CN218106000U - Percutaneous puncture needle with external sheath - Google Patents
Percutaneous puncture needle with external sheath Download PDFInfo
- Publication number
- CN218106000U CN218106000U CN202221561943.8U CN202221561943U CN218106000U CN 218106000 U CN218106000 U CN 218106000U CN 202221561943 U CN202221561943 U CN 202221561943U CN 218106000 U CN218106000 U CN 218106000U
- Authority
- CN
- China
- Prior art keywords
- needle
- base
- outer sheath
- fixedly connected
- percutaneous puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of medical instrument, especially, relate to a percutaneous pjncture needle of outband sheath cover, it is regional to current percutaneous pjncture needle implantation focus, its sharp-pointed needle point can cause the problem of threat to its surrounding tissue, the following scheme is put forward now, including outer sheath base, outer sheath cover, outer needle base, outer needle, inner needle base and inner needle, outer sheath base fixed connection is in the one end of outer sheath cover, outer needle base fixed connection is in the one end of outer needle, outer needle can peg graft in the inside of outer sheath cover, it is fixed through fixing bolt locking between outer sheath base and the outer needle base, inner needle fixed connection is in one side of inner needle base, the utility model discloses when using, can shrink outer needle to the inside of outer sheath, avoided percutaneous pjncture needle implantation focus regional, its sharp-pointed needle point probably punctures blood vessel, diaphragm, bag wall etc., cause hemorrhage, pneumothorax, bag liquid seepage etc. and it is very convenient to use.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a percutaneous puncture needle with an external sheath.
Background
The percutaneous puncture interventional therapy under the guidance of images is to complete various operations of puncture biopsy, suction, catheterization, medicine injection and the like under the monitoring or guidance of images such as ultrasound, CT and the like, and when the operations of medicine injection and suction are involved, the percutaneous puncture needle can be applied to the percutaneous puncture needle, when the percutaneous puncture needle is placed in a focus area, the sharp needle point can threaten surrounding tissues, for example, the percutaneous puncture needle touches a blood vessel to cause bleeding, touches a diaphragm to cause pneumothorax, punctures a capsule wall to cause capsule fluid leakage and other complications, so the percutaneous puncture needle with the outer sheath is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the percutaneous puncture needle is arranged in a focus area, the sharp needle point can threaten the surrounding tissues, for example, the blood vessel is touched to cause bleeding, the diaphragm is touched to cause pneumothorax, and the capsule wall is punctured to cause complications such as capsule liquid leakage, and provides the percutaneous puncture needle with an external sheath.
In order to realize the purpose, the utility model adopts the following technical scheme:
a percutaneous puncture needle with an outer sheath comprises an outer sheath base, an outer sheath, an outer needle base, an outer needle, an inner needle base and an inner needle;
the outer sheath base is fixedly connected to one end of the outer sheath, and the outer sheath base is communicated with the inside of the outer sheath;
the outer needle base is fixedly connected to one end of an outer needle, the outer needle is arranged in a hollow mode, the outer needle can be inserted into the outer sheath, a connecting block is fixedly connected to the outer wall of the outer needle base, and a fixing block is fixedly connected to one end of the connecting block;
the outer sheath base and the outer needle base are locked and fixed through a fixing bolt;
the inner needle is fixedly connected to one side of the inner needle base, the inner needle can be inserted into the outer needle, a connecting rod is fixedly connected to one side of the inner needle base, and a pressing block is fixedly connected to one end of the connecting rod.
Preferably, the outer sheath base is inside cavity setting, one side of outer sheath base is seted up and is dodged the groove, and dodges groove and outer sheath base inside intercommunication, the connecting block slidable sets up in the inside of dodging the groove.
Preferably, the outer needle base is arranged in a hollow manner, and the inner needle base can be inserted into the outer needle base.
Preferably, the outer wall of the outer sheath base is provided with a threaded blind hole for the fixing bolt to be in threaded connection, and one side of the fixing block is provided with a threaded through hole for the fixing bolt to be in threaded connection.
Preferably, the outer wall of the inner needle base is fixedly connected with a guide block, and the inner wall of the outer needle base is provided with a guide groove for the insertion of the guide block.
Preferably, the guide blocks are provided with four groups on the outer wall of the inner needle base in an annular array, and the guide grooves are provided with four groups on the inner wall of the outer needle base in an annular array.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a design of outer sheath base, outer sheath, outer needle base, outer needle, inner needle base, inner needle and fixing bolt isotructure, after outer needle base and outer needle inserted outer sheath base and outer sheath cover are inside, utilize fixing bolt to fix outer needle base and outer needle in the inside of outer sheath base and outer sheath cover, then after locking fixed outer sheath and one end of outer needle and insert the focus region together, wherein fixing bolt's setting is when avoiding to carry out percutaneous puncture to the patient, only outer needle inserts the focus region, outer sheath cover remains outside the focus region, lead to outer sheath cover to lose the guard action;
the inner needle base and the inner needle are inserted into the outer needle base and the outer needle, then the inner needle is utilized to puncture the focus area, after the puncture is finished, the inner needle is taken out, the outer needle is contracted into the outer sheath, then the medicine is injected and the sample is sucked, the percutaneous puncture needle is prevented from being placed in the focus area, the sharp needle point of the percutaneous puncture needle can puncture the blood vessel, the diaphragm, the sac wall and the like, complications such as bleeding, pneumothorax, sac fluid leakage and the like are avoided, and the use is very convenient.
Drawings
FIG. 1 is a schematic perspective view of a percutaneous puncture needle with an outer sheath according to the present invention;
fig. 2 is a schematic view of a cross-sectional three-dimensional structure of a percutaneous puncture needle with an outer sheath according to the present invention;
fig. 3 is a schematic perspective view of an outer sheath base and an outer sheath of a percutaneous puncture needle with an outer sheath according to the present invention;
FIG. 4 is a schematic perspective view of the outer needle base and the outer needle of the percutaneous puncture needle with an outer sheath according to the present invention;
fig. 5 is a schematic three-dimensional structure diagram of the inner needle base and the inner needle in the percutaneous puncture needle with the outer sheath provided by the utility model.
In the figure: 10. an outer sheath base; 11. an outer sheath; 12. an avoidance groove; 13. a threaded blind hole; 20. an outer needle base; 21. an outer needle; 22. connecting blocks; 23. a fixed block; 24. a threaded through hole; 25. a guide groove; 30. an inner needle base; 31. an inner needle; 32. a guide block; 33. a connecting rod; 34. pressing into blocks; 4. and fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1 to 5, a percutaneous puncture needle with an outer sheath includes an outer sheath base 10, an outer sheath 11, an outer needle base 20, an outer needle 21, an inner needle base 30, and an inner needle 31;
the outer sheath base 10 is fixedly connected to one end of the outer sheath 11, and the inner parts of the outer sheath base 10 and the outer sheath 11 are communicated and used for inserting the outer needle base 20 and the outer needle 21;
the outer needle base 20 is fixedly connected to one end of the outer needle 21, the outer needle 21 is arranged in a hollow mode, the outer needle 21 can be inserted into the outer sheath 11, the outer wall of the outer needle base 20 is fixedly connected with the connecting block 22, one end of the connecting block 22 is fixedly connected with the fixing block 23, and after the outer needle 21 is inserted into the outer sheath 11, the outer needle 21 can move in the outer sheath 11 by pulling the fixing block 23;
the outer sheath base 10 and the outer needle base 20 are locked and fixed through the fixing bolt 4, when the patient needs to be punctured percutaneously, the outer sheath 11 and one end of the outer needle 21 which are locked and fixed are inserted into a focus area together, wherein the fixing bolt 4 is arranged to avoid that only the outer needle 21 is inserted into the focus area when the patient needs to be punctured percutaneously, and the outer sheath 11 is left outside the focus area;
the inner needle 31 is fixedly connected to one side of the inner needle base 30, the inner needle 31 can be inserted into the outer needle 21, one side of the inner needle base 30 is fixedly connected with a connecting rod 33, one end of the connecting rod 33 is fixedly connected with a pressing block 34, after the outer sheath 11 and one end of the outer needle 21 are inserted into a lesion area, one end of the inner needle 31 is inserted into the outer needle 21, and then the pressing block 34 is pressed to puncture the lesion area again by using the inner needle 31.
