CN103257053A - Self-deformation multi-axial puncture device - Google Patents
Self-deformation multi-axial puncture device Download PDFInfo
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- CN103257053A CN103257053A CN2012100352603A CN201210035260A CN103257053A CN 103257053 A CN103257053 A CN 103257053A CN 2012100352603 A CN2012100352603 A CN 2012100352603A CN 201210035260 A CN201210035260 A CN 201210035260A CN 103257053 A CN103257053 A CN 103257053A
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- puncture
- sleeve pipe
- puncture needle
- arc
- needle sleeve
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Abstract
The invention relates to a self-deformation multi-axial puncture device. The puncture device is prepared by shape memory alloy, and is composed of a puncture needle sleeve and a corresponding arc puncture needle core, wherein a part of the sleeve at a front section can be changed into an arc shape when a temperature reaches a transformation temperature. The front section of the puncture needle sleeve is in a shape of straight sleeve (1) outside a machine under a high or low temperature far different from a machine temperature, and then is changed to be arc-shaped (5) when the sleeve is in the machine for a while and a temperature of the sleeve is near the machine temperature. A front end of the puncture needle sleeve is provided with a side hole (2) opened towards an inner arc direction of the arc shape turned in a later stage. The puncture needle sleeve at a rear end of the side hole is a circular pipe. A needle point (4) towards axial front of the sleeve is provided at top of the sleeve and on a sleeve wall in front of the side hole. A sleeve wall opposite to the side hole of the puncture needle sleeve is in a mutually smooth connection with edges of the side hole, and forms an arc inclined plane (3) bending towards an opening direction in the puncture needle sleeve. A front end of the arc puncture needle core of the self-deformation multi-axial puncture device is provided with a inclined hole (7) opened towards an outer arc direction of the arc puncture needle core.
Description
Technical field
The present invention relates to the multiaxis of distortion certainly that a kind of deformable puncture needle sleeve pipe of being made by marmem and arc puncture nook closing member form to puncture outfit, utilize this puncture outfit can by puncture channel realize arbitrary axis to operation, reduce damage, increase puncture efficient, can be used for detecting sampling in the object.
Background technology
Present puncture technique is difficult to realize turning to of puncture, in case depart from objectives, just needs secondary and even repeatedly puncture again, and the operation of a plurality of targets point-blank must repeatedly not punctured yet, and has increased damage, loses time.
Summary of the invention
In order to overcome existing puncture technique problem in stays, the invention provides a kind of from being out of shape multiaxis to puncture outfit, the technical solution adopted for the present invention to solve the technical problems is: can vary with temperature the characteristics that its shape can change when reaching specific transformation temperature according to memorial alloy, design a kind of multiaxis of distortion certainly of memorial alloy making to puncture outfit, this puncture outfit is made up of puncture needle sleeve pipe and corresponding arc puncture nook closing member, one section sleeve pipe of the forward end 1～2cm of puncture needle sleeve pipe can vary with temperature and become arc, transformation temperature difference when being out of shape according to the puncture needle sleeve pipe is divided into cold-hot distortion puncture outfit and heat-cold deformation puncture outfit two classes.Puncture needle sleeve pipe front end is the side opening to the inner arc direction opening of sleeve pipe arc-shaped bend, the puncture needle sleeve pipe of side opening tail end is pipe, the mutual smooth connection of tube wall and side opening limit of puncture needle sleeve pipe side opening offside, and in the puncture needle sleeve pipe, form curve slope to the opening direction bending.The place ahead tube wall of Puncture needle sleeve tube opening forms one towards quill needle point forwards.The front end of arc puncture nook closing member is the diagonal cut joint to the outer arc direction of needle tubing arc.
The transformation temperature of cold-hot distortion puncture outfit is any one temperature (preferred 0 ℃～30 ℃) that is lower than organism temperature (＜37 ℃), every when being lower than transformation temperature, the puncture needle sleeve pipe linear state of cold-hot distortion puncture outfit, every when being higher than transformation temperature, the puncture needle sleeve pipe of cold-hot distortion puncture outfit then becomes arc-shaped bend.The transformation temperature of heat-cold deformation puncture outfit is any one temperature (preferred 50 ℃～60 ℃) that is higher than organism temperature (＞37 ℃), every puncture needle sleeve pipe linear state of heat-cold deformation puncture outfit when being higher than transformation temperature, every when being lower than transformation temperature the puncture needle sleeve pipe of heat-cold deformation puncture outfit then become arc-shaped bend.
The distortion multiaxis is as follows to the principle of work of puncture outfit:
One, cold-hot distortion puncture outfit: be calcining back quenching strengthening under greater than the high temperature of 400 ℃ martensite phase transformation, the puncture needle sleeve pipe that to form forward end 1～2cm be arc-shaped bend.Be processed into straight line needle tubing shape and be kept at low-temperature condition to the puncture needle sleeve pipe of puncture outfit one section needle tubing near the far-end side opening by the moulding multiaxis that will be out of shape certainly of external force being lower than transformation temperature then, the puncture needle sleeve pipe keeps the straight tube shape, do not influence puncture accuracy, can not increase damage yet.After arriving target, puncture in body, stops slightly, then progressively rise to the bend pipe shape that is higher than the arc-shaped bend that becomes automatically behind the transformation temperature (as 30 ℃) from being out of shape the temperature of multiaxis to the puncture needle sleeve pipe of puncture outfit, at this moment promote the puncture nook closing member forward, then the puncture nook closing member of arc-shaped bend relies on turning to that self arc elasticity can realize puncturing under the puncture needle sleeve pipe guiding of bending.After operation is finished, inject cold water or cold air from the puncture outfit proximal openings, make and be cooled to be lower than below the transformation temperature from being out of shape multiaxis to puncture outfit, puncture needle sleeve pipe from from the distortion multiaxis to puncture outfit recovers to become rectilinear form again and can extract smoothly, or stay to turn in the object and carry out another direction operation again, so can operate the arbitrfary point on the three-dimensional of puncture outfit the place ahead.
Two, heat-cold deformation puncture outfit: puncture outfit calcining back quenching strengthening under greater than the high temperature of 400 ℃ martensite phase transformation forms from being out of shape multiaxis to the shape of the straight line sleeve pipe of puncture needle sleeve pipe in being higher than the above temperature environment of transformation temperature of puncture outfit.Change over shape into arc-shaped bend to puncture outfit puncture needle sleeve pipe being lower than under the transformation temperature (for example 45 ℃) by the moulding multiaxis that will be out of shape certainly of external force.Every transformation temperature that is higher than is the staight needle pipe from being out of shape the puncture needle sleeve pipe answer of multiaxis to it then, and all environment that is lower than transformation temperature that is in become the arc-shaped bend shape again from being out of shape the puncture needle sleeve pipe of multiaxis to puncture outfit.
In sum, the puncture needle sleeve pipe of cold-hot distortion puncture outfit and heat-cold deformation puncture outfit all is to present linear state under the external high temperature that departs from organism temperature or low temperature, and becomes the arc-shaped bend shape from being out of shape the puncture needle sleeve pipe of multiaxis to puncture outfit when having arrived in the body near organism temperature.
The invention has the beneficial effects as follows: utilize marmem in transformation temperature difform variation up and down, design special puncture outfit shape and realize that puncture turns to, thereby reduce damage, increase puncture efficient.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 (departs under the high temperature or low temperature of organism temperature) synoptic diagram that presents straight line sleeve-shaped (1) from being out of shape one section sleeve pipe of multiaxis to the forward end 1～2cm of puncture needle sleeve pipe of puncture outfit outside body, the opening of puncture needle sleeve pipe front end is the side opening (2) of the arc inner arc direction opening when turning in the future, and the tube wall of side opening rear end puncture needle sleeve pipe is pipe.Sleeve pipe foremost, the tube wall in side opening the place ahead forms one towards quill needle point (4) forwards.The tube wall of puncture needle sleeve pipe side opening offside smoothly focuses on side opening foremost, and forms the curve slope (3) to the opening direction bending in the puncture needle sleeve pipe.Puncture needle sleeve pipe tail end is the opening (8) of pintle and tail end.
Fig. 2 is from being out of shape multiaxis becomes bend pipe shape (5) from arc-shaped bend to one section sleeve pipe of the forward end 1～2cm of puncture needle sleeve pipe of puncture outfit near organism temperature the time.
Fig. 3 is that a front end be the arc nook closing member of arc-shaped bend shape (6) for one section from being out of shape multiaxis to the puncture nook closing member of puncture outfit: the needle tubing front end of puncture nook closing member has the inclined hole (7) towards the outer arc direction opening of arc (among the figure downwards), and needle tubing also enters the inclined to one side side opening direction of puncture needle sleeve pipe far-end (right upper quadrant) by side opening (2) by the curve slope (3) that this diagonal cut joint (7) can slip over inboard, puncture needle sleeve pipe the place ahead smoothly.
Fig. 4 after the needle point (7) that is out of shape multiaxis nook closing member far-end (6) when working in vivo to puncture outfit passes the puncture needle sleeve pipe that has occured bending and deformation in vivo, the right upper quadrant that can enter the puncture needle sleeve pipe from the side opening in puncture needle sleeve pipe the place ahead smoothly along the curve slope (3) of puncture needle sleeve pipe front.
Among the figure: 1, be out of shape certainly multiaxis to one section sleeve pipe of the forward end 1～2cm of puncture needle sleeve pipe of puncture outfit in external straight tube shape; 2, the side opening of puncture needle sleeve pipe front end; 3, the curve slope tube wall of the side opening offside of puncture needle sleeve pipe front end; 4, the needle point of puncture needle sleeve pipe front end.5, one section sleeve pipe of the forward end 1～2cm of puncture needle sleeve pipe becomes the arc-shaped bend shape in vivo; 6, one section needle tubing of the puncture forward end of nook closing member is the arc-shaped bend shape; 7, the diagonal cut joint of puncture outfit nook closing member front end; 8, pintle and the opening of puncture needle sleeve pipe and puncture nook closing member tail end.
Embodiment
Embodiment 1: the multiaxis of distortion certainly that is the cold-hot distortion as shown in Figure 4 turns to the signal of (right upper quadrant) principle of work to puncture outfit to the front upper place: linear state when external temperature when the puncture needle sleeve pipe is lower than deformation temperature, arc nook closing member (6) is packed in the sleeve pipe and is punctured to target together from the puncture needle sleeve pipe tail end of linear state by elasticity extruding, fixing puncture needle sleeve pipe then, push ahead the puncture nook closing member, the opening inclined-plane (7) of nook closing member front end can slide along smooth side opening (2) direction to sleeve pipe of the curve slope tube wall (3) of sleeve pipe front end and pass.Progressively be elevated to transformation temperature when above when being out of shape multiaxis certainly to the puncture outfit temperature, the puncture needle sleeve pipe becomes the arc-shaped bend shape, at this moment fixing puncture needle sleeve pipe, continue to push ahead the puncture nook closing member, then the puncture nook closing member (6) of arc advances to the direction bending of puncture needle sleeve pipe side opening under puncture needle sleeve pipe (5) guiding that becomes arc, has realized turning to.The radian of arc-shaped bend helped smoothly to turn to smoothly when the arc-shaped bend of puncture needle sleeve pipe can reduce the turning of puncture nook closing member.Can inject cold water or cold air from the puncture outfit tail end after finishing the operation of this direction, puncture outfit is cooled to below the transformation temperature, the puncture needle sleeve pipe becomes the straight tube shape, and the nook closing member pumpback of will puncture more just can be extracted puncture outfit smoothly to the puncture needle sleeve pipe is interior.
Embodiment 2: if also have other directions to need operation after finishing the operation of front upper place direction, then can inject cold water or cold air from puncture outfit, puncture outfit is cooled to below the transformation temperature, the puncture needle sleeve pipe becomes the straight tube shape, again the pumpback of puncture nook closing member is arrived in the puncture needle sleeve pipe side opening, rotate the puncture needle sleeve pipe and operate to another direction.As in Fig. 5: puncture needle sleeve pipe Rotate 180 ° radian is operated to (right lower quadrant) to the front lower place.So rotate to 360 ° of not stalls from 0 ° and move the puncture needle sleeve pipe, just can realize the operation of any angle of 3 D stereo direction and any position.
Claims (6)
1. one kind is out of shape multiaxis certainly to puncture outfit, it is characterized in that: being out of shape multiaxis certainly is to be made by marmem to puncture outfit, this puncture outfit is made up of puncture needle sleeve pipe and corresponding arc puncture nook closing member, one section sleeve pipe of the forward end 1～2cm of puncture needle sleeve pipe can vary with temperature and become arc, transformation temperature difference when being out of shape according to the puncture needle sleeve pipe is divided into cold-hot distortion puncture outfit and heat-cold deformation puncture outfit two classes.
2. described from being out of shape multiaxis to puncture outfit according to claims 1, it is characterized in that: puncture needle sleeve pipe front end is the side opening (2) to the inner arc direction opening of sleeve pipe arc-shaped bend, the puncture needle sleeve pipe of side opening tail end is pipe, the mutual smooth connection of tube wall and side opening limit of puncture needle sleeve pipe side opening offside, and in the puncture needle sleeve pipe, form curve slope (3) to the opening direction bending.
3. described from being out of shape multiaxis to puncture outfit according to claims 1, it is characterized in that: the place ahead tube wall of Puncture needle sleeve tube opening forms one towards quill needle point (4) forwards.
4. described from being out of shape multiaxis to puncture outfit according to claims 1, it is characterized in that: the front end of arc puncture nook closing member is the diagonal cut joint (7) to the outer arc direction of needle tubing arc.
