CN210019561U - Percutaneous kidney composite puncture needle - Google Patents
Percutaneous kidney composite puncture needle Download PDFInfo
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- CN210019561U CN210019561U CN201920598796.3U CN201920598796U CN210019561U CN 210019561 U CN210019561 U CN 210019561U CN 201920598796 U CN201920598796 U CN 201920598796U CN 210019561 U CN210019561 U CN 210019561U
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- puncture needle
- needle
- puncture
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- supplementary
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Abstract
The utility model provides a percutaneous kidney compound pjncture needle for uropoiesis surgery percutaneous kidney puncture art, percutaneous kidney compound pjncture needle include the puncture with the needle and with the supplementary pjncture needle that the needle cooperation was used is used to the puncture, supplementary pjncture needle includes supplementary pjncture needle tubing and supplementary pjncture needle nook closing, supplementary pjncture needle nook closing is established can follow in the supplementary pjncture needle tubing take out in the supplementary pjncture needle tubing, the size of the puncture with the needle sets to can insert in the supplementary pjncture needle tubing, just the insertable length of the puncture with the needle sets to be greater than the length of supplementary pjncture needle tubing makes partly can follow of the puncture with the needle the front end of supplementary pjn. The puncture needle can effectively improve the safety of establishing a skin kidney channel in the process of carrying out the skin nephrolithotomy.
Description
Technical Field
The utility model relates to a urological percutaneous kidney puncture surgical instrument, in particular to a percutaneous kidney composite puncture needle.
Background
A percutaneous nephrolithotomy in urinary surgery is to build a channel from skin to kidney at waist, insert nephroscope into kidney through the channel, and use laser, ultrasonic and other lithotripsy tools to break up kidney stone. Percutaneous nephrolithotripsy is one of the conventional surgical methods for treating kidney stones, but one of the technical difficulties is how to safely establish a percutaneous renal channel, which is one of the reasons for limiting the development of the technology in some hospitals.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to overcome the defects of the prior art and provide a percutaneous kidney composite puncture needle to improve the safety of establishing a percutaneous kidney channel in the process of carrying out percutaneous nephrolithotomy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a percutaneous kidney compound pjncture needle for uropoiesis surgery percutaneous kidney puncture art, percutaneous kidney compound pjncture needle includes the needle for the puncture, still include with the puncture is with the supplementary pjncture needle of needle cooperation use, supplementary pjncture needle includes supplementary pjncture needle tubing and supplementary pjncture needle nook closing, supplementary pjncture needle nook closing is established can follow in the supplementary pjncture needle tubing take out in the supplementary pjncture needle tubing, the size of needle for the puncture sets to insert in the supplementary pjncture needle tubing, just the insertable length of needle for the puncture sets to be greater than the length of supplementary pjncture needle tubing makes a part of needle for the puncture can be followed the front end of supplementary pjncture needle tubing stretches out.
Further:
the length of the puncture needle is 2-3 times of the length of the auxiliary puncture needle.
The length of the auxiliary puncture needle is 8-10 cm.
The needle for puncture is provided with a limiting part which is adjustable along the length direction of the needle for puncture, and the limiting part is used for limiting the length of the needle for puncture inserted into the auxiliary puncture needle tube.
The limiting part is a limiting ring.
The outer diameter of the auxiliary puncture needle tube is 0.6-0.8mm, the inner diameter of the auxiliary puncture needle tube is 0.1-0.2mm, and the outer diameter of the puncture needle is 0.1-0.2mm and is consistent with the outer diameter of the auxiliary puncture needle tube.
The puncture needle comprises a puncture needle tube and a puncture needle core, and the puncture needle core is sleeved in the puncture needle tube.
The auxiliary puncture needle also comprises an auxiliary puncture needle head sleeve arranged at the root end of the auxiliary puncture needle core, and after the auxiliary puncture needle core is inserted into the auxiliary puncture needle tube, the auxiliary puncture needle head sleeve is matched with the auxiliary puncture needle tube in the form of a piston cylinder and a piston; the puncture needle also comprises a puncture needle head sleeve arranged at the root end of the puncture needle core, and after the puncture needle core is inserted into the puncture needle tube, the puncture needle head sleeve is matched with the puncture needle tube in the form of a piston cylinder and a piston.
The auxiliary puncture needle tube is provided with a side wall through hole, the side wall through hole is used for injecting normal saline, and the normal saline is conveyed to the periphery of the kidney through the side wall through hole and the auxiliary puncture needle tube to manufacture a kidney periphery liquid dark area.