Example two
Referring to fig. 1-5, the improvement is based on the first embodiment: a percutaneous puncture needle with an outer sheath comprises an outer sheath base 10, an outer sheath 11, an outer needle base 20, an outer needle 21, an inner needle base 30 and an inner needle 31;
the outer sheath base 10 is fixedly connected to one end of the outer sheath 11, the inner parts of the outer sheath base 10 and the outer sheath 11 are communicated, the inner part of the outer sheath base 10 is arranged in a hollow mode, an avoiding groove 12 is formed in one side of the outer sheath base 10, the avoiding groove 12 is communicated with the inner part of the outer sheath base 10, the outer needle base 20 is fixedly connected to one end of an outer needle 21, the inner part of the outer needle base 20 is arranged in a hollow mode, the outer needle 21 is arranged in the hollow mode, the outer needle 21 can be inserted into the inner part of the outer sheath 11, a connecting block 22 is fixedly connected to the outer wall of the outer needle base 20, the connecting block 22 can be arranged in the avoiding groove 12 in a sliding mode, a fixing block 23 is fixedly connected to one end of the connecting block 22, the outer needle base 20 is inserted into the inner part of the outer sheath base 10, and the connecting block 22 is located in the avoiding groove 12;
the outer sheath base 10 and the outer needle base 20 are locked and fixed through a fixing bolt 4, a threaded blind hole 13 for the fixing bolt 4 to be in threaded connection is formed in the outer wall of the outer sheath base 10, a threaded through hole 24 for the fixing bolt 4 to be in threaded connection is formed in one side of a fixing block 23, one end of the fixing bolt 4 is sequentially in threaded connection with the threaded through hole 24 and the threaded blind hole 13 and used for fixing the outer needle 21 and the outer needle base 20 inside the outer sheath 11 and the outer sheath base 10, at the moment, one end of the outer needle 21 leaks out of the outer sheath 11, then the medical staff inserts the outer needle 21 and one end of the outer sheath 11 into a focus area, then the fixing bolt 4 is screwed, one end of the fixing bolt 4 is made to be separated from the threaded blind hole 13, and then the outer needle 21 is stretched into the focus area by pulling the fixing block 23;
the inner needle 31 is fixedly connected to one side of the inner needle base 30, the inner needle 31 can be inserted into the outer needle 21, the inner needle base 30 can be inserted into the outer needle base 20, the outer wall of the inner needle base 30 is fixedly connected with guide blocks 32, the inner wall of the outer needle base 20 is provided with guide grooves 25 for the insertion of the guide blocks 32, the outer wall of the inner needle base 30 is provided with four groups of the guide blocks 32 in an annular array, the inner wall of the outer needle base 20 is provided with four groups of the guide grooves 25 in an annular array, one side of the inner needle base 30 is fixedly connected with a connecting rod 33, one end of the connecting rod 33 is fixedly connected with a pressing block 34, one end of the inner needle 31 is inserted into the outer needle 21, the guide blocks 32 fixedly connected to the outer wall of the inner needle base 30 are inserted into the guide grooves 25, then the pressing block 34 is pressed, one end of the inner needle 31 extends out of the outer needle 21, and the inner needle 31 is used for puncturing again;
after the puncture operation is finished, the inner needle 31 is taken out, and the outer needle 21 is contracted into the outer sheath 11, so that the complications of bleeding, pneumothorax, cyst fluid leakage and the like caused by the fact that the sharp needle point of the percutaneous puncture needle is possibly punctured into a blood vessel, diaphragm, cyst wall and the like when the percutaneous puncture needle is placed in a focus area are avoided.
When the utility model is used specifically, firstly, the outer needle 21 is inserted into the inner part of the outer sheath 11, then the outer needle base 20 is inserted into the inner part of the outer sheath base 10, and the connecting block 22 is positioned in the avoiding groove 12, then one end of the fixing bolt 4 is sequentially connected in the threaded through hole 24 and the threaded blind hole 13 in a threaded manner, so as to fix the outer needle 21 and the outer needle base 20 into the outer sheath 11 and the outer sheath base 10, and at this time, one end of the outer needle 21 leaks out of the outer sheath 11;
then the medical staff inserts the outer needle 21 and one end of the outer sheath 11 into the focus area, then screws the fixing bolt 4 to make one end of the fixing bolt 4 break away from the threaded blind hole 13, then stretches the outer needle 21 into the focus area by pulling the fixing block 23, then inserts one end of the inner needle 31 into the outer needle 21, and inserts the guide block 32 fixedly connected on the outer wall of the inner needle base 30 into the guide groove 25, then presses the pressing block 34 to make one end of the inner needle 31 stretch out of the outer needle 21, and punctures again by using the inner needle 31;
after the puncture operation is finished, the inner needle 31 is taken out, the outer needle 21 is contracted into the outer sheath 11, and then the injection and the sample suction are carried out, so that the complications of bleeding, pneumothorax, cyst fluid leakage and the like caused by the fact that the percutaneous puncture needle is placed in a focus area and the sharp needle point of the percutaneous puncture needle can puncture blood vessels, diaphragm muscles, cyst walls and the like are avoided, and the use is very convenient.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. A percutaneous puncture needle with an outer sheath comprises an outer sheath base (10), an outer sheath (11), an outer needle base (20), an outer needle (21), an inner needle base (30) and an inner needle (31), and is characterized in that:
the outer sheath base (10) is fixedly connected to one end of the outer sheath (11), and the inner parts of the outer sheath base (10) and the outer sheath (11) are communicated;
the outer needle base (20) is fixedly connected to one end of an outer needle (21), the outer needle (21) is arranged in a hollow mode, the outer needle (21) can be inserted into the outer sheath (11), a connecting block (22) is fixedly connected to the outer wall of the outer needle base (20), and one end of the connecting block (22) is fixedly connected with a fixing block (23);
the outer sheath base (10) and the outer needle base (20) are locked and fixed through a fixing bolt (4);
interior needle (31) fixed connection is in one side of interior needle base (30), interior needle (31) can peg graft in the inside of outer needle (21), one side fixedly connected with connecting rod (33) of interior needle base (30), one end fixedly connected with briquetting (34) of connecting rod (33).
2. A percutaneous puncture needle with an outer sheath according to claim 1, wherein: outer sheath base (10) are inside cavity setting, one side of outer sheath base (10) has been seted up and has been dodged groove (12), and dodge groove (12) and outer sheath base (10) inside intercommunication, connecting block (22) slidable sets up in the inside of dodging groove (12).
3. A percutaneous puncture needle with an outer sheath according to claim 1, wherein: the outer needle base (20) is arranged in a hollow mode, and the inner needle base (30) can be inserted into the outer needle base (20).
4. A percutaneous puncture needle with an outer sheath according to any one of claims 1 to 3, wherein: the outer sheath base (10) is provided with a threaded blind hole (13) for the fixing bolt (4) to be in threaded connection on the outer wall, and a threaded through hole (24) for the fixing bolt (4) to be in threaded connection is formed in one side of the fixing block (23).
5. A percutaneous puncture needle with an outer sheath according to any one of claims 1 to 3, wherein: fixedly connected with guide block (32) on the outer wall of interior needle base (30), offer guide way (25) that supply guide block (32) to peg graft on the inner wall of outer needle base (20).
6. A percutaneous puncture needle with an outer sheath according to claim 5, wherein: the guide blocks (32) are arranged in four groups on the outer wall of the inner needle base (30) in an annular array mode, and the guide grooves (25) are arranged in four groups on the inner wall of the outer needle base (20) in an annular array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221561943.8U CN218106000U (en) | 2022-06-22 | 2022-06-22 | Percutaneous puncture needle with external sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221561943.8U CN218106000U (en) | 2022-06-22 | 2022-06-22 | Percutaneous puncture needle with external sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218106000U true CN218106000U (en) | 2022-12-23 |
Family
ID=84514803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221561943.8U Active CN218106000U (en) | 2022-06-22 | 2022-06-22 | Percutaneous puncture needle with external sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218106000U (en) |
-
2022
- 2022-06-22 CN CN202221561943.8U patent/CN218106000U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3742958A (en) | Suprapubic catheter inserter | |
| WO2021031615A1 (en) | Triad trocar device and method for deep tissue puncture | |
| CN218106000U (en) | Percutaneous puncture needle with external sheath | |
| WO2017101187A1 (en) | Securable puncture device for laparoscope | |
| CN114869430A (en) | Interatrial septum puncture system | |
| CN213552188U (en) | Multi-cavity needle tube based on magnetic navigation positioning | |
| CN205286423U (en) | Peritoneoscope puncture ware that can fix | |
| CN211157863U (en) | A trigeminy trocar device for deep tissue puncture | |
| CN2137939Y (en) | Multipurpose expansible thoracic drainage trocar | |
| CN212574941U (en) | Percutaneous nephrocentesis fistulization device capable of being introduced into double-cavity catheter | |
| CN112674851A (en) | Deep vein puncture assembly | |
| CN210277939U (en) | Medical drainage tube assembly | |
| CN105380684A (en) | Fixable laparoscopic puncture outfit | |
| CN215534734U (en) | Puncture balloon catheter for compression hemostasis of abdominal deep tissues | |
| CN213641122U (en) | Ultrasonic guide puncture suit | |
| CN217366026U (en) | Improved distal radial puncture catheter placement kit | |
| CN217772471U (en) | Puncture sheath capable of displaying interatrial septum position | |
| CN219208349U (en) | Pericardium puncture assembly | |
| CN213372355U (en) | Thoracic surgery puncture device | |
| CN210673416U (en) | Interventional department is with safe type needle of wearing to hold | |
| CN221060802U (en) | Novel laparoscope puncture outfit with needle tube fixing saccule | |
| CN219645830U (en) | Puncture device with guiding, positioning injection function | |
| CN215688312U (en) | Intervention puncture device for oncology department | |
| CN214907802U (en) | Deep vein puncture assembly and deep vein puncture needle set | |
| CN210095868U (en) | Disposable puncture device for percutaneous peritoneal dialysis catheter tube placement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |