[go: up one dir, main page]

CN105769301B - A kind of puncture core assembly and the puncture outfit with it - Google Patents

A kind of puncture core assembly and the puncture outfit with it Download PDF

Info

Publication number
CN105769301B
CN105769301B CN201610257975.1A CN201610257975A CN105769301B CN 105769301 B CN105769301 B CN 105769301B CN 201610257975 A CN201610257975 A CN 201610257975A CN 105769301 B CN105769301 B CN 105769301B
Authority
CN
China
Prior art keywords
puncture
cutting tip
separated structure
core assembly
puncture core
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.)
Active
Application number
CN201610257975.1A
Other languages
Chinese (zh)
Other versions
CN105769301A (en
Inventor
孙宝峰
马猛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Fengh Medical Equipment Co Ltd
Original Assignee
Jiangsu Fengh Medical Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Fengh Medical Equipment Co Ltd filed Critical Jiangsu Fengh Medical Equipment Co Ltd
Priority to CN201610257975.1A priority Critical patent/CN105769301B/en
Publication of CN105769301A publication Critical patent/CN105769301A/en
Application granted granted Critical
Publication of CN105769301B publication Critical patent/CN105769301B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/34Trocars; Puncturing needles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/00234Surgical instruments, devices or methods for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3494Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/00234Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00238Type of minimally invasive operation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/00234Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00292Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/0034Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a kind of puncture core assembly and with its puncture outfit, puncture core assembly of the invention, comprising: puncture core bar;Cutting tip, the rear end of the cutting tip are connected on the front end for puncturing core bar;At least one separated structure, the separated structure are located on the outer wall of the cutting tip;The separated structure includes at least one first surface and at least one second face, and the outer wall of the first surface and the cutting tip is smoothly connected, and forms cutting edge between the first surface and second face.A kind of puncture core assembly according to the present invention and the puncture outfit with it, on the one hand, the separated structure unidirectionally separates cutting edge injury caused by patient wound when can effectively reduce puncture, and easily operated, structure is reliable;On the other hand, enhancing punctures the intensity of cutting edge, punctures cutting edge and is not easy to deform, cutting edge is effectively prevent to be broken the unexpected injury caused by patient, can be shortened operating time, improves procedure efficiency.

