CN208551963U - For the needle holder in image-guided intervention operation - Google Patents
For the needle holder in image-guided intervention operation Download PDFInfo
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- CN208551963U CN208551963U CN201820216686.1U CN201820216686U CN208551963U CN 208551963 U CN208551963 U CN 208551963U CN 201820216686 U CN201820216686 U CN 201820216686U CN 208551963 U CN208551963 U CN 208551963U
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- pressing plate
- needle
- pedestal
- image
- needle holder
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Abstract
The utility model provides a kind of needle holder in image-guided intervention operation comprising: pedestal, pedestal are equipped with multiple light-reflecting portions that can be identified, and have the needle tray of accommodating aciculiform surgical instrument on pedestal；Be connected with the pedestal and can opposite base overturning pressing plate, overturning pressing plate can be covered on above needle tray；Pressing plate fastener, is rotatably arranged on pedestal, and pressing plate fastener has the compression piece stacked with the pressing plate, and pressing plate can be compressed and on the base cover needle tray by rotation pressing plate fastener, or rotation pressing plate fastener can discharge pressing plate, and needle tray is opened.The utility model can realize the fast assembling-disassembling of aciculiform surgical instrument.
Description
Technical field
The utility model relates to image-guided intervention surgical medical equipment technology fields, are used for image more particularly to one kind
Needle holder in guidance intervention operation.
Background technique
Emerging therapeutic method of the interventional therapy between surgery, medical treatment, wherein Percutaneous punctural intervention operation be with
The surgical instruments such as puncture needle, freezing needle, radio frequency ablation needle are pierced into lesions position or operation into the human body by minimally invasive mode
On target position, then it is sampled or treats.In interventional procedure, the overwhelming majority is related to puncturing.Due to doctor without
Method observes directly institutional framework and lesions position in patient body, it is therefore desirable to by medical imaging modalities.Image (CT,
Magnetic resonance imaging) leading percutaneous puncture intervention operation when, in order to observe the completeness relation between puncture needle and lesion, and conveniently
Doctor operates puncture needle and carries out interventional therapy, it is therefore desirable to which puncture needle is fixed on special needle holder (needle holder and puncture
The relative tertiary location relationship of needle is fixed), recycle optical positioning system to track the spatial position of needle holder, so that it is determined that wearing
The positional relationship of pricker and image, lesion carries out interventional therapy.
Optical positioning system mainly includes control centre, optical measuring system, needle holder, and optical measuring system has infrared
Light emitting, receiver, Infrared irradiation back reflection on witch ball return to infrared light receiver, and control centre is calculated by software
Spatial position locating for witch ball out.All objects tracked by optical measuring system are fitted with witch ball group, witch ball group
It is made of three or more witch balls, the arrangement mode of witch ball group has unique geometrical characteristic on different objects, to show difference.
As long as optical measuring system traces into certain witch ball group, control centre can calculate optical measuring system and the witch ball group
Spatial relationship, and identify the object.
In the prior art, different puncture needles is mounted on different needle holders, needs to control when replacing puncture needle
The spatial relationship of puncture needle and needle holder is remembered at center again, this replacement process is comparatively laborious.Conventionally, as holding needle
Device needs to sterilize use repeatedly, and the reflectorized material of existing witch ball is easy contaminated, damage.In the prior art, do not have yet
Consider that doctor holds the comfort of needle holder.In addition, existing needle holder operating difficulties when replacing puncture needle, and it is time-consuming.Cause
This, needs a kind of needle holder for being conveniently replaceable puncture needle.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide one kind to be used for image-guided Jie
Enter the needle holder in operation, is difficult to dismount surgical instrument for solving needle holder in the prior art, there are inconvenient to use to ask
Topic.
In order to achieve the above objects and other related objects, the utility model provides a kind of in image-guided intervention operation
Needle holder comprising: pedestal, pedestal are equipped with multiple light-reflecting portions that can be identified, and have accommodating aciculiform operation on pedestal
The needle tray of instrument；
Be connected with the pedestal and can opposite base overturning pressing plate, overturning pressing plate can be covered on above needle tray；
Pressing plate fastener, is rotatably arranged on pedestal, and pressing plate fastener has the compression piece stacked with the pressing plate, turns
Pressing plate can be compressed and on the base cover needle tray by dynamic pressure plate fastener, or rotation pressing plate fastener can discharge pressing plate, will
Needle tray is opened.
Preferably, described to compress the sector structure that piece is the pivot axis around the pressing plate fastener, and fan-shaped knot
The two sides of structure be referred to as first while and when second, the outer end on the first side is first contacted with the pressing plate when compressing piece rotation,
Compress the thickness of piece from first while outer end to second while wedge shaped be incremented by；The end of the pressing plate has folded with the compression piece
The fan section put, and the outermost outer side edges for being known as fan section on one side of the corresponding pressing plate in fan section, the fan opposite with outer side edges
The another side in shape area is known as the inner side edge in fan section, and inner side edge of the thickness from the end of outer side edges to fan section is wedge shaped to be passed
Increase.
Preferably, the fan section thickness of the pressing plate end increases slope and the thickness for compressing piece increases slope one
It causes.
Preferably, the pressing plate fastener further includes the handle for stirring the compression piece rotation.
Preferably, the central angle θ for compressing piece is 90 °.
Preferably, central angle corresponding to the fan section on the pressing plate is 60 °.
Preferably, the pedestal is made of the transverse arm of arc and two oblique arms being respectively connected with transverse arm both ends, described
There is the needle tray, the light-reflecting portion is located on the oblique arm on transverse arm；The pressing plate is arc panel identical with the transverse arm.
Preferably, there is groove on the pedestal, witch ball is embedded in groove, witch ball constitutes the light-reflecting portion.
Preferably, its groove width of the needle tray is gradually increased along groove depth direction from slot bottom to groove top.
As described above, the utility model intervenes the needle holder in performing the operation for image-guided, have the advantages that
It 1), can be by the aciculiform of plurality of specifications by the pressing plate fastener of needle tray, pressing plate and clamping platen on needle tray on needle holder
Surgical instrument is pressed in needle tray, in addition, in interventional procedure, it is understood that there may be the case where using more root puncture needles, this reality
Need rotary pressure plate fastener release pressing plate that can take out the aciculiform surgical instrument in needle tray with novel, installing and dismounting side
Just, it avoids extending intervention operating time because of handling puncture needle, improves intervention procedure efficiency；2) the utility model can be fixed more
The aciculiform surgical instrument of kind specification, aciculiform surgical instrument such as puncture needle, freezing needle etc. prevent puncture needle, freezing needle etc. from performing the operation
It slides back and forth in the process, doctor's operation is facilitated to carry out intervention puncture；3) because needle holder needs are identified by optical tracking system, because
Will be equipped with the light-reflecting portion that can be identified by optical tracking system on this needle holder, and pass through and groove is set on the base, in groove
It is inside embedded witch ball, the bottom surface of witch ball is reflective surface, prevents from damaging reflective layer during cleaning and influencing tracking accuracy even
It is not available, improves the service life of light-reflecting portion.
Detailed description of the invention
Fig. 1 is shown as the overall schematic for the needle holder in image-guided intervention operation of the utility model.
Fig. 2 is shown as the pedestal schematic diagram of the utility model.
Fig. 3 is shown as the perspective view of the pressing plate fastener of the utility model.
Fig. 4 is shown as the schematic top plan view of the pressing plate fastener of the utility model.
Fig. 5 is shown as the pressing plate schematic diagram of the utility model.
Component label instructions
1 pedestal
11 oblique arms
12 transverse arms
13 grooves
14 needle trays
15,16 bolt hole
2 light-reflecting portions
3 pressing plate fasteners
31 handles
32 compress piece
33 screw rods
4 pressing plates
41 via holes
42 pressing plate medial surfaces
43 fan sections
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Fig. 1 is please referred to Fig. 5.It should be clear that structure, ratio, size etc. depicted in this specification institute attached drawing, only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
In the range of revealed technology contents can be covered.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
As shown in Figure 1, the utility model provides a kind of needle holder in image-guided intervention operation comprising: base
Seat 1, pedestal 1 are equipped with multiple light-reflecting portions 2 that can be identified, and have on pedestal 1 accommodating aciculiform surgical instrument needle tray 14 (see
Shown in Fig. 2)；
Be connected with the pedestal 1 and can opposite base overturning pressing plate 4, overturning pressing plate 4 can be covered on the top of needle tray 14；
Pressing plate fastener 3 is rotatably arranged on pedestal 1, and pressing plate fastener 3 has the compression stacked with the pressing plate 4
Piece 32 (as shown in Figure 4), pressing plate 4 can be pressed on pedestal 1 by rotation pressing plate fastener 3 covers needle tray 14, or rotation pressure
Plate fastener 3 can discharge pressing plate 4, and needle tray 14 is opened.
The needle holder of the utility model, pressing plate fastener and pressing plate cooperation by rotation setting, realizes aciculiform operation
The installation and removal of instrument (such as puncture needle, freezing needle), in installing and dismounting, it is only necessary to which aciculiform surgical instrument is placed on needle
In slot, then rotates pressing plate fastener 3 and compress pressing plate, need to only rotate pressing plate fastener when taking out replacement and release pressing plate
It puts, aciculiform surgical instrument can be taken out out of needle tray, improve the replacement efficiency of aciculiform surgical instrument.
As an embodiment of said base, as shown in Fig. 2, pedestal 1 by arc transverse arm 12 and with 12 both ends of transverse arm
Two oblique arms 11 being respectively connected with are constituted, and have the needle tray 14 on the transverse arm 12, and the light-reflecting portion 2 is located at the oblique arm 11
On.A grades of POM are used on base material in the present embodiment, the bending two ends of transverse arm 12 extend to form above-mentioned oblique arm 11, that is, tie
The thin strip structure of " u "-shaped is used on structure, can not only be met magnetic resonance compatible condition, and can reduce infrared light reflection, be kept away
Exempt to influence optical guidance precision, improves optical guidance precision.
As shown in Figure 2 there is groove in said base 1 in the present embodiment for the service life for improving above-mentioned light-reflecting portion
13, the witch ball that bottom surface has reflective layer is embedded in groove 13, witch ball constitutes the light-reflecting portion 2.The setting of groove is convenient for anti-
The installation of photosphere, witch ball is bonded in groove in the present embodiment, and the arrangement design for placing the groove of witch ball meets optics
Navigation request can make the aciculiform surgical instrument on pedestal obtain effective tracking and positioning, and the "u"-shaped of pedestal facilitates doctor
Operation carries out intervention puncture.Reflective layer is arranged in the bottom surface of witch ball in the present embodiment, and outer surface is mirror surface, can be to avoid clear
Reflective layer is damaged when clean, improves the service life of witch ball.Witch ball bottom surface preferably to install and fixing, in the present embodiment
It is hemispherical.
For realize different thicknesses aciculiform surgical instrument installation and clamping, its groove width of needle tray 14 is along groove depth in the present embodiment
Direction is gradually increased from slot bottom to groove top, such as the needle tray that section is V-arrangement.Relative to the identical needle tray of radius, V-shaped groove is because of radius
It is up to be gradually increased from bottom, the puncture needle of different size can be placed, the too small easy hair of puncture needle radius will not occurs
The problem of raw sliding, radius cannot be placed greatly very much.The needle tray of increasing diameter can be with the use of pressing plate and above-mentioned pressing plate fastener
The puncture needle of fixed different size does not need the needle holder for preparing different size according to the puncture needle of different size in this way, avoids
It needs to prepare multiple needle holders according to puncture needle type in operation.
As an embodiment of above-mentioned pressing plate, as shown in Figure 5, pressing plate 4 is identical with the transverse arm 12 in the present embodiment
The radian of arc panel, pressing plate medial surface 42 is identical as transverse arm medial surface radian.Pressing plate one end of the present embodiment has via hole 41, on
Stating on pedestal 1 has bolt hole 15 (as shown in Figure 2) in the one end of transverse arm, and bolt is threaded through in via hole 41 and bolt hole 15 will
Pressing plate 4 and pedestal 1 are rotatedly connected, rotation axis of the bolt as pressing plate, thus pressing plate 4 can opposite base overturning, when pressing plate 4 is tight
It can cooperate with needle tray 14 and grip aciculiform surgical instrument when being pressed on pedestal 1.
Preferably to compress above-mentioned pressing plate, as shown in Fig. 3 and Fig. 4, above-mentioned compression piece 32 is around the pressure in the present embodiment
The center of circle of the sector structure of the pivot axis of plate fastener, sector structure is located on the pivot center of pressing plate fastener, fan
The two sides of shape structure be referred to as first while and when second, the inner end on the first side is the center point of sector structure herein, with
The opposite other end in inner end is the outer end on the first side, is also one end of the circumferential arc side of sector structure.It is pressing the outer end on the first side
First is contacted with the pressing plate 4 when tight piece 32 rotates, compress the thickness of piece 32 from first while outer end to second while it is wedge shaped incremental；
As shown in Figure 5, the end of the pressing plate 4 has the fan section 43 stacked with the compression piece, and the corresponding pressing plate in fan section 43
The outermost outer side edges 431 for being known as fan section on one side, the another side in the fan section opposite with outer side edges is known as in fan section
Side 432, inner side edge 432 of the thickness in fan section 43 from the end A of outer side edges to fan section is wedge shaped to be incremented by, i.e. fan section
Surface is cambered surface, be at the end A of the outer side edges in fan section it is most thin, thickness where the inner side edge 432 in fan section is most thick.When
During the compression piece 32 is rotatably compressed towards the pressing plate 4, the way of contact for compressing piece 32 and the pressing plate 4 are as follows:
The thinnest part for compressing piece 32 is first contacted with the outer side edges (i.e. at the end A of the outer side edges in fan section) of the pressing plate 4, with
The increase of piece and thickness of compressive plate is compressed, the two is combined closely, until the compression piece 32 positions motionless, realization compression piece 32 and pressure
The locking of plate 4.That is during pressing plate 4 and compression piece 32 are locked, the thickness and compression piece 32 in fan section on pressing plate 4
Thickness is gradually incremental on locking path direction.Preferably to realize pressing plate and compressing the locking of piece, the sector on pressing plate 4
It is consistent with the thickness increase slope of piece 32 is compressed that area's thickness increases slope.
Above-mentioned needle tray is the needle tray of V-arrangement in the present embodiment, is adapted to the different aciculiform surgical instrument of clamping diameter, separately
Outside, above-mentioned compression piece 32 and pressing plate 4 itself all have the corresponding region that wedge shape thickens, so that compressing piece 32 by connecing with pressing plate 4
Contacting surface variation applies different power to the needle of different size (i.e. different-diameter), to fix aciculiform surgical instrument, effectively prevent needle
Body slides back and forth, and improves operation safety, on the other hand, pressing plate 4 and compression (the i.e. above-mentioned pressing plate of piece 32 relative to fixed thickness
Can be the structure of fixed thickness with piece is compressed), the structure that wedge shape thickens can shorten the rotating distance of pressing plate fastener 3.
The central angle of above-mentioned compression piece 32 is 90 ° in the present embodiment.Central angle θ corresponding to fan section 43 on pressing plate 4 is
60°。
As shown in figure 3, pressing plate fastener 3 has screw rod 33, as shown in Figure 2, the transverse arm 12 of said base 1 in the present embodiment
It is upper that there is bolt hole 16, bolt hole 16 and bolt hole 15 to be arranged with respect to the both ends of transverse arm 12, it is above-mentioned that screw rod 33 is mounted on bolt
In hole 16, that is, complete the installation of pressing plate fastener 3.Therefore pressing plate fastener 3 can be rotated around screw rod 33, realized and compressed piece rotation
Compress above-mentioned pressing plate.The center line of pivot center, that is, screw rod 33 of above-mentioned pressing plate fastener.
For convenience of the rotation for compressing piece, as shown in Fig. 3 and Fig. 4, pressing plate fastener 3 further includes for stirring in the present embodiment
The handle 31 for compressing piece 32 and rotating.In intervention operation, 3 upper handle 31 of pressing plate fastener is stirred counterclockwise, unclamps pressing plate 4,
Pressing plate 4 is lifted, puncture needle is placed in the needle tray 14 of pedestal, puts down pressing plate 4, handle 31 is stirred clockwise and drives compression piece 32
Fast-holding pressing plate 4 quickly fixes puncture needle.After completing intervention operation, handle 31 is stirred counterclockwise and drives compression piece 32 quick
Pressing plate 4 is unclamped, pressing plate is lifted, so as to quickly remove puncture needle, improves procedure efficiency.
In conclusion the utility model intervenes the needle holder in performing the operation for image-guided, only need rotary pressure plate tight
Firmware release pressing plate can take out the aciculiform surgical instrument in needle tray, easy for assemble or unload, avoid because of handling puncture needle
And extend intervention operating time, improve intervention procedure efficiency.So the utility model effectively overcome it is in the prior art various
Disadvantage and have high industrial utilization value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (9)
1. a kind of needle holder in image-guided intervention operation characterized by comprising
Pedestal, pedestal are equipped with multiple light-reflecting portions that can be identified, and have the needle tray of accommodating aciculiform surgical instrument on pedestal；
Be connected with the pedestal and can opposite base overturning pressing plate, overturning pressing plate can be covered on above needle tray；
Pressing plate fastener, is rotatably arranged on pedestal, and pressing plate fastener has the compression piece stacked with the pressing plate, rotation pressure
Pressing plate can be compressed and on the base cover needle tray by plate fastener, or rotation pressing plate fastener can discharge pressing plate, by needle tray
It opens.
2. the needle holder according to claim 1 in image-guided intervention operation, it is characterised in that: the compression piece
For around the sector structure of the pivot axis of the pressing plate fastener, and the two sides of sector structure be referred to as the first side and
The outer end on the second side, the first side is first contacted with the pressing plate when compressing piece rotation, compresses the thickness of piece by the outer end on the first side
It is incremented by the second side is wedge shaped；The end of the pressing plate has the fan section stacked with the compression piece, and fan section is corresponding
The outermost outer side edges for being known as fan section on one side of pressing plate, the another side in the fan section opposite with outer side edges is known as in fan section
Side, inner side edge of the thickness from the end of outer side edges to fan section is wedge shaped to be incremented by.
3. the needle holder according to claim 2 in image-guided intervention operation, it is characterised in that: on the pressing plate
Fan section thickness increase slope with it is described compress piece thickness increase slope it is consistent.
4. the needle holder according to claim 2 in image-guided intervention operation, it is characterised in that: the pressing plate is tight
Firmware further includes the handle for stirring the compression piece rotation.
5. the needle holder according to claim 2 in image-guided intervention operation, it is characterised in that: the compression piece
Central angle be 90 °.
6. the needle holder according to claim 2 in image-guided intervention operation, it is characterised in that: on the pressing plate
Fan section corresponding to central angle be 60 °.
7. it is according to claim 1 for it is image-guided intervention operation in needle holder, it is characterised in that: the pedestal by
The transverse arm of arc and two oblique arms being respectively connected with transverse arm both ends are constituted, and have the needle tray on the transverse arm, described anti-
Light portion is located on the oblique arm；The pressing plate is arc panel identical with the transverse arm.
8. the needle holder according to claim 1 or claim 7 in image-guided intervention operation, it is characterised in that: the base
There is groove on seat, the witch ball that bottom surface has reflective layer is embedded in groove, witch ball constitutes the light-reflecting portion.
9. it is according to claim 1 for it is image-guided intervention operation in needle holder, it is characterised in that: the needle tray its
Groove width is gradually increased along groove depth direction from slot bottom to groove top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216686.1U CN208551963U (en) | 2018-02-07 | 2018-02-07 | For the needle holder in image-guided intervention operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216686.1U CN208551963U (en) | 2018-02-07 | 2018-02-07 | For the needle holder in image-guided intervention operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208551963U true CN208551963U (en) | 2019-03-01 |
Family
ID=65452749
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820216686.1U Active CN208551963U (en) | 2018-02-07 | 2018-02-07 | For the needle holder in image-guided intervention operation |
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| Country | Link |
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| CN (1) | CN208551963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095810A (en) * | 2018-02-07 | 2018-06-01 | 上海爱立峰医疗科技有限公司 | For the needle holder in image-guided intervention operation |
-
2018
- 2018-02-07 CN CN201820216686.1U patent/CN208551963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095810A (en) * | 2018-02-07 | 2018-06-01 | 上海爱立峰医疗科技有限公司 | For the needle holder in image-guided intervention operation |
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