CN106730243A - A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof - Google Patents

A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof Download PDF

Info

Publication number
CN106730243A
CN106730243A CN201710004090.5A CN201710004090A CN106730243A CN 106730243 A CN106730243 A CN 106730243A CN 201710004090 A CN201710004090 A CN 201710004090A CN 106730243 A CN106730243 A CN 106730243A
Authority
CN
China
Prior art keywords
conduit
spiral wire
tube head
internal layer
antisitic defect
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.)
Pending
Application number
CN201710004090.5A
Other languages
Chinese (zh)
Inventor
兰天星
卢言京
郑利成
李朝东
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.)
LINYI XINGHUA MEDICAL EQUIPMENT Co Ltd
Original Assignee
LINYI XINGHUA 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 LINYI XINGHUA MEDICAL EQUIPMENT Co Ltd filed Critical LINYI XINGHUA MEDICAL EQUIPMENT Co Ltd
Priority to CN201710004090.5A priority Critical patent/CN106730243A/en
Publication of CN106730243A publication Critical patent/CN106730243A/en
Pending 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
    • 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
    • A61M25/0009Making of catheters or other medical or surgical tubes
    • A61M25/0012Making of catheters or other medical or surgical tubes with embedded structures, e.g. coils, braids, meshes, strands or radiopaque coils
    • 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
    • A61M25/0009Making of catheters or other medical or surgical tubes
    • A61M25/0015Making lateral openings in a catheter tube, e.g. holes, slits, ports, piercings of guidewire ports; Methods for processing the holes, e.g. smoothing the edges
    • 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
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/005Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
    • A61M25/0053Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
    • 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

Abstract

The present invention provides a kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof, the anesthetic tube includes conduit and pipe joint, the conduit includes body and tube head, described body one end and the pipe joint socket connection, and the other end connects the tube head;The hardness of the tube head is gradually hardened to the body direction from its front end by soft;Spiral wire is provided with the tube wall of the body, it is provided with some medicine outlet holes with the end that the tube head is connected.Rational in infrastructure, modern design of the invention, flexible tube head causes that catheter head is flexible, easily inserts, it is not easy to injury tissue and endorchis, it is to avoid the appearance of postoperative complication;Tubular body is provided with spiral wire simultaneously, will not be crushed during use, and path is smooth, and anaesthetic effect is good;To the compressing of spinal epidural cavity nerve after preventing from inserting, safe, comfort level is good.

Description

A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof
Technical field
The invention belongs to Medical anesthetic fixture technology field, and in particular to a kind of spiral wire of flexible antisitic defect is reinforced Anesthetic tube and preparation method thereof.
Background technology
Extradural nerve block of the prior art is a kind of anesthesia of wide clinical application, with it is simple to operate, Be easily managed in low cost, art, it is postoperative the advantages of be easy to Epidural analgesia, the critical piece that this anesthesia is used is Anesthetic tube.Traditional anesthetic tube is formed by transparent conduit and pipe joint grafting, because conduit is plastic material, during operation Easily it is crushed or is converted into dead angle, cause path to be closed, anaesthetic effect is poor;When the hardness of conduit material is high, conduit is easy to Human body is inserted, but the easy tissue blood vessel that stabs of flexibility ratio difference, nerve even break endorchis, and there is the phenomenon damaged particularly in blood vessel Prominent, security is poor;When the hardness of conduit material is low, flexibility ratio is high, but conduit is not easy to insert spinal epidural cavity, also, It is easily bent after inserting and is even knotted, cause conduit to take out, operation is wasted time and energy;What segmental epidural catheter was finally inserted Epidural intraluminal tissue is soft and be rich in nerve, conventional catheters insert after easy compressing spinal epidural cavity nerve, cause patient Comfort level it is poor.
The spiral wire of the wire reinforced conduit of conventional helical is directly contacted with liquid, because spiral wire winding process is needed Mineral oil lubrication is added, needs to carry out spiral wire crack cleaning, the drying course of complexity before production conduit, and be difficult to clean, Easy laying dust pollution between spiral wire and sleeve pipe in production process, finally enters human body spinal cavity and produces many sequelae with liquid. Spiral wire is directly contacted with liquid, its rough surface, is unfavorable for liquid medicine flow, and flow reduces, and liquid is pressed from both sides into spiral wire In seam, residual quantity is not easy to control.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of spiral steel of flexible antisitic defect Silk reinforced anesthetic conduit, for solving problems present in prior art.
In order to achieve the above objects and other related objects, a kind of spiral wire of flexible antisitic defect of present invention offer is reinforced Anesthetic tube, including conduit and pipe joint, the conduit include body and tube head, described body one end and the pipe joint Socket connection, the other end connects the tube head;The hardness of the tube head is gradually hardened to the body direction from its front end by soft; Spiral wire is provided with the tube wall of the body, it is provided with some medicine outlet holes with the end that the tube head is connected.
Preferably, the length of the tube head is not more than 1cm.
Preferably, the tube head is the solid construction of soft macromolecular material.
Preferably, soft macromolecular material is selected from the one kind in PA, PEBAX, polyurethane, thermoplastic elastomer (TPE).
Preferably, the catheter length direction is provided with the impermeable developing line of X-ray.
Preferably, the conduit outer wall is provided with some apart from mark line.
Preferably, it is described to be marked since the one end of the conduit away from the pipe joint apart from mark line, after 100mm Every described in 50mm apart from mark line overstriking mark.
Preferably, the body and the tube head junction are cone.
Preferably, from the tube head to the pipe joint direction, the pitch of the spiral wire is by tapering into greatly.
In order to achieve the above objects and other related objects, a kind of spiral wire of flexible antisitic defect of present invention offer is reinforced The preparation method of anesthetic tube, including:
Conduit internal layer is extruded with extruder, by conduit internal layer insertion spiral wire inner chamber;
Take the elastic rubber pipe that length is longer than the conduit internal layer;The elastic rubber pipe is inserted into the conduit internal layer cavity It is interior, elastic rubber pipe one end sealing, other end connection charging connector;
Elastic rubber pipe in addition to elastic rubber pipe two ends, conduit internal layer and spiral wire are placed in obturator, are heated Start to soften to conduit internal layer, then vacuumize, make conduit inner layer expansion, its outer surface is fusing into spiral wire crack;
Inflated in elastic rubber pipe, expand it, drive the expansion of conduit internal layer, in traveling further into spiral wire crack;
When conduit internal layer inwall reaches preliminary dimension, stop heating, after the solidification of conduit internal layer, from conduit after elastic rubber pipe is discouraged Extracted out in internal layer;
The outer co-extrusion of spiral wire and the medical material of conduit internal layer bio-compatible, as the outer wall of anesthetic tube, obtain semi-finished product;
By the front end of semi-finished product and prefabricated tube head semi-finished product ultrasonic bonding;Drug is stamped in predeterminated position puncher Hole, obtains final product the spiral wire reinforced anesthetic conduit of the flexible antisitic defect.
As described above, the spiral wire reinforced anesthetic conduit of flexible antisitic defect of the invention, has the advantages that:
The spiral wire reinforced anesthetic conduit of the flexible antisitic defect, including conduit and pipe joint, the conduit include body And tube head, described body one end and the pipe joint socket connection, the other end connection tube head;The hardness of the tube head from Its front end is gradually hardened to the body direction by soft;Spiral wire is provided with the body, its end being connected with the tube head Portion is provided with some medicine outlet holes.Rational in infrastructure, modern design of the invention, flexible tube head causes that catheter head is flexible, easily inserts, no Easy injury tissue and endorchis, it is to avoid the appearance of postoperative complication;Tubular body is provided with spiral wire simultaneously, uses process In will not be crushed, path is smooth, and anaesthetic effect is good;To the compressing of spinal epidural cavity nerve after preventing from inserting, safe, Comfort level is good.Spiral wire is in the layout of inside anesthetic tube tube wall, spiral wire not with liquid directly contact, in crack remain Mineral oil does not influence liquid, and tube chamber inner surface is smooth medical high polymer, does not influence catheter flow, is not remained at spiral wire Liquid.
Brief description of the drawings
Fig. 1 is shown as the structure of the spiral wire reinforced anesthetic conduit of flexible antisitic defect described in one embodiment of the invention Schematic diagram.
Fig. 2 is shown as the knot of the spiral wire reinforced anesthetic conduit of flexible antisitic defect described in yet another embodiment of the invention Structure schematic diagram(Partial enlarged drawing).
Fig. 3 is shown as the knot of the spiral wire reinforced anesthetic conduit of flexible antisitic defect described in yet another embodiment of the invention Structure schematic diagram(Partial enlarged drawing).
Fig. 4 is shown as the spiral wire reinforced anesthetic conduit preparation technology schematic diagram of flexible antisitic defect of the present invention.
In figure:1- pipe joints, 2- bodys, 3- tube heads, 4- medicine outlet holes, 5- spiral wires, 6- leads apart from mark line, 201- Inner tube layer, 7- elastic rubber pipes, 8- charging connectors, 9- obturators, 10- vacuum-pumping valves.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages of the invention and effect easily.
Refer to Fig. 1 to Fig. 4.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., is only used to Coordinate the content disclosed in specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size It is whole, in the case where effect that can be generated of the invention and the purpose to be reached is not influenceed, all should still fall in disclosed skill In the range of art content is obtained and can covered.Meanwhile, in this specification it is cited as " on ", D score, "left", "right", " centre " and The term of " one " etc., is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness It is altered or modified, under without essence change technology contents, when being also considered as enforceable category of the invention.
As shown in figure 1, the present invention provides a kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect, including conduit and Pipe joint 1, the conduit includes body 2 and tube head 3, the one end of the body 2 and the socket connection of the pipe joint 1, another The end connection tube head 3;The hardness of the tube head 3 is gradually hardened to the direction of the body 2 from its front end by soft;The body 2 The spiral wire 5 with strengthening inside is provided with, it is provided with some medicine outlet holes 4 with the end that the tube head 3 is connected.The length of the tube head 2 Degree is not more than 1cm, it is ensured that the overall hardness of conduit, it is to avoid the bending even generation of knotting phenomenon after inserting.
In another embodiment, the tube head 2 is the solid construction of soft macromolecular material.Wherein, soft macromolecular material is selected from One kind in PA, PEBAX, polyurethane, thermoplastic elastomer (TPE).
In another embodiment, the conduit is longitudinally provided with the impermeable developing line of X-ray.The conduit is provided with some apart from mark line 6.It is described to be marked since the one end of the conduit away from the pipe joint apart from mark line 6, every described in 50mm after 100mm Apart from the overstriking of mark line 6 mark.Marked for ease of reading, marked using two-wire at 100mm, three wire tags are used at 150mm, with This analogizes.
As shown in Fig. 2 in another embodiment, the body is cone, conical structure energy with the tube head junction Enough increase the contact area of body and tube head, increase firm welding degree.
As shown in figure 3, in another embodiment, the spiral wire from the tube head to pipe joint direction pitch by Taper into greatly, it is possible to achieve anesthetic tube is gradually softened forward by rear end, prevent from damaging endorchis.
The preparation method of the spiral wire reinforced anesthetic conduit of above-mentioned flexible antisitic defect(By taking the conduit of external diameter 1mm as an example Explanation):
As shown in figure 4, first using precise micro-extrusion machine, extrude(Polyurethane, PA, PEBAX)The conduit internal layer of thermoplastic, leads Inner tube layer external diameter about 0.5mm(Internal diameter about 0.4mm), the internal-and external diameter of spiral wire coordinated with 1.0mm external diameters product is about 0.55mm(External diameter about 0.7mm), conduit internal layer insertion spiral wire inner chamber.By ready high temperature resistant Inflatable elastic rubber tube In insertion conduit internal layer cavity, one end sealing, the other end connects the inflation inlet of aerating device(The gas injection port structure and tyre inflating The one-way cock of mouth is similar).Elastic rubber pipe in addition to elastic rubber pipe two ends, conduit internal layer and spiral wire are placed in close Close in device, be first heated to conduit internal layer and start to soften, then vacuumize, make conduit inner layer expansion, its outer surface enters spiral In steel wire crack, inflated in elastic rubber pipe, expand it, drive the expansion of conduit internal layer, travel further into spiral wire folder In seam, elastic rubber pipe ensures that conduit internal layer inner surface is smooth, during stabilization internal diameter about 0.5mm, stops heating, makes in conduit internal layer Footpath is set in 0.5mm, stops heating, and after the solidification of conduit internal layer, elastic rubber pipe is extracted out after losing heart from conduit internal layer.
Fixed inner diameter and material are goed deep into crack in spiral wire pitch as semi-finished product I, outside this semi-finished product I One layer of biocompatibility medical material of co-extrusion(Such as polyurethane, PA, PEBAX), as the outer wall of product, realize tube wall inside cladding Spiral wire.
Method using heating melting closes one end of conduit, cone is then pulled fine as, with prefabricated tube head Semi-finished product ultrasonic bonding;With puncher liquid aperture is stamped out in conduit head end;Printed with special printing equipment in catheter surface High scale line, and dried on special drying device, obtain final product the spiral wire reinforced anesthetic conduit of the flexible antisitic defect.
Rational in infrastructure, modern design of the invention, flexible tube head causes that catheter head is flexible, easily inserts, it is not easy to damage Tissue and endorchis, it is to avoid the appearance of postoperative complication;Simultaneously tubular body be provided with spiral wire, improve its axle stability and The performance of antitorque knot keeps its pliability simultaneously, it is easy to inserts and takes out, and almost not in epidural space interior circuit and beats The risk of knot, path is smooth during use, and anaesthetic effect is good;To the compressing of spinal epidural cavity nerve after preventing from inserting, peace Quan Xinggao, comfort level are good.Spiral wire is in the layout of inside anesthetic tube tube wall, spiral wire not with liquid directly contact, crack The mineral oil of middle residual does not influence liquid, and tube chamber inner surface is smooth medical high polymer, does not influence catheter flow, spiral wire Locate not residual liquor.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as Into all equivalent modifications or change, should be covered by claim of the invention.

Claims (10)

1. the spiral wire reinforced anesthetic conduit of a kind of flexible antisitic defect, it is characterised in that including conduit and pipe joint, institute Stating conduit includes body and tube head, described body one end and the pipe joint socket connection, and the other end connects the tube head;Institute The hardness for stating tube head is gradually hardened to the body direction from its front end by soft;Spiral wire is provided with the tube wall of the body, It is provided with some medicine outlet holes with the end that the tube head is connected.
2. as claimed in claim 1 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that the tube head Length is not more than 1cm.
3. as claimed in claim 1 or 2 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that the pipe Head is the solid construction of soft macromolecular material.
4. as claimed in claim 1 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that soft macromolecule material Material is selected from the one kind in PA, PEBAX, polyurethane, thermoplastic elastomer (TPE).
5. as claimed in claim 1 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that the conduit is long Degree direction is provided with the impermeable developing line of X-ray.
6. as claimed in claim 5 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that outside the conduit Wall is provided with some apart from mark line.
7. as claimed in claim 6 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that it is described distance mark Note line is marked since the one end of the conduit away from the pipe joint, every adding apart from mark line described in 50mm after 100mm Thick mark.
8. as claimed in claim 1 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that the body with The tube head junction is.
9. as claimed in claim 1 flexibility antisitic defect spiral wire reinforced anesthetic conduit, it is characterised in that from the tube head To the pipe joint direction, the pitch of the spiral wire is by tapering into greatly.
10. as claimed in claim 1 flexibility antisitic defect spiral wire reinforced anesthetic conduit preparation method, including:
Conduit internal layer is extruded with extruder, by conduit internal layer insertion spiral wire inner chamber;
Take the elastic rubber pipe that length is longer than the conduit internal layer;The elastic rubber pipe is inserted into the conduit internal layer cavity It is interior, elastic rubber pipe one end sealing, other end connection charging connector;
Elastic rubber pipe in addition to elastic rubber pipe two ends, conduit internal layer and spiral wire are placed in obturator, are heated Start to soften to conduit internal layer, then vacuumize, make conduit inner layer expansion, its outer surface is fusing into spiral wire crack;
Inflated in elastic rubber pipe, expand it, drive the expansion of conduit internal layer, in traveling further into spiral wire crack;
When conduit internal layer inwall reaches preliminary dimension, stop heating, after the solidification of conduit internal layer, from conduit after elastic rubber pipe is discouraged Extracted out in internal layer;
The outer co-extrusion of spiral wire and the medical material of conduit internal layer bio-compatible, as the outer wall of anesthetic tube, obtain semi-finished product;
By the front end of semi-finished product and prefabricated tube head semi-finished product ultrasonic bonding;Drug is stamped in predeterminated position puncher Hole, obtains final product the spiral wire reinforced anesthetic conduit of the flexible antisitic defect.
CN201710004090.5A 2017-01-04 2017-01-04 A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof Pending CN106730243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710004090.5A CN106730243A (en) 2017-01-04 2017-01-04 A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710004090.5A CN106730243A (en) 2017-01-04 2017-01-04 A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106730243A true CN106730243A (en) 2017-05-31

Family

ID=58950189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710004090.5A Pending CN106730243A (en) 2017-01-04 2017-01-04 A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106730243A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096113A (en) * 2017-06-27 2017-08-29 朱辉 A kind of postoperative anesthesia stays pipe with putting
CN107648721A (en) * 2017-09-06 2018-02-02 南通伊诺精密塑胶导管有限公司 A kind of anti-folding guiding catheter of high flow capacity
CN107714162A (en) * 2017-11-15 2018-02-23 丁娜 A kind of reinforced anesthetic treats conduit
CN108744236A (en) * 2018-07-02 2018-11-06 临沂市兴华医用器材有限公司 A kind of composite reinforced segmental epidural catheter and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB867836A (en) * 1956-09-20 1961-05-10 Dayco Corp Flexible conduit
US4990143A (en) * 1990-04-09 1991-02-05 Sheridan Catheter Corporation Reinforced medico-surgical tubes
CN201223622Y (en) * 2007-09-29 2009-04-22 深圳市凯思特精工塑料有限公司 Anaesthesia catheter welded with solid soft head
CN201441720U (en) * 2009-08-10 2010-04-28 兰天星 Novel segmental epidural catheter
CN202740585U (en) * 2012-06-27 2013-02-20 江苏省华星医疗器械实业有限公司 Enhanced anesthesia guide pipe with no-damage soft head
CN202920773U (en) * 2012-11-20 2013-05-08 江苏省华星医疗器械实业有限公司 No-damage anesthesia catheter with steel wire
CN103316415A (en) * 2013-03-21 2013-09-25 佛山特种医用导管有限责任公司 Reinforced anesthesia catheter
CN205698854U (en) * 2016-03-22 2016-11-23 江苏省华星医疗器械实业有限公司 Steel wire not damaged anesthetic tube

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB867836A (en) * 1956-09-20 1961-05-10 Dayco Corp Flexible conduit
US4990143A (en) * 1990-04-09 1991-02-05 Sheridan Catheter Corporation Reinforced medico-surgical tubes
CN201223622Y (en) * 2007-09-29 2009-04-22 深圳市凯思特精工塑料有限公司 Anaesthesia catheter welded with solid soft head
CN201441720U (en) * 2009-08-10 2010-04-28 兰天星 Novel segmental epidural catheter
CN202740585U (en) * 2012-06-27 2013-02-20 江苏省华星医疗器械实业有限公司 Enhanced anesthesia guide pipe with no-damage soft head
CN202920773U (en) * 2012-11-20 2013-05-08 江苏省华星医疗器械实业有限公司 No-damage anesthesia catheter with steel wire
CN103316415A (en) * 2013-03-21 2013-09-25 佛山特种医用导管有限责任公司 Reinforced anesthesia catheter
CN205698854U (en) * 2016-03-22 2016-11-23 江苏省华星医疗器械实业有限公司 Steel wire not damaged anesthetic tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096113A (en) * 2017-06-27 2017-08-29 朱辉 A kind of postoperative anesthesia stays pipe with putting
CN107648721A (en) * 2017-09-06 2018-02-02 南通伊诺精密塑胶导管有限公司 A kind of anti-folding guiding catheter of high flow capacity
CN107714162A (en) * 2017-11-15 2018-02-23 丁娜 A kind of reinforced anesthetic treats conduit
CN108744236A (en) * 2018-07-02 2018-11-06 临沂市兴华医用器材有限公司 A kind of composite reinforced segmental epidural catheter and preparation method thereof

Similar Documents

Publication Publication Date Title
CN106730243A (en) A kind of spiral wire reinforced anesthetic conduit of flexible antisitic defect and preparation method thereof
US3042045A (en) Medico-surgical tubes having integral connectors formed in their ends
KR102448392B1 (en) catheter with varying characteristics
CN105263831B (en) Fluid and nutriment conveying device and application method
US20190262579A1 (en) Urinary catheter with integrated connector
CN106943655A (en) Artificial airway apparatus and the method for forming the device
CN106068139B (en) Airway intubation device
KR101109700B1 (en) Kadeteo prayer balloons
EP2885043A2 (en) Improved nasogastric tube
CN106620997A (en) Double-layer combined anesthesia catheter
US20100063477A1 (en) Medical Tubing with a Flexible Tip and Method of Preparation
CN209713963U (en) A kind of open and close type stomach tube
CN206896587U (en) A kind of spiral wire reinforced segmental epidural catheter of flexible antisitic defect
CN112206399A (en) Vascular catheter sheath assembly
CN107007922A (en) A kind of nasal sinus balloon expandable and therapeutic system
KR101528418B1 (en) Intubation tube
US20090099515A1 (en) Trans-cervical catheter having a conical-shaped balloon
CN105168005A (en) Catheter
CN215133645U (en) Direction-adjustable digestive system catheter pylorus passing device
CN213964786U (en) Gastroenterology tube external member of dosing
CN204890661U (en) Nasogastric tube convenient to change
CN205411700U (en) Medical nose intestines tube
CN204337495U (en) A kind of cervical dilatation foley's tube
CN206910579U (en) Two-layer compound anesthetic tube
CN203841783U (en) Renal artery ablation radiography/guide catheter with controllable flexible head

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170531

RJ01 Rejection of invention patent application after publication