CN217548177U

CN217548177U - Novel puncture needle

Info

Publication number: CN217548177U
Application number: CN202221251992.1U
Authority: CN
Inventors: 李兴可; 鲁明; 赵绍云; 蔡俊斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-11
Anticipated expiration: 2032-05-23

Abstract

The utility model provides a novel puncture needle. The novel puncture needle comprises a handle; the puncture structure is fixed at one end of the handle, the needle sheath is fixed at one end of the fixed block, and the second length mark is arranged on the side wall of the puncture needle; a cannula sliding on an outer sidewall of the needle sheath; the needle threading structure slides in the needle sheath; a fixed structure mounted to a sidewall of the sleeve; the fixed indicating structure is mounted on the side wall of the threaded pipe; the pasting structure is fixed on the side walls of the first positioning sheet and the second positioning sheet; a pushing structure sliding inside the needle sheath. The utility model provides a novel pjncture needle has the degree of accuracy and the direction to the puncture position that the beginner can relax of being convenient for and carries out the accuse, avoids producing the advantage that the deviation caused irreversible fatal damage to the patient.

Description

Novel puncture needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel pjncture needle.

Background

With the wide application of the minimally invasive technology in the field of neurosurgery, the application range of the puncture needle is wider and wider, and the application modes are more and more diversified. The puncture needle used in neurosurgery operation refers to a metal needle (comprising a needle core and a needle sheath) which passes through skin, soft tissue or brain parenchyma and enters into the brain parenchyma, the ventricle, the subdural space or some skull base pore canals, wherein the needle sheath can be used for draining liquid and is further used for guiding operation materials such as catheters, guide wires and the like to enter into the body so as to provide a channel for further operation; the puncture drainage device is most commonly used for intracerebral hematoma puncture drainage, ventricular puncture drainage, lumbar puncture and foramen ovale puncture in trigeminal nerve semilunar ganglion micro-balloon compression, and the minimally invasive surgery avoids the limitation and risk of craniotomy, and particularly for trigeminal neuralgia patients, the percutaneous puncture trigeminal nerve semilunar ganglion micro-balloon compression avoids complications which are caused by craniotomy, and has the advantages of short hospitalization time, small wound, strong repeatability, few complications and low cost through puncture treatment, and is particularly suitable for patients with high age and weak body.

When the puncture needle is used, the puncture direction is relatively high, and for a beginner, the direction of the puncture position is difficult to control, and slight deviation can cause operation failure and even cause irreversible fatal damage to a patient.

Therefore, there is a need to provide a new and novel puncture needle to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel pjncture needle to the degree of accuracy and the direction of puncture position that the beginner can relax carries out the control, avoids producing the deviation and causes irreversible fatal damage to the patient.

The utility model provides a novel puncture needle includes: a handle; the puncture structure is fixed at one end of the handle and comprises a fixed block, a needle sheath and a second length mark, the fixed block is fixed at one end of the handle, the needle sheath is fixed at one end of the fixed block, and the second length mark is arranged on the side wall of the puncture needle; a cannula sliding on an outer sidewall of the needle sheath; the needle threading structure slides in the needle sheath and comprises a fixed head and a puncture needle, the puncture needle slides in the needle sheath, and the fixed head is fixed at one end of the puncture needle; the fixing structure is arranged on the side wall of the sleeve and comprises a threaded pipe, a first nut, a clamping ring, a second nut, a first inclined surface and a second inclined surface, the threaded pipe is arranged on the side wall of the sleeve, the first nut is arranged on the side wall of the threaded pipe, the second nut is arranged on the side wall of the threaded pipe, the clamping ring is fixed at one end of the threaded pipe, the first inclined surface is arranged at one end inside the second nut, and the second inclined surface is arranged on the side wall of one end of the clamping ring; the fixed indication structure is mounted on the side wall of the threaded pipe and comprises a first sleeve ring, a first positioning piece, a second sleeve ring, a second positioning piece, a limiting ring, a limiting groove and a lug, the first sleeve ring is mounted on the side wall of the threaded pipe, the second sleeve ring is mounted on the side wall of the threaded pipe, the first positioning piece is fixed on the side wall of the first sleeve ring, the second positioning piece is fixed on the side wall of the second sleeve ring, the limiting ring is fixed on the top surface of the second sleeve ring, the limiting groove is formed in the bottom surface of the first sleeve ring, and the lug is fixed on the side walls of the first sleeve ring and the second sleeve ring; the sticking structure is fixed on the side walls of the first positioning sheet and the second positioning sheet and comprises a viscose glue and anti-sticking paper, the viscose glue is fixed on the side walls of the first positioning sheet and the second positioning sheet, and the anti-sticking paper is fixed on the side walls of the viscose glue; the propelling movement structure, the propelling movement structure slide in the inside of pin sheath, the propelling movement structure includes sacculus sleeve pipe, trigeminal sacculus and first length mark, the sacculus sleeve pipe slide in the inside of pin sheath, the trigeminal sacculus is fixed in the one end of sacculus sleeve pipe, first length mark is located the lateral wall of sacculus sleeve pipe.

