CN109528236A - The injection device of intravascular ultrasound catheter - Google Patents

The injection device of intravascular ultrasound catheter Download PDF

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Publication number
CN109528236A
CN109528236A CN201811650249.1A CN201811650249A CN109528236A CN 109528236 A CN109528236 A CN 109528236A CN 201811650249 A CN201811650249 A CN 201811650249A CN 109528236 A CN109528236 A CN 109528236A
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CN
China
Prior art keywords
tube
injection
transmission shaft
sheath
casing
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Granted
Application number
CN201811650249.1A
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Chinese (zh)
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CN109528236B (en
Inventor
蔡杰
刘艳菊
郑欲晓
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.)
Shenzhen Beixin Life Technology Co.,Ltd.
Original Assignee
Shenzhen Insight Lifetech 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.)
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Publication date
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Priority to CN201811650249.1A priority Critical patent/CN109528236B/en
Publication of CN109528236A publication Critical patent/CN109528236A/en
Application granted granted Critical
Publication of CN109528236B publication Critical patent/CN109528236B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device

Abstract

Present disclose provides a kind of injection devices of intravascular ultrasound catheter, it is that there is sheath and can be in the injection device of the ultrasound catheter of the transmission shaft of sheath in-pipe, it is characterized in that, it include: tube body, one end is connect with sheath, and the other end opens wide, and transmission shaft runs through tube body along the length direction of tube body, in tube body, it is provided with the matched sealing ring of outer diameter of internal diameter and transmission shaft, and transmission shaft can be mobile relative to sealing ring;And moving portion, there is the casing for accommodating transmission shaft, casing can be mobile relative to tube body, scale is additionally provided on casing, wherein the tube body between sealing ring and sheath is provided with inlet.According to the disclosure, the injection risk in interventional procedure can be reduced.

