CN203953707U - Four-dimensional percutaneous biopsy puncture apparatus - Google Patents
Four-dimensional percutaneous biopsy puncture apparatus Download PDFInfo
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- CN203953707U CN203953707U CN201420271978.7U CN201420271978U CN203953707U CN 203953707 U CN203953707 U CN 203953707U CN 201420271978 U CN201420271978 U CN 201420271978U CN 203953707 U CN203953707 U CN 203953707U
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- puncture
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- puncture needle
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Abstract
The utility model discloses a kind of four-dimensional percutaneous biopsy puncture apparatus, comprise main puncture needle and secondary puncture needle, be provided with main puncture nook closing member in described main puncture needle, the end of described main puncture nook closing member is provided with navigator, and described navigator is connected with display; Secondary puncture needle comprises end, needle tubing portion, elastic bending part and needle tip.Owing to having adopted technique scheme, it is foundation that this utility model adopts the four-dimensional locator data of MSCT, pass through data navigation, fully react puncture needle space-time position by three angular-rate sensors and a displacement transducer, puncture needle locus shows in real time, adjust at any time puncture path and needle angle, effectively avoid blood vessel and vitals etc., target accurately punctures.Through clinical trial certificate, puncture accuracy rate of the present utility model is 99%, and complication rate is 15%, and radiation dose reduces by 80%.
Description
Technical field
This utility model relates to medical instruments field, specifically, relates to a kind of four-dimensional percutaneous biopsy puncture apparatus, is applicable to various aspiration biopsies, is especially applicable to the lung puncture biopsy under MSCT guiding.
Background technology
Percutaneous biopsy (the percutaneous needle biopsy of the lower lung of CT guiding, PNB) easy, Wicresoft, it is one of important means of pulmonary lesion diagnosis and differential diagnosis, be widely used in clinical, the concordance of puncture path when focus and body surface opposite position and enforcement are punctured when its key is location scanning, i.e. puncture path agreement principle.And traditional puncture needle does not have angle measuring function, cannot show in real time puncture angle and the degree of depth, when puncture, also just cannot accomplish the concordance of the four-dimensional data that puncture path and CT provide, focus is less, position is darker, the difficulty of puncture is larger, and puncture accuracy is poorer, and puncture time is more, the time that let the acupuncture needle remain at a certain point in lung is longer, and pneumothorax or hemorrhage incidence rate are higher.When tradition lancet puncture, often select puncture path with operator's experience, carry out blind wearing, needle angle is held inaccurate, error is larger, and puncture success rate is lower, generally need to repeatedly puncture, repeatedly CT scan, operation and lack of standardization, complication is more, and the radiation dose that patient accepts is larger.The puncture success rate of common puncture needle is generally in 60% left and right, and complication rate is in 70% left and right.
Utility model content
The technical problems to be solved in the utility model is to overcome above-mentioned defect, and a kind of four-dimensional percutaneous biopsy puncture apparatus that accuracy rate is high, complication rate is low that can puncture is provided.
For addressing the above problem, the technical scheme that this utility model adopts is:
Four-dimensional percutaneous biopsy puncture apparatus, comprise main puncture needle, in described main puncture needle, be provided with main puncture nook closing member, it is characterized in that: the end of described main puncture nook closing member is provided with navigator, the central axis of navigator is connected with display with the central axes of main puncture needle or parallel, described navigator.
Improve as one:
Described puncture apparatus also comprises the secondary puncture needle coordinating with main puncture needle;
Secondary puncture needle comprises end, needle tubing portion, elastic bending part and needle tip;
After described secondary puncture needle coordinates with main puncture needle, the needle tip of secondary puncture needle and elastic bending part are positioned at outside the needle point of main puncture needle;
Described elastic bending part is that elastomeric material or memory alloy material are made;
Described secondary puncture needle is provided with secondary puncture nook closing member.
End, needle tubing portion, elastic bending part and the needle tip of described secondary puncture needle are structure as a whole.
Improve as another kind:
The elastic bending part of described secondary puncture needle and needle tubing portion, needle tip are Split type structure.
As further improvement:
Described puncture apparatus also comprises carrying case, and described main puncture needle, main puncture nook closing member, navigator and secondary puncture nook closing member are all positioned at carrying case.
As further improving:
Described navigator comprises that cylindrical housings, three angular-rate sensors, displacement transducer and DSP gather analogue signal device;
The angular velocity voltage output end of described three angular-rate sensors is connected with the A/D sampling pin that DSP gathers analogue signal device;
The displacement voltage outfan of described displacement transducer is connected with the A/D sampling pin that DSP gathers analogue signal device;
Described DSP gathers analogue signal device and is connected with D/A converter;
Described D/A converter is connected with wireless signal transmitter.
In the housing that described three angular-rate sensors are fixedly installed on respectively;
Three angular-rate sensors are respectively X axis angular-rate sensor in the X-axis line direction that is positioned at navigator, be positioned at Y-axis angular-rate sensor in the Y-axis line direction of navigator, be positioned at the Z-axis direction angular-rate sensor in the z axis direction of navigator.
Described displacement transducer is fixedly installed in the housing of navigator, and the central axis of displacement transducer and the central axes of navigator or parallel.
As further improving:
Described display and navigator are wireless connections.
As further improving:
Described display comprises wireless signal receiver, signal processor and data display equipment.
Owing to having adopted technique scheme, it is foundation that the present invention adopts the four-dimensional locator data of MSCT, pass through data navigation, fully react puncture needle space-time position by three angular-rate sensors and a displacement transducer, puncture needle locus is shown in real time, adjust at any time puncture path and needle angle, effectively avoid blood vessel, target accurately punctures.Through clinical trial certificate, puncture accuracy rate of the present invention is 99%, and complication rate is down to 15%, and radiation dose reduces by 80%.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
brief description of the drawings
Accompanying drawing 1 is the structural representation of a kind of embodiment of the four-dimensional percutaneous transthoracic needle biopsy instrument of the present invention;
Accompanying drawing 2 is structural representations of main puncture needle in accompanying drawing 1, secondary puncture needle and secondary puncture nook closing member;
Accompanying drawing 3 is structural representations of navigator in accompanying drawing 1;
Accompanying drawing 4 is structural representations of carrying case in the present invention;
Accompanying drawing 5 is the transmitting of the four-dimensional percutaneous transthoracic needle biopsy instrument of the present invention signal and the structured flowchart receiving.
In figure: the main puncture needle of 1-; The secondary puncture needle of 2-; The secondary puncture of 3-nook closing member; 4-navigator; 5-wireless signal transmitter; 6-angular-rate sensor; 7-display; 8-carrying case; The main puncture nook closing member of 9-; 10-displacement transducer; 11-holder; 12-needle tubing portion; 13-needle tip; 14-elastic bending part.
detailed description of the invention
Embodiment: as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, four-dimensional percutaneous transthoracic needle biopsy instrument, comprise main puncture needle 1, in described main puncture needle 1, be provided with main puncture nook closing member 9, the end of described main puncture nook closing member 9 is provided with navigator 4, the central axes of the central axis of navigator 4 and main puncture needle 1 or parallel, both central axes in the present invention; Described navigator 4 is provided with holder 11, described navigator 4 connects main puncture needle 1 by holder 11, display 7 is wireless connections with navigator 4, certainly can be also wired connection as required, in the present invention, adopt wireless connections mode, wherein, display 7 comprises wireless signal receiver, signal processor and data display equipment.
Described navigator 4 comprises that cylindrical housings, three angular-rate sensors 6, displacement transducer 10 and DSP gather analogue signal device; Described displacement transducer 10 is fixedly installed in the housing of navigator 4, and the central axis of displacement transducer 10 and the central axes of navigator or parallel, both central axes in the present invention.
In the housing that described three angular-rate sensors 6 are fixedly installed on respectively; Three angular-rate sensors 6 are respectively X axis angular-rate sensor in the X-axis line direction that is positioned at navigator 4, be positioned at Y-axis angular-rate sensor in the Y-axis line direction of navigator 4, be positioned at the Z-axis direction angular-rate sensor in the z axis direction of navigator 4.It is placed in space in the orthogonal mode of direction of principal axis, represent respectively the three-dimensional axis of main puncture needle 1, thereby can obtain the angular velocity information of three vertical direction in main puncture needle 1 space, the central axes of the central axis of displacement transducer 10 and navigator 4, and the central axes of the central axis of navigator 4 and main puncture needle 1, the variation of displacement transducer 10 perception displacement at any time, therefore enter how many how much just demonstration in the time that main puncture needle 1 punctures, accurately hold depth of needle.
The angular velocity voltage output end of described three angular-rate sensors 6 is connected with the A/D sampling pin that DSP gathers analogue signal device; The displacement voltage outfan of described displacement transducer 10 is connected with the A/D sampling pin that DSP gathers analogue signal device; Described DSP gathers analogue signal device and is connected with D/A converter; Described D/A converter is connected with wireless signal transmitter 5, finally send signal by wireless signal transmitter 5, wireless signal receiver in display 7 receives signal, then through signal processor by signal processing, by data display equipment by data show on the screen of display 7.
Described puncture apparatus also comprises the secondary puncture needle 2 coordinating with main puncture needle 1; Secondary puncture needle 2 comprises end 15, needle tubing portion 12, elastic bending part 14 and needle tip 13; After described secondary puncture needle 2 coordinates with main puncture needle 1, the needle tip 13 of secondary puncture needle 2 and elastic bending part 14 are positioned at outside the needle point of main puncture needle 1; Described secondary puncture needle 2 is provided with secondary puncture nook closing member 3.
End 15, needle tubing portion 12, elastic bending part 14 and the needle tip 13 of described secondary puncture needle 2 are structure as a whole, being needle tubing portion 12, elastic bending part 14 and needle tip 13 makes for elastomeric material or memory alloy material, certainly, elastic bending part 14 and needle tubing portion 12, the needle tip 13 of described secondary puncture needle 2 can be Split type structure, being elastic bending part 14 makes for elastomeric material or memorial alloy, this material can change shape in the situation that having external force, recovers original form in the situation that there is no external force.
In the time that needle tip 13 enters main piercing needle 1, angle disappears, when needle tip 13 from main piercing needle 1 out time angle recover again, like this on main puncture needle 1 puncture channel basis, just can change as required far-end puncture direction, realize and drawing materials away from main puncture channel, reduce main lancet puncture number of times, simultaneously revolute puncture needle 2, its needle tip 13 can stretch out and multiple different targets that puncture within the scope of 180 °, realizes multi-point sampling truly.
As shown in Figure 3, described puncture apparatus also comprises carrying case 8, and described main puncture needle 1, main puncture nook closing member 9, navigator 4 and secondary puncture nook closing member 3 are all positioned at carrying case 8, are easy to carry like this and preserve.
Claims (10)
1. four-dimensional percutaneous biopsy puncture apparatus, comprise main puncture needle (1), in described main puncture needle (1), be provided with main puncture nook closing member (9), it is characterized in that: the end of described main puncture needle (1) is provided with navigator (4), the central axes of the central axis of navigator (4) and main puncture needle (1) or parallel, described navigator (4) is connected with display (7).
2. percutaneous biopsy puncture apparatus according to claim 1, is characterized in that: described puncture apparatus also comprises the secondary puncture needle (2) coordinating with main puncture needle (1);
Secondary puncture needle (2) comprises end (15), needle tubing portion (12), elastic bending part (14) and needle tip (13);
After described secondary puncture needle (2) coordinates with main puncture needle (1), needle tip (13) and the elastic bending part (14) of secondary puncture needle (2) are positioned at outside the needle point of main puncture needle (1);
Described elastic bending part (14) is made for elastomeric material or memory alloy material;
Described secondary puncture needle (2) is provided with secondary puncture nook closing member (3).
3. four-dimensional percutaneous biopsy puncture apparatus according to claim 2, is characterized in that: end (15), needle tubing portion (12), elastic bending part (14) and the needle tip (13) of described secondary puncture needle (2) are structure as a whole.
4. four-dimensional percutaneous biopsy puncture apparatus according to claim 2, is characterized in that: the elastic bending part (14) of described secondary puncture needle (2) is Split type structure with needle tubing portion (12), needle tip (13).
5. four-dimensional percutaneous biopsy puncture apparatus according to claim 2, it is characterized in that: described puncture apparatus also comprises carrying case (8), described main puncture needle (1), main puncture nook closing member (9), navigator (4) and secondary puncture nook closing member (3) are all positioned at carrying case (8).
6. four-dimensional percutaneous biopsy puncture apparatus according to claim 1 and 2, is characterized in that: described navigator (4) comprises that cylindrical housings, three angular-rate sensors (6), a displacement transducer (10) and DSP gather analogue signal device;
The angular velocity voltage output end of described three angular-rate sensors (6) is connected with the A/D sampling pin that DSP gathers analogue signal device;
The displacement voltage outfan of described displacement transducer (10) is connected with the A/D sampling pin that DSP gathers analogue signal device;
Described DSP gathers analogue signal device and is connected with D/A converter;
Described D/A converter is connected with wireless signal transmitter (5).
7. four-dimensional percutaneous biopsy puncture apparatus according to claim 6, is characterized in that: in the housing that described three angular-rate sensors (6) are fixedly installed on respectively;
Three angular-rate sensors (6) are respectively X axis angular-rate sensor in the X-axis line direction that is positioned at navigator (4), be positioned at Y-axis angular-rate sensor in the Y-axis line direction of navigator (4), be positioned at the Z-axis direction angular-rate sensor in the z axis direction of navigator (4).
8. four-dimensional percutaneous biopsy puncture apparatus according to claim 6, it is characterized in that: described displacement transducer (10) is fixedly installed in the housing of navigator (4), and the central axis of the central axis of displacement transducer (10) and navigator (4) is parallel or overlap.
9. four-dimensional percutaneous biopsy puncture apparatus according to claim 1 and 2, is characterized in that: described display (7) is wireless connections with navigator (4).
10. four-dimensional percutaneous biopsy puncture apparatus according to claim 9, is characterized in that: described display (7) comprises wireless signal receiver, signal processor and data display equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271978.7U CN203953707U (en) | 2014-05-16 | 2014-05-16 | Four-dimensional percutaneous biopsy puncture apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271978.7U CN203953707U (en) | 2014-05-16 | 2014-05-16 | Four-dimensional percutaneous biopsy puncture apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203953707U true CN203953707U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271978.7U Withdrawn - After Issue CN203953707U (en) | 2014-05-16 | 2014-05-16 | Four-dimensional percutaneous biopsy puncture apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203953707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055542A (en) * | 2014-05-16 | 2014-09-24 | 张孔源 | Four-dimensional percutaneous biopsy puncture instrument |
-
2014
- 2014-05-16 CN CN201420271978.7U patent/CN203953707U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055542A (en) * | 2014-05-16 | 2014-09-24 | 张孔源 | Four-dimensional percutaneous biopsy puncture instrument |
| CN104055542B (en) * | 2014-05-16 | 2016-05-11 | 张孔源 | Four-dimensional percutaneous biopsy puncture instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |