CN221770181U - Enhanced ultrasonic development needle knife - Google Patents
Enhanced ultrasonic development needle knife Download PDFInfo
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- CN221770181U CN221770181U CN202322923955.1U CN202322923955U CN221770181U CN 221770181 U CN221770181 U CN 221770181U CN 202322923955 U CN202322923955 U CN 202322923955U CN 221770181 U CN221770181 U CN 221770181U
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- needle
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- 238000002604 ultrasonography Methods 0.000 claims abstract description 14
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 230000001965 increasing effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 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
- 230000001575 pathological effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses an enhanced ultrasonic development needle knife, which comprises a needle knife main body and a needle knife handle; one end of the needle knife main body is detachably connected with the needle knife handle, and the other end is a needle knife edge; the outer wall of the needle knife body, which is close to the needle knife edge, is provided with crossed spiral grooves, the spiral grooves are used for enhancing development under ultrasound, and the needle knife edge is provided with transverse grooves, so that the development is clearer and is not easy to blur; the needle knife body is hollow, a cylindrical slotted hole I is formed in the needle knife handle along the length direction, and the cylindrical slotted hole I is communicated with the hollow part in the needle knife body; the needle knife handle comprises a fixed knife handle and a rotary knife handle; the two sides of the fixed knife handle are connected with a fixing structure in a sliding manner and are used for fixing an included angle formed by the fixed knife handle and the rotary knife handle; the rotating knife handle rotates 90 degrees, so that the angle between the needle knife and the body can be reduced, and more complex illness states can be treated.
Description
Technical Field
The utility model relates to the field of medical instruments for hand minimally invasive surgery, in particular to an enhanced ultrasonic development needle knife.
Background
Needle knife therapy is a closed loosening operation between an operation method and a non-operation therapy, and quantitatively loosens pathological tissues by penetrating deep parts to pathological changes at treatment positions so as to achieve the aim of relieving pain and eliminating diseases, but the needle knife is inserted into the body of a patient and basically operated by depending on the experience of doctors, so that the needle knife has certain potential safety hazard; along with the development of medical level, the needle knife and the ultrasound are combined, and the position of the needle knife in the body of a patient can be observed by utilizing the advantage of ultrasound development, so that a doctor is assisted to complete treatment better;
However, when the needle knife enters a deeper part of the body or the coating is separated, the development of the needle knife, especially the needle knife edge, is unclear, so that surgical errors and even medical accidents are easily caused, and the utility model provides the enhanced ultrasonic development needle knife.
Disclosure of utility model
The utility model aims to provide an enhanced ultrasonic development needle knife so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
An enhanced ultrasonic development needle knife comprises a needle knife main body and a needle knife handle; one end of the needle knife main body is detachably connected with the needle knife handle, and the other end is a needle knife edge; the outer wall of the needle knife main body, which is close to the needle knife edge, is provided with crossed spiral grooves, the spiral grooves are used for enhancing development under ultrasound, and the needle knife edge is provided with a transverse groove; the needle knife body is hollow, the needle knife handle is internally provided with a cylindrical slotted hole I along the length direction, and the cylindrical slotted hole I is communicated with the hollow part inside the needle knife body;
The needle knife handle comprises a fixed knife handle and a rotary knife handle; the outer wall of the end part of the rotary knife handle, which is close to the fixed knife handle, is semicircular, and the rotary knife handle rotates along a path formed by the semicircular outer wall of the end part to form a degree or a degree included angle with the fixed knife handle;
The fixed knife handle is provided with a fixed structure in a sliding connection manner at two sides, and the fixed structure is used for fixing an included angle formed by the fixed knife handle and the rotary knife handle.
Preferably, the fixed shafts are fixedly connected to two sides of the rotary cutter handle, and the fixed shafts are provided with crisscross through holes along the length direction and the width direction of the rotary cutter handle.
Preferably, the end part of the rotary knife handle, which is close to the fixed knife handle, is provided with a second cylindrical groove, and when the fixed knife handle forms an included angle with the rotary knife handle, the second cylindrical groove is communicated with the hollow part inside the needle knife main body.
Preferably, the longitudinal section of one side of the end part of the fixed knife handle, which is close to the rotary knife handle, is arc-shaped, and the arc-shaped is matched with the semicircle of the rotary knife handle.
Preferably, the fixing structure comprises a fixing plate and a sliding plate, and the fixing plate is connected with the sliding plate in a sliding manner; the fixed plate is close to the fixed shaft end fixedly connected with an insertion rod, and the insertion rod is inserted into a through hole formed in the fixed shaft through sliding the fixed plate.
