CN100496423C - B-ultrasonic superficial vein puncturing gun and method for computing length of inserting needle - Google Patents
B-ultrasonic superficial vein puncturing gun and method for computing length of inserting needle Download PDFInfo
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- CN100496423C CN100496423C CNB2007101150735A CN200710115073A CN100496423C CN 100496423 C CN100496423 C CN 100496423C CN B2007101150735 A CNB2007101150735 A CN B2007101150735A CN 200710115073 A CN200710115073 A CN 200710115073A CN 100496423 C CN100496423 C CN 100496423C
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Abstract
The utility model relates to a superficial venipuncture spear guided by type-B ultrasonic and a calculation method of the needle insertion length, which comprises a type-B ultrasonic high frequency linear-array probe (2), the overall trend axes (15) of a puncture frame (5) is at an angle of 30 degrees to the bottom surface of the type-B ultrasonic high frequency linear-array probe (2); a puncture bolt (10) is slide-arranged on the puncture frame (5), a puncture needle (11) is fixedly connected with the puncture bolt (10), the needle shank trend of the puncture needle (11) is parallel to the overall trend axes (15) of the puncture frame (5); the front-end of the puncture frame (5) is slide-connected with a locating bolt (4); the front-end of the puncture frame (5) is also provided with a size scale mark (12). The utility model realizes an accurate superficial venipuncture guided by type-B ultrasonic, has a convenient and quick operation, and avoids the pain of patients caused by repeating punctures for seeking the blood vessel.
Description
Technical field
The present invention relates to a kind of sting device, particularly a kind of shallow table vein puncture device.And relate to the needling length computational methods of described shallow table vein puncture device.
Background technology
Shallow table venipuncture is a kind of regular medical procedure, and existing way is to rely on impression with the manual inserting needle of nationality experience.It is cumbersome on the one hand to seek vein blood vessel, and needle angle, needling length are difficult to accurate grasp, particularly fat for some, blood vessel is thin, vasoconstrictive patient; On the other hand, because manually the speed of inserting needle is slower, bring bigger misery to patient.
At present, B ultrasonic guiding localised puncture device is a lot of on the market.Its general structure is fixed mount to be fixed on the Ultrasonic-B probe, and on fixed mount sting device to be installed.Because puncture angle and puncture needling length need manually to grasp under the B ultrasonic guiding and finish, the actual sexual organ that can only be used to puncture and big focus can't realize shallow table venipuncture.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of B ultrasonic to guide shallow table venipuncture rifle and needling length computational methods, can accurately set in advance needle angle and needling length by this puncture rifle, and realize the moment quick needle insertion.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A kind of B ultrasonic guides shallow table venipuncture rifle, comprise B ultrasonic high-frequency linear array probe and puncture needle, be fixed with fixed mount in B ultrasonic high-frequency linear array probe bottom, it is characterized in that: the side at fixed mount is fixed with the puncture supporter that is obliquely installed, and the integral body of this puncture supporter moves towards axis and B ultrasonic high-frequency linear array probe bottom surface is 30 ° of angles; Be slidingly fitted with the puncture bolt on puncture supporter, the needle handle of puncture needle is fixedly connected on the puncture bolt, and it is parallel that the needle body trend and the integral body of puncture supporter of puncture needle is moved towards axis; Slidely connect pilot pin at the puncture supporter front end; Also be provided with the size scale line at the puncture supporter front end.
Described fixed mount bottom surface and B ultrasonic high-frequency linear array probe bottom surface are in same plane.
In the puncture supporter rear end spring is installed, the front end of spring and puncture tie and connect; Between puncture supporter and puncture bolt, excitation apparatus is installed.
Described excitation apparatus is: by the rotating shaft frame rotating shaft is installed on puncture supporter; The trigger middle part connects rotating shaft, and front end is connected with the trigger hole that is opened on the puncture bolt.
A kind of B ultrasonic guides the needling length computational methods of shallow table venipuncture rifle, it is characterized in that:
1), records the vertical dimension of shallow table vein center and skin surface, i.e. paracentesis depth H by B ultrasonic high-frequency linear array probe;
2), according to the plane geometry formula " in the right angled triangle, 30 ° of angles right right-angle side be half of hypotenuse length ", subcutaneous needling length L
1=2H;
3), the needle body length L of puncture needle is known, can calculate inserting needle length L on the skin
2=L-L
1
This computed information L
2Be the foundation of the corresponding point of pilot pin and the corresponding footage number of size scale line, take this to adjust the position location of pilot pin, after guaranteeing that puncture needle is excited, syringe needle was positioned at the injection point of shallow table vein center when the puncture bolt contacted with pilot pin.
Good effect of the present invention is: (1), record the blood vessel degree of depth by B ultrasonic high-frequency linear array probe, it is scaled subcutaneous needling length, and then can calculate needling length on the skin, fasten accurate position by the definite location of the comparison of the size scale line on slip pilot pin and the puncture supporter, after guaranteeing that puncture needle is excited, syringe needle was positioned at the blood vessel center point when puncture bolt contacted with pilot pin.Realized the accurate shallow table venipuncture under the B ultrasonic guiding.Convenient to operation, avoided to seeking the misery that the blood vessel repeated localised puncture is brought to patient.(2), the direction that will puncture is designed to be 30 ° of angles with B ultrasonic high-frequency linear array probe bottom surface, guarantee more to meet the medical care precess rules on the one hand, the ingenious on the other hand plane geometry formula that utilized is (in the right angled triangle, 30 ° of angles right right-angle side be half of hypotenuse length), it is more convenient to make various sizes calculate.(3), realized that moment excites puncture, alleviated puncture pain degree to the patient.And can cover puncture needle, alleviate the patients ' psychological feeling of terror.(4), can alleviate nursing staff's workload and working strength significantly, improve puncture success rate and puncture efficient, and effectively reduce blood vessel injury and the infection that causes because of puncture.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a schematic top plan view of the present invention.
Fig. 3 is the design principle figure that shows needle angle of the present invention and length.
The specific embodiment
Further describe the present invention below in conjunction with accompanying drawing and instantiation.
As shown in Figure 1, 2, this example comprises the B ultrasonic high-frequency linear array probe 2 that has lead 3.Be fixed with fixed mount 1 in B ultrasonic high-frequency linear array 2 bottoms of popping one's head in, this fixed mount 1 bottom surface and B ultrasonic high-frequency linear array 2 bottom surfaces of popping one's head in are in same plane.Side at fixed mount 1 is fixed with the puncture supporter 5 that is obliquely installed, and the integral body of this puncture supporter 5 is moved towards axis 15 and B ultrasonic high-frequency linear array 2 bottom surfaces of popping one's head in and is 30 ° of angles.The setting of puncture supporter 5, the integral body that require to guarantee puncture supporter 5 are moved towards axis 15 and are met at the B ultrasonic high-frequency linear array downward vertical line of 2 central points (this line and B ultrasonic high-frequency linear array pop one's head in 2 bottom surfaces vertical) of popping one's head in.The integral body of described puncture supporter 5 is moved towards the centrage that axis 15 also is a puncture supporter 5.
Be slidingly fitted with puncture bolt 10 on puncture supporter 5, the needle handle that the rear end has the puncture needle 11 of tube for transfusion 9 is fixedly connected on the puncture bolt 10, and it is parallel that the needle body trend and the integral body of puncture supporter 5 of puncture needle 11 is moved towards axis 15.The sliding rail of this puncture bolt 10 is puncture supporter 5 or is positioned at specific track on the puncture supporter 5, described sliding rail is a two-orbit, to move towards axis 15 parallel with the integral body of puncture supporter 5 for its trend, is 30 ° of angles with the needle body trend that guarantees puncture needle 11 and B ultrasonic high-frequency linear array 2 bottom surfaces of popping one's head in.
At puncture supporter 5 front ends pilot pin 4 is installed, this pilot pin 4 is slidingly connected on the puncture supporter 5, can fix on puncture supporter 5 after sliding into desired location.Also be provided with size scale line 12 at puncture supporter 5 front ends, in order to accurately to determine the fixed position of pilot pin 4.
In puncture supporter 5 rear ends spring 8 is installed, the front end of spring 8 is connected with puncture bolt 10.On puncture supporter 5, also rotating shaft 6 is installed by rotating shaft frame 14.Trigger 7 middle parts connect rotating shaft 6, and front end is connected with the trigger hole 13 that is opened on the puncture bolt 10.Extrusion spring 8 when puncture bolt 10 retreats is located by the spring 8 that will be connected after will being compressed in trigger 7 and trigger hole 13.Cocking 7 destroys being connected of trigger 7 and trigger hole 13, and retracting spring 8, puncture bolt 10 carry puncture needle 11 inserting needle that travels forward.
As shown in Figure 3, the O point that is positioned on the skin 16 is the zero point of described size scale line 12, also is point of puncture, its be positioned at the B ultrasonic high-frequency linear array pop one's head in 2 baseplanes with move towards the cross point of axis 15 with the integral body of puncture supporter 5.The A point is the contact point of puncture needle 11 syringe needle tail ends and puncture bolt 10, also is the corresponding point of pilot pin 4 and size scale line 12 corresponding footage numbers.The D point is the contact (central point) of B ultrasonic high-frequency linear array probe 2 with skin 16.The C point is for being positioned at the injection point at shallow table vein 17 centers, and just puncture needle 11 excites impact point.The line AB that B on A point and shallow table vein 17 centrages is ordered is perpendicular to shallow table vein 17 centrages, and the line CD that the D on C point and skin 16 surfaces is ordered is perpendicular to skin 16 surfaces.Δ ABC is a right angled triangle, and α=30 °.
Record DC, vertical dimension (paracentesis depth) H on promptly shallow table vein 17 centers and skin 16 surfaces, subcutaneous needling length L by B ultrasonic high-frequency linear array probe 2
1=CO=2H because the needle body length L of puncture needle 11 is known, can calculate needling length OA, i.e. L on the skin
2=L-L
1This computed information is the foundation of the corresponding point of pilot pin 4 and size scale line 12 corresponding footage numbers, takes this position location of adjustable whole pilot pin 4, and after guaranteeing that puncture needle 11 is excited, syringe needle was positioned at the C point when puncture bolt 10 contacted with pilot pin 4.
Claims (4)
1, a kind of B ultrasonic guides shallow table venipuncture rifle, comprise B ultrasonic high-frequency linear array probe (2) and puncture needle (11), be fixed with fixed mount (1) in B ultrasonic high-frequency linear array probe (2) bottom, it is characterized in that: the side at fixed mount (1) is fixed with the puncture supporter (5) that is obliquely installed, and the integral body of this puncture supporter (5) is moved towards axis (15) and is 30 ° of angles with B ultrasonic high-frequency linear array probe (2) bottom surface; Be slidingly fitted with puncture bolt (10) on puncture supporter (5), the needle handle of puncture needle (11) is fixedly connected on the bolt (10) that punctures, and it is parallel that the needle body trend and the integral body of puncture supporter (5) of puncture needle (11) is moved towards axis (15); Slidely connect pilot pin (4) at puncture supporter (5) front end; Also be provided with size scale line (12) at puncture supporter (5) front end.
2, B ultrasonic as claimed in claim 1 guides shallow table venipuncture rifle, it is characterized in that: described fixed mount (1) bottom surface and B ultrasonic high-frequency linear array probe (2) bottom surface are in same plane.
3, B ultrasonic as claimed in claim 1 guides shallow table venipuncture rifle, it is characterized in that: in puncture supporter (5) rear end spring (8) is installed, the front end of spring (8) is connected with puncture bolt (10); Between puncture supporter (5) and puncture bolt (10), excitation apparatus is installed.
4, B ultrasonic as claimed in claim 3 guides shallow table venipuncture rifle, and it is characterized in that: described excitation apparatus is: go up at puncture supporter (5) and by rotating shaft frame (14) rotating shaft (6) is installed; Trigger (7) middle part connects rotating shaft (6), and front end is connected with the trigger hole (13) that is opened on the puncture bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101150735A CN100496423C (en) | 2007-12-01 | 2007-12-01 | B-ultrasonic superficial vein puncturing gun and method for computing length of inserting needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101150735A CN100496423C (en) | 2007-12-01 | 2007-12-01 | B-ultrasonic superficial vein puncturing gun and method for computing length of inserting needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101176678A CN101176678A (en) | 2008-05-14 |
| CN100496423C true CN100496423C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101150735A Expired - Fee Related CN100496423C (en) | 2007-12-01 | 2007-12-01 | B-ultrasonic superficial vein puncturing gun and method for computing length of inserting needle |
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| CN (1) | CN100496423C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186422B (en) * | 2009-02-13 | 2013-06-12 | 计算机逻辑公司 | Ultrasonic bone assessment apparatus and method |
| AU2012278809B2 (en) * | 2011-07-06 | 2016-09-29 | C.R. Bard, Inc. | Needle length determination and calibration for insertion guidance system |
| CN106267473A (en) * | 2016-09-23 | 2017-01-04 | 河北工业大学 | Hand back vein injection instrument based on infrared imagery technique |
| CN108784795A (en) * | 2018-04-17 | 2018-11-13 | 北京麦格优品商贸有限公司 | Puncturing operation targeting guide plate |
| CN109620411B (en) * | 2018-12-18 | 2023-09-05 | 中国科学院苏州生物医学工程技术研究所 | Needle insertion mechanism for minimally invasive surgery puncture robot |
| CN110179548B (en) * | 2019-06-27 | 2021-01-08 | 浙江大学医学院附属第一医院 | Method for predicting catheter placement length of PICC catheter with front end trimming |
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2007
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| CN101176678A (en) | 2008-05-14 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20101201 |