CN215739329U - CT puncture angle fixer - Google Patents
CT puncture angle fixer Download PDFInfo
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- CN215739329U CN215739329U CN202121490234.0U CN202121490234U CN215739329U CN 215739329 U CN215739329 U CN 215739329U CN 202121490234 U CN202121490234 U CN 202121490234U CN 215739329 U CN215739329 U CN 215739329U
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Abstract
The utility model discloses a CT puncture angle fixer in the technical field of needle biopsy, which comprises a bottom plate, a fixing plate and a fixing plate, wherein the bottom plate is a strip-shaped flat plate, the top of the bottom plate is provided with a plurality of positioning grooves, the positioning grooves are sequentially and horizontally arranged in the same straight line, and the horizontal axes of the positioning grooves are the same; the frame faller, for rectangular platelike structure, one end is equipped with the angle modulation round pin, the other end is equipped with the connecting axle, a support needle groove has been seted up to the lateral surface, the step that can the simplified operation, the angle is controlled when helping the doctor with handheld pjncture needle, no longer rely on doctor's experience and handheld approximate angle scope completely, this device can accurately assist doctor's pjncture needle and insert human angle, the reliability is high, can also assist the stable pjncture needle that erects of doctor, as long as paste and lean on this device, just can ensure stable the erectting, avoid lasting the pjncture needle of gripping to lead to finger fatigue and tremble, and easy operation.
Description
Technical Field
The utility model relates to the technical field of needle biopsy, in particular to a CT puncture angle fixer.
Background
The needle biopsy (called biopsy punch biopsy) has the advantages that: the method is simple and convenient, can be carried out under local anesthesia in an outpatient clinic, has small damage to tissues and less bleeding, is safer, has less chance of infection, does not influence early chemotherapy or radiotherapy, and is usually operated by one person. In recent years, the success rate of puncture biopsy under the guidance of CT, MRI ultrasound and fluoroscopy is improved, the accuracy of the Saifuddin puncture biopsy with ultrasound image positioning in 2000 is up to 98.4%, and multiple times of puncture can be performed if necessary; the defect is that the material taking amount is less, the experience is insufficient or the material taking part is improper, a representative tumor tissue is obtained when a tumor area is not punctured, an accurate conclusion is difficult to be obtained, even an error conclusion is made, and the success rate of the needle biopsy is 77.5-97.0% (average 80%) according to domestic reports.
At present, needle biopsy has been developed into a plurality of modes such as spinal puncture, lung puncture, CT image puncture, etc., but these operations are used for detecting any part or using any device, as long as the puncture detection needs a doctor to puncture the human body with a puncture needle, the operation difficulty of the puncture is large, the accuracy is not enough, the main reason is that the operation depends on the experience of the doctor, and the judgment of the puncture position and the puncture path planning before the operation are already performed.
The operation of the current examination operation basically depends on the experience of doctors and the stability of holding, but a doctor can achieve skilled operation, the exercise time and the cost are too large, the position of a focus needs to be searched, long-term training and experience are also needed for judgment, the accuracy is not high, and the doctor who becomes the skilled operation is too difficult.
Based on the above, the utility model designs a CT puncture angle fixer to solve the above problems.
Disclosure of Invention
The utility model aims to provide a CT puncture angle fixer which can simplify the operation steps, help a doctor to control the angle when the doctor holds a puncture needle, does not depend on the experience of the doctor and the approximate hand-holding angle range, can accurately assist the doctor to insert the puncture needle into the angle of a human body, has high reliability, can assist the doctor to stably erect the puncture needle, can ensure stable erection as long as the device is attached to the device, avoids the fatigue and the trembling of fingers caused by holding the puncture needle for a long time, and is simple to operate.
The utility model is realized by the following steps: a CT puncture angle holder, comprising:
the bottom plate is a strip-shaped flat plate, the top of the bottom plate is provided with a plurality of positioning grooves, the positioning grooves are sequentially and horizontally arranged on the same straight line, and the horizontal axes of the positioning grooves are the same;
the corner frame plate is a protractor, angle scales are arranged on the arc edge of the corner frame plate, a positioning rotating shaft is arranged at the bottom of the corner frame plate, and the corner frame plate can be rotatably erected at one end of the bottom plate through the positioning rotating shaft;
the frame needle plate is of a long strip plate-shaped structure, a needle supporting groove is formed in the outer side surface of the frame needle plate, an angle adjusting pin is arranged at one end of the frame needle plate, the frame needle plate can be rotatably clamped outside the corner frame plate through the angle adjusting pin, the frame needle plate and the corner frame plate are attached in parallel, the angle adjusting pin is located in the circle center of an outer circular arc of the corner frame plate, and the rotating axis of the frame needle plate is the angle adjusting pin;
the needle supporting grooves penetrate through the left side and the right side of the frame needle plate;
one end of the angle adjusting plate is provided with a connecting shaft which can be rotatably connected to the corner frame plate, and the other end of the angle adjusting plate is fixedly provided with a clamping plate;
the clamping plates can be tightly inserted into any positioning groove in a separated manner.
Furthermore, a positioning groove for clamping the angle adjusting plate is arranged at each 5-degree difference of an included angle A between the corner frame plate and the bottom plate, and the included angle A is between 5 degrees and 90 degrees;
and angle marks corresponding to the included angle A are marked on each different positioning groove.
Furthermore, the needle supporting groove is a V-shaped groove with a wide opening and a narrow bottom, the needle supporting groove is formed in a central axis of the outer side face of the needle plate, the needle supporting groove does not penetrate through the upper side and the lower side of the needle plate, and the needle supporting groove penetrates through the left side and the right side of the needle plate; the projection of the transverse middle lines of the angle adjusting plate and the bottom plate on the horizontal plane is overlapped.
Furthermore, the width m of the opening at the top of the groove of the needle supporting groove is between 3 and 12mm, and the opening at the top of the groove of the needle supporting groove is also provided with a transverse length mark.
Further, the clamping plate and the positioning groove are in transition fit.
Further, the bottom of bottom plate has still set firmly the slipmat, the slipmat is self-adhesion silica gel piece.
Furthermore, be equipped with anti-skidding line on the contact surface of frame faller and corner frame plate, it is inseparable that frame faller passes through angle adjusting pin joint with the corner frame plate, the frame faller uses the angle adjusting pin to rotate as the circumference on the outside plane of corner frame plate as the axis.
The utility model has the beneficial effects that: 1. the anti-slip device can be stably adhered to the skin of a surgical site through the anti-slip pad and is not easy to slip, the surgical puncture position can be more conveniently and more accurately positioned through the rotation adjustment of the frame needle plate and the angle adjusting plate on the bottom plate, the sticking positioning can be repeatedly carried out after the position is determined, the angle of the puncture needle is fixed through the frame needle plate and the angle adjusting plate, the insertion angle positioning of the puncture needle for surgery is facilitated, the temporary judgment is not needed, the operation is more based, the judgment of a doctor is assisted to be more accurate, the assistance of the angle positioning can be provided for the clinical operation of the doctor, and the artificial judgment error is reduced;
2. the device can support the puncture needle through the needle supporting groove, can more conveniently support the puncture needle, avoids shaking caused by the force release of fingers when a doctor operates, and can provide more labor-saving support assistance for the doctor during operation;
3. the needle supporting groove of the device is a V-shaped groove, the needle supporting groove can be more suitable for a circular needle supporting groove, and the puncture needle can be ensured not to sideslip or roll when erected in the needle supporting groove no matter how large the diameter of the puncture needle is, so that the puncture needle can be ensured to be stably erected.
Drawings
The utility model will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the base plate of the present invention;
FIG. 3 is a top view of the assembly of the frame needle plate and angle adjustment plate of the present invention;
FIG. 4 is a schematic side view of the assembled needle bar and angle adjustment plate of the present invention;
fig. 5 is a schematic front view of the needle board of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the anti-skid device comprises a needle mounting plate 1, a needle supporting groove 11, an angle adjusting pin 12, an angle adjusting plate 2, a connecting shaft 21, a clamping plate 22, a bottom plate 3, a positioning groove 31, an anti-skid pad 32, a corner frame plate 4, an angle scale 41 and a positioning rotating shaft 42.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a technical solution: a CT puncture angle holder, comprising:
the bottom plate 3 is a strip-shaped flat plate, the top of the bottom plate is provided with a plurality of positioning grooves 31, the positioning grooves 31 are sequentially and horizontally arranged on the same straight line, and the horizontal axes of the positioning grooves 31 are the same;
the corner frame plate 4 is a protractor, the arc edge of the corner frame plate is provided with angle scales 41, the bottom of the corner frame plate is provided with a positioning rotating shaft 42, and the corner frame plate 4 is rotatably erected at one end of the bottom plate 3 through the positioning rotating shaft 42;
the needle mounting plate 1 is of a long strip-shaped plate structure, a needle supporting groove 11 is formed in the outer side surface of the needle mounting plate 1, an angle adjusting pin 12 is arranged at one end of the needle mounting plate, the needle mounting plate 1 can be clamped on the outer side of the corner frame plate 4 in a rotating mode through the angle adjusting pin 12, the needle mounting plate 1 and the corner frame plate 4 are attached in parallel, the angle adjusting pin 12 is located in the circle center of an outer circular arc of the corner frame plate 4, and the rotating axis of the needle mounting plate 1 is the angle adjusting pin 12;
the needle supporting grooves 11 penetrate through the left side and the right side of the needle plate 1;
one end of the angle adjusting plate 2 is provided with a connecting shaft 21, the angle adjusting plate is rotatably connected to the corner frame plate 4 through the connecting shaft 21, and the other end of the angle adjusting plate is fixedly provided with a clamping plate 22;
the clamping plate 22 can be tightly inserted into any positioning groove 31 in a separated mode, the personnel problem of operation can be simplified, the angle is difficult to control when the puncture needle is held by hands, the device is completely dependent on doctor experience and general handheld angles, the puncture needle can accurately assist a doctor to insert into the angle of a human body, the reliability is high, the puncture needle can be stably erected by assisting the doctor, the stable erection can be ensured as long as the puncture needle is attached to the device, and the operation is simple.
Wherein, a positioning groove 31 for clamping the angle adjusting plate 2 is arranged at each 5-degree difference of an included angle A between the corner frame plate 4 and the bottom plate 3, and the included angle A is between 5 degrees and 90 degrees;
each different positioning groove 31 is marked with an angle mark corresponding to the included angle A, so that a doctor can accurately judge the puncture angle of the puncture needle on site, and does not depend on experience judgment completely, the device can more stably and accurately assist the puncture angle, namely, the included angle between the needle support plate 1 and the bottom plate 3 is A, and the needle support plate 1 where the needle supporting groove 11 is located and the corner frame plate 4 are parallel to each other, so that the included angle between the needle support groove 11 and the bottom plate 3 can be adjusted conveniently, and the size of the included angle is consistent with the angle A;
the needle supporting grooves 11 are v-shaped grooves with wide openings and narrow bottoms, the needle supporting grooves 11 are formed in the central axis of the outer side face of the needle plate 1, the needle supporting grooves 11 do not penetrate through the upper side and the lower side of the needle plate 1, and the needle supporting grooves 11 penetrate through the left side and the right side of the needle plate 1; the projections of the transverse center lines of the angle adjusting plate 2 and the bottom plate 3 on the horizontal plane are overlapped, so that when a puncture needle is inserted along the needle supporting groove 11, the angle is accurate, the direction can be stable and accurate, the deviation of puncture caused by the angle deviation among the needle supporting groove 11, the needle plate frame 1, the angle adjusting plate 2 and the bottom plate 3 is avoided, and the device can assist a doctor in puncture operation more accurately;
the width m of the top opening of the groove of the needle supporting groove 11 is 3-12mm, and the top opening of the groove of the needle supporting groove 11 is also provided with a transverse length mark, so that the puncture needle can adapt to puncture needles with various diameters, the insertion depth of the puncture needle can be recorded in an auxiliary manner, and the length of the puncture needle can be compared correspondingly;
the clamping plate 22 and the positioning groove 31 are in transition fit, so that the angle adjusting plate 2 can be stably erected on the bottom plate 3 and cannot shake;
the bottom of the bottom plate 3 is fixedly provided with the anti-slip pad 32, and the anti-slip pad 32 is a self-adhesive silica gel sheet, so that the anti-slip pad 32 can be tightly adhered to the surface of skin, the skin cannot be damaged when the anti-slip pad is torn off, and the bottom plate 3 can be stably erected;
be equipped with anti-skidding line on the contact laminating face of frame faller 1 and corner frame plate 4, frame faller 1 is inseparable through 12 joints of angle modulation round pin with corner frame plate 4, frame faller 1 uses angle modulation round pin 12 to rotate as the axis circumference on the outside plane of corner frame plate 4, makes things convenient for frame faller 1 angle regulation on corner frame plate 4 to can not oneself slide and rotate, just can manual rotation adjust when can needing to adjust, when not needing to rotate frame faller 1 and corner frame plate 4 chucking each other.
In one embodiment of the utility model:
the embodiment of the utility model provides a CT puncture angle fixer, and the technical problems solved by the utility model are as follows: 1. when the prior art is used for puncture, the puncture operation completely depends on the experience of a doctor and the operation state of an operation site, and because no auxiliary equipment exists, the puncture may have deviation; 2. at present, the operation completely depends on the experience of a doctor, the judgment of the focus position on site and the judgment of the angle and the depth when the doctor punctures, so that the doctor can operate the operation after long-term training, the operation is too difficult, and the time and the labor are consumed for the training; 3. the existing operation mode needs the fingers of the doctor to stably hold the puncture needle in the whole course of the operation, and the doctor cannot relax and have a rest in the whole course, so that the fingers of the doctor easily loose and shake.
The realized technical effects are as follows: 1. the anti-slip device can be stably adhered to the skin of a surgical site through the anti-slip pad 32 and is not easy to slip, and the surgical puncture position can be more conveniently and accurately positioned through the rotation adjustment of the frame needle plate 1 and the angle adjusting plate 2 on the bottom plate 3, the device can be adhered to the surgical site after the position is repeatedly determined, the angle of a puncture needle is fixed through the frame needle plate 1 and the angle adjusting plate 2, the puncture needle for surgery is convenient to insert and position, the temporary judgment is not needed, the operation is more based, the judgment of a doctor is more accurate, the assistance of the angle positioning can be provided for the clinical operation of the doctor, and the artificial judgment error is reduced;
2. the device can support the puncture needle through the needle supporting groove 11, can more conveniently support the puncture needle, avoids shaking of finger force during operation of a doctor, and can provide more labor-saving support assistance for the doctor during operation;
3. the needle supporting groove 11 of the device is a V-shaped groove, so that the device can be more suitable for a round puncture needle, and no matter how large the diameter of the puncture needle is, the puncture needle can be ensured not to sideslip or roll when being erected in the needle supporting groove 11 as long as the puncture needle can be erected on the needle supporting groove 11, and the puncture needle can be ensured to be stably erected;
4. the angle of the puncture needle inserted into the human body can be accurately judged through the angle marked on each positioning groove 31, the insertion depth of the puncture needle can be judged through the length mark outside the needle supporting groove 11, and the positioning of a doctor can be more conveniently assisted.
In order to solve the above problems, the technical solution in the embodiments of the present invention has the following general idea:
for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
When the anti-scratch shoe sole is manufactured, a strip-shaped straight plate with the width of 1-5cm is manufactured firstly, the straight plate with the width of 2cm is taken as the bottom plate 3, the top of the bottom plate 3 is provided with the plurality of positioning grooves 31, the positioning grooves 31 penetrate through the upper side and the lower side of the bottom plate 3, the bottom of the bottom plate 3 is fixed with the anti-skid pad 32, the anti-skid pad 32 is a self-adhesive silica gel sheet, and can have strong self-adhesion, be conveniently torn from the skin and not hurt the skin, the positioning grooves 31 do not penetrate through the anti-skid pad 32 and are only arranged at the top of the bottom plate 3, and the situation that the skin is scratched when the clamping plate 22 is inserted through the bottom plate 3 can be effectively avoided;
a protractor is used as the corner frame plate 4, one end of the bottom straight line of the corner frame plate 4 is provided with a positioning rotating shaft 42, the positioning rotating shaft 42 can rotatably install the right end of the bottom plate 3, and the corner frame plate 4 is provided with angle scales 41;
manufacturing a strip-shaped straight plate as a needle plate 1, forming a v-shaped groove as a needle supporting groove 11 at the top, namely the outer side, of the needle plate 1, wherein the needle supporting groove 11 is sunken downwards and cannot protrude out of the surface of the needle plate 1, and the width m of the needle supporting groove 11 is 7 mm; the bottom of the cross section of the needle supporting groove 11 can not be arc-shaped, and must be a v-shaped acute angle, so that the circular puncture needle can be stably supported, and the puncture needle is prevented from rolling when being erected; the frame needle plate 1 is arranged on the corner frame plate 4 through the angle adjusting pin 12, so that the frame needle plate 1 can rotate along the circle of the corner frame plate 4, the frame needle plate 1 rotates by being always attached to the outer side surface of the corner frame plate 4, the frame needle plate 1 and the corner frame plate 4 are mutually clamped, uniform and fine anti-skidding lines are arranged between attachment surfaces, the frame needle plate 1 and the corner frame plate 4 are ensured to be closely attached and can not slide randomly, and the angle position of the frame needle plate 1 on the corner frame plate 4 can be adjusted only by forced rotation;
the right end of the corner frame plate 4 is arranged at the right end of the bottom plate 3 through the positioning rotating shaft 42, so that the corner frame plate 4 can turn over on the bottom plate 3 by taking the positioning rotating shaft 42 as an axis, the left end of the corner frame plate 4, namely the top end of the circular arc which is not connected with the bottom plate 3, is provided with the connecting shaft 21, the connecting shaft 21 and the positioning rotating shaft 42 are parallel to each other,
then, a strip-shaped straight plate is manufactured as the angle adjusting plate 2 in the same way, the left end of the angle adjusting plate 2 is provided with the clamping plate 22 which can be tightly inserted into the positioning groove 31, the clamping plate 22 and the positioning groove 31 are in transition fit, the insertion is tight and can be conveniently drawn out, the insertion depth of the clamping plate 22 in the positioning groove 31 is not more than 7mm, generally, 5mm is enough to stably support because a puncture needle is thin, the angle adjusting plate 2 can be rotatably installed at one end of the needle frame plate 1, which is not connected with the bottom plate 3, through the connecting shaft 21, and the angle adjusting plate 2 and the needle frame plate 1 also rotate along the connecting shaft 21;
the interval between each positioning groove 31 is not based on the distance unit, but is based on the included angle A between the frame needle plate 1 and the bottom plate 3, when the included angle A has no difference of 5 degrees, the frame needle plate 1 can be stably supported by the angle adjusting plate 2, the supporting position of the clamping plate 22 at the left end of the angle adjusting plate 2 is provided with a positioning groove 31, the positioning groove 31 is arranged at each 5-degree difference of the included angle A, therefore, the distance intervals between the positioning grooves 31 are uneven, but the included angles A of every two adjacent positioning grooves 31 when the positioning plate 1 is fixed through the supporting angle adjusting plate 2 are accurate and have a difference of 5 degrees, a corresponding supporting angle needs to be marked on one side of each positioning groove 31, for example, the first positioning groove 31 is marked as 5 degrees, the second positioning groove 31 is marked as 10 degrees, and the positioning grooves 31 of the device position the needle plate 1 within the range of 5-90 degrees when the included angle A is included;
the needle supporting groove 11 is opened in the left-right direction and is not blocked, the right end of the needle supporting groove 11 of the needle plate 1, namely one end of the needle plate 1 connected with the bottom plate 3, does not block the left-right opening path of the needle supporting groove 11 by the bottom plate 3, and the bottom plate 3 is ensured not to block the puncture path of a puncture needle in the needle supporting groove 11;
the needle supporting groove 11 is marked with length scales for the doctor to roughly judge the depth of the puncture needle penetrating into the human body, and the scales are shown in fig. 3.
When the puncture needle is used, the examination part needing frequent puncture is determined through CT examination, the precise depth needing puncture, the organs needing to be avoided nearby and the human body parts such as bones needing to be avoided are determined, and then the most reasonable puncture angle and the path of puncturing the human body are searched and determined;
after path and angle are determined, the device after sterile treatment is taken out, one end of a positioning rotating shaft 42 on a bottom plate 3 is close to a position to be pierced, the angle adjustment pierced by the device is similar to the piercing angle set by the device, the device is required to be arranged on one side of the acute angle formed by the set piercing path and human skin, the set piercing path is required to be overlapped with the projection of a needle supporting groove 11 on the horizontal plane, after the position is determined, an anti-skid pad 32 of the bottom plate 3 is attached to the surface of the skin, an included angle A between a corner frame plate 4 and the bottom plate 3 is adjusted to the set angle, then a clamping plate 22 is inserted into a positioning groove 31 of the set angle, the clamping plate 22 of an angle adjusting plate 2 is ensured to be tightly inserted into the positioning groove 31, the bottom plate 3 can stably support the angle adjusting plate 2, the angle adjusting plate 2 can not rotate along a connecting shaft 21, and the angle adjusting plate 2 is locked, the positioning rotating shaft 42 can not rotate, thereby limiting the angle of the corner frame plate 4 to a set angle, when a doctor operates, the puncture needle only needs to be punctured into a human body along the needle supporting groove 11, if the angle has slight deviation, when the frame needle plate 1 needs to be adjusted, the rotating angle of the frame needle plate 1 can be conveniently adjusted only by rotating the frame needle plate 1 and rotating the frame needle plate 1 on the corner frame plate 4 along the angle adjusting pin 12, the angle scale 41 is arranged on the corner frame plate 4, the rotating angle of the frame needle plate 1 can be determined, the device can better assist the operation of doctors, and the circular puncture needle can be stably erected in the needle supporting groove 11 of the device, the puncture needle cannot slide left and right in the needle supporting groove 11 and can only be punctured into a body or pulled out along openings on two sides of the needle supporting groove 11, the operation is very convenient, and scales on two sides of the needle supporting groove 11 can assist a doctor in referencing the puncturing depth.
In addition, in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.
Claims (7)
1. A CT puncture angle fixing device, comprising:
the bottom plate (3) is a strip-shaped flat plate, the top of the bottom plate is provided with a plurality of positioning grooves (31), the positioning grooves (31) are sequentially and horizontally arranged on the same straight line, and the horizontal axes of the positioning grooves (31) are the same;
the corner frame plate (4) is an angle gauge, the arc edge of the corner frame plate is provided with angle scales (41), the bottom of the corner frame plate is provided with a positioning rotating shaft (42), and the corner frame plate (4) can be rotatably erected at one end of the bottom plate (3) through the positioning rotating shaft (42);
the needle supporting plate is characterized by comprising a needle supporting plate body (1) which is of a long strip-shaped plate structure, a needle supporting groove (11) is formed in the outer side surface of the needle supporting plate body, an angle adjusting pin (12) is arranged at one end of the needle supporting plate body, the needle supporting plate body (1) can be clamped outside a corner frame plate (4) in a rotating mode through the angle adjusting pin (12), the needle supporting plate body (1) and the corner frame plate (4) are attached in parallel, the angle adjusting pin (12) is located in the circle center of an outer circular arc of the corner frame plate (4), and the rotating axis of the needle supporting plate body (1) is the angle adjusting pin (12);
the needle supporting grooves (11) penetrate through the left side and the right side of the needle plate (1);
one end of the angle adjusting plate (2) is provided with a connecting shaft (21), the angle adjusting plate can be rotatably connected to the corner frame plate (4) through the connecting shaft (21), and the other end of the angle adjusting plate is fixedly provided with a clamping plate (22);
the clamping plate (22) can be tightly inserted into any positioning groove (31) in a separated mode.
2. The CT puncture angle fixing device of claim 1, wherein: a positioning groove (31) for clamping the angle adjusting plate (2) is arranged at each 5-degree difference of an included angle A between the corner frame plate (4) and the bottom plate (3), and the included angle A is between 5 degrees and 90 degrees;
and each different positioning groove (31) is marked with an angle mark corresponding to the included angle A.
3. The CT puncture angle fixing device of claim 1, wherein: the needle supporting grooves (11) are V-shaped grooves with wide openings and narrow bottoms, the needle supporting grooves (11) are formed in the central axis of the outer side face of the needle plate erecting body (1), the needle supporting grooves (11) do not penetrate through the upper side and the lower side of the needle plate erecting body (1), and the needle supporting grooves (11) penetrate through the left side and the right side of the needle plate erecting body (1); the projection of the transverse middle lines of the angle adjusting plate (2) and the bottom plate (3) on the horizontal plane is overlapped.
4. The CT puncture angle fixing device of claim 3, wherein: the width m of the opening at the top of the groove of the needle supporting groove (11) is 3-12mm, and the opening at the top of the groove of the needle supporting groove (11) is also provided with a transverse length mark.
5. The CT puncture angle fixing device of claim 1, wherein: the clamping plate (22) and the positioning groove (31) are in transition fit.
6. The CT puncture angle fixing device of claim 1, wherein: the bottom of bottom plate (3) still sets firmly non-slip pad (32), non-slip pad (32) are self-adhesion silica gel piece.
7. The CT puncture angle fixing device of claim 1, wherein: the anti-skidding frame needle plate is characterized in that anti-skidding lines are arranged on the contact surface of the frame needle plate (1) and the corner frame plate (4), the frame needle plate (1) is tightly connected with the corner frame plate (4) through an angle adjusting pin (12), and the frame needle plate (1) rotates circumferentially on the outer plane of the corner frame plate (4) by taking the angle adjusting pin (12) as an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490234.0U CN215739329U (en) | 2021-07-01 | 2021-07-01 | CT puncture angle fixer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490234.0U CN215739329U (en) | 2021-07-01 | 2021-07-01 | CT puncture angle fixer |
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| CN215739329U true CN215739329U (en) | 2022-02-08 |
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| CN202121490234.0U Active CN215739329U (en) | 2021-07-01 | 2021-07-01 | CT puncture angle fixer |
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- 2021-07-01 CN CN202121490234.0U patent/CN215739329U/en active Active
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