Preferably, the inner diameter of the needle sheath is 1.8.mm in length and the outer diameter of the needle sheath is 2.1.mm in length.

Preferably, the trigeminal balloon has a length of 15mm-17mm.

Preferably, the first positioning piece and the second positioning piece are made of metal elastic pieces, and the first positioning piece and the second positioning piece are the same.

Preferably, the first collar and the second collar slide on the side wall of the threaded pipe, the limiting ring slides inside the limiting groove, and the second collar is rotatably connected with the first collar through the limiting ring.

Preferably, one end side wall of the clamping ring is not connected, and the diameter of the middle position of the side wall of the clamping ring is larger than the diameter of the side walls at the two ends.

Preferably, one end of the second nut is in threaded connection with the threaded pipe, the first inclined plane corresponds to the second inclined plane, and the inner diameter of the other end of the second nut is smaller than the diameter of the middle position of the clamping ring.

Compared with the prior art, the utility model provides a novel pjncture needle has following beneficial effect:

the utility model provides a novel puncture needle which can be applied to percutaneous foramen ovale puncture in ventricular puncture, intracerebral hematoma puncture, trigeminal semilunar ganglion microballoon compression surgery and the like; taking the puncture operation of trigeminal neuralgia as an example: the puncture method comprises the steps of marking a puncture position with a position 3-4 centimeters outside an oral angle of a patient, drawing two auxiliary lines with eyes and ears as references on the face of the patient, marking the puncture position with a position 3-4 centimeters outside the oral angle of the patient, drawing two auxiliary lines with the eyes and the ears as references on the face of the patient, fixing a sleeve to a position more than 6cm away from the end of a needle sheath, rotating a first lantern ring and a second lantern ring, adjusting the angles of the first positioning sheet and the second positioning sheet, adjusting and positioning the angles of the first positioning sheet and the second positioning sheet according to the auxiliary lines drawn on the face of the patient until the first positioning sheet and the second positioning sheet of a fixed indication structure cover the two auxiliary lines, pushing a puncture needle to drive the needle sheath to puncture inwards from a puncture point, finely adjusting the puncture needle until a determined position is reached when the bone hole position inside a skull is reached, then pulling the needle structure out from the inside of the puncture structure, sliding one end of the push structure from the puncture point inwards from the puncture point, pushing the three-branch nerve structures into the skull puncture structure to push the skull puncture structure slowly and push the skull puncture balloon type puncture structure to prevent the skull puncture structure from the skull puncture time and push the skull puncture structure from the skull puncture point to the skull puncture point, and push the skull puncture structure to cause the skull puncture time deviation, and push the skull puncture balloon type puncture balloon, and push the skull puncture balloon, so that the skull puncture structure can be easily.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the novel puncture needle provided by the utility model;

FIG. 2 is a schematic structural view of another overall structure shown in FIG. 1;

FIG. 3 is a schematic structural view of the overall front cross-section shown in FIG. 1;

FIG. 4 is a schematic structural view of the overall front cross-section shown in FIG. 2;

FIG. 5 is an enlarged view of the portion A shown in FIG. 3;

FIG. 6 is an enlarged view of the portion B shown in FIG. 3;

FIG. 7 is an enlarged view of the portion C shown in FIG. 5;

fig. 8 is an enlarged schematic view of a portion D shown in fig. 4.

Reference numbers in the figures: 1. the puncture structure comprises a handle, 2, a puncture structure, 21, a fixing head, 22, a puncture needle, 3, a puncture structure, 31, a fixing block, 32, a needle sheath, 33, a second length mark, 4, a fixing structure, 41, a threaded pipe, 42, a first nut, 43, a clamping ring, 44, a second nut, 45, a first inclined plane, 46, a second inclined plane, 5, a fixing indication structure, 51, a first sleeve ring, 52, a first positioning sheet, 53, a second sleeve ring, 54, a second positioning sheet, 55, a limiting ring, 56, a limiting groove, 57, a lug, 6, a pasting structure, 61, a viscose glue, 62, anti-sticking paper, 7, a sleeve pipe, 8, a pushing structure, 81, a balloon sleeve pipe, 82, a trigeminal nerve balloon, 83 and a first length mark.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, in which fig. 1 is a schematic structural view of a preferred embodiment of the novel puncture needle provided by the present invention; FIG. 2 is a schematic structural view of another overall structure shown in FIG. 1; FIG. 3 is a schematic structural view of the overall front cross-section shown in FIG. 1; FIG. 3 is a schematic structural view of the overall front cross-section shown in FIG. 2; FIG. 5 is an enlarged view of the portion A shown in FIG. 3; FIG. 6 is an enlarged schematic view of the portion B shown in FIG. 3; FIG. 7 is an enlarged view of the portion C shown in FIG. 5; fig. 8 is an enlarged schematic view of a portion D shown in fig. 4. The novel puncture needle comprises; a handle 1; the puncture structure 3 is fixed at one end of the handle 1, the puncture structure 3 comprises a fixing block 31, a needle sheath 32 and second length marks 33, the fixing block 31 is fixed at one end of the handle 1, the fixing block 31 and the needle sheath 32 are of an integrated structure, the needle sheath 32 is fixed at one end of the fixing block 31, and the second length marks 33 are arranged on the side wall of the puncture needle; a cannula 7, wherein the cannula 7 slides on the outer side wall of the needle sheath 32; the needle threading structure 2 slides inside the needle sheath 32, the needle threading structure 2 comprises a fixed head 21 and a puncture needle 22, the puncture needle 22 slides inside the needle sheath 32, and the fixed head 21 is fixed at one end of the puncture needle 22; the fixing structure 4 is mounted on the side wall of the sleeve 7, the fixing structure 4 includes a threaded pipe 41, a first nut 42, a snap ring 43, a second nut 44, a first inclined surface 45 and a second inclined surface 46, the threaded pipe 41 is mounted on the side wall of the sleeve 7, the first nut 42 is mounted on the side wall of the threaded pipe 41, the second nut 44 is mounted on the side wall of the threaded pipe 41, the snap ring 43 is fixed at one end of the threaded pipe 41, the first inclined surface 45 is arranged at one end inside the second nut 44, and the second inclined surface 46 is arranged at one end of the snap ring 43; the fixed indicating structure 5 is mounted on the side wall of the threaded pipe 41, and is suitable for brain surgery, the fixed indicating structure 5 includes a first collar 51, a first positioning piece 52, a second collar 53, a second positioning piece 54, a limiting ring 55, a limiting groove 56 and a protrusion 57, the first collar 51 is mounted on the side wall of the threaded pipe 41, the second collar 53 is mounted on the side wall of the threaded pipe 41, the first positioning piece 52 is fixed on the side wall of the first collar 51, the second positioning piece 54 is fixed on the side wall of the second collar 53, the limiting ring 55 is fixed on the top surface of the second collar 53, the limiting groove 56 is arranged on the bottom surface of the first collar 51, and the protrusion 57 is fixed on the side walls of the first collar 51 and the second collar 53; the adhering structure 6 is fixed on the side walls of the first positioning sheet 52 and the second positioning sheet 54, the adhering structure 6 comprises an adhesive 61 and a piece of release paper 62, the adhesive 61 is fixed on the side walls of the first positioning sheet 52 and the second positioning sheet 54, and the piece of release paper 62 is fixed on the side wall of the adhesive 61; push structure 8, push structure 8 slide in the inside of needle sheath 32, push structure 8 includes balloon sleeve 81, trigeminal balloon 82 and first length mark 83, balloon sleeve 81 slide in the inside of needle sheath 32, trigeminal balloon 82 is fixed in balloon sleeve 81's one end, first length mark 83 is located balloon sleeve 81's lateral wall.

In the specific implementation process, as shown in fig. 1, 2 and 3, the length of the inner diameter of the needle sheath 32 is 1.8mm, and the length of the outer diameter of the needle sheath 32 is 2.1mm, so that the needle sheath 32 can be ensured to have the function of puncture, and the discomfort of a patient during puncture can be greatly reduced.

In a specific implementation, as shown in fig. 1, 2 and 4, the length of the trigeminal balloon 82 is 15mm-17mm, and the trigeminal balloon 24 is expanded by a developing machine after being implanted into a trigeminal nerve, so that the effect of relieving pressure on the trigeminal nerve is achieved, and pain is relieved.

In a specific implementation process, as shown in fig. 1, 3 and 5, the first positioning sheet 52 and the second positioning sheet 54 are made of metal elastic sheets, and the first positioning sheet 52 and the second positioning sheet 54 are the same, so that the first positioning sheet 52 and the second positioning sheet 54 can be conveniently positioned according to the eyes and the ears of the patient, and the first positioning sheet 52 and the second positioning sheet 54 are fixed on the face of the patient through the adhesive 61.

In a specific implementation process, as shown in fig. 1 and 3, the first collar 51 and the second collar 53 slide on the sidewall of the threaded pipe 41, the limiting ring 55 slides inside the limiting groove 56, and the second collar 53 is rotatably connected to the first collar 51 through the limiting ring 55, so that the positions of the first positioning piece 52 and the second positioning piece 54 can be changed by rotating the first collar 51 and the second collar 53, and the first positioning piece 52 and the second positioning piece 54 can be more accurately aligned with the eye and the ear of a reference object.

In a specific implementation process, as shown in fig. 1, 3 and 4, one end side wall of the snap ring 43 is in a concave shape and is not connected, and the diameter of the center of the side wall of the snap ring 43 is larger than the diameters of the side walls at two ends, so that one end of the snap ring 43 is flexible and can deform when being extruded.

In a specific implementation process, as shown in fig. 1 and 3, one end of the second nut 44 is in threaded connection with the threaded tube 41, the first inclined surface 45 corresponds to the second inclined surface 46, and the inner diameter of the other end of the second nut 44 is smaller than the diameter of the middle of the snap ring 43, so that when the threaded tube 41 is in threaded connection with the second nut 44, the side wall of one end of the snap ring 43 is pressed by the second nut 44, the snap ring 43 is deformed and abutted against the side wall of the needle sheath 32, and the threaded tube 41 is fixed on the side wall of the needle sheath 32.

The utility model provides a novel puncture needle's theory of operation as follows:

