CN107297015A - A kind of medical support conduit - Google Patents

A kind of medical support conduit Download PDF

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Publication number
CN107297015A
CN107297015A CN201710499658.5A CN201710499658A CN107297015A CN 107297015 A CN107297015 A CN 107297015A CN 201710499658 A CN201710499658 A CN 201710499658A CN 107297015 A CN107297015 A CN 107297015A
Authority
CN
China
Prior art keywords
conduit
flexible conduit
medical support
hardness
guide portion
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.)
Withdrawn
Application number
CN201710499658.5A
Other languages
Chinese (zh)
Inventor
夏明亮
刘瑞雪
张瑜
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.)
Suzhou Karuizhi Optoelectronics Technology Co Ltd
Original Assignee
Suzhou Karuizhi Optoelectronics Technology 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 Suzhou Karuizhi Optoelectronics Technology Co Ltd filed Critical Suzhou Karuizhi Optoelectronics Technology Co Ltd
Priority to CN201710499658.5A priority Critical patent/CN107297015A/en
Publication of CN107297015A publication Critical patent/CN107297015A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0017Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M2025/0008Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/32General characteristics of the apparatus with radio-opaque indicia

Abstract

The present invention relates to medical catheter technical field, and in particular to a kind of medical support conduit, including:Flexible conduit (1), inside forms a cavity (11), including the Part I (12) and Part II (13) being intervally installed, and the Part I (12) is different with the hardness of Part II (13), streamline guide portion (2) is formed in the upstream end of the flexible conduit (1), the insertion for guiding the flexible conduit (1);Seal wire (3), is inserted in the cavity (11);Injection head (4), is arranged on the one end of the flexible conduit (1) away from the guide portion (2).It is easy to seal wire and bracket conveyer to be moved in stomach intracavitary the invention provides one kind, enough supports can be provided for it, while the medical support conduit damaged will not be caused to enteron aisle.

Description

A kind of medical support conduit
Technical field
The present invention relates to medical catheter technical field, and in particular to a kind of medical support conduit.
Background technology
Stomach duodenum is narrow or blocks in the majority with malignant change, is Stomach duodenum and surrounding organ malignant tumour The caused common complication of infiltration, compressing.Because it directly causes eating disorder to produce the symptoms such as nausea and vomiting, thus seriously The quality of life of patient is have impact on, or even patient is accelerated death.Traditional surgical method damages larger to patient, and It has been often course advancement late period because neoplastic lesion causes during obstruction, has been often accompanied by ascites, abdominal cavity adhesion and transfer, therefore make Palliative stomach, jejunum change its course the increase of surgical drainage risk, and gastrointestinal decompression, intravenous nutrition or percutaneous small needed for sustaining life Intestines, which put pipe nutrition, then makes the quality of life of patient low.Duodenum Stent Placement, refers to insert technology using inner support Narrow or obstruction duodenum section is expanded, a kind for the treatment of method for resettling passage.Stomach duodenum is narrow Inner support PCI can make narrow and obstruction stomach, 12 fingers in the method for non-surgery operation using interventional minimally-invasive technology Intestines lead to again.But, conventional implants are big due to gastral cavity volume, and seal wire, bracket conveyer distort in stomach intracavitary, lack enough branch Support force, sizable difficulty is brought to operation.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome seal wire of the prior art, bracket conveyer in gastral cavity It is interior to distort, lack enough support forces, the defect of operation inconvenience is caused, is easy to seal wire and bracket conveyer to exist so as to provide one kind Stomach intracavitary is moved, and enough supports can be provided for it, while the medical support conduit damaged will not be caused to enteron aisle.
Therefore, technical scheme provides a kind of medical support conduit, including:
Flexible conduit, inside forms a cavity, including the Part I and Part II being intervally installed, and described Part I is different with the hardness of Part II, forms streamline guide portion in the upstream end of the flexible conduit, is used for Guide the insertion of the flexible conduit;
Seal wire, is inserted in the cavity;
Injection head, is arranged on the one end of the flexible conduit away from the guide portion.
Described medical support conduit, the hardness of the Part I is more than the hardness of the Part II, and described the A part is set close to the guide portion.
Described medical support conduit, the length of the Part I is less than 1~2cm of length of Part II.
Described medical support conduit, the flexible conduit is provided with described for identifying close to one end of the guide portion The radiopaque mark of flexible conduit insertion position.
Described medical support conduit, the radiopaque Marking ring is located on the flexible conduit.
Described medical support conduit, the radiopaque is marked labeled as tantalum.
The medical support conduit, the material of the Part I is polyamide, and the material of the Part II is poly- four PVF.
Described medical support conduit, the material of the seal wire is stainless steel or Ti-Ni marmem.
Technical solution of the present invention, has the following advantages that:
1. the medical support conduit that the present invention is provided, flexible conduit includes the Part I being intervally installed and second Point, and Part I is different with the hardness of Part II, so in operation, can lead the flexibility with certain support strength Pipe is inserted into the patient together with seal wire, because flexible conduit includes the different two parts of spaced, hardness, therefore simultaneous Turned round and look at flexible and support strength so that flexible conduit both can smoothly reach Stomach duodenum or more distal end, will not walk again During damage enteron aisle.Streamline guide portion is formed in the upstream end of flexible conduit, flexible conduit can be preferably guided Insertion, reduce the resistance walked.
2. the medical support conduit that the present invention is provided, the hardness of Part I is more than the hardness of Part II, and first Divide and set close to guide portion, this is due to that flexible conduit can run into certain stop during walking, and front end is that hardness is larger Material, be easy to smoothly walk forward.
3. the medical support conduit that the present invention is provided, the length of Part I is less than 1~2cm of length of Part II, i.e., The length of hardness major part is shorter, and the length of hardness smaller portions is then longer, ensure support strength, can be in patient's body It is interior smoothly walk on the premise of, the infringement to enteron aisle is reduced as far as possible, it is easy to use.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic diagram for the medical support conduit that Fig. 1 provides for the present invention.
Description of reference numerals:
1- flexible conduit;2- guide portions;3- seal wires;4- injection heads;5- radiopaques are marked;11- cavitys;12- first Point;13- Part II.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other It can just be combined with each other into conflict.
A kind of embodiment of medical support conduit as shown in Figure 1, the support conduit is mainly used in pernicious swollen The patient of the obstruction of Stomach duodenum tube chamber and gastrointestinal anastomosis tumor recurrence caused by knurl infiltration, compressing, including flexible conduit 1, With certain flexibility and bending degree, can arbitrarily it be walked in enteron aisle, without causing damage to it;Inside flexible conduit 1 Form a cavity 11, including the Part I 12 and Part II 13 being intervally installed, and the Part I 12 and The hardness of two parts 13 is different, i.e., two sections of closest Part I 12 are spaced apart by one section of Part II 13 to be set, distance Two sections of nearest Part II 13 are spaced apart by one section of Part I 12 and set, and so whole flexible conduit 1 can keep certain Flexibility, and certain support strength and walk power because the setting of hardness upper section can be provided.In the flexibility The upstream end of conduit 1 forms streamline guide portion 2, the insertion for guiding the flexible conduit 1.Streamlined directed portion 2 Surface be an arc-shaped transitional surface, resistance when flexible conduit 1 is walked can be reduced, can be avoided to the full extent to enteron aisle again Damage.Seal wire 3, is inserted in the cavity 11, smoothly can be entered under the guiding of flexible conduit 1 in patient's body, and is reached As the guide of stenter to implant behind precalculated position, the other end of seal wire 3 extends the cavity 11 of flexible conduit 1, facilitates support Install.The material of the seal wire 3 is stainless steel or Ti-Ni marmem.Injection head 4, is arranged on the flexible conduit 1 remote From one end of the guide portion 2.Injection head 4 is used for when flexible conduit 1 is inserted into the patient, injects and makes into flexible conduit 1 The medicines such as shadow agent.
The hardness of the Part I 12 is more than the hardness of the Part II 13, and the Part I 12 is close to described Guide portion 2 is set.The material of the Part I 12 is polyamide, and the material of the Part II 13 is polytetrafluoroethylene (PTFE).Draw The material for leading portion 2 is and the identical polyamide of Part I 12 that such guide portion 2 can just pass through various inside enteron aisle Stop, reach Stomach duodenum or more distal end.Flexible conduit 1 is set to the different two parts of hardness and is intervally arranged, relative to one The conduit that part hardness is big, another part hardness is small, the either segment of the flexible conduit 1 of the present embodiment be respectively provided with certain flexibility and Intensity, which is not in that flexibility is poor, influences the extreme cases such as walking in enteron aisle, or the higher easy damaged enteron aisle of hardness.
The length of the Part I 12 is less than 1~2cm of length of Part II 13.Increase the less Part II of hardness 13 length can increase the flexibility of flexible conduit 1, it is to avoid because integral hardness is larger, be unfavorable for wearing inside enteron aisle OK, in addition infringement enteron aisle inwall.
The flexible conduit 1 is provided with for identifying the insertion position of flexible conduit 1 not close to one end of the guide portion 2 Transmit wire tag 5.The ring of radiopaque mark 5 is located on the flexible conduit 1, and width is 1cm or so.The radiopaque Mark 5 marks for tantalum, tantalum mark not radioparent, therefore show under fluoroscopy, to identify the insertion position of flexible conduit 1. Once doctor observes that the guide portion 2 of flexible conduit 1 has arrived at precalculated position under fluoroscopy, then it can be implanted into along seal wire 3 Support, completes operation.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (8)

