CN207384575U

CN207384575U - Split type intubation optical wand

Info

Publication number: CN207384575U
Application number: CN201720277519.3U
Authority: CN
Inventors: 徐纳新
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-21
Filing date: 2017-03-21
Publication date: 2018-05-22
Anticipated expiration: 2027-03-21

Abstract

The utility model discloses a kind of split type intubation optical wand, its light source box for including providing light source and the lamp guide that leaded light is carried out to the light source in light source box, lamp guide one end is fixedly connected with light source box as light source inlet, compared with the other end of light source inlet as free end, light is conducted through lamp guide to the free end during light source luminescent in light source box；The end face of the free end of lamp guide is the concave surface of closing.The utility model uses soft optical fiber, can effectively reduce crazing phenomenon, extends optical wand service life；Its free end is set to concave surface, and light extraction is uniformly distributed within the specific limits, and total amount of heat is constant, but center local temperature reduces, and reduces the possibility that mucous membrane is burnt.The plasticity body of rod and the light source box of lamp guide separate, and are conveniently replaceable the body of rod of different length, caliber, also can be disposable.After epoxy resin dispensing closing, it is corrosion-resistant that heatproof is water-fast, can meet the condition of repeated multiple times low-temperature plasma or ethylene oxide sterilizing at the both ends of lamp guide.

Description

Split type intubation optical wand

Technical field

The utility model is related to a kind of trachea cannula light bar, especially a kind of split type intubation optical wand of closing, the optical wand Front-end architecture has epoxy resin concave surface, and substitutes hard light-conductive optic fibre using soft light-conductive optic fibre.

Background technology

Optical wand endotracheal intubation is widely used in clinic after Macewan is used successfully for the first time early in nineteen fifty-seven in foreign countries Anesthesia, anesthetist association of the U.S.（ASA）Optical wand trachea cannula is included in difficult intubation technology in difficult airway management rule One of.China is applied to clinic since the nineties in last century begins to introduce, and since optical wand intubation technique is simple and practical, is easily mastered, Few intercurrent disease, success rate is high, can be as department of anesthesia, emergency department's routine tracheal intubation technique and difficult airway, the head of difficult intubation One of choosing method.

The main target of optical wand trachea cannula is to solve difficult airway, it is desirable that optical wand brightness is high, while closed good and tool There is plasticity.Wherein, optical wand（Light wand, also known as light rope, light guide tube core）A flexible metal catheter, front end or Rear end be equipped with light source, afterbody be connected with battery and（Or nothing）Switch.Existing light source is divided to two kinds of LED and laser diode, at present Both light sources can accomplish very high brightness, and appropriate material is selected, which to do tube body, can also solve the plasticity of optical wand.LED The defects of light source, is that light bulb is located at the front end of optical wand, has the risk that comes off, previously has front end light bulb to fall into patient one side gas really The report of pipe.Laser diode class optical wand is because of light source postposition, and front end is plastic optical fiber, and there is no the risks that comes off.But no matter LED or Person's laser diode light source, after brightness improves, the front end heat of optical wand necessarily increases, and when use will have tunica mucosa tracheae of burning Misgivings.The misgivings of bigger are that the sealing technique of the front end of optical wand will meet radiating and cooling simultaneously, tight-closed and lasting, reach energy The tolerance Xun Huan disinfection even horizontal harsh conditions of sterilizing, prevent cross-infection, this point is more and more important.

For current market sales of optical wand there are two types of type, one kind is integrally formed optical wand for LED light source, there is no closing and Sterilizing problem, plasticity are also satisfied with, but brightness is substantially short of, and LED light direction collimations are poor compared with laser diode.Other one Class is mainstream technology, using laser diode light source type optical wand, mostly using rigid plastics light-conductive optic fibre（PMMA）, optical wand is being intubated In the process, especially for difficult intubation, it is necessary to find glottis repeatedly, the body of rod of optical wand can be in laterally and longitudinally both direction repeatedly Micro- swing, rigid plastics optical fiber can ultimately result in optical wand because microbend generates crazing phenomenon and gradually appears optical attenuation repeatedly Lose the function of guide cannula.Crazing phenomenon also has environmental stress agent in addition to the basic reason in terms of material, including Water, soda acid and organic solvent, and human body throat secretion is exactly such a like environment.Plastic optical fiber moisture-proof generally compared with Difference, makes the absorption of vibrations of core polymer C-H enhance after water suction, accelerate fibre loss, so using novel optical fiber material and right Optical wand front end carries out high intensity and precisely closes, and not only to preventing that medical cross infection is significant, while can reduce patient and glue Probability that film is burnt simultaneously effectively extends optical wand service life.Current laser diode light source class optical wand patent is not to preceding end seal Effect does detailed statement after closing material and technology and closing, it is difficult to meet highlighted, low-heat simultaneously, plastic, repeatable disinfection is gone out The condition of bacterium.

Utility model content

Therefore, do not grown for the service life of current optical wand and optical wand is difficult to meet highlighted, low-heat simultaneously, it is plastic, can The problems such as condition of repeated disinfection sterilizing, the utility model proposes one kind using high power laser diode as light source, with fluorine dimerization It closes the soft light-conductive optic fibre of object and replaces existing rigid plastics optical fiber（PMMA）While there is the split type of epoxy resin sealing concave surface to insert Pipe optical wand is improved optical wand body of rod internal optical fiber and front-end architecture, delays crazing phenomenon, improves service life, prevents Optical wand light-source brightness causes the increase of optical wand front end light extraction spot center local temperature after being promoted, and then the tracheae that avoids burning glues Film, while meet tight-closed and lasting, water resistant, high temperature resistant, reach and be resistant to Xun Huan the disinfection even harsh item of sterilizing level Part.

In order to solve the above-mentioned technical problem, thinking is to provide a kind of split type intubation optical wand used by the utility model, Light source is done using high power laser diode, light source is avoided to come off risk while improving front brightness；Using soft guide-lighting light Fibre, and formed using transparent fluorine polyacetylene compound fibre core and fluoroplastics, the crazing phenomenon in optical fiber use is effectively reduced, improving makes Use the service life；With epoxy resin dispensing sealing technique, make optical wand front end tight-closed and lasting；It is squeezed using plastic optical fiber dough made with boiling water Mold makes optical wand front end be recessed inwardly for concave structure, so as to achieve the effect that even heat is distributed, and then avoids tracheae of burning The hidden danger of mucous membrane；In addition, being connected through a screw thread between optical wand end and light source box, therefore can be used instead in actual use by dismounting The body of rod of different length and diameter can be abandoned to adapt to the needs of different case trachea cannulas, and after using it is disposable, It can sterilization repeatedly.

Specifically, the utility model is the technical scheme adopted is that a kind of split type intubation optical wand, including being used to provide light The light source box in source and the lamp guide that leaded light is carried out to the light source in light source box, described lamp guide one end is fixedly connected with light source box As light source inlet, compared with the other end of light source inlet as free end, light passes through during light source luminescent in light source box Lamp guide is conducted to the free end；Wherein, the end face of the free end of the lamp guide is the concave surface of closing.

Further, the lamp guide includes being shaped as the plasticity body of rod of J-shaped in advance and inside the plasticity body of rod Soft optical fiber.The plasticity body of rod is generally made of metal.It is further preferred that the soft optical fiber includes sandwich layer and cladding The sheaths of sandwich layer, wherein, sandwich layer uses sandwich layer prepared by fluorine polyacetylene compound, and sheaths use sheaths prepared by fluoroplastics, so that soft Matter optical fiber becomes high transparency flexible plastic light-conductive optic fibre, so as to delay crazing phenomenon, improves service life.

Further, the concave surface of the free end of the lamp guide is to form concave surface by mold hot pressure, mold therein Dome-type stainless steel mould can be selected.

Further, the concave surface of the free end of the lamp guide is externally provided with the sealant layer for sealing, and sealant layer leads to It crosses full-automatic non-contact injection dispenser to spray, it is preferred that the sealant layer is realized using epoxide-resin glue.Equally , the end face of the light source inlet of the lamp guide is externally provided with the second sealant layer for sealing, which leads to It crosses full-automatic non-contact injection dispenser to spray, it is preferred that second sealant layer is realized using epoxide-resin glue.

The light source box includes shell, the light source arranged on enclosure and the power supply for light source power supply, and the light source is excellent Choosing is realized using laser module.For the ease of dismounting, the shell includes the cap body and main body that are connected by screw thread screwing type, can It is easy to disassemble, in addition, waterproof washer can be added, further enhance leakproofness.

Further, it is arranged to be fixedly connected between the lamp guide and cap body, the light source inlet of lamp guide stretches into cap Internal portion, and its gap between cap body by glue-line fill bond, so as to fulfill the light source in lamp guide and light source box it Between accurate fixation.Glue-line therein is preferably realized using acrylic acid structure glue.

In order to facilitate the installation of, the lamp guide is arranged with catheter positioning plug by close to sources inlet one side, it is preferred that described Catheter positioning plug is pyramidal structure.

The beneficial effects of the utility model are that the free end of lamp guide forms concave surface through hot pressure and epoxy resin dispensing is closed Afterwards, light extraction is uniformly distributed in 2 cm range of diameter, and total amount of heat is constant, but central temperature reduces, and reduce that mucous membrane burns can It can property.Meanwhile existing rigid optical fiber is replaced using soft optical fiber, and the sandwich layer of soft optical fiber is prepared using fluorine polyacetylene compound, Sheaths are prepared using fluoroplastics, so that soft optical fiber becomes high transparency flexible plastic light-conductive optic fibre, are effectively reduced in optical fiber use Crazing phenomenon, improve service life.In addition, being fixedly connected between lamp guide and cap body, pass through spiral shell between cap body and main body Line screwing type connects, therefore the plasticity body of rod of lamp guide and the main body of light source box（Part equipped with laser module and power supply）It is It is separable, therefore the plasticity body of rod of replaceable different length, hardness, caliber, it is also possible to it disposably abandons afterwards.In addition, with Sealant layer in closing free end selects the epoxide resin material of high transparency, and it is corrosion-resistant that heatproof is water-fast, and metal plastic Property body of rod adhesive strength reach metal welding effect, effectively reduce optical fiber environmental stress caused by crazing phenomenon, extend use Service life, while meet the condition of repeated multiple times low-temperature plasma or ethylene oxide sterilizing.

Description of the drawings

Fig. 1 is the schematic diagram of the split type intubation optical wand of the utility model；

Fig. 2 is schematic diagram of the both ends of lamp guide after confining bed is closed；

Fig. 3 is the schematic diagram that the end face of the free end of lamp guide is made as to concave surface.

Specific embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that the utility model Limitation.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that Instruction implies relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.

Using rigid plastics optical fiber crazing phenomenon light decay even sandwich layer is caused to break to overcome in existing optical wand manufacturing technology It splits, front end is unclosed, closing material and effect are indefinite, and sterilizing level requirement is not achieved, it is difficult to it guards against cross infection, this practicality A kind of making solution of integrated split type intubation optical wand of new offer, using high power laser diode do light source and Flexible plastic optical fiber makes to highlight as light-conductive optic fibre with epoxy resin dispensing sealing technique and plastic optical fiber dough made with boiling water extrusion die Even heat is distributed after optical wand forward end seal, can be dismantled and be used the body of rod of different length hardness and diameter instead to adapt to different cases The needs of trachea cannula, can be abandoned after it is disposable, can also sterilization repeatedly.

Specifically, Fig. 1 is a specific embodiment according to made of the principle of the utility model, referring to Fig. 1, the utility model Split type intubation optical wand include light source box 100 and lamp guide 200, light source box 100 include shell 110, inside shell 110 Light source 120 and the power supply 130 powered for light source 120, in the present embodiment, light source 120 is preferably realized using laser module, example Such as 100mW high power laser diodes, power supply 130 is preferably realized using lithium battery, chargeable.Light source box 100 is used for as leaded light Stick 200 provides light source, and lamp guide 200 is used to carry out leaded light to the light source 120 in light source box 100.Lamp guide 200 includes pre- moulding For the plasticity body of rod 201 of J-shaped and the soft optical fiber 202 inside the plasticity body of rod 201, the plasticity body of rod 201 is generally Made of metal, for example with 304 stainless steels, soft state or 6061-T6 aluminium alloys make entirely；Soft optical fiber 202 is high transparency Soft optical fiber, such as SOH-2.5 transparent flexible optical fiber, the sheaths including sandwich layer and cladding sandwich layer, wherein, sandwich layer uses fluorine Sandwich layer prepared by polyacetylene compound, sheaths use sheaths prepared by fluoroplastics, so that soft optical fiber is led as high transparency flexible plastic Light optical fiber.Light source is done using laser module, while front brightness is improved, light source is avoided and comes off risk.Optical fiber is by saturating The soft optical fiber for the high transparency that bright fluorine polyacetylene compound fibre core and fluoroplastics are formed effectively reduces the crazing phenomenon in optical fiber use, Improve service life.

For the ease of dismounting, shell 110 includes the cap body 111 connected by screw thread screwing type and main body 112, can conveniently tear open It unloads, in addition, waterproof washer can be added, further enhances leakproofness.In addition, it is additionally provided with to close or connect on shell 110 The switch 113 of power supply 130.

200 one end of lamp guide is fixedly connected with light source box 100 as light source inlet, compared with the another of light source inlet It holds and is used as free end, light is conducted through lamp guide 200 to the free end when light source 120 in light source box 100 shines.Wherein, lead The end face 203 of the free end of optical wand 200 is the concave surface of closing, which is to form concave surface by mold hot pressure, mould therein Dome-type stainless steel mould can be selected in tool.

Referring to Fig. 2, the concave surface of the free end of lamp guide 200 is externally provided with the sealant layer 204 for sealing, sealant layer 204 are sprayed by full-automatic non-contact injection dispenser, it is preferred that sealant layer 204 is realized using epoxide-resin glue.Together Sample, the end face 205 of the light source inlet of lamp guide 200 is externally provided with the second sealant layer 206 for sealing, second sealing Glue-line 206 is sprayed by full-automatic non-contact injection dispenser, it is preferred that the second sealant layer 206 uses epoxy resin Glue is realized.

Wherein, it is arranged to be fixedly connected between lamp guide 200 and cap body 111, the light source inlet of lamp guide 200 stretches into cap Inside body 111, and its gap between cap body 111 is filled by glue-line and bonded, so as to fulfill lamp guide 200 and light source box The accurate fixation between light source 120 in 100.The glue-line that acrylic acid structure can be used in glue-line therein is realized.

Lamp guide 200 is arranged with catheter positioning plug 207 by the one side of close to sources inlet, in the present embodiment, catheter positioning Plug 207 is pyramidal structure, and function is positioning tracheal catheter, prevents that optical wand metal front stretching catheter proximal end mouth causes during intubation Damage in addition, catheter positioning plug 207 has appropriate dampening range, can be slided, to adapt to different tracheal catheters on the body of rod Model.

The making of the split type intubation optical wand of the utility model can pass through procedure below：Process 1：Referring to Fig. 3, diameter 4cm hemisphere Type stainless steel mould 300 is heated up to 135 DEG C, and the end face of outer diameter 2.5mm lamp guides is placed on mold and carries out hot pressure formation concave surface, The free end of lamp guide forms concave surface through hot pressure, and light extraction is uniformly distributed in 2 cm range of diameter, and total amount of heat is constant, but center Temperature reduces, so as to reduce the possibility that mucous membrane is burnt；Process 2：With full-automatic non-contact injection dispenser to plasticity The both ends of the body of rod carry out epoxy resin spraying closing, realize that heatproof is water-fast corrosion-resistant, can meet repeated multiple times low-temperature plasma or The condition of ethylene oxide sterilizing；Process 3：The plasticity body of rod is accurately fixed with cap body with epoxy resin, cap body and main body are removable Connection is unloaded, therefore the plasticity body of rod of lamp guide is separated with light source box, is conveniently replaceable the plasticity body of rod of different length, caliber 201, it is also disposable.

More specifically, specific make of split type intubation optical wand can pass through step in detailed below：First, optical fiber cutter is used Diameter 2.5mm flexible plastic optical fiber 489mm are cut, optical fiber with vertical fixed system is fixed, it is hemispherical not to would be embedded with diameter 4mm Rust steel mold is heated to 120-140 DEG C（Such as 135 DEG C）Hot pressure is carried out to one side end face of optical fiber afterwards, the one side of hot pressure is front end （Free end）, another side is tail end（Light source inlet）, without hot pressure processing.Transparent epoxy resin is spread evenly across optical fiber table The plasticity body of rod of 304 stainless steels of 490mm long outer diameter 4mm internal diameters 2.8mm soft state entirely, the tail end of the plasticity body of rod are penetrated behind face Outer surface length 4cm scopes carry out mild abrasion processing with diamond dust, and optical fiber rear and front end respectively has with plasticity body of rod port The distance of 0.5mm, 2 it is small when after epoxy resin cure, plasticity lever front end is fixed on upwardly full-automatic non-contact injection On dispenser, the accurate spraying of 3D circular arcs is carried out to front end optical fiber concave surface with high-strength transparence quick-dry type epoxy resin, using successively Method, one layer was sprayed every 15 minutes, and sealant layer is made per bondline thickness 0.1mm, total bondline thickness 0.4mm；Tail end optical fiber is then Using plane, successively glue spraying is closed, and the second sealant layer is made in bondline thickness 0.5mm；

