CN112315552B - In-plane free angle puncture guiding device applicable to various brands of probes - Google Patents
In-plane free angle puncture guiding device applicable to various brands of probes Download PDFInfo
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- CN112315552B CN112315552B CN202010995543.7A CN202010995543A CN112315552B CN 112315552 B CN112315552 B CN 112315552B CN 202010995543 A CN202010995543 A CN 202010995543A CN 112315552 B CN112315552 B CN 112315552B
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- 239000000523 sample Substances 0.000 title claims abstract description 87
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a plane internal free angle puncture guiding device for various brands of probes, which belongs to the technical field of probe auxiliary medical appliances and comprises: a securing device comprising a transverse shaft; one end of the longitudinal fixing arm is arranged at the first end of the transverse shaft, and the other end of the longitudinal fixing arm is provided with a first presser foot; one end of the longitudinal movable arm is arranged at the second end side of the transverse shaft, and the other end of the longitudinal movable arm is provided with a second presser foot; the retaining device is welded with the longitudinal movable arm into a whole; the puncture plane device is arranged between the longitudinal fixed arm and the longitudinal movable arm on the transverse shaft and comprises a first side surface; installing a round hole; a second side; the puncture plane is vertically arranged on the first side face, the axis of the mounting round hole and penetrates through the second side face. The backstop device has the performance of only advancing and not retreating, and can ensure that the fixing is exact; the puncture plane device can move and rotate along the transverse axis, so that the puncture plane device has strong universality, can be used for the free angle puncture in the plane of various brands of probes with different thicknesses and different expansion angles, and has flexible disassembly and convenient use.
Description
Technical Field
The invention belongs to the technical field of probe-assisted medical instruments, and particularly relates to an in-plane free angle puncture guiding device applicable to probes of various brands.
Background
The ultrasonic guided puncture is widely applied to various clinical subjects, and is divided into in-plane puncture and out-of-plane puncture, an in-plane puncture needle channel can be displayed in an acoustic plane of ultrasound, the accuracy is high, and the method becomes a preferred method for a clinician, but bare-handed in-plane puncture extremely depends on practical experience of a puncture doctor, because the bias of a puncture angle easily causes damage to important structures beyond a puncture target, such as larger arteries, and the like, the puncture accuracy under the guidance of an in-plane ultrasonic guiding device is greatly improved, and the learning curve of the puncture under the guidance of ultrasound is shortened.
The in-plane ultrasonic puncture guiding device is divided into a puncture guiding device with a fixed angle and a puncture guiding device with a free angle. The ultrasonic puncture guiding device with a fixed angle is fixed in puncture angle and inconvenient to use; the puncture guiding device with the free angle guides the puncture needle in the acoustic plane, so that the needle path of the puncture needle can be clearly displayed all the time in the whole needle inserting process, and the puncture angle can be adjusted in the acoustic plane within the range of 0-90 degrees, thereby improving the puncture accuracy, reducing the auxiliary damage of puncture and improving the puncture flexibility.
The number of existing puncture guiding devices for free angles in a plane is small, and the expansion angles (the included angles between the symmetrical planes of the two short axis sides of the probe and the short axis side of the probe, namely the angles of expansion of the short axis side of the probe to the outside of the central axis of the probe, which are defined as expansion angles in the text) are also different due to the fact that probes of different brands are different in general thickness. The fixed structure of the puncture guiding device matched with the fixed brand probe has probe brand specificity, other brand probes cannot be used commonly, the cost is high, and the clinical use of the in-plane free angle puncture guiding device is limited.
Disclosure of Invention
The invention provides a plane internal free angle puncture guiding device which is definite in fixation, high in puncture precision, flexible and convenient to detach, applicable to probes of different thicknesses and different expansion angles and capable of being used for various brands.
In order to achieve the above object, the present invention provides an in-plane free angle puncture guiding device usable for a plurality of brands of probes, the puncture guiding device comprising:
A fixation device comprising a transverse shaft including a first end and a second end along a length thereof; one end of the longitudinal fixing arm is vertically and fixedly arranged at the first end of the transverse shaft, and the other end of the longitudinal fixing arm is provided with a first presser foot facing the direction of the second end of the transverse shaft; the longitudinal movable arm is vertically and fixedly arranged at the second end side of the transverse shaft, one end of the longitudinal movable arm is movable, the other end of the longitudinal movable arm is provided with a second presser foot, and the second presser foot is identical to the first presser foot and is oppositely arranged;
The puncture plane device, mobilizable fixed set up on the horizontal epaxial vertical fixed arm with between the vertical movable arm, puncture plane device includes: a first side surface along the thickness direction adopts a planar structure; the mounting round hole is arranged on the first side surface side of the puncture plane device and penetrates through the puncture plane device along the thickness direction of the mounting round hole; the second side surface is an arc-shaped structure which is arranged opposite to the first side surface and protrudes away from the plane structure along the thickness direction; the puncture plane is vertically arranged on the first side surface and the axis of the mounting round hole and penetrates through the second side surface, and the width of the puncture plane is adapted to the diameter of the puncture needle;
The first presser foot and the second presser foot of the fixing device are respectively pressed on the two long-axis side surfaces of the probe, and when the first side surface of the puncture plane device is abutted to the short-axis side surface of the probe, the puncture needle guided by the puncture plane can be positioned in the acoustic plane of the probe by fixing the puncture plane device.
Further, the transverse shaft comprises a first section, the first section is located at the first end side of the transverse shaft, and the mounting round hole is a light hole with a cross section shape matched with that of the first section.
Further, the transverse shaft comprises a second section, the second section is positioned at the second end side of the transverse shaft, and the second section adopts a double-sided rack structure;
the longitudinal movable arm comprises a backstop device and a movable arm, and the backstop device comprises:
The casing, the casing adopts the cuboid structure, is equipped with an open end, the casing includes: the shell is arranged on the second section in a penetrating way through the two transverse shaft mounting holes; the first side wall side of the end plate is provided with a limit hole;
the clamping plate, one end of which extends out of the open end, the other end of which extends out of the limit hole, is provided with a clamping hole in the middle part, the clamping plate is arranged on the second section of the transverse shaft in a penetrating way through the clamping hole, and the height of the clamping hole is larger than the distance between two rack surfaces of the second section;
The torsion pressure spring is arranged on the second section in a penetrating mode, one end of the torsion pressure spring is fixed on the inner surface of the first side wall, and the other end of the torsion pressure spring abuts against the clamping plate.
Further, a limiting groove is formed in the open end side of the inner surface of the first side wall, and one end of the torsion pressure spring is clamped in the limiting groove.
Further, the movable arm is vertically arranged on the second side wall of the shell.
Further, the second end of the transverse shaft is provided with a threaded hole along the axial direction of the transverse shaft, a fastener is screwed in the threaded hole, and the head of the fastener can prevent the backstop device from being separated from the second end of the transverse shaft.
Further, the puncture plane device further comprises:
The locking surface is arranged adjacent to the first side surface and close to the mounting round hole along the thickness direction of the puncture plane device;
A locking bolt installation round hole penetrates through the locking surface of the puncture plane device to the side wall of the installation round hole, and the axis of the locking bolt installation round hole is coplanar with the symmetrical surface in the width direction of the puncture plane;
the locking bolt is screwed in the locking bolt mounting round hole.
Further, a centering mark is arranged at the center of the head of the locking bolt.
Further, the first presser foot includes:
the pressing surface of the pressing plate is provided with anti-skid patterns;
The slide way is arranged on one surface of the pressing plate opposite to the pressing surface, one end of the slide way is an open end, and the other end of the slide way is provided with a sealing plate;
The sliding strips are respectively arranged on two sides of the other end of the longitudinal fixing arm and two sides of the other end of the longitudinal movable arm, and the longitudinal fixing arm is in sliding fit with the sliding way through the sliding strips and is in sliding installation in the sliding way.
Further, the first presser foot and the second presser foot are both made of silica gel or rubber.
According to the invention, the longitudinal movable arm of the puncture plane device can move along the transverse axis and be fixed at a required position, so that the first presser foot and the second presser foot can be clamped on the long-axis side surfaces of the multi-brand ultrasonic probes with different thicknesses; the puncture plane device can axially move and rotate along the transverse shaft, so that the device is suitable for multiple brands of probes with different expansion angles, when the puncture plane device is fixed at a proper position, a puncture path of a puncture needle can be clearly displayed in an acoustic plane of the probe when the puncture needle punctures along the puncture plane of the puncture plane device, and the puncture needle can adjust the angle in a range of 0 to 90 degrees in the puncture plane as required, so that the puncture needle can adjust the path at any time.
Drawings
FIG. 1 is a schematic view of a puncture guiding device according to an embodiment of the present invention mounted on a probe;
FIG. 2 is a top view of a puncture guiding device according to an embodiment of the present invention mounted to a probe;
FIG. 3 is a schematic view of a puncture guiding device according to an embodiment of the present invention;
FIG. 4 is a schematic view of the middle housing of FIG. 3;
FIG. 5 is a schematic view of the middle card of FIG. 3;
fig. 6 is a schematic structural view of the middle torsion spring of fig. 3;
FIG. 7 is a schematic view of the structure of the first presser foot of FIG. 3;
Fig. 8 is an enlarged exploded view of the first presser foot and longitudinal securing arm of fig. 3.
Wherein: 1. a fixing device; 2. a transverse axis; 21. a first section; 22. a second section; 3. a longitudinal fixing arm; 31. a first presser foot; 311. a pressing plate; 312. a slideway; 313. a sealing plate; 314. a slide bar; 4. a longitudinally movable arm; 41. a second presser foot; 42. a movable arm; 5. a puncture plane device; 51. a first side; 52. installing a round hole; 53. a second side; 54. a puncture plane; 6. a stopping device; 61. a housing; 62. a first sidewall; 63. a second sidewall; 64. a third sidewall; 65. a fourth sidewall; 66. a transverse shaft mounting hole; 67. an end plate; 68. a limiting hole; 69. a clamping plate; 610. a clamping hole; 611. a torsion pressure spring; 612. a limit groove; 7. a head; 8. a locking surface; 81. a locking bolt; 82. centering marks; 9. a probe; 92. A probe face; 93. a minor axis side; 94. the probe centers the line.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples:
Embodiments of the present invention provide an in-plane free angle piercing guide that can be used with a variety of brands of probes, as shown in figures 1-3, that includes a fixture 1 and a piercing plane device 5.
The fixation device 1 comprises a transverse shaft 2, a longitudinal fixation arm 3 and a longitudinal movable arm 4. The transverse shaft 2 comprises a first end and a second end along its length; one end of the longitudinal fixing arm 3 is vertically and fixedly arranged at the first end of the transverse shaft, and the other end of the longitudinal fixing arm 3 is provided with a first presser foot 31 facing the direction of the second end of the transverse shaft; one end of the longitudinal movable arm 4 is movably and vertically fixed on the second end side of the transverse shaft, and a second presser foot 41 is arranged at the other end of the longitudinal movable arm 4, and the second presser foot 41 is the same as and opposite to the first presser foot 31.
The puncture plane device 5 is movably and fixedly arranged between the longitudinal fixing arm 3 and the longitudinal movable arm 4 on the transverse shaft 2, and the puncture plane device 5 comprises a first side surface 51, a mounting round hole 52 and a second side surface 53. The first side surface 51 is arranged along the thickness direction of the puncture plane device 5 and adopts a plane structure; the mounting round hole 52 is arranged on the first side surface 51 side of the puncture plane device 5 and penetrates through the puncture plane device 5 along the thickness direction thereof; the second side surface 53 is arranged along the thickness direction of the puncture plane device 5, and is an arc-shaped structure which is arