CN108355237A - Multi-carrier interventional needle - Google Patents
Multi-carrier interventional needle Download PDFInfo
- Publication number
- CN108355237A CN108355237A CN201810143045.2A CN201810143045A CN108355237A CN 108355237 A CN108355237 A CN 108355237A CN 201810143045 A CN201810143045 A CN 201810143045A CN 108355237 A CN108355237 A CN 108355237A
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- Prior art keywords
- needle
- outer needle
- groove
- connector
- storage silo
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- 239000002245 particle Substances 0.000 claims abstract description 79
- 238000003860 storage Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 Jin Biao Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
- A61N2005/1009—Apparatus for loading seeds into magazines or needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N2005/1019—Sources therefor
- A61N2005/1024—Seeds
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a multi-carrier interventional needle, which comprises an outer needle and an inner needle; the outer needle is of a hollow structure, one end of the outer needle is provided with a first needle seat, the other end of the outer needle is provided with a first needle point, and the side wall of the outer needle is provided with a first groove which is communicated with the inside of the outer needle and is used for placing carrier particles in the outside needle; the one end of interior needle is equipped with the second needle file, and the other end is equipped with the second needle point, interior needle follows the open end of first needle file inserts in the outer needle, the second needle file with first needle file joint. Inside placing outer needle with the carrier particle from the first recess of outer needle, the needle pushed human tissue with it in the rethread, the placing of carrier particle is more simple accurate, easy operation, and when the carrier particle was placed once more to needs, the first needle file of outer needle need not to be extracted to interior needle, and operation process is simple, improves operating efficiency.
Description
Technical field
The present invention relates to the field of medical instrument technology, and needle is intervened more particularly to a kind of multichip carrier.
Background technology
Currently, clinically being needed carrier particle (such as when carrying out some operations：Radioactive particle, Jin Biao, drug etc.)
It is pushed to tissue by intervening needle, existing intervention needle is typically that the rear end of the outer needle by carrier particle from intervention needle is put
It sets, then carrier is pushed by tissue by the rear end of the outer needle of interior needle insertion.
Due to the usual very little of carrier particle, especially radioactive particle, diameter is about 0.8mm, length is about 4.5mm,
And the rear end spaces of outer needle are larger, carrier particle is placed into outer needle rear end, and carrier particle is pushed to outer needle using interior needle
It is relatively difficult in needle cavity, in addition, when needing to place carrier particle again, it is necessary to ability after extracting interior needle from the rear end of outer needle
Carrier particle is placed again, interior needle is inserted into again from outer needle rear end carrier particle is pushed to enter tissue, operating process later
It is very cumbersome, it is less efficient.Also, some carrier particles are radioactive particle, need fast and accurately to complete to operate.Therefore,
The structure of intervention needle how is improved, simplifies operating process, becomes current urgent problem to be solved.
Invention content
The present invention provides a kind of multichip carriers to intervene needle, places difficulty to solve carrier particle in the prior art, operation is numerous
Trivial problem.
The present invention provides a kind of multichip carrier intervention needle, including outer needle and interior needle；
The outer needle is hollow structure, and one end of the outer needle is equipped with the first needle stand, and the other end is equipped with the first needle point, in institute
State the first groove for being placed on carrier particle inside outer needle for having on the side wall of outer needle and being connected to inside the outer needle；
One end of the interior needle is equipped with the second needle stand, and the other end is equipped with the second needle point, and the interior needle is from first needle stand
Open end be inserted into the outer needle, second needle stand is clamped with first needle stand.
Optionally, the outer needle is provided with first in the groove in the opposite two side walls of the outer needle length direction
Protrusion, first protrusion are bent to the outer center of pin axis direction.
Optionally, second needle point is triangular pyramid shape, and first needle point is and second needle point matched three
Pyramidal shape or first needle point are ramp structure.
Optionally, the lateral wall of the outer needle is equipped with scale mark, and limiter is also arranged on the outer needle and is stopped
Overflow connector, and the limiter is detachably connected with the connector that only overflows, and the limiter is located at one close to first needle point
Side；
First needle stand for only overflowing connector and the outer needle is detachably connected.
Optionally, the first end of the limiter is close to the second end for the connector that only overflows, the first end setting of the limiter
There are internal thread, the second end for only overflowing connector to be provided with external screw thread, the internal thread matches with the external screw thread, realizes institute
It states limiter and stops being detachably connected for the connector that overflows with described.
Optionally, the connector that only overflows is radiation protection material, and the inner wall for only overflowing connector is flexible glue material.
Optionally, the limiter is equipped with convex ribs on the outer wall of the connector that only overflows.
Optionally, the storage silo for placing the carrier particle, the storehouse of the storage silo are connected on the outer needle
First groove described in mouth face.
Optionally, the storage silo is for accommodating single carrier particle, Hatch Opening storage silo described in pressed by external force
It is opened when opposite with Hatch Opening side, the carrier particle is made to enter in first groove.
Optionally, it is placed with more carrier particles in the storage silo, is provided with by press fitting at the top of the storage silo
It sets, the Hatch Way, which installs, is equipped with limit card slot, the limit card slot and the first groove face, pushes described by press fitting
It sets, so that the carrier particle enters in first groove.
Compared with prior art, the embodiment of the present invention has the following advantages：
The multichip carrier of the embodiment of the present invention is intervened inside needle, including the outer needle of hollow structure and the pluggable outer needle
Interior needle offers the first groove being connected to inside outer needle on the side wall of outer needle, by carrier particle from the first groove of outer needle
Place is placed into inside outer needle, then pushes it into tissue by interior needle, and the placement of carrier particle is more simple accurate, easily grasps
Make, and when needing to place carrier particle again, first needle stand of the interior needle without extracting outer needle, operating process is simple, improves behaviour
Make efficiency.
Description of the drawings
Fig. 1 show a kind of outer needle construction schematic diagram of the embodiment of the present invention；
Fig. 2 show the outer needle construction schematic diagram of another kind of the embodiment of the present invention；
Fig. 3 show a kind of interior needle construction schematic diagram of the embodiment of the present invention；
Fig. 4 show the vertical view of single carrier particle storage silo；
Fig. 5 show the Section A-A figure of Fig. 4；
Fig. 6 show the section B-B figure of Fig. 4；
Fig. 7 show the vertical view of another single carrier particle storage silo；
Fig. 8 show the C-C sectional views of Fig. 7；
Fig. 9 show the D-D sectional views of Fig. 7；
Figure 10 show the structural schematic diagram of more carrier particle storage silos；
Figure 11 show the structural schematic diagram of another more carrier particle storage silos；
Figure 12 show the structural schematic diagram of limiter；
The structural schematic diagram of excessive connector until shown in Figure 13.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's acquired every other implementation without making creative work
Example, shall fall within the protection scope of the present invention.
Shown in referring to FIG. 1, FIG. 2 and FIG. 3, the multichip carrier intervention needle of the embodiment of the present invention includes outer needle 1 and interior needle 2, outer needle 1
For hollow structure, one end is equipped with the first needle stand 11, and the other end is equipped with the first needle point 12, from 11 to the second needle point 12 of the first needle stand
Entire outer needle inner hollow perforation.Have on the side wall of outer needle 1 and the first groove 13 for being connected to inside outer needle 1, by this
Carrier particle can be placed on inside outer needle 1 by one groove 13.
One end of interior needle 2 is equipped with the second needle stand 21, and the other end is equipped with the second needle point 22, and interior needle 2 is opened from the first needle stand 11
Mouth end is inserted into outer needle 1, and the second needle stand 21 and the first needle stand 11 are clamped.
The multichip carrier of the embodiment of the present invention is intervened inside needle, including the outer needle of hollow structure and the pluggable outer needle
Interior needle offers the first groove being connected to inside outer needle on the side wall of outer needle, by carrier particle from the first groove of outer needle
Place is placed into inside outer needle, then pushes it into tissue by interior needle, and the placement of carrier particle is more simple, easy to operate, and
When needing to place carrier particle again, first needle stand of the interior needle without extracting outer needle, operating process is simple, improves operation effect
Rate.
Above-mentioned first needle stand 11 and the clamping form of the second needle stand 21 can be that groove is arranged on the first needle stand 11,
The protrusion with matching grooves is arranged in second needle stand, 21 corresponding position, or protrusion is arranged on the first needle stand 11, in the second needle stand
Groove is set on 21, realizes the clamping of the two, interior needle 2 and outer needle 1 is fixed.There are many its ways of realization, to this this hair
It is bright not to be limited.
Specifically, in order to ensure the first groove 13 and the good matching relationship of carrier particle, size, the shape of the first groove 13
Shape should match with size, the shape of carrier particle, be applied to the outer needle of different carriers particle, can open up not according to demand
First groove of same size, shape.
Outer needle 1 is additionally provided with the first protrusion 14 in the first groove 13 in the opposite two side walls of the length direction of outer needle 1, the
The direction bending of the central shaft of one raised 14 outside needles 1, in this way, when placing carrier particle into groove 13, carrier particle is not
It can enter directly into the first groove 13, need to push it into the first groove 13 by external force, prevent out of trim
In the case of, carrier particle enters in outer needle 1.
The small volume of usual carrier particle, in practical operation if only by hand-held carrier particle or by it
Carrier particle is placed in the first groove 13 fixture by he, relatively difficult, less efficient.Therefore, usually carrier particle is put
It sets in storage silo, storage silo is connected on outer needle, and the first groove of Hatch Opening face 13 of storage silo, so that carrier particle can
To enter in the first groove 13 just.
Specifically, with reference to shown in Fig. 4, Fig. 5, Fig. 6, storage silo 5 can be used for accommodating single carrier particle 6, and Hatch Opening 51
The first groove of face 13.Storage silo 5, which has, is connected to the first holding section 52 of 1 lateral wall of outer needle, which can be with
For along the arc groove of the length direction perforation of itself and outer needle 1 clamping, in actual mechanical process, it is only necessary to the storage silo 5 is taken, it will
It is embedded in the lateral wall of outer needle 1 from one end of the first needle point 12 of outer needle 1, and is pushed at 13 position of the first groove i.e.
Can, it is of course also possible to which the first holding section 52 is made of flexible material, in specific operation process, utilize flexible material
First holding section 52, is directly connected to the lateral wall of outer needle 1 by ductility from the middle part of outer needle 1, then is pushed to first
At 13 position of groove.Further, it is contemplated that some carrier particles 6 have radioactivity, and entire storage silo is usually used radiation protection
Material is made, and is sealed with the diaphragm seal of layer 53 at Hatch Opening 51, when in pressed by external force storage silo 5 and Hatch Opening 51
When opposite side, diaphragm seal 53 ruptures, and Hatch Opening 51 is opened, and carrier particle 6 enters in the first groove 13, then pushes interior needle 2, will
Carrier particle 6 is sent into tissue.When needing to place carrier particle 6 into the first groove 13 again, it is only necessary to replace storage silo 5 i.e.
Can, the process simple operation, efficiency is higher.In addition it is also possible to which the sealing of radiation protection is arranged in the opening in the first holding section 52
Film.
In order to ensure that storage silo 5 can be preferably fixed on outer needle 1 in actual mechanical process, and 51 face of Hatch Opening
Relative displacement does not occur for one groove 13, and the second holding section should also be arranged in storage silo 5, so that storage silo 5 is fixed on outer needle 1
Relative displacement does not occur.Specifically can the side that storage silo 5 is fixed on outer needle 1 close to the first needle stand 11 be provided with second
Groove 54, the second groove 54 extend in storage silo 5 close to the one end open of the first needle stand 11 and along the length direction of outer needle 1 pre-
If length, which is no more than storage silo 5 close to one end of the first needle stand 11 to Hatch Opening 51 close to the one of the first needle stand 11
The distance at end.The second protrusion 15, the second protrusion 15 and the second groove 54 are provided on the lateral wall of the first needle stand 11 of outer needle 1
Match, be fixed on outer needle 1 when by the first holding section of storage silo 5, and storage silo 5 is pushed to be moved to 11 direction of the first needle stand
It is dynamic, so that the second protrusion 15 is connected in the second groove 54, at this point, Hatch Opening 51 is located exactly at the surface of the first groove 13.And
And it by the cooperation of the second protrusion 15 and the second groove 54, prevents storage silo 5 from relative displacement occurs with outer needle 1, improves operation
Accuracy.
To prevent storage silo 5 and outer needle from occurring the structure that relative displacement can also be Fig. 7-Fig. 9, in the structure, the first card
The concrete structure for holding portion 52 is same as the previously described embodiments, and details are not described herein, and difference is the concrete structure of the second holding section,
With reference to shown in Fig. 9, there are two opposite cards 56 close to the setting of the side of the first needle stand 11 for storage silo 5, and the first of outer needle 1
Corresponding position is provided with the third groove for being clamped the two cards 55 on needle stand 11, and card 56 is fixed in third groove, real
Further the 4th groove 561 can also be arranged in the fixation of existing warehouse 5 and outer needle on card 55, corresponded in third groove
Position, which is arranged, to be carried while card 56 enters third groove with the 4th protrusion of the 4th groove 561 contraposition and passes through the 4th groove
561 and the 4th protrusion cooperation, further prevent storage silo 5 and outer needle 1 that relative displacement occurs.
Certainly, it prevents from storage silo 5 from relative displacement occurs with outer needle 1 can have a variety of structures, it is in figure by way of example only, right
In its concrete structure, the present invention is not limited.
It is placed with more carrier particles in another specific embodiment, in storage silo, carrier particle can be in storage silo
Along being vertically arranged in order with outer needle length direction, can also be arranged in order along parallel outer needle length direction, for carrier particle
Specific arrangement mode, the present invention are not limited.When edge is parallel to outer needle length direction arrangement to carrier particle in storage silo,
The side opposite with Hatch Opening should be respectively provided with pushing mechanism in the outermost and storage silo of carrier particle arrangement, by carrier particle
It can be pushed at Hatch Opening successively, and when carrier particle is pushed into card slot.
It is specifically described for being arranged in order perpendicular to outer needle length direction by more carrier particles below, with reference to figure
Shown in 10, multiple elastic spacing components are provided on the inner wall of storage silo 5 so that multiple carrier particles 6 can be sequentially arranged in
In storage silo 5.The top of storage silo 5 is provided with press device, 51 position of Hatch Opening is provided with limit card slot 511, the limit
The concrete structure of card slot 511 can be similar with the structure of the first groove 13, can be arranged on the side wall at 511 middle part of limit card slot
Protrusion, to prevent carrier particle 6 from falling off, 13 face of the limit card slot 511 and the first groove pushes press device, so that carrier
Particle 6 enters in the first groove 13.It is understood that often pushing press device primary, only a carrier particle 6 enters
In first groove 13, reuses interior needle 2 and the carrier particle 6 is pushed to enter tissue.When needing to place carrier particle again,
Press device, second carrier particle 6 is pushed to enter in the first groove 13 again, in this way, when more carrier particles 6 need to be pushed away
When sending to tissue, storage silo 5 need not be dismantled, it is only necessary to push press device, improve operating efficiency.For storage
The fixed form in storehouse 5 and outer needle 1, is referred to above-described embodiment, in this regard, the present invention is not limited.
Above-mentioned press device may include specifically the first pressing lever 551, first connecting rod 552,553 and of the first compression member
First pressing piece 554, as shown in Figure 10,552 one end of first connecting rod are connect with the first pressing lever 551, the other end and the first pressing
Part 554 connects, and the first compression member 553 is set on first connecting rod 552, and positioned at the outside of storage silo 5, is pressed when to first
When bar 551 applies external force, the first compression member 553 compression, first connecting rod drives the first pressing piece 554 to move downward, and first presses
Casting die 554 is contacted with carrier particle 6, applies pressure to carrier particle 6, the carrier particle 6 of least significant end is pushed into card slot 13.
In addition, press device can also be structure shown in Figure 11, concrete structure and above-described embodiment phase of storage silo 5
Together, details are not described herein.
The press device of the embodiment specifically includes the second pressing lever 551', second connecting rod 552', the second compression member
553' and pressing piece 554', as shown in figure 11, the one end second connecting rod 552' are connect with the second pressing lever 551', the other end and second
Pressing piece 554' connections, the second compression member 553' are set on second connecting rod 552', and positioned at the inside of storage silo 5, when right
When second pressing lever 551' applies external force, the second compression member 553' compressions, second connecting rod drives the second pressing piece 554' downward
Movement, the second pressing piece 554' are contacted with carrier particle 6, apply pressure to carrier particle 6, the carrier particle 6 of least significant end is pushed away
Enter in card slot 13.
Figure 10 and Figure 11 illustrates only two kinds of forms of press device, but the present invention is not limited to a kind of this forms, corresponding
The concrete structure of press device, the present invention are not limited.
With reference to shown in Fig. 2, the second needle point 22 of the interior needle 2 of above-described embodiment is triangular pyramid shape, correspondingly, referring to Fig.1
Shown, the first needle point 12 can be to penetrate tissue with 22 matched triangular pyramid shape of the second needle point, the needle point of the shape
When, resistance can be reduced, increase passability, and be not susceptible to displacement, increase hit rate.
In addition, with reference to shown in Fig. 2, the first needle point 12 or ramp structure, the needle point of ramp structure can be in needle point
When penetrating tissue, important blood vessel or internal organs are got around, is conveniently operated.
It for different piercing process, needs the depth punctured different, for the ease of identifying the paracentesis depth of outer needle 1, leads to
Scale mark 16 is often equipped on the lateral wall of outer needle 1, in addition, special identifier is typically provided on the first needle point 12, with convenient
Observe 12 position of the first needle point.To ensure the accuracy of paracentesis depth, it is also arranged with limiter 3 on outer needle 1, can incite somebody to action
Limiter 3 is fixed at corresponding alignment mark 16.
In addition, the multichip carrier intervenes needle other than it can above-mentioned carrier particle 6 be pushed into tissue, liquid can also be carried out
The input of body carrier connects infusion device in the open end of the first needle stand 11 of outer needle 1, liquid-carrier is transported to by outer needle
Tissue, this just needs to be arranged the connector 4 that only overflows on outer needle 1, to prevent liquid-carrier from being leaked out from the first groove 13, and can
To prevent carrier particle 6 from being dropped out from the first groove 13.
Referring to Fig.1 shown in 2 and Figure 13, respectively limiter 3 and the only structural schematic diagram of excessive connector 4.By limiter 3 and only
When the connector 4 that overflows is set on outer needle 1, limiter 3 is located at close to the side of the first needle point 12, and limiter 3 is with the connector 4 that only overflows can
Dismantling connection can further increase leakproofness by connecting limiter 3 in the one end for the connector 4 that only overflows.The first end of limiter 3
Close to the second end for the connector 4 that only overflows, the first end of limiter 3 is provided with internal thread, only the second end of excessive connector 4 is provided with outer
Screw thread, internal thread match with external screw thread, realize being detachably connected for the two.In addition, can also increase in the two cohesive position
Seal gasket, to increase leakproofness.Only the first needle stand 11 of excessive connector 4 and outer needle 1 is to be detachably connected, and is leaned in the connector 4 that only overflows
One end of nearly first needle stand 11 is equipped with internal thread, is provided with matching external screw thread on the first needle stand 11, passes through inside and outside spiral shell
Fixation of the connector 4 on outer needle 1 of only overflowing is realized in the cooperation of line, prevents from, because 1 internal pressure of outer needle is excessive, leading to 4 pine of connector of only overflowing
It is dynamic, influence sealing effect.Convex ribs are equipped on outer wall of the connector 4 with limiter 3 only overflowing, to increase frictional property, are conveniently taken.
In addition the above-mentioned inner wall for only overflowing connector 4 uses flexible glue material, and to enhance sealing performance, the connector 4 that only overflows uses radiation protection material, with
Radiation protection sealing is carried out to the first groove 13.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.For system embodiment
For, since it is basically similar to the method embodiment, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of range of embodiment of the invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of multichip carrier intervenes needle, which is characterized in that including outer needle and interior needle；
The outer needle is hollow structure, and one end of the outer needle is equipped with the first needle stand, and the other end is equipped with the first needle point, described outer
There is the first groove for being placed on carrier particle inside outer needle being connected to inside the outer needle on the side wall of needle；
One end of the interior needle is equipped with the second needle stand, and the other end is equipped with the second needle point, interior needle the opening from first needle stand
Mouth end is inserted into the outer needle, and second needle stand is clamped with first needle stand.
2. multichip carrier according to claim 1 intervenes needle, which is characterized in that the outer needle is in the groove along the outer needle
The first protrusion is provided in the opposite two side walls of length direction, first protrusion is bent to the outer center of pin axis direction.
3. wanting the multichip carrier described in 1 to intervene needle according to right, which is characterized in that second needle point is triangular pyramid shape, described
It is ramp structure that first needle point, which is with the matched triangular pyramid shape of second needle point or first needle point,.
4. multichip carrier according to claim 1 intervenes needle, which is characterized in that the lateral wall of the outer needle is equipped with graduated scale
Note is also arranged with limiter and the connector that only overflows on the outer needle, and the limiter is detachably connected with the connector that only overflows, institute
Limiter is stated to be located at close to the side of first needle point；
First needle stand for only overflowing connector and the outer needle is detachably connected.
5. multichip carrier according to claim 4 intervenes needle, which is characterized in that the first end of the limiter connects close to only overflowing
The first end of the second end of head, the limiter is provided with internal thread, and the second end for only overflowing connector is provided with external screw thread, institute
It states internal thread with the external screw thread to match, realizes that the limiter stops being detachably connected for the connector that overflows with described.
6. multichip carrier according to claim 4 intervenes needle, which is characterized in that the connector that only overflows is radiation protection material, institute
The inner wall for stating the connector that only overflows is flexible glue material.
7. multichip carrier according to claim 4 intervenes needle, which is characterized in that the limiter and the outer of connector that only overflow
Convex ribs are equipped on wall.
8. multichip carrier according to claim 1 intervenes needle, which is characterized in that be connected on the outer needle for placing
State the storage silo of carrier particle, the first groove described in the Hatch Opening face of the storage silo.
9. multichip carrier according to claim 8 intervenes needle, which is characterized in that the storage silo is for accommodating single carrier grain
Son, when side opposite with the Hatch Opening of Hatch Opening storage silo described in pressed by external force, open, make the carrier particle into
Enter in first groove.
10. multichip carrier according to claim 8 intervenes needle, which is characterized in that be placed with more carriers in the storage silo
Particle is provided with press device at the top of the storage silo, and the Hatch Way, which installs, is equipped with limit card slot, the limit card slot
With the first groove face, the press device is pushed, so that the carrier particle enters in first groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143045.2A CN108355237B (en) | 2018-02-11 | 2018-02-11 | Multi-carrier interventional needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143045.2A CN108355237B (en) | 2018-02-11 | 2018-02-11 | Multi-carrier interventional needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108355237A true CN108355237A (en) | 2018-08-03 |
| CN108355237B CN108355237B (en) | 2024-05-10 |
Family
ID=63005998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810143045.2A Active CN108355237B (en) | 2018-02-11 | 2018-02-11 | Multi-carrier interventional needle |
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| Country | Link |
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| CN2882662Y (en) * | 2005-07-20 | 2007-03-28 | 邹子杨 | Easy-to-operate radioactive particle planter |
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| CN208877698U (en) * | 2018-02-11 | 2019-05-21 | 周翔 | Multi-carrier interventional needle |
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| CN108355237B (en) | 2024-05-10 |
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