Description

A kind of puncture core assembly and the puncture outfit with it
Technical field
The present invention relates to area of medical devices, in particular to a kind of puncture core assembly and with its puncture outfit.
Background technique
Check, in abdominal operation and other minimally invasive or surgical operations that puncture outfit is essential surgical instrument in abdominal cavity. Puncture outfit can be established in the stomach wall of human body enters channel, so that for laparoscope or other surgical instruments, (such as endoscope is cut Knife, stapler, seal wire, conduit, filter, bracket etc.) entrance is intraperitoneal, and provides the channel of gas disengaging, to control operation institute The pneumoperitoneum needed, to carry out inspection or surgical procedure.When minimally invasive laparoscopic medical performs the operation beginning, doctor is general first in patient's abdomen Portion scratches a small notch, then by small notch that the vertex alignment of cutting tip is scratched or so reciprocating rotation while moves down, Puncture outfit makes puncture cannula pass through patient abdomen cortex.
The puncture core assembly of the prior art, the separated structure of cutting tip are generally sheet-like structure, and two sides are sharp shape State, on the one hand, reciprocating rotation puncture outfit when puncture, left and right reciprocating rotation while move down, and cutting edge is equal in reciprocating direction The wound of meeting injured patient;On the other hand, the sheet-like structure of separated structure, intensity is low, and easily-deformable, fracture causes patient Unexpected injury influences being normally carried out for operation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of reasonable in design, structure reliably, to patient is damaged Small puncture core assembly and the puncture outfit with it, the present invention is achieved by the following technical solutions:
A kind of puncture core assembly, comprising: puncture core bar;Cutting tip, the rear end of the cutting tip are connected on the puncture core The front end of bar;At least one separated structure, the separated structure are located on the outer wall of the cutting tip;The separated structure includes At least one first surface and at least one second face, the outer wall of the first surface and the cutting tip is smoothly connected, described Cutting edge is formed between first surface and second face.
The cutting tip is integrally formed or is fixedly connected with the puncture core bar.
The separated structure is integrally formed or is fixedly connected with the cutting tip.
The first surface is arc, i.e. the outer wall of the first arcwall face, first arcwall face and the cutting tip is smooth Connection.
Second face is plane.
Second face is curved surface.
The puncture core assembly includes at least one described separated structure.
The whole maximum width of the cutting tip and the separated structure is less than or equal to the diameter for puncturing core bar.
The length of the separated structure is less than or equal to the length of the cutting tip.
The vertex of the cutting tip is curved surface.
Further, the vertex of the cutting tip is spherical surface.
The edge line general parallel orientation of the connecting line and the separated structure of the separated structure and the cutting tip.
The present invention also provides a kind of puncture outfits, including puncture core assembly above-mentioned.
A kind of puncture core assembly of the invention and the puncture outfit with it, easily operated, structure is reliable, on the one hand, separation Structure one-way chorista, when can effectively reduce puncture, cutting edge is injured caused by patient wound;On the other hand, enhancing is worn The intensity of cutting edge is pierced, cutting edge is punctured and is not easy to deform, cutting edge is effectively prevent to be broken the unexpected injury caused by patient.Shorten operation Time improves procedure efficiency.
Detailed description of the invention
Fig. 1 is the puncture core assembly schematic diagram of the prior art;
Fig. 2 is in Fig. 1 along A-A sectional view;
Fig. 3 is puncture core assembly schematic diagram according to an embodiment of the present invention;
Fig. 4 is in Fig. 3 along the cross-sectional view in the direction B-B;
Fig. 5 is in Fig. 3 along the cross-sectional view of another embodiment in the direction B-B;
Fig. 6 is in Fig. 3 along the cross-sectional view of another embodiment in the direction B-B;
Fig. 7 is in Fig. 3 along the cross-sectional view of another embodiment in the direction B-B.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " item ", "bottom", "inner", "outside", " axis To ", " radial direction ", " circumferential direction ", the orientation or positional relationship of the instructions such as " reciprocal " be to be based on the orientation or positional relationship shown in the drawings, Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand For limitation of the present invention.
As shown in Figure 1 to Figure 2, in the prior art, the separated structure 30 of cutting tip 20 is generally sheet-like structure, separation knot Two faces 310,320 of structure 30 are plane, and two planes are parallel to each other, and the distance of two interplanars, which is less than, punctures core bar Wall thickness, the edge of separated structure 30 are in sharp cutting edge 330;On the one hand, reciprocating rotation puncture outfit when puncture, sharp cutting edge 330 reciprocating direction Shi Junhui injured patient wound;On the other hand, the sheet-like structure of separated structure 30, intensity is low, variable Shape, easy fracture cause unexpected injury to patient, influence being normally carried out for operation.As shown in Figure 1, cutting tip 20 and puncture core bar 10 are fixedly connected for two components, and the diameter of cutting tip 20 is greater than the diameter for puncturing core bar 10.
As shown in Figures 3 to 5, the puncture core assembly 100 of the embodiment of the present invention, comprising: puncture core bar 1, cutting tip 2 divides From structure 3.Puncture core bar 1 is hollow circular-tube;Cutting tip 2 substantially refers to cutting tip 2 in circular cone substantially in cone in cone Shape or similar cone, i.e., the bus of cutting tip 2 can be linear, can also be in convex outer curve or the curve in indent.It wears The rear end of barbed end 2 be connected on puncture core bar 1 front end, cutting tip 2 and puncture core bar 1 be integrally formed, alternatively, cutting tip 2 with wear Thorn core bar 1 is two independent components, and the rear end of cutting tip 2 is fixed together with the front end for puncturing core bar 1.Cutting tip 2 Maximum gauge be equal to the diameter for puncturing core bar 1, the integrated molding of separated structure 3 and cutting tip 2 or be fixedly connected, such puncture 100 structure of core assembly is reliable, conducive to puncturing and can guarantee good leakproofness.Separated structure 3 is located on the outer wall of cutting tip 2, Including following scenario described: separated structure 3 and cutting tip 2 are integrally formed, alternatively, separated structure 3 as an independent component with wear Barbed end 2 is fixedly connected.At least one side of separated structure 3 is first surface 31, and first surface 31 and the outer wall of cutting tip 2 smoothly connect It connects.Further, at least one side of separated structure 3 is the first arcwall face 31, and the outer wall of the first arcwall face 31 and cutting tip 2 is smooth Connection.As shown in Figures 4 to 7, in cross-sectional view, separated structure 3 include the first lines 33 (i.e. cutting edge 33) and the second lines 34, Second lines 34 of separated structure 3 can be located at any position on 2 outer wall of cutting tip, the first lines 33 of separated structure 3 with It is the first arcwall face 31 of nature transition between second lines 34, surface is smooth;In this way when puncturing, doctor's reciprocating rotary is punctured When device, when rotating to Fig. 4 or left-hand shown in fig. 5, the first arcwall face 31 will not injured patient's wound when contacting with wound.The Cutting edge, including following scenario described are formed between one curved surface 31 and the second face 32: first surface 31 is directly intersected with face 32, forms sword Mouthful;Between the two by least one other face formed cutting edge, that is, first surface 31 intersects with other faces, face 32 with it is same or Another other face intersections, other faces and first surface 31 or the second face 32 are crossed to form cutting edge, and cutting edge may also be formed in two Between other faces.
As shown in Figures 4 to 7, the another side 32 of separated structure 3 is plane, and plane 32 is formed with 31 intersection of first surface Cutting edge 33, cutting edge 33 can be with cutting edge at an acute angle (as shown in Fig. 4 or Fig. 5) or right angle cutting edges (as shown in Figure 6) or obtuse angle sword Mouth (as shown in Figure 7).The central axis for puncturing core assembly 100 is located in the plane at 32 place of plane, or punctures core assembly 100 Central axis is parallel with the plane where plane 32.First arcwall face 31 be nature transition cambered surface, can tissue separation after with Wound is in close contact, the leakproofness remained intact.When turning left as shown in Fig. 4 or Fig. 5, it will not be damaged in rotary course Patient tissue;It, can be during rotation for the plane 32 on vertex with cutting edge 33 when being rotated to right shown in Fig. 4 or Fig. 5 Unidirectional chorista, to guarantee that puncture outfit can smoothly enter into patient's body.
As shown in figure 5, the another side of separated structure 3 may be the second curved surface 32, the second curved surface 32 and first surface 31 Intersection forms cutting edge 33.Second curved surface 32 can be the curved surface of indent, or the curved surface of evagination.Cutting edge 33 can be in sharp Angle cutting edge (as shown in Fig. 4 or Fig. 5) or right angle cutting edge (as shown in Figure 6) or obtuse angle cutting edge (as shown in Figure 7).Separated structure There is the first arcwall face 31 between 3 the first lines 33 (i.e. cutting edge 33) and the second lines 34, the first arcwall face 31 is nature transition Cambered surface, can be in close contact after tissue separation with wound, the leakproofness remained intact, and will not being damaged in rotary course Patient tissue can be in the mistake of rotation for second curved surface 32 on vertex with cutting edge 33 when rotating to right shown in Fig. 4 or Fig. 5 Unidirectional chorista in journey, to guarantee that puncture outfit can smoothly enter into patient's body;Also, after the second curved surface 32 can reduce separation The resistance contacted is organized, chorista is conducive to.
Doctor holds the rear end for puncturing core assembly 100, and when puncture, reciprocating rotation puncture outfit and punctures core at the palm of doctor Component 100 is opposing stationary, and the angle of puncture outfit rotation is 0 °~180 °, to reach optimal separation effect, on the outer wall of cutting tip 2 The cutting tip of puncture outfit is penetrated into patient's body to guarantee to efficiently separate tissue at least one separated structure 3.As excellent Choosing, there are two separated structure 3 on the outer wall of cutting tip 2, according to the size of cutting edge and the taper situation of cutting tip, cutting tip 2 It can be there are two the above separated structure 3, to meet chorista effect on outer wall.
The whole maximum width of cutting tip 2 and separated structure 3 is less than or equal to the diameter for puncturing core bar 1, herein width side To the diametrical direction referred to along puncture core bar 3.Separated structure 3 is integrally formed or is fixedly connected with the outer wall of cutting tip 2, that is, It says, the sum of cone diameter and the width of separated structure 3 of cutting tip 2 are less than or equal to the diameter for puncturing core bar 1, the set of puncture outfit The diameter of pipe is slightly larger than the diameter for puncturing core bar 1;The casing of puncture outfit is able to satisfy puncture as long as it can accommodate puncture core bar 1 in this way End 2 passes through the casing of puncture outfit.Separated structure 3 is integrally formed or is fixedly connected with the outer wall of cutting tip 2, and cutting tip 2 is Substantially open circles taper, the maximum gauge of conical bottom are equal to the diameter for puncturing core bar 1, and the maximum in order to guarantee cutting tip 2 is wide Degree is less than or equal to the diameter for puncturing core bar 1, and the length of separated structure 3 is less than the length of cutting tip 2, and length direction refers to edge herein Puncture the axial direction of core bar 3.Specifically, on outer wall at the conical bottom maximum gauge of cutting tip 2 separated structure 3 width Degree is 0, both ensure that puncturing core bar 1 and cutting tip 2 passes through puncture outfit casing tube in this way, in turn ensures and puncture core bar 1 and wear Pierce good leakproofness between the casing of device.
If the endpoint of cutting tip 2 is tip, when cutting tip 2 penetrates patient skin, if continuing to puncture, tip is easily stabbed Patient organ brings unexpected pain to patient, increases operating difficulty and safety, and the endpoint of cutting tip 2 of the invention is song Face shape is not only able to satisfy puncture and requires, but also can effectively prevent endpoint and easily stab patient organ.Further, the endpoint of cutting tip 2 is Spheric.
Separated structure 3 and the connecting line of cutting tip 2 and the edge line general parallel orientation of separated structure, general parallel orientation separate knot The width of structure 3 is essentially equal always or roughly equal.When puncture, doctor is general first to scratch a small notch in patient abdomen, then The vertex 21 of cutting tip 2 is directed to the downward reciprocating rotation puncture outfit of small notch scratched, the width of separated structure 3 complete phase always Deng or it is roughly equal, can make in entire puncture process, organize the effect that unidirectionally separates identical.
The present invention also provides a kind of puncture outfit, any puncture core assembly 100 including above-described embodiment description.
In conclusion a kind of puncture core assembly 100 according to an embodiment of the present invention and the puncture outfit with it, comprising: wear Pierce core bar 1, cutting tip 2, separated structure 3.Puncture core bar 1 is hollow circular-tube;Cutting tip 2 is substantially in open circles taper, cutting tip 2 Rear end be connected on puncture core bar 1 front end;Separated structure 3 is located on the outer wall of cutting tip 2;At least one side of separated structure 3 For first surface 31, first surface 31 and the outer wall of cutting tip 2 are smoothly connected.Puncture core assembly according to an embodiment of the present invention 100 and with its puncture outfit, on the one hand, cutting edge hurts patient when the unidirectional chorista of separated structure 3 can effectively reduce puncture It is injured caused by mouthful, easily operated, structure is reliable;On the other hand, enhancing punctures the intensity of cutting edge, punctures cutting edge and does not allow mutability Shape effectively prevent cutting edge to be broken the unexpected injury caused by patient, can be shortened operating time, improves procedure efficiency.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
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 included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (12)

1. a kind of puncture core assembly, comprising:
Puncture core bar;
Cutting tip, the rear end of the cutting tip are connected on the front end for puncturing core bar;
At least one separated structure, the separated structure are located on the outer wall of the cutting tip;
It is characterized in that, the separated structure includes at least one first surface and at least one second face, the first surface It is smoothly connected with the outer wall of the cutting tip, forms cutting edge between the first surface and second face.
2. puncture core assembly according to claim 1, which is characterized in that the cutting tip and the punctures core bar it is integrated at Type is fixedly connected.
3. puncture core assembly according to claim 1, which is characterized in that the separated structure and cutting tip one at Type is fixedly connected.
4. puncture core assembly according to claim 1, which is characterized in that the first surface is arc, i.e. the first arc The outer wall in face, first arcwall face and the cutting tip is smoothly connected.
5. puncture core assembly according to any one of claims 1 to 4, which is characterized in that second face is plane.
6. puncture core assembly according to any one of claims 1 to 4, which is characterized in that second face is curved surface.
7. puncture core assembly according to claim 1, which is characterized in that the entirety of the cutting tip and the separated structure Maximum width is less than or equal to the diameter for puncturing core bar.
8. puncture core assembly according to claim 1, which is characterized in that the length of the separated structure is less than or equal to The length of the cutting tip.
9. puncture core assembly according to claim 1, which is characterized in that the vertex of the cutting tip is curved surface.
10. puncture core assembly according to claim 9, which is characterized in that the vertex of the cutting tip is spherical surface.
11. puncture core assembly according to claim 1, which is characterized in that the company of the separated structure and the cutting tip The edge line general parallel orientation of wiring and the separated structure.
12. a kind of puncture outfit, which is characterized in that including the described in any item puncture core assemblies of such as claim 1-11.
CN201610257975.1A 2016-04-22 2016-04-22 A kind of puncture core assembly and the puncture outfit with it Active CN105769301B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610257975.1A CN105769301B (en) 2016-04-22 2016-04-22 A kind of puncture core assembly and the puncture outfit with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610257975.1A CN105769301B (en) 2016-04-22 2016-04-22 A kind of puncture core assembly and the puncture outfit with it

Publications (2)

Publication Number Publication Date
CN105769301A CN105769301A (en) 2016-07-20
CN105769301B true CN105769301B (en) 2019-06-18

Family

ID=56399188

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610257975.1A Active CN105769301B (en) 2016-04-22 2016-04-22 A kind of puncture core assembly and the puncture outfit with it

Country Status (1)

Country Link
CN (1) CN105769301B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106137333A (en) * 2016-06-27 2016-11-23 江苏风和医疗器材有限公司 Puncture core tip and there is its puncture core and perforator
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
CN106510809B (en) 2016-12-09 2023-05-26 成都五义医疗科技有限公司 Improved knife-free visual puncture needle
CN109009347B (en) * 2018-07-31 2024-04-05 德清朗特医疗科技有限公司 Puncture needle and puncture device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101940491A (en) * 2010-09-30 2011-01-12 苏州天臣国际医疗科技有限公司 Puncturing rod
CN202173448U (en) * 2011-07-27 2012-03-28 苏州法兰克曼医疗器械有限公司 Puncture device for laparoscopic surgery
CN203710095U (en) * 2013-12-31 2014-07-16 杭州康基医疗器械有限公司 Puncture device cannula and puncture rod end matching structure
CN104188713A (en) * 2014-09-11 2014-12-10 常州健瑞宝医疗器械有限公司 Puncture bar and puncture outfit with puncture bar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101940491A (en) * 2010-09-30 2011-01-12 苏州天臣国际医疗科技有限公司 Puncturing rod
CN202173448U (en) * 2011-07-27 2012-03-28 苏州法兰克曼医疗器械有限公司 Puncture device for laparoscopic surgery
CN203710095U (en) * 2013-12-31 2014-07-16 杭州康基医疗器械有限公司 Puncture device cannula and puncture rod end matching structure
CN104188713A (en) * 2014-09-11 2014-12-10 常州健瑞宝医疗器械有限公司 Puncture bar and puncture outfit with puncture bar

Also Published As

Publication number Publication date
CN105769301A (en) 2016-07-20

Similar Documents

Publication Publication Date Title
CN105769301B (en) A kind of puncture core assembly and the puncture outfit with it
US6478806B2 (en) Penetrating tip for trocar assembly
US9326761B2 (en) Multi-lumen access port
CN106344126B (en) Centreless puncture outfit
US8348968B2 (en) Obturator tips
CN106388912B (en) Centreless puncture outfit
KR20160147910A (en) Systems and methods for tissue removal
US5843039A (en) Surgical treatment
KR20170087906A (en) Systems and methods for tissue removal
US20040230217A1 (en) Offset trocar piercing tip
US9301778B2 (en) Obturator tip
US8821526B2 (en) Trocar
CN206303956U (en) Intracranial lesion puncture positioning device based on brain stereotactic system
CN208865012U (en) a drainage device
CN106333735B (en) Centreless puncture outfit
CN103654886A (en) Device for taking out diseased tissue excised in minimally invasive surgery
CN204671203U (en) Telescopic fit-type drag hook in a kind of lacunula endoscopic surgery
CN206463016U (en) Positioning of oval hole and guide wire conveying of hard bougie
CN208525073U (en) A kind of medical laparoscope bile duct puncture pull needle
CN105935308B (en) Puncture core tip and puncture core and puncture outfit with it
CN105935307B (en) Puncture core tip and puncture core and puncture device with same
CN209864259U (en) Multi-angle cornea incision knife
CN210844267U (en) Threading device for thread burial needle
CN207136893U (en) disposable flexible sleeve puncture outfit
CN109363740A (en) A kind of meniscus suture thread device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: Dongsheng Road, Jiangyin city 214437 Jiangsu city of Wuxi province No. 6 D3

Applicant after: Jiangsu wind and medical equipment Limited by Share Ltd

Address before: Dongsheng Road, Jiangyin city 214437 Jiangsu city of Wuxi province No. 6 D3

Applicant before: Jiangsu wind and medical equipment Co., Ltd

CB02 Change of applicant information
CB03 Change of inventor or designer information

Inventor after: Sun Baofeng

Inventor after: Ma Meng

Inventor before: Sun Baofeng

Inventor before: Huang Chen

Inventor before: Ma Meng

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant