CN207693650U - A kind of double barb paracentesis trocars of band for small pulmonary artery positioning - Google Patents
A kind of double barb paracentesis trocars of band for small pulmonary artery positioning Download PDFInfo
- Publication number
- CN207693650U CN207693650U CN201621423932.8U CN201621423932U CN207693650U CN 207693650 U CN207693650 U CN 207693650U CN 201621423932 U CN201621423932 U CN 201621423932U CN 207693650 U CN207693650 U CN 207693650U
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- needle
- draw point
- guiding
- band
- paracentesis
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Abstract
A kind of double barb paracentesis trocars of band for small pulmonary artery positioning, are related to the field of medical instrument, including guiding needle cannula and puncture needle；The guiding needle cannula includes needle tubing and needle stand, and one end of needle tubing is fixedly connected with needle stand, and the other end of needle tubing is syringe needle；The puncture needle setting is in guiding needle cannula, puncture needle includes the draw point made of stainless steel material and two anchoring hooks, two anchoring hooks are fixedly connected on one end of draw point, and the angle being anchored between hook and draw point is acute angle, and two anchoring hooks are arranged symmetrically in the both sides of draw point.The lancet design is double hook, and two-arm suitable length, the product structure is more rational, and performance is more excellent, and using more Portable safety, positioning is also more accurate and is not easy to shift.
Description
Technical field
The utility model is related to the field of medical instrument, the double hook anchor-shaped that can be used for solitary Lung lesser tubercle Needle localization is worn
Pierce the development of trocar.
Background technology
The problem of solitary pulmonary nodule (SPN) is starting Radiologic imaging of most early stages of lung cancer, clinical etiologic diagnosis is got over
More to protrude.If can develop a kind of not damaged positioning devices of novel SPN for Pulmonary Isolated Nodules it is preoperative precisely
Positioning can not only increase operation safety, improve Resection Rate, while also helping and further decreasing patient medical cost,
Facilitate clinical Transformation Application and promote, new technology, new results is farthest made to benefit vast SPN patient.
What is clinically used at present is mostly the precious refined Products of Meditech companies of the U.S. or Germany.But disadvantage exists
In：The product is originally intended to the positioning of mammary gland minimal neoplastic, position superficial, but when being positioned for thoracic cavity solitary pulmonary nodule, just
Depositing barb single when in use usually cannot fully discharge opening so that be easy displacement after CT guiding positioning and fall off, to lead
Cause positioning failure.
Invention content
The utility model develops a kind of double barb paracentesis trocars of the band for small pulmonary artery positioning, accurately fixed under CT guiding
Position, and energy secure anchorage tumor locus, implement precisely excision.
What the purpose of this utility model was realized in：A kind of double barb paracentesis trocars of band for small pulmonary artery positioning,
Including guiding needle cannula and puncture needle；The guiding needle cannula includes needle tubing and needle stand, and one end of needle tubing is fixedly connected with needle stand,
The other end of needle tubing is syringe needle；In guiding needle cannula, puncture needle includes made of stainless steel material for the puncture needle setting
Draw point and two anchoring hooks, two anchoring hooks are fixedly connected on one end of draw point, and the angle being anchored between hook and draw point is acute angle,
Two anchoring hooks are arranged symmetrically in the both sides of draw point.
When puncture, puncture needle is in guiding needle cannula.After skin routine disinfection, CT guiding under will guiding needle cannula together with
Puncture needle is pierced into small pulmonary artery position together, after release puncture needle implements positioning, escape leading needle cannula.Draw point and two anchors
Determine hook to combine to form " ↑ " font, be anchored hook 10-15mm, draw point length 15-20cm, mark scale shows penetration depth.
The utility model has the following advantages compared with prior art：The lancet design is double hook, and two-arm suitable length,
The product structure is more rational, and performance is more excellent, and using more Portable safety, positioning is also more accurate and is not easy to shift.
It is current in clinical small pulmonary artery positioning be buckle wire needle（hook wire）Single hook device, due to being originally use
In the breast tissue Needle localization of superficial, therefore, when it is used for thoracic cavity solitary Lung lesser tubercle positioning, there is single when use
A barb usually cannot fully discharge opening so that be easy displacement after CT guiding positioning and fall off, fail so as to cause positioning.And
The Novel puncture needle now designed is that band double hook draw point is in " ↑ " word anchor-shaped structure, can be accurately positioned under CT guiding, crosspointer is secured
It is anchored tumor locus, implements precisely excision.
In order to further increase accuracy, needle tubing scale is set on the needle tubing, draw point is set on the draw point and is carved
Degree.
The classification design, test method, inspection rule, mark and operation instructions of the utility model, packaging, transport and storage
It deposits.Clause in the following files becomes the clause of this standard by quotation of this standard.Every reference document with bearing date,
All later modification single (not including the content of corrigenda) or revised edition are not suitable for this standard, however, encouraging according to this
The each side that standard is reached an agreement examines whether that the latest edition of these files can be used.Every reference document without bearing date,
Latest edition is suitable for this standard.
GB/T 191-2008 packaging--pictorial marking for handling of goods
2828.1 sampling procedures for inspection by attributes part 1s of GB/T：By the lot-by-lot inspection of quality of reception limit (AQL) retrieval
Sampling plan
GB/T 9969-2008 general principles for preparation of instructions for use of industrial products
One butadiene of GB/T 12672-2009 acrylonitrile one styrene (ABS) resin
GB/T 14233.1-2008 medical infusions, blood transfusion, instrument used for injection method of inspection part 1:Chemical analysis method
GB/T 14233.2-2005 medical infusions, blood transfusion, instrument used for injection method of inspection part 2:BiologicalAssays Procedures
16886.1 BiologicalEvaluationofMedicalDevice part 1s of GB/T：Evaluation and experiment
GB 18457 manufactures medical instrument stainless steel needle tubing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram for guiding needle cannula.
Fig. 3 is the structural schematic diagram of puncture needle.
Fig. 4 is the portions A enlarged drawing in Fig. 2.
Fig. 5 is the portions B enlarged drawing in Fig. 3.
Specific implementation mode
As shown in Figs. 1-5, the double barb paracentesis trocars of band of small pulmonary artery positioning, including guiding needle cannula 1 and puncture are used for
Needle 2.
It includes needle tubing 1-2 and needle stand 1-3 to guide needle cannula 1, and one end of needle tubing 1-2 is fixedly connected with needle stand 1-3, needle tubing 1-
2 other end is syringe needle 1-1, and needle tubing scale 1-4 is arranged on needle tubing 1-2.
For the setting of puncture needle 2 in guiding needle cannula 1, puncture needle 2 includes draw point 2-1 and two anchorings hook 2-2, draw point 2-1
It is made of stainless steel material with two anchoring hook 2-2, two anchoring hook 2-2 are fixedly connected on one end of draw point 2-1, are anchored hook
Angle between 2-2 and draw point 2-1 is acute angle, and two anchoring hook 2-2 are arranged symmetrically in the both sides of draw point 2-1, on draw point 2-1
Draw point scale 2-3 is set.
The product is divided into 18G, 17G, 16G totally 3 kinds of specifications according to guiding gauge；Band double hook draw point is in " ↑ " font, draw point
Galianconism 10-15mm.Interior needle length 15-20cm, interior drypoint degree show penetration depth.
Guiding needle needle tubing, draw point silk, piercing needle are made of 0Cr18Ni9 stainless steel materials specified in GB 18457；
Guide the needle stand of needle using one butadiene of acrylonitrile, one styrene (ABS) resin or other macromolecules specified in GB/T 12672
Material is made.
With normal or observation of correcting defects of vision, guiding needle needle stand should be without injection defects such as apparent flash, creeping and bubbles.With putting
When big spectroscopy, guiding needle needle point should be without tack, burr and crotch.The specification and basic size for guiding needle meet national regulation.
The surface roughness of needle tubing is not more than Ra1.6um.The needle tubing stiffness of guiding needle, which meets in GB 18457, to be provided.Guiding
Needle needle tubing toughness, which meets in GB 18457, to be provided.The corrosion resistance of guiding needle needle tubing meets the regulation in GB 18457.Guiding
Needle needle tubing is connect with needle stand should be secured, makees drawing experiment under the pulling force of 40N, and the two does not detach.Guide the inner cavity of needle
Cleaning is answered, in 60mL eluents, the particle number more than 5 μm must not exceed 100/mL.Ethane via epoxyethane sterilizes, residual quantity
10 μ g/g, which should be not more than, keeps its sterile.Without pyrogen.Cytotoxicity should be not more than 1 grade.Without intradermal stimulate the reaction.Without sensitization of skin
Reaction.
The above-mentioned desirable embodiment according to the utility model is enlightenment, through the above description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely.This item is practical
Novel technical scope is not limited to the contents of the specification, it is necessary to determine that its is technical according to right
Range.
Claims (2)
1. a kind of double barb paracentesis trocars of band for small pulmonary artery positioning, it is characterised in that：Including guiding needle cannula and puncture
Needle；The guiding needle cannula includes needle tubing and needle stand, and one end of needle tubing is fixedly connected with needle stand, and the other end of needle tubing is syringe needle；
In guiding needle cannula, puncture needle includes the draw point made of stainless steel material and two anchoring hooks for puncture needle setting, and two
A anchoring hook is fixedly connected on one end of draw point, and the angle being anchored between hook and draw point is acute angle, and two anchoring hooks are arranged symmetrically
In the both sides of draw point.
2. the double barb paracentesis trocars of the band for being used for small pulmonary artery positioning according to claim 1, it is characterised in that：In the needle
Needle tubing scale is set on pipe, draw point scale is set on the draw point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423932.8U CN207693650U (en) | 2016-12-23 | 2016-12-23 | A kind of double barb paracentesis trocars of band for small pulmonary artery positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423932.8U CN207693650U (en) | 2016-12-23 | 2016-12-23 | A kind of double barb paracentesis trocars of band for small pulmonary artery positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207693650U true CN207693650U (en) | 2018-08-07 |
Family
ID=63019426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423932.8U Active CN207693650U (en) | 2016-12-23 | 2016-12-23 | A kind of double barb paracentesis trocars of band for small pulmonary artery positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207693650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618689A (en) * | 2016-12-23 | 2017-05-10 | 扬州大学 | Double-barb puncture trocar for pulmonary nodule localization |
-
2016
- 2016-12-23 CN CN201621423932.8U patent/CN207693650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618689A (en) * | 2016-12-23 | 2017-05-10 | 扬州大学 | Double-barb puncture trocar for pulmonary nodule localization |
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