CN214157465U

CN214157465U - Follow-up type directional puncture fixing frame

Info

Publication number: CN214157465U
Application number: CN202022392641.XU
Authority: CN
Inventors: 鲍健; 鲍颖栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-09-10
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a directional puncture mount of trailing type, including the fixed plate, connect adjustable bracket on the fixed plate, install angle appearance and pjncture needle general purpose fixed chuck on the adjustable bracket, install image equipment scanning removal bed connecting device on the fixed plate, through connecting device, can adhere to the removal bed surface and the patient's simultaneous movement on CT bed. In addition, the puncture needle can not only display the needle inserting angles of the head and the foot of the patient in the left and right directions, but also fix the puncture instrument in the operation, and the puncture direction cannot be changed or toppled due to the gravity action of the instrument or the involuntary movement of the patient and other factors.

Description

Follow-up type directional puncture fixing frame

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to use in percutaneous puncture operation, directional puncture mount of trailing type.

Background

In recent years, with the development of medical industry towards precise medical treatment and fine treatment, obtaining pathological basis, gene detection result and immunity index by performing percutaneous needle biopsy under the guidance of imaging equipment (such as CT, MRI, and the like) to obtain tissues has become the most important and powerful basis for clinical treatment. And local treatments such as various ablations and radioactive particle implantation on the focus by a percutaneous puncture method are also widely applied in clinic. Therefore, the reliability and accuracy of the percutaneous puncture technique and the safety of the puncture instrument are important.

The existing puncture method is that after the advanced scanning, a skin puncture point is set on a scanning equipment computer according to the focus position, and a puncture path is designed; and measuring two angles, namely parallel to the scanning plane and vertical to the scanning plane by taking the horizontal plane or the vertical plane as a reference to determine the puncture direction. Namely, the puncture angles of the head and the foot, the left and the right sides are measured on a computer to determine the puncture direction; determining a puncture depth by measuring a puncture path length; the intended purpose of the precision puncture operation is achieved therefrom.

In practice, however, the puncture angle cannot accurately reflect various angles measured by a computer in advance to the operation of the operation, or only by psychological estimation, or by an additional device such as laser guidance. In addition, even if the puncture direction is correct, the puncture direction changes and even falls due to the gravity action of the apparatus, bed movement during scanning, involuntary movement of the patient, muscle traction and other factors in most clinical cases. Thereby increasing trauma to the patient and affecting the quality of the operation.

Disclosure of Invention

An object of the utility model is to provide a puncture instrument mount with two-way puncture angle shows function can attach to the removal bed surface and the patient's simultaneous movement of CT bed, does not influence required scanning in the art. And can not only accurately display the needle inserting angle, but also fix the puncture instrument in the puncture direction can not be changed due to the above factors.

According to the utility model provides a technical scheme: a follow-up directional puncture fixing frame comprises a fixing plate, wherein an adjustable bracket is connected to the fixing plate, and an angle gauge and a puncture needle universal fixing chuck are arranged on the adjustable bracket. And the bottom of the fixed plate is provided with a device for connecting the fixed plate with a scanning moving bed of the image equipment.

As a further improvement, the image equipment scanning moving bed connecting device is double faced adhesive tape or sucking disc or both use in mixture, connecting device is located the fixed plate bottom, the fixed plate is connected to the connecting device top surface, establish adjusting nut in the fixed plate through-hole, install fixed plate adjusting bolt in the screw among the adjusting nut.

As a further improvement of the utility model, the double faced adhesive tape or the sucking disc is established in the subsides of fixed plate adjusting bolt bottom.

As a further improvement, the angle gauge comprises an angle scale, a scale of the angle scale is arranged at the position of the angle scale, a middle part of the hinged pointer is arranged in the angle scale, and a heavy hammer is arranged on the lower part of the pointer.

As a further improvement of the present invention, the pointer may be a cross pointer.

As a further improvement, the fixed chuck of pjncture needle general purpose includes the needle tubing support, the relative rotation in needle tubing support both sides is equipped with needle tubing adjusting nut, slide through the guide rail among the needle tubing adjusting nut and be equipped with the regulation needle tubing post, needle tubing adjusting nut passes through the helicitic texture and promotes the removal of regulation needle tubing post, it is equipped with the needle tubing jack catch to adjust the needle tubing post tip.

As a further improvement of the utility model, the needle tube clamping jaw is in a semi-arc shape and is provided with a kiss complementary notch.

As a further improvement, the universal fixing chuck of the puncture needle comprises a needle tube frame, the two sides of the needle tube frame slide relatively to each other to form a push rod, the push rod is provided with a certain damping between the needle tube frame, and the end part of the push rod is provided with a needle tube clamping jaw.

As a further improvement, the needle tube rack outer side wall is provided with a thickening bulge.

The positive progress effect of this application lies in:

the utility model has simple structure, convenient operation and good stability; the movable bed surface attached to the CT bed and the patient can move synchronously without influencing the scanning required in the operation. The device can not only accurately reflect two direction angles obtained by computer measurement after scanning to the needle insertion angle in actual operation, but also fix the puncture instrument in the operation, so that the puncture instrument cannot change the puncture direction due to the gravity action of the instrument, the movement of a bed in scanning, the involuntary movement of a patient, the traction of muscles and other factors, the stability, the accuracy and the reliability of the puncture instrument are ensured, and the operation quality is ensured. And enables some unskilled doctors to quickly master the puncture technique.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic diagram of the positions of the rod, the angle gauge and the puncture needle universal fixing chuck in the third telescopic adjusting rod of the present invention.

Fig. 4 is a schematic view of the third universal fixing chuck for puncture needles and inner rods of the telescopic adjusting rods of the present invention.

Fig. 5 is an enlarged schematic view of the region C in fig. 4.

Fig. 6 is a front view of the universal fixing chuck for angle gauge and puncture needle of the present invention.

Fig. 7 is a sectional view of the universal fixing chuck for puncture needles of the present invention.

Fig. 8 is a sectional view of the universal fixing chuck for puncture needles of the present invention.

FIG. 9 is a sectional view of a universal fixing clip for a puncture needle according to a second embodiment of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In fig. 1-9, the device comprises a fixing plate 1, a first joint 2, a first telescopic adjusting rod 3, a first telescopic adjusting rod adjusting button 4, a first telescopic adjusting rod inner rod 5, a second joint 6, a second adjusting rod 7, a third joint 8, a third telescopic adjusting rod 9, a third telescopic adjusting rod adjusting button 10, a third telescopic adjusting rod inner rod 11, an angle gauge 12, a puncture needle universal fixing chuck 13, a double-sided adhesive tape 14 and the like.

As shown in fig. 1-2, the utility model relates to a follow-up directional puncture fixing frame.

In the first embodiment, the follow-up directional puncture fixing frame comprises a fixing plate 1, one end of the fixing plate 1 is connected with the lower end of a first telescopic adjusting rod 3 through a first joint 2, the upper end of the first telescopic adjusting rod 3 is connected with a first telescopic adjusting rod inner rod 5 through a first telescopic adjusting rod adjusting button 4, the upper end of the first telescopic adjusting rod inner rod 5 is connected with one end of a second adjusting rod 7 through a second joint 6, the other end of the second adjusting rod 7 is connected with one end of a third telescopic adjusting rod 9 through a third joint 8, the other end of the third telescopic adjusting rod 9 is connected with one end of a third telescopic adjusting rod 11 through a third telescopic adjusting rod adjusting button 10, an angle instrument 12 is installed on the third telescopic adjusting rod inner rod 11, and a puncture needle universal fixing chuck 13 is installed at the other end of the third telescopic adjusting rod 11.

The first joint 2 is a rotary joint, the first joint 2 comprises a spherical pipe 2-1, the spherical pipe 2-1 is located on the fixing plate 1, taper threads 2-2 are arranged on the periphery of the spherical pipe 2-1, a first locking nut 2-3 is sleeved on the taper threads 2-2, a spherical end 2-4 is installed in the spherical pipe 2-1, and the spherical end 2-4 is located at the lower end of the first telescopic adjusting rod 3. The spherical pipe 2-1 is provided with a locking deformation groove.

The working process of the first joint 2 is as follows: when the first locking nut 2-3 is loosened, the ball end 2-4 can rotate in the spherical pipe 2-1 to drive the first telescopic adjusting rod 3 to rotate in multiple directions. When the first telescopic adjusting rod 3 rotates in place, the first locking nut 2-3 is rotated, the first locking nut 2-3 enables the spherical pipe 2-1 to be slightly deformed, and the spherical end 2-4 is wrapped and fixed.

The first telescopic adjusting rod adjusting button 4 is rotationally telescopic and is provided with a rotary joint, the first telescopic adjusting rod adjusting button 4 comprises a second through hole 4-1 and a second locking nut 4-3, the second through hole 4-1 is positioned at the upper part of the first telescopic adjusting rod 3, the top of the second through hole 4-1 is in threaded connection with the second locking nut 4-3, a second thread 4-2 is arranged on the periphery of the lower part of the inner rod 5 of the first telescopic adjusting rod, and the inner rod 5 of the first telescopic adjusting rod is in threaded connection with the second locking nut 4-3 and then enters the second through hole 4-1. Deformation grooves are formed in the upper portion of the second through hole 4-1 and the periphery of the lower portion of the inner rod 5 of the first telescopic adjusting rod.

The operation of the first telescopic adjustment lever adjustment knob 4 is as follows: and when the second locking nut 4-3 is loosened, the inner rod 5 of the first telescopic adjusting rod can rotate and stretch in the second locking nut 4-3 and the second through hole 4-1. When the height and the rotation angle of the inner rod 5 of the first telescopic adjusting rod are in place, the second locking nut 4-3 is locked, the upper part of the second through hole 4-1 is retracted under the extrusion of the taper thread, and the inner rod 5 of the first telescopic adjusting rod is fixed.

The second joint 6 is a rotary joint and comprises a clamping plate 6-1 and a clamping through hole, the clamping plate 6-1 is positioned at the top of the inner rod 5 of the first telescopic adjusting rod, the other end of the clamping through hole is positioned at the end part of the second adjusting rod 7, a second locking bolt 6-2 is in threaded connection with the clamping plate 6-1, the threaded section of the third locking bolt 6-2 penetrates through the clamping through hole and then is connected with the clamping plate 6-1, and the head part of the second locking bolt 6-2 and the clamping plate 6-1 are positioned at two sides of the second adjusting rod 7.

The working process of the second joint 6 is as follows: the first telescopic adjusting rod adjusting button 4 is loosened, the second adjusting rod 7 rotates on a vertical plane by taking the third locking bolt 6-2 as an axis, when the third locking bolt 6-2 rotates to a position, the third locking bolt 6-2 is locked, and the head of the third locking bolt 6-2 and the clamping plate 6-1 clamp the second adjusting rod 7 from two sides to fix the second adjusting rod.

The third joint 8 has the same structure as the second joint 6. The third telescopic adjustment lever 9 can be rotated.

The third telescoping adjustment lever knob 10 is identical in construction to the first telescoping adjustment lever knob 4. The inner rod 11 of the third telescopic adjusting rod can be telescopically rotated.

As shown in fig. 3-5, an angle meter rotating hole 11-1 is formed in the inner rod 11 of the third telescopic adjusting rod, and a right-angle limiting groove 11-2 is formed in the side surface of the angle meter rotating hole. The lower part of the angle gauge 12 is an angle gauge rotating shaft, and a limiting boss is arranged on the periphery of the angle gauge rotating shaft. The rotating shaft of the angle gauge is positioned in the rotating hole 11-1 of the angle gauge, and the limiting boss is positioned in the right-angle limiting groove 11-2.

The limiting boss and the right-angle limiting groove 11-2 can enable the angle gauge 12 to be switched in a rotating mode in two perpendicular planes.

As shown in fig. 6, the lower part of the angle gauge 12 is an angle scale 12-1, on which a scale at the position of 0 degree is arranged. The middle part of a cross-shaped pointer 12-2 is hinged in the angle scale 12-1, a heavy hammer is arranged at the lower part of the pointer 12-2, the pointer at the lower part of the pointer always points to the ground under the action of gravity, and the other pointers respectively represent the directions vertical to and horizontal to the ground.

As shown in FIG. 9, the pointer 12-2 may be a cross pointer, with the vertical indicating the angle in the vertical direction and the horizontal indicating the angle in the horizontal direction.

As shown in figure 7, the puncture needle universal fixing chuck 13 comprises a needle tube frame 13-1, needle tube adjusting nuts 13-2 are arranged on two sides of the needle tube frame 13-1 in a relative rotating mode, adjusting needle tube studs 13-3 are arranged in the needle tube adjusting nuts 13-2 in a sliding mode through guide rails, the needle tube adjusting nuts 13-2 push adjusting needle tube columns 13-3 to move through threaded structures, and anti-rotating grooves are formed in the needle tube columns. The end part of the adjusting needle tube stud 13-3 is provided with a needle tube claw 13-4.

The positions of the clamping jaws 13-4 of the needle tube on the single side can be respectively controlled by adjusting the needle tube adjusting nuts 13-2 on the two sides, so that the opening degree of the clamping jaws 13-4 is realized; the locking degree of different needle tubes and the positions of the clamping claws 13-4 are adjusted to be fine adjusted front and back.

The claws 13-4 of the needle tube are semi-arc-shaped, and are provided with kissing notches, so that the claws 13-4 on two sides are overlapped to be suitable for puncture needles with different thicknesses, and the puncture needles are ensured to be positioned in the centers of the claws after being tightened, and the axes are consistent with the claws. And the position of the puncture needle can be finely adjusted in the head-foot side direction by adjusting the nut.

As shown in fig. 8, in the second embodiment, the universal fixing clip 13 for puncture needle comprises a needle tube frame 13-1, push rods 13-5 are arranged on two sides of the needle tube frame 13-1 in a relatively sliding manner, and a certain damping is arranged between the push rods 13-5 and the needle tube frame 13-1, so that the push rods can be pushed and stopped. The outer side wall of the corresponding needle tube frame 13-1 is provided with a thickening bulge 13-6 to ensure the direction and the damping coefficient of the push rod. The end part of the push rod 13-5 is provided with a needle tube claw 13-4.

The push rod 13-5 is provided with an anti-rotation groove.

The image equipment scanning moving bed connecting device is arranged on the fixing plate 1, the image equipment scanning moving bed connecting device adopts a plurality of double-faced adhesive tapes 14, the double-faced adhesive tapes 14 are positioned at the bottom of the fixing plate 1, the top surface of the double-faced adhesive tape 14 is connected with the fixing plate 1, and the bottom surface of the double-faced adhesive tape 14 is connected with the image equipment scanning moving bed. In order to adjust the relative level and stable state of the fixing plate 1, an adjusting nut 14-2 is arranged at a through hole in the fixing plate 1, a fixing plate adjusting bolt 14-1 is arranged in a screw hole in the adjusting nut 14-2, and the bottom of the fixing plate adjusting bolt 14-1 is stuck with a double faced adhesive tape to be in contact with and fixed on a bed surface. The height of the fixing plate 1 can be adjusted to keep a relatively horizontal and stable state by rotating the adjusting nut 14-2 to adjust the height of the fixing plate adjusting bolt 14-1.

The adjusting nut 14-2 is divided into an upper half and a lower half, is respectively positioned above and below the through hole of the fixing plate 1, and can be connected by bayonet insertion and the like. And can be integrally adjusted to rotate up and down.

In order to increase the stability and the supporting force of the device, a supporting mechanism 14 is arranged in the follow-up type directional puncture fixing frame, the supporting mechanism 14 comprises a sliding groove 14-1, the sliding groove 14-1 is vertically arranged in the second adjusting rod 7, the upper end of a support rod adjusting block 14-2 is arranged in the sliding groove 14-1 in a sliding mode, and a first support screw 14-3 of the support block is installed on the side face of the upper portion of the support rod adjusting block 14-2 in a threaded mode.

A strut adjusting groove 14-6 is formed in the strut adjusting block 14-2, a strut second bracing screw notch is formed in one side of the strut adjusting groove 14-6, a strut notch is formed in the other side of the strut adjusting groove 14-6, a strut 14-4 is arranged in the strut adjusting groove 14-6 in a sliding mode, the lower portion of the strut 14-4 is exposed out of the strut notch, the side face of the strut 14-4 is in threaded connection with a second bracing screw 14-5, and the middle portion of the second bracing screw 14-5 is located in the strut second bracing screw notch. The size of the brace 14-4 is greater than the size of the second set screw indentation of the brace.

The operation of the support mechanism 14 is as follows: the first supporting screw 14-3 of the supporting block is loosened, the upper end of the supporting rod adjusting block 14-2 can be adjusted in the sliding groove 14-1 in a sliding mode, the first supporting screw 14-3 is screwed after the adjusting is in place, and the bottom of the first supporting screw 14-3 of the supporting block abuts against the side face of the second adjusting rod 7, so that the second adjusting rod 7 and the supporting rod adjusting block 14-2 are fixed.

The second supporting screw 14-5 is loosened, the supporting foot 14-4 can slide and be adjusted in the supporting rod adjusting groove 14-6, the second supporting screw 14-5 is screwed after the adjustment is in place, the bottom of the second supporting screw 14-5 is propped against the bottom surface of the supporting rod adjusting groove 14-6, and the supporting foot 14-4 is propped against the notch side of the second supporting screw of the supporting block, so that the supporting foot 14-4 and the supporting rod adjusting block 14-2 are fixed.

In the second embodiment, the first telescopic adjusting rod adjusting button 4 is a rotary telescopic joint, the first telescopic adjusting rod adjusting button 4 includes a second joint through hole and a second locking screw, the second joint through hole is located at the upper part of the first telescopic adjusting rod 3, the side part of the second joint through hole is in threaded connection with the second locking screw, and the lower part of the inner rod 5 of the first telescopic adjusting rod is located in the second joint through hole. The mechanism is the same as that of the outer rod of the telescopic rod and the inner rod of the telescopic rod.

The working process of the utility model is as follows:

the needle angle of the head and the foot side and the needle angle of the left side and the right side of the patient are measured through pre-scanning, the skin needle inserting point is determined, cross marks are drawn, the fixing plate and the fixing plate adjusting bolt are adhered to the proper position of the edge part of the scanning moving bed, and the scanning bed surface is not a plane, so that the scanning bed surface is relatively stable and fixed through adjusting the adjusting nut. The adjustable bracket is further adjusted to enable the axis center line of the puncture needle universal fixing chuck to be aligned with the position of a needle feeding point, and the second adjusting rod is enabled to be parallel to the positioning optical mark line of the scanning equipment of the imaging equipment (such as CT, MRI and the like) through the rotation of the inner rod of the first telescopic adjusting rod. The support mechanism is positioned and adjusted to support the support foot at the appropriate location on the patient's body. After confirming the proper position, fixing each knob in the front. Then the angle meter is adjusted to be parallel to the second adjusting rod. The inclination of the third telescopic adjusting rod and the scanning plane in the parallel direction is adjusted to meet the display requirement angle of the angle meter by adjusting the third joint, so that the left and right puncture angles can be adjusted. And rotating the angle gauge to a position vertical to the second adjusting rod, rotating and stretching the inner rod of the third telescopic adjusting rod by adjusting the adjusting button of the third telescopic adjusting rod, and observing the positions of the angle gauge and the skin puncture point to enable the central line of the axis of the universal fixed chuck of the puncture needle to reach a proper angle and length so as to realize the adjustment of the puncture angle of the head and foot side and the fine adjustment of the left and right positions. Furthermore, the tightness of the universal fixing chuck of the puncture needle is adjusted by adjusting the adjusting nuts or the push rod buttons of the front and the rear side needle tubes. And the fine adjustment of the axis center line of the puncture needle universal fixing chuck at the side of the head and the foot of the patient can be completed through the consistent adjustment movement of the front and the rear needle tube adjusting nuts or the push rod buttons. Thereby completing the determination and fixation of the puncture direction and the position of the needle feeding point.

Claims

1. The utility model provides a directional puncture mount of trailing type which characterized in that: the fixing frame comprises a fixing plate (1), an adjustable bracket is connected to the fixing plate (1), and an angle instrument (12) and a puncture needle universal fixing chuck (13) are arranged on the adjustable bracket;

and a connecting device for a scanning moving bed of the image equipment is arranged at the bottom of the fixing plate (1).

2. The follow-up directional puncture mount according to claim 1, wherein: the image equipment scanning moving bed connecting device is a double-sided adhesive tape (14) or a sucker or a combination of the double-sided adhesive tape and the sucker, the connecting device is located at the bottom of the fixing plate (1), the top surface of the connecting device is connected with the fixing plate (1), an adjusting nut (14-2) is arranged in a through hole of the fixing plate (1), and a fixing plate adjusting bolt (14-1) is arranged in a screw hole in the adjusting nut (14-2).

3. The follow-up directional puncture mount according to claim 2, wherein: the bottom of the fixing plate adjusting bolt (14-1) is attached with a double-sided adhesive tape or a sucker.

4. The follow-up directional puncture mount according to claim 1, wherein: the angle gauge (12) comprises an angle scale (12-1), a scale at the position of 0 degree is arranged on the angle scale, the middle of the pointer (12-2) is hinged in the angle scale (12-1), and a heavy hammer is arranged at the lower part of the pointer (12-2).

5. The follow-up directional puncture mount according to claim 4, wherein: the pointer (12-2) may be a cross pointer.

6. The follow-up directional puncture mount according to claim 1, wherein: the fixed chuck (13) of pjncture needle general purpose includes needle tubing support (13-1), needle tubing support (13-1) both sides are rotated relatively and are equipped with needle tubing adjusting nut (13-2), slide through the guide rail in needle tubing adjusting nut (13-2) and be equipped with regulation needle tubing post (13-3), needle tubing adjusting nut (13-2) promote through helicitic texture and adjust needle tubing post (13-3) and remove, it is equipped with needle tubing jack catch (13-4) to adjust needle tubing post (13-3) tip.

7. The follow-up directional puncture mount according to claim 6, wherein: the needle tube claw (13-4) is in a semi-arc shape, and is provided with a kiss complementary notch.

8. The follow-up directional puncture mount according to claim 1, wherein: the puncture needle universal fixing chuck (13) comprises a needle tube frame (13-1), push rods (13-5) are arranged on two sides of the needle tube frame (13-1) in a relative sliding mode, a certain damping is arranged between the push rods (13-5) and the needle tube frame (13-1), and needle tube clamping claws (13-4) are arranged at the end portions of the push rods (13-5).

9. The follow-up directional puncture mount according to claim 8, wherein: the outer side wall of the needle tube rack (13-1) is provided with a thickening bulge (13-6).