side wall 122 and the second sidewall 121, described the first side wall 122 and described second sidewall 121 are formed with angle between connecting, and the outward flange of described angle is set to described tip；Described the first side wall 122 includes the first planar portions 1221 and the first cambered surface portion 1222, described first cambered surface portion 1222 is connected with described guidance part 11, described second sidewall 121 includes the second planar portions 1211 and the second cambered surface portion 1212, and described second cambered surface portion 1212 is connected with described guidance part 11；Described plectrum 12 also includes front surface 123 and the back surface 124 being oppositely arranged, and described sidewall is located between described front surface 123 and described back surface 124, and described front surface 123 and described back surface 124 are between described sidewall and described guidance part 11.The puncturing lever of the present embodiment includes the first plectrum 13 and the second plectrum 14, and the first side wall 132 of described first plectrum 13 is obtuse angle with the angle of its front surface 133, and the first side wall 132 of described first plectrum 13 is acute angle with the angle of its back surface 134；The first side wall 142 of described second plectrum 14 is acute angle with the angle of its front surface 143, and the first side wall 142 of described second plectrum 14 is obtuse angle with the angle of its back surface 144.Other descriptions of the present embodiment refer to above-described embodiment, do not repeat them here.
As it is shown in fig. 7, be the structural representation of perforator 40 of the present invention.The perforator 40 of the present invention includes puncture casing 20, and puncturing lever 10 as above, and described puncturing lever 10 is arranged in described puncture casing 20 separatably, and described guidance part 11 stretches out described puncture casing 20.
The one end of puncture casing 20 is provided with sealing member 21, and perforator is the passage coupled in intracavity outside a chamber, and in the middle of operation process, the apparatus of various different bores is likely to turnover, for the pneumoperitoneum that holding is complete, valve multiple diameter the to be adapted to change of sealing member 5.It addition, the outer wall of puncture casing 20 is also provided with pawl 22, the friction between puncture casing 20 and tissue can be increased, it is to avoid in operation process, puncture casing 20 skids off.
Two centrosymmetric plectrums 12 it are provided with on the puncturing lever 10 of the present invention, and the sidewall design of plectrum 12 becomes to have the first side wall 122 and second sidewall 121 of angle, can ensure to puncture effect in the case of not damaging abdominal wall musculature, and it is preferable that abdominal wall musculature is strutted effect.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only includes an independent technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should be using description as an entirety, technical scheme in each embodiment can also form, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that.
The a series of detailed description of those listed above is only for illustrating of the feasibility embodiment of the present invention; they also are not used to limit the scope of the invention, within all equivalent implementations made without departing from skill of the present invention spirit or change all should be included in protection scope of the present invention.
Claims (9)
1. a puncturing lever, in perforator, it is characterised in that described puncturing lever includes:
Guidance part, described guidance part is positioned at the end of described puncturing lever；And
Plectrum, described plectrum radially convexedly stretching on described guidance part in described guidance part；
nullWherein，Described plectrum includes the first side wall and the second sidewall，It is formed with angle between described the first side wall and described second sidewall，Described the first side wall is the first interface with the junction of described second sidewall，Described the first side wall is the second interface with the junction of described guidance part，Described second sidewall is the 3rd interface with the junction of described guidance part，Described first interface is more than described second interface and the distance of described 3rd interface extremely described guidance part to the distance of described guidance part，Described plectrum also includes front surface and the back surface being oppositely arranged，Sidewall is located between described front surface and described back surface，Described front surface and described back surface are between described sidewall and described guidance part，Described puncturing lever includes the first plectrum and the second plectrum，Described first plectrum and described second plectrum are symmetrical along the axial centre of described guidance part，The first side wall of described first plectrum and the angle of its front surface are the first angle，The first side wall of described first plectrum and the angle of its back surface are the second angle，The first side wall of described second plectrum and the angle of its front surface are the 3rd angle，The first side wall of described second plectrum and the angle of its back surface are the 4th angle，Described first angle and described 4th angle be obtuse angle or acute angle one of them，Described second angle and described 3rd angle be obtuse angle or acute angle wherein another.
2. puncturing lever as claimed in claim 1, it is characterized in that, described the first side wall includes that the first planar portions and the first cambered surface portion, described first cambered surface portion are connected with described guidance part, described second sidewall includes that the second planar portions and the second cambered surface portion, described second cambered surface portion are connected with described guidance part.
3. puncturing lever as claimed in claim 1, it is characterised in that the first side wall of described first plectrum and the angle of its front surface are obtuse angle, and the first side wall of described first plectrum and the angle of its back surface are acute angle；The first side wall of described second plectrum and the angle of its front surface are acute angle, and the first side wall of described second plectrum and the angle of its back surface are obtuse angle.
Puncturing lever the most according to claim 1, it is characterised in that the first side wall of described first plectrum and the angle of its front surface are acute angle, the first side wall of described first plectrum and the angle of its back surface are obtuse angle；The first side wall of described second plectrum and the angle of its front surface are obtuse angle, and the first side wall of described second plectrum and the angle of its back surface are acute angle.
5. the puncturing lever as described in claim 3 or 4, it is characterised in that arc transition is passed through in the bending place of above-mentioned angle.
6. a puncturing lever, in perforator, it is characterised in that described puncturing lever includes:
Guidance part, described guidance part is positioned at the end of described puncturing lever；And
Plectrum, described plectrum radially convexedly stretching on described guidance part in described guidance part；
nullWherein，At least one tip it is formed with on described plectrum，Described plectrum also includes that combination forms the first side wall of described tip、Second sidewall、The front surface being oppositely arranged and back surface，Sidewall is located between described front surface and described back surface，Described front surface and described back surface are between described sidewall and described guidance part，Described puncturing lever includes the first plectrum and the second plectrum，Described first plectrum and described second plectrum are symmetrical along the axial centre of described guidance part，The first side wall of described first plectrum and the angle of its front surface are the first angle，The first side wall of described first plectrum and the angle of its back surface are the second angle，The first side wall of described second plectrum and the angle of its front surface are the 3rd angle，The first side wall of described second plectrum and the angle of its back surface are the 4th angle，Described first angle and described 4th angle be obtuse angle or acute angle one of them，Described second angle and described 3rd angle be obtuse angle or acute angle wherein another.
7. puncturing lever as claimed in claim 6, it is characterised in that described the first side wall and described second sidewall are formed with angle between connecting, and the outward flange of described angle is set to described tip；Described the first side wall includes that the first planar portions and the first cambered surface portion, described first cambered surface portion are connected with described guidance part, and described second sidewall includes that the second planar portions and the second cambered surface portion, described second cambered surface portion are connected with described guidance part.
8. puncturing lever as claimed in claim 6, it is characterised in that the first side wall of described first plectrum and the angle of its front surface are obtuse angle, and the first side wall of described first plectrum and the angle of its back surface are acute angle；The first side wall of described second plectrum and the angle of its front surface are acute angle, and the first side wall of described second plectrum and the angle of its back surface are obtuse angle.
9. a perforator, it is characterised in that described perforator includes,
Puncture casing；And
Puncturing lever as described in any one in claim 1-8, described puncturing lever is arranged in described puncture casing separatably, and described guidance part stretches out described puncture casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460165.7A CN104188713B (en) | 2014-09-11 | 2014-09-11 | Puncturing lever and there is the perforator of described puncturing lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460165.7A CN104188713B (en) | 2014-09-11 | 2014-09-11 | Puncturing lever and there is the perforator of described puncturing lever |
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| Publication Number | Publication Date |
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| CN104188713A CN104188713A (en) | 2014-12-10 |
| CN104188713B true CN104188713B (en) | 2016-12-07 |
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| CN201410460165.7A Active CN104188713B (en) | 2014-09-11 | 2014-09-11 | Puncturing lever and there is the perforator of described puncturing lever |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769301B (en) * | 2016-04-22 | 2019-06-18 | 江苏风和医疗器材股份有限公司 | A kind of puncture core assembly and the puncture outfit with it |
| CN105935309A (en) * | 2016-06-27 | 2016-09-14 | 江苏风和医疗器材有限公司 | Puncture core tip, puncture core with the same and puncture device |
| CN105935307B (en) * | 2016-06-27 | 2021-08-06 | 江苏风和医疗器材股份有限公司 | Puncture core tip and puncture core and puncture device with same |
| CN105935308B (en) * | 2016-06-27 | 2019-02-05 | 江苏风和医疗器材股份有限公司 | Puncture core tip and puncture core and puncture outfit with it |
| CN105919656A (en) * | 2016-06-27 | 2016-09-07 | 江苏风和医疗器材有限公司 | Puncture core sharp end, and puncture device and puncture core with puncture core sharp end |
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| CN104188713A (en) | 2014-12-10 |
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