CN114366335B - Multifunctional positioning device for spinal surgery - Google Patents
Multifunctional positioning device for spinal surgery Download PDFInfo
- Publication number
- CN114366335B CN114366335B CN202210117891.3A CN202210117891A CN114366335B CN 114366335 B CN114366335 B CN 114366335B CN 202210117891 A CN202210117891 A CN 202210117891A CN 114366335 B CN114366335 B CN 114366335B
- Authority
- CN
- China
- Prior art keywords
- ring
- shell
- puncture membrane
- cavity
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2065—Tracking using image or pattern recognition
Abstract
The invention provides a multifunctional positioning device for spinal surgery, which comprises: the middle part of the shell is provided with a first cavity; the connecting mechanism is connected to two sides of the shell and used for connecting the shell to a to-be-fixed object; the multiple groups of connecting rods are symmetrically arranged in the first cavity in pairs and in groups, and the connecting rods are connected with the shell in a sliding manner; the locking mechanism is arranged between the shell and the connecting rod; the mounting ring is erected between the two connecting rods in the same group; the adjusting mechanism is arranged on the connecting rod; the upper puncture membrane is arranged at the top of the mounting ring, a plurality of groups of concentric ring marked lines are formed on the upper puncture membrane, and the upper puncture membrane is made of transparent materials; the lower puncture membrane is arranged at the bottom of the mounting ring, and a puncture point is formed in the middle of the lower puncture membrane; the invention has simple structure, accurate positioning and convenient operation, is made of disposable nontoxic materials and can avoid cross infection of patients.
Description
Technical Field
The invention relates to the technical field of positioning devices for surgical operations, in particular to a multifunctional positioning device for spinal surgery.
Background
With the rapid development of modern spinal surgery, the types and the number of spinal surgeries are increasing. The whole spine has a plurality of centrums, the anatomical structure is complicated, important spinal nerves and blood vessels are adjacent, the operation risk is high, the accurate positioning is very important by using a positioning device in the operation even if the spine is provided with perspective equipment such as x-rays and the like, the deviation is easy to occur in the puncture positioning process, and serious consequences are caused, so that the accurate positioning by using the positioning device in the operation is very important, the accuracy and the safety of the positioning directly influence the postoperative return of a patient, and the positioning in the operation of the spinal surgery is the key for ensuring the accuracy of an operation section and the success of the operation.
The existing positioning device generally has the following defects;
1. the positioning is inaccurate, the accuracy is poor, repeated operation is needed, the operation risk is increased, meanwhile, the positioning is needed by means of the radiation equipment for many times, and the radiation exposure of an operator and a patient is increased;
2. the device is complex and inconvenient to operate, the workload of a doctor is increased, and the operation time is prolonged;
3. typical positioning devices are generally repetitive products, increasing the risk of cross-infection for patients.
Disclosure of Invention
The invention provides a multifunctional positioning device for spinal surgery, which aims to solve the technical problems of inaccurate positioning, inconvenient operation and easy cross infection in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a multifunctional positioning device for spinal surgery, which comprises:
the middle part of the shell is provided with a first cavity;
the connecting mechanisms are connected to two sides of the shell and are used for connecting the shell to a to-be-fixed object;
the connecting rods are symmetrically arranged in the first cavity in pairs and groups, and are connected with the shell in a sliding manner;
the locking mechanism is arranged between the shell and the connecting rod and is used for limiting the connecting rod to slide freely in the first cavity;
the mounting ring is erected between the two connecting rods in the same group and can slide along the connecting rods;
the adjusting mechanism is arranged on the connecting rod and is used for adjusting the position of the mounting ring;
the upper puncture membrane is arranged at the top of the mounting ring, a plurality of groups of concentric ring marked lines are formed on the upper puncture membrane, and the upper puncture membrane is made of a transparent material;
the lower puncture membrane is arranged at the bottom of the mounting ring, a puncture point is formed in the middle of the lower puncture membrane, and the upper puncture membrane and the lower puncture membrane are parallel to each other.
Furthermore, the locking mechanism comprises a piston, a support rod, a first limiting piece, a second limiting piece, a first check ring and a tension spring, wherein a through hole is formed in the middle of the connecting rod, the first check ring is fixedly installed in the through hole, the piston is hermetically connected to one side, close to the shell, in the through hole, and the tension spring is connected between the piston and the first check ring;
the supporting rod is arranged on one side, far away from the first check ring, of the piston, a second cavity is formed in the inner side of the shell, and the first limiting piece and the second limiting piece are uniformly arranged between the supporting rod and the inner wall of the second cavity; under the action of the tension spring, the first limiting piece is abutted against the second limiting piece, so that the position of the supporting rod in the second cavity is locked;
the upper puncture membrane, the lower puncture membrane and the connecting rod are hermetically connected with the mounting ring, and the first limiting piece and the second limiting piece can be disengaged by pressing the upper puncture membrane and the lower puncture membrane, so that the position of the supporting rod in the second cavity can be adjusted;
furthermore, the first limiting part is a limiting column, and the limiting column is installed on one side, close to the installation ring, of the supporting rod;
the second locating part is a plurality of spacing holes, and is a plurality of spacing hole equidistance is laid on the inner wall of second cavity, the position of seting up in spacing hole with the mounted position of spacing post is relative, and is a plurality of spacing hole court the connecting rod is in the slip direction of shell extends.
Furthermore, the first limiting piece is a first friction block, and the first friction block is mounted on one side, close to the mounting ring, of the support rod;
the second limiting piece is a second friction block, and the installation position of the second friction block is opposite to the installation position of the first friction block.
Furthermore, the locking mechanism further comprises a second retainer ring, and the second retainer ring is arranged on one side, far away from the piston, of the connecting rod so as to prevent the mounting ring from sliding off the connecting rod.
Further, adjustment mechanism includes regulating block and first spring, be formed with the screw thread on the middle part outer lane of connecting rod, regulating block threaded connection be in the middle part of connecting rod, first spring housing is established just be located on the connecting rod the regulating block with between the collar.
Further, the shell is made of transparent elastic material.
Furthermore, an angle value is set on the ring mark line, and the angle value is equal to an acute angle value of a connecting line from any point of the ring mark line to the central point of the upper puncture membrane and an acute angle value of a connecting line from any point to the central point of the lower puncture membrane.
Furthermore, the positioning device also comprises a clamping mechanism, the clamping mechanism is arranged at the central point position of the lower puncture membrane, and the clamping mechanism comprises a shell, a sphere, a second spring and a circular ring;
the third cavity is seted up at the middle part of casing, the spheroid rotates to be connected in the third cavity, vertical puncture has been seted up on the spheroid, ring fixed mounting is in spheroidal outer lane top, the second spring housing is established spheroidal week side and is located the ring with between the bottom surface of third cavity.
Furthermore, the shell, the connecting rod, the mounting ring, the upper puncture membrane and the lower puncture membrane are all made of disposable medical non-toxic materials.
The invention has the beneficial effects that:
1. the structure is simple, the purchase cost of the product is low, and the product is suitable for being popularized in hospitals;
2. the X-ray puncture needle is used together with X-ray, and the angle and the position of a puncture point can be adjusted, so that the puncture of the Kirschner wire is more accurate;
3. the positioning operation is more convenient, and compared with other positioning products, the labor intensity of doctors is reduced;
4. the important parts of the invention are made of disposable medical nontoxic materials, which can effectively avoid cross infection of patients.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is a partially enlarged view of the area C in FIG. 3;
FIG. 5 is an enlarged schematic front view of the upper piercing membrane;
FIG. 6 is an enlarged schematic front view of the lower puncture membrane;
FIG. 7 is an enlarged internal cross-sectional view of the clamping mechanism;
fig. 8 is a three-dimensional schematic view of the housing.
Description of reference numerals:
1. a housing; 11. a first cavity; 12. a second cavity; 13. a kidney-shaped hole;
2. a connecting mechanism;
3. a connecting rod; 31. a through hole;
4. a locking mechanism; 41. a piston; 42. a support bar; 43. a first limit piece; 44. a second limiting member; 45. a first retainer ring; 46. a tension spring; 47. a second retainer ring;
5. a mounting ring;
6. an adjustment mechanism; 61. a regulating block; 62. a first spring;
7. puncturing the membrane; 71. marking a circular ring;
8. puncturing the membrane; 81. a puncture point;
9. a clamping mechanism; 91. a housing; 911. a third cavity; 92. a sphere; 921. puncturing a hole; 93. a second spring; 94. a circular ring;
10. an angle adjusting mechanism; 101. a connecting plate; 102. a rotating shaft; 103. and screwing the ring.
Detailed Description
The invention is further described in detail below with reference to the drawings and specific embodiments. In the description of the present invention, the relevant orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, where "up" and "down" refer to the up-down direction of fig. 1. It is to be understood that such directional terms are merely used to facilitate describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.
In addition, the descriptions of "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number or order of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, an embodiment of the present application provides a multifunctional positioning device for spinal surgery, including: the device comprises a shell 1, wherein a first cavity 11 is formed in the middle of the shell 1; the shell 1 is composed of an upper shell and a lower shell, and the upper shell and the lower shell can be fixed together through screws or ultrasonic welding and the like.
The connecting mechanisms 2 are connected to two sides of the shell 1 and are used for connecting the shell 1 to a to-be-fixed object; the connecting rods 3 are symmetrically arranged on the first cavity 11 in pairs and groups, a waist-shaped hole 13 is formed in the shell 1 along the length direction of the shell, and the connecting rods 3 are connected in the waist-shaped hole 13 in a sliding manner;
the connecting rod 3 is connected with the shell 1 in a sliding way; the locking mechanism 4 is installed between the shell 1 and the connecting rod 3, and is used for limiting the connecting rod 3 to freely slide in the first cavity 11; the mounting ring 5 is spanned between two connecting rods 3 in the same group, and the mounting ring 5 can slide along the connecting rods 3; and the adjusting mechanism 6 is arranged on the connecting rod 3 and used for adjusting the position of the mounting ring 5.
The upper puncture membrane 7 is arranged at the top of the mounting ring 5, a plurality of groups of concentric ring marked lines 71 are formed on the upper puncture membrane 7, and the upper puncture membrane 7 is made of a transparent material; the lower puncture membrane 8 is arranged at the bottom of the mounting ring 5, the lower puncture membrane 8 is made of transparent materials, a puncture point 81 is formed in the middle of the lower puncture membrane 8, and the upper puncture membrane 7 and the lower puncture membrane 8 are parallel to each other.
In some embodiments, the locking mechanism 4 includes a piston 41, a support rod 42, a first limiting member 43, a second limiting member 44, a first retaining ring 45 and a tension spring 46, a through hole 31 is formed in the middle of the connecting rod 3, the first retaining ring 45 is fixedly installed in the through hole 31, the piston 41 is hermetically connected to one side of the through hole 31 close to the housing 1, and the tension spring 46 is connected between the piston 41 and the first retaining ring 45;
the supporting rod 42 is installed on one side of the piston 41 far away from the first retainer ring 45, the inner side of the housing 1 is provided with a second cavity 12, and the first limiting piece 43 and the second limiting piece 44 are uniformly arranged between the supporting rod 42 and the inner wall of the second cavity 12; under the action of the tension spring 46, the first limiting member 43 and the second limiting member 44 abut against each other, so that the support rod 42 is locked in the second cavity 12;
the upper puncture membrane 7, the lower puncture membrane 8 and the connecting rod 3 are all connected with the mounting ring 5 in a sealing manner, and the first limiting piece 43 and the second limiting piece 44 can be disengaged by pressing the upper puncture membrane 7 and the lower puncture membrane 8, so that the position of the supporting rod 42 in the second cavity 12 can be adjusted;
in the present embodiment, the operation of the locking mechanism 4 is as follows: initially, under the action of the tension spring 46, the first stopper 43 and the second stopper 44 abut against each other, so that the position of the support rod 42 in the second cavity 12 is locked; when the locking needs to be removed, the doctor presses the corresponding upper puncture membrane 7 and lower puncture membrane 8, because the upper puncture membrane 7, the lower puncture membrane 8 and the connecting rod 3 all with the mounting ring 5 is in sealing connection, after the pressing, the air in the mounting ring 5 enters the through hole 31, the air pressure in the through hole 31 is increased and pushes the piston 41 box to move towards the direction far away from the mounting ring 5, the piston 41 synchronously pushes the supporting rod 42 and the first limiting part 43 to move, the first limiting part 43 and the second limiting part 44 are disengaged, the locking is removed, and at the moment, the doctor can adjust the position of the supporting rod 42 in the second cavity 12.
In some embodiments, the first position-limiting member 43 is a position-limiting post, and the position-limiting post is mounted on one side of the supporting rod 42 close to the mounting ring 5;
the second locating part 44 is a plurality of spacing holes, and is a plurality of spacing hole equidistance is laid on the inner wall of second cavity 12, the position of seting up in spacing hole with the mounted position of spacing post is relative, and is a plurality of spacing hole court connecting rod 3 is in the slip direction of shell 1 extends.
In some embodiments, the first position-limiting element 43 is a first friction block, and the first friction block is installed on one side of the supporting rod 42 close to the mounting ring 5;
the second limiting member 44 is a second friction block, and the installation position of the second friction block is opposite to the installation position of the first friction block.
In some embodiments, the locking mechanism further comprises a second retainer 47, the second retainer 47 being mounted on the connecting rod 3 on a side thereof remote from the piston 41 to prevent the mounting ring 5 from sliding off the connecting rod 3.
In some embodiments, the adjusting mechanism 6 includes an adjusting block 61 and a first spring 62, a thread is formed on the middle outer ring of the connecting rod 3, the adjusting block 61 is connected to the middle of the connecting rod 3 in a threaded manner, and the first spring 62 is sleeved on the connecting rod 3 and located between the adjusting block 61 and the mounting ring 5.
In the present embodiment, the working process of the adjusting mechanism 6 for adjusting the position of the mounting ring 5 is as follows: the adjusting block 61 is first rotated, and the adjusting block 61 pushes the mounting ring 5 to move through the first spring 62, so that the position of the mounting ring 5 can be adjusted.
In some embodiments, the housing 1 is made of a transparent elastic material, which enables the housing 1 and the lower puncture membrane 8 to be attached to the back of the patient more closely, thereby further improving the positioning accuracy.
In some embodiments, an angle value is set on the ring mark line 71, and the angle value is equal to an acute angle value between a connecting line from any point of the ring mark line 71 to the center point of the upper puncture membrane 7 and a connecting line from any point to the center point of the lower puncture membrane 8.
In some embodiments, the positioning device further comprises a clamping mechanism 9, the clamping mechanism 9 is arranged at the central point of the lower penetration membrane 8, and the clamping mechanism 9 comprises a shell 91, a ball 92, a second spring 93 and a ring 94;
a third cavity 911 is formed in the middle of the casing 91, the ball 92 is rotatably connected to the third cavity 911, a vertical puncture hole 921 is formed in the ball 92, the ring 94 is fixedly mounted at the top of the outer ring of the ball 92, and the second spring 93 is sleeved on the periphery of the ball 92 and is located between the ring 94 and the bottom surface of the third cavity 911.
In this embodiment, the operation process of the clamping mechanism 9 is as follows: the kirschner wire penetrates into the patient body through the puncture hole 921, and the kirschner wire penetrates into the patient body to form a certain inclination angle, so that the second spring 93 generates a reset reaction force to the ball 92 under the action of the second spring 93, but the reaction force is blocked by the kirschner wire, and the kirschner wire can be clamped by the method to prevent the kirschner wire from falling off.
In some embodiments, the housing 1, the connecting rod 3, the mounting ring 5, the upper puncture membrane 7, and the lower puncture membrane 8 are all made of a disposable, non-toxic material for medical use.
In some other embodiments, the positioning device further includes an angle adjusting mechanism 10, the connecting mechanism 2 is connected to the housing 1 through the angle adjusting mechanism 10, the angle adjusting mechanism 10 includes a connecting plate 101, a rotating shaft 102 and a tightening ring 103, two sides of the housing 1 in the length direction are connected to the connecting plate 101 through the rotating shaft 102, the rotating shaft 102 is fixedly connected to the connecting plate 101, the rotating shaft 102 is rotatably connected to the housing 1, threads are disposed on the rotating shaft 102, the tightening ring 103 is in threaded connection with the rotating shaft 102, the tightening ring 103 is in a circular ring shape, a first angle marking line is disposed on one side of the outer ring of the rotating shaft 102 close to the housing 1, and a first marking line is disposed on one side of the housing 1 close to the rotating shaft 102.
In this embodiment, the working process of the angle adjusting mechanism 10 is as follows: when a doctor needs to adjust the angle of the shell 1, firstly the screwing ring 103 is unscrewed, the shell 1 is adjusted to a proper angle, the angle of the shell 1 can be observed in real time through the first angle marking line on the rotating shaft 102 and the first marking line on the shell 1, after the angle adjustment is completed, the screwing ring 103 is rotated, the screwing ring 103 abuts against the end face of the shell 1, and at the moment, the angle of the shell 1 is fixed.
The utility model discloses a set up the angle of casing 1, including connecting rod 3, collar 5, connecting rod 3, mounting ring 5, connecting rod 3, the outer lane of connecting rod 3 is last to be provided with second angle groove on being close to collar 5, one side that is close to connecting rod 3 on the collar 5 is provided with the second marking, because collar 5 and connecting rod 3 rotate to be connected, this mechanism can be used for adjusting the angle between collar 5 and the casing 1, second angle groove and second marking can be convenient for the doctor observe in real time collar 5 with angle between the casing 1.
The working process of the invention is as follows: firstly, the puncture point of the kirschner wire is determined and marked by X-ray, after the puncture is finished, the shell 1 is attached to the spinal position of a patient and is fixed on the body of the patient or on two sides of an operating bed by the connecting mechanism 2, after the shell 1 is fixed, the angles of the shell 1 and the connecting plate 101 are adjusted by the angle adjusting mechanism 10, the installation ring 5 is rotated, the angles of the installation ring 5 and the connecting rods 3 are adjusted, the puncture angle of the kirschner wire can be adjusted by adjusting the two angles, after the adjustment of the puncture angle is finished, a doctor determines the angle of the kirschner wire inserted into the patient by pressing the upper puncture membrane 7 and the lower puncture membrane 8 on the same group of the connecting rods 3, unlocking the locking mechanism 4 on the group, sliding the installation ring 5 on the group of the connecting rods 3, adjusting the position of the installation ring 5 by the adjusting mechanism 6, so that the puncture point 81 on the lower puncture membrane 8 on the group of the connecting rods 3 is matched with the point marked by the X-ray, after the angle is determined, the corresponding angle is found on the circle mark 71 on the upper puncture membrane 7 on the puncture membrane 7, and the lower puncture site of the kirschner wire can be inserted into the patient conveniently used by the doctor according to the selected angle, and the accuracy of the puncture needle can be improved before the puncture needle is further used by the doctor.
The outer ring of the connecting ring 3 is provided with a circular groove along the length direction, the circular groove is provided with scale marks, when the scoliosis of a patient is caused, the adjusting block 61 can be rotated, the first spring 62 provides traction force for the mounting ring 5, the traction force can enable the scoliosis spine to be straightened back or have a tendency of straightening back, and the scale marks on the circular groove can facilitate the doctor to adjust the traction force.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are included in the scope of the present invention. Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A multifunctional positioning device for spinal surgery, comprising:
the device comprises a shell (1), wherein a first cavity (11) is formed in the middle of the shell (1);
the connecting mechanisms (2) are connected to two sides of the shell (1) and are used for connecting the shell (1) to a to-be-fixed object;
the connecting rods (3) are symmetrically arranged on the first cavity (11) in pairs and in groups, and the connecting rods (3) are connected with the shell (1) in a sliding manner;
the locking mechanism (4) is installed between the shell (1) and the connecting rod (3) and used for limiting the connecting rod (3) to freely slide in the first cavity (11);
the mounting ring (5) is erected between two connecting rods (3) in the same group, and the mounting ring (5) can slide along the connecting rods (3);
the adjusting mechanism (6) is mounted on the connecting rod (3) and used for adjusting the position of the mounting ring (5);
the upper puncture membrane (7), the upper puncture membrane (7) is arranged at the top of the mounting ring (5), a plurality of groups of concentric ring mark lines (71) are formed on the upper puncture membrane (7), and the upper puncture membrane (7) is made of transparent materials;
the lower puncture membrane (8) is arranged at the bottom of the mounting ring (5), a puncture point (81) is formed in the middle of the lower puncture membrane (8), and the upper puncture membrane (7) and the lower puncture membrane (8) are parallel to each other;
the locking mechanism (4) comprises a piston (41), a supporting rod (42), a first limiting piece (43), a second limiting piece (44), a first check ring (45) and a tension spring (46), a through hole (31) is formed in the middle of the connecting rod (3), the first check ring (45) is fixedly installed in the through hole (31), the piston (41) is connected to one side, close to the shell (1), in the through hole (31) in a sealing mode, and the tension spring (46) is connected between the piston (41) and the first check ring (45);
the supporting rod (42) is installed on one side, far away from the first retainer ring (45), of the piston (41), a second cavity (12) is formed in the inner side of the shell (1), and the first limiting piece (43) and the second limiting piece (44) are uniformly distributed between the supporting rod (42) and the inner wall of the second cavity (12); under the action of the tension spring (46), the first limiting piece (43) is abutted with the second limiting piece (44) so that the supporting rod (42) is locked at the position in the second cavity (12);
the upper puncture membrane (7), the lower puncture membrane (8) and the connecting rod (3) are hermetically connected with the mounting ring (5), and the first limiting part (43) and the second limiting part (44) can be disengaged by pressing the upper puncture membrane (7) and the lower puncture membrane (8), so that the position of the supporting rod (42) in the second cavity (12) can be adjusted.
2. The multifunctional positioning device for spinal surgery according to claim 1, characterized in that the first limiting member (43) is a limiting post mounted on one side of the supporting rod (42) close to the mounting ring (5);
the second locating part (44) is a plurality of limiting holes, the limiting holes are arranged on the inner wall of the second cavity (12) at equal intervals, the arranging positions of the limiting holes are opposite to the installing positions of the limiting columns, and the limiting holes extend towards the connecting rod (3) in the sliding direction of the shell (1).
3. The multifunctional positioning device for spinal surgery according to claim 1, characterized in that said first stop member (43) is a first friction block mounted on the supporting rod (42) on the side close to the mounting ring (5);
the second limiting piece (44) is a second friction block, and the installation position of the second friction block is opposite to the installation position of the first friction block.
4. Multifunctional positioning device for spinal surgery according to claim 1, characterized in that said locking mechanism further comprises a second collar (47), said second collar (47) being mounted on the side of said connecting rod (3) remote from said piston (41) to prevent said mounting ring (5) from sliding off said connecting rod (3).
5. The multifunctional positioning device for spinal surgery according to claim 1, characterized in that the adjusting mechanism (6) comprises an adjusting block (61) and a first spring (62), wherein the middle outer ring of the connecting rod (3) is formed with threads, the adjusting block (61) is connected with the middle of the connecting rod (3) in a threaded manner, and the first spring (62) is sleeved on the connecting rod (3) and is located between the adjusting block (61) and the mounting ring (5).
6. Multifunctional positioning device for spinal surgery according to claim 1, characterized in that said housing (1) is made of transparent elastic material.
7. The multifunctional positioning device for spinal surgery according to claim 1, characterized in that an angle value is set on the ring mark line (71), and the angle value is equal to the acute angle value of the connecting line from any point of the ring mark line (71) to the central point of the upper puncture membrane (7) and the connecting line from any point to the central point of the lower puncture membrane (8).
8. The multifunctional positioning device for spinal surgery according to any one of claims 1 to 7, characterized in that it further comprises a clamping mechanism (9), said clamping mechanism (9) being arranged at the central point of said lower puncture membrane (8), said clamping mechanism (9) comprising a housing (91), a ball (92), a second spring (93), a ring (94);
third cavity (911) is seted up at the middle part of casing (91), spheroid (92) rotate to be connected in third cavity (911), vertical puncture hole (921) have been seted up on spheroid (92), ring (94) fixed mounting be in the outer lane top of spheroid (92), second spring (93) cover is established week side of spheroid (92) and be located ring (94) with between the bottom surface of third cavity (911).
9. The multifunctional positioning device for spinal surgery according to any one of claims 1 to 7, characterized in that the housing (1), the connecting rod (3), the mounting ring (5), the upper puncture membrane (7) and the lower puncture membrane (8) are all made of disposable medical non-toxic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210117891.3A CN114366335B (en) | 2022-02-08 | 2022-02-08 | Multifunctional positioning device for spinal surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210117891.3A CN114366335B (en) | 2022-02-08 | 2022-02-08 | Multifunctional positioning device for spinal surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114366335A CN114366335A (en) | 2022-04-19 |
| CN114366335B true CN114366335B (en) | 2023-04-11 |
Family
ID=81145160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210117891.3A Active CN114366335B (en) | 2022-02-08 | 2022-02-08 | Multifunctional positioning device for spinal surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114366335B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115721814A (en) * | 2022-12-09 | 2023-03-03 | 宁波市镇海区人民医院医疗集团 | Arteriovenous internal fistula puncture scale |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI481382B (en) * | 2012-08-31 | 2015-04-21 | Univ Nat Cheng Kung | Assistance device and guiding assembly for percutaneous surgery |
| ES2554562B1 (en) * | 2015-03-25 | 2016-09-30 | Germán Carlos REY PORTOLÉS | Sterotactic body guide to position surgical instruments precisely inside the body |
| CN108210092A (en) * | 2018-02-12 | 2018-06-29 | 史航 | A kind of novel accurate spinal puncture positioning device of three axis adjustable type |
| CN109602482A (en) * | 2018-12-24 | 2019-04-12 | 莆田学院附属医院（莆田市第二医院） | 3D printing foramen intervertebrale lens target puncture percutaneous surgical guide |
| CN110353780B (en) * | 2019-07-31 | 2020-07-03 | 河南省中医院（河南中医药大学第二附属医院） | Auxiliary positioning device for minimally invasive spine surgery |
| CN212972982U (en) * | 2020-04-29 | 2021-04-16 | 扬州大学附属医院 | Spinal puncture outfit for orthopedics department |
| CN112244958A (en) * | 2020-10-30 | 2021-01-22 | 贵阳市第四人民医院 | B-ultrasonic positioning puncture device |
| CN113367780A (en) * | 2021-06-21 | 2021-09-10 | 南通大学附属医院 | Spinal surgery positioning and guiding system with positioning and guiding functions |
| CN113456194A (en) * | 2021-08-25 | 2021-10-01 | 赤峰市医院 | Spinal surgery puncture locator |
| CN113712639A (en) * | 2021-09-07 | 2021-11-30 | 西安市第一医院 | Positioning puncture device for cardiology department operation |
-
2022
- 2022-02-08 CN CN202210117891.3A patent/CN114366335B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114366335A (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5618288A (en) | Stereotactic system for surgical procedures | |
| US4722336A (en) | Placement guide | |
| JP4053607B2 (en) | Trajectory guide for surgical instruments | |
| US5080662A (en) | Spinal stereotaxic device and method | |
| US3262452A (en) | Goniometer apparatus for brain surgery | |
| EP3072472B1 (en) | Stereotactic whole-body guide system for precisely positioning surgical instruments inside the body | |
| US20120203236A1 (en) | Surgical guide | |
| CN101564575A (en) | Fixation device | |
| WO2005065337A2 (en) | Apparatus and method for guiding a medical device in multiple planes | |
| JP2021512698A (en) | Neurosurgery Surgical System and Related Methods | |
| CN114366335B (en) | Multifunctional positioning device for spinal surgery | |
| CN107361826B (en) | A kind of intracerebral hematoma puncture guiding instrument of achievable precise positioning | |
| CN106264702B (en) | Vertebral column minimally invasive positioning system and its application in vertebral column minimally invasive positioning | |
| CN109009399A (en) | Fracture of neck of femur hollow nail accurate-location device | |
| CN107088092A (en) | Vertebroplasty body surface location navigator | |
| US20230225820A1 (en) | Devices for assisting neurosurgical interventions | |
| JP2023505323A (en) | A set containing a needle guidance device and multiple elements | |
| CN111658170A (en) | Multifunctional preoperative target point positioning device for intervertebral foramen | |
| CN206198056U (en) | A kind of spinal operation laser locating apparatus | |
| CN111419423A (en) | Positioning device for guiding puncture in CT image puncture | |
| CN213372427U (en) | Sacroiliac joint channel screw guider | |
| CN219397480U (en) | Puncture needle fixing device | |
| CN208808674U (en) | Head frame follow-up mechanism | |
| JP7133887B1 (en) | Thoracolumbar pedicle three-dimensional positioning device | |
| CN110279456B (en) | Puncture positioning guide device applied to intervertebral foramen mirror operation and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Hao Inventor after: Zhang Hongqi Inventor before: Zhang Hongqi Inventor before: Tang Hao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |