CN210250096U - Simple positioning ruler for semi-automatic biopsy needle - Google Patents
Simple positioning ruler for semi-automatic biopsy needle Download PDFInfo
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- CN210250096U CN210250096U CN201920623398.2U CN201920623398U CN210250096U CN 210250096 U CN210250096 U CN 210250096U CN 201920623398 U CN201920623398 U CN 201920623398U CN 210250096 U CN210250096 U CN 210250096U
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- angle
- bevel protractor
- shaped clamp
- biopsy needle
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Abstract
The utility model belongs to the technical field of medical auxiliary instrument, a simple and easy location chi of semi-automatic type biopsy needle is disclosed, including being sectorial bevel protractor, and fan-shaped angle is 90, the arc limit department of bevel protractor is equipped with the angle scale mark, two right-angle sides department of bevel protractor all is equipped with the length scale mark, fan-shaped terminal surface equidistant a plurality of arc scale marks that are provided with of bevel protractor, the centre of a circle of arc scale mark and the coincidence of the centre of a circle of bevel protractor, the pivot is worn to be equipped with by the right angle department of bevel protractor, the pivot is rotated with the bevel protractor and is connected, the bevel protractor is equipped with the U-shaped clamp, the both ends of U-shaped clamp can be dismantled with the both ends of. This device can assist when medical personnel operate biopsy needle and carry out the accurate positioning, has avoided carrying out CT location and needle insertion repeatedly because medical personnel's experience is not enough, and labour saving and time saving has alleviateed patient's misery, has reduced the risk that the patient exposes pathological change under the CT ray for a long time.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary equipment, in particular to a simple positioning ruler of a semi-automatic biopsy needle.
Background
The semi-automatic biopsy needle is a medical instrument, is suitable for various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like, and can be used for biopsy sampling and cell suction examination of solid tumors, unidentified tumors and the like. The external needle can be used for injection of hemostatic, treatment and the like.
In actual work, percutaneous lung puncture under CT guidance often needs to adjust the angle of inserting the needle and the size of inserting the needle, the guide needle is provided with no scales, about 1cm is one grid, the accurate positioning is not facilitated, adjustment is completely carried out by depending on personal feeling and skill experience of an operator, and the pain of a patient and the risk of ray exposure are increased by repeated CT positioning, time consumption and labor consumption sometimes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple and easy location chi of semi-automatic type biopsy needle solves the inaccurate problem of location when current semi-automatic biopsy needle uses.
The utility model provides a basic scheme that: the utility model provides a simple and easy location chi of semi-automatic type biopsy needle, is including being sectorial bevel protractor, and fan-shaped angle is 90, the arc limit department of bevel protractor is equipped with the angle scale mark, two right-angle sides department of bevel protractor all is equipped with the length scale mark, the fan-shaped terminal surface equidistant of bevel protractor is provided with a plurality of arc scale marks, the centre of a circle of arc scale mark and the coincidence of the centre of a circle of bevel protractor, the pivot is worn to be equipped with in the right angle department of bevel protractor, and the pivot is rotated with the bevel protractor and is connected, the bevel protractor is equipped with the U-shaped clamp, and the both ends of U-shaped clamp can be dismantled with the both ends of pivot respectively.
Working principle of basic scheme: medical personnel is according to the CT guide, at patient's body surface mark needle insertion position, then laminate bevel protractor and patient's body surface, the right angle point alignment needle insertion position of bevel protractor, judge the required angle and the degree of depth of needle insertion according to CT again, adjustment U-shaped clamp to needle insertion angle, medical personnel is along the angle slope of U-shaped clamp with the biopsy needle again, and be close to needle insertion position with the syringe needle, the direction along the U-shaped clamp begins needle insertion, observe the radian line on the biopsy needle process fan-shaped terminal surface when the needle insertion, with the size of reading needle insertion, when the needle insertion size reaches the degree of depth that judges before, stop needle insertion, and finely tune, organize the sample and reach the degree of depth before at lastWithdrawing the needle.
The basic scheme has the advantages that: this device can assist when medical personnel operate biopsy needle and carry out the accurate positioning, has avoided carrying out CT location and needle insertion repeatedly because medical personnel's experience is not enough, and labour saving and time saving has alleviateed patient's misery, has reduced the risk that the patient exposes under the CT ray repeatedly.
Further, the method can be used for preparing a novel materialThe outer end face of the U-shaped clamp is detachably bonded with a lantern ring, the axis of the lantern ring is parallel to the axis of the U-shaped clamp, and the inner diameter of the lantern ring is the same as the diameter of an outer sleeve needle of the biopsy needle.
Through the arrangement, the biopsy needle can be inserted along a set angle, the needle inserting angle deviation caused by hand shake or misoperation of medical personnel is avoided, and the efficiency is improved.
Further, the method can be used for preparing a novel materialThe inner end surface of the U-shaped clamp is in clearance fit with the end surface of the angle ruler.
Through the arrangement, the inner end face of the U-shaped clamp is prevented from being worn on the end face of the angle ruler, so that the scale marks are blurred and cannot be used, and the service life of the device is prolonged.
Further, the method can be used for preparing a novel materialThe magnetic angle ruler is characterized in that a magnetic layer covers the side face of the arc-shaped end of the angle ruler, a pull rod penetrates through the bottom of the U-shaped clamp, a magnet attracted with the magnetic layer in a polarity mode is fixedly connected to the end portion, close to the angle ruler, of the pull rod, a cap is arranged at the end portion, far away from the angle ruler, of the pull rod, and a spring is arranged on the pull rod sleeve between the cap and the U-shaped clamp.
Through the arrangement, the U-shaped clamp can be conveniently fixed after being adjusted, and the problem that the U-shaped clamp is loosened to cause needle inserting angle errors is avoided.
Further, the method can be used for preparing a novel materialThe U-shaped clamp is provided with an opening, and the opening is used for observing angle scale marks shielded by the U-shaped clamp.
Through the arrangement, the U-shaped clamp is positioned more accurately.
Further, the method can be used for preparing a novel materialThe angle ruler is made of transparent plastic materials.
Through the arrangement, both sides of the device can be operated, and convenience is brought to a left-handed person when the device is used.
Drawings
FIG. 1 is a schematic structural view of a simple positioning ruler of a semi-automatic biopsy needle according to the present invention;
fig. 2 is a cross-sectional view of the bottom of the U-shaped clamp of the simple positioning ruler of the semi-automatic biopsy needle of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the angle scale comprises an angle ruler 1, angle scale marks 2, length scale marks 3, arc scale marks 4, a rotating shaft 5, a U-shaped clamp 6, a lantern ring 7, an opening 8, a magnetic layer 9, a magnet 10, a pull rod 11, a spring 12 and a cap 13.
Embodiment as shown in fig. 1, a simple positioning ruler for a semi-automatic biopsy needle comprises a fan-shaped angle ruler 1, wherein the fan-shaped angle is 90 degrees, and the angle ruler 1 is made of transparent plastic materials. The arc limit department of angle ruler 1 is equipped with angle scale mark 2, two right-angle sides department of angle ruler 1 all is equipped with length scale mark 3, fan-shaped terminal surface equidistant of angle ruler 1 is provided with a plurality of arc scale mark 4, the interval width of arc scale mark 4 can be read by the length scale mark 3 of right-angle side department, the centre of a circle of arc scale mark 4 coincides with the centre of a circle of angle ruler 1, pivot 5 is worn to be equipped with by the right angle department of angle ruler 1, pivot 5 rotates with angle ruler 1 to be connected, the axis of pivot 5 intersects with the right angle bisector of angle ruler 1.
The lantern ring 7 is detachably bonded on the outer end face of the U-shaped clamp 6, the axis of the lantern ring 7 is parallel to that of the U-shaped clamp 6, the inner diameter of the lantern ring 7 is the same as the diameter of the outer sleeve needle of the biopsy needle, the biopsy needle can be inserted along a set angle, the needle inserting angle deviation caused by hand shaking or misoperation of medical staff is avoided, and the efficiency is improved.
The U-shaped clamp 6 is further provided with an opening 8, the opening 8 is located above the arc-shaped scale marks 4, and the opening 8 is used for observing the angle scale marks 2 shielded by the U-shaped clamp 6, so that the positioning is more accurate.
Referring to fig. 2, a magnetic layer 9 covers the side surface of the arc-shaped end of the angle ruler 1, a pull rod 11 penetrates through the bottom of the clevis 6, a magnet 10 attracted to the magnetic layer 9 in polarity is fixedly connected to the lower end of the pull rod 11, a cap 13 is arranged at the upper end of the pull rod 11, a spring 12 is sleeved on the pull rod 11 between the cap 13 and the clevis 6, and when the spring 12 is in a normal state, the magnet 10 is attached to the magnetic layer 9, so that the problem that the clevis 6 is loosened to cause a needle insertion angle error is avoided.
During specific work, medical personnel mark the needle inserting position on the body surface of a patient according to CT guidance, then attach the angle ruler 1 to the body surface of the patient, align the needle inserting position with the right angle point of the angle ruler 1, judge the required angle and depth of needle insertion according to CT, pull up the pull rod 11, separate the magnet 10 from the magnetic layer 9, adjust the U-shaped clamp 6 to the needle inserting angle, release the hand to pull the magnet 10 and the magnetic layer 9, and fix the U-shaped clamp 6. The medical staff again with the biopsy needle along the angle slope of U-shaped clamp 6, outer needle passes lantern ring 7 and with the syringe needle be close to the position of inserting the needle, along the directional start needle insertion of U-shaped clamp 6, observe the radian line that the biopsy needle passes on fan-shaped terminal surface when inserting the needle to read the size of inserting the needle, when the depth that the size of inserting the needle reaches earlier judgement, stop inserting the needle, and the fine setting carries out, organizes the sample at last and moves back the needle.
The above embodiments of the present invention are only examples, and the common knowledge of the known specific structures and characteristics in the schemes is not described too much, it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides a simple and easy location chi of semi-automatic type biopsy needle which characterized in that: including being sectorial bevel protractor (1), and fan-shaped angle is 90, the arc limit department of bevel protractor (1) is equipped with angle scale mark (2), two right-angle sides departments of bevel protractor (1) all are equipped with length scale mark (3), the fan-shaped terminal surface equidistance of bevel protractor (1) is provided with a plurality of arc scale mark (4), the centre of a circle of arc scale mark (4) and the centre of a circle coincidence of bevel protractor (1), pivot (5) are worn to be equipped with in the right angle department of bevel protractor (1), and pivot (5) rotate with bevel protractor (1) and are connected, bevel protractor (1) are equipped with U-shaped clamp (6), and the both ends of U-shaped clamp (6) can be dismantled with the both ends of pivot (5) respectively and be connected, the length that U-shaped clamp (6) is greater than the right-angle side.
2. The simple positioning ruler of semi-automatic biopsy needle according to claim 1, characterized in that: the outer end face of the U-shaped clamp (6) is detachably bonded with a lantern ring (7), the axis of the lantern ring (7) is parallel to the axis of the U-shaped clamp (6), and the inner diameter of the lantern ring (7) is the same as the diameter of an outer sleeve needle of the biopsy needle.
3. The simple positioning ruler of semi-automatic biopsy needle according to claim 1, characterized in that: the inner end surface of the U-shaped clamp (6) is in clearance fit with the end surface of the angle ruler (1).
4. A simple positioning rule for semi-automatic biopsy needle according to claim 3, characterized in that: the side of the arc-shaped end of the angle ruler (1) is covered with a magnetic layer (9), a pull rod (11) is arranged at the bottom of the U-shaped clamp (6) in a penetrating mode, a magnet (10) which is attracted with the magnetic layer (9) in a fixedly connected mode is arranged at the end portion, close to the angle ruler (1), of the pull rod (11), a cover cap (13) is arranged at the end portion, far away from the angle ruler (1), of the pull rod (11), and a spring (12) is sleeved on the pull rod (11) between the cover cap (13) and the U-shaped clamp (6).
5. The simple positioning ruler of semi-automatic biopsy needle according to claim 1, characterized in that: an opening (8) is formed in the U-shaped clamp (6), and the opening (8) is used for observing angle scale marks (2) shielded by the U-shaped clamp (6).
6. The simple positioning ruler of semi-automatic biopsy needle according to claim 1, characterized in that: the angle ruler (1) is made of transparent plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623398.2U CN210250096U (en) | 2019-05-05 | 2019-05-05 | Simple positioning ruler for semi-automatic biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623398.2U CN210250096U (en) | 2019-05-05 | 2019-05-05 | Simple positioning ruler for semi-automatic biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210250096U true CN210250096U (en) | 2020-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920623398.2U Expired - Fee Related CN210250096U (en) | 2019-05-05 | 2019-05-05 | Simple positioning ruler for semi-automatic biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210250096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115035124A (en) * | 2022-08-15 | 2022-09-09 | 南京伟思医疗科技股份有限公司 | Guide pin calculation method of follow-up positioning system based on Harris angular point detection |
-
2019
- 2019-05-05 CN CN201920623398.2U patent/CN210250096U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115035124A (en) * | 2022-08-15 | 2022-09-09 | 南京伟思医疗科技股份有限公司 | Guide pin calculation method of follow-up positioning system based on Harris angular point detection |
| CN115035124B (en) * | 2022-08-15 | 2022-11-11 | 南京伟思医疗科技股份有限公司 | Guide pin calculation method of follow-up positioning system based on Harris angular point detection |
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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: 20200407 Termination date: 20210505 |