CN202589667U - Novel large-ablation-range B-ultrasonic microwave needle adopting two antennas inside - Google Patents
Novel large-ablation-range B-ultrasonic microwave needle adopting two antennas inside Download PDFInfo
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- CN202589667U CN202589667U CN2012202034136U CN201220203413U CN202589667U CN 202589667 U CN202589667 U CN 202589667U CN 2012202034136 U CN2012202034136 U CN 2012202034136U CN 201220203413 U CN201220203413 U CN 201220203413U CN 202589667 U CN202589667 U CN 202589667U
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- puncture needle
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Abstract
The utility model discloses a novel large-ablation-range B-ultrasonic microwave needle adopting two antennas inside. The novel large-ablation-range B-ultrasonic microwave needle comprises a B-ultrasonic probe, a first connector, a rotating base, a second connector and a puncture needle guide base, wherein the B-ultrasonic probe is fixedly connected with the first connector, the rotating base and the first connector form a rotating pair, and the puncture needle guide base is hung on the rotating base through the second connector. The B-ultrasonic probe is provided with a first axis, the puncture needle guide base is provided with a guide body used for guiding a puncture needle assembly, the guide body is provided with a second axis, and the first axis and the second axis are intersected at an intersection point. The puncture needle assembly comprises a puncture needle and a puncture needle reinforcing sleeve sleeving the puncture needle. The puncture needle assembly arranged on the puncture needle guide base can rotate around the first axis of the B-ultrasonic probe to achieve puncture, including puncture in the ultrasound strafing surface of the B-ultrasonic probe, in any direction relative to the B-ultrasonic probe, and therefore doctors can observe puncture operation conveniently.
Description
Technical field
This utility model relates to the Minimally Invasive Surgery apparatus field, especially about a kind of B ultrasonic puncture locator.
Background technology
Development along with technology; Minimally Invasive Surgery more and more comes into one's own in the application of hospital; Use at Urology Surgery, chamber abdomen surgery etc. is universal just day by day, but one of successful key of Minimally Invasive Surgery is the order of accuarcy of doctor's puncture technique, and this also is one of difficult point of less invasive techniques.Now, many doctors are using the B ultrasonic puncture supporter to puncture, and still, difficult grasp of existing puncture supporter and puncture position are single.
The utility model content
The technical problem that this utility model will solve is, provides a kind of and can realize multi-faceted puncture, makes things convenient for hand-held B ultrasonic puncture locator that the doctor operates and the puncture needle assembly that is mated use.
For solving the problems of the technologies described above; This utility model provides a kind of hand-held B ultrasonic puncture locator, comprises Ultrasonic-B probe, first connector, rotating seat, second connector and puncture needle guide seat, and said Ultrasonic-B probe and said first connector are fixed; Said rotating seat and said first connector constitute revolute pair; Said puncture needle guide seat hangs on the said rotating seat through said second connector, and said Ultrasonic-B probe has first axle, and said puncture needle guide seat has the guide body that is used for the guided puncture needle assembly; Said guide body has second axis, and the said first axle and second axes intersect are in imitating point.
Further; Said second connector comprises elevating lever and feed screw nut pair, and said feed screw nut pair has threaded-fit screw rod and nut, said screw mandrel and said rotating seat threaded engagement; Said nut and elevating lever are fixed; Said elevating lever cooperates with said rotating seat axis hole, and the axis of said elevating lever is all parallel with said first axle with the axis of screw mandrel, and said puncture needle guide seat hangs on the said elevating lever; Through this screw pair and elevating lever are set, can realize the translation up and down of puncture needle.
Further; Said second connector also comprises circular arc scale and circular arc slide block; Said puncture needle guide seat hangs on the said elevating lever through said circular arc scale and circular arc slide block; Said circular arc scale and said elevating lever are fixed, and said circular arc scale has circular arc first guide pass, and said circular arc slide block and said first guide pass are slidingly matched; Said puncture needle guide seat and said circular arc slide block are fixed, and the center of circle of the circumference at the projection place of said first guide pass on the plane that is made up of the first axle and second axis overlaps with said intersection point.Through the position of circular arc slide block on the circular arc scale is set, can regulates the puncture angle of puncture needle, thereby can select the inlet point that punctures according to the human physiological structure.
Further, said circular arc scale also has and is planar second guide pass, and said circular arc slide block and said second guide pass are slidingly matched, and said second guide pass and the plane parallel that is made up of the said first axle and second axis.
Further, said rotating seat is provided with position baseline, and said elevating lever is provided with graduation mark, through graduation mark and position baseline are set, can accurately control paracentesis depth.The readings signify focus point of graduation mark on the first axle of Ultrasonic-B probe apart from the vertical depth on human body skin surface.
Further, said puncture needle guide seat has confined planes, and said eye plane equals the effective length of puncture needle to the distance of said intersection point, thereby when the puncture needle handle moves to confined planes, the needle point of puncture needle arrival focus point.
Further, said guide body is a bullport.
Further, said puncture needle guide seat comprises pedestal and the pressing plate that removably connects with it, and said bullport is formed by said pedestal and pressing plate.Bullport can be divided into the two parts that are located at respectively on pressing plate and the pedestal, also can only be arranged on separately on pedestal or the pressing plate.Through removably connecting of pedestal and pressing plate, the installation that makes things convenient for the puncture needle assembly with separate.
A kind of puncture needle assembly that is used with hand-held B ultrasonic puncture locator comprises puncture needle and puncture needle reinforcing sleeve, and said puncture needle reinforcing sleeve entangles said puncture needle.
Further; Described puncture needle assembly also comprises helps tube; The bottom of said puncture needle reinforcing sleeve is a cone, said support jacket casing on the said puncture needle reinforcing sleeve and be positioned at said cone above, help tube can control the degree of depth that the puncture needle reinforcing sleeve inserts body surface.
The beneficial effect of this utility model is: the puncture needle assembly that is contained on the puncture needle guide seat can rotate around the first axle of Ultrasonic-B probe; Realize the puncture of relative Ultrasonic-B probe arbitrary orientation; Make things convenient for the doctor to carry out puncture procedure; And can realize comprising puncture needle in the ultrasonic puncture of strafing in the face of Ultrasonic-B probe, be convenient to the doctor observes puncture needle through the B ultrasonic display screen piercing process; Through the puncture needle reinforcing sleeve is set, can effectively reduce the flexural deformation of puncture needle in piercing process, reduce the puncture risk.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of this embodiment hand-held B ultrasonic puncture locator;
Fig. 2 is that the B of Fig. 1 is to view.
The specific embodiment
Combine accompanying drawing that this utility model is done further explain through the specific embodiment below.
Like Fig. 1 and shown in Figure 2; This embodiment hand-held B ultrasonic puncture locator comprises Ultrasonic-B probe 1, first connector 2, rotating seat 4, second connector 3 and puncture needle guide seat 10; The Ultrasonic-B probe 1 and first connector 2 are fixing, and rotating seat 4 is connected 2 bodies and constitutes revolute pair with first, and puncture needle guide seat 10 hangs on the rotating seat 4 through second connector 3; Ultrasonic-B probe 1 has first axle O ' O '; Puncture needle guide seat 10 has the guide body 101 that is used for the guided puncture needle assembly, and guide body 101 has second axes O " O ", the first axle O ' O ' and second axes O " and O " intersect at intersection point; The puncture needle assembly 30 that is contained on the puncture needle guide seat 10 can rotate around the first axle of Ultrasonic-B probe 1; Realize the puncture of relative Ultrasonic-B probe 1 arbitrary orientation; Comprise puncture needle 9 in Ultrasonic-B probe 1 ultrasonic puncture of strafing in the face, be convenient to the doctor observes puncture needle through the B ultrasonic display screen piercing process.
Second connector 3 comprises screw pair 20, elevating lever 8, circular arc scale 13 and circular arc slide block 12.Screw pair 20 comprises threaded-fit screw rod 6 and nut 7; Screw mandrel 6 and rotating seat 4 threaded engagement; Nut 7 is fixing with elevating lever 8, and elevating lever 8 cooperates with rotating seat 4 axis holes, and the first axle O ' O ' of the axis of the axis of elevating lever 8, screw mandrel 6 and Ultrasonic-B probe 1 is parallel.The top of screw mandrel 6 is fixed with knob 5, and during turning knob 5, screw mandrel 6 rotates, so be with nut 7 and elevating lever about in the of 8 straight line move.
One end of circular arc scale 13 is fixed on the bottom of elevating lever 8; Circular arc scale 13 has two side planes and the circular arc end face between two side planes; This end face is as first guide pass 131; One of them side plane is as second guide pass 132, and circular arc slide block 12 all can be slidingly matched with this first guide pass 131 and second guide pass 132, makes circular arc slide block 12 can paste this first guide pass 131 and 132 slips of second guide pass.First guide pass 131 is by the first axle O ' O ' and second axes O " O " the center of circle O and the first axle O ' O ' and second axes O of circumference at projection place on the plane that constituted " O " intersection point overlap; The radius of this circumference is R1, and this first axle O ' O ' and second axes O " O " plane that constituted is parallel with this second guide pass 132.In addition, a positioning pressuring plate 19 can be installed at another side plane of circular arc scale, when definite circular arc slide block 12 behind the relative position on the circular arc scale 13, the lock-screw 18 of screwing, positioning pressuring plate 19 are about to circular arc slide block 12 and are fixed on the circular arc scale 13.
Puncture needle guide seat 10 is fixed on the circular arc slide block 12, and it has the guide body 101 that is used for guided puncture needle assembly 30, and this guide body 101 can be bullport.Puncture needle guide seat 10 comprises pedestal 102 and the pressing plate 103 that removably connects with this pedestal 102; This pedestal 102 is fixing with circular arc slide block 12; It is semicircular first bullport that this pedestal 102 has the cross section, and this pressing plate 103 is installed on this pedestal 102 after 15 lockings of two lock-screws.In addition, it is spacing two 105 that this pedestal 102 can also have, and this confined planes 105 is R2 with the distance of center of circle O, and this distance R 2 can equal the effective length L of puncture needle 9.Certainly, this distance R 2 also can suitably be greater than or less than this effective length L.
During use, the doctor hands this hand-held B ultrasonic puncture locator, when Ultrasonic-B probe contacts the human body skin surface and places the focus point on the Ultrasonic-B probe first axle; Shown focus point vertical depth A on the first axle of Ultrasonic-B probe on the display screen of B ultrasonic machine apart from the human body skin surface; Therefore, according to this degree of depth, rotary knob; Driving screw mandrel 6 moves up or down; The position baseline that the graduation mark 81 of this degree of depth of expression is aimed on the rotating seats 4 at this moment, has made center of circle O move to focus point and has overlapped.According to the human physiological structure, rotate rotating seat 4 and move circular arc slide block 12 simultaneously, confirm the puncture inlet point, and locking circular arc slide block 12.Puncture needle reinforcing sleeve 17 is inserted bullports, and under the guiding of the bullport of guiding puncture seat, and under the stop bit effect of helping tube 16, puncture needle reinforcing sleeve 17 gets into 10～20mm below the human body skins.At this moment, the axis of puncture needle reinforcing sleeve 17 has pointed to center of circle O.After this, puncture needle 9 is inserted puncture needle reinforcing sleeves 17, when its handle 92 during near the confined planes 105 of puncture needle guide seat 10, the needle point of puncture needle 9 just in time is punctured to the focus point.At last, extract pressing plate 103, hand-held B ultrasonic puncture locator is separated with puncture needle reinforcing sleeve 17, puncture needle 9 and support tube 16.
Above content is the further explain that combines concrete embodiment that this utility model is done, and can not assert that the practical implementation of this utility model is confined to these explanations.For the those of ordinary skill of technical field under this utility model, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of this utility model.
Claims (8)
1. hand-held B ultrasonic puncture locator; It is characterized in that: comprise Ultrasonic-B probe, first connector, rotating seat, second connector and puncture needle guide seat; Said Ultrasonic-B probe and said first connector are fixed, and said rotating seat and said first connector constitute revolute pair, and said puncture needle guide seat hangs on the said rotating seat through said second connector; Said Ultrasonic-B probe has first axle; Said puncture needle guide seat has the guide body that is used for the guided puncture needle assembly, and said guide body has second axis, and the said first axle and second axes intersect are in intersection point.
2. hand-held B ultrasonic puncture locator as claimed in claim 1; It is characterized in that: said second connector comprises elevating lever and feed screw nut pair, and said feed screw nut pair has threaded-fit screw rod and nut, said screw mandrel and said rotating seat threaded engagement; Said nut and elevating lever are fixed; Said elevating lever cooperates with said rotating seat axis hole, and the axis of said elevating lever is all parallel with said first axle with the axis of screw mandrel, and said puncture needle guide seat hangs on the said elevating lever.
3. hand-held B ultrasonic puncture locator as claimed in claim 2; It is characterized in that: said second connector also comprises circular arc scale and circular arc slide block; Said puncture needle guide seat hangs on the said elevating lever through said circular arc scale and circular arc slide block; Said circular arc scale and said elevating lever are fixed, and said circular arc scale has circular arc first guide pass, and said circular arc slide block and said first guide pass are slidingly matched; Said puncture needle guide seat and said circular arc slide block are fixed, and the center of circle of the circumference at the projection place of said first guide pass on the plane that is made up of the first axle and second axis overlaps with said intersection point.
4. hand-held B ultrasonic puncture locator as claimed in claim 3, it is characterized in that: said rotating seat is provided with position baseline, and said elevating lever is provided with graduation mark.
5. hand-held B ultrasonic puncture locator as claimed in claim 3; It is characterized in that: said circular arc scale also has and is planar second guide pass; Said circular arc slide block and said second guide pass are slidingly matched, and said second guide pass and the plane parallel that is made up of the said first axle and second axis.
6. hand-held B ultrasonic puncture locator as claimed in claim 1 is characterized in that: said puncture needle guide seat has confined planes, and said confined planes equals the effective length of puncture needle to the distance of said intersection point.
7. like any described hand-held B ultrasonic puncture locator among the claim 1-6, it is characterized in that: said guide body is a bullport.
8. hand-held B ultrasonic puncture locator as claimed in claim 7 is characterized in that: said puncture needle guide seat comprises pedestal and the pressing plate that removably connects with it, and said bullport is formed by said pedestal and pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202034136U CN202589667U (en) | 2012-05-08 | 2012-05-08 | Novel large-ablation-range B-ultrasonic microwave needle adopting two antennas inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202034136U CN202589667U (en) | 2012-05-08 | 2012-05-08 | Novel large-ablation-range B-ultrasonic microwave needle adopting two antennas inside |
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| Publication Number | Publication Date |
|---|---|
| CN202589667U true CN202589667U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202034136U Expired - Fee Related CN202589667U (en) | 2012-05-08 | 2012-05-08 | Novel large-ablation-range B-ultrasonic microwave needle adopting two antennas inside |
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| CN (1) | CN202589667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455883A (en) * | 2015-12-18 | 2016-04-06 | 苏州市立普医疗科技有限公司 | Puncture frame |
| CN107789011A (en) * | 2016-09-07 | 2018-03-13 | 美国西门子医疗解决公司 | The intracardiac echocardiogram conduit of acoustics ablation auxiliary |
-
2012
- 2012-05-08 CN CN2012202034136U patent/CN202589667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455883A (en) * | 2015-12-18 | 2016-04-06 | 苏州市立普医疗科技有限公司 | Puncture frame |
| CN107789011A (en) * | 2016-09-07 | 2018-03-13 | 美国西门子医疗解决公司 | The intracardiac echocardiogram conduit of acoustics ablation auxiliary |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130508 |