CN215606120U - Puncture locator card under CT guide - Google Patents
Puncture locator card under CT guide Download PDFInfo
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- CN215606120U CN215606120U CN202121372614.4U CN202121372614U CN215606120U CN 215606120 U CN215606120 U CN 215606120U CN 202121372614 U CN202121372614 U CN 202121372614U CN 215606120 U CN215606120 U CN 215606120U
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Abstract
The invention belongs to the field of medical instruments and discloses a CT (computed tomography) -guided lower puncture positioning clamp which comprises two sector plates with 180-degree circumferential angles, wherein angle scales are arranged on two sides of each sector plate; the two sector plates are adjacent, and the cross sections of the two sector plates are vertical to each other; a clamping strip groove is formed in the bottom end face of the sector plate, an elastic clamping piece is arranged in the clamping strip groove, and a cylindrical groove is formed in the inner side of the elastic clamping piece; the elastic clamping piece of one of the fan-shaped plates is buckled on the rotating shaft, so that the corresponding fan-shaped plate can rotate around the rotating shaft. And the puncture angle and the puncture direction measured by the CT are accurately positioned by utilizing the angle scales on the two fan-shaped plates.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to puncture locator card under CT guide.
Background
Pulmonary nodule biopsy or pulmonary tumor ablation under CT guidance is a common clinical lung cancer diagnosis and treatment method at present. Under the guidance of CT, theoretically, a plane needing to be punctured can be accurately positioned, but in the actual operation process, the puncturing angle and direction are often estimated and adjusted by an operator according to experience, the CT puncturing method depending on the experience is not only unfavorable for a novice to master, and in addition, the following adverse results can be caused: 1. the operator needs to continuously perform CT scanning to adjust the puncture angle during puncture, so that the radiation dose received by the patient and the operator is increased; 2. when the position of the nodule is remote, the angle and the direction are continuously adjusted to puncture repeatedly, so that air leakage and bleeding of the lung are easily caused, the risk of puncture operation is increased, and the safety of a patient is not facilitated; 3. the pulmonary vessels are abundant, and if the pulmonary vessels are not accurately positioned during operation, the pulmonary vessels are easily mistakenly centered, so that massive hemorrhage or hemoptysis is caused, and the safety of a patient is endangered.
SUMMERY OF THE UTILITY MODEL
To overcome the defects in the prior art, an object of the present disclosure is to provide a puncture positioning card under CT guidance for accurately positioning the puncture angle and direction measured by CT.
The purpose of the disclosure can be realized by the following technical scheme:
a CT-guided lower puncture positioning clamp comprises two sector plates with 180-degree circumferential angles, wherein angle scales are arranged on two sides of each sector plate;
the two sector plates are adjacent, and the cross sections of the two sector plates are vertical to each other;
a clamping strip groove is formed in the bottom end face of the sector plate, an elastic clamping piece is arranged in the clamping strip groove, and a cylindrical groove is formed in the inner side of the elastic clamping piece;
the elastic clamping piece of one of the fan-shaped plates is buckled on the rotating shaft, so that the corresponding fan-shaped plate can rotate around the rotating shaft.
Furthermore, two ends of the rotating shaft are both mounted on corresponding supporting blocks, and a fixing strip is arranged between the two supporting blocks; and the lower end of the fixing strip is fixedly provided with adhesive paper.
Furthermore, a movable groove is formed in the supporting block, a movable block which moves up and down along the movable groove is arranged in the movable groove, the upper end face of the movable block is arc-shaped, and the movable block abuts against the bottom end face of the end part of the rotating shaft;
the lower end of the movable block is provided with a spring, and the lower end of the spring is fixedly connected with the bottom end face of the movable groove;
a first clamping groove is formed in any one of the supporting blocks, the first clamping groove is communicated with the movable groove, and the fan-shaped plate is buckled on the first clamping groove;
the section of one end of the rotating shaft corresponding to the first clamping groove is polygonal;
a second clamping groove which is correspondingly matched with the polygonal section of the rotating shaft is formed in the central shaft of the fan-shaped plate, and meanwhile, a third clamping groove which can be buckled on the side wall of the movable groove is formed in the lower end face of the fan-shaped plate.
Furthermore, an upward extending portion is arranged on the side wall of the first clamping groove, a first positioning hole is formed in the extending portion, a second positioning hole coaxial with the first positioning hole is formed in the fan-shaped plate, and positioning pins are inserted into the first positioning hole and the second positioning hole.
The beneficial effect of this disclosure:
according to the CT puncture positioning device, the puncture angle and the puncture direction measured by the CT are accurately positioned through the angle scales on the two fan-shaped plates.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;
FIG. 2 is an exploded schematic view of an embodiment of the present disclosure;
fig. 3 is a schematic view of the structure of fig. 2 from different perspectives in accordance with an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
As shown in fig. 1 to 3, a CT-guided puncture locator card comprises two sector plates 1 with 180-degree circumferential angles, wherein the two sides of the sector plates 1 are provided with angle scales;
the two sector plates 1 are adjacent, and the cross sections of the two sector plates 1 are vertical to each other;
a clamping strip groove is formed in the bottom end face of the sector plate 1, an elastic clamping piece 2 is arranged in the clamping strip groove, and a cylindrical groove is formed in the inner side of the elastic clamping piece 2;
the elastic fastener 2 of one sector plate 1 is buckled on the rotating shaft 3, so that the corresponding sector plate 1 can rotate around the rotating shaft 3.
In this embodiment, the device is fixed on the skin of a patient, and the puncture angle and the puncture direction measured by the CT are accurately positioned by using the angle scales on the two sector plates 1.
In this embodiment, both ends of the rotating shaft 3 are mounted on the corresponding supporting blocks 31, and the two supporting blocks 31 are connected with each other by the fixing strip 32; the lower end of the fixing strip 32 is fixedly provided with adhesive paper 33; the attachment to the skin is made by means of an adhesive paper 33, so that the device is fixed to the skin of the patient.
In this embodiment, the supporting block 31 is provided with a movable groove 310, a movable block moving up and down along the movable groove 310 is arranged in the movable groove 310, the upper end surface of the movable block is arc-shaped, and the movable block abuts against the bottom end surface of the end part of the rotating shaft 3;
the lower end of the movable block is provided with a spring 41, and the lower end of the spring 41 is fixedly connected with the bottom end surface of the movable groove 310.
A first clamping groove 311 is formed in any supporting block 31, the first clamping groove 311 is communicated with the movable groove 310, and the sector plate 1 is clamped on the first clamping groove 311;
the section of one end of the rotating shaft 3 corresponding to the first slot 311 is polygonal;
a second clamping groove 101 which is correspondingly matched with the polygonal section of the rotating shaft 3 is formed in the central shaft of the sector plate 1, and a third clamping groove 102 which can be buckled on the side wall of the movable groove 310 is formed in the lower end face of the sector plate 1.
When the fan-shaped plate is used, the fan-shaped plate 1 is buckled on the adjacent side of the other fan-shaped plate 1 through the first clamping groove 311, and the cross sections of the fan-shaped plates are mutually perpendicular; when the deflection angle of the sector plate 1 on the rotating shaft 3 needs to be adjusted, the sector plate 1 on the rotating shaft 3 is pressed down, the spring 41 contracts at the moment, the end part of the rotating shaft 3 is separated from the second clamping groove 101 to deflect the sector plate 1, after the adjustment is finished, the sector plate 1 is released, the spring 41 resets at the moment, the rotating shaft 3 is buckled in the second clamping groove 101 again, and at the moment, the sector plate is in a stable state relatively.
In this embodiment, an upward extending portion 312 is disposed on a side wall of the first card slot 311, a first positioning hole 3120 is disposed on the extending portion 312, a second positioning hole 103 coaxial with the first positioning hole 3120 is disposed on the sector plate 1, and a positioning pin 5 is inserted into the first positioning hole 3120 and the second positioning hole 103; by this arrangement, the sector plate 1 is fixed to the first locking groove 311.
The working principle is as follows:
the device is attached to the skin by using the adhesive paper 33, so that the device is fixed to the skin of a patient; the angle scales on the two sector plates 1 are used for accurately positioning the puncture angle and the puncture direction measured by the CT.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.
Claims (4)
1. A CT-guided lower puncture positioning clamp comprises two sector plates (1) with 180-degree circumferential angles, wherein angle scales are arranged on two sides of each sector plate (1);
the fan-shaped plate is characterized in that the two fan-shaped plates (1) are adjacent, and the cross sections of the two fan-shaped plates (1) are vertical to each other;
a clamping strip groove is formed in the bottom end face of the sector plate (1), an elastic clamping piece (2) is arranged in the clamping strip groove, and a cylindrical groove is formed in the inner side of the elastic clamping piece (2);
the elastic clamping piece (2) of one of the fan-shaped plates (1) is clamped on the rotating shaft (3), so that the corresponding fan-shaped plate (1) can rotate around the rotating shaft (3).
2. The CT-guided puncture locator card according to claim 1, wherein both ends of the rotating shaft (3) are mounted on corresponding support blocks (31), and a fixing strip (32) is arranged between the two support blocks (31); the lower end of the fixing strip (32) is fixedly provided with adhesive paper (33).
3. The CT-guided puncture locator card according to claim 2, wherein the support block (31) is provided with a movable groove (310), the movable groove (310) is internally provided with a movable block which moves up and down along the movable groove (310), the upper end surface of the movable block is arc-shaped, and the movable block is abutted against the bottom end surface of the end part of the rotating shaft (3);
the lower end of the movable block is provided with a spring (41), and the lower end of the spring (41) is fixedly connected with the bottom end face of the movable groove (310);
a first clamping groove (311) is formed in any one of the supporting blocks (31), the first clamping groove (311) is communicated with the movable groove (310), and the sector plate (1) is clamped on the first clamping groove (311);
the section of one end of the rotating shaft (3) corresponding to the first clamping groove (311) is polygonal;
a second clamping groove (101) which is correspondingly matched with the polygonal section of the rotating shaft (3) is formed in the central shaft of the sector plate (1), and meanwhile, a third clamping groove (102) which can be buckled on the side wall of the movable groove (310) is formed in the lower end face of the sector plate (1).
4. The CT-guided puncture locator card according to claim 3, wherein the side wall of the first card slot (311) is provided with an upward extending portion (312), the extending portion (312) is provided with a first locating hole (3120), the sector plate (1) is provided with a second locating hole (103) coaxial with the first locating hole (3120), and the first locating hole (3120) and the second locating hole (103) are inserted with the locating pin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121372614.4U CN215606120U (en) | 2021-06-18 | 2021-06-18 | Puncture locator card under CT guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121372614.4U CN215606120U (en) | 2021-06-18 | 2021-06-18 | Puncture locator card under CT guide |
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| Publication Number | Publication Date |
|---|---|
| CN215606120U true CN215606120U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121372614.4U Active CN215606120U (en) | 2021-06-18 | 2021-06-18 | Puncture locator card under CT guide |
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| CN (1) | CN215606120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748119A (en) * | 2022-03-11 | 2022-07-15 | 南京思脉德医疗科技有限公司 | Angle feedback mechanism of blood vessel stitching instrument |
-
2021
- 2021-06-18 CN CN202121372614.4U patent/CN215606120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748119A (en) * | 2022-03-11 | 2022-07-15 | 南京思脉德医疗科技有限公司 | Angle feedback mechanism of blood vessel stitching instrument |
| CN114748119B (en) * | 2022-03-11 | 2024-02-09 | 南京思脉德医疗科技有限公司 | Angle feedback mechanism of vascular suture instrument |
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