when in use, the puncture needle can be applied to puncture of percutaneous foramen ovale in ventricular puncture, intracerebral hematoma puncture, and trigeminal semilunar ganglion microballoon compression surgery, etc.; taking the puncture operation of trigeminal neuralgia as an example: marking a puncture position at a position 3-4 cm outside the patient's mouth and horn, drawing two auxiliary lines on the face of the patient with the eyes and ears as references, marking the puncture position at a position 3-4 cm outside the patient's mouth and horn, drawing two auxiliary lines on the face of the patient with the eyes and ears as references, screwing the first nut 42 to the threaded sleeve by rotating the first nut 42, pressing the first nut 42 against the top end of the first collar 51 to press the first collar 51 against the second collar 53, increasing the friction force of the first collar 51 against the second collar 53 due to the protrusions 57 on the contact surfaces of the first collar 51 and the second collar 53, so that the first collar 51 and the second collar 53 cannot be easily rotated again, and then screwing the second nut 44 to the side wall of the threaded tube 41, the second nut 44 is pressed against the snap ring 43 fixed to the tip of the threaded tube 41, the snap ring 43 is deformed to abut against the side wall of the hub 7, the threaded tube 41 is fixed to the side wall of the hub 7 via the snap ring 43, the puncture needle 22 is slid in from one end of the sheath 32, the sheath 32 is slid in via one end of the hub 7, the sheath 32 is slid in inside the hub 7 without deviation due to the inner diameter of the hub 7 being close to the diameter of the sheath 32, the hub 7 is fixed to a position more than 6cm away from the end of the sheath 32, the first collar 51 and the second collar 53 are rotated, the angles of the first and

second positioning pieces

52 and 54 are adjusted, and the angles of the first and

second positioning pieces

52 and 54 are adjusted according to the auxiliary line drawn on the patient's face Positioning, until the first positioning sheet 52 and the second positioning sheet 54 of the fixed indicating structure 5 are covered on two auxiliary lines, pushing the puncture needle 22, the puncture needle 22 drives the needle sheath 32 to puncture inwards from a puncture point, when reaching the bone hole position inside the skull, finely adjusting the puncture needle 22 until reaching a determined position, at this time, taking out the puncture needle 22, leaving the needle sheath 32 in the skull, sliding the balloon sleeve 81 fixed with one end of the trigeminal balloon 82 into the skull from one end of the needle sheath 32, then pushing the trigeminal balloon 24 to a terminal Mark through the needle sheath 32 by the balloon sleeve 81, wherein the balloon sleeve 81 cannot exceed two centimeters from the needle sheath 32, then slowly filling the trigeminal balloon 24, and filling the breast into a pear shape or a pear-like shape of the posterior fossa, and pressing the elderly for about three minutes in half a month, wherein the appropriate time can be prolonged, so that beginners can easily control the accuracy and direction of the puncture position, and avoid irreversible injury of patients caused by the occurrence of filling deviation.

The cannula 7 can also be slid outside the needle sheath 32, the puncture position is marked at the position 3-4 cm outside the corner of the mouth of the patient, then two auxiliary lines are drawn on the face of the patient by taking the eyes and the ears as references, so that one end of the cannula 77 is abutted against the puncture position marked at the corner of the mouth of the patient, then the positioning structure 5 is abutted on two auxiliary lines of the face of the patient by rotating the positioning structure 5, then, by sliding the fixing structure 4 again on the side wall of the sleeve 7, the position of the positioning structure 5 is adjusted, the positioning structure 5 is then adhesively fixed on the face of the patient by the adhesive structure 6, then, by rotating the fixing structure 4, the positioning structure 5 is fixed on the side wall of the sleeve 7 through the fixing structure 4, then the end of the puncturing structure 3 is inserted from the end of the cannula 7, the puncturing structure 3 is slid inside the cannula 7, since the inner diameter of the cannula 7 does not differ much from the diameter of the piercing structure 3, the position of insertion of the piercing structure 3 does not deviate from the central position of the marker point, the length of insertion can be judged by the second length mark 33 arranged on the side wall of the puncture mechanism 3, then the pushing structure pushes the trigeminal nerve balloon to the end Mark through the puncture structure 3, then the trigeminal nerve saccule 24 is slowly filled, the filled nipple appears towards the pear shape or the pear-like shape of the back fossa cranii, and the compression is performed for about half a month and three minutes, so that the old can properly prolong the time, and the trigeminal nerve saccule has the advantages that beginners can easily control the accuracy and the direction of the puncture position, and irreversible and fatal injury to patients due to deviation is avoided.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A novel puncture needle is characterized by comprising:

a handle (1);

the puncture structure (3) is fixed at one end of the handle (1), the puncture structure (3) comprises a fixing block (31), a needle sheath (32) and a second length mark (33), the fixing block (31) is fixed at one end of the handle (1), the needle sheath (32) is fixed at one end of the fixing block (31), and the second length mark (33) is arranged on the side wall of the puncture needle;

a cannula (7), the cannula (7) sliding on the outer side wall of the needle sheath (32);

the needle threading structure (2) slides in the needle sheath (32), the needle threading structure (2) comprises a fixing head (21) and a puncture needle (22), the puncture needle (22) slides in the needle sheath (32), and the fixing head (21) is fixed at one end of the puncture needle (22);

the fixing structure (4) is mounted on the side wall of the sleeve (7), the fixing structure (4) comprises a threaded pipe (41), a first nut (42), a clamping ring (43), a second nut (44), a first inclined surface (45) and a second inclined surface (46), the threaded pipe (41) is mounted on the side wall of the sleeve (7), the first nut (42) is mounted on the side wall of the threaded pipe (41), the second nut (44) is mounted on the side wall of the threaded pipe (41), the clamping ring (43) is fixed at one end of the threaded pipe (41), the first inclined surface (45) is arranged at one end inside the second nut (44), and the second inclined surface (46) is arranged at the side wall of one end of the clamping ring (43);

the fixing indication structure (5) is mounted on the side wall of the threaded pipe (41), the fixing indication structure (5) comprises a first sleeve ring (51), a first positioning piece (52), a second sleeve ring (53), a second positioning piece (54), a limiting ring (55), a limiting groove (56) and a bump (57), the first sleeve ring (51) is mounted on the side wall of the threaded pipe (41), the second sleeve ring (53) is mounted on the side wall of the threaded pipe (41), the first positioning piece (52) is fixed on the side wall of the first sleeve ring (51), the second positioning piece (54) is fixed on the side wall of the second sleeve ring (53), the limiting ring (55) is fixed on the top surface of the second sleeve ring (53), the limiting groove (56) is arranged on the bottom surface of the first sleeve ring (51), and the bump (57) is fixed on the side walls of the first sleeve ring (51) and the second sleeve ring (53);

the adhesive structure (6) is fixed on the side walls of the first positioning sheet (52) and the second positioning sheet (54), the adhesive structure (6) comprises an adhesive (61) and release paper (62), the adhesive (61) is fixed on the side walls of the first positioning sheet (52) and the second positioning sheet (54), and the release paper (62) is fixed on the side wall of the adhesive (61);

propelling movement structure (8), propelling movement structure (8) slide in the inside of pin sheath (32), propelling movement structure (8) include sacculus sleeve pipe (81), trigeminal sacculus (82) and first length mark (83), sacculus sleeve pipe (81) slide in the inside of pin sheath (32), trigeminal sacculus (82) are fixed in the one end of sacculus sleeve pipe (81), first length mark (83) are located the lateral wall of sacculus sleeve pipe (81).

2. A novel puncture needle according to claim 1, characterized in that the length of the inner diameter of the needle sheath (32) is 1.8mm and the length of the outer diameter of the needle sheath (32) is 2.1mm.

3. A novel puncture needle according to claim 1, characterized in that the length of the trigeminal balloon (82) is 15-17 mm.

4. The novel puncture needle according to claim 1, characterized in that the first positioning sheet (52) and the second positioning sheet (54) are made of metal spring sheets, and the first positioning sheet (52) and the second positioning sheet (54) are the same.

5. A new puncture needle according to claim 1, characterized in that the first collar (51) and the second collar (53) are slid on the side wall of the threaded tube (41), the stop collar (55) is slid inside the stop groove (56), and the second collar (53) is rotationally connected with the first collar (51) through the stop collar (55).

6. A novel puncture needle according to claim 1, characterized in that the side wall of one end of the snap ring (43) is not connected in a concave shape, and the diameter of the side wall of the snap ring (43) in the middle is larger than the diameter of the side walls of the two ends.

7. A novel puncture needle according to claim 1, characterized in that one end of the second nut (44) is screwed with the threaded tube (41), the first inclined surface (45) corresponds to the second inclined surface (46), and the other end of the second nut (44) has an inner diameter smaller than the diameter of the central part of the snap ring (43).