CN214966367U - Spinal endoscope nerve injury prevention electrode puncture needle - Google Patents
Spinal endoscope nerve injury prevention electrode puncture needle Download PDFInfo
- Publication number
- CN214966367U CN214966367U CN202120083892.1U CN202120083892U CN214966367U CN 214966367 U CN214966367 U CN 214966367U CN 202120083892 U CN202120083892 U CN 202120083892U CN 214966367 U CN214966367 U CN 214966367U
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- Prior art keywords
- handle
- puncture needle
- limiting
- sleeve
- electrode
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- 208000028389 Nerve injury Diseases 0.000 title claims abstract description 14
- 230000008764 nerve damage Effects 0.000 title claims abstract description 14
- 230000002265 prevention Effects 0.000 title claims abstract description 12
- 210000005036 nerve Anatomy 0.000 abstract description 11
- 238000003780 insertion Methods 0.000 abstract description 9
- 230000037431 insertion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000001537 neural effect Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
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Abstract
The utility model discloses a spinal endoscope nerve injury prevention electrode puncture needle, which comprises a sleeve, an inner guide part and a puncture needle main body, wherein the inner guide part and the puncture needle main body are respectively arranged in the sleeve; the utility model discloses at first assemble sleeve pipe and interior conducting piece, the in-process of second handle and first handle contact, first fixture block acts on spacing slide one end, drive spacing slide and draw the piece to press a spring in the spout, when spacing slide and the mutual joint of first fixture block, spring reconversion, realize the installation of second handle and first handle, insert the treatment position simultaneously with sleeve pipe and interior conducting piece, spacing guide head and the external diameter from the top down of semicircle cambered surface diminish the body gradually and can avoid damaging the nerve at the insertion in-process.
Description
Technical Field
The utility model relates to the field of medical equipment, specifically a spinal endoscope prevents neural damage electrode pjncture needle.
Background
When treating diseases on the spine, particularly spinal cord pathological changes are generally treated by electrode puncture through a spinal endoscope, nerve damage is given to relieve pain, the effect depends on the position relationship between a damaged electrode and nerves, the closer the electrode is to the damaged nerves, the better the effect is, and the worse the effect is otherwise.
The insertion of the cannula is required during treatment with the electrode needle. When the existing sleeve is directly inserted, the end part of the sleeve is easy to damage nerves; meanwhile, after the electrode puncture needle is inserted, when certain electrical stimulation is given through the electrode, the electrode puncture needle needs to be ensured to be fixed in position, otherwise, the movement of the electrode puncture needle is easy to cause damage to nerves.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a neural damage electrode pjncture needle is prevented to backbone endoscope, its tip causes the damage to nerve easily when can avoiding the sleeve pipe to insert, overcomes the removal of electrode pjncture needle and causes the defect of damage to nerve.
The purpose of the utility model can be realized by the following technical scheme:
a spinal endoscope nerve injury prevention electrode puncture needle comprises a sleeve, an inner guide and a puncture needle main body; the cannula can be inserted into the inner guide member or the puncture needle body;
the sleeve comprises a first handle, a pipe body and a limiting sliding plate, the first handle is connected with the top end of the hollow pipe body, and an opening is formed in the lower end of the pipe body; the first handle is provided with a sliding chute, and the limiting sliding plate is sleeved in the sliding chute; the limiting sliding plate is provided with a pulling block higher than the sliding groove, one end of the spring is connected with the pulling block, and the other end of the spring is connected with the side wall of the sliding groove; a limiting groove is arranged on the first handle at the side of the outer end of the sliding plate;
the inner guide piece comprises a second handle, a limiting guide head and a first clamping block matched with the limiting groove, wherein the bottom of the second handle is provided with a bayonet which can extend into the pipe body and is arranged on the first clamping block at the bottom of the second handle from the bottom end;
the puncture needle main body comprises a third handle, a second clamping block, a needle tube and an electrode; the needle tube is installed at the center of the bottom of the third handle, the electrode is installed at the bottom end of the needle tube, a second clamping block matched with the limiting groove is further arranged beside the bottom of the third handle, and a bayonet matched with the outer end of the sliding plate is arranged on the second clamping block.
The pipe body is a taper pipe with an opening at the bottom, the outer diameter of the taper pipe gradually decreases from top to bottom, and the opening at the bottom end of the pipe body is a fillet.
The inner walls of the pull block and the sliding groove are provided with limiting columns, and two ends of the spring are respectively sleeved on the two limiting columns.
The bottom end of the limiting guide head is provided with a semi-arc surface, and the length of the limiting guide head and the length of the needle tube are both larger than the length of the tube body.
And a connecting wire is connected to the outer side of the third handle, and one end of the connecting wire is connected with the connector.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a spinal endoscope nerve injury prevention electrode puncture needle,
the utility model provides a spinal endoscope nerve injury prevention electrode puncture needle, the outer diameter of the inner guide piece is larger than that of the puncture needle, the inner guide piece is inserted into the pipe sleeve, the pipe sleeve is inserted into a treatment part, when the insertion is avoided, the opening at the bottom of the pipe body damages the insertion part, and then the puncture needle can be inserted for treatment after the inner guide piece is taken out; the puncture needle can be fixedly arranged on the tube sleeve and can be kept fixed without being manually held;
the utility model has the advantages that through reasonable structural design, the sleeve and the inner guide part are firstly assembled, in the process that the second handle is contacted with the first handle, the first clamping block acts on one end of the limiting sliding plate to drive the limiting sliding plate and the pulling block to compress the spring in the chute, when the limiting sliding plate is mutually clamped with the first clamping block, the spring is restored to the original state, and the clamping installation of the second handle and the first handle is realized; the sleeve and the inner guide piece are inserted into a treatment part at the same time, and the damage to nerves in the insertion process can be avoided through the limiting guide head of the semicircular arc surface and the tube body with the outer diameter gradually reduced from top to bottom; the pulling block compression spring separates the sleeve and the inner guide piece, the sleeve and the puncture needle main body are installed in the same mode, namely the limiting sliding plate is clamped with the second clamping block, the sleeve and the puncture needle main body are fixedly installed, the electrode puncture needle can be prevented from displacing during treatment, and the electrode is guaranteed not to be damaged all around.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
figure 2 is a cross-sectional view of the bushing and inner guide assembly of the present invention;
FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the main structure of the puncture needle of the present invention.
In the figure: 1 is a sleeve; 2 is an inner guide piece; 3 is a puncture needle main body; 4 is a first handle; 5 is a tube body; 6, a limiting sliding plate; 7 is a pulling block; 8 is a chute; 9 is a spring; 10 is a second handle; 11 is a limit guide head; 12 is a first block; 13 is a third handle; 14 is a second fixture block; 15 is a needle tube; 16 is an electrode; 17 is a connecting wire; and 18 is a connector.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the spinal endoscope nerve injury prevention electrode puncture needle is characterized by comprising a sleeve 1, an inner guide 2 and a puncture needle body 3; the sleeve 1 can be inserted into the inner guide piece 2 or the puncture needle body 3;
the sleeve 1 comprises a first handle 4, a tube body 5 and a limiting sliding plate 6, wherein the first handle 4 is connected with the top end of the hollow tube body 5, and the lower end of the tube body 5 is provided with an opening; the first handle 4 is provided with a sliding chute 8, and the limiting sliding plate 6 is sleeved in the sliding chute 8; the limiting sliding plate 6 is provided with a pulling block 7 higher than the sliding chute 8, one end of a spring 9 is connected with the pulling block 7, and the other end of the spring is connected with the side wall of the sliding chute 8; a limit groove is arranged at the side of the first handle 4 at the outer end of the sliding plate 6;
the inner guide part 2 comprises a second handle 10, a limiting guide head 11 and a first clamping block 12 matched with the limiting groove, wherein the bottom of the second handle 10 is provided with a bayonet which can extend into the pipe body 5 and is arranged on the first clamping block 12 at the bottom of the second handle 10 from the bottom end and is also provided with a bayonet matched with the outer end of the sliding plate 6;
the puncture needle body 3 comprises a third handle 13, a second fixture block 14, a needle tube 15 and an electrode 16; a needle tube 15 is installed at the center of the bottom of the third handle 13, an electrode 16 is installed at the bottom end of the needle tube 15, a second clamping block 14 matched with the limiting groove is further arranged beside the bottom of the third handle 13, and a bayonet matched with the outer end of the sliding plate 6 is arranged on the second clamping block 14.
The pipe body 5 is a taper pipe with an opening at the bottom, the outer diameter of the taper pipe gradually decreases from top to bottom, and the opening at the bottom end of the pipe body 5 is a rounded angle.
The inner walls of the pull block 7 and the sliding groove 8 are provided with limiting columns, and two ends of the spring 9 are respectively sleeved on the two limiting columns.
The bottom end of the limiting guide head 11 is provided with a semicircular arc surface, and the length of the limiting guide head 11 and the length of the needle tube 15 are both larger than the length of the tube body 5.
And a connecting wire 17 is connected to the outer side of the third handle 13, and one end of the connecting wire 17 is connected with a connector 18.
Specific examples are given below.
A spinal endoscope nerve injury prevention electrode puncture needle comprises a sleeve 1, an inner guide part 2 and a puncture needle main body 3, wherein the sleeve 1 is respectively adapted to the inner guide part 2 or the puncture needle main body 3, the sleeve 1 comprises a first handle 4, a tube body 5 and a limiting sliding plate 6, the bottom of the first handle 4 is provided with the hollow tube body 5, the limiting sliding plate 6 is slidably arranged in the first handle 4, one end of the limiting sliding plate 6 is provided with a pull block 7, a sliding groove 8 is arranged on one side of the pull block 7 and positioned in the first handle 4, a spring 9 is arranged in the sliding groove 8, one end of the spring 9 is connected with the side, close to the sliding groove 8, of the pull block 7, and the other end of the spring 9 is connected with the inner wall of the sliding groove 8, far away from the pull block 7;
the inner guide part 2 comprises a second handle 10, a limiting guide head 11 and a first clamping block 12, the limiting guide head 11 is arranged in the middle of the bottom of the second handle 10, and the first clamping block 12 is arranged at the bottom of the second handle 10 and positioned outside the limiting guide head 11;
the puncture needle body 3 comprises a third handle 13, a second fixture block 14, a needle tube 15 and an electrode 16, the needle tube 15 is arranged at the center of the bottom of the third handle 13, the electrode 16 is arranged at the bottom end of the needle tube 15, and the second fixture block 14 is arranged at the bottom of the third handle 13 and positioned outside the needle tube 15.
As an embodiment of the utility model, the external diameter from the top down of body 5 diminishes gradually, and the radius angle has been seted up to body 5 bottom, during the use, plays the effect of protection nerve when can improving insertion pressure.
Draw piece 7 to be close to spout 8 side and spout 8 to keep away from and draw piece 7 side inner wall and all be provided with spacing post, and the suit is in two spacing post outsides respectively at spring 9 both ends, is convenient for to the spacing installation of spring 9.
The bottom end of the limiting guide head 11 is provided with a semicircular arc surface, the length of the limiting guide head 11 and the length of the needle tube 15 are both larger than the length of the tube body 5, and the limiting guide head 11 of the semicircular arc surface plays a role in protecting nerves when being inserted into treatment.
As an embodiment of the utility model, the outside of the third handle 13 is connected with the connecting wire 17, and connecting wire 17 one end is connected with connector 18, during the use, is connected with external equipment through connector 18, and then gives the electric current stimulation of certain intensity and frequency through electrode 16 and treats.
As an embodiment of the utility model, the first clamping block 12 and the second clamping block 14 are both installed with the limiting slide plate 6, so that the sleeve 1 and the inner guide 2, and the sleeve 1 and the puncture needle body 3 can be conveniently assembled and disassembled during use.
The utility model discloses a reasonable structural design, at first assemble sleeve pipe 1 and interior guide 2, in the process of second handle 10 and the contact of first handle 4, first fixture block 12 acts on spacing slide 6 one end, drive spacing slide 6 and draw piece 7 and press a spring 9 in spout 8, when spacing slide 6 and first fixture block 12 joint each other, spring 9 reconversion realizes the installation of second handle 10 and first handle 4, insert the treatment position with sleeve pipe 1 and interior guide 2 simultaneously, can avoid damaging the nerve in the insertion process through spacing guide 11 and the external diameter of semicircle cambered surface diminishing from top to bottom body 5 gradually;
then the pull block 7 is pulled to compress the spring 9 to separate the sleeve 1 from the inner guide part 2, the sleeve 1 and the puncture needle main body 3 are installed in the same mode, namely the limiting sliding plate 6 and the second clamping block 14 are clamped with each other, the fixed installation of the sleeve 1 and the puncture needle main body 3 is realized, the puncture needle of the electrode 16 can be prevented from displacing during treatment, and the damage to the periphery of the electrode 16 is ensured.
In the embodiment, the outer diameter of the inner guide 2 is larger than that of the puncture needle body 3, the inner guide 2 is firstly inserted into the pipe sleeve 1, then the pipe sleeve 1 is inserted into the treatment part, the damage to the insertion part caused by the opening at the bottom of the pipe body is avoided during the insertion, and then the puncture needle body 3 can be inserted into the puncture needle body for treatment after the inner guide 2 is taken out; the puncture needle main body 3 can be fixedly arranged on the pipe sleeve 1 and can be kept fixed without being manually held.
The utility model discloses a theory of operation: firstly, the sleeve 1 and the inner guide piece 2 are assembled, in the process that the second handle 10 is contacted with the first handle 4, the first clamping block 12 acts on one end of the limiting sliding plate 6 to drive the limiting sliding plate 6 and the pull block 7 to press the spring 9 in the sliding groove 8, when the limiting sliding plate 6 is clamped with the first clamping block 12, the spring 9 is restored to the original state, the second handle 10 and the first handle 4 are installed, the sleeve 1 and the inner guide piece 2 are simultaneously inserted into a treatment part, the pull block 7 is pulled to compress the spring 9 to separate the sleeve 1 from the inner guide piece 2, the sleeve 1 and the puncture needle main body 3 are installed in the same mode, namely, the limiting sliding plate 6 is clamped with the second clamping block 14, the fixed installation of the sleeve 1 and the puncture needle main body 3 is realized, and then electric current with certain intensity and frequency is electrically stimulated through the electrode 16 for treatment.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A spinal endoscope electrode puncture needle for preventing nerve injury is characterized by comprising a sleeve (1), an inner guide (2) and a puncture needle body (3); the cannula (1) can be inserted into the inner guide piece (2) or the puncture needle body (3);
the sleeve (1) comprises a first handle (4), a tube body (5) and a limiting sliding plate (6), the first handle (4) is connected with the top end of the hollow tube body (5), and an opening is formed in the lower end of the tube body (5); the first handle (4) is provided with a sliding chute (8), and the limiting sliding plate (6) is sleeved in the sliding chute (8); a pull block (7) higher than the sliding chute (8) is arranged on the limiting sliding plate (6), one end of a spring (9) is connected with the pull block (7), and the other end of the spring is connected with the side wall of the sliding chute (8); a limiting groove is arranged on the first handle (4) at the side of the outer end of the sliding plate (6);
the inner guide piece (2) comprises a second handle (10), a limiting guide head (11) and a first clamping block (12) matched with the limiting groove, wherein the bottom of the second handle (10) is provided with a first clamping block (12) which can extend into the pipe body (5) and is arranged at the bottom of the second handle (10) from the bottom end, and a bayonet matched with the outer end of the sliding plate (6) is also arranged on the first clamping block (12);
the puncture needle body (3) comprises a third handle (13), a second clamping block (14), a needle tube (15) and an electrode (16); needle tubing (15) are installed to third handle (13) bottom center department, electrode (16) are installed to needle tubing (15) bottom, third handle (13) bottom side still be equipped with spacing recess assorted second fixture block (14), be equipped with on second fixture block (14) with slide (6) outer end assorted bayonet socket.
2. The spinal endoscope nerve injury prevention electrode puncture needle as claimed in claim 1, wherein the tube body (5) is a conical tube with an open bottom, the outer diameter of the conical tube is gradually reduced from top to bottom, and the opening at the bottom end of the tube body (5) is rounded.
3. The spinal endoscope nerve injury prevention electrode puncture needle as claimed in claim 1, wherein the inner walls of the pull block (7) and the chute (8) are provided with limit posts, and two ends of the spring (9) are respectively sleeved on the two limit posts.
4. The spinal endoscope nerve injury prevention electrode puncture needle as claimed in claim 1, wherein the bottom end of the limiting guide head (11) is provided with a semicircular arc surface, and the length of the limiting guide head (11) and the length of the needle tube (15) are both larger than the length of the tube body (5).
5. The spinal endoscope nerve injury prevention electrode puncture needle as claimed in claim 1, wherein a connecting wire (17) is connected to the outside of the third handle (13), and one end of the connecting wire (17) is connected with a connector (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120083892.1U CN214966367U (en) | 2021-01-13 | 2021-01-13 | Spinal endoscope nerve injury prevention electrode puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120083892.1U CN214966367U (en) | 2021-01-13 | 2021-01-13 | Spinal endoscope nerve injury prevention electrode puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214966367U true CN214966367U (en) | 2021-12-03 |
Family
ID=79140321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120083892.1U Expired - Fee Related CN214966367U (en) | 2021-01-13 | 2021-01-13 | Spinal endoscope nerve injury prevention electrode puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214966367U (en) |
-
2021
- 2021-01-13 CN CN202120083892.1U patent/CN214966367U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |