CN102791318A

CN102791318A - Catheter

Info

Publication number: CN102791318A
Application number: CN2011800070935A
Authority: CN
Inventors: 森谦二
Original assignee: Japan Lifeline Co Ltd
Current assignee: Japan Lifeline Co Ltd
Priority date: 2010-03-30
Filing date: 2011-03-18
Publication date: 2012-11-21
Anticipated expiration: 2031-03-18
Also published as: CN102791318B; WO2011121931A3; TWI450740B; HK1176321A1; TW201200183A; JP4679666B1; KR101246970B1; JP2011206268A; KR20120096946A; WO2011121931A2

Abstract

The disclosed catheter is equipped with: a tubular member (4); a leaf spring (30) that is provided to the inner part of the tubular member (4) such that at least part of the side edges (30e, 30f) that run along the axial direction of the tubular member (4) are embedded in the tubular member (4); and multiple tubes (41-46), which each form multiple paths (31-36) that are each provided to a first region (20A) on one main surface (30a) of the leaf spring (30) and to a second region (20B) on the other main surface (30b) of the leaf spring (30) in the inner part of the tubular member (4) and which include paths (31, 32) for operating wires to pass through. In addition, in the first region (20A) and in the second region (20B), some tubes (43-46) are provided such that said tubes are in contact with the main surfaces (30a, 30b) of the leaf spring (30).

Description

Probe

Technical field

The present invention relates to probe.More specifically, the present invention relates to through operative configuration, thereby can easily change the probe that inserts near the direction the endoceliac amphi position end in the distolateral operating portion of external peri position.

Background technology

For being inserted into the inner probes such as electrode catheter of heart through blood vessel, be installed in the operating portion of the peri position end that is disposed at external probe (terminal or side) at hand through operation, make the direction deflection of the amphi position end (front end) that inserts intravital probe.Mechanism as the amphi position end deflection that is used to make probe; For example in patent documentation 1, disclose following structure; Tinsel is used in they two operations that possess leaf spring and be disposed at the both sides of leaf spring across leaf spring, makes amphi position end to both direction deflection through pull operation with tinsel.Make under the situation of amphi position end deflection using leaf spring, can improve the flatness of the bending section of probe.

Patent documentation: TOHKEMY 2008-245766 communique

In the probe that in the past possesses leaf spring, in tubular part and be connected with leaf spring along inserting with state freely in the axially extended tube chamber of probe.In addition, the peri position end of leaf spring waits through bonding and is fixed in tubular part etc.In such formation, when pull operation makes leaf spring crooked with tinsel etc., the amphi position end that is considered to leaf spring has the probability of reversing with respect to tubular part.Therefore, in probe in the past, there is the leeway of improving torsional rigid.

Summary of the invention

The present invention makes in view of such problem, and its purpose is to provide a kind of technology that can further improve the torsional rigid of the probe that possesses leaf spring.

A kind of mode of the present invention is a probe.This probe is characterised in that to possess: tubular part; Leaf spring, its mode that is embedded in tubular part with at least a portion along the end of the axial side of tubular part is arranged on the inside of tubular part; A plurality of paths, they are in the inside of tubular part, be arranged at respectively leaf spring a main surface side first area and leaf spring another main surface side second area and comprise that operation inserts general path with tinsel.

According to this form, can further improve the torsional rigid of the probe that possesses leaf spring.

In the probe of above-mentioned form, the end of leaf spring can be embedded in tubular part in axial whole zone.In addition, this probe possesses a plurality of pipe portion that is used for forming respectively a plurality of paths, and in first area and second area, at least a portion pipe portion in a plurality of pipe portion can be set to contact with the first type surface of leaf spring.

In addition; In the probe of above-mentioned form; A plurality of pipe portion comprises that at least two pipe portions and operation insert general pipe portion with tinsel; In first area and second area, a plurality of pipe portion can contact with the first type surface of leaf spring with two pipe portions, and operation inserts general pipe portion with tinsel and the isolating mode of leaf spring is provided with.In addition, in first area and second area, two pipe portions also can be across the centrage setting along the axial leaf spring of probe, and operation is inserted general pipe portion with tinsel and can be arranged between two pipe portions.

