CN111329560A

CN111329560A - Neurosurgery body surface location and puncture guide instrument

Info

Publication number: CN111329560A
Application number: CN202010148296.7A
Authority: CN
Inventors: 王晓刚; 孙丽霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-06-26

Abstract

The invention discloses a neurosurgery body surface positioning and puncture guiding instrument, which comprises two bases connected with an operating table through screws, wherein the two bases are arranged in parallel, the bases are connected with an adjusting joint A in a sliding manner, the adjusting joint A is connected with upper and lower scale mark rods through a rotating shaft, the middle parts of the upper and lower scale mark rods are connected with an adjusting joint B in a sliding manner, the rear end surface of the adjusting joint B is fixed at one end of a reference rod A, the other end of the reference rod A is provided with an adjusting joint C, the adjusting joint C is connected with one end of an adjusting wire rod A through a rotating shaft, the other end of the adjusting wire rod A is connected with a limiting cross rod through a screw, a guide sleeve is nested on the limiting cross rod, and the upper ends of the upper and lower scale mark rods are connected with an adjusting joint D in a sliding manner. Ensures that the catheter can puncture the hematoma or the gall, and realizes the accurate body surface positioning of the intracranial hematoma.

Description

Neurosurgery body surface location and puncture guide instrument

Technical Field

The invention relates to the technical field of medical instruments for neurosurgery, in particular to a neurosurgery body surface positioning and puncture guide instrument.

Background

At present, a frame is required to be installed outside a skull, then CT or MRI scanning is carried out on the frame and a patient, then an image of patient cranium CT or MRI with frame coordinate parameter marks is obtained, each image anatomical structure in the cranium of the patient has a corresponding coordinate value in a coordinate system, and then the coordinate point is reached through mechanical data defined by the brain stereotaxic apparatus, so that the brain stereotaxic instrument has the advantages of high precision, complex operation and more time consumption. Firstly, invasive head frame installation needs to be carried out for a long time, secondly, after the head frame installation is completed, a patient needs to be transported to an imaging department again for CT or MRI examination, thirdly, target points are not easy to adjust at any time in the operation, fourthly, sterilization and towel paving are difficult, and sterility is not easy to guarantee. Fifthly, the price is high. In addition, a frameless stereotactic system, namely a nerve navigation system, most products on the market at present are optical surgical navigation systems, the main defects are that the price is very high, the marking and rescanning are required before the operation, and in addition, the precision is not the same as that of the framed stereotactic system.

At present, a frame stereotactic system has a plurality of defects, can not correctly guide the directions and depths of various punctures, can not ensure that a catheter can puncture hematoma or gall, can not realize the accurate body surface positioning of intracranial hematoma, can not correctly guide the correct intracranial walking of various puncture catheters, can not realize the multi-point positioning selection of extracorporeal puncture, has complex equipment and is inconvenient for the selection of clinical use modes.

The drawback that exists to current device improves, provides a neurosurgery body surface location and puncture guide instrument now.

Disclosure of Invention

The invention aims to provide a neurosurgery body surface positioning and puncture guiding instrument to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a neurosurgery body surface positioning and puncture guide instrument comprises two bases which are connected with an operating bed through screws, the bases are arranged in parallel, the bases are connected with an adjusting joint A in a sliding manner, the adjusting joint A is connected with upper and lower scale mark rods through a rotating shaft, the middle parts of the upper and lower scale mark rods are connected with an adjusting joint B in a sliding manner, the rear end surface of the adjusting joint B is fixed at one end of a reference rod A, the other end of the reference rod A is provided with an adjusting joint C, the adjusting joint C is connected with one end of an adjusting line rod A through a rotating shaft, the other end of the adjusting line rod A is connected with a limiting cross rod through a screw, a guide sleeve is nested on the limiting cross rod, the upper ends of the upper and lower scale mark rods are connected with an adjusting joint D in a sliding manner, the adjusting joint D is fixed at the two ends of a left and right scale mark rod, and the middle parts of, the rear end face of the adjusting joint E is fixed at one end of a reference rod B, the other end of the reference rod B is provided with an adjusting joint F, the adjusting joint F is connected with one end of an adjusting wire rod B through a rotating shaft, the other end of the adjusting wire rod B is connected with a limiting longitudinal rod through a screw, and a guide sleeve is nested on the limiting longitudinal rod.

As a further scheme of the invention: the adjustable joint is characterized in that a T-shaped groove is formed in the base, a T-shaped block is arranged below the adjusting joint A, the T-shaped groove and the T-shaped block are in clearance fit, a threaded hole is formed in the front end face of the T-shaped block, a locking groove is formed in the front end face of the base, and a hand-screw passes through the locking groove and is in threaded connection with the threaded hole to adjust the position of the fixed adjusting joint A on the base.

As a further scheme of the invention: the adjustable joint is characterized in that a shaft hole is formed in the adjusting joint A, the adjusting joint A is connected with the upper and lower scale mark rods through a rotating shaft, the rotating shaft is connected with the shaft hole in a sliding mode, a waist-shaped through hole is formed above the shaft hole, a threaded hole is formed in the lower end of the upper and lower scale mark rods, and a hand-screw passes through the waist-shaped through hole and is connected with the threaded hole through threads.

As a further scheme of the invention: the adjustable joint C is provided with a shaft hole, the adjustable joint C is connected with the adjusting line rod A through a rotating shaft, the rotating shaft is connected with the shaft hole in a sliding mode, a waist-shaped through hole is formed in the upper portion of the shaft hole, the front end of the adjusting line rod A is provided with a threaded hole, and a hand-screw penetrates through the waist-shaped through hole and is connected with the threaded hole through threads.

As a further scheme of the invention: the adjustable joint is characterized in that a shaft hole is formed in the adjustable joint F, the adjustable joint F is connected with the adjustable wire rod B through a rotating shaft, the rotating shaft is connected with the shaft hole in a sliding mode, a waist-shaped through hole is formed in the upper portion of the shaft hole, a threaded hole is formed in the front end of the adjustable wire rod B, and a hand-screw penetrates through the waist-shaped through hole and is connected with the threaded hole through threads.

As a further scheme of the invention: scales are arranged on the upper and lower scale mark poles and the left and right scale mark poles.

As a further scheme of the invention: the width of the limiting transverse rod and the limiting longitudinal rod is larger than 2 cm.

As a further scheme of the invention: the middle part of the guide sleeve is provided with a through hole, and two sides of the guide sleeve are provided with U-shaped clamping grooves.

As a further scheme of the invention: threaded holes are formed in the end faces of one side of each of the adjusting joint B, the adjusting joint D and the adjusting joint E and are in threaded connection with hand screws.

Compared with the prior art, the invention has the beneficial effects that: the invention is used for the body surface positioning of intracranial hematoma and gall, correctly guides various puncture directions and depths, ensures that the catheter can puncture the hematoma or gall, realizes the accurate body surface positioning of the intracranial hematoma, can correctly guide the correct intracranial walking of various puncture catheters, can be suitable for the multi-point positioning selection of external puncture, is convenient for the fixation of a drainage tube and the oppression of a puncture point caused by the position requirement of a patient, has simple whole set of equipment, is made of metal materials, can sterilize under high pressure, can independently sterilize the guide sleeve, and is convenient for the selection of clinical use modes.

Drawings

FIG. 1 is a schematic diagram of an axial structure according to the present invention.

Fig. 2 is a schematic structural view of the base and the adjusting joint axis in the invention.

Fig. 3 is a schematic structural diagram of a reference rod a, an adjusting joint C and an adjusting wire rod a in the invention.

Fig. 4 is a schematic axial structure diagram of the guide sleeve according to the present invention.

Wherein: the adjustable joint comprises a base 1, an adjusting joint A2, an upper and lower scale marker post 3, an adjusting joint B4, a reference rod A5, an adjusting joint C6, an adjusting wire rod A7, a limiting cross rod 8, a guide sleeve 9, an adjusting joint D10, a left and right scale marker post 11, an adjusting joint E12, a reference rod B13, an adjusting joint F14, an adjusting wire rod B15 and a limiting longitudinal rod 16.

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. 1-4, in an embodiment of the present invention, a neurosurgical body surface positioning and puncture guiding instrument includes two bases 1 connected to an operating table through screws, where the bases 1 are arranged in parallel, the bases 1 are used to fix a whole device, the bases 1 are slidably connected to an adjusting joint a2, the adjusting joint a2 is connected to upper and lower graduated rods 3 through a rotating shaft, the middle of the upper and lower graduated rods 3 is slidably connected to an adjusting joint B4, the adjusting joint B4 is used to position a depth of a hematoma, the rear end face of the adjusting joint B4 is fixed to one end of a reference rod a5, the adjusting joint a2 is used to align a skull base line of a patient with the reference rod a5, the reference rod a5 is used to align an orbit base line of an ear of the patient, the other end of the reference rod a5 is provided with an adjusting joint C6, and the adjusting joint C6 is used to position before and after the intracranial hematoma, the adjusting joint C6 is connected with one end of an adjusting wire rod A7 through a rotating shaft, the other end of the adjusting wire rod A7 is connected with a limiting cross rod 8 through a screw, a guide sleeve 9 is nested on the limiting cross rod 8, the upper ends of the upper and lower scale mark rods 3 are slidably connected with an adjusting joint D10, the adjusting joint D10 is fixed at two ends of a left and right scale mark rod 11, the middle part of the left and right scale mark rod 11 is slidably connected with an adjusting joint E12, the adjusting joint E12 is used for positioning the distance between the left and right of hematoma and the midline, the rear end surface of the adjusting joint E12 is fixed at one end of a reference rod B13, the other end of the reference rod B13 is provided with an adjusting joint F14, the adjusting joint F14 is used for positioning the upper and lower positions of intracranial hematoma, the adjusting joint F14 is connected with one end of the adjusting wire rod B15 through a rotating shaft, and the other end of the adjusting wire rod, the limiting longitudinal rod 16 is nested with a guide sleeve 9, and the guide sleeve 9 is used for ensuring that various puncture needles pass through encephalically after being positioned at various angles along the advancing direction of a drill needle, a puncture needle and a drainage tube.

