CN101485588B - Puncture needle for minimally invasive treatment - Google Patents
Puncture needle for minimally invasive treatment Download PDFInfo
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- CN101485588B CN101485588B CN2009100783212A CN200910078321A CN101485588B CN 101485588 B CN101485588 B CN 101485588B CN 2009100783212 A CN2009100783212 A CN 2009100783212A CN 200910078321 A CN200910078321 A CN 200910078321A CN 101485588 B CN101485588 B CN 101485588B
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- puncture needle
- minimally invasive
- conduit
- sleeve pipe
- invasive treatment
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Abstract
The invention relates to a puncture needle for minimally invasive treatment, which comprises a metal needle core and a soft casing, wherein the metal needle core is inserted in the soft casing; the tail part of the soft casing is a syringe connecting part; and the front part of the soft casing is provided with a plurality of side through holes. The puncture needle for minimally invasive treatment has the advantages that the puncture needle is convenient to indwell, uniform in drug administration, simple to operate and beneficial to monitoring.
Description
Technical field
The present invention relates to a kind of puncture needle, particularly relate to a kind of can one-time puncture, repeatedly, the even puncture needle for minimally invasive treatment of administration.
Background technology
Interventional medicine is as a new branch of science, utilize accurate apparatuses such as puncture needle, conduit, seal wire that various focuses are carried out tissue sampling, diagnosis and topical therapeutic, it has become the third-largest treatment subject equally celebrated for their achievements with inside and outside section with characteristics such as directly perceived, efficient, accurate, easy, Wicresoft, safety, complication are few.Ultrasonic guidance injection for curing abdominal part substantial viscera wound is a kind of new minimally-invasive treatment theory, utilize the ultrasonic contrast guiding that hemorrhage is expelled to wound kitchen range treatment active hemorrhage, this method has all obtained definite curative effect in the zoopery of liver, each rank wound of spleen, clinical research, its hemostasis, wound closure effect rapidly, reliable, equipment requirements is simple, wound is little, easy to implement the method, the patient suffering is little, and the course of disease is short, complication is few, repeatedly duplicate injection treatment.
Existing therapeutic medical puncture needle comprises common puncture needle (being the PTC pin) and catheter needle, and the PTC pin has plagiohedral and flat-head type needle point, and catheter needle is that plastics (polyethylene) conduit forms on puncture needle tubing overcoat.Existing puncture needle has different size according to purposes, can be used for cytology's biopsy, to cyst, abscess, hematoma and serous cavity liquid aspiration drainage, lavation, injectable drug treatment, and is used for bile duct or pelvis puncturing drain, X line radiography etc.
Though existing lancet design kind is various, still useless in the proprietary needle set of treatment injection, and, then have following defective if will have needle set now is used for the treatment of injection:
1, existing puncture needle mostly is metal material and makes, and can not realize intracorporeal indwelling, and multiple dosing then needs repeated puncture, has also increased the difficulty of treatment in the time of the patient suffering.
2, existing soft sleeve pipe is difficult to utilize iconography to monitor its position in vivo, and keeps somewhere flexible pipe and need built-in seal wire more and use in conjunction with skin-dilating needle, and operating process complexity, time-consuming is used when being unfavorable for on-the-spot rapid emergency treatment.
3, existing puncture needle can not be finished the one-time treatment than the extensive wound kitchen range, often needs multiple spot, repeatedly puncture.
4, existing puncture needle can be divided into single needle hole and three vent needles, pinhole diameter and distribution are not all carried out clinical research according to institute's injectable drug character and concentration, and now be used for clinical injection haemostatic medicament and have quick-hardening characteristics, cause easily during with above-mentioned needle set injectable drug that medicine is locally assembled, disperse is poor, thereby affect the treatment, be unfavorable for the degraded and the absorption of medicine simultaneously.
This shows that above-mentioned existing puncture needle obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.How to found and a kind ofly be beneficial to puncture, effectively injection, conveniently put the new puncture needle for minimally invasive treatment that stays, one of real important subject that belongs to current this area.
Summary of the invention
The objective of the invention is to, overcome the defective that existing puncture needle exists, and provide a kind of puncture needle for minimally invasive treatment of new structure, technical problem to be solved be make it easy to keep somewhere, administration is even, easy and simple to handle and be beneficial to monitoring, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of puncture needle for minimally invasive treatment according to the present invention proposes comprises metal nook closing member and soft sleeve pipe, and wherein: the metal nook closing member inserts in the soft sleeve pipe; Soft sleeve pipe afterbody is the syringe connecting portion, and the front portion is provided with a plurality of side perforations.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid puncture needle for minimally invasive treatment, the tip portion of described metal nook closing member leans out soft sleeve pipe, the slightly thin also part syringe needle of coated metal nook closing member of the little receipts of soft sleeve pipe front end bore, thickness.
Aforesaid puncture needle for minimally invasive treatment, described soft sleeve pipe front end is fixedly connected with the metal needle point.
Aforesaid puncture needle for minimally invasive treatment, the connection end of described metal needle point is double-decker, and is provided with projection between double-decker, and soft telescopic front end is held in the double-decker, and aforementioned projection embeds soft sleeve pipe.
The mode that recessed convex, inclined-plane interlock or plane join beyond the aforesaid puncture needle for minimally invasive treatment, described metal nook closing member and soft telescopic metal needle point is closely carved and is closed.
Aforesaid puncture needle for minimally invasive treatment, described soft bushing outer surface is provided with coating and indicates scale, and afterbody is provided with folder and closes device and shutoff medicated cap; The surface of metal nook closing member indicates scale, and screw thread is carved with at nearly needle point place.
Aforesaid puncture needle for minimally invasive treatment, the long 150cm-200cm of described metal nook closing member, soft telescopic side perforation distribute spacing is 8cm, 6cm, 4cm or 2cm, the external diameter of needle tubing is 20G-16G.
Aforesaid puncture needle for minimally invasive treatment, described soft sleeve pipe are the major and minor tubular construction of Y font.
Aforesaid puncture needle for minimally invasive treatment, described soft sleeve pipe is the double channel catheter structure, and conduit one, conduit two connect with the mouth of pipe of the person in charge, looped pipeline respectively, the open sidewall sealing of conduit one front end, conduit two anterior outer walls a plurality of side perforations that distribute, the sealing of the nearly conduit of front end one end place.
Aforesaid puncture needle for minimally invasive treatment, described conduit one is around distributing or half bag distribution with conduit two, the long 150cm-200cm of metal nook closing member, soft telescopic side perforation distribute spacing is 8cm, 6cm, 4cm or 2cm, the external diameter of needle tubing is 20G-16G, the looped pipeline bifurcation is apart from being responsible for tail end 3cm, and conduit two seals in distance conduit one most advanced and sophisticated 0.5-1.0cm place.
The present invention compared with prior art has following tangible advantage and beneficial effect at least:
1, the soft sleeve pipe of puncture needle for minimally invasive treatment of the present invention can be kept somewhere in patient's body, be convenient to pathological changes, wound kitchen range are carried out the multiple injection Drug therapy, both reduced the danger of treatment, also alleviated the misery that patient stands repeatedly to puncture, be doctor's the diagnosis and treatment saves valuable time, also can play the effect of drain hydrops or hematocele simultaneously.
2, many side perforation designs of puncture needle for minimally invasive treatment of the present invention, can reach the effect of " shot, multiple spot administration ", make that medicine is evenly distributed, disperse is good, be convenient to rapid, effectively hemostasis, be beneficial to the degraded and the absorption of medicine, in addition, the side perforation that also can design different size distributes, carry out personalization at the focus of different parts, scope and feature and select, make therapeutic process individuation more.
3, puncture needle for minimally invasive treatment of the present invention, the flexible catheter that has a metal needle point need not with apparatuses such as seal wire and reamers when puncturing into skin, and be easy and simple to handle, is beneficial to iconography monitoring position in vivo, flexible pipe tip simultaneously.
4, puncture needle for minimally invasive treatment of the present invention can utilize double channel catheter to make the separately injection of water solublity hemorrhage and colloid styptic, obviously reduces the risk of entry needle hole plug; Also can add coating, alleviate adhesion tissue on the needle body surface; Can be at the nearly needle point of needle body place threading, to strengthen ultrasonic reflection intensity; Also can connect tee T at single chamber sleeve pipe dispensing end, form double injection hole puncture needle, be injectable drug under the situation that nook closing member is not extracted fully.
5, puncture needle for minimally invasive treatment of the present invention is relatively simple for structure, and manufacturing cost is not high, and the effect that can reach with product and to use practicality to compare value-for-money especially, has suitable technological progress and medical practical value.
In sum, puncture needle for minimally invasive treatment of the present invention is convenient to keep somewhere, administration is even, easy and simple to handle and be beneficial to monitoring.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement in product structure and use, obvious improvement is arranged technically, and produced handy and practical effect, and more existing puncture needle has outstanding effect, thereby is suitable for practicality more.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of description, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation of puncture needle for minimally invasive treatment of the present invention.
Fig. 2 is the soft sleeve structure sketch map of puncture needle for minimally invasive treatment embodiment two of the present invention.
Fig. 3 a-Fig. 3 c is the metal needle syndeton sketch map of Fig. 2.
Fig. 4 is the structural representation of puncture needle for minimally invasive treatment embodiment three of the present invention.
Fig. 5 a, Fig. 5 b are the double channel catheter schematic cross-sections of puncture needle for minimally invasive treatment of the present invention.
Fig. 6 a, Fig. 6 b are the double channel catheter drug delivery path sketch maps of puncture needle for minimally invasive treatment of the present invention.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of puncture needle for minimally invasive treatment, structure, using method, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Embodiment one
See also shown in Figure 1ly, puncture needle for minimally invasive treatment of the present invention mainly is made up of metal nook closing member 1 and soft sleeve pipe 2.
Wherein, soft sleeve pipe 2 adopts the material medical, hypo-allergenic, that soft durometer is moderate, make as special molecular structure plastics (polyethylene), thermoplastic poly chloro-ethyl formate (TPU) etc., to lower damage to tissue, strengthen its safety, indwelling property, also can add coating, to alleviate adhesion to tissue at soft sleeve pipe 2 outer surfaces.
The a plurality of side perforations 21 of soft sleeve pipe 2 anterior cross-distribution, side perforation 21 can be designed to varying number, distribution and aperture specification according to telescopic internal diameter and length, carry out personalization at position, scope and the feature of focus and select, make therapeutic process individuation more.For example: metal nook closing member 1 long 150cm-200cm, side perforation 21 distribute spacings of soft sleeve pipe 2 are 8cm, 6cm, 4cm or 2cm, the external diameter of needle tubing is designated as 20G-16G according to general international standard Gauge (G).
The afterbody of soft sleeve pipe 2 is the syringe connecting portion, can be provided with folder and close device and shutoff medicated cap.The soft sleeve pipe 2 tube walls outside also can indicate scale, so that observe, control the injection dose.
The external diameter of metal nook closing member 1 is slightly less than the internal diameter of soft sleeve pipe 2, and it can be inserted in the soft sleeve pipe 2 just; But needle body surface indexing send the pin degree of depth so that observe; Screw thread also can be carved with in nearly needle point place, to strengthen ultrasonic reflection intensity.
Preferable, the tip portion of metal nook closing member 1 leans out soft sleeve pipe 2, the slightly thin also part syringe needle of coated metal nook closing member 1 of the little receipts of soft sleeve pipe 2 front end bores, thickness, thus puncture smoothly guaranteed, and soft sleeve pipe 2 can not be subjected to displacement with metal nook closing member 1 in sending the pin process.
During use, metal nook closing member 1 is inserted in the soft sleeve pipe 2, both be convenient to puncture needle for minimally invasive treatment of the present invention is sent in patient's body, also be beneficial to sending the pin process to observe, monitor.After sending the pin end of operation, metal nook closing member 1 is extracted out, soft sleeve pipe 2 is kept somewhere in patient's body, can realize one-time puncture, repeat administration.
Embodiment two
See also shown in Figure 2ly, on the basis of embodiment one structure, also can be beneficial to the indwelling position of the soft sleeve pipe 2 of iconography monitoring observation at the fixedly connected metal needle point 22 of the front end of soft sleeve pipe 2.Metal needle point 22 can be selected the not metal material of frangibility of high resilience for use, casts the shape that rhombus, domatic, vertebral body shape etc. are sharp, penetration power is strong, and in the ultrasonic effect that has multiple radiation down, it is more clear that needle point is developed.Recessed convex, inclined-plane interlock or plane mode such as join is closely carved and is closed beyond the metal needle point 22 of metal nook closing member 1 and soft sleeve pipe 2, thereby is beneficial to the puncture inserting needle.
Preferable, the connected mode of metal needle point 22 and soft sleeve pipe 2 can be shown in Fig. 3 a, 3b, 3c, the connection end of metal needle point 22 is designed to double-decker, and is provided with projection between double-decker.During connection, the front end of the soft sleeve pipe 2 of double-decker clamping of metal needle point 22, projection embeds soft sleeve pipe 2 simultaneously, can guarantee that thus metal needle point 22 is connected firmly with soft sleeve pipe 2, transition is smooth.
Embodiment three
See also shown in Figure 4ly, soft sleeve pipe 2 of the present invention also can be the major and minor tubular construction of Y font, and the looped pipeline bifurcation is apart from being responsible for the about 3cm of tail end, and the tail end design of looped pipeline is with being responsible for, and communicates with person in charge's inner chamber.This structure puncture needle for minimally invasive treatment send the pin mode identical with embodiment one, be about to the person in charge that metal nook closing member 1 inserts soft sleeve pipe 2, can realize sending pin to observe simultaneously and monitor easily, and be injectable drug and time treatment under the situation that metal nook closing member 1 is not extracted as yet fully.
Embodiment four
On the basis of embodiment three, soft sleeve pipe 2 of the present invention also can be designed to the double channel catheter structure, conduit 1 and conduit 2 24 connect with the mouth of pipe of the person in charge, looped pipeline respectively, and its distribution can be shown in schematic cross-section Fig. 5 a around distribution, adopt that also half bag shown in Fig. 5 b distributes etc.Conduit one 23 front ends are open, the sidewall sealing, and metal nook closing member 1 can be finished puncture by this tube chamber, and colloid styptic is through this tube injection, and delivery routes is shown in Fig. 6 a.The even cross-distribution of conduit 2 24 anterior outer walls many places side perforation, front end is convenient to injection water dissolubility hemorrhage apart from the sealing of conduit one 23 most advanced and sophisticated 0.5-1.0cm places, and the drug delivery path is shown in Fig. 6 b.
Puncture needle for minimally invasive treatment of the present invention can be realized one-time puncture, multiple dosing, and is easy to monitoring and send the pin process, obviously alleviates the patient suffering and reduces the treatment difficulty, and many side perforations designs make medicine even action, efficient.Be applied to both can reach thorough hemostatic purpose in the on-the-spot treatment fast of abdominal part substantial viscera damage, also can be used as and send process to win the quality time after temporary transient hemostatic treatment is.In addition, range of application of the present invention is not limited to abdominal part substantial viscera damage treatment, also can be applicable in the various wounds that are suitable for puncturing, the lesions treatment, solve prior art injection impact point and contained incomplete, the unbalanced problem of dosage control, reach and be beneficial to puncture, effectively injection, conveniently put the purpose of staying, overcome the defective of existing medical apparatus and instruments, fully met clinical needs.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, any those skilled in the art, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents that can utilize above-mentioned announcement, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a puncture needle for minimally invasive treatment comprises metal nook closing member and soft sleeve pipe, and wherein: the metal nook closing member inserts in the soft sleeve pipe; Soft sleeve pipe afterbody is the syringe connecting portion, the front portion is provided with a plurality of side perforations, it is characterized in that: described soft sleeve pipe front end is fixedly connected with the metal needle point, the connection end of metal needle point is double-decker, and between double-decker, be provided with projection, soft telescopic front end is held in the double-decker, and aforementioned projection embeds soft sleeve pipe.
2. puncture needle for minimally invasive treatment according to claim 1 is characterized in that mode that recessed convex beyond described metal nook closing member and the soft telescopic metal needle point, inclined-plane interlock or plane join is closely carved to close.
3. puncture needle for minimally invasive treatment according to claim 1 is characterized in that described soft bushing outer surface is provided with coating and indicates scale, and afterbody is provided with folder and closes device and shutoff medicated cap; The surface of metal nook closing member indicates scale, and screw thread is carved with at nearly needle point place.
4. according to the described puncture needle for minimally invasive treatment of the arbitrary claim of claim 1-3, it is characterized in that the long 150cm-200cm of described metal nook closing member, soft telescopic side perforation distribute spacing is 8cm, 6cm, 4cm or 2cm, and the external diameter of needle tubing is 20G-16G.
5. according to the described puncture needle for minimally invasive treatment of the arbitrary claim of claim 1-3, it is characterized in that described soft sleeve pipe is the major and minor tubular construction of Y font.
6. puncture needle for minimally invasive treatment according to claim 5, it is characterized in that described soft sleeve pipe is the double channel catheter structure, conduit one, conduit two connect with the mouth of pipe of the person in charge, looped pipeline respectively, the open sidewall sealing of conduit one front end, conduit two anterior outer walls a plurality of side perforations that distribute, the sealing of the nearly conduit of front end one end place.
7. puncture needle for minimally invasive treatment according to claim 6, it is characterized in that described conduit one and conduit two distribute for wrapping around distribution or half, the long 150cm-200cm of metal nook closing member, soft telescopic side perforation distribute spacing is 8cm, 6cm, 4cm or 2cm, the external diameter of needle tubing is 20G-16G, the looped pipeline bifurcation is apart from being responsible for tail end 3cm, and conduit two seals in distance conduit one most advanced and sophisticated 0.5-1.0cm place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100783212A CN101485588B (en) | 2009-02-25 | 2009-02-25 | Puncture needle for minimally invasive treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100783212A CN101485588B (en) | 2009-02-25 | 2009-02-25 | Puncture needle for minimally invasive treatment |
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| CN101485588A CN101485588A (en) | 2009-07-22 |
| CN101485588B true CN101485588B (en) | 2011-11-09 |
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| CN2009100783212A Expired - Fee Related CN101485588B (en) | 2009-02-25 | 2009-02-25 | Puncture needle for minimally invasive treatment |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828945A (en) * | 2010-04-19 | 2010-09-15 | 中国人民解放军广州疗养院 | Sword-type coelocentesis catheterization device |
| CN103028159A (en) * | 2011-10-06 | 2013-04-10 | 齐克海 | Method for dosing and flushing inside surgery continuous negative-pressure drainage dressing through puncture needle |
| CN105615929A (en) * | 2014-11-05 | 2016-06-01 | 兰州大学 | Visual puncture biopsy treatment needle |
| CN104665897B (en) * | 2015-02-16 | 2017-11-07 | 中国人民解放军第二军医大学 | A kind of ejected wave knife for preventing pneumothorax from occurring follows the trail of label implantation puncture needle |
| CN112244950B (en) * | 2020-09-10 | 2022-04-19 | 杭州德柯医疗科技有限公司 | Interventional instrument |
| CN114795425A (en) * | 2022-05-30 | 2022-07-29 | 复旦大学附属中山医院 | Multi-angle injection puncture needle for targeted therapy under endoscope |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201370857Y (en) * | 2009-02-25 | 2009-12-30 | 中国人民解放军总医院 | Minimally invasive treatment puncture needle |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201370857Y (en) * | 2009-02-25 | 2009-12-30 | 中国人民解放军总医院 | Minimally invasive treatment puncture needle |
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| CN101485588A (en) | 2009-07-22 |
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