Preferably, the two sides of the end part of the fixed knife handle, which is close to the rotary knife handle, are provided with the abutting strips, and the abutting strips are on the same side with the fixed plate; the abutting strip can descend to the inside of the fixed cutter handle under the external acting force; when the insertion rod is inserted into the fixed shaft, the abutting strip leaks out of the fixed knife handle and is used for abutting against the fixed plate; the abutting strip is pressed into the fixed cutter handle through the sliding plate, and the sliding plate is far away from the fixed shaft.
Compared with the prior art, the utility model has the beneficial effects that:
The needle knife main body close to the needle knife edge is provided with the crossed spiral grooves, so that the reflecting area of ultrasonic is increased, the development is clearer, the ultrasonic is not easy to blur, meanwhile, the smaller grooves are formed in the needle knife edge, the observation of the position of the needle knife in the body is more careful, the safety of operation is improved, the cylindrical groove I is communicated with the hollow part of the needle knife main body, liquid medicine can be input into the body of a patient through the injector, the thinner and longer needle knife can penetrate through the cylindrical groove I and penetrate through the needle knife main body, the length of the needle knife is prolonged, and the position of the body which cannot be reached by the needle knife with the conventional length is reached, so that the needle knife is used for treating deeper focuses; the rotary knife handle rotates 90 degrees and is perpendicular to the fixed knife handle, so that the second cylindrical groove is communicated with the hollow part of the needle knife main body, the thinner and longer needle knife can be inserted through the second cylindrical groove, the length of the needle knife is prolonged, the rotary knife handle is grasped by hands, the needle knife can be further reduced to be closer to the surface of a body, more adhesion tissues are loosened, and more complex illness conditions are treated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the needle handle of the present utility model;
FIG. 3 is a schematic view showing the structure of the fixing plate of the present utility model;
FIG. 4 is a schematic view of the structure of the fixing structure of the present utility model;
FIG. 5 is an enlarged view of the structure of FIG. 4A in accordance with the present utility model;
FIG. 6 is a schematic view of a structure in which the rotating handle and the fixed handle form an included angle of 90 degrees.
In the figure: 1 needle knife main body, 2 needle knife handle, 21 fixed knife handle, 22 rotary knife handle, 3 needle knife edge, 31 fixed structure, 41 fixed axle, 51 fixed plate, 511 insert rod, 52 sliding plate, 53 butt strip.
Detailed Description
Example 1:
referring to fig. 1-6, the present utility model provides a technical solution:
As shown in fig. 1, an enhanced ultrasonic development needle knife comprises a needle knife main body 1 and a needle knife handle 2; one end of the needle knife main body 1 is detachably connected with the needle knife handle 2, the other end is provided with a needle knife edge 3, and the needle knife edge 3 is provided with transverse threads, so that development can be enhanced under ultrasound; the outer wall of the needle knife main body 1 close to the needle knife edge 3 is provided with crossed spiral grooves, the needle knife edge 3 is provided with transverse grooves, the area of the needle knife main body 1 is increased by the spiral grooves and the transverse grooves, and the reflection of the spiral grooves is used for enhancing development under ultrasound, so that the ultrasound development display is more stable and clearer; the needle knife body 1 is hollow, the needle knife handle 2 is internally provided with a cylindrical slotted hole I along the length direction, and the cylindrical slotted hole I is communicated with the hollow part inside the needle knife body 1; the needle knife can be inserted into the cylindrical slotted hole I by using a thinner and longer needle knife, penetrates through the needle knife main body 1, is convenient to insert the needle knife into a deeper position of a patient body, and improves the operation effect;
As shown in fig. 1-2, the needle holder 2 includes a fixed holder 21 and a rotating holder 22; the outer wall of the end part of the rotary knife handle 22, which is close to the fixed knife handle 21, is semicircular, and the rotary knife handle 22 rotates along a path formed by the semicircular outer wall of the end part to form an included angle of 90 degrees or 180 degrees with the fixed knife handle 21; the fixed handle of a knife 21 both sides sliding connection has fixed knot to construct 31 for fix the contained angle that fixed handle of a knife 21 formed with rotating handle of a knife 22.
The end part of the rotary knife handle 22, which is close to the fixed knife handle 21, is provided with a second cylindrical groove, and when the fixed knife handle 21 forms an included angle of 90 degrees with the rotary knife handle 22, the second cylindrical groove is communicated with the hollow part inside the needle knife main body 1; a solid needle knife which is thinner and longer and provided with an annular groove on the surface can be inserted through the second cylindrical groove and penetrates through the needle knife main body 1, as shown in fig. 6; the doctor can grasp the rotary knife handle 22, reduce the angle between the needle knife main body 1 and the patient body, perform more complicated operation, and improve the operation effect.
Fixed shafts 41 are fixedly connected to two sides of the rotary knife handle 22, and the fixed shafts 41 are provided with crisscross through holes along the length direction and the width direction of the rotary knife handle 22; the longitudinal section of one side of the end part of the fixed knife handle 21, which is close to the rotary knife handle 22, is arc-shaped, and the curvature of the arc is matched with the semicircle of the rotary knife handle 22, so that the rotary knife handle 22 is smooth and silky when rotating.
Specifically, as shown in fig. 3 to 5, the fixing structure 31 includes a fixing plate 51 and a sliding plate 52, and the fixing plate 51 is slidably connected to the sliding plate 52; the fixed plate 51 is streamline, the height gradually decreases from the end close to the fixed shaft 41 to the other end, a plurality of anti-slip grooves are formed in the upper surface of the fixed plate 51, an insertion rod 511 is fixedly connected to the end, close to the fixed shaft 41, of the fixed plate 51 for increasing friction, the insertion rod 511 is inserted into a through hole formed in the fixed shaft 41 through sliding of the fixed plate 51, and the rotary knife handle 22 is fixed with the fixed knife handle 21 to prevent rotation;
The two sides of the end part of the fixed knife handle 21, which is close to the rotary knife handle 22, are provided with the abutting strips 53, the abutting strips 53 are on the same side as the fixed plate 51, the abutting strips 53 can descend into the fixed knife handle 21 under the external acting force, and the abutting strips 53 protrude from the inside of the fixed knife handle 21 in a natural state; when the insertion rod 511 is inserted into the fixed shaft 41, the abutting strip 53 leaks from the inside of the fixed handle 21 to abut against the fixed plate 51, preventing the fixed plate 51 from automatically sliding in the direction of the fixed handle 21; the abutting strip 53 is pressed into the fixed cutter handle 21 by the sliding plate 52, the fixed plate 51 is slid, the insertion rod 511 is separated from the fixed shaft 41, the fixed plate 51 is far away from the fixed shaft 41, and the rotary cutter handle 22 can freely rotate.
Working principle: when the fixed knife handle 21 and the rotary knife handle 22 form an included angle of 180 degrees, a doctor slides the fixed plate 51 towards the fixed shaft 41 by hand, and because the volume of the fixed plate 51 is smaller, the surface of the fixed plate 51 is provided with an anti-skid slot, so that the friction force between the fixed plate and the hand is increased, and the sliding is more convenient; before the insertion rod 511 is completely inserted into one of the through holes formed in the fixed shaft 41, the abutment bar 53 is pressed by the fixed plate 51 and is positioned inside the fixed handle 21; when the fixing plate 51 slides up until the insertion rod 511 is completely inserted into the through hole, the fixing plate 51 does not press the abutment bar 53 any more, the abutment bar 53 leaks out from the inside of the fixing handle 21 and abuts against the end of the fixing plate 51 away from the fixing shaft 41, preventing the fixing plate 51 from sliding down; so that the fixation between the fixed knife handle 21 and the rotary knife handle 22 is more stable;
The outer wall of the needle knife main body, which is close to the needle knife edge 3, is provided with crossed spiral grooves, and the surface of the needle knife edge 3 is provided with smaller transverse grooves, so that the ultrasonic reflection area is increased, and the definition of ultrasonic development is improved; the solid needle knife which is thinner and longer than the needle knife main body 1 can be used to pass through the cylindrical groove 1 and penetrate through the needle knife main body 1, the needle knife leaks from the needle knife edge 3, the length of the needle knife is prolonged, and meanwhile, the same spiral groove as the needle knife main body 1 is formed in the outer surface of the solid needle knife, so that the needle knife can be inserted into the deep part of the patient body, the deep focus of the patient body is treated, the treatment effect is enhanced, and the liquid medicine can be input into the patient body through the cylindrical groove I, so that the recovery of the illness state is accelerated.
The fixed knife handle 21 and the rotary knife handle 22 can also rotate leftwards from an included angle of 180 degrees to an included angle of 90 degrees, as shown in fig. 6; specifically, the doctor slides the sliding plate 52 towards the fixed knife handle 21 by hand, and pressure is applied to the abutting strip 53 in the sliding process of the sliding plate 52, so that the abutting strip 53 gradually moves towards the inside of the fixed knife handle 21; the upper surface of the abutting strip 53 is arc-shaped, when the end part of the fixing plate 52 is positioned at the arc-shaped upper part of the abutting strip 53, the fixing plate 51 slides towards the direction of the fixed knife handle 21, and the abutting strip 53 completely falls into the fixed knife handle 21 under the action force of the fixing plate 51; continuing to slide the fixing plate 51 toward the fixing shank 21 until the insertion rod 511 is completely separated from the fixing shaft 41; rotating the rotary knife handle 22 to the left, wherein an included angle between the rotary knife handle 22 and the fixed knife handle 21 is 90 degrees; the fixed plate 51 is slid toward the rotating handle 22 again, so that the insertion rod 511 is inserted into the other through hole formed in the fixed shaft 41, the abutting strip 53 leaks from the inside of the fixed handle 21, the fixed plate 51 is prevented from sliding, and the stability between the fixed handle 21 and the rotating handle 22 is reduced; when a doctor grabs the rotary knife handle 22 by hand, the needle knife main body 1 can be closer to the surface of a patient, so that the angle between the needle knife main body 1 and the surface of the patient is smaller, more adhesion tissues are loosened, or some lesions where the angle of the common needle knife is difficult to reach are treated, and the needle knife main body can still be clearly developed under ultrasound due to the existence of the spiral groove; the needle knife body 1 can be inserted with a thinner and longer needle knife, so that the needle knife enters deeper layers of the body, the treatment effect of the operation is improved, and the patient is helped to recover faster.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. An enhanced ultrasonic development needle knife, which is characterized in that: comprises a needle knife main body (1) and a needle knife handle (2); one end of the needle knife main body (1) is detachably connected with the needle knife handle (2), and the other end is a needle knife edge (3); the outer wall of the needle knife main body (1) close to the needle knife edge (3) is provided with crossed spiral grooves, the spiral grooves are used for enhancing development under ultrasound, and the needle knife edge (3) is provided with a transverse groove; the needle knife body (1) is hollow, the needle knife handle (2) is internally provided with a cylindrical slotted hole I along the length direction, and the cylindrical slotted hole I is communicated with the hollow part inside the needle knife body (1);
The needle knife handle (2) comprises a fixed knife handle (21) and a rotary knife handle (22); the outer wall of the end part of the rotary knife handle (22) close to the fixed knife handle (21) is semicircular, and the rotary knife handle (22) rotates along a path formed by the semicircular outer wall of the end part to form an included angle of 90 degrees or 180 degrees with the fixed knife handle (21);
The two sides of the fixed knife handle (21) are slidably connected with a fixing structure (31) for fixing an included angle formed by the fixed knife handle (21) and the rotary knife handle (22).
2. The enhanced ultrasound development needle knife of claim 1, wherein: fixed shafts (41) are fixedly connected to two sides of the rotary knife handle (22), and crisscross through holes are formed in the fixed shafts (41) along the length direction and the width direction of the rotary knife handle (22).
3. The enhanced ultrasound development needle knife of claim 1, wherein: the end part of the rotary knife handle (22) close to the fixed knife handle (21) is provided with a second cylindrical groove, and when the fixed knife handle (21) forms an included angle of 90 degrees with the rotary knife handle (22), the second cylindrical groove is communicated with the hollow part inside the needle knife main body (1).
4. The enhanced ultrasound development needle knife of claim 1, wherein: the longitudinal section of one side of the end part of the fixed knife handle (21) close to the rotary knife handle (22) is arc-shaped, and the arc shape is matched with the semicircle of the rotary knife handle (22).
5. An enhanced ultrasound development needle knife according to claim 2, wherein: the fixing structure (31) comprises a fixing plate (51) and a sliding plate (52), and the fixing plate (51) is connected with the sliding plate (52) in a sliding manner; the end part of the fixed plate (51) close to the fixed shaft (41) is fixedly connected with an inserting rod (511), and the inserting rod (511) is inserted into a through hole formed in the fixed shaft (41) through sliding the fixed plate (51).
6. The enhanced ultrasound development needle knife of claim 5, wherein: two sides of the end part of the fixed knife handle (21) close to the rotary knife handle (22) are provided with abutting strips (53), and the abutting strips (53) are on the same side with the fixed plate (51); the abutting strip (53) is lowered to the inside of the fixed cutter handle (21) under the action of external force; when the insertion rod (511) is inserted into the fixed shaft (41), the abutting strip (53) leaks out of the fixed knife handle (21) and is used for abutting against the fixed plate (51); the abutting strip (53) is pressed into the fixed knife handle (21) through the sliding plate (52), and the sliding plate (51) is far away from the fixed shaft (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923955.1U CN221770181U (en) | 2023-10-27 | 2023-10-27 | Enhanced ultrasonic development needle knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923955.1U CN221770181U (en) | 2023-10-27 | 2023-10-27 | Enhanced ultrasonic development needle knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221770181U true CN221770181U (en) | 2024-09-27 |
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ID=92834140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322923955.1U Active CN221770181U (en) | 2023-10-27 | 2023-10-27 | Enhanced ultrasonic development needle knife |
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| Country | Link |
|---|---|
| CN (1) | CN221770181U (en) |
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2023
- 2023-10-27 CN CN202322923955.1U patent/CN221770181U/en active Active
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