CN111166436B - Orienter for craniocerebral puncture - Google Patents
Orienter for craniocerebral puncture Download PDFInfo
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- CN111166436B CN111166436B CN202010088039.9A CN202010088039A CN111166436B CN 111166436 B CN111166436 B CN 111166436B CN 202010088039 A CN202010088039 A CN 202010088039A CN 111166436 B CN111166436 B CN 111166436B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses an orientator for craniocerebral puncture, which comprises a main board, an auxiliary orientation board and a puncture positioning board; the main plate is a fan-shaped ring, and the inner circular arc is used for being attached to the surface of the skull; the auxiliary orientation plate is parallel to the perpendicular bisector of the main board and is vertically installed on the board surface of the main board, a semicircular angle plate is arranged on the auxiliary orientation plate, scales are arranged on the angle plate, a first fixing point is arranged, and a suspended heavy hammer object is arranged on the first fixing point; the puncture positioning plate is closely mounted on the plate surface of the main plate and comprises a first plate edge and a second plate edge, a second fixing point is arranged on the first plate edge, a fixing device on the second fixing point is used for fixing the puncture positioning plate with the main plate and can rotate freely, and a clamp used for clamping the puncture drainage tube is arranged on the second plate edge, so that the direction of the puncture drainage tube is consistent with the direction of the second plate edge of the puncture positioning plate. The invention has the advantages of accuracy and short time consumption, and is very practical for craniocerebral puncture operations.
Description
Technical Field
The invention relates to a director for craniocerebral puncture, belonging to the technical field of medical instruments.
Background
The cerebral hemorrhage is an emergency disease of neurosurgery, the invention of the invention type patent is motivated to complete the three-dimensional directional puncture drainage of the cerebral hemorrhage in the shortest time as possible, and the target points are as follows: the central region of the hematoma chamber.
The stereotactic puncture principle of cerebral hemorrhage: and selecting a fixed puncture point to achieve relatively accurate puncture of the hematoma cavity by a coordinate principle. The existing headstock stereotaxic instrument has the advantages that: and (4) precision. The disadvantages are as follows: the operation time before and during the operation is longer, and the change of the emergency cerebral hemorrhage patient is quicker; and the cost is high, and the popularization in the treatment of the cerebral hemorrhage is difficult.
Another class of principles: in order to draw the maximum cross section projection and the maximum normal section projection of a hematoma cavity on the body surface, the puncture line is obtained according to the principle that two surfaces are intersected into one line, and then the puncture is finished under the condition of visual inspection through a designed patent tool. The advantages are as follows: low cost and simplicity. In most cases, the operation of puncturing hematoma cavity can be completed. Is suitable for emergency operation, and has simple operation and less time consumption. The disadvantages are that: regardless of the accuracy. The visual inspection of the two parallel planes is very easy to produce errors, which cause deviation and have operation sheets for operation patients. The exposure of the puncture reference line is limited, and the influence error of the body position is large; and furthermore: for the posterior fossa area. The cerebellum and the four-ventricle brainstem areas bleed, proper reference puncture lines are difficult to find for puncture, and even small errors in operation space can cause delay and even life danger to the treatment of patients.
Disclosure of Invention
In order to overcome the defects, the invention provides a direction finder for craniocerebral puncture.
The technical scheme of the invention is as follows:
an orientator for craniocerebral puncture comprises a main board, an auxiliary orientation board and a puncture positioning board;
the main plate is a fan-shaped ring, and the inner circular arc is used for being attached to the surface of the skull; a perpendicular bisector is arranged on the panel of the main board, the perpendicular bisector is a center line of the circular ring passing through the center of the circle, the perpendicular bisector is used as a reference, and scales are arranged on the left side and the right side of the perpendicular bisector;
the auxiliary orientation plate is parallel to the perpendicular bisector of the main plate and is vertically installed on the plate surface of the main plate, a semicircular angle plate is arranged on the auxiliary orientation plate, scales are arranged on the angle plate, a weight line is arranged on the angle plate, the weight line passes through the circle center and is parallel to the perpendicular bisector, a first fixed point is arranged on the weight line, and a suspended weight object is arranged on the first fixed point;
the puncture locating plate is in a gamma shape, is tightly attached to be installed on the plate surface of the main plate, comprises a transverse first plate edge and a longitudinal second plate edge, is provided with a second fixing point on the first plate edge, is located on a middle vertical line and is close to the outer circular arc, and is provided with a fixing device on the second fixing point for fixing the puncture locating plate and the main plate, free rotation can be achieved, the relative rotation of the puncture locating plate and the main plate can be guaranteed, a clamp used for clamping a puncture drainage tube is arranged on the second plate edge, and the direction of the puncture drainage tube is consistent with the direction of the second plate edge of the puncture locating plate.
Preferably, the auxiliary orientation plate comprises a mounting plate, a reinforcing plate and an angle plate, the reinforcing plate and the angle plate are on the same plane, the mounting plate is the other plane, the two planes are perpendicular to each other, and the mounting plate, the reinforcing plate and the angle plate are of an integrated structure; the mounting panel hugs closely the face installation of mainboard, the reinforcing plate is connected with the mounting panel, and the junction is for the angle department, the angle board is in the upper end of reinforcing plate, and the angle board is in the angle department with the same interface of mounting panel.
Preferably, the mounting plate and the main plate are fixed by two fixing bolts.
As another mode, the 'gamma' shape of the puncture positioning plate can be replaced by a rectangular plate, the second fixing point is positioned at the upper end of the plate, and the clamp for clamping the puncture drainage tube is positioned at the lower end of the second fixing point.
Preferably, there are 2 clamps on the puncture positioning plate.
Preferably, the outer end of the clamp is opened, so that the puncture drainage tube can be conveniently clamped in or taken out in the direction perpendicular to the main board.
Preferably, the zero position of the scales of the main plate is a perpendicular bisector of the main plate, and the scales are 30 degrees on two sides respectively.
Preferably, the zero position of the scales of the angle plate is the weight line of the angle plate, and the scales are 30 degrees on two sides respectively.
It should be particularly noted that the key technical feature of the present invention is to position the angle and direction of the puncture drainage tube by the cooperation of the main board, the auxiliary orientation board and the puncture positioning board, the structures of the main board, the auxiliary orientation board and the puncture positioning board are not limited to the structures described above, and the structures, installation angles and directions of the board, the auxiliary orientation board and the puncture positioning board all fall within the protection scope of the present invention as long as the orientation effect of the puncture drainage tube can be achieved.
The invention achieves the following beneficial effects:
1. and (4) precision. The operation is simple, and can be completed by one person. Can be used for directional accurate operation of the hemorrhage in the posterior fossa area (cerebellum, four ventricles and brain stem area).
2. The time consumption is short: the time consumption before and during the operation is short. Low cost and easy popularization.
Drawings
FIG. 1 is a plan elevation view of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic perspective view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, 2 and 3, the orientator for craniocerebral puncture comprises a main board 1, an auxiliary orientation board 2 and a puncture positioning board 3;
the main plate 1 is a fan-shaped ring, and an inner circular arc is used for attaching to the surface of a skull; a perpendicular bisector A is arranged on the panel of the main board 1, and as shown in FIG. 1, the perpendicular bisector A is a center line of a circular ring passing through the center of the circle, and scales are arranged on the left side and the right side of the center line based on the perpendicular bisector; the zero position of the scale of the main board is a perpendicular bisector of the main board, and the scales of 30 degrees are respectively arranged at two sides of the main board.
The auxiliary orientation plate 2 is parallel to the perpendicular bisector of the main plate and is vertically installed on the plate surface of the main plate 1, a semicircular angle plate 2-3 is arranged on the auxiliary orientation plate 2, scales are arranged on the angle plate 2-3, a weight line B is arranged on the angle plate 2-3, as shown in fig. 2, the weight line B passes through the center of a circle and is parallel to the perpendicular bisector B, a fixed point I8 is arranged on the weight line B, and a suspended weight object 5 is arranged on the fixed point I8; the zero position of the scales of the angle plates 2-3 is the weight line B of the angle plate, and the scales of 30 degrees are respectively arranged at the two sides.
Preferably, as shown in fig. 3, the auxiliary directional plate 2 includes a mounting plate 2-1, a reinforcing plate 2-2 and an angle plate 2-3, the reinforcing plate 2-2 and the angle plate 2-3 are on one plane, the mounting plate 2-1 is another plane, the two planes are perpendicular to each other, and the mounting plate 2-1, the reinforcing plate 2-2 and the angle plate 2-3 are an integrated structure; the mounting plate 2-1 is tightly attached to the surface of the main plate 1, the reinforcing plate 2-2 is connected with the mounting plate 2-1, the joint is a vertical angle, the angle plate 2-3 is arranged at the upper end of the reinforcing plate 2-2, and the angle plate 2-3 and the mounting plate 2-1 are intersected at the vertical angle.
Preferably, as shown in fig. 1, the mounting plate 2-1 is fixed to the main plate 1 by two fixing bolts 9.
As shown in fig. 3, the puncture positioning plate 3 is in a form of a + -shape and is mounted on the surface of the main plate 1 in a close manner, and comprises a transverse first plate edge 3-1 and a longitudinal second plate edge 3-2, wherein the first plate edge 3-1 is provided with a second fixing point 7, the second fixing point 7 is located on the perpendicular bisector a and is close to the outer circular arc, the second fixing point 7 is provided with a fixing device for fixing the puncture positioning plate 3 with the main plate 1 and can rotate freely, so that the puncture positioning plate 3 can rotate relative to the main plate 1, and the second plate edge 3-2 is provided with a clamp 4 for clamping the puncture drainage tube 6, so that the direction of the puncture drainage tube 6 is consistent with the direction of the second plate edge 3-2 of the puncture positioning plate 3.
As another embodiment, the disposable gamma shape of the puncture positioning plate 3 may be replaced with a rectangular plate, the fixing point two 7 is located at the upper end of the plate, and the clamp 4 for clamping the puncture drainage tube 6 is located at the lower end of the fixing point two.
Preferably, there are 2 clamps 4 on the puncture positioning plate 3.
Preferably, the outer end of the clamp 4 is opened, so that the puncture drainage tube 6 can be conveniently clamped in or taken out in the direction vertical to the main board 1.
The working principle is as follows: when the weight 5 is tightly attached to the angle plate 2-3 and the angle on the angle plate 2-4 is 0 degree, the instrument is in a vertical position.
When the main board 1 moves left and right, the weight 5 is always kept to be just attached to the angle boards 2-3. The angle of the puncture positioning plate 3 is the included angle between the puncture line and the perpendicular bisector A. The angle of the weight 5 is the angle between the puncture line and the plumb line B.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A direction finder for craniocerebral puncture is characterized in that: the orientator comprises a main board, an auxiliary orientation board and a puncture positioning board;
the main plate is a fan-shaped ring, and the inner circular arc is used for being attached to the surface of the skull; a perpendicular bisector is arranged on the panel of the main board, the perpendicular bisector is a center line of the circular ring passing through the center of the circle, the perpendicular bisector is used as a reference, and scales are arranged on the left side and the right side of the perpendicular bisector;
the auxiliary orientation plate is parallel to the perpendicular bisector of the main board and is vertically installed on the board surface of the main board, a semicircular angle plate is arranged on the auxiliary orientation plate, scales are arranged on the angle plate, a weight line is arranged on the angle plate, the weight line passes through the circle center and is parallel to the perpendicular bisector, a first fixed point is arranged on the weight line, and a suspended weight object is arranged on the first fixed point;
the puncture locating plate is in a gamma shape, is tightly attached to the plate surface of the main plate and comprises a transverse first plate edge and a longitudinal second plate edge, wherein a second fixing point is arranged on the first plate edge and is located on the middle vertical line and close to the outer circular arc, and a fixing device is arranged on the second fixing point and is used for fixing the puncture locating plate with the main plate and can rotate freely, so that the puncture locating plate can rotate relative to the main plate, and a clamp used for clamping the puncture drainage tube is arranged on the second plate edge, so that the direction of the puncture drainage tube is consistent with the direction of the second plate edge of the puncture locating plate.
2. The device of claim 1, wherein the auxiliary orientation plate comprises a mounting plate, a reinforcing plate and an angle plate, the reinforcing plate and the angle plate are on a same plane, the mounting plate is on another plane, the two planes are perpendicular to each other, and the mounting plate, the reinforcing plate and the angle plate are of an integrated structure; the mounting panel hugs closely the face installation of mainboard, the reinforcing plate is connected with the mounting panel, and the junction is for the angle department, the angle board is in the upper end of reinforcing plate, and the angle board is in the angle department with the same interface of mounting panel.
3. The orienter for craniocerebral puncture according to claim 2, wherein the mounting plate is fixed with the main plate by two fixing bolts.
4. The craniocerebral puncture orientator according to claim 1, wherein the puncture positioning plate is a rectangular plate, the two fixing points are positioned at the upper end of the main plate, and the clamp for clamping the puncture drainage tube is positioned at the lower end of the two fixing points.
5. An orientator for craniocerebral puncture according to any one of claims 1 or 4, wherein the number of the clamps on the puncture positioning plate is 2.
6. The orientator for craniocerebral puncture according to claim 1, wherein the outer end of the clamp is open, so that the puncture drainage tube can be conveniently clamped in or taken out in a direction vertical to the main board.
7. The direction finder for craniocerebral puncture according to claim 1, wherein the zero position of the scale of the main plate is the perpendicular bisector of the main plate, and the scales of 30 ° are respectively arranged at two sides of the main plate.
8. The craniocerebral puncture orientator of claim 1 wherein the zero position of the scale of the angle plate is the line of the weight of the angle plate, and 30 ° scales are arranged on both sides of the angle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088039.9A CN111166436B (en) | 2020-02-12 | 2020-02-12 | Orienter for craniocerebral puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088039.9A CN111166436B (en) | 2020-02-12 | 2020-02-12 | Orienter for craniocerebral puncture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111166436A CN111166436A (en) | 2020-05-19 |
| CN111166436B true CN111166436B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010088039.9A Active CN111166436B (en) | 2020-02-12 | 2020-02-12 | Orienter for craniocerebral puncture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112315553B (en) * | 2020-11-16 | 2021-11-09 | 周开甲 | Ventricular puncture guiding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201727586U (en) * | 2010-07-24 | 2011-02-02 | 梁洪享 | CT-guided interventional positioning instrument |
| CN208610997U (en) * | 2017-12-22 | 2019-03-19 | 常州市第二人民医院 | Simple solid finder |
| CN109091214A (en) * | 2018-09-29 | 2018-12-28 | 刘国军 | Intracranial hematoma Minimally invasive puncture Needle localization system and accurate stereotaxic apparatus |
| CN110575238B (en) * | 2019-09-30 | 2024-06-18 | 右江民族医学院附属医院 | Three-dimensional accurate positioner for intracranial hematoma minimally invasive puncture |
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| CN111166436A (en) | 2020-05-19 |
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