5. described from being out of shape multiaxis to puncture outfit according to claims 1, it is characterized in that: the transformation temperature of cold-hot distortion puncture outfit is any one temperature that is lower than organism temperature (＜37 ℃), every when being lower than transformation temperature, the puncture needle sleeve pipe linear state (1) of cold-hot distortion puncture outfit, every when being higher than transformation temperature, the puncture needle sleeve pipe of cold-hot distortion puncture outfit then becomes arc-shaped bend (5).
6. described from being out of shape multiaxis to puncture outfit according to claims 1, it is characterized in that: the transformation temperature of heat-cold deformation puncture outfit is any one temperature that is higher than organism temperature (＞37 ℃), every puncture needle sleeve pipe linear state of heat-cold deformation puncture outfit when being higher than transformation temperature, every when being lower than transformation temperature the puncture needle sleeve pipe of heat-cold deformation puncture outfit then become arc-shaped bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100352603A CN103257053A (en) | 2012-02-15 | 2012-02-15 | Self-deformation multi-axial puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100352603A CN103257053A (en) | 2012-02-15 | 2012-02-15 | Self-deformation multi-axial puncture device |
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| Publication Number | Publication Date |
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| CN103257053A true CN103257053A (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100352603A Pending CN103257053A (en) | 2012-02-15 | 2012-02-15 | Self-deformation multi-axial puncture device |
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| CN (1) | CN103257053A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136861A1 (en) * | 1991-11-11 | 1993-05-13 | Kernforschungsz Karlsruhe | Controllable surgical instrument within trocar for min. invasive surgery - has manipulating and insertion parts, flexible part connected to end of insertion part which is movable and controllable, and effector fitted to flexible part |
| US20030187397A1 (en) * | 2002-03-29 | 2003-10-02 | Dario Vitali | Trocar with a reinforced seal |
| US20060074439A1 (en) * | 2004-09-28 | 2006-04-06 | Garner Dean L | Fluid adjustable band |
| CN201085658Y (en) * | 2007-10-19 | 2008-07-16 | 张惠玲 | Injection trocar |
| US7766939B2 (en) * | 2002-03-14 | 2010-08-03 | Jeffrey Eric Yeung | Suture anchor and approximating device |
| CN101984922A (en) * | 2010-10-29 | 2011-03-16 | 刘苗生 | Multi-axial puncture instrument for internal deep tissues |
| CN202027613U (en) * | 2011-03-15 | 2011-11-09 | 浙江海洋学院 | Fork-shaped puncturing sleeve needle |
| CN102247196A (en) * | 2010-05-20 | 2011-11-23 | 浙江海洋学院 | Puncture trocar |
| CN202086545U (en) * | 2011-05-31 | 2011-12-28 | 浙江海洋学院 | Puncture needle cannula with opposite openings |
-
2012
- 2012-02-15 CN CN2012100352603A patent/CN103257053A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136861A1 (en) * | 1991-11-11 | 1993-05-13 | Kernforschungsz Karlsruhe | Controllable surgical instrument within trocar for min. invasive surgery - has manipulating and insertion parts, flexible part connected to end of insertion part which is movable and controllable, and effector fitted to flexible part |
| US7766939B2 (en) * | 2002-03-14 | 2010-08-03 | Jeffrey Eric Yeung | Suture anchor and approximating device |
| US20030187397A1 (en) * | 2002-03-29 | 2003-10-02 | Dario Vitali | Trocar with a reinforced seal |
| US20060074439A1 (en) * | 2004-09-28 | 2006-04-06 | Garner Dean L | Fluid adjustable band |
| CN1765338B (en) * | 2004-09-28 | 2010-04-14 | 伊西康内外科公司 | An improved fluid adjustable band |
| CN201085658Y (en) * | 2007-10-19 | 2008-07-16 | 张惠玲 | Injection trocar |
| CN102247196A (en) * | 2010-05-20 | 2011-11-23 | 浙江海洋学院 | Puncture trocar |
| CN101984922A (en) * | 2010-10-29 | 2011-03-16 | 刘苗生 | Multi-axial puncture instrument for internal deep tissues |
| CN202027613U (en) * | 2011-03-15 | 2011-11-09 | 浙江海洋学院 | Fork-shaped puncturing sleeve needle |
| CN202086545U (en) * | 2011-05-31 | 2011-12-28 | 浙江海洋学院 | Puncture needle cannula with opposite openings |
Non-Patent Citations (1)
| Title |
|---|
| 王丹丹: "镍钛形状记忆合金静动态力学性能的实验研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》, no. 6, 15 June 2010 (2010-06-15), pages 022 - 7 * |
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Application publication date: 20130821 |