In addition, in first area and second area, operation is inserted general pipe portion with tinsel can be external with two pipe portions, and it is to connect in the circular at center that a plurality of pipe portion is configured to respectively with central shaft with probe each other.In addition; In first area and second area; Two pipe portions also can be provided with being separated from each other; At least one side of first area and second area, and inserting in general pipe portion and the leaf spring area surrounded with tinsel, can insert the parts of the bendability that is used to regulate probe by two pipe portions, operation.In addition, possess a plurality of electrodes, in a plurality of paths, insert at least a portion path the general path with tinsel, insert and be connected with the lead that a plurality of electrodes are used except that operation in the amphi position end zone.

In addition, with the suitable probe that combines of above-mentioned each key element, also can be included in according to present patent application and require in the scope of invention of protection of patent.

According to the present invention, can further improve the torsional rigid of the probe that has possessed leaf spring.

Description of drawings

Fig. 1 is the summary side elevation of the related probe of embodiment 1.

Fig. 2 is the approximate vertical view of the related probe of embodiment 1.

Fig. 3 is the general profile chart on the A-A line of Fig. 1.

Fig. 4 is the approximate three-dimensional map of the section on the B-B line of Fig. 2.

Fig. 5 is the cutaway view on the C-C line of Fig. 1.

Fig. 6 is the general profile chart that is used to explain the configuration of pipe.

The specific embodiment

Below, with reference to accompanying drawing embodiment of the present invention is described.In addition, in whole accompanying drawings, the symbol identical to identical element labelling, and in following explanation suitable detailed.

(embodiment 1)

Embodiment 1 related probe is meant the electrode catheter that can carry out front end deflection operation, for example can be used in the diagnosis or the treatment of the arrhythmia of heart.Fig. 1 is the summary side elevation of the related probe of embodiment 1, and Fig. 2 is the probability vertical view of the related probe of embodiment 1.Fig. 3 is the general profile chart on the A-A line of Fig. 1.In addition, in Fig. 3, omit leaf spring 30 and operation diagram with

tinsel

50a, 50b.

Like Fig. 1 and shown in Figure 2, embodiment 1 related probe 2 possesses: tubular part 4, handle 6, front-end chip electrode 10 and a plurality of ring electrode 12a ~ 12k (below, aptly ring electrode 12a ~ 12k is generically and collectively referred to as " ring electrode 12 ").

Probe 2 has front-end chip electrode 10 and ring electrode 12 in the amphi position end of tubular part 4.Front-end chip electrode 10 for example utilizes binding agent or fusion joint etc. to be fixed in tubular part 4.In addition, ring electrode 12a ~ 12k for example is fixed in the outer peripheral face of tubular part 4 through the riveted joint diameter metal ring bigger than the external diameter of tubular part 4.The quantity of ring electrode 12 limits especially, can suitably set according to inserting to lead in the quantity of the lead of tubular part 4 etc.

Peri position end at tubular part 4 is equipped with handle 6.The holding part 7 of the deflection operation (swinging operation) of the leading section that is used to carry out tubular part 4 is installed on handle 6 in addition.Constitute operating portion by handle 6 and holding part 7.

As shown in Figure 3, tubular part 4 is made up of urceolus 4a with single cavity configuration and the intraluminal inner core 4b with receiving space 20 that is arranged at urceolus 4a.Inner core 4b extends in the regulation zone that the amphi position end from urceolus 4a begins.In addition, the outer peripheral face of the inner peripheral surface of urceolus 4a and inner core 4b is fixing closely each other.Fixing of urceolus 4a and inner core 4b can be used bonding, melt methods such as deposited.As after state, in receiving space 20, be provided with leaf spring and a plurality of path (Fig. 3 only illustrates path 31,32 (pipe 41,42)) (with reference to Fig. 4 and Fig. 5).Tubular part 4 is preferably higher relatively with near the flexibility the amphi position end, near the relatively low mode of flexibility the peri position end constitutes.For example, tubular part 4 has the structure that parts I, parts II and parts III are engaged, parts I wherein, and it is disposed at the distolateral and Shore D level hardness of amphi position is 20 ~ 63; The parts II, the peri position of itself and parts I is distolateral be adjacent to configuration and Shore D level hardness be 45 ~ 72 and flexibility lower than parts I; The parts III, the peri position of itself and parts II is distolateral be adjacent to configuration and Shore D level hardness be 55 ~ 80 and flexibility lower than parts II.In addition, for tubular part 4, urceolus 4a and inner core 4b also can adopt the structure of one.In addition, the urceolus 4a of tubular part 4 also can be a multiple structure.

The major part of tubular part 4 for example is made up of synthetic resin such as polyolefin, polyamide, polyethers polyamide and polyurethane.The external diameter of tubular part 4 generally is about 0.6 ~ 3mm, length is about 500 ~ 1200mm.In this embodiment, the external diameter of tubular part 4 is about 2.0mm, and length is about 1170mm.

Front-end chip electrode 10 and ring electrode 12 for example are made up of electric conductivity good metal such as aluminum, copper, rustless steel, gold and platinum.In addition, in order to have good radiography property for X ray, front-end chip electrode 10 and ring electrode 12 preferably are made up of platinum or its alloy.The external diameter of front-end chip electrode 10 and ring electrode 12 does not limit especially, yet is preferably the external diameter that has same degree with the external diameter of tubular part 4, is about 0.5 ~ 3mm usually.

Fig. 4 is the approximate three-dimensional map of the section on the B-B line of Fig. 2.Fig. 5 is the cutaway view on the C-C line of Fig. 1.Like Fig. 4 and shown in Figure 5, the probe 2 of this embodiment possesses leaf spring 30 and a plurality of

path

31,32,33,34,35,36 in the inside of tubular part 4.

In this embodiment, in receiving space 20, contain leaf spring 30.Leaf spring 30 is the axially extended plate bodys along tubular part 4, has axially extended two first type surface 30a along

tubular part

4,30b and along axially extended two side 30c, the 30d of tubular part 4.In addition, for leaf spring 30, its amphi position end extends near the amphi position end of tubular part 4, and its peri position end begins to extend to the distance of regulation from the amphi position end of tubular part 4.Wherein, leaf spring 30 is to be arranged in the receiving space 20 along the end 30e of the axial both sides of tubular part 4 and the mode that end 30f imbeds tubular part 4 (inner core 4b).Thus, receiving space 20 is divided into two zones.That is, receiving space 20 is divided into: the second area 20B of another first type surface 30b side of the first area 20A of a first type surface 30a side of leaf spring 30 and leaf spring 30.

Wherein, Above-mentioned " end 30e and end 30f imbed tubular part 4 (inner core 4b) " is meant; The zone that contacts with this

side

30c, 30d of the axially extended side 30c along tubular part 4 in the

leaf spring

30,30d and two

first type surface

30a, 30b contacts with tubular part 4.In this embodiment, the both ends 30e of

leaf spring

30,30f contact with the inwall of inner core 4b in axial whole zone.Thus, because leaf spring 30 becomes the state that is limited to tubular part 4 in length range, so leaf spring 30 the reversing that can produce can be limited in operating operation with tinsel the time with respect to tubular part 4.Its result can improve the torsional rigid of probe 2, and further improves the flatness of the bending section of probe 2.In addition, the scope that exists of leaf spring 30 can suitably be set according to the length of the bending area of probe 2 etc.

First area 20A and second area 20B being divided by leaf spring 30 are respectively equipped with a plurality of paths.In this embodiment, 20A is provided with

path

31,33,34 in the first area, is provided with

path

32,35,36 at second area 20B.The path 32 that is arranged at the path 31 of first area 20A and is arranged at second area 20B is inserted general path as operation with tinsel respectively and is used.In addition; The

path

35,36 that is arranged at the

path

33,34 of first area 20A and is arranged at second area 20B; Use as being used for inserting the path that leads to a plurality of leads, a plurality of leads begin to extend and be electrically connected with front-end chip electrode 10 and ring electrode 12 from handle 6.

A plurality of paths 31 ~ 36 are formed by a plurality of

pipes

41,42,43,44,45,46 (pipe portion) respectively.That is, in this embodiment, a plurality of pipes 41 ~ 46 with hollow space are contained in the receiving space 20, and the hollow space of a plurality of pipe 41 ~ 46 becomes path 31 ~ 36 respectively.Pipe 41,42 is equivalent to operation respectively with the slotting general pipe of tinsel portion.The internal diameter of the

pipe

41,42 of this embodiment, being the diameter of

path

31,32, for example being about 0.34mm, the internal diameter of pipe 43 ~ 46, is the diameter of path 33 ~ 36, for example is about 0.45mm.

In pipe 41, can insert slidably to be connected with to operate and use tinsel 50a, in pipe 42, can insert slidably to be connected with to operate and use tinsel 50b.At the amphi position end of operation, be formed with the diameter ratio that is positioned at pipe 41 and operate with the globular fixed part of the big part of tinsel 50a (anchor) 52a with tinsel 50a.Being formed with the diameter that is positioned at pipe 42 in operation too with the amphi position end of tinsel 50b compares and operates with the globular fixed part 52b of the big part of tinsel 50b.Be formed with recess 11 in the inboard of front end chip electrode 10, be filled with scolding tin 62 in this recess 11.Fixed

part

52a, 52b imbed scolding tin 62.Thus, operation is fixing with respect to scolding tin 62 and front-end chip electrode 10 with

tinsel

50a, 50b, thereby is connected with near the of amphi position end of tubular part 4.

In addition, operation is connected with Fig. 1 and holding part 7 shown in Figure 2 with the peri position end of tinsel 50a, 50b.Thus, come pull operation with

tinsel

50a, 50b, thereby the amphi position end of probe 2 is swung and deflection through application drawing 1 and holding part 7 shown in Figure 2.In this embodiment, the amphi position end that can make probe 2 through pull operation with tinsel 50a is to the deflection of the arrow D1 of Fig. 2 direction, and the amphi position end that can make probe 2 with tinsel 50b through pull operation is to the deflection of the arrow D2 of Fig. 2 direction.

In addition, through at the amphi position end of operating with

tinsel

50a, 50b fixed

part

52a, 52b being set like this, use

tinsel

50a, 50b to be difficult to extract from scolding tin 62 thereby can make to operate.Thus, can improve the reliability of the action of probe 2.In addition, in this embodiment, operation is fixed in front-end chip electrode 10 with

tinsel

50a, 50b, yet is not particularly limited in this, and for

tinsel

50a, 50b, its amphi position end also can be fixed in tubular part 4 etc. for operation.

In pipe 45, insert and to be connected with the front-end chip electrode that is electrically connected with front-end chip electrode 10 with lead 60.The front-end chip electrode is embedded in scolding tin 62 (not shown) with the amphi position end of lead 60.Thus, via scolding tin 62 the front-end chip electrode is electrically connected with front-end chip electrode 10 with lead 60.In addition, the front-end chip electrode also can be electrically connected with front-end chip electrode 10 through welding with the amphi position end of lead 60.In addition, in

pipe

43,44 and 46, insert with the state of mutually insulated and to be connected with a plurality of ring electrodes of being electrically connected with ring electrode 12 respectively with lead (not shown).Each ring electrode is with the amphi position end of lead, via

pipe

43,44,46 and be arranged at the pore of tubular part 4 and be electrically connected with each ring electrode 12.Each ring electrode is fixed in ring electrode 12 with the amphi position end of lead through scolding tin (not shown) or welding.

In this embodiment, pipe 41 is external in

pipe

43,44, and pipe 42 is external in pipe 45,46.In addition, each manage 41 ~ 46 be close to and be fixed in inner core 4b inner peripheral surface.Each manages 41 ~ 46 can use bonding, molten method such as deposited with inner core 4b fixing.In addition; In first area 20A and second area 20B, at least a portion pipe in a plurality of pipes, two

pipes

45,46 that refer to two of first area

20A side pipes

43,44 and second area 20B side here are set to contact with first type surface 30a, the 30b of leaf spring 30 respectively.Thus, because leaf spring 30 becomes by the

pipe

43,44 and the state of managing 45,46 clampings, so can limit the action of leaf spring 30 with respect to the torsional direction of tubular part 4.Therefore can further improve the torsional rigid of probe 2.

In addition, in first area 20A and second area 20B, operation inserts

general pipe

41,42 with tinsel and leaf spring 30 is provided with discretely.Therefore approaching situation is compared via leaf spring 30 with

pipe

41,42, can enough littler power come crooked leaf spring 30.Therefore can improve the operability of probe 2.

Pipe

41,42 for example is set to: its central shaft is positioned at the outside through the circle of managing 43,44,45,46 central shaft.

In addition, in this embodiment, in the 20A of first area, two

pipes

43,44 are across being provided with along the centrage of the axial leaf spring 30 of probe 2.Identical ground, in second area 20B, two

pipes

45,46 across along the centrage of the axial leaf spring 30 of probe 2 and be provided with.And, operation with tinsel insert general pipe 41 be arranged on two pipes 43, between 44, operation with tinsel insert general pipe 42 be arranged on two pipes 45, between 46.Thus, owing to can make

pipe

41,42, therefore can further improve the torsional rigid of probe 2 with the centrage of the direction parallel near leaf spring 30 with first type surface 30a, the 30b of leaf spring 30.In addition, operation is inserted general pipe 41 to be provided with

pipe

43,44 external modes with tinsel, and operation is inserted general pipe 42 to be provided with

pipe

45,46 external modes with tinsel.Thus, with pipe 41 with manage 43,44 and separate and manage 42 and compare with 45, the 46 isolating situation of managing, can improve the intensity of probe 2.

Here, with reference to Fig. 6 the configuration of the pipe 41 ~ 46 of the related probe 2 of this embodiment is at length explained.Fig. 6 is the general profile chart that is used for the configuration of explanation pipe 41 ~ 46.As shown in Figure 6, in first area 20A and second area 20B, it is to connect in the imaginary circular S at center that a plurality of pipes 41 ~ 46 are configured to respectively with central shaft with probe 2 each other.Thus, can the section shape of tubular part 4 easily be remained circular.Section shape at tubular part 4 is under the situation of circular, can make the insertion of probe sheath (sheath) or the operation of probe 2 insertion blood vessels become easy.Therefore, according to the probe 2 of this embodiment, can easily guarantee the operability that probe 2 is good.In addition, can insert the size (thickness) of the probe 2 in the patient's body lumen, generally the maximum diameter size (diameter) partly by tubular part 4 decides.Therefore, under through the big or small identical situation about comparing that makes this maximum diameter part, when the section circular, more can improve the space availability ratio of probe 2 than section flat pattern or section polygonal shape.That is, can increase and to insert the quantity of leading to, thereby can realize multifunction, the high performance of probe 2 in lead of tubular part 4 etc.

In addition, be designed to circular, can improve the strength balance of tubular part 4 through section shape with tubular part 4, thereby for becoming stable structure from multidirectional external force.For example, as stated, ring electrode 12 is anchored on tubular part 4 through the riveted joint diameter becket bigger than the external diameter of tubular part 4, thereby is fixed in tubular part 4.Through the section shape of tubular part 4 is made circular, thereby the power that puts on tubular part 4 can prevent because of riveted joint the time causes the situation of tubular part 4 distortion.In addition, above-mentioned " circular " means and just comprises circle and the circle with out of roundness of the degree that can obtain above-mentioned effect.In addition, the side 30c of

leaf spring

30,30d also can be set to contact with imaginary circular S.In this case, tubular part 4 is become with respect to external force stable structure more.

In this embodiment, in the 20A of first area, be provided with two

pipes

43,44 with being separated from each other, in second area 20B, be provided with two

pipes

45,46 with being separated from each other.Therefore in the 20A of first area, form the space 22A that surrounds by

pipe

43,44, pipe 41 and leaf spring 30, in second area 20B, form the space 22B that surrounds by

pipe

45,46, pipe 42 and leaf spring 30.At least one side of 22A, 22B in this space can insert the parts (below, suitably be called the crooked parts of regulating) of the bendability that is used to regulate probe 2 as required.It for example is the bar that is made up of rustless steel (SUS), NiTi metals such as (NiTi) or resin that parts are regulated in this bending.Insert through bending being regulated parts, can change the hardness of tubular part 4, can regulate the bendability of probe 2 thus.Arbitrary side through 22A, 22B in the space inserts and crookedly regulates parts or the both sides of 22A, 22B insert flexible different each other bending and regulate parts in the space, thereby the crooked situation of probe 2 is become outside the object.

For example, the amphi position end through the distance probes in the 22A of space 2 is that the position of predetermined distance is inserted and crookedly regulated parts, regulates parts than bending and more becomes the bending area of probe 2 in the distolateral zone of amphi position thereby can make.Can make thus along the bending range of the probe 2 under the crooked situation of the arrow D1 direction of Fig. 2 than short along the bending range of the probe 2 under the crooked situation of the arrow D2 direction of Fig. 2.

Parts are regulated in the bending that is inserted into first area 20A, can contact with 41, two

pipes

43,44 of pipe and leaf spring 30 respectively.In addition, parts are regulated in the bending that is inserted into second area 20B, can contact with 42, two

pipes

45,46 of pipe and leaf spring 30 respectively.In this case, tubular part 4 is become with respect to external force stable structure more.

That kind as described above, the leaf spring 30 of the probe 2 of this embodiment, the mode that is embedded in tubular part 4 with at least a portion along the axially extended end 30e of

tubular part

4,30f is arranged at the inside of tubular part 4.Therefore when operating operation has applied power with

tinsel

50a, 50b and to leaf spring 30, can prevent the situation about reversing of leaf spring 30 generations with respect to tubular part 4.Thus, can improve the torsional rigid of probe 2, its result can make the flatness of the bending area of probe 2 improve.In addition, can further reduce thus probe 2 produce curved shapes defective probability and reduce because reversing of leaf spring 30 causes the probability of tubular part 4 breakages.In addition, because the front-end chip electrode is used lead with lead 60 and ring electrode, insert and lead in path 34 ~ 36 situation that the lead that causes so can prevent to follow the bending of probe 2 twines each other.Thus, can avoid taking place the generation of the state of affairs such as concavo-convex that causes by the lead that twines on the surface of probe 2 (tubular part 4).

The present invention is not limited to above-mentioned embodiment, can apply distortion such as various design alterations based on those skilled in the art's knowledge, is also included within the scope of the present invention for the combination of that kind or the embodiment that applied distortion.The new embodiment that combination through above-mentioned embodiment and following variation produces has the embodiment of combination and each effect of variation concurrently.

In the above-described embodiment, both ends 30e, the 30f of leaf spring 30 are embedded in tubular part 4 in length range, yet both ends 30e, the 30f that also can constitute leaf spring 30 imbed tubular part 4 in the part of total length.That is, for tubular part 4, in the scope of the effect of the torsional rigid that can obtain to improve probe 2, the end 30e that extends vertically and/or at least a portion of end 30f are imbedded tubular part 4 and are got final product.

The related probe 2 of above-mentioned embodiment; Under the situation of the receiving space that will be formed at inner core 4b 20 as a tube chamber; Probe 2 can become inner core 4b and have single cavity configuration; And in the tube chamber of inner core 4b, contain the structure of the pipe 41 ~ 46 that is independent of inner core 4b, can also be one with tubular part 4 yet manage 41 ~ 46.That is, inner core 4b can also have the structure of the multi-cavity that is formed with through hole, and a plurality of tube chambers and leaf spring 30 that this through hole is used for supplying to constitute path 31 ~ 36 are inserted logical.In this case, utilize the part of specific thickness to form pipe portion from the inwall of each tube chamber of constituting path 31 ~ 36,33 ~ 36 corresponding pipe portions contact with first type surface 30a, the 30b of leaf spring 30 with path.Can obtain the enhanced effect of torsional rigid of probe 2 thus.In addition, have at inner core 4b under the situation of multi-cavity structure, become

first type surface

30a, 30b and the side 30c of leaf spring 30, the integral body of 30d is embedded to the structure of tubular part 4, thereby can further improve the enhanced effect of torsional rigid of probe 2.In addition, have at inner core 4b under the situation of multi-cavity structure, probe 2 becomes and is filling up the state of the constituent material of inner core 4b with space 22A, zone that 22B is corresponding, yet also can be provided for inserting the through hole that logical bending property is regulated parts in this zone.

In the above-described embodiment, be in whole paths of path 34 ~ 37, insert and be connected with the lead that electrode is used, yet also can being lead all, path 34 ~ 37 inserts general path.For example, can insert the thermocouple that leads to as near the temperature sensor of the temperature the amphi position end of detector probe 2 in the part of path 34 ~ 37.

Description of reference numerals: 2 ... Probe; 4 ... Tubular part; 20A ... The first area; 20B ... Second area; 22A, 22B ... The space; 30 ... Leaf spring; 30a, 30b ... First type surface; 30c, 30d ... The side; 30e, 30f ... The end; 31,32,33,34,35,36 ... Path; 41,42,43,44,45,46 ... Pipe; 50a, 50b ... Tinsel is used in operation.Utilizability on the industry

The present invention can be used in probe.

Claims

1. probe is characterized in that possessing:

Tubular part;

Leaf spring, the mode that its at least a portion with the end of an axial side of the said tubular part in edge is embedded in said tubular part is arranged on the inside of said tubular part;

A plurality of pipe portion; They are used for forming a plurality of paths respectively in the inside of said tubular part; A plurality of paths be separately positioned on said leaf spring a main surface side first area and said leaf spring another main surface side second area and comprise that operation inserts general path with tinsel

In said first area and said second area, at least a portion pipe portion in a plurality of said pipe portion is set to contact with the first type surface of said leaf spring.

2. probe according to claim 1 is characterized in that,

The said end of said leaf spring is embedded in said tubular part in said axial whole zone.

3. probe according to claim 1 and 2 is characterized in that,

A plurality of said pipe portion comprises that at least two pipe portions and operation insert general pipe portion with tinsel,

In said first area and said second area, a plurality of said pipe portion contacts with the first type surface of said leaf spring with two said pipe portions, and said operation inserts general pipe portion with tinsel and the isolating mode of said leaf spring is provided with.

4. probe according to claim 3 is characterized in that,

In said first area and said second area, two said pipe portions are across the centrage setting along the axial leaf spring of probe, and said operation is inserted general pipe portion with tinsel and is arranged between two said pipe portions.

5. probe according to claim 4 is characterized in that,

In said first area and said second area, it is external that said operation is inserted the said pipe of general pipe portion and two portion with tinsel, and it is to connect in the circular at center that a plurality of said pipe portion is configured to respectively with central shaft with probe each other.

6. according to claim 4 or 5 described probes, it is characterized in that,

In said first area and said second area, two said pipe portions are provided with being separated from each other,

At least one side of said first area and said second area, and by two said pipe portion, said operation insert in general pipe portion and the said leaf spring area surrounded with tinsel, be inserted with the parts of the bendability that is used to regulate probe.

7. according to each the described probe in the claim 1 to 6, it is characterized in that,

Possess a plurality of electrodes in the amphi position end zone,

In a plurality of said paths, insert at least a portion path the general path with tinsel, insert and be connected with the lead that a plurality of said electrodes are used except that operation.