CN114259284A - Pulmonary nodule puncture external member - Google Patents
Pulmonary nodule puncture external member Download PDFInfo
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- CN114259284A CN114259284A CN202111429667.XA CN202111429667A CN114259284A CN 114259284 A CN114259284 A CN 114259284A CN 202111429667 A CN202111429667 A CN 202111429667A CN 114259284 A CN114259284 A CN 114259284A
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- sheath core
- trocar
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Abstract
The invention relates to a pulmonary nodule puncturing kit, and belongs to the technical field of medical instruments. Comprises a hard puncture needle, a trocar, a sheath core and a silica gel stabilizer; a sheath core is arranged in the hollow trocar in a penetrating way, and a hard puncture needle is arranged in the hollow sheath core in a penetrating way; the silica gel stabilizer is a flat medical silica gel body, is provided with an adhering surface for adhering to the skin of a patient, and is provided with a first mark point. The lung nodule puncture kit provided by the invention can be used for lung cancer pathological sampling; puncture of the puncture kit under the guide of CT or DSA has reduced puncture injury when reaching accurate location sample, has improved puncture security.
Description
Technical Field
The invention relates to a pulmonary nodule puncturing kit, and belongs to the technical field of medical instruments.
Background
The lung cancer is one of malignant tumors which have the greatest threat to human life health, and 78.7 thousands of new lung cancer in China in 2015 shows a continuous growth trend according to statistics of 2019 national cancer center. The morbidity and mortality of lung cancer are the first in China and all over the world. The pathological diagnosis is the gold standard for the accurate diagnosis of lung cancer and is also the prerequisite for the comprehensive treatment of lung cancer. Lung biopsy is a main means for obtaining pathological diagnosis of lung tissues; multiple modalities are often involved, such as CT-guided percutaneous lung aspiration biopsy, transabdobronchoscopic biopsy, EBUS or magnetic navigation biopsy, and thoracoscopic biopsy. In clinical work, except that pathological examination can be completed on part of central lung occupation lesion through a bronchofiberscope, pathological confirmation diagnosis needs to be carried out on most peripheral lesions and part of central and mediastinal tumors through percutaneous lung puncture biopsy, three-dimensional CT positioning guidance is generally adopted for lung puncture biopsy in clinic, and along with popularization of large DSA and function upgrade of DSA machines, a plurality of units develop and apply DSA-C arm CT guiding positioning for lung puncture biopsy.
With the popularization of CT examination, more and more early lung cancers (most of which are small nodules) are discovered, and certain challenges are brought to puncture diagnosis. In the puncture process of the lung nodule, the puncture safety and the path navigation accuracy are two most important problems. The current CT and DSA guidance can accurately position the position of the nodule, set a puncture route, provide laser navigation and greatly improve the puncture accuracy; however, the puncture process requires that the puncture needle is consistent with the navigation direction, and in the actual operation process, an operator needs to well maintain the direction of the puncture needle to ensure the correct path and the puncture accuracy; meanwhile, the current puncture biopsy technology usually takes a trocar as a first step, the needle body is thick, the puncture resistance is large, the direction control of an operator can be influenced, and meanwhile, the puncture injury is increased by adjusting the deviation from a focus. Therefore, there is a need in the art to solve the problem that the conventional needle biopsy is thicker and has a large puncture resistance in advance of the trocar, which affects the direction control of the operator and increases the puncture damage easily during adjustment.
Disclosure of Invention
The invention aims to solve the technical problems of how to help a doctor to control the puncture direction, ensure the puncture accuracy and reduce puncture injury.
In order to solve the problems, the technical scheme adopted by the invention is to provide a pulmonary nodule puncture kit, which comprises a hard puncture needle, a trocar, a sheath core and a silica gel stabilizer; a sheath core is arranged in the hollow trocar in a penetrating way, and a hard puncture needle is arranged in the hollow sheath core in a penetrating way; the silica gel stabilizer is a flat medical silica gel body, is provided with an adhering surface for adhering to the skin of a patient, and is provided with a first mark point.
Preferably, the hard puncture needle is a 21G solid needle, and a second marking point is arranged on the needle body close to the tail end; the tail end of the base is provided with a first base, and a third marking point for laser positioning is arranged in the center of the first base; the needle point of the hard puncture needle is in a diamond shape; the needle body is provided with scales.
Preferably, the trocar comprises a 17G hollow sleeve and a tail end base III, and scales are arranged on the hollow sleeve; and a bayonet for limiting the rotation of the sheath core is arranged on the tail end base III.
Preferably, the sheath core comprises a hollow tube body and a second tail end base; the inner diameter of the hollow tube body is matched with the diameter of the hard puncture needle body, and the outer diameter of the hollow tube body is matched with the inner diameter of the trocar hollow sleeve; and the tail end base II is provided with a clamping point corresponding to the bayonet.
Preferably, after the sheath core and the trocar are sleeved and combined, the front end of the sheath core close to the needle point exceeds the trocar by 2mm, the front end of the sheath core is matched with the pipe diameter of the front end of the trocar, and no gap exists between the front end of the sheath core and the front end of the trocar.
Preferably, after the hard puncture needle, the trocar and the sheath core are sleeved and combined, the front end of the hard puncture needle extends out of the sheath core.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a set of novel pulmonary nodule puncturing kits, which is used for sampling in the lung cancer diagnosis process; the puncture kit punctures under CT or DSA guide, has guaranteed the accurate location of puncture, has reduced the puncture damage simultaneously, has improved puncture security.
Drawings
Fig. 1 is a schematic structural view of a hard puncture needle of a pulmonary nodule puncture kit of the present invention.
Fig. 2 is a schematic structural view of a sheath core of a pulmonary nodule puncturing kit according to the present invention.
FIG. 3 is a schematic view of a trocar design of a pulmonary nodule puncturing kit of the present invention.
Fig. 4 is a schematic structural view of a silica gel stabilizer of a pulmonary nodule puncturing kit according to the present invention.
Fig. 5 is a schematic structural view of a lung nodule puncturing kit of the present invention in combination.
Fig. 6 is a schematic structural view of a lung nodule puncturing kit according to the invention in clinical use.
Fig. 7 is a schematic structural view of a pulmonary nodule puncturing kit of the present invention positioned by a silica gel stabilizer.
Reference numerals: 1. a hard puncture needle; 2. a sheath core; 3. a trocar; 4. a silica gel stabilizer; 5. a sticking surface; 6. marking a first point; 7. marking a second point; 8. a first base; 9. a tail end base III; 10. and a second tail end base.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:
as shown in fig. 1-7, the technical scheme adopted by the invention is to provide a pulmonary nodule puncture kit, which comprises a hard puncture needle 1, a trocar 3, a sheath core 2 and a silica gel stabilizer 4; a sheath core 2 is arranged in the hollow trocar 3 in a penetrating way, and a hard puncture needle 1 is arranged in the hollow sheath core 2 in a penetrating way; the silica gel stabilizer 4 is a flat medical silica gel body, the silica gel stabilizer 4 is provided with an adhesive surface 5 for being adhered to the skin of a patient, and the adhesive surface is provided with a first mark point 6. The hard puncture needle 1 is a 21G solid needle, and a second marking point 7 is arranged on the needle body close to the tail end; the tail end of the base I is provided with a base I8, and the center of the base I is provided with a marking point III for laser positioning; the needle point of the hard puncture needle is in a diamond shape; the needle body is provided with scales. The trocar 3 comprises a 17G hollow sleeve and a tail end base III 9, and scales are arranged on the hollow sleeve; a bayonet used for limiting the rotation of the sheath core 2 is arranged on the tail end base III 9. The sheath core 2 comprises a hollow tube body and a tail end base II 10; the inner diameter of the hollow tube body is matched with the diameter of the needle body of the hard puncture needle 1, and the outer diameter of the hollow tube body is matched with the inner diameter of the hollow sleeve of the trocar 3; the second tail end base 10 is provided with a clamping point corresponding to the bayonet on the third tail end base 9. After the sheath core 2 and the trocar 3 are sleeved and combined, the front end of the sheath core 2 close to the needle point exceeds the trocar 3 by about 2mm, the front end of the sheath core 2 is matched with the pipe diameter of the front end of the trocar 3, and no gap exists between the front end of the sheath core and the front end of the trocar. After the hard puncture needle 1, the trocar 3 and the sheath core 2 are sleeved and combined, the front end of the hard puncture needle 1 exceeds the sheath core 2.
Examples
The technical scheme adopted by the invention is to provide a pulmonary nodule puncture kit, which comprises a hard puncture needle 1, a trocar 3, a sheath core 2 and a silica gel stabilizer 4;
as shown in figures 1-4, the hard puncture needle 1 has the specification of 21G, and the tail end of the puncture needle 1 is provided with a second black mark point 7 with the length of about 2 mm. The diameter of the needle body is 21G, the needle body is solid, two ends of the needle body are respectively provided with 2 scales, the interval of each scale is 1cm, the total length of the needle body is 15.5cm, the front needle is 15cm, and the first base is 8mm and 0.5 mm; the needle point is in a rhombus shape and is reduced, and the length of the inclined plane of the needle point is 1 mm; a mark point is arranged in the center of the tail end of the first base 8, and is in an extension line with the direction of the needle core, so that the mark point can be used for laser positioning.
The puncture cannula is divided into two parts, namely a hollow guide sheath core 2 and an outer thimble needle 3; the hollow sleeve of the outer trocar (3) contains scale marks, the interval distance is 1cm, the total length of the trocar (3) is 12cm, the length of the front hollow sleeve is 10cm, the length of the rear tail end base (three 9) is 2cm, and the specification of the hollow sleeve is 17G.
The sheath core 2 is designed to be hollow and comprises a hollow pipe body; the outer diameter of the hollow tube body is adapted to the inner diameter of the hollow sleeve of the trocar 3; the inner diameter of the hollow tube body is 20G, a 21G puncture needle body can just pass through, the length of the front end inclined plane of the sheath core 2 is 2mm, the total length of the sheath core 2 is 13cm, the length of the front hollow tube body is 12.2mm, the length of the rear tail end base II 10 is 8mm, the tail end base II 10 of the sheath core 2 comprises a protruding clamping point and is matched with a sunken bayonet of the tail end base III 9 of the trocar 3, and after the two are matched, the sheath core 2 and the trocar 3 cannot rotate relatively.
After the sheath core 2 and the trocar 3 are combined, the front end of the sheath core 2 exceeds the front end of the trocar 3 by 2mm, the front end of the sheath core 2 is matched with the pipe diameter of the front end of the trocar 3, and no gap exists between the front end of the sheath core and the front end of the trocar.
The silica gel stabilizer 4 is a transparent silica gel fixing paste and can be pasted on skin, the center of the bottom pasting surface 5 is provided with a mark point I6, the body part of the silica gel stabilizer 4 is made of silica gel, is soft, has certain support performance and is transparent in color, and the position of the mark point I6 on the bottom surface can be observed from the surface.
As shown in fig. 5, the lung nodule puncturing kit is used in combination; as shown in FIG. 5A, the tip of the hard puncture needle 1 protrudes from the sheath core 2 and the trocar 3 after the combination. As shown in fig. 5B, the state is maintained when the thin core of the hard puncture needle 1 is fixed and the sheath core 2 and the trocar 3 are pushed forward after the tip of the puncture needle reaches the lesion; as shown in fig. 5C, when the second needle core distal end mark 7 of the hard puncture needle 1 is completely exposed from the tail end of the sheath core 2, the distal end of the trocar 3 reaches the same depth position as the needle point of the hard puncture needle 1; keeping the position of the trocar (3) still and gradually withdrawing the hard puncture needle (1) and the sheath core (2).
Fig. 7 is a schematic structural view of a pulmonary nodule puncturing kit of the present invention positioned by a silicone stabilizer. The method comprises the following operation steps:
1, positioning a nodule part by CT \ DSA scanning, planning a path, determining a skin needle insertion point and marking;
2. pasting the pasting surface 5 of the silica gel stabilizer 4 on a skin puncture point, and making a central mark point, namely a mark point I6, of the pasting surface 5 coincide with the puncture point as shown in figure 7;
3. laser is positioned again, and a needle inlet point on the upper surface of the silica gel stabilizer 4 is marked, as shown in figure 7;
4. using the laser irradiation point on the upper surface of the silica gel as a reference and connecting the two points with the puncture point on the surface of the skin to ensure that the extension line is positioned in the center of the tumor for puncture;
5. the puncture needle punctures along the marking route, before entering the skin, CT or DSA Xper-CT scanning can be carried out again, and the path direction is confirmed to be consistent.
Fig. 6 is a schematic structural view of a lung nodule puncturing kit according to the present invention in clinical use.
a. The 21G hard puncture needle 1 is used for improving the pressure intensity, reducing the intensity of artificial pressure application in the process of needle insertion, puncturing the focus, and providing direction assistance and positioning confirmation before puncturing by the silica gel stabilizer 4;
b. after the puncture reaches the target position, the CT or DSA Xper-CT is confirmed again;
c. keeping the needle core of the hard puncture needle 1 stable and not moving, and continuously deepening the trocar 3 and the sheath core 2 along the needle point direction until a second marking point 7 at the tail end of the needle core of the hard puncture needle 1 is completely displayed;
d. keeping the sheath core 2 and the trocar 3 fixed, and withdrawing the 21G hard puncture needle 1;
e. keeping the trocar (3) still and withdrawing the sheath core (2);
f. row biopsy, ablation, etc.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (6)
1. A pulmonary nodule puncture kit is characterized by comprising a hard puncture needle, a trocar, a sheath core and a silica gel stabilizer; a sheath core is arranged in the hollow trocar in a penetrating way, and a hard puncture needle is arranged in the hollow sheath core in a penetrating way; the silica gel stabilizer is a flat medical silica gel body, is provided with an adhering surface for adhering to the skin of a patient, and is provided with a first mark point.
2. The pulmonary nodule puncturing kit of claim 1, wherein the rigid puncture needle is a 21G solid needle, and the needle body near the trailing end is provided with a second marking point; the tail end of the base is provided with a first base, and a third marking point for laser positioning is arranged in the center of the first base; the needle point of the hard puncture needle is in a diamond shape; the needle body is provided with scales.
3. The pulmonary nodule puncturing kit of claim 2, wherein the trocar comprises a 17G hollow cannula with graduations thereon and a base at the tail end; and a bayonet for limiting the rotation of the sheath core is arranged on the tail end base III.
4. The pulmonary nodule puncturing kit of claim 3, wherein the sheath core comprises a hollow tube body and a second trailing end base; the inner diameter of the hollow tube body is matched with the diameter of the hard puncture needle body, and the outer diameter of the hollow tube body is matched with the inner diameter of the trocar hollow sleeve; and the tail end base II is provided with a clamping point corresponding to the bayonet.
5. The pulmonary nodule puncturing kit of claim 4, wherein after the sheath core and the trocar are sleeved and combined, the front end of the sheath core close to the needle tip exceeds the trocar by 2mm, and the front end of the sheath core is matched with the front end of the trocar in diameter without a gap.
6. The pulmonary nodule puncturing kit of claim 5, wherein the rigid puncture needle, trocar and sheath core are nested together such that the distal end of the rigid puncture needle extends beyond the sheath core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429667.XA CN114259284A (en) | 2021-11-29 | 2021-11-29 | Pulmonary nodule puncture external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429667.XA CN114259284A (en) | 2021-11-29 | 2021-11-29 | Pulmonary nodule puncture external member |
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| Publication Number | Publication Date |
|---|---|
| CN114259284A true CN114259284A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111429667.XA Pending CN114259284A (en) | 2021-11-29 | 2021-11-29 | Pulmonary nodule puncture external member |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004275598A (en) * | 2003-03-18 | 2004-10-07 | Olympus Corp | Trocar system and ultrasonic trocar system |
| CN201743745U (en) * | 2010-05-25 | 2011-02-16 | 王洪武 | Multiplex trocar for percutaneous puncture |
| US20140148730A1 (en) * | 2011-07-04 | 2014-05-29 | Hans-Peter Steiner | Puncturing device for removing organic samples |
| CN203915027U (en) * | 2014-05-27 | 2014-11-05 | 四川大学华西第二医院 | Interventional cardiac procedures puncture stylophore group in utero |
| CN107874817A (en) * | 2016-09-30 | 2018-04-06 | 冯威健 | A kind of puncture positioning device and bootstrap technique |
| CN207886253U (en) * | 2017-10-13 | 2018-09-21 | 云南省肿瘤医院 | A kind of safety-type lung puncture coaxial sleeve needle |
| CN212346674U (en) * | 2020-03-30 | 2021-01-15 | 浙江伽奈维医疗科技有限公司 | Puncture positioning needle kit for positioning pulmonary nodules |
-
2021
- 2021-11-29 CN CN202111429667.XA patent/CN114259284A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004275598A (en) * | 2003-03-18 | 2004-10-07 | Olympus Corp | Trocar system and ultrasonic trocar system |
| CN201743745U (en) * | 2010-05-25 | 2011-02-16 | 王洪武 | Multiplex trocar for percutaneous puncture |
| US20140148730A1 (en) * | 2011-07-04 | 2014-05-29 | Hans-Peter Steiner | Puncturing device for removing organic samples |
| CN203915027U (en) * | 2014-05-27 | 2014-11-05 | 四川大学华西第二医院 | Interventional cardiac procedures puncture stylophore group in utero |
| CN107874817A (en) * | 2016-09-30 | 2018-04-06 | 冯威健 | A kind of puncture positioning device and bootstrap technique |
| CN207886253U (en) * | 2017-10-13 | 2018-09-21 | 云南省肿瘤医院 | A kind of safety-type lung puncture coaxial sleeve needle |
| CN212346674U (en) * | 2020-03-30 | 2021-01-15 | 浙江伽奈维医疗科技有限公司 | Puncture positioning needle kit for positioning pulmonary nodules |
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