CN110623713A

CN110623713A - Puncture direction finder

Info

Publication number: CN110623713A
Application number: CN201911067830.5A
Authority: CN
Inventors: 刘章峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2019-12-31

Abstract

The invention belongs to the technical field of medical auxiliary tools, and particularly relates to a puncture direction finder which comprises a metal sleeve I, a metal sleeve II, a blade I, a blade II, a blade III, a blade IV, a fixed clamping piece I, a fixed clamping piece II, a fixed clamping piece III and a fixed clamping piece IV; a through hole is formed in the metal sleeve I, the metal sleeve II is sleeved on the metal sleeve I, and the metal sleeve I and the metal sleeve II are sleeved to form a coaxial pipeline with an inner aperture of 4 mm; a puncture tube penetrates through the pipeline. After the metal sleeve I and the metal sleeve II are sleeved, a coaxial pipeline with the inner aperture of 4mm is formed for cerebral hemorrhage minimally invasive puncture; the metal sleeve II is integrally formed with four pairs of mutually perpendicular fixed clamping pieces, the fixed clamping pieces can be used for carrying out auxiliary positioning in the cerebral hemorrhage minimally invasive puncture process and lateral ventricle anterior angle puncture orientation through rivet connection blades, the lateral ventricle puncture success rate can be obviously improved, and the lateral ventricle puncture device is quick and simple to use, practical and convenient to disinfect.

Description

Puncture direction finder

Technical Field

The invention belongs to the technical field of medical auxiliary tools, and particularly relates to a puncture direction finder.

Background

The intracranial hematoma is a common disease in neurosurgery, the treatment method is various, the cerebral hemorrhage with the bleeding amount of more than 30ml is clinically treated by adopting a transcranial puncture suction method and a catheter drainage hematoma method, and statistics of a large number of cases show that the method has obvious curative effect and small operation wound. According to the CT scanning of the skull, the clinical operation selects the largest hematoma level, a perpendicular line is drawn from the center point of the hematoma to the temporal part or the frontal part of the skull through the level, the intersection point of the perpendicular line and the skull is a puncture point { taking the temporal part as an example }, the scalp projection line of the largest hematoma level and the perpendicular line thereof are drawn through the puncture point, the two lines are extended to form two arc lines on the scalp, the two arc lines determine two surfaces which are perpendicular to each other, and the operator punctures the scalp according to the determined surfaces of the two arc lines by observing the surfaces by naked eyes mainly during puncturing, and punctures the scalp along the intersection line of the two surfaces; in addition, if the vertical puncture point is positioned in a functional area, a lateral fissure, a great vessel or other bony disorders, the puncture point needs to be determined to puncture by an oblique angle; at present, a medical instrument which is convenient, rapid and simple to determine the puncture point and the puncture angle of the intracranial hematoma is lacked.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a puncture direction finder.

In order to achieve the purpose, the invention provides the following technical scheme: a puncture direction finder comprises a metal sleeve I, a metal sleeve II, a blade I, a blade II, a blade III, a blade IV, a fixed clamping piece I, a fixed clamping piece II, a fixed clamping piece III and a fixed clamping piece IV;

a through hole is formed in the metal sleeve I, the metal sleeve II is sleeved on the metal sleeve I, and the metal sleeve I and the metal sleeve II are sleeved to form a coaxial pipeline with an inner aperture of 4 mm; a puncture tube penetrates through the pipeline;

the outer wall of the metal sleeve II is integrally provided with four pairs of mutually perpendicular fixed clamping pieces I, fixed clamping pieces II, fixed clamping pieces III and fixed clamping pieces IV, and the narrow ends of the blades I, the blades II, the blades III and the blades IV are respectively fixedly arranged on the fixed clamping pieces I, the fixed clamping pieces II, the fixed clamping pieces III and the fixed clamping pieces IV through holes and rivets;

the blade I, the blade II, the blade III and the blade IV are provided with 0 scale mark in the horizontal axial direction, and an angle line is arranged at each 10-degree angle; the center point of the angle line is the rivet connection point of the blade and the fixed clamping piece, and the scale mark spans the fixed clamping piece and the blade.

Preferably, the inner diameter of the metal sleeve I is 0.4cm, and the outer diameter of the metal sleeve I is 1 cm; the inner diameter of the metal sleeve II is 1cm, and the outer diameter of the metal sleeve II is 1.3 cm.

Preferably, the blade I, the blade II, the blade III and the blade IV move along the longitudinal axis direction of the metal sleeve II; the lengths of the blade I, the blade II, the blade III and the blade IV are 3.5 cm; the far end of each blade is downward-inclined, so that a reference line can be observed conveniently at a visual angle, and the near end of each blade is arc-shaped so that the blades can move along the direction of the longitudinal axis.

Preferably, the internal gaps of the fixed clamping piece I, the fixed clamping piece II, the fixed clamping piece III and the fixed clamping piece IV are the same as the thicknesses of the blade I, the blade II, the blade III and the blade IV and are all 1 mm.

Preferably, the length of the metal sleeve I is 6cm, and the length of the metal sleeve II is 4 cm; the metal sleeve I is formed by splicing two semicircular pipes, the lower end strip edge is convenient to cup joint and fix, one side of the longitudinal section of the semicircular pipe for splicing the metal sleeve I is provided with a groove after the cup joint is prevented, and the other side of the longitudinal section of the semicircular pipe for splicing the metal sleeve I is provided with a convex block corresponding to the shape, so that the two semicircular pipes are not easy to slide and dislocate after being spliced.

Preferably, the two side walls of the first metal sleeve are both provided with hollow grooves with the width of 3mm along the longitudinal axis, so that after puncture is facilitated, the color and the liquid level change of a drainage object in the puncture tube are observed, and whether the puncture tube enters hematoma or ventricle is judged.

Preferably, the blade I and the blade III are in one plane, the blade II and the blade IV are in one plane, the two planes are perpendicular to each other, and the intersection line of the two planes is on the axial line of the metal sleeve I and the metal sleeve II.

Compared with the prior art, the invention has the beneficial effects that:

after the metal sleeve I and the metal sleeve II are sleeved, a coaxial pipeline with the inner aperture of 4mm is formed for cerebral hemorrhage minimally invasive puncture; the metal sleeve II is integrally formed with four pairs of fixed clamping pieces, two opposite clamping pieces are arranged on the same plane, the two planes are perpendicular to each other, the intersecting lines of the clamping pieces are arranged on the axis of the two sleeves, the four pairs of fixed clamping pieces are connected with the four blades through rivets, minimally invasive puncture of cerebral hemorrhage and orientation of puncture channels in the process of lateral ventricle anterior angle puncture can be carried out, the lateral ventricle puncture success rate can be obviously improved, and the lateral ventricle puncture device is quick and simple to use, practical and convenient to disinfect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the assembly of the present invention with a puncture tube.

Fig. 3 is a schematic structural diagram of a metal sleeve i according to the present invention.

FIG. 4 is a schematic view of the present invention in use;

FIG. 5 is a disassembled schematic view of the metal casing I of the present invention;

fig. 6 is a schematic diagram of the outer side wall of the metal sleeve I of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a puncture direction finder comprises a metal sleeve IA, a metal sleeve IIB, a blade I1, a blade II 2, a blade III 3, a blade IV 4, a fixed clamping piece I11, a fixed clamping piece II 21, a fixed clamping piece III 31 and a fixed clamping piece IV 41;

a through hole A1 is formed in the metal sleeve IA, the metal sleeve IIB is sleeved on the metal sleeve IA, and the metal sleeve IA and the metal sleeve IIB are sleeved to form a coaxial pipeline with an inner aperture of 4 mm; a puncture tube 6 penetrates through the pipeline;

four pairs of mutually perpendicular fixed clamping pieces I11, fixed clamping pieces II 21, fixed clamping pieces III 31 and fixed clamping pieces IV 41 are integrally formed on the outer wall of the metal sleeve IIB, and the narrow ends of the blades I1, II 2, III 3 and IV 4 are respectively fixedly arranged on the fixed clamping pieces I11, II 21, III 31 and IV 41 through holes and rivets 5;

an angle line is arranged on each 10-degree angle of the blade I1, the blade II 2, the blade III 3 and the blade IV 4; the central point G of the angle line is the rivet connecting point of the blade and the fixed clamping piece.

Specifically, the inner diameter of the metal sleeve IA is 0.4cm, and the outer diameter is 1 cm; the inner diameter of the metal sleeve IIB is 1cm, and the outer diameter of the metal sleeve IIB is 1.3 cm.

Specifically, the blade I1, the blade II 2, the blade III 3 and the blade IV 4 move along the longitudinal axis direction of the metal sleeve IIB; the lengths of the blade I1, the blade II 2, the blade III 3 and the blade IV 4 are 3.5 cm; because the distal end is oblique, the upper portion is 3.5cm wide and the lower portion is 4cm wide, the proximal end being 3cm wide at the connection with the clip and the distal end being 4cm wide.

Specifically, the internal gaps of the fixed clamping piece I11, the fixed clamping piece II 21, the fixed clamping piece III 31 and the fixed clamping piece IV 41 are the same as the thicknesses of the blade I1, the blade II 2, the blade III 3 and the blade IV 4, and are all 1 mm.

Specifically, the length of the metal sleeve IA is 6cm, and the length of the metal sleeve IIB is 4 cm; the metal sleeve IA is formed by two semicircle pipes concatenations, and the lower extreme area reason is convenient for cup joint the after-fixing, prevents to cup joint back metal sleeve IIB slippage, plays stabilizing effect, and the longitudinal section of metal sleeve IA concatenation semicircle pipe is equipped with recess A3 on one side, and the another side corresponds the position and has a lug A2 that corresponds the shape to be difficult for the dislocation of sliding after the two halves pipe concatenation.

Specifically, the two side walls of the metal sleeve IA are both provided with hollow grooves A4 with the width of 3mm along the longitudinal axis, so that after puncture is facilitated, the color and the liquid level change of a drainage object in the puncture tube are observed, and whether the puncture tube enters hematoma or ventricle is judged.

Specifically, the blade I1 and the blade III 3 are in the same plane, the blade II 2 and the blade IV 4 are in the same plane, the two planes are perpendicular to each other, and the intersecting line of the two planes is on the axial line of the metal sleeve IA and the metal sleeve IIB.

In addition, the connecting ends of the fixed clamping pieces I11, the fixed clamping pieces II 21, the fixed clamping pieces III 31 and the fixed clamping pieces IV 41 and the blades I1, II 2, III 3 and IV 4 are arc-shaped, the connecting ends of the blades and the clamping pieces are semicircular, and the circle center is a rivet point, so that the blades can rotate around the rivet point along the clamping piece gap to adjust the angle; the far end of the blade is oblique, so that an operator can conveniently observe the angle of the plane of the blade to adjust the direction finder and the puncture direction.

Before the puncture needle is used, a puncture point is located by drawing a line on the skull, the puncture point is located and determined by a marker under CT, then two perpendicular lines of the puncture point are drawn, one perpendicular line is a projection line of a CT scanning surface layer where a puncture hematoma is located, the other perpendicular line is a perpendicular line of the puncture point, the two perpendicular lines are extended into two arc lines along the scalp, the two scalp arc lines determine two surfaces, the lower edges of the four blades are attached to the two lines, and the angle is adjusted to enable the two surfaces formed by the four blades to coincide with the two drawn surfaces, so that the puncture needle can be directionally punctured.

When in use, the metal sleeve I and the metal sleeve II are sleeved to form a coaxial pipeline with an inner aperture of 4mm, and a puncture tube is arranged in the pipeline; the metal casing IA is made into two semicircular tubes for splicing, after puncture is completed, the metal casing IA with the inner diameter of 1cm is directly removed through the tail end of the puncture tube, and then the metal casing IA is separated into two semicircular tubes for removal, so that the problem that the tail end of the puncture tube is expanded and is not easy to take out from the puncture positioning casing is solved.

The method comprises the following steps of (1) enabling a face formed by two opposite blades I1 and III 3 on the same face and a face formed by a blade II 2 and a blade IV 4 to coincide with two mutually perpendicular drawing lines of a puncture point on a skull respectively, adjusting the puncture direction to enable the face formed by the blade I1 and the blade III 3 to coincide with a maximum hematoma level { namely a CT scanning plane of the maximum hematoma level }, enabling the face formed by the blade II 2 and the blade IV 4 to coincide with a coronal plane of a center of the hematoma, and then puncturing the face to a measured depth; the use is quick, simple, practical and convenient for disinfection.

FIG. 4 is a schematic diagram of lateral ventricle puncture;

the anterior horn paracentesis method of the lateral ventricle comprises the following steps:

the puncture point is 1cm in front of the coronary seam, the midline is 2cm, the puncture direction is aligned with the midpoint of the connecting line of the two outer doors, and the actual operation method is that the puncture direction is aligned with the connecting line of the two outer doors, and meanwhile, the puncture direction is inwards deviated to be aligned with the nasal tip.

The method for the lateral ventricle puncture auxiliary orientation instrument comprises the following steps:

sleeving a metal sleeve IIB with four blades on a metal sleeve IA formed by splicing two semicircular pipes, and clamping the lower end edge of the metal sleeve IA at the lower end to finish the assembly of the orientation instrument;

inserting the puncture tube into the tube hole of the orientation instrument, wherein the head end of the puncture tube is exposed by 1cm and inserted into a bone hole which is drilled in advance, namely the tip end of the puncture tube enters 1cm, and waiting for the adjustment of a puncture angle;

the connection line passing through the puncture point and the two external auditory portals (namely the puncture point and the surface where the two external auditory portals are located) is drawn on the scalp in advance by aligning the surfaces where the blades I1 and III 3 are located

Adjusting the planes of the blades II 2 and IV 4 to point to a plane (i.e. a parallel line of a median sagittal line of the puncture point) with the puncture point parallel to the median sagittal plane, reading the numerical values of the angle scribed lines on the blades I1 and III 3, and then adjusting the angles of the planes of the blades II 2 and IV 4 to point to the direction of the nose tip; notably, the distal ends of the four blades are required to be secured against the scalp;

meanwhile, on the basis of the original scribed lines of the leaf I1 and the leaf III 3, the deflection angle to the median sagittal plane is approximately equal to the deflection angle measured by the skull CT or obtained by accurate calculation.

The method aims at the tip of the nose, simultaneously refers to the deflection angle value, has double reference and is more accurate (relative to aiming at an intracranial abstract imaginary reference point which is an imaginary midpoint of a connecting line of two external auditory portals, the method has higher operability, can relatively quantitatively measure the adjustment angle of the method, greatly improves the accuracy, is convenient for a beginner to master, and can accurately calculate the angle through measurement).

The orientation device takes a puncture tube with the diameter of 4mm as an example, the aperture of an inner tube is 4mm, and the orientation device is only suitable for puncture tubes with the thickness of 4 mm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A puncture direction finder is characterized in that: the blade fixing device comprises a metal sleeve I (A), a metal sleeve II (B), a blade I (1), a blade II (2), a blade III (3), a blade IV (4), a fixing clamping piece I (11), a fixing clamping piece II (21), a fixing clamping piece III (31) and a fixing clamping piece IV (41);

a through hole (A1) is formed in the metal sleeve I (A), the metal sleeve II (B) is sleeved on the metal sleeve I (A), and the metal sleeve I (A) and the metal sleeve II (B) are sleeved to form a coaxial pipeline with an inner aperture of 4 mm; a puncture tube (6) penetrates through the pipeline;

four pairs of mutually perpendicular fixed clamping pieces I (11), fixed clamping pieces II (21), fixed clamping pieces III (31) and fixed clamping pieces IV (41) are integrally formed on the outer wall of the metal sleeve II (B), and the narrow ends of the blades I (1), II (2), III (3) and IV (4) are respectively fixedly arranged on the fixed clamping pieces I (11), II (21), III (31) and IV (41) through holes and rivets (5);

an angle line is arranged on each 10-degree angle of the blade I (1), the blade II (2), the blade III (3) and the blade IV (4); the central point (G) of the angle line is the rivet connecting point of the blade and the fixed clamping piece.

2. A puncture direction finder according to claim 1, wherein: the inner diameter of the metal sleeve I (A) is 0.4cm, and the outer diameter of the metal sleeve I (A) is 1 cm; the inner diameter of the metal sleeve II (B) is 1cm, and the outer diameter of the metal sleeve II (B) is 1.3 cm.

3. A puncture direction finder according to claim 1, wherein: the blade I (1), the blade II (2), the blade III (3) and the blade IV (4) move along the longitudinal axis direction of the metal sleeve II (B); the length of the blade I, the length of the blade II (2), the length of the blade III (3) and the length of the blade IV (4) are 3.5 cm.

4. A puncture direction finder according to claim 1, wherein: the internal gaps of the fixed clamping piece I (11), the fixed clamping piece II (21), the fixed clamping piece III (31) and the fixed clamping piece IV (41) are the same as the thicknesses of the blade I, the blade II (2), the blade III (3) and the blade IV (4), and are all 0.5 mm.

5. A puncture direction finder according to claim 1, wherein: the length of the metal sleeve I (A) is 6cm, and the length of the metal sleeve II (B) is 4 cm; the metal sleeve I (A) is formed by splicing two semicircular pipes, and the lower end belt edge is convenient to fix after being sleeved, so that the metal sleeve II (B) is prevented from slipping after being sleeved; one side of the longitudinal section of the semicircular pipe spliced by the metal sleeve I (A) is provided with a groove (A3), and the other side of the longitudinal section is provided with a projection (A2) with a corresponding shape, so that the two semicircular pipes are not easy to slide and dislocate after being spliced.

6. A puncture direction finder according to claim 1, wherein: the two side walls of the metal sleeve I (A) are both provided with hollow grooves (A4) with the width of 3mm along the longitudinal axis, so that after puncture is facilitated, the color and the liquid level change of a drainage object in the puncture tube are observed, and whether the puncture tube enters hematoma or ventricles is judged.

7. A puncture direction finder according to claim 1, wherein: the blade I (1) and the blade III (3) are arranged on the same plane, the blade II (2) and the blade IV (4) are arranged on the same plane, the two planes are mutually vertical, and the intersecting line of the two planes is arranged on the axial line of the metal sleeve I (A) and the metal sleeve II (B).