Description

The injection device of intravascular ultrasound catheter
Technical field
This disclosure relates to intravascular ultrasound catheter field, in particular to a kind of injection device of intravascular ultrasound catheter.
Background technique
IVUS system full name intravascular ultrasound imaging system.Trans-radial or femoral artery puncture, IVUS conduit be pushed to Vascular lesion region.The tube core of IVUS conduit can be by the miniature ultrasonic transducer of tube core front end to blood vessel pipe during withdrawing Chamber and tube wall section structure information carry out ultrasonic imaging.IVUS conduit needs to use injection from hole of fetching water before entering in human body The bubble in IVUS conduit is discharged, so that miniature ultrasonic transducer is completely in by liquid in device saline injection in conduit In the environment of cladding, be conducive to the accuracy for improving measurement in this way.The injection device of IVUS conduit mainly by water filling part and can Movable part composition, is printed on graduated scale on moveable part tube wall.
However, requirement of the existing IVUS injection device to the ink used as scale is high, because of the physiology salt of injection Water needs the conduit by being printed on graduated scale, and physiological saline is directly connected to the interior environment of human body.In addition, in existing design, Moveable part can generate partial pressure when moving, increase the risk generated in surgical procedure.
Summary of the invention
The disclosure in view of the above-mentioned prior art situation and complete, can reduce its purpose is to provide one kind and perform the operation The injection device of the intravascular ultrasound catheter of injection risk in journey.
It is with sheath and can be in the sheath for this purpose, the disclosure provides a kind of injection device of intravascular ultrasound catheter The injection device of the ultrasound catheter of the transmission shaft of interior movement characterized by comprising tube body, one end are connect with the sheath, The other end opens wide, and the transmission shaft runs through the tube body along the length direction of the tube body, in the tube body, setting There is the matched sealing ring of outer diameter of internal diameter Yu the transmission shaft, and the transmission shaft can be mobile relative to the sealing ring;With And moving portion, there is the casing for accommodating the transmission shaft, described sleeve pipe can be mobile relative to the tube body, in described sleeve pipe It is additionally provided with scale, wherein the tube body between the sealing ring and the sheath is provided with inlet.
In the disclosure, medical staff etc. can be injected by the inlet of the injection device into intravascular ultrasound catheter Physiological saline carrys out air in discharge conduit with this, and sealing ring can stop physiological saline to enter moving portion, and therefore, moving portion can To be not involved in the injection process of physiological saline, so as to avoid the contact with vivo environment, thereby, it is possible to reduce intervention to perform the operation Injection risk in journey.
In addition, optionally, the internal diameter of the tube body is greater than the outer of described sleeve pipe in the injection device involved in the disclosure Diameter.As a result, tube body can containment sheath it is mobile in the inside of tube body.
In addition, optionally, the tube body is gradually reduced with internal diameter to the sheath in the injection device involved in the disclosure The outer diameter mode of pipe is connect with the sheath.Thereby, it is possible to reduce tube body and the fracture of sheath junction.
In addition, optionally, the tube body is integrally formed and is formed in the injection device involved in the disclosure.As a result, can Enough improve the stability of tube body.
In addition, optionally, the tube body has the position for limiting the moving portion in the injection device involved in the disclosure The limiting section set.Thereby, it is possible to limit the moving distance of moving portion.
In addition, optionally, the limiting section is made of the sealing ring in the injection device involved in the disclosure.By This, sealing ring can limit the movement of moving portion.
In addition, optionally, the transmission shaft has the length in the tube body in the injection device involved in the disclosure The rigid pipe of the tube body can be run through on direction.Thereby, it is possible to improve the reliability of transmission shaft.
In addition, in the injection device involved in the disclosure, optionally, in the moving portion, the internal diameter of described sleeve pipe Greater than the outer diameter of the transmission shaft.Thereby, it is possible to allow transmission shaft to move in casing.
In addition, optionally, at least part of described sleeve pipe is arranged described in the injection device involved in the disclosure Between transmission shaft and the tube body.In this case, can blocking by tube body, to the scale on casing carry out observation and Thus record obtains the mobile distance of casing.
In addition, optionally, the rigid pipe and the transmission shaft are via welding in the injection device involved in the disclosure Connection.Rigid pipe can be closely attached with transmission shaft as a result,.
According to the disclosure, it is capable of providing a kind of intravascular ultrasound that can reduce the injection risk in interventional procedure and leads The injection device of pipe.
Detailed description of the invention
Fig. 1 is to show the perspective view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure.
Fig. 2 is to show the side view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure.
Fig. 3 is to show the top view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure.
Fig. 4 is to show the sectional view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure.
Fig. 5 is to show the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure to withdraw state Sectional view.
Label declaration:
1 ... injection device, 11 ... sealing rings, 12 ... inlets, 20 ... moving portions, 21 ... casings, 30 ... sheaths, 40 ... pass Moving axis.
Specific embodiment
In the following, illustrating the disclosure in further detail in conjunction with the drawings and specific embodiments.In the accompanying drawings, identical portion Part or component with the same function use identical sign flag, omit the repeated explanation to it.
Fig. 1 is to show the perspective view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure. Fig. 2 is to show the side view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure.
Embodiment of the present disclosure is related to the injection device 1 of intravascular ultrasound catheter, specifically, being with 30 He of sheath The injection device 1 of the ultrasound catheter for the transmission shaft 40 that can be moved in sheath 30.The injection device 1 includes: tube body 10, one end It being connect with sheath 30, the other end opens wide, and transmission shaft 40 runs through tube body along the length direction of tube body, in tube body, setting There is the matched sealing ring 11 of outer diameter of internal diameter Yu transmission shaft 40, and transmission shaft 40 can be mobile relative to sealing ring 11;And it moves Dynamic portion 20 has the casing 21 for accommodating transmission shaft 40, and casing 21 can be mobile relative to tube body, and quarter is additionally provided on casing 21 Degree, wherein the tube body between sealing ring 11 and sheath 30 is provided with inlet 12.
In this case, medical staff can be infused by the inlet 12 of injection device 1 into intravascular ultrasound catheter Enter physiological saline and air in discharge conduit is come with this, and sealing ring 11 can stop physiological saline to enter moving portion 20, therefore, move Dynamic portion 20 can be not involved in the injection process of physiological saline, and so as to avoid the contact with vivo environment, thereby, it is possible to reduce to be situated between Enter the injection risk during operation.
In the present embodiment, intravascular ultrasound catheter can be used in such as human vas lesion region (such as Stenosis area) carry out ultrasonic imaging purposes.Doctor etc. can be by sending such intravascular ultrasound catheter to human vas Lesion region (such as stenosis), and the ultrasonic imaging when withdrawing to the lesion region, to obtain the intravascular super of the region Sound shadow picture.
In some instances, sheath 30 can also have the distal portions of separate tube body 10 and the close end close to tube body 10 Point.In other examples, the distal portions of sheath 30 can be made of the lower material of sound impedance.Thereby, it is possible to be convenient for The ultrasonic wave that ultrasonic transducer is issued penetrates.In other examples, the proximal part of sheath 30 can be biggish by rigidity Material is made.Thereby, it is possible to improve the stability of proximal part, convenient for operation.In other examples, the rigidity of sheath 30 can To be gradually increased by distal portions to proximal part.In this case, the rigidity of sheath 30 can uniformly increase, and reduce and occur A possibility that fractureing.
In some instances, sheath 30 can be by least one of rubber-plastics material, resin or their composite material material Material is made.Specifically, in some instances, sheath 30 can be by being selected from ethylene-vinyl acetate copolymer (EVA), polyethers ether At least one of ketone, polyethylene, linear low density polyethylene material is made.
In some instances, transmission shaft 40 may include spring.Thereby, it is possible to make transmission shaft 40 be rotated, be bent Deng operation.In some instances, transmission shaft 40 can have the rigid pipe that can run through tube body 10 on the length direction of tube body 10 41 (referring to Fig. 5).Thereby, it is possible to improve the reliability of transmission shaft 40.
In some instances, rigid pipe 41 can have the clamping mechanism with spring cooperation, so that spring can be with rigidity Pipe mechanical connection.In other examples, rigid pipe 41 and transmission shaft 40 can be via welded connectings.As a result, rigid pipe 41 with Transmission shaft 40 can be closely attached.
In addition, in some instances, the tie point of rigid pipe 41 and transmission shaft 40 can be set in sealing ring 11 and sheath Between 30.Thereby, it is possible to improve the rigidity of moving portion 20.
In other examples, rigid pipe 41 can be steel pipe.But present embodiment is without being limited thereto, and rigid pipe 41 can be with For tube body made of iron, aluminium or alloy material.Thereby, it is possible to improve the stability of transmission shaft 40.
Fig. 3 is to show the top view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure. Fig. 4 is to show the sectional view of the injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure.Fig. 5 is to show The injection device of intravascular ultrasound catheter involved in embodiment of the present disclosure withdraws state profile.
As shown in figure 3, in some instances, inlet 12 can be set in the periphery of tube body 10, wherein inlet 12 It is communicated with the inside of tube body 10.Thereby, it is possible to pass through 12 injecting fluid of inlet.In some instances, inlet 12 can be set Set the tube body between sealing ring 11 and sheath 30.In some instances, inlet 12 can be in infundibulate and to tube body 10 Outside is prominent.Thereby, it is possible to match with injector for medical purpose.In other examples, inlet 12 can cylindrical, prism Shape or other irregular shapes.In addition, in some instances, inlet 12 can be the opening on tube body 10.Thereby, it is possible to make Make simple injection device 1.
It in some instances, can be to 12 saline injection of inlet.In this case, intravascular ultrasound catheter energy Enough by saline injection, the air in the tube is exhausted, avoids phenomena such as blood back flow occurs.It, can be in other examples To the glucose solution of the injection of inlet 12 5%.Further, it is also possible to inject amino acid, vitamin solution etc. to inlet 12.
In some instances, tube body 10 can be by least one of rubber-plastics material, resin or their composite material material Material is made.Specifically, in some instances, tube body 10 can selected from ethylene-vinyl acetate copolymer (EVA), polyether-ether-ketone, At least one of polyethylene, linear low density polyethylene material is made.In addition, in some instances, tube body 10 can be by Glass is made.
In some instances, tube body 10, which can be, is in the form of a column.In other examples, tube body 10 can cylindrical, rib Column or other irregular shapes.
In some instances, the internal diameter of tube body 10 can be greater than the outer diameter of casing 21.Tube body 10 is set to accommodate set as a result, Pipe 21 is mobile in the inside of tube body 10.
In some instances, it is connect in a manner of the outer diameter that tube body 10 can be gradually reduced by internal diameter to sheath 30 with sheath 30. Thereby, it is possible to reduce tube body 10 and the fracture of 30 junction of sheath.In other examples, tube body 10 can be in by contracting Shape and the size for being reduced to sheath 30.Tube body 10 can be attached with sheath 30 just as a result,.
In some instances, tube body 10 can be integrally formed and be formed.Thereby, it is possible to improve the stability of tube body 10.? In other examples, tube body 10 can be integrally formed with sheath 30.Thereby, it is possible to improve the stabilization of intravascular ultrasound catheter entirety Property.
As shown in figure 4, in some instances, the sealing ring 11 of tube body 10 can be set in the inside of tube body 10.This In the case of, sealing ring 11 being capable of space in completely isolated tube body 10.In some instances, sealing ring 11, which can have, to make The through-hole that transmission shaft 40 passes through.Thereby, it is possible to guarantee the withdrawal of transmission shaft 40 while ensuring airtightness.Show some In example, in the inside of tube body 10, it is also provided with the groove of configuration sealing ring 11.
As shown in figure 5, in some instances, tube body 10 has the limiting section of the position of limitation moving portion 20.Thereby, it is possible to Limit the moving distance of moving portion 20.In some instances, limiting section is made of sealing ring 11.Sealing ring 11 can limit as a result, The movement of moving portion 20 processed.In other examples, distance that the limiting section of tube body 10 can be withdrawn with limiting boot 21.It is specific and Speech, tube body 10 can be provided with the protrusion being arranged along internal diameter direction in the distalmost end far from sheath 30, also, casing 21 has The protrusion matched with protrusion.In this case, limiting section can the distance that withdraws of limiting boot 21, avoid casing 21 complete It is detached from tube body 10.
In addition, in some instances, casing 21 can be in by contracting shape.Specifically, casing 21 can be by close to sheath 30 Proximal part be gradually reduced from far from the distal portions of sheath 30.Thereby, it is possible to make the limiting section of casing 21 Yu tube body 10 It matches.
In some instances, in moving portion 20, the internal diameter of casing 21 is greater than the outer diameter of transmission shaft 40.Thereby, it is possible to permit Perhaps transmission shaft 40 moves in casing 21.In some instances, casing 21, which can be, is in the form of a column.In other examples, casing 21 can cylindrical, prism-shaped or other irregular shapes.
In some instances, at least part of casing 21 is arranged between transmission shaft 40 and tube body 10.In such case Under, can blocking by tube body 10, the scale on casing 21 is observed and is recorded, thus obtain casing 21 it is mobile away from From.
In some instances, the length of the part between transmission shaft 40 and tube body 10 is arranged in not less than 15 lis in casing 21 Rice.Thereby, it is possible to ensure that the distance that withdraws of intravascular ultrasound catheter meets common intervention operation requirement.In other examples In, the length for the part of casing 21 being arranged between transmission shaft 40 and tube body 10 can be such as 15 centimetres, 16 centimetres, 17 lis Rice, 18 centimetres.Thereby, it is possible to ensure casing 21 in the front portion for withdrawing completion between transmission shaft 40 and tube body 10.
In some instances, scale can be printed on by ink on casing 21.Specifically, in some instances, oil Ink can possess bio-compatibility.In general, injection device 1 should not use the ink refined from animal in intervention operation Or the ink containing phthalate.
In some instances, the scale on casing 21 can be using millimeter as unit.In other examples, on casing 21 Scale can also be using centimetre as unit.In this case, medical staff etc. can pass through the scale on confirmation casing 21 Distance is withdrawn confirm ultrasound catheter.In addition, in some instances, the scale on casing 21 can be uniformly.Another In a little examples, the scale on casing 21 can also be heterogeneous.Specifically, the scale spacing on casing 21 can be by separate The distal portions of sheath 30 are gradually reduced from the proximal part close to sheath 30.Thereby, it is possible to improve the effect for withdrawing distance observation Rate.
In some instances, casing 21 can be by least one of rubber-plastics material, resin or their composite material Material is made.Specifically, in some instances, casing 21 can be selected from ethylene-vinyl acetate copolymer (EVA), polyethers At least one of ether ketone, polyethylene, linear low density polyethylene material is made.In addition, in some instances, tube body 10 can be with It is made of glass.Present embodiment is without being limited thereto, and casing 21 can be made of metal.Thus, it is possible to improve the stabilization of casing 21 Property.
In some instances, casing 21 can also have and the interconnecting piece that withdraws device and be connected.Thereby, it is possible to withdraw Device is attached.Wherein, interconnecting piece can be integrally formed with casing 21.In other examples, the outer diameter of interconnecting piece can be with Greater than the outer diameter of casing 21.Thereby, it is possible to be convenient for and withdraw device to connect.
Although being illustrated in conjunction with the accompanying drawings and embodiments to the disclosure above, it will be appreciated that above description The disclosure is not limited in any form.Those skilled in the art can without departing from the connotation and range of the disclosure To be deformed and be changed to the disclosure as needed, these deformations and variation are each fallen in the scope of the present disclosure.

Claims (10)

  1. It is there is sheath and can be in the super of the transmission shaft of the sheath in-pipe 1. a kind of injection device of intravascular ultrasound catheter The injection device of acoustic conducting pipe, which is characterized in that
    Include:
    Tube body, one end are connect with the sheath, and the other end opens wide, and the transmission shaft is along the length direction of the tube body Through the tube body, in the tube body, it is provided with the matched sealing ring of outer diameter of internal diameter Yu the transmission shaft, and the biography Moving axis can be mobile relative to the sealing ring;And
    Moving portion has the casing for accommodating the transmission shaft, and described sleeve pipe can be mobile relative to the tube body, in described sleeve pipe On be additionally provided with scale,
    Wherein, the tube body between the sealing ring and the sheath, is provided with inlet.
  2. 2. injection device according to claim 1, which is characterized in that
    The internal diameter of the tube body is greater than the outer diameter of described sleeve pipe.
  3. 3. injection device according to claim 1 or 2, which is characterized in that
    The tube body is connect in a manner of the outer diameter that internal diameter is gradually reduced to the sheath with the sheath.
  4. 4. injection device according to claim 1 or 2, which is characterized in that
    The tube body is integrally formed and is formed.
  5. 5. injection device according to claim 1, which is characterized in that
    The tube body has the limiting section for the position for limiting the moving portion.
  6. 6. injection device according to claim 5, which is characterized in that
    The limiting section is made of the sealing ring.
  7. 7. injection device according to claim 2, which is characterized in that
    The transmission shaft has the rigid pipe that can run through the tube body on the length direction of the tube body.
  8. 8. injection device according to claim 1, which is characterized in that
    In the moving portion, the internal diameter of described sleeve pipe is greater than the outer diameter of the transmission shaft.
  9. 9. injection device according to claim 1, which is characterized in that
    At least part of described sleeve pipe is arranged between the transmission shaft and the tube body.
  10. 10. injection device according to claim 3, which is characterized in that
    The rigid pipe and the transmission shaft are via welded connecting.
CN201811650249.1A 2018-12-31 2018-12-31 Injection device of intravascular ultrasound catheter Active CN109528236B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811650249.1A CN109528236B (en) 2018-12-31 2018-12-31 Injection device of intravascular ultrasound catheter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010576997.0A CN111588411B (en) 2018-12-31 2018-12-31 Injection device with injection port
CN201811650249.1A CN109528236B (en) 2018-12-31 2018-12-31 Injection device of intravascular ultrasound catheter

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CN109528236A true CN109528236A (en) 2019-03-29
CN109528236B CN109528236B (en) 2020-07-21

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CN201811650249.1A Active CN109528236B (en) 2018-12-31 2018-12-31 Injection device of intravascular ultrasound catheter

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015107833A1 (en) * 2014-01-16 2015-07-23 テルモ株式会社 Diagnostic imaging catheter
CN105943091A (en) * 2016-06-01 2016-09-21 南京法迈特科技发展有限公司 Endoscopic biopsy apparatus
US20170333001A1 (en) * 2016-05-20 2017-11-23 Terumo Kabushiki Kaisha Diagnostic imaging catheter
CN108175447A (en) * 2018-01-24 2018-06-19 深圳市凯思特医疗科技股份有限公司 Target angiography catheter and its therapy
CN109661250A (en) * 2016-07-03 2019-04-19 西纳塞弗医疗有限公司 For treating the medical device and its application method of nasal sinus and/or ear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3763978B2 (en) * 1998-09-14 2006-04-05 テルモ株式会社 Ultrasound catheter
WO2014188509A1 (en) * 2013-05-21 2014-11-27 テルモ株式会社 Catheter
JP2015066036A (en) * 2013-09-27 2015-04-13 テルモ株式会社 Imaging diagnosis catheter
JP6753924B2 (en) * 2016-03-22 2020-09-09 テルモ株式会社 Catheter and diagnostic imaging equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015107833A1 (en) * 2014-01-16 2015-07-23 テルモ株式会社 Diagnostic imaging catheter
US20170333001A1 (en) * 2016-05-20 2017-11-23 Terumo Kabushiki Kaisha Diagnostic imaging catheter
CN105943091A (en) * 2016-06-01 2016-09-21 南京法迈特科技发展有限公司 Endoscopic biopsy apparatus
CN109661250A (en) * 2016-07-03 2019-04-19 西纳塞弗医疗有限公司 For treating the medical device and its application method of nasal sinus and/or ear
CN108175447A (en) * 2018-01-24 2018-06-19 深圳市凯思特医疗科技股份有限公司 Target angiography catheter and its therapy

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CN109528236B (en) 2020-07-21
CN111588411A (en) 2020-08-28
CN111588411B (en) 2021-08-17

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Address after: Area E, 3 / F, building 3, Tingwei Industrial Park, No.6 Liufang Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province

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Address before: Area E, 3 / F, building 3, Tingwei Industrial Park, No.6 Liufang Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province

Patentee before: INSIGHT LIFETECH Co.,Ltd. (SHENZHEN )

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