CN207462056U - Fiber spinning formula OCT catheter interfaces - Google Patents

Abstract

A kind of fiber spinning formula OCT catheter interfaces, it is characterized in that it is mainly by outer card body（1）, O-ring（2）, interior card body（3）And dustproof cover（4）Composition, dustproof cover（4）Spinning is in outer card body（1）On, O-ring（2）It is sleeved on interior card body（3）Endless belt（301）On, interior card body（3）O-ring is installed（2）One end and outer card body（1）Internal hollow positioning column（101）It offsets, the outer of the other end（302）With outer card body（1）Large end face（106）It is in contact, outer card body（1）Tooth is turned by the wild card in big end（102）Make interior card body while being connected with the interface clamping docked in fiber spinning formula OCT equipment（3）Realization is connected with the rotation driving body in the interface, interior card body（3）The high speed rotation under the drive of rotation driving body, drive are fixed on interior card body（3）In optical fiber gland（5）High speed rotation.The utility model is simple in structure, and connection is reliable, and it is convenient to replace.The SC heads of especially fixed optical fiber are simple and reliable by elastic card claw realization axial and circumferential positioning using column construction.

Description

Fiber spinning formula OCT catheter interfaces

Technical field

The utility model is related to a kind of medical examination apparatus, especially a kind of angiographic diagnosis technology, specifically A kind of fiber spinning formula OCT catheter interfaces.

Background technology

Intravascular computed tomography (SPECT) system cooperation imaging catheter is designed for the imaging to the blood vessel of diameter ＞ 1.5mm, realizes Accurate measurement to lumen diameter, area, the imaging to vascular wall and blood vessel implant structure, and then distinguish patch property and For blood vessel implant（Stent, filter, spring ring etc.）Evaluation.

Intravascular computed tomography (SPECT) system is based on intravascular optical coherence tomography（Optical Coherence Tomography, OCT）The system of technology combination imaging catheter, OCT technology are used as after intravascular ultrasound（Intravascular Ultrasound, IVUS）Imaging technique in a kind of new coronary artery occurred afterwards, compared with IVUS, resolution ratio high OCT Make it in evaluation vulnerable plaque, instruct stenter to implant, especially in acute coronary syndrome（Acute Coronary Syndrome, ACS）Application in diagnosis and treatment is of increasing concern.

2011, American Society of Cardiology/American Heart Association（ACCF/AHA）To IVUS in Percutantnoeus coronary intervention guide In percutaneous coronary intervention (pci)（Percutaneous Coronary Intervention, PCI）Recommendation of middle application etc. Grade is IIa, and to the recommendation grade of OCT because evidence-based medical deficiency is not yet established.2012, CLI-OPCI research shows that, Compared with the PCI treatments of simple radiography guidance, the PCI treatments under OCT guidances can significantly improve patient's prognosis.Then, 2013 Year European Society of Cardiology is about in Stable coronary heart disease administration guide, and OCT is for assessment lesion characteristics and optimization stenter to implant Process is classified as IIb grades of recommendations（Level of evidence is B grades）, overall evidence level is equal to IVUS.2014, heart of Europe disease Meeting/Europe cardiothoracic surgery association（ESC/EACTS）In myocardium revascularization guide, OCT promotes the recommendation grade for optimizing PCI Recommend to the IIa grades being equal with IVUS.The ILUMIEN I that deliver for 2015 are research shows that PCI is preoperative and/or postoperative row OCT inspections The strategies of interventional treatment of patient can be influenced by looking into.ILUMIEN II results of study show that OCT is not inferior in terms of stent expansion is instructed IVUS.With the continuous renewal of OCT technologies and the announcement of more perspective study data, OCT is led in coronary intervention Status in domain will further be promoted.

Fibre-optic catheter as one of OCT technology key is the key that connection OCT equipment and optical fiber, is to ensure OCT equipment The necessary guarantee of normal operation, the optical fiber of traditional OCT equipment are to drive rotation, this driving by a transmission device Mode causes system structure complicated, and driving error is big, and volume is big, and control is complicated and noise is larger, it is necessary to be improved.