1. a kind of medical support conduit, it is characterised in that including:
Flexible conduit (1), inside forms a cavity (11), including the Part I (12) and Part II being intervally installed (13), and the Part I (12) is different with the hardness of Part II (13), it is molded in the upstream end of the flexible conduit (1) There is streamline guide portion (2), the insertion for guiding the flexible conduit (1);
Seal wire (3), is inserted in the cavity (11);
Injection head (4), is arranged on the one end of the flexible conduit (1) away from the guide portion (2).
2. medical support conduit according to claim 1, it is characterised in that the hardness of the Part I (12) is more than institute The hardness of Part II (13) is stated, and the Part I (12) is set close to the guide portion (2).
3. medical support conduit according to claim 2, it is characterised in that the length of the Part I (12) is less than the 1~2cm of length of two parts (13).
4. medical support conduit according to claim 1, it is characterised in that the flexible conduit (1) is close to the guiding The one end in portion (2) is provided with the radiopaque mark (5) for identifying the flexible conduit (1) insertion position.
5. medical support conduit according to claim 4, it is characterised in that described radiopaque mark (5) ring is located at institute State on flexible conduit (1).
6. medical support conduit according to claim 5, it is characterised in that the radiopaque mark (5) marks for tantalum.
7. the medical support conduit according to any one of claim 1~6, it is characterised in that the Part I (12) Material is polyamide, and the material of the Part II (13) is polytetrafluoroethylene (PTFE).
8. according to medical support conduit according to any one of claims 1 to 7, it is characterised in that the material of the seal wire (3) For stainless steel or Ti-Ni marmem.
CN201710499658.5A 2017-06-26 2017-06-26 A kind of medical support conduit Withdrawn CN107297015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710499658.5A CN107297015A (en) 2017-06-26 2017-06-26 A kind of medical support conduit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710499658.5A CN107297015A (en) 2017-06-26 2017-06-26 A kind of medical support conduit

Publications (1)

Publication Number Publication Date
CN107297015A true CN107297015A (en) 2017-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710499658.5A Withdrawn CN107297015A (en) 2017-06-26 2017-06-26 A kind of medical support conduit

Country Status (1)

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CN (1) CN107297015A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1225282A (en) * 1997-11-21 1999-08-11 萨考斯公司 Improved hybrid catheter guide wire apparatus
EP1839697A1 (en) * 2006-03-29 2007-10-03 Cordis Development Corporation Joined metal tubing and method of manufacture
CN101878052A (en) * 2007-11-27 2010-11-03 泰科保健集团有限合伙公司 Medical system and catheter connector apparatus
CN201906331U (en) * 2011-01-12 2011-07-27 李志华 Air bag ureter
CN103721336A (en) * 2013-11-26 2014-04-16 南京大学医学院附属鼓楼医院 Novel nasal jejunum feeding tube guiding wire
CN105168005A (en) * 2015-09-16 2015-12-23 曹赞 Catheter
CN205459231U (en) * 2016-01-22 2016-08-17 上海市徐汇区大华医院 Support is put into exchange and is used pipe installation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1225282A (en) * 1997-11-21 1999-08-11 萨考斯公司 Improved hybrid catheter guide wire apparatus
EP1839697A1 (en) * 2006-03-29 2007-10-03 Cordis Development Corporation Joined metal tubing and method of manufacture
CN101878052A (en) * 2007-11-27 2010-11-03 泰科保健集团有限合伙公司 Medical system and catheter connector apparatus
CN201906331U (en) * 2011-01-12 2011-07-27 李志华 Air bag ureter
CN103721336A (en) * 2013-11-26 2014-04-16 南京大学医学院附属鼓楼医院 Novel nasal jejunum feeding tube guiding wire
CN105168005A (en) * 2015-09-16 2015-12-23 曹赞 Catheter
CN205459231U (en) * 2016-01-22 2016-08-17 上海市徐汇区大华医院 Support is put into exchange and is used pipe installation

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Application publication date: 20171027

WW01 Invention patent application withdrawn after publication