CN209611254U - A kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device - Google Patents
A kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device Download PDFInfo
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- CN209611254U CN209611254U CN201821890674.3U CN201821890674U CN209611254U CN 209611254 U CN209611254 U CN 209611254U CN 201821890674 U CN201821890674 U CN 201821890674U CN 209611254 U CN209611254 U CN 209611254U
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- positioning device
- metal
- needle aspiration
- aspiration biopsy
- hole
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Abstract
The utility model provides a kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device, it is therefore intended that realizes the accurate positionin of destination organization.Positioning device is formed by connecting by multiple metal strips, metal strip is formed by connecting by multiple metal blocks, through-hole of different shapes is set inside metal block, and the hole size gradual change in each metal block, in use, on a patient body by positioning device patch, it can be with the accurate puncture position of quick obtaining by the positioning device on observation CT scan image, by observe through-hole shape can quick localised puncture point two-dimensional position, the size of through-hole can be further improved accuracy of identification.Present apparatus structure is simple and convenient to operate, is at low cost, accurate positioning, and accuracy of identification is high.It only needs a CT scan that puncture position can be accurately positioned, improves positioning accuracy, avoid the problem that minute lesion puncture position can not be obtained；CT number needed for reducing positioning, reduces amount of radiation, also reduces puncture repetitive rate, alleviate patient suffering.
Description
Technical field
The utility model category medical instruments field is positioned more particularly, to a kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy and is filled
It sets.
Background technique
With the continuous development of the technologies such as medical image, computer science, computer aided medicine clinical examination with control
Using further extensively in treatment.Puncturing operation is a kind of minimally invasive intervention operation, be clinically widely used at present the inspection of cancer with
Treatment, such as aspiration biopsy and ablation etc..It either checks or treats, it is the most key for accurately navigating to lesions position all
A step, so under the auxiliary of computer medical image help doctor carry out lesion localization technology it is very crucial.
With the development of social science, medical technology also in continuous innovation and is broken through.
Traditionally, the lung puncture operation under medical image guidance is mainly guided using CT image, and doctor schemes according to CT
As planning puncture path, according to the puncture direction of setting and enter needle depth insertion lung area, shooting CT image viewing is worn again later
The position of pricker and lesion constantly adjusts the position of puncture needle until it reaches preset position.Its process needs patient in CT
CT image is repeatedly shot in room, amount of radiation is larger, and it is slower that operation carries out speed.
Existing market finds no mature molding related tool, and clinical manipulation person is mostly according to the work accustomed to using of oneself
Tool, existing tool is simple and crude, accuracy is not high, and patient need to receive CT scan confirmation repeatedly, and undoubtedly increased patient receives ray agent
Amount, damages body.The Chinese utility model of Publication No. CN206120337U provides one kind for wearing under CT guidance
The grid location device of thorn, using soft material, body-sensing comfort level is good；And it can be preferably pasted onto body surface, it is not easy to slide
It is dynamic, reduce position error；Puncture repetitive rate is reduced, patient suffering is alleviated.But this device can not accurately position
Site of puncture is in the position of human body transverse direction, and setting accuracy is not high.
Summary of the invention
The utility model provides a kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device, it is therefore intended that realizes destination organization
Accurate positionin.Positioning device is formed by connecting by multiple metal strips, and metal strip is formed by connecting by multiple metal blocks, inside metal block
Through-hole of different shapes is set, and the hole size gradual change in each metal block, in use, the positioning device is attached to patient's body
On body, after obtaining CT scan image, position can accurately be punctured with quick obtaining by the positioning device on observation CT scan image
Set, the shape of through-hole can quick localised puncture point two-dimensional position, the size of through-hole can be further improved accuracy of identification.This
Invention device structure is simple and convenient to operate, is at low cost, accurate positioning, and accuracy of identification is high.Only need a CT scan quasi- simultaneously
It determines position, improves positioning accuracy, avoid the problem that minute lesion puncture position can not be obtained；CT number has been greatly reduced,
Amount of radiation is reduced, puncture repetitive rate is also reduced, alleviates patient suffering.
The technical solution of the utility model are as follows:
A kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device, the positioning device include M metal strip, the metal
It is connected between item using fishing line；The metal strip is formed by connecting by the interior N block metal block for setting through-hole using fishing line；Lead in metal block
Transversely and axial circulation arrangement, between each adjacent metal block shape of through holes is not using the above different shape of N kind for the shape in hole
Together, the size of each metal block inner via hole is along axial extent gradual change, wherein M, N are the integer not less than 5.In use, by institute
State positioning device patch on a patient body, it, can be with by the positioning device on observation CT scan image after obtaining CT scan image
The accurate puncture position of quick obtaining, the shape by observing through-hole can quickly determine the two-dimensional position of point of puncture, through-hole
Size can be further improved accuracy of identification.
When N is 5, the shape of metal block through-hole uses triangle, quadrangle, circular, pentagon, oval 5 kinds of shapes
Transversely and longitudinal cycle arrangement.
It is preferred that the metal block is metal cylinder.
It is preferred that the metal cylinder diameter is 1~2.5mm, length is 3~5mm.
It is preferred that the metal cylinder is lead cylindrical body.
The positioning device is coated with transparent flexible protective layer.
It is provided on the transparent flexible protective layer for bonding laminating layer on the skin.
The laminating layer includes being coated in the adhesive of the transparent flexible protective layer and being pasted onto the adhesive
The isolation film on surface.
It is additionally provided with two-dimensional coordinate scale on the positioning device surface, intuitively indicates puncture position, doctor for doctor
Free ink pen or indicator stick can be used to be indicated in the positioning device through the determining puncture position of observation CT image, depth
Spend information.
The positioning device surface is additionally provided with the component for indicating personal patient information and related prompt message.
Effective effect of the utility model are as follows:
1, equipment therefor structure is simple, at low cost, easy to operate, and accuracy is high, can be quasi- by development of different shapes
True localised puncture target position, reduces position error.
2, it only needs a CT scan that can be accurately positioned, can be improved precision, avoid omitting minute lesion；Significantly subtract
CT number is lacked, has reduced amount of radiation, has also reduced puncture repetitive rate, alleviate patient suffering.
3, positioning device is formed by connecting by multiple metal strips, and metal strip is formed by connecting by multiple metal blocks, inside metal block
Through-hole of different shapes is set, and the hole size gradual change in each metal block, in use, the positioning device is attached to patient's body
On body, after obtaining CT scan image, position can accurately be punctured with quick obtaining by the positioning device on observation CT scan image
Set, the shape of through-hole can quick localised puncture point two-dimensional position, the size of through-hole can be further improved accuracy of identification.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model metal block structural schematic diagram；
Fig. 3 is the utility model section schematic diagram；
Fig. 4 is shape of through holes comparative diagram；
Fig. 5 is the simple CT image schematic diagram of the utility model.
Wherein: 1 is metal strip, and 2 be fishing line, and 3 be metal block, and 4 be configured bore therethrough, and 5 be transparent flexible protective layer, and 6 be patch
Layer is closed, 7 be development point, and 8 be CT image site of puncture.
Specific embodiment
In order to better understand the utility model, the content of the utility model is furtherd elucidate below with reference to embodiment, but
The content of the utility model is not limited solely to the following examples.
Embodiment 1
As shown in Figure 1, the lead cylindrical body 3 that different shape through-hole is set in 5 fishing line 2 is connected into a piece metal strip 1 of composition,
5 metal strips 1 connect composition positioning device with fishing line in parallel, as shown in Fig. 2, every metal strip 1 is by having 5 kinds of different shapes to lead to
The lead cylindrical body 3 in hole 4 is formed by connecting, and the shape of 3 through-hole 4 of lead cylindrical body of every 1 original position of metal strip is different, gold
The shape for belonging to block through-hole uses triangle, quadrangle, circular, pentagon, oval 5 kinds of shapes, to realize each position
Shape difference, the two-dimensional position of site of puncture 8 can be directly determined by the shape of through-hole 4.The diameter of lead cylindrical body 3 is
2.5mm, length 5mm, the size of each 3 inner via hole 4 of lead cylindrical body is along axial gradual change.In use, the positioning device is pasted
It on a patient body, can be accurate with quick obtaining by the positioning device on observation CT scan image after obtaining CT scan image
Puncture position, the shape of through-hole can quick localised puncture point two-dimensional position, the size of through-hole can be further improved knowledge
Other precision.
As shown in figure 3, positioning device is coated with transparent flexible protective layer 5, the generally materials such as medical silica-gel, polyamides Asia peace
Expect, the sense of discomfort that can be generated to avoid Effects of Lead Exposure patient skin, is provided on transparent flexible protective layer 5 for bonding on the skin
Laminating layer 6；Laminating layer 6 includes being coated in the adhesive on 5 surface of transparent flexible protective layer and being pasted onto the adhesive
The isolation film on surface, isolation film can prevent adhesive from losing viscosity.
In use, isolation film is torn, the body surface position that positioning device is fixed on to the general puncture position of patient can be facilitated
It sets, makes positioning device as far as possible with patient body axis parallel, patient lies low under CT ray machine, and long axis of body line and examination couch are vertical
Axis is parallel, and the tomoscan of human body horizontal plane is done with thickness 1mm.
As shown in figure 5, also scanning positioning device simultaneously when CT carries out CT scan to patient, trouble is attached in every CT image
The positioning device of person's body surface is all cross-section, has a development point 7 every 1mm, the shape of adjacent development point 7 corresponds to 5 kinds of through-hole
Different shapes, respectively triangle, quadrangle, circular, pentagon, ellipse.
As shown in figure 5, development 7 corresponding shapes of point are ellipse, according to the shape comparative diagram of Fig. 4 in human body transverse direction
Position, site of puncture 8 are located at from the 5th metal strip 1 from left to right, and in human body lengthwise position, 8, puncture portion is located at first figure
As upper, thus it is capable of the two-dimensional position at localised puncture position, it can be more acurrate in conjunction with the shape size of development point triangle
Localised puncture position.
Positioning device is still remained in patient after the completion of CT shooting, with patient to the room punctured to take the photograph appearance when piece
Gesture is lain down, we determined that site of puncture patient is punctured with the angle of vertical body surface, paracentesis depth can be from CT film
It measures.
It is additionally provided with two-dimensional coordinate scale on the positioning device surface, intuitively indicates puncture position, doctor for doctor
Free ink pen or indicator stick can be used to be indicated in the positioning device through the determining puncture position of observation CT image, depth
Spend information.
The positioning device surface is additionally provided with the component for indicating personal patient information and related prompt message.
The positioning device structure of the utility model is simple, at low cost, easy to operate, and accuracy is high, reduces position error；
It only needs a CT scan that can be accurately positioned simultaneously, improves positioning accuracy, avoid that asking for minute lesion puncture position can not be obtained
Topic；CT number has been greatly reduced, has reduced amount of radiation, has also reduced puncture repetitive rate, alleviates patient suffering.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
It is any to belong to those skilled in the art within the technical scope disclosed by the utility model in this, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device, it is characterised in that: the positioning device includes M metal
Item is connected using fishing line between the metal strip；The metal strip is formed by connecting by the metal block for setting through-hole in N block；Metal block
The shape of inner via hole uses N kind different shape transversely and axial circulation arrangement, and the shape of through holes of each adjacent metal block is different,
And the through-hole in each metal block, along axial extent gradual change, wherein M, N are the integer not less than 5.
2. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 1, it is characterised in that: N 5, metal
The shape of block through-hole uses triangle, and quadrangle, circular, pentagon, oval 5 kinds of shapes are transversely and longitudinal circulation is arranged
Column.
3. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 1, it is characterised in that: the metal block
For metal cylinder.
4. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 3, it is characterised in that: the round metal
Column diameter is 1~2.5mm, and length is 3~5mm.
5. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 3 or 4, it is characterised in that: the gold
Category cylindrical body is lead cylindrical body.
6. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 1, it is characterised in that: the positioning dress
It sets and is coated with transparent flexible protective layer.
7. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 6, it is characterised in that: described transparent soft
It is provided on property protective layer for bonding laminating layer on the skin.
8. CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device according to claim 7, it is characterised in that: the laminating layer
Including being coated in the adhesive of the transparent flexible protective layer and being pasted onto the isolation film on the adhesive surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890674.3U CN209611254U (en) | 2018-11-16 | 2018-11-16 | A kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890674.3U CN209611254U (en) | 2018-11-16 | 2018-11-16 | A kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209611254U true CN209611254U (en) | 2019-11-12 |
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ID=68443896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821890674.3U Expired - Fee Related CN209611254U (en) | 2018-11-16 | 2018-11-16 | A kind of CT Guided Percutaneous Transthoracic Needle Aspiration Biopsy positioning device |
Country Status (1)
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|---|---|
| CN (1) | CN209611254U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317810A (en) * | 2021-05-24 | 2021-08-31 | 中国人民解放军陆军军医大学第一附属医院 | Positioning patch for CT (computed tomography) tomography of brain |
| CN113940735A (en) * | 2021-10-20 | 2022-01-18 | 山东大学齐鲁医院 | Sacral nerve puncture path simulation planning system and device |
-
2018
- 2018-11-16 CN CN201821890674.3U patent/CN209611254U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317810A (en) * | 2021-05-24 | 2021-08-31 | 中国人民解放军陆军军医大学第一附属医院 | Positioning patch for CT (computed tomography) tomography of brain |
| CN113940735A (en) * | 2021-10-20 | 2022-01-18 | 山东大学齐鲁医院 | Sacral nerve puncture path simulation planning system and device |
| CN113940735B (en) * | 2021-10-20 | 2023-11-28 | 山东大学齐鲁医院 | Sacral nerve puncture path simulation planning system and device |
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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: 20191112 Termination date: 20201116 |