It has T type groove to open on the base 1, it is provided with T type piece to adjust joint A2 below, T type groove adopts clearance fit with T type piece, the terminal surface is provided with the screw hole before the T type piece, the terminal surface is provided with the locking groove before the base 1, and hand screw passes the locking groove and passes through threaded connection with the screw hole, is used for adjusting the position of fixed regulation joint A2 on base 1.

It has the shaft hole to open on the regulation joint A2, adjust joint A2 and pass through the pivot with upper and lower scale mark pole 3 and be connected, pivot and shaft hole sliding connection, the shaft hole top is provided with waist type through-hole, open threaded hole under the upper and lower scale mark pole 3, hand screw passes waist type through-hole and passes through threaded connection with the screw hole, is used for the angular position of fixed upper and lower scale mark pole 3 on regulation joint A2.

It has the shaft hole to open on the regulation joint C6, it is connected through the pivot with regulation line pole A7 to adjust joint C6, pivot and shaft hole sliding connection, the shaft hole top is provided with waist type through-hole, it has threaded hole to adjust line pole A7 front end, and hand screw passes waist type through-hole and passes through threaded connection with the screw hole, is used for the fixed angular position of adjusting line pole A7 on regulation joint C6.

It has the shaft hole to open on the regulation joint F14, adjust joint F14 and adjust line pole B15 and be connected through the pivot, pivot and shaft hole sliding connection, the shaft hole top is provided with waist type through-hole, adjust line pole B15 front end and open threaded hole, hand screw passes waist type through-hole and passes through threaded connection with the screw hole, is used for the fixed angular position of adjusting line pole B15 on regulation joint F14.

Example 2

Scales are arranged on the upper and lower scale mark rods 3 and the left and right scale mark rods 11, so that quantitative movement is facilitated.

The width of the limiting transverse rod 8 and the limiting longitudinal rod 16 is larger than 2cm, and the stability of the structure is improved.

The middle part of the guide sleeve 9 is provided with a through hole, and two sides of the guide sleeve 9 are provided with U-shaped clamping grooves for fixed installation.

Threaded holes are formed in the end face of one side of each of the adjusting joint B4, the adjusting joint D10 and the adjusting joint E12, and the threaded holes are in threaded connection with hand screws and used for fixing the adjusting joint B4, the adjusting joint D10 and the adjusting joint E12.

The working principle of the invention is as follows: when the neurosurgical body surface positioning and puncture guide instrument is used, a patient lies on a patient bed, the base 1 is placed on the plane of the patient bed and is parallel to the ground, the angle of the upper and lower scale mark rods 3 on the adjusting joint A2 is adjusted, the adjusting joint B4 is adjusted at the same time, the reference rod A5 is made to be consistent with the body length base line of the patient, the upper and lower scale mark rods 3 are fixed on the adjusting joint A2 through hand screws, the adjusting joint B4 and the reference rod A5 are fixed on the upper and lower scale mark rods 3 through hand screws, the adjusting joint D10 is adjusted, the height of the left and right scale mark rods 11 is adapted to the face of the patient, the adjusting joint D10 and the left and right scale mark rods 11 are fixed through hand screws, the adjusting joint B4 is adjusted, the reference rod A5 is moved to the hematoma depth of a CT slice, the adjusting joint B4 and the reference rod A5 are fixed on the upper and lower scale mark rods 3 through hand screws, the adjusting joint E12, moving a reference rod B13 to the distance from the central line of the CT film, fixing an adjusting joint E12 and a reference rod B13 on a left and right scale mark rod 11 through a hand screw, adjusting an adjusting joint C6, moving an adjusting wire rod A7 to the proper distance from the front to the back of hematoma of the CT film, fixing an adjusting wire rod A7 on a reference rod A5 through the hand screw, adjusting an adjusting joint F14, moving an adjusting wire rod B15 to the distance from the front to the back of hematoma of the CT film, wherein the distance between the adjusting wire rod A7 and the adjusting wire rod B15 is the same, fixing an adjusting wire rod B15 on a reference rod B13 through the hand screw, adjusting whether the puncture point is adjusted according to the puncture need, if the puncture point is not adjusted, the intersection point of a side limiting longitudinal rod and a limiting transverse rod, namely the body surface puncture point, clamping a guide sleeve to a right-angle intersection point, determining puncture, if the adjustment is needed, adjusting joint C6 is used, the puncture point moves up and down, and moves left and right, the adjusting joint C6 and the adjusting joint F14 can be adjusted simultaneously, so that the selection of the whole craniofacial puncture point is realized.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a neurosurgery body surface location and puncture guide instrument, includes base (1) through the screw connection with the operation table, its characterized in that, base (1) is provided with two, and parallel arrangement each other, base (1) and regulation joint A (2) sliding connection, regulation joint A (2) are connected through the pivot with upper and lower scale mark pole (3), upper and lower scale mark pole (3) middle part and regulation joint B (4) sliding connection, fix the one end at benchmark pole A (5) on the regulation joint B (4) rear end face, the other end of benchmark pole A (5) is provided with regulation joint C (6), regulation joint C (6) is connected through the pivot with the one end of regulation line pole A (7), the other end and the spacing horizontal pole (8) of regulation line pole A (7) pass through the screw connection, nested guide pin bushing (9) has on the spacing horizontal pole (8), the utility model discloses a scale mark pole, including upper and lower scale mark pole (3), regulation joint D (10) sliding connection, regulation joint D (10) are fixed at left and right sides scale mark pole (11) both ends, control scale mark pole (11) middle part and regulation joint E (12) sliding connection, fix the one end at benchmark pole B (13) on the regulation joint E (12) rear end face, the other end of benchmark pole B (13) is provided with regulation joint F (14), it is connected through the pivot with the one end of regulation line pole B (15) to adjust joint F (14), the other end and the spacing vertical pole (16) of regulation line pole B (15) pass through screw connection, nested guide pin bushing (9) on spacing vertical pole (16).

2. A neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein a T-shaped groove is formed in the base (1), a T-shaped block is arranged below the adjusting joint A (2), the T-shaped groove and the T-shaped block are in clearance fit, a threaded hole is formed in the front end face of the T-shaped block, a locking groove is formed in the front end face of the base (1), and a hand screw penetrates through the locking groove and is in threaded connection with the threaded hole to adjust and fix the position of the adjusting joint A (2) on the base (1).

3. A neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein the adjusting joint A (2) is provided with a shaft hole, the adjusting joint A (2) is connected with the upper and lower scale mark rods (3) through a rotating shaft, the rotating shaft is in sliding connection with the shaft hole, a waist-shaped through hole is arranged above the shaft hole, the lower ends of the upper and lower scale mark rods (3) are provided with threaded holes, and a hand screw passes through the waist-shaped through hole and is in threaded connection with the threaded holes.

4. A neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein the adjusting joint C (6) is provided with a shaft hole, the adjusting joint C (6) is connected with the adjusting wire rod A (7) through a rotating shaft, the rotating shaft is in sliding connection with the shaft hole, a waist-shaped through hole is arranged above the shaft hole, the front end of the adjusting wire rod A (7) is provided with a threaded hole, and a hand screw passes through the waist-shaped through hole and is in threaded connection with the threaded hole.

5. The neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein the adjusting joint F (14) is provided with a shaft hole, the adjusting joint F (14) is connected with the adjusting wire rod B (15) through a rotating shaft, the rotating shaft is slidably connected with the shaft hole, a waist-shaped through hole is arranged above the shaft hole, the front end of the adjusting wire rod B (15) is provided with a threaded hole, and a hand screw passes through the waist-shaped through hole and is in threaded connection with the threaded hole.

6. A neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein scales are arranged on the upper and lower scale rods (3) and the left and right scale rods (11).

7. A neurosurgical body surface positioning and penetration guide instrument according to claim 1, wherein the width of the limiting transverse rod (8) and the limiting longitudinal rod (16) is more than 2 cm.

8. The neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein a through hole is formed in the middle of the guide sleeve (9), and U-shaped clamping grooves are formed in two sides of the guide sleeve (9).

9. A neurosurgical body surface positioning and puncture guide instrument according to claim 1, wherein threaded holes are formed in end faces of one side of the adjusting joint B (4), the adjusting joint D (10) and the adjusting joint E (12), and the threaded holes are in threaded connection with hand screws.