CN206700207U - Hand-held CT localised puncture angle guiding devices - Google Patents
Hand-held CT localised puncture angle guiding devices Download PDFInfo
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- CN206700207U CN206700207U CN201621487023.0U CN201621487023U CN206700207U CN 206700207 U CN206700207 U CN 206700207U CN 201621487023 U CN201621487023 U CN 201621487023U CN 206700207 U CN206700207 U CN 206700207U
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- Prior art keywords
- protractor
- angle
- held
- guide ribs
- angle indicator
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Abstract
The utility model discloses a kind of hand-held CT localised punctures angle guiding device, including protractor, angle indicator, extension rod, guide ribs, leveling feature, angle indicator is connected to protractor circle centre position, and it can be rotated around the center of circle, fixed component is provided with angle indicator, fixed component is used to angle indicator being fixed on protractor, extension rod one end is connected with angle indicator bottom, the other end is connected with guide ribs, guiding groove or guide through hole are provided with guide ribs, guiding groove or guide through hole are parallel with angle indicator, leveling feature is fixed on protractor and vertical with protractor.The utility model is designed by extension rod and guide ribs, makes that puncture needle course can either and can parallel with angle indicator be enough keeps certain distance with protractor, can ensure to puncture the accurate angle and depth of needs simultaneously, easy to operate, simple in construction.
Description
Technical field
The utility model belongs to technical field of medical instruments, and in particular to one kind is used for CT positioning lung, liver etc. and punctures angle
The guiding equipment of degree.
Background technology
Medical development makes rapid progress at present, and swollen thing of various internal organs deep tissues such as Lung neoplasm, liver etc. needs aspiration biopsy to obtain
Pathological tissue carries out related PCI, need to much be carried out under computed tomography (CT) guiding, CT related softwares
Needle angle and depth can be accurately measured in corresponding tomography optimum puncturing point, but only be difficult accurately by predetermined with operator's experience
Angle is punctured to desired depth, and particularly site of puncture is deeper, the inclined least bit of angle, leading to great error；And it can not allow more
People grasps this technology.In clinic, also someone aids in puncturing by some easy positioners, but these devices or it is more or
It is few all to there are problems that.Such as in the Chinese utility model patent of Application No. 201520293120.5, disclose a kind of CT
Guided Percutaneous Transthoracic Needle Aspiration Biopsy needle angle indicator, using rack form, although bottom seems firm, but in practical operation
Because human body surface is not horizontal, and indicator bottom is flat board, it is difficult to adjust level, this just makes the angle on the indicator refer to
Show and lose accuracy.For example disclosed again in the Chinese utility model patent of Application No. 201220042824.1 a kind of CT,
Nuclear-magnetism intervenes guide bracket, wherein using the base of annular, not only equally exists and is difficult to asking for regulation level in a patent
Topic, and, when puncturing, spacer is easily formed to puncture path hinders due to puncture needle and spacer at grade.
The content of the invention
To solve the above problems, the utility model discloses a kind of guiding of the hand-held CT localised punctures angle of brand-new design
Device, point contact can be formed with human body, and puncture path is formed necessarily with angular adjustment disk on the basis of keeping parallelism
Distance, it is the revolution formula change of CT localised puncture guiding devices.
In order to reach object above, the utility model provides following technical scheme：
Hand-held CT localised puncture angle guiding devices, including protractor, angle indicator, extension rod, guide ribs, horizontal alignment
Part, the angle indicator is connected to protractor circle centre position, and can be rotated around the center of circle, and fixed component is provided with angle indicator,
Fixed component is used to angle indicator being fixed on protractor, and described extension rod one end is connected with angle indicator bottom, the other end
It is connected with guide ribs, guiding groove or guide through hole is provided with the guide ribs, the guiding groove or guide through hole refers to angle
Pin is parallel, and the leveling feature is fixed on protractor and vertical with protractor.
Further, the fixed component includes knob, and the hollow swing-around trajectory of arc is provided with the protractor, described
The hollow swing-around trajectory center of circle is identical with the protractor center of circle, and the knob includes screw rod and swivel head, described screw rod one end and angle
Pointer is connected, and the other end is connected with swivel head, and the screw rod passes through the hollow swing-around trajectory of arc and can be movable within.
Further, it is provided with scale in the guide ribs.
Further, when being provided with guide through hole in guide ribs, the extension rod and guide ribs are detachable connection,
Or extension rod and angle indicator are detachable connection.
Further, the guiding slot cross-section in the guide ribs is arc.
Further, one section of arc is comprised at least in the guide through hole section in the guide ribs.
Further, the leveling feature includes the level meter panel being vertically connected on protractor, and sets
First bubble level meter and the second air-bubble level on level meter panel, the first bubble level meter and the second air-bubble
Level is perpendicular to one another.
Further, the first bubble level meter is vertical with protractor, and second air-bubble level is put down with protractor
OK.
Further, the guide ribs bottom is less than angle indicator bottom.
Further, the angle indicator is connected to protractor circle centre position by rotating shaft.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
Designed by extension rod and guide ribs, make that puncture needle course can either and can parallel with angle indicator be enough and amount
Angle device keeps certain distance, can ensure to puncture the accurate angle needed and depth simultaneously, easy to operate, simple in construction；This guiding
Device is mainly used in the puncturing operations such as CT positioning lung, liver, and can derive applied to orthopedic spinal, pedicle of vertebral arch, intervertebral foramen, brain, kidney
It is dirty angularly to guide in equipment.
Brief description of the drawings
Fig. 1 is hand-held CT localised puncture angle guiding device front views.
Fig. 2 is Fig. 1 side views.
Fig. 3 is Fig. 1 rearviews.
Fig. 4 is leveling feature top view.
Fig. 5 is guide ribs sectional view in embodiment one.
Fig. 6 is guide ribs sectional view in embodiment two.
Description of reference numerals：
1- angle indicators, 2- protractors, 3- extension rods, 4- guide ribs, 5- leveling features, 501- level meter panels,
502- first bubble level meters, the air-bubble levels of 503- second, 6- knobs, 601- screw rods, 602- swivel heads, the hollow rotation rails of 7-
Road, 8- rotating shafts.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
Embodiment one：
Hand-held CT localised puncture angle guiding devices as shown in Figure 1 to 4, including protractor 2, angle indicator 1, extension
Bar 3, guide ribs 4, leveling feature 5, leveling feature 5 are fixed on protractor and vertical with protractor.Protractor is
Sector, the angled graduation mark in front, two side ends are 90 degree, and centre is 0 degree.Angle indicator 1 is connected to protractor by rotating shaft 8 to be justified
At the heart 2, angle indicator 1 can rotate around the protractor center of circle, and the pointed superior of angle indicator 1 is no more than protractor outward flange, can keep away
Exempt from tip and stab operator, the latter half of angle indicator 1 is preferably longer than protractor radius.Fixed part is provided with angle indicator 1
Part, fixed component can be contacted or connected with protractor, and for angle indicator to be fixed on into protractor, fixed component can use
Buckle, magnetic absorption member, stick etc., fixed component is knob 6 in this example, and knob 6 is connected with angle indicator, can by turning knob
Angle indicator is fixed on protractor.One end of extension rod 3 is connected with the bottom of angle indicator 1, and the other end connects with guide ribs 4
Connect, guide ribs 4 are used for the direction of biopsy needle guide.It is provided with guiding groove 401 as shown in Figure 5 in guide ribs, guiding groove should be with
Angle indicator is parallel, when guiding groove Cross section Design is regular symmetric figure, the foregoing parallel center line for referring to guiding groove
With the centerline parallel of angle indicator, when guiding slot cross-section irregular, puncture needle course and angle indicator should be at least made
Direction is parallel.Because extension rod has certain length so that guide ribs keep certain distance with protractor, will not hinder puncture needle
Puncture.Guiding groove forms open puncture needle placement region, is easy to insert puncture needle in guiding groove, guiding slot cross-section with
Arc is preferred, and is adapted with the external surface shape of puncture needle, is easy to be accurately positioned.The big I of guiding groove is according to different puncture needs
Different thicknesses are designed as, fixing apparatus for puncture needle can be installed on guiding groove further according to needs is used to fix puncture needle, such as small
Clip, slot length is guided to be designed as regular length（Such as Lung neoplasm guiding puncture slot length 2cm, internal diameter 18G---22G）It is preferred,
Calculate and deduct when being easy to puncture.
As shown in Figure 1, Figure 3, leveling feature is fixed on the protractor back side, and leveling feature can directly use market
On the horizontal alignment instrument that can buy, leveling feature regulation own level, so as to ensure the vertical of protractor direction.This example
In, as shown in figure 4, leveling feature includes level meter panel 501, and the first gas being arranged on level meter panel 501
The soaked air-bubble level 503 of level 502 and second, level meter panel are vertically connected on protractor, first bubble level meter and
Second air-bubble level is perpendicular to one another, wherein, first bubble level meter is vertical with protractor, the second air-bubble level and protractor
It is parallel.By two level meters can simultaneously detection level instrument panel it is whether parallel with CT bed surfaces, it can also be ensured that puncture needle is not
To human body head pin direction deflection.
As an improvement, the hollow swing-around trajectory 7 of arc, the track hollow out, the center of circle and protractor are additionally provided with protractor 2
The center of circle is identical, and knob 6 specifically includes screw rod 601 and swivel head 602, and swivel head 602 is located at the protractor back side, and screw rod 601 passes through
The hollow swing-around trajectory of arc, its one end are connected with angle indicator, and the other end is connected with swivel head.When knob unclamps, with the angle of entry
The angular adjustment of pointer is spent, screw rod 601 moves in hollow swing-around trajectory, and screw rod can make the movement of angle indicator more smart
Really.
As an improvement, being additionally provided with length scale in guide ribs 4, scale can be arranged on guide ribs outer surface, or
In guiding groove, person's observation easy to operation.
In addition, the bottom of guide ribs 4 should be less than the bottom of angle indicator 1, there was only guide ribs bottom when so operating this guiding device
Contacted with human body surface so that guiding device forms point contact with human body, is easy to adjust leveling feature keep level.
During using this guiding device, angle indicator is moved on into predetermined angular and consolidated by tightening protractor back side knob
It is fixed.Guide ribs bottom is against human body surface, makes guiding groove lower central point contact and is directed at point of puncture, fine setting protractor is overall
Leveling feature is simultaneously observed in direction, makes leveling feature be horizontal, so as to make protractor keep hanging down with horizontal plane
Directly.Operator holds puncture needle and travelled downwardly along the guiding groove in guide ribs, bootstrap bar bottom piercing human body, in puncture process
Puncture needle is parallel with angle indicator, and paracentesis depth adds guiding slot length for the depth of CT amount of software.Puncture needle abuts guiding groove
After inserting needle to desired depth, this guiding device is removed.
Embodiment two：
Hand-held CT localised puncture angle guiding devices as shown in Fig. 1~Fig. 4, Fig. 6, including protractor 2, angle indicator 1,
Extension rod 3, guide ribs 4, leveling feature 5, leveling feature 5 are fixed on protractor and vertical with protractor.This example
Middle protractor 2, angle indicator 1, extension rod 3, the technical characteristic of leveling feature 5 are identical with embodiment one, guide ribs 4 it is big
Some technical characteristics are also identical with embodiment one.It is different from guiding groove in embodiment one, it is provided with guide ribs as shown in Figure 6
Guide through hole 402.Guide through hole all should be parallel with angle indicator, preceding when guide through hole Cross section Design is regular symmetric figure
The centerline parallel for the parallel center line and angle indicator for referring to guide through hole stated, when guide through hole section is irregular,
It should at least make puncture needle course parallel with angle indicator direction.Puncture needle needs penetrate guide through hole from one and worn
Thorn, guide through hole section is preferred with circular or ellipse, at least at it with including one section of arc on puncture needle contact surface so that connect
Contacting surface can be adapted with the external surface shape of puncture needle, be easy to be accurately positioned.The big I of guide through hole is according to different puncture need
It is designed as different thicknesses, guide through hole length is to be designed as regular length（Such as Lung neoplasm guiding puncture through hole length 2cm, interior
Footpath 18G---22G）It is preferred, calculates and deduct when being easy to puncture.
Further, this example will be arranged to detachable connection between extension rod and guide ribs, can after the completion of so puncturing
Guide ribs are pulled down from guiding device, remove guiding device remaining part.Can also be detachable by extension rod and angle indicator
Connection, guide ribs and extension rod can be pulled down, remove guiding device remaining part after the completion of puncture from guiding device.
During using this guiding device, angle indicator is moved on into predetermined angular and consolidated by tightening protractor back side knob
It is fixed.Guide ribs bottom is against human body surface, makes guide through hole lower central point contact and is directed at point of puncture, fine setting protractor is whole
Leveling feature is simultaneously observed in body direction, makes leveling feature be horizontal, so as to make protractor holding and horizontal plane
Vertically.Operator holds puncture needle and penetrated along guide through hole one to advance still further below, and bootstrap bar bottom is pierced into human body, punctures through
Puncture needle is parallel with angle indicator in journey, and paracentesis depth adds guide through hole length for the depth of CT amount of software.Puncture needle abuts
After guide through hole inserting needle to desired depth, lower guide ribs are dismantled in puncture after terminating（Or guide ribs and extension rod）, remove guiding device
Remaining part.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined formed technical scheme by above technical characteristic.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (10)
1. hand-held CT localised puncture angle guiding devices, it is characterised in that：Including protractor, angle indicator, extension rod, guiding
Bar, leveling feature, the angle indicator is connected to protractor circle centre position, and can be rotated around the center of circle, is set on angle indicator
There is fixed component, fixed component is used to angle indicator being fixed on protractor, described extension rod one end and angle indicator bottom
Connection, the other end are connected with guide ribs, and guiding groove or guide through hole are provided with the guide ribs, and the guiding groove or guiding are logical
Hole is parallel with angle indicator, and the leveling feature is fixed on protractor and vertical with protractor.
2. hand-held CT localised punctures angle guiding device according to claim 1, it is characterised in that：The fixed component bag
Knob is included, the hollow swing-around trajectory of arc, the hollow swing-around trajectory center of circle and protractor center of circle phase are provided with the protractor
Together, the knob includes screw rod and swivel head, and described screw rod one end is connected with angle indicator, and the other end is connected with swivel head, institute
Screw rod is stated through the hollow swing-around trajectory of arc and can be movable within.
3. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：When in guide ribs
When being provided with guide through hole, the extension rod is detachable connection with guide ribs, or extension rod and angle indicator are detachable
Formula connects.
4. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：The guide ribs
On be provided with scale.
5. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：The guide ribs
On guiding slot cross-section be arc.
6. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：The guide ribs
On guide through hole section in comprise at least one section of arc.
7. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：The horizontal school
Quasi-component includes the level meter panel being vertically connected on protractor, and the first bubble level being arranged on level meter panel
Instrument and the second air-bubble level, the first bubble level meter and the second air-bubble level are perpendicular to one another.
8. hand-held CT localised punctures angle guiding device according to claim 7, it is characterised in that：The first bubble water
Level is vertical with protractor, and second air-bubble level is parallel with protractor.
9. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：The guide ribs
Bottom is less than angle indicator bottom.
10. hand-held CT localised punctures angle guiding device according to claim 1 or 2, it is characterised in that：The angle refers to
Pin is connected to protractor circle centre position by rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487023.0U CN206700207U (en) | 2016-12-31 | 2016-12-31 | Hand-held CT localised puncture angle guiding devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487023.0U CN206700207U (en) | 2016-12-31 | 2016-12-31 | Hand-held CT localised puncture angle guiding devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206700207U true CN206700207U (en) | 2017-12-05 |
Family
ID=60472850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621487023.0U Expired - Fee Related CN206700207U (en) | 2016-12-31 | 2016-12-31 | Hand-held CT localised puncture angle guiding devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206700207U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844905A (en) * | 2018-06-06 | 2018-11-20 | 内蒙古华测质检技术服务有限公司 | The mounting structure of the graphite-pipe of Atomic Absorption Spectrometer |
| CN111449735A (en) * | 2020-04-17 | 2020-07-28 | 李彦明 | Spinal surgery puncture locator |
| CN114305609A (en) * | 2021-12-27 | 2022-04-12 | 武汉联影智融医疗科技有限公司 | Semi-open guide puncture tool and semi-open puncture system |
-
2016
- 2016-12-31 CN CN201621487023.0U patent/CN206700207U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844905A (en) * | 2018-06-06 | 2018-11-20 | 内蒙古华测质检技术服务有限公司 | The mounting structure of the graphite-pipe of Atomic Absorption Spectrometer |
| CN111449735A (en) * | 2020-04-17 | 2020-07-28 | 李彦明 | Spinal surgery puncture locator |
| CN114305609A (en) * | 2021-12-27 | 2022-04-12 | 武汉联影智融医疗科技有限公司 | Semi-open guide puncture tool and semi-open puncture system |
| CN114305609B (en) * | 2021-12-27 | 2023-07-25 | 武汉联影智融医疗科技有限公司 | Semi-open guiding puncture tool and semi-open puncture system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20201231 |