Utility model content

The purpose of this utility model is to be directed to the optical fiber of existing OCT equipment by transmission device drive rotation, there is knot The problems such as structure is complicated, error is big, high noise, design is a kind of can be by fiber spinning formula OCT that core motor directly drives with leading Interface tube.

The technical solution of the utility model is：

A kind of fiber spinning formula OCT catheter interfaces, it is characterized in that it is mainly by outer card body 1, O-ring 2,3 and of interior card body Dustproof cover 4 forms, and on outer card body 1, O-ring 2 is sleeved on the endless belt 301 of interior card body 34 spinning of dustproof cover, and interior card body 3 is pacified One end equipped with O-ring 2 offsets with the hollow positioning column 101 inside outer card body 1, and the outer 302 of the other end is big with outer card body 1 End face 106 is in contact, and outer card body 1 turns the interface card that tooth 102 docks in fiber spinning formula OCT equipment by the wild card in big end The interior realization of card body 3 is made to be connected with the rotation driving body in the interface while connecing connected, interior card body 3 is in the band of rotation driving body Dynamic lower high speed rotation, drives 5 high speed rotation of optical fiber gland being fixed in interior card body 3, the positioning of the optical fiber gland 5 Part sets that there are one the structure to center indent, the concave inward structures for polyhedron column construction on two opposite positioning surfaces Elastic card body 313 with carrying evagination in interior card body 3 matches, while by the polyhedron column construction of optical fiber gland 5, real Axial and circumferential positioning of the existing optical fiber gland 5 in interior card body 1, ensures that optical fiber gland cannot carry out axial direction in interior card body It moves and circumferentially rotates.

The position portion of the optical fiber gland 5 is tetrahedron column construction, on the tetrahedron column construction Equipped with anti-skidding stupefied item.

The lower end of the close O-ring of the elastic card body 313 forms the folder of a 10-15 degree with interior card body axial line Angle, optimum angle are 11 degree.

One end of the outer card body 1 is equipped with turns tooth 102 for connecting the connected wild card of clamping with OCT equipment, outside The centre position of card body 1, which is equipped with, to prevent from inserting and the positioning retainer ring 103 using hand-held, the other end of outer card body 1 are connected with Hollow out tail pipe 105, hollow out tail pipe 105, which extends to, forms hollow positioning column 101 inside wild card body.

The other end of the outer card body 1 is equipped with non-slip groove 104.

The hollow out tail pipe 105 forms engraved structure by the slot at 90 degree of intervals.

The interior card body 3 is clamped by symmetrical two parts, and one side of card body is equipped with chucking hook 303 in every half, Another side is equipped with card slot 304.

One side of card body is equipped with positioning tooth 305 in described every half, and another side is equipped with positioning tooth socket 306 to prevent interior card Axile displacement after body buckle.

Dustproof cover 4, which is equipped with, to be turned the axial socket 402 of the insertion of tooth 102 for the wild card on outer card body 1 and prevents wild card from turning tooth 102 The positioning card 401 of dustproof cover is detached from, being equipped in its outer surface makes in hand-held axial groove 403.

The beneficial effects of the utility model：

（1）The rotation control of intravascular computed tomography (SPECT) system employs a kind of active fiber spinning connection method, passes through Optical fiber to be coupled is directly respectively arranged to the fixing end and revolving hollow spindle of core motor, enormously simplifies fiber spinning company The structure of connection device, and original fiber spinning mode is directly driven from passively becoming by core motor, it eliminates additional Transmission device makes system structure simpler and eliminates driving error, and the more optimization of fixing fabric structure, noise substantially reduces.

（2）The connection of intravascular tomography catheter uses the guide coupling with the optical fiber that can be located by connecting, so as to It realizes quick, the accurate and firm connection of optical fiber between imaging catheter and tomoscan instrument, realizes rotary imaging catheter.

（3）Blood vessel faultage image medium vessels can be realized by employing the blood vessel Automatic-searching method based on image procossing Automatic, the accurate searching of inner wall edge.After computed tomography (SPECT) system is imaged blood vessel in the blood vessels, one it is very important should With being the internal diameter and size that obtain blood vessel, and according to obtained normal blood vessels internal diameter and size and abnormal vascular（It is main If for problem narrow caused by vascular lesion）Internal diameter and size are compared, obtain abnormal vascular with it is normal The ratio of vessel diameter variation.Therefore, how effectively, automatically and accurately the edge for finding internal blood vessel is to realize the function Basis.

The utility model is simple in structure, and connection is reliable, and it is convenient to replace.Especially the fixation of optical fiber gland uses cylindricality knot Structure realizes that axial and circumferential position by elastic card claw, simple and reliable.

Description of the drawings

Fig. 1 is the internal structure schematic diagram of the utility model.

Fig. 2 is the outline structural diagram of the utility model.

Fig. 3 is the structure diagram of the outer card body of the utility model.

Fig. 4 is the positive structure diagram of the dustproof cover of the utility model.

Fig. 5 is the schematic cross-sectional view of the dustproof cover of the utility model.

Fig. 6 is the outline structural diagram of the interior card body of the utility model.

Fig. 7 is the dimensional decomposition structure diagram of the interior card body of the utility model.

Fig. 8 is the internal structure schematic diagram of the interior card body of the utility model.

Fig. 9 is that this hair is that bright SC heads position schematic diagram in interior card body.

Figure 10 is the structure diagram that technique is cheated on the interior card body of the utility model.

404 install positioning convex platform for interior card body in figure, and 405 sectional view for 402 positioning cards, 310 be optical fiber gland 5 The positioning card column of length direction.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples.

As Figure 1-10 shows.

A kind of fiber spinning formula OCT catheter interfaces, it is mainly by 4 groups of outer card body 1, O-ring 2, interior card body 3 and dustproof cover Into as shown in Figs. 1-2,4 spinning of dustproof cover is on outer card body 1, and O-ring 2 is sleeved on the endless belt 301 of interior card body 3, interior card body 3 are equipped with one end of O-ring 2 and the hollow positioning column 101 inside outer card body 1 offsets, the outer 302 of the other end and outer card body 1 Large end face 106 be in contact, such as Fig. 3, outer card body 1 by the wild card in big end turn tooth 102 with it is right in fiber spinning formula OCT equipment The interface clamping connect makes the interior realization of card body 3 be connected with the rotation driving body in the interface while being connected, interior card body 3 is rotating High speed rotation under the drive of driving body drives 5 high speed rotation of optical fiber gland being fixed in interior card body 3（Fig. 9）, the light The position portion of fine gland 5 is polyhedron column construction, preferably tetrahedron column construction, in the tetrahedron cylindricality knot Each face of structure be equipped with anti-skidding stupefied item, set on two opposite positioning surfaces there are one to center indent structure, the indent Structure 501 matches, while with carrying the elastic card body 313 of evagination in interior card body 3 by the polyhedron cylindricality of optical fiber gland 5 Positioning card column 310 inside structure and interior card body is realized axial and circumferential positioning of the optical fiber gland 5 in interior card body 3, is protected Card optical fiber gland cannot be moved axially and be circumferentially rotated in interior card body.The close O-ring of the elastic card body 313 Lower end and interior card body axial line form the angle of a 10-15 degree, optimum angle is 11 degree.

One end of the outer card body 1 is equipped with turns tooth 102 for connecting the connected wild card of clamping with OCT equipment, outside The centre position of card body 1, which is equipped with, to prevent from inserting and the positioning retainer ring 103 using hand-held, the other end of outer card body 1 are connected with Hollow out tail pipe 105, hollow out tail pipe 105, which extends to, forms hollow positioning column 101 inside wild card body.The outer card body 1 it is another End is equipped with non-slip groove 104.As shown in Fig. 2, the hollow out tail pipe 105 forms hollow out knot by the slot at 90 degree of intervals Structure, such as Fig. 3.The interior card body 3 is clamped by symmetrical two parts, and as shown in Figure 6,7, one side of card body is set in every half There is chucking hook 303, another side is equipped with card slot 304.One side of card body is equipped with positioning tooth 305 in described every half, and another side is set There is positioning tooth socket 306 to prevent axile displacement after interior card body buckle.Dustproof cover 4 is slotting equipped with tooth 102 is turned for the wild card on outer card body 1 The axial socket 402 entered and the positioning card 401 for preventing wild card from turning the disengaging dustproof cover of tooth 102, being equipped in its outer surface makes in hand-held Axial groove 403, as shown in Figure 4,5.

Details are as follows：

The conduit of the utility model is by dustproof cover 4, interior card body 3（By card convex body 308 in card concave volume 307 in conduit and conduit Two parts form, such as Fig. 1）, o types circle 2, outer card body 1 form, as shown in Figure 1.Appearance is as shown in Figure 2：Overall appearance is by dustproof cover 4th, outer card body 1 is formed.The LOGO that 4 front of dustproof cover is shown as company writes a Chinese character in simplified form, and edge is wide zigzag, is conduit wild card below Body, the wild card of outer card body turn tooth and wrapped up by dustproof cover, is that the circular collar of positioning, anti-skidding raised channel, tail portion are engraved down Empty tail pipe etc..

The main function of dustproof cover 4（Such as Fig. 4,5）：

1st, dust-proof, the cavity of conduit lid sealing duct after packaging is taken out plays dustproof effect.

2nd, it protects, either during shop assembled, enclosed packaging or storage transhipment and use in hospital, Dustproof cover can prevent internal element falling, protect internal vulnerable component, ensure the safety integrity of conduit.

The specification of dustproof cover：As Figure 1 and Figure 4.In Fig. 1 shown in installation is complete, interior fastener plane can be slightly Interference, O-ring 2 deforms under pressure when dustproof cover 4 pushes, and plays the role of " spring ".It is as shown in Figure 1, anti- Dirt lid is pressed onto after position, rotates dustproof cover, and positioning groove can block wild card and turn tooth, prevent from coming off.

The effect of outer card body：

1st, protective effect.Internal component is protected during production, packaging, transport, storage, use.

2nd, handheld component.Handheld component of the wild card as operation Shi doctor, inserts the catheter into intervention by capturing wild card and sets It is standby.

3rd, recognition reaction is connected.Intervening equipment is inserted on outer card body head in use, and is identified by equipment.Identify it Subsequent intervention operation can be just carried out afterwards.

4th, connection function.Wild card tail portion needs the buckle pipe of connecting conduit.

The specification of wild card（Such as Fig. 2-3）：

1st, wild card turns tooth 102.Conduit rotates clockwise certain angle after being inserted into equipment, and wild card turns tooth rotation and stirs and set at this time It is standby to switch by machine recognition, while the positioning card of equipment（It is similar with dustproof cover）It blocks wild card and turns tooth.Therefore wild card turns tooth and plays Two effects：It is fixed, identified.

2nd, positioning retainer ring 103.For conduit when being inserted into equipment, positioning retainer ring is both hand-held stop portions（Before preventing finger It is sliding）, and be the limit part being inserted into（Define that conduit is inserted into the distance of equipment）.

3rd, non-slip groove 104.Handgrip part when non-slip groove is operation, concave-convex groove increase the friction of hand Power facilitates finger manipulation.

4th, hollow out tail pipe 105.Tail pipe has done hollow processing facing with what side view was respectively separated.It was produced in this way in conduit Not only the bonding with bayonet tube had been facilitated in journey, but also in operation carries out, be free to be bent, be conveniently operated.

The effect and specification of interior card（Fig. 6-10）：

First, the effect of interior card

1st, 5 Fig. 9 of installation protection optical fiber gland is that the diagram after the interior size for blocking installation optical fiber gland and installation is said Bright, Fig. 8 is internal structure schematic diagram.

2nd, it connect with the moving component of equipment and after motion conduit is inserted into equipment together, when wild card is identified, equipment can be from Block in dynamic connection and prompt whether successful connection, can carry out next step operation after successful connection.

2nd, the specification of interior card

1st, as shown in Figure 6,7, interior card body is the structure design of mutual clamping, wherein chucking hook by interior card concave-convex-piece clamping, Engagement prevents from misplacing after card clamping including positioning tooth.

2nd, as shown in fig. 6, endless belt 301 is designed for mounting O-shaped rings in Fig. 6, O-ring size：Internal diameter × line footpath：4×2.5 Millimeter.

3rd, as shown in Figure 10, figure pits 309 be die feeding mouth dent design, the design can product stripping it After avoid feed inlet flash protrude product surface.

It is same as the prior art or the prior art can be used realized that the utility model is not directed to part.

Claims (10)

1. a kind of fiber spinning formula OCT catheter interfaces, it is characterized in that it is mainly by outer card body（1）, O-ring（2）, interior card body （3）And dustproof cover（4）Composition, dustproof cover（4）Spinning is in outer card body（1）On, O-ring（2）It is sleeved on interior card body（3）Endless belt （301）On, interior card body（3）O-ring is installed（2）One end and outer card body（1）Internal hollow positioning column（101）It offsets, separately The outer of one end（302）With outer card body（1）Large end face（106）It is in contact, outer card body（1）Tooth is turned by the wild card in big end （102）Make interior card body while being connected with the interface clamping docked in fiber spinning formula OCT equipment（3）In realization and the interface Rotation driving body be connected, interior card body（3）The high speed rotation under the drive of rotation driving body, drive are fixed on interior card body（3）In Optical fiber gland（5）High speed rotation, the optical fiber gland（5）Position portion for polyhedron column construction, opposite Two positioning surfaces on set that there are one the structure to center indent, the concave inward structure and interior card bodies（3）In carry evagination elasticity Card body（313）Match, while by optical fiber gland（5）Polyhedron column construction, realize optical fiber gland（5）Block inside Body（3）In axial and circumferential positioning, ensure optical fiber gland cannot move axially and circumferentially rotate in interior card body.

2. fiber spinning formula OCT catheter interfaces according to claim 1, it is characterized in that the optical fiber gland（5） Position portion for tetrahedron column construction, anti-skidding stupefied item is equipped on the tetrahedron column construction.

3. fiber spinning formula OCT catheter interfaces according to claim 1, it is characterized in that the elastic card body（313） Lower end and the interior card body axial line of close O-ring form the angle of a 10-15 degree.

4. fiber spinning formula OCT catheter interfaces according to claim 3, it is characterized in that the elastic card body（313） Lower end and the interior card body axial line of close O-ring form one 11 degree of angle.

5. fiber spinning formula OCT catheter interfaces according to claim 1, it is characterized in that the outer card body（1）One End is equipped with turns tooth for connecting the connected wild card of clamping with OCT equipment（102）, in outer card body（1）Centre position be equipped with it is anti- Only cross the positioning retainer ring inserted and using hand-held（103）, outer card body（1）The other end be connected with hollow out tail pipe（105）, hollow out Tail pipe（105）It extends to and hollow positioning column is formed inside wild card body（101）.

6. fiber spinning formula OCT catheter interfaces according to claim 5, it is characterized in that the outer card body（1）It is another One end is equipped with non-slip groove（104）.

7. fiber spinning formula OCT catheter interfaces according to claim 5, it is characterized in that the hollow out tail pipe（105） Engraved structure is formed by the slot at 90 degree of intervals.

8. fiber spinning formula OCT catheter interfaces according to claim 1, it is characterized in that the interior card body（3）By right Two parts of title are clamped, and one side of card body is equipped with chucking hook in every half（303）, another side is equipped with card slot（304）.

9. fiber spinning formula OCT catheter interfaces according to claim 8, it is characterized in that card body in described every half It is equipped with positioning tooth on one side（305）, another side is equipped with positioning tooth socket（306）To prevent axile displacement after interior card body is buckled.

10. fiber spinning formula OCT catheter interfaces according to claim 1, it is characterized in that dustproof cover（4）Equipped with for wild card Body（1）On wild card turn tooth（102）The axial socket of insertion（402）With prevent wild card from turning tooth（102）It is detached from the positioning of dustproof cover Card（401）, being equipped in its outer surface makes in hand-held axial groove（403）.