The front ends of the puncture needle and the auxiliary puncture needle are inclined planes, and the side face of the front end of the auxiliary puncture needle tube is provided with a thread.
The utility model discloses following beneficial effect has:
the utility model provides a compound pjncture needle of percutaneous kidney is suitable for urology surgery percutaneous nephroscope rubble to get stone art and carries out percutaneous kidney puncture, at the puncture in-process, supplementary pjncture needle can play good puncture assistance and positioning action, because supplementary pjncture needle is thicker than the needle for the puncture, the fine puncture needle of comparing can clearly carry out the supersound development, the apparent definition of pjncture needle under the supersound has been increased, thereby can demonstrate the puncture route very clearly before the pjncture needle reachs the kidney surface, and after the pjncture needle reachs the kidney surface, take out supplementary pjncture needle core again, pass supplementary pjncture needle tubing with the fine puncture needle that is suitable for kidney puncture, carry out further. Therefore, the utility model provides an auxiliary puncture needle uses with puncture needle's cooperation, can carry out percutaneous kidney puncture at the in-process of percutaneous nephroscope rubble calculus extraction art safely more, conveniently, avoids conventional pjncture needle to take pictures unclear shortcoming under the supersound because of small effectively, improves the puncture precision, furthest has improved the security of percutaneous kidney operation, is favorable to reducing the operation complication simultaneously, effectively prevents and reduces the bleeding risk when performing the operation.
In a preferred scheme, the auxiliary puncture needle tube is provided with a side hole for injecting normal saline, when the puncture needle reaches the surface of the kidney during the puncture operation, the puncture needle is withdrawn from the needle core of the auxiliary puncture needle, the normal saline is injected to the surface of the kidney through the side hole of the auxiliary puncture needle tube, the perirenal fluid dark zone can be artificially created, and the position of the front end of the puncture needle at the perirenal position can be more clearly seen during the ultrasonic imaging through the perirenal fluid dark zone.
In a preferable scheme, the needle tubes of the auxiliary puncture needle and the front end of the needle core are designed by inclined planes, so that the performance of the puncture needle can be improved. The front end side surface of the auxiliary puncture needle adopts a thread design, so that the imaging definition of the auxiliary puncture needle under ultrasound can be further increased.
In the preferred scheme, an auxiliary puncture needle head cover and a puncture needle head cover are designed, the auxiliary puncture needle head cover is matched with the auxiliary puncture needle tube in the form of a piston cylinder and a piston, and the puncture needle head cover is matched with the puncture needle tube in the form of a piston cylinder and a piston.
Drawings
FIG. 1 is a schematic view of a percutaneous renal composite puncture needle according to an embodiment of the present invention;
fig. 2 is a schematic view of an auxiliary puncture needle according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Referring to fig. 1 and 2, in an embodiment, a percutaneous kidney composite puncture needle for urological percutaneous kidney puncture comprises a puncture needle and an auxiliary puncture needle matched with the puncture needle, the auxiliary puncture needle comprises an auxiliary puncture needle tube 2 and an auxiliary puncture needle core 3, the auxiliary puncture needle core 3 is sleeved in the auxiliary puncture needle tube 2 and can be drawn out from the auxiliary puncture needle tube 2, the puncture needle is sized to be inserted into the auxiliary puncture needle tube 2, and the insertable length of the puncture needle is set to be greater than that of the auxiliary puncture needle tube 2, so that a part of the puncture needle can be extended from the front end of the auxiliary puncture needle tube 2.
The percutaneous kidney composite puncture needle is particularly suitable for percutaneous kidney puncture in urological percutaneous nephrolithotomy, and the auxiliary puncture needle can play a good role in puncture assistance and positioning in the puncture process. Because the auxiliary puncture needle is thicker than the puncture needle, the ultrasonic imaging can be clearly carried out by the thinner puncture needle, the imaging definition of the puncture needle under the ultrasonic is increased, so that the puncture path can be clearly displayed before the puncture needle reaches the surface of the kidney, and after the puncture needle reaches the surface of the kidney, the needle core 3 of the auxiliary puncture needle is drawn out, and the puncture needle penetrates through the needle tube 2 of the auxiliary puncture needle to be further punctured by the thinner puncture needle suitable for the kidney puncture. Therefore, the utility model provides an auxiliary puncture needle uses with puncture needle's cooperation, can carry out percutaneous kidney puncture at the in-process of percutaneous nephroscope rubble calculus extraction art safely more, conveniently, avoids conventional pjncture needle to take pictures unclear shortcoming under the supersound because of small effectively, improves the puncture precision, furthest has improved the security of percutaneous kidney operation, is favorable to reducing the operation complication simultaneously, effectively prevents and reduces the bleeding risk when performing the operation.
In a preferred embodiment, the length of the puncture needle is 2 to 3 times the length of the auxiliary puncture needle.
In a preferred embodiment, the length of the auxiliary puncture needle is 8-10 cm.
In a preferred embodiment, the puncture needle is provided with a stopper that is adjustable in position along the longitudinal direction of the puncture needle, and the stopper is used for limiting the length of the puncture needle inserted into the auxiliary puncture needle tube 2.
In a more preferred embodiment, the stop member is a movable stop ring 7.
In a preferred embodiment, the auxiliary puncture needle tube 2 has an outer diameter of 0.6 to 0.8mm and an inner diameter of 0.1 to 0.2mm, and the puncture needle has an outer diameter of 0.1 to 0.2mm and is identical to the outer diameter of the auxiliary puncture needle tube 2.
In a preferred embodiment, the puncture needle comprises a puncture needle tube 5 and a puncture needle core 6, and the puncture needle core 6 is sleeved in the puncture needle tube 5.
In a more preferable embodiment, the auxiliary puncture needle further comprises an auxiliary puncture needle head cover 1 arranged at the root end of the auxiliary puncture needle core 3, and after the auxiliary puncture needle core 3 is inserted into the auxiliary puncture needle tube 2, the auxiliary puncture needle head cover 1 is matched with the auxiliary puncture needle tube 2 in the form of a piston cylinder and a piston; the puncture needle further comprises a puncture needle head cover 4 arranged at the root end of the puncture needle core 6, and after the puncture needle core 6 is inserted into the puncture needle tube 5, the puncture needle head cover 4 is matched with the puncture needle tube 5 in the form of a piston cylinder and a piston. By designing the auxiliary puncture needle head cover 1 and the puncture needle head cover 4, the auxiliary puncture needle head cover 1 and the auxiliary puncture needle tube 2 as well as the puncture needle head cover 4 and the puncture needle tube 5 form a piston type matching relationship, and the design can improve the usability and the operation reliability of the puncture needle.
Referring to fig. 2, in a preferred embodiment, the auxiliary puncture needle tube 2 is provided with a sidewall through hole 8 for injecting saline, and the saline is delivered to the perirenal gland through the sidewall through hole 8 and the auxiliary puncture needle tube 2 to make a perirenal fluid dark space. By utilizing the side wall through hole 8 which is arranged on the auxiliary puncture needle tube 2 and is used for injecting the physiological saline, the auxiliary puncture needle core 3 can be withdrawn after the puncture needle reaches the kidney surface in the puncture operation process, the physiological saline is injected to the kidney surface through the side hole of the auxiliary puncture needle tube 2, the artificial kidney pericarp dark area is formed, and the position of the front end of the puncture needle at the periphery of the kidney can be seen more clearly in the ultrasonic imaging process by virtue of the kidney pericarp dark area.
In a preferred embodiment, the tips of the puncture needle and the auxiliary puncture needle are inclined surfaces, and the tip side surface of the auxiliary puncture needle tube 2 is provided with a screw thread. The needle tubes of the auxiliary puncture needle and the front end of the needle core adopt the inclined plane design, so that the performance of the puncture needle can be improved. The front end side surface of the auxiliary puncture needle adopts a thread design, so that the imaging definition of the auxiliary puncture needle under ultrasound can be further increased.
Examples of the invention
In one specific example, the percutaneous renal composite puncture needle comprises a puncture needle and an auxiliary puncture needle, wherein the auxiliary puncture needle comprises an auxiliary puncture needle head 1, an auxiliary puncture needle tube 2 and an auxiliary puncture needle core 3. The puncture needle comprises a puncture needle head 3, a puncture needle tube 5 and a puncture needle core 6, and the puncture needle is provided with a limiting ring 7 which can move. The stop collar 7 may be provided on the needle cannula 5. The needle tube of the auxiliary puncture needle has the outer diameter of 0.7mm, the needle core of 0.1mm and the length of 8 mm. The puncture needle has an outer diameter of 0.1mm and a length 3 times that of the auxiliary puncture needle. After the needle core of the auxiliary puncture needle is taken out from the needle tube of the auxiliary puncture needle, the puncture needle can be directly inserted into the needle tube of the auxiliary puncture needle and is positioned by the limiting ring 7.
The specific using operation steps are as follows:
1. placing in a conventional position for completing the operation and sterilizing;
2. firstly, determining a kidney puncture point under the ultrasonic guidance;
3. firstly, an auxiliary puncture needle (the length is 8-10cm) is used for puncture, but the direction is adjusted after the puncture reaches the surface of the kidney;
4. the auxiliary puncture needle is retreated backwards by 0.5-1.0cm, the needle core of the auxiliary puncture needle is pulled out, and a puncture needle (the length of which is 2-3 times of that of the auxiliary puncture needle) is put in and fixed;
5. under the guidance of ultrasound, the puncture needle is continuously punctured into the kidney forward to complete puncture;
6. subsequently, the expansion is completed according to the routine and the operation is completed.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific/preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, a plurality of alternatives or modifications can be made to the described embodiments without departing from the concept of the invention, and these alternatives or modifications should be considered as belonging to the protection scope of the invention.
Claims (10)
1. The utility model provides a percutaneous kidney compound pjncture needle for uropoiesis surgery percutaneous kidney puncture art, percutaneous kidney compound pjncture needle includes the needle for the puncture, its characterized in that, still include with the puncture is with the supplementary pjncture needle of needle cooperation use, supplementary pjncture needle includes supplementary pjncture needle syringe and supplementary pjncture needle nook closing, supplementary pjncture needle nook closing is established can follow in the supplementary pjncture needle syringe take out in the supplementary pjncture needle syringe, the size of needle for the puncture sets to insert in the supplementary pjncture needle syringe, just the insertable length of needle for the puncture sets to be greater than the length of supplementary pjncture needle syringe makes partly of needle for the puncture can follow the front end of supplementary pjncture needle syringe is stretched out.
2. The percutaneous renal composite puncture needle according to claim 1, wherein the puncture needle has a length 2 to 3 times as long as the auxiliary puncture needle.
3. The percutaneous renal composite puncture needle according to claim 2, wherein the auxiliary puncture needle has a length of 8 to 10 cm.
4. The percutaneous renal composite puncture needle according to any one of claims 1 to 3, wherein the puncture needle is provided with a stopper that is adjustable in position along a longitudinal direction of the puncture needle, and the stopper is configured to limit a length of the puncture needle inserted into the auxiliary puncture needle tube.
5. The percutaneous renal composite puncture needle according to claim 4, wherein the retaining member is a retaining ring.
6. A percutaneous kidney composite puncture needle according to any one of claims 1 to 3, wherein the auxiliary puncture needle tube has an outer diameter of 0.6 to 0.8mm and an inner diameter of 0.1 to 0.2mm, and the puncture needle has an outer diameter of 0.1 to 0.2mm and is identical to the outer diameter of the auxiliary puncture needle tube.
7. The percutaneous renal composite puncture needle according to any one of claims 1 to 3, wherein the puncture needle includes a puncture needle cylinder and a puncture needle core, and the puncture needle core is fitted in the puncture needle cylinder.
8. The percutaneous kidney composite puncture needle according to claim 7, wherein the auxiliary puncture needle further comprises an auxiliary puncture needle tip cover arranged at the root end of the auxiliary puncture needle core, and after the auxiliary puncture needle core is inserted into the auxiliary puncture needle tube, the auxiliary puncture needle tip cover is matched with the auxiliary puncture needle tube in the form of a piston cylinder and a piston; the puncture needle also comprises a puncture needle head sleeve arranged at the root end of the puncture needle core, and after the puncture needle core is inserted into the puncture needle tube, the puncture needle head sleeve is matched with the puncture needle tube in the form of a piston cylinder and a piston.
9. The percutaneous kidney composite puncture needle according to any one of claims 1 to 3, wherein the auxiliary puncture needle tube is provided with a side wall through hole for injecting a saline solution, and the saline solution is delivered to the perirenal through the side wall through hole and the auxiliary puncture needle tube to produce perirenal fluid dark space.
10. The percutaneous kidney composite puncture needle according to any one of claims 1 to 3, wherein the tips of the puncture needle and the auxiliary puncture needle are inclined surfaces, and the tip side of the needle tube of the auxiliary puncture needle is provided with a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598796.3U CN210019561U (en) | 2019-04-28 | 2019-04-28 | Percutaneous kidney composite puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598796.3U CN210019561U (en) | 2019-04-28 | 2019-04-28 | Percutaneous kidney composite puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210019561U true CN210019561U (en) | 2020-02-07 |
Family
ID=69362307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920598796.3U Expired - Fee Related CN210019561U (en) | 2019-04-28 | 2019-04-28 | Percutaneous kidney composite puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210019561U (en) |
-
2019
- 2019-04-28 CN CN201920598796.3U patent/CN210019561U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200207 |