CN211433360U

CN211433360U - Orientation instrument for craniocerebral minimally invasive surgery

Info

Publication number: CN211433360U
Application number: CN202020094164.6U
Authority: CN
Inventors: 邹杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-08
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a craniocerebral minimally invasive surgery orientation instrument, which is integrally of an arc-shaped structure, and the middle part of the orientation instrument is a clamping part of the arc-shaped structure; one end of the clamping part is connected with a first fixing part with a square structure, and the other end of the clamping part is connected with a second fixing part with a square structure. When the clamping part is fixed on the brain of a human body, the first fixing part and the second fixing part greatly improve the stability of the orientation instrument during operation. Wherein, the clamping part is provided with an adjusting component; the adjusting assembly can adjust the piercing position and angle of the minimally invasive puncture needle, and further improves the piercing accuracy of the minimally invasive puncture needle.

Description

Orientation instrument for craniocerebral minimally invasive surgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to craniocerebral minimally invasive surgery orientation instrument.

Background

In recent years, the incidence of hypertensive cerebral hemorrhage has been increasing year by year with the acceleration of the aging process of the population and the change of lifestyle. Because the acute and poor prognosis and high medical cost seriously harm the health and the quality of life of people, people are facing to a difficult problem of clinical and social public health. The minimally invasive technology is adopted to treat cerebral hemorrhage, the speed of clearing intracranial hematoma can be accelerated, the intracranial pressure is reduced, the compression of the hematoma on brain tissues and the toxic effect of degradation products on the brain tissues are obviously reduced, the cerebral edema and the damage of nerve functions are further reduced, the success rate of treatment is improved, and the fatality rate and the disability rate of patients are effectively reduced. The related research results show that the minimally invasive technology is applied to remove intracerebral hematoma, thereby being beneficial to reducing postoperative complications and improving postoperative excellent rate.

However, when the traditional orientation instrument for minimally invasive craniocerebral surgery is applied to minimally invasive craniocerebral surgery, the piercing accuracy of the minimally invasive puncture needle is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that when the traditional orientation instrument for the craniocerebral minimally invasive surgery is applied to the craniocerebral minimally invasive surgery, the accuracy of puncture of a minimally invasive puncture needle is not good enough, the utility model provides a craniocerebral minimally invasive surgery orientation instrument.

In order to realize the purpose of the utility model, the whole orientation instrument for the craniocerebral minimally invasive surgery is of an arc structure, and the middle part of the orientation instrument is a clamping part of the arc structure; one end of the clamping part is connected with a first fixing part with a square structure, and the other end of the clamping part is connected with a second fixing part with a square structure;

the clamping part is provided with an adjusting component; the adjusting component can adjust the piercing position and angle of the minimally invasive puncture needle.

In one embodiment, the adjustment assembly includes a slider having a square configuration;

the sliding block is sleeved on the clamping part and can slide from one end part of the clamping part to the other end part of the clamping part;

the top of the sliding block is connected with a square hollow structure shell; one side of the shell close to the concave side of the clamping part and one side of the shell close to the convex side of the clamping part are both of an opening structure;

a guide block with a square strip structure is arranged in the shell; along the length direction of the guide block, the bottom of the guide block is provided with a groove, and two sides of the groove respectively extend to two sides of the guide block;

a screw is fixed in the middle of the top of the guide block; the one end that the guide block was kept away from to the screw rod runs through the top of casing and extends to the outside of casing, and the one end that the guide block was kept away from to the screw rod is fixed with the nut.

In one embodiment, the depth of the groove is 3.0-4.1mm in the axial direction of the screw.

In one embodiment, the first fixing part is provided with a first mounting hole at the upper part and a second mounting hole at the lower part; the first mounting hole and the second mounting hole penetrate through the first fixing part;

the upper part of the second fixing part is provided with a third mounting hole; the third mounting hole penetrates through the second fixing part;

the bottom of the sliding block is provided with a fourth mounting hole; the fourth mounting hole penetrates through the sliding block;

a fifth mounting hole is formed in the middle of the clamping part; a sixth mounting hole is formed in one end part, close to the second fixing part, of the clamping part; the fifth mounting hole and the sixth mounting hole penetrate through the clamping part.

In one specific embodiment, the first mounting hole, the second mounting hole, the third mounting hole, the fourth mounting hole, the fifth mounting hole and the sixth mounting hole are all threaded holes.

In one specific embodiment, the centers of the first mounting hole and the third mounting hole are positioned on the plane of the top of the sliding block, and the axis of the first mounting hole and the axis of the third mounting hole are collinear;

the axis of the second mounting hole is parallel to the axis of the first mounting hole;

the axis of the fourth mounting hole and the axis of the first mounting hole form a first preset angle;

the axis of the fifth mounting hole is vertical to the axis of the first mounting hole;

the axis of the sixth mounting hole and the axis of the first mounting hole form a second preset angle.

In one embodiment, the first predetermined angle is 0-90 degrees; the second preset angle is 10-30 degrees.

In one embodiment, the lower part of the second fixing part is provided with a puncture hole; the axis of the puncture hole is collinear with the axis of the second mounting hole.

In one embodiment, the bottom of one side wall of the shell is abutted with the top of the clamping part, and the other side wall of the shell is abutted with the top of the sliding block;

a seventh mounting hole is formed in the bottom of one side wall of the shell; the seventh mounting hole penetrates through one side wall of the shell;

eighth mounting holes are formed in the tops of the sliding blocks; the eighth mounting hole penetrates through the sliding block;

the axis of the seventh mounting hole is collinear with the axis of the eighth mounting hole; and a side wall of the housing and the sliding block are detachably connected through the seventh mounting hole and the eighth mounting hole using bolts.

In one specific embodiment, a first stop block with a square structure is rotatably connected to the side, opposite to the side where the sliding block abuts against one side wall of the shell; the first stop block can block one hole opening of the eighth mounting hole;

the second fixing part is rotatably connected with a second stop block at one side adjacent to the connecting side of the clamping part, and the second stop block can block one hole opening of the piercing hole.

The utility model has the advantages that: the utility model discloses a cranium brain minimal access surgery direction finder is through setting up first fixed part and second fixed part, and when the clamping part was fixed at human brain, first fixed part and second fixed part had improved the stability of direction finder during operation greatly. Wherein, the clamping part is provided with an adjusting component; the adjusting assembly can adjust the piercing position and angle of the minimally invasive puncture needle, and further improves the piercing accuracy of the minimally invasive puncture needle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of an embodiment of the orientation apparatus for minimally invasive craniocerebral surgery of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the orientation apparatus for minimally invasive craniocerebral surgery according to the present invention;

fig. 3 is a partially enlarged view of the area a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description or simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, the overall orientation instrument for minimally invasive craniocerebral surgery is of an arc-shaped structure. The middle part of the orientation instrument for the craniocerebral minimally invasive surgery is a clamping part 110 with an arc-shaped structure, one end part of the clamping part 110 is connected with a first fixing part 120 with a square structure, and the other end part is connected with a second fixing part 130 with a square structure. The clamping part 110 is provided with an adjusting component 140, and the adjusting component 140 can adjust the piercing position and angle of the minimally invasive puncture needle.

In the embodiment, the overall craniocerebral minimally invasive surgery orientation instrument is of an arc-shaped structure, is matched with the shape of the head of a human body, and is convenient to wear the orientation instrument on the head of the human body. When the clamping portion 110 is fixed on the human brain, the first fixing portion 120 and the second fixing portion 130 make the connection between the orientation instrument and the human brain more stable, and greatly improve the stability of the orientation instrument during operation. The clamping part 110 is provided with the adjusting component 140, when the medical staff uses the minimally invasive puncture needle to puncture intracranial hematoma of a patient, the adjusting component 140 can adjust the puncture position and angle of the minimally invasive puncture needle, and further the puncture accuracy of the minimally invasive puncture needle is effectively improved.

Specifically, the adjustment assembly 140 includes a slider 141 having a square configuration. The slide block 141 is fitted to the clamping unit 110 and can slide from one end of the clamping unit 110 to the other end of the clamping unit 110. When the clamping portion 110 is fixed on the head of a human body, the sliding block 141 can be roughly adjusted according to the position of hematoma, the puncture position is preliminarily determined, and then the puncture accuracy is improved. The top of the sliding block 141 is connected with a housing 142 with a square hollow structure, and both the side of the housing 142 close to the concave side of the clamping part 110 and the side of the housing 142 close to the convex side of the clamping part 110 are open structures. Thus, the minimally invasive puncture needle can be conveniently inserted into the cranium through the openings at the two sides of the shell 142. The housing 142 is provided with a guide block 143 having a square strip structure, and along the length direction of the guide block 143, the bottom of the guide block 143 is provided with a groove, and two sides of the groove respectively extend to two sides of the guide block 143. The guide block 143 can guide for the minimally invasive puncture needle well, and the minimally invasive puncture needle can be inserted into the cranium along the groove, so that the puncture position and angle of the minimally invasive puncture needle can be further accurately controlled, and the puncture accuracy is further improved. Moreover, the error influence of medical staff caused by hand shaking in the puncture process can be effectively reduced. A screw 144 is fixed in the middle of the top of the guide block 143, one end of the screw 144, which is far away from the guide block 143, extends to the outside of the housing 142 through the top of the housing 142, and a nut 145 is fixed at one end of the screw 144, which is far away from the guide block 143. The guide block 143 can be rotated around the screw 144 by rotating the nut 145, so that the position of the guide block 143 can be adjusted to meet the requirements of minimally invasive surgery. The depth of the groove is 3.0-4.1mm along the axial direction of the screw 144. When the bottom of the guide block 143 abuts against the top of the sliding block 141, the depth of the groove is different so as to adapt to the insertion of minimally invasive surgery puncture needles of different specifications into the cranium along the groove. If the depth of the groove is 3.6mm, the minimally invasive puncture needle with the diameter of 3.5mm can be inserted into the cranium along the groove.

In an embodiment of the present invention, the first fixing portion 120 is provided with a first mounting hole 121 at an upper portion thereof and a second mounting hole 122 at a lower portion thereof. The first and second mounting

holes

121 and 122 each penetrate the first fixing portion 120. The second fixing portion 130 has a third mounting hole 131 at an upper portion thereof, and the third mounting hole 131 penetrates the second fixing portion 130. The bottom of the sliding block 141 is provided with a fourth mounting hole 1411, and the fourth mounting hole 1411 penetrates through the sliding block 141. The middle of the clamping portion 110 is provided with a fifth mounting hole 111, one end of the clamping portion 110 close to the second fixing portion 130 is provided with a sixth mounting hole 112, and the fifth mounting hole 111 and the sixth mounting hole 112 penetrate through the clamping portion 110. Specifically, the first mounting hole 121, the second mounting hole 122, the third mounting hole 131, the fourth mounting hole 1411, the fifth mounting hole 111, and the sixth mounting hole 112 are all threaded holes. So, use the bolt to pass through screw hole can be with direction finder fixed mounting on human head, has improved the stability of direction finder during operation greatly.

The first working principle is as follows: when minimally invasive surgery on the coronal plane is required, the location and orientation of the puncture site is determined on the scalp. The position of the slider 141 is adjusted according to the position of the puncture point. The maximum hematoma plane is selected to fix the orientation instrument. Then, the grip 110 is fixed to the head of the human body by bolts through the fifth and sixth mounting

holes

111 and 112. The first fixing part 120 is fixed to the head of the human body using bolts through the first and second mounting

holes

121 and 122. The second fixing portion 130 is fixed to the head of the human body by bolts through the third mounting holes 131. The sliding block 141 can be fixed on the head of the human body by using a bolt through the fourth mounting hole 1411. Rotating the nut 145 causes the guide block 143 to move in a direction to approach the slide block 141. When the bottom of the guide block 143 abuts the top of the slide block 141, the guide block 143 continues to be rotated, and the position of the piercing point and the angle of piercing are accurately adjusted. Then a minimally invasive surgery puncture needle is inserted through the groove to carry out minimally invasive surgery. In the process, the centers of the first mounting hole 121 and the third mounting hole 131 are located on the plane of the top of the sliding block 141, and the axis of the first mounting hole 121 and the axis of the third mounting hole 131 are collinear. The axis of the fifth mounting hole 111 is perpendicular to the axis of the first mounting hole 121. When the bottom of the guide block 143 abuts against the top of the slide block 141, the axes of the grooves, the centers of the first mounting hole 121 and the third mounting hole 131 are all located on the same plane, and the center of the fifth mounting hole 111 is located on the vertical centerline of the front and rear sides of the cranium. In this way, the accuracy of the piercing is further improved. In addition, the axis of the second mounting hole 122 and the axis of the first mounting hole 121 are parallel to each other. The axis of the fourth mounting hole 1411 makes a first preset angle with the axis of the first mounting hole 121. The axis of the sixth mounting hole 112 is at a second predetermined angle to the axis of the first mounting hole 121. Specifically, the first preset angle is 0-90 degrees; the second preset angle is 10-30 degrees.

Referring to fig. 3, in an embodiment of the present invention, the second fixing portion 130 is provided with a piercing hole 132 at a lower portion thereof, and an axis of the piercing hole 132 is collinear with an axis of the second mounting hole 122.

The second working principle is as follows: when minimally invasive surgery needs to be performed on the cross section, the longitudinal metal strips are placed at the position where the minimally invasive surgery is prepared and on the opposite side. When the patient does CT again, the plane with the largest hematoma is selected, and a line corresponding to the plane can be drawn on the scalp through CT. Then, based on the visualization of the scalp markers on the cranium, the puncture points and the corresponding points of the puncture points are determined. The corresponding point of the puncture point is used as the fixing point of the second mounting hole 122 of the first fixing portion 120, and correspondingly, because the axis of the puncture hole 132 is collinear with the axis of the second mounting hole 122, the puncture hole 132 is located at the puncture point, and the minimally invasive surgery is performed on the patient through the puncture hole 132 by using minimally invasive surgery puncture. Wherein, the diameter of the hole of the puncture hole 132 is 3.6mm, so as to facilitate the insertion of a minimally invasive puncture needle with the diameter of 3.5 mm.

In an embodiment of the present invention, the bottom of one side wall of the housing 142 abuts against the top of the clamping portion 110, and the other side wall abuts against the top of the sliding block 141. A seventh mounting hole is formed at the bottom of one side wall of the housing 142, and the seventh mounting hole penetrates through one side wall of the housing 142. The top of the sliding block 141 is provided with an eighth mounting hole, and the eighth mounting hole penetrates through the sliding block 141. The axis of the seventh mounting hole and the axis of the eighth mounting hole are collinear, and a side wall of the housing 142 and the sliding block 141 are detachably coupled through the seventh mounting hole and the eighth mounting hole using bolts. In this way, the detachment and installation of the housing 142 and the slide block 141 are facilitated. In addition, a first stopper 150 having a square structure is rotatably connected to the opposite side of the sliding block 141 abutting against the side wall of the housing 142, and the first stopper 150 can block one of the openings of the eighth mounting hole. A second stopper 160 is rotatably connected to a side of the second fixing portion 130 adjacent to the side where the clamping portion 110 is connected, and the second stopper 160 can block one of the openings of the puncture hole 132. When the orienter is idle, the first stop 150 blocks one of the openings of the eighth mounting hole and the second stop 160 blocks one of the openings of the piercing hole 132. When the orientation apparatus is required to be used, the first stopper 150 is opened, so that the housing 142 and the slide block 141 are assembled using the bolts. The second stop 160 is opened to facilitate insertion of the minimally invasive needle into the puncture hole 132.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: numerous variations, modifications, and equivalents will occur to those skilled in the art upon reading the present application and are within the scope of the claims appended hereto.

Claims

1. The orientation instrument for the craniocerebral minimally invasive surgery is characterized in that the whole orientation instrument is of an arc-shaped structure, and the middle part of the orientation instrument is a clamping part of the arc-shaped structure; one end of the clamping part is connected with a first fixing part with a square structure, and the other end of the clamping part is connected with a second fixing part with a square structure;

2. The minimally invasive craniocerebral surgery direction finder according to claim 1, wherein the adjustment assembly comprises a sliding block of square configuration;

the top of the sliding block is connected with a square hollow structure shell; one side of the shell, which is close to the concave side of the clamping part, and one side of the shell, which is close to the convex side of the clamping part, are both of an opening structure;

a screw is fixed in the middle of the top of the guide block; one end, far away from the guide block, of the screw rod penetrates through the top of the shell and extends to the outside of the shell, and a nut is fixed at one end, far away from the guide block, of the screw rod.

3. The minimally invasive craniocerebral surgery direction finder according to claim 2, wherein the depth of the groove along the axial direction of the screw is 3.0-4.1 mm.

4. The minimally invasive craniocerebral surgery orientation instrument of claim 2, wherein the upper part of the first fixing part is provided with a first mounting hole, and the lower part of the first fixing part is provided with a second mounting hole; the first mounting hole and the second mounting hole penetrate through the first fixing part;

a fourth mounting hole is formed in the bottom of the sliding block; the fourth mounting hole penetrates through the sliding block;

a fifth mounting hole is formed in the middle of the clamping part; a sixth mounting hole is formed in one end, close to the second fixing part, of the clamping part; the fifth mounting hole and the sixth mounting hole penetrate through the clamping part.

5. The minimally invasive cranial surgical positioner of claim 4, wherein the first mounting hole, the second mounting hole, the third mounting hole, the fourth mounting hole, the fifth mounting hole and the sixth mounting hole are all threaded holes.

6. The minimally invasive craniocerebral surgery direction finder as claimed in claim 4, wherein the centers of the first mounting hole and the third mounting hole are located on the plane of the top of the sliding block, and the axis of the first mounting hole and the axis of the third mounting hole are collinear;

the axis of the fifth mounting hole is perpendicular to the axis of the first mounting hole;

7. The minimally invasive craniocerebral surgery direction finder according to claim 6, wherein the first preset angle is 0-90 degrees; the second preset angle is 10-30 degrees.

8. The minimally invasive craniocerebral surgery orientation instrument of claim 4, wherein the lower part of the second fixing part is provided with a puncture hole; the axis of the puncture hole is collinear with the axis of the second mounting hole.

9. The minimally invasive craniocerebral surgery direction finder as claimed in claim 8, wherein the bottom of one side wall of the shell abuts against the top of the clamping part, and the other side wall abuts against the top of the sliding block;

the axis of the seventh mounting hole and the axis of the eighth mounting hole are collinear; and a side wall of the housing and the sliding block are detachably connected through the seventh mounting hole and the eighth mounting hole by using bolts.

10. The minimally invasive craniocerebral surgery orientation instrument of claim 9, wherein a first stop block with a square structure is rotatably connected to the side, opposite to the side, abutting against one side wall of the shell; the first stop block can block one hole of the eighth mounting hole;

and a second stop block is rotatably connected to one side of the second fixing part adjacent to the connecting side of the clamping part and can shield one orifice of the piercing hole.