Secondly, 24 it is small when after, the second sealant layer of the sealant layer of the concave surface of guide-lighting nose and the plane of tail end is complete After all solidstate, the plasticity body of rod is pierced into cap body depth 3.3cm, plasticity bar is filled with ergo1309 strengths acrylic acid structure glue Gap between body and cap body, carry out gluing, 24 it is small when after structure glue be fully cured；

Again, connected between cap body and main body by screw thread screwing type, detachably, waterproof washer can be set, be in housing Power is the laser module of 100mW, and postposition continues 18650 type 4800mAh3.7V lithium battery power supplies, and the switch of tail end is push type Switch.The rear end of the plasticity body of rod（At the position of cap body）It is cased with 9*15*20mm slidably silica gel catheter limit plugs.

Existing optical wand optical fiber selection is mostly rigid plastics optical fiber, should in inherent strain and environment as usage time increases Under power double action, optical fiber gradually generates crazing, and crazing is that plastic optical fiber the major reason that optical attenuation is even broken occurs.Together When, existing optical wand front end（Free end）Sealing technique is mostly plane closing or convex closing, during light source luminescent, it will cause light The front end heat of stick is concentrated, 1cm distant places spot diameter 1.5cm, up to 55 DEG C in test center's point temperature 2 minutes.This practicality is new In type, the free end of lamp guide forms concave surface after hot pressure, and free end is closed by epoxy resin injection, and light source inlet is straight Connect using epoxy resin carry out plane spraying closing, that is to say, that it is innovative by soft fiber optic applications in optical wand, substantially reduce Optical fiber crazing phenomenon occurs, while the end face of the free end of optical wand is made as being recessed inwardly（Towards to the inside of lamp guide being Inwardly）Concave surface, and using epoxy resin sealing, based on concavees lens principle of reflection, optical wand light extraction is made to be uniformly distributed at a distance in 1cm In the range of the hot spot of diameter 1.5cm, hot spot each point uniform heat distribution, test temperature 4- low compared with plane blocked center temperature 8℃。

Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details On the utility model can be made a variety of changes, be the scope of protection of the utility model.

Claims

1. split type intubation optical wand, it is characterised in that：Including being used to provide the light source box of light source and to the light source in light source box Guide-lighting lamp guide is carried out, described lamp guide one end is fixedly connected as light source inlet with light source box, is imported compared with light source The other end at end is as free end, and light is conducted through lamp guide to the free end during light source luminescent in light source box；Wherein, it is described The end face of the free end of lamp guide is the concave surface of closing.

2. split type intubation optical wand according to claim 1, it is characterised in that：The lamp guide includes being shaped as J-shaped in advance The plasticity body of rod and the soft optical fiber inside the plasticity body of rod.

3. split type intubation optical wand according to claim 2, it is characterised in that：The soft optical fiber includes sandwich layer and bag The sheaths of sandwich layer are covered, wherein, sandwich layer uses sandwich layer prepared by fluorine polyacetylene compound, and sheaths use sheaths prepared by fluoroplastics.

4. the split type intubation optical wand according to claim 1 or 2 or 3, it is characterised in that：The free end of the lamp guide Concave surface is externally provided with the sealant layer for sealing.

5. split type intubation optical wand according to claim 4, it is characterised in that：The sealant layer uses epoxide-resin glue It realizes.

6. the split type intubation optical wand according to claim 1 or 2 or 3, it is characterised in that：The light source of the lamp guide imports The end face at end is externally provided with the second sealant layer for sealing.

7. the split type intubation optical wand according to claim 1 or 2 or 3, it is characterised in that：The light source box include shell, Light source arranged on enclosure and the power supply for light source power supply；The shell include the cap body connected by screw thread screwing type with Main body.

8. split type intubation optical wand according to claim 7, it is characterised in that：It is arranged between the lamp guide and cap body It is fixedly connected, the light source inlet of lamp guide is stretched into inside cap body, and its gap between cap body is filled by strength glue-line It bonds.

9. the split type intubation optical wand according to claim 1 or 2 or 3, it is characterised in that：The lamp guide is led by close to sources Enter to hold one side to be arranged with catheter positioning plug.

10. the split type intubation optical wand according to claim 1 or 2 or 3, it is characterised in that：The free end of the lamp guide Concave surface be to form concave surface by mold hot pressure.