CN210204876U - Three-dimensional positioning device for percutaneous accurate targeted puncture of spine - Google Patents
Three-dimensional positioning device for percutaneous accurate targeted puncture of spine Download PDFInfo
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- CN210204876U CN210204876U CN201920678923.0U CN201920678923U CN210204876U CN 210204876 U CN210204876 U CN 210204876U CN 201920678923 U CN201920678923 U CN 201920678923U CN 210204876 U CN210204876 U CN 210204876U
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Abstract
The utility model discloses a three-dimensional positioner that is used for accurate target puncture of backbone percutaneous belongs to the medical instrument field. Including first locating frame and with the perpendicular second locating frame of being connected of first locating frame, be equipped with the reference column on the first locating frame, be equipped with multiunit and first locating frame parallel arrangement's orientation pole on the reference column, be equipped with first scale on the orientation pole, be equipped with on the second locating frame with second locating frame sliding connection and rotatable puncture splint, be equipped with the crack in the puncture splint, be equipped with on the second locating frame with first locating frame parallel arrangement's second locating lever, be equipped with on the puncture splint with puncture splint sliding connection's angle group, the one side that lies in angle group on the puncture splint be equipped with first locating frame vertically second scale, the utility model discloses a quick accurate pjncture needle puncture direction and puncture angle of confirming, shortened operating time, avoided doctor and patient's both sides to receive bigger radiation exposure, improved the success rate of accurate target puncture operation.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to a three-dimensional positioner that is used for accurate target puncture of backbone percutaneous.
Background
In the current spinal surgery formula, traditional percutaneous puncture method process is complicated, and the precision is poor, need to fix a position with the help of radiation equipment many times in the operation, no matter all causes a large amount of nuclear radiation injuries to operating doctor or to the patient. Particularly, in recent years, with the gradual popularization of the spinal minimally invasive surgery concept and the improvement of the acceptance of the majority of doctors and patients on the minimally invasive surgery, the application of the accurate targeted puncture in the current spinal surgery is increasingly wide. For percutaneous minimally invasive spinal endoscopic surgery which is popular at present, an accurate puncture point and a correct puncture direction are the key points for successful surgery, the surgery safety can be effectively improved, the surgery time can be effectively shortened, nuclear radiation exposure of medical staff and patients during surgery can be reduced, and the incidence rate of postoperative complications can be obviously reduced. Most of the traditional percutaneous puncture positioning operations are performed by referring to the imaging science and depending on the experience of an operator, time and labor are consumed, X-ray fluoroscopy is needed for multiple times of operations, and the radiation exposure of the doctor and the patient is large. How to quickly and accurately find a puncture point and determine a puncture direction and realize accurate targeted puncture positioning operation is a technical problem which is urgently needed to be solved by the existing spine minimally invasive surgery.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three-dimensional positioner that is used for accurate target puncture of backbone percutaneous to puncture point and puncture direction are difficult to the definite problem in solving current spinal surgery.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a three-dimensional positioning device for percutaneous accurate targeted puncture of a spine comprises a first positioning frame and a second positioning frame vertically connected with the first positioning frame, wherein a positioning column is arranged on the first positioning frame, a plurality of groups of positioning rods arranged in parallel with the first positioning frame are arranged on the positioning column, first scales are arranged on the positioning rods, one end of each positioning rod is sleeved outside the positioning column, the other end of each positioning rod penetrates through the first positioning frame, a first positioning rod arranged in parallel with the second positioning frame is arranged on the first positioning frame, and two ends of each first positioning rod are arranged on the first positioning frame and are in sliding connection with the first positioning frame; the second positioning frame is provided with a second positioning frame sliding connection and a rotatable puncturing clamp plate, a crack is arranged in the puncturing clamp plate, the second positioning frame is provided with a second positioning rod arranged in parallel with the first positioning frame, two ends of the second positioning rod are arranged on the second positioning frame and are in sliding connection with the second positioning frame, the puncturing clamp plate is provided with an angle group connected with the puncturing clamp plate in a sliding manner, and one side of the puncturing clamp plate, which is positioned on the angle group, is provided with a second scale perpendicular to the first positioning frame.
The utility model discloses well doctor places first locating frame at patient's back and utilizes to glue to paste fixedly, refers to the body surface projection reference of perspective adjustment in the art with the reference column place in puncture target point body surface location level and adjustment orientation pole to ideal puncture direction, and the puncture splint on the slip second locating frame are to orientation pole department to rotatory puncture splint make crack and orientation pole coincidence, realize the preliminary location to puncture needle puncture direction from this. Then the first positioning rod is slid to a position right above the spinal puncture point, so that the relative horizontal distance between the crack puncture point and the spinal puncture target point can be known from the first scale on the positioning rod, the second positioning rod is slid to a position where the second positioning rod and the spinal puncture point are located on the same horizontal plane, so that the relative vertical distance between the crack puncture point and the spinal puncture target point can be known from the second scale on the puncture splint, and the absolute distance between the crack puncture point and the spinal puncture point and the puncture angle of the puncture needle can be known through an inverse trigonometric function
Preferably, the angle group comprises a sliding groove which is arranged on the puncture splint and is vertical to the first positioning frame and an angle scale which is arranged and is in sliding connection with the sliding groove.
The utility model discloses a set up on the puncture splint and can follow the gliding angle scale of puncture splint, make the angle scale can move the position that corresponds with the puncture on the puncture splint to provide accurate angle reference for the puncture angle of pjncture needle.
Preferably, a first fixing screw rod which penetrates through the angle scale and is connected with the sliding chute is arranged on the angle scale.
The utility model discloses a set up the first set screw who is connected on the angle scale and with the spout, the doctor of being convenient for fixes the angle scale on puncture splint after removing the corresponding position with the angle scale.
Preferably, the first positioning frame is hinged with the second positioning frame.
The utility model discloses a with first locating frame and the articulated setting of second locating frame, make the utility model discloses can fold at idle in-process, be convenient for transport and deposit, practice thrift occupation space.
Preferably, a connecting sleeve is arranged between the two ends of the puncture clamping plate and the second positioning frame, one end of the connecting sleeve is sleeved outside the second positioning frame, and the other end of the connecting sleeve is rotatably connected with the puncture clamping plate.
Preferably, the connecting sleeve is provided with a second fixing screw rod which passes through the connecting sleeve and is connected with the puncture splint.
The utility model discloses a second clamping screw who sets up on the connecting sleeve and be connected with the spout, the doctor of being convenient for will puncture splint and fix the puncture splint on the connecting sleeve after rotating to corresponding position.
Preferably, the angle scale and the puncture splint are made of transparent plastics.
The utility model discloses an adopt the material to be transparent plastic's angle scale and puncture splint, the doctor of being convenient for observes the position of pjncture needle at the puncture in-process.
Preferably, the first positioning rod is provided with a third fixing screw which passes through the first positioning rod and is connected with the first positioning frame.
The utility model discloses a first locating lever that sets up on first locating lever and be connected with first locating frame, the doctor of being convenient for fixes first locating lever on first locating frame.
Preferably, the second positioning rod is provided with a fourth fixing screw rod which passes through the second positioning rod and is connected with the second positioning frame.
The utility model discloses a second locating lever that sets up on the second locating lever and be connected with the second locating frame, the doctor of being convenient for fixes the second locating lever on the second locating frame.
The utility model discloses following beneficial effect has:
the utility model discloses a rotatory puncture point of directional rod directly over, puncture splint to directional rod department on the slip second locating frame, and rotatory puncture splint make crack and directional rod coincidence, realized the preliminary location of pjncture needle puncture direction from this, and confirm the relative horizontal distance and the relative perpendicular distance of crack puncture point and vertebra puncture point respectively through first locating lever and second locating lever, utilize inverse trigonometric function can learn the absolute distance between crack puncture point and the vertebra puncture point and the puncture angle of pjncture needle, the utility model discloses a quick accurate pjncture needle puncture direction and puncture angle of confirming have shortened operation time, have avoided the doctor and patient both sides to receive great radiation exposure, have improved the success rate of puncture operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a right side view of the present invention;
fig. 6 is a partially enlarged view of C in fig. 5.
In the figure: 1-a first positioning frame; 2-a second positioning frame; 3-a positioning column; 4-an orientation bar; 41-first scale; 11-a first positioning rod; 5-puncture splint; 51-a crack; 21-a second positioning rod; 6-angle group; 7-second scale; 61-a chute; 62-angle scale; 8-a first fixed screw; 9-connecting sleeves; 91-a second set screw; 111-a third set screw; 211-fourth set screw.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1 to 6, the utility model comprises a first positioning frame 1 which is placed on the back of a patient and used for positioning the puncture needle and a second positioning frame 2 which is vertically connected with the first positioning frame 1, wherein the second positioning frame 2 is used for supporting the first positioning frame 1 and matching the first positioning frame 1 to position the puncture needle. The first positioning frame 1 and the second positioning frame 2 are both square. First locating frame 1 is articulated with second locating frame 2, through articulating first locating frame 1 and second locating frame 2 and set up the messenger the utility model discloses can fold at idle in-process, be convenient for transport and deposit, practice thrift occupation space.
Referring to fig. 3 and 4, a positioning column 3 vertically connected to the first positioning frame 1 is disposed on one side of the first positioning frame 1 away from the second positioning frame 2, and the positioning column 3 is a hollow iron column. Five groups of orientation rods 4 arranged in parallel with the first positioning frame 1 are arranged on the positioning columns 3, and the orientation rods 4 are cylindrical. One end of the orientation rod 4 is sleeved on the outer side of the positioning column 3 and can rotate along the positioning column 3, and the other end of the orientation rod 4 passes through the first positioning frame 1 and is located above the second positioning frame 2. The orientation rod 4 is provided with a first scale 41 for determining the relative horizontal distance between the puncture point of the slit 51 and the puncture point of the vertebra. Still be equipped with the first locating lever 11 with second locating frame 2 parallel arrangement on the first locating frame 1, the both ends setting of first locating lever 11 are on first locating frame 1 and with first locating frame 1 sliding connection, make first locating lever 11 can slide along first locating frame 1. The first positioning rod 11 is provided with a third fixing screw 111 passing through the first positioning rod 11 and connected with the first positioning frame 1. The first positioning rod 11 arranged on the first positioning rod 11 and connected with the first positioning frame 1 is convenient for a doctor to fix the first positioning rod 11 on the first positioning frame 1. The doctor places the first positioning frame 1 on the back of the patient and fixes the positioning frame by using an adhesive tape, looks through the spine of the patient from the upper part of the body of the patient to obtain the relative overlooking position of the positioning column 3 and the puncture point, rotates the positioning rod 4 closest to the puncture point on the positioning column 3 to the position right above the puncture point, and slides the first positioning rod 11 to the position right above the puncture point of the spine, so that the relative horizontal distance between the puncture point of the crack 51 and the puncture point of the spine can be known from the first scale 41 on the positioning rod 4.
Further referring to fig. 1 and 2, a puncture splint 5 slidably connected to the second positioning frame 2 and rotatable is disposed on the second positioning frame 2, and the puncture splint 5 is perpendicular to the first positioning frame 1 and slidable along the second positioning frame 2. The puncture splint 5 is made of transparent plastic, and the position of the puncture needle in the puncture process can be conveniently observed by a doctor through the puncture splint 5 made of transparent plastic. A connecting sleeve 9 is arranged between the two ends of the puncture clamping plate 5 and the second positioning frame 2, one end of the connecting sleeve 9 is sleeved outside the second positioning frame 2, and the other end of the connecting sleeve 9 is rotatably connected with the puncture clamping plate 5. The connecting sleeve 9 is provided with a second fixing screw 91 which passes through the connecting sleeve 9 and is connected with the puncture splint 5, and the second fixing screw 91 is convenient for a doctor to fix the puncture splint 5 on the connecting sleeve 9 after rotating the puncture splint 5 to a corresponding position. The puncture splint 5 is provided with a slit 51 for positioning the puncture needle.
Further referring to fig. 1 to 4, a second positioning rod 21 arranged in parallel with the first positioning frame 1 is arranged on the second positioning frame 2, two ends of the second positioning rod 21 are arranged on the second positioning frame 2 and are slidably connected with the second positioning frame 2, a fourth fixing screw 211 penetrating through the second positioning rod 21 and connected with the second positioning frame 2 is arranged on the second positioning rod 21, and a doctor can fix the second positioning rod 21 on the second positioning frame 2 conveniently through the second positioning rod 21 arranged on the second positioning rod 21 and connected with the second positioning frame 2. A second scale 7 vertical to the first positioning frame 1 is arranged on one side of the puncture splint 5 positioned on the angle group 6. After a doctor places the first positioning frame 1 on the back of a patient and supports the first positioning frame 1 by using the supporting rod, the spine of the patient is seen through from the upper side of the body of the patient, the relative overlooking position of the positioning column 3 and a puncture point is obtained, the positioning rod closer to the puncture point on the positioning column 3 is rotated right above the puncture point, the puncture clamping plate 5 on the second positioning frame 2 is slid to the position of the orientation rod 4, and the puncture clamping plate 5 is rotated to enable the crack 51 to coincide with the orientation rod 4, so that the primary positioning of the puncture direction of the puncture needle is realized. Then the second positioning rod 21 is slid to the position where the second positioning rod and the spinal puncture point are located on the same horizontal plane, so that the relative vertical distance between the puncture point of the slit 51 and the spinal puncture point can be obtained from the second scale 7 on the puncture splint 5, and the absolute distance between the puncture point of the slit 51 and the spinal puncture point and the puncture angle of the puncture needle can be obtained through an inverse trigonometric function and the relative horizontal distance and the relative vertical distance between the puncture point of the slit 51 and the spinal puncture point.
With further reference to fig. 5 and 6, the puncture splint 5 is provided with an angle set 6 slidably connected to the puncture splint 5, the angle set 6 includes a sliding slot 61 provided on the puncture splint 5 and perpendicular to the first positioning frame 1 and an angle scale 62 provided slidably connected to the sliding slot 61, and the angle scale 62 is movable to a position corresponding to the puncture point on the puncture splint 5 by the angle scale 62 provided on the puncture splint 5 and slidable along the puncture splint 5, and provides an accurate angle reference for the puncture angle of the puncture needle. The angle plate 62 is provided with a first fixing screw 8 which passes through the angle plate 62 and is connected with the sliding groove 61. The utility model discloses a set up the first set screw 8 that is connected on angle scale 62 and with spout 61, the doctor of being convenient for fixes angle scale 62 on puncture splint 5 after removing corresponding position with angle scale 62. The materials used for angle scale 62 are all clear plastics. The use of the angle scale 62 of clear plastic facilitates the surgeon in viewing the position of the needle during the puncture procedure.
The utility model discloses a rotatory puncture point directly over with directional rod 4, puncture splint 5 to directional rod 4 department on the slip second locating frame 2, and rotatory puncture splint 5 makes crack 51 and directional rod 4 coincidence, has realized the preliminary positioning of pjncture needle puncture direction from this, and confirm the relative horizontal distance and the relative perpendicular distance of crack 51 puncture point and vertebra puncture point respectively through first locating lever 11 and second locating lever 21, utilize the inverse trigonometric function can learn the absolute distance between crack 51 puncture point and the vertebra puncture point and the puncture angle of pjncture needle, the utility model discloses a confirm pjncture needle puncture direction and puncture angle fast accurately, shortened operation time, avoided the doctor and patient both sides to receive great radiation exposure, improved the success rate of puncture operation.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A three-dimensional positioning device for percutaneous precise targeted puncture of a spinal column is characterized by comprising a first positioning frame (1) and a second positioning frame (2) vertically connected with the first positioning frame (1), a positioning column (3) is arranged on the first positioning frame (1), a plurality of groups of positioning rods (4) which are arranged in parallel with the first positioning frame (1) are arranged on the positioning column (3), a first scale (41) is arranged on the directional rod (4), one end of the directional rod (4) is sleeved on the outer side of the positioning column (3), the other end of the orientation rod (4) passes through the first positioning frame (1), the first positioning frame (1) is provided with a first positioning rod (11) which is arranged in parallel with the second positioning frame (2), two ends of the first positioning rod (11) are arranged on the first positioning frame (1) and are in sliding connection with the first positioning frame (1);
be equipped with on second locating frame (2) with second locating frame (2) sliding connection and rotatable puncture splint (5), be equipped with crack (51) in puncture splint (5), be equipped with on second locating frame (2) second locating lever (21) with first locating frame (1) parallel arrangement, the both ends setting of second locating lever (21) on second locating frame (2) and with second locating frame (2) sliding connection, be equipped with on puncture splint (5) with puncture splint (5) sliding connection's angle group (6), the one side that lies in angle group (6) on puncture splint (5) is equipped with and first locating frame (1) vertically second scale (7).
2. The three-dimensional positioning device for percutaneous precise targeted spinal puncture according to claim 1, wherein the angle set (6) comprises a sliding groove (61) arranged on the puncture splint (5) and perpendicular to the first positioning frame (1), and an angle plate (62) arranged in sliding connection with the sliding groove (61).
3. The three-dimensional positioning device for percutaneous precise targeted spinal puncture according to claim 2, wherein the angle scale (62) is provided with a first fixing screw (8) which passes through the angle scale (62) and is connected with the sliding chute (61).
4. The three-dimensional positioning device for percutaneous precise targeted spinal puncture according to claim 1, wherein the first positioning frame (1) is hinged with the second positioning frame (2).
5. The three-dimensional positioning device for percutaneous accurate targeted spinal puncture according to claim 1, wherein a connecting sleeve (9) is arranged between two ends of the puncture splint (5) and the second positioning frame (2), one end of the connecting sleeve (9) is sleeved outside the second positioning frame (2), and the other end of the connecting sleeve (9) is rotatably connected with the puncture splint (5).
6. The three-dimensional positioning device for percutaneous precise targeted spinal puncture according to claim 5, wherein the connecting sleeve (9) is provided with a second fixing screw (91) which passes through the connecting sleeve (9) and is connected with the puncture splint (5).
7. The three-dimensional positioning device for spinal percutaneous precise targeted puncture according to claim 2, characterized in that the materials of the angle scale (62) and the puncture splint (5) are both transparent plastics.
8. The three-dimensional positioning device for percutaneous precise targeted spinal puncture according to claim 1, wherein a third fixing screw (111) passing through the first positioning rod (11) and connected with the first positioning frame (1) is arranged on the first positioning rod (11).
9. The three-dimensional positioning device for percutaneous precise targeted spinal puncture according to claim 1, wherein the second positioning rod (21) is provided with a fourth fixing screw (211) which passes through the second positioning rod (21) and is connected with the second positioning frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920678923.0U CN210204876U (en) | 2019-05-13 | 2019-05-13 | Three-dimensional positioning device for percutaneous accurate targeted puncture of spine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920678923.0U CN210204876U (en) | 2019-05-13 | 2019-05-13 | Three-dimensional positioning device for percutaneous accurate targeted puncture of spine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210204876U true CN210204876U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920678923.0U Active CN210204876U (en) | 2019-05-13 | 2019-05-13 | Three-dimensional positioning device for percutaneous accurate targeted puncture of spine |
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| Country | Link |
|---|---|
| CN (1) | CN210204876U (en) |
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- 2019-05-13 CN CN201920678923.0U patent/CN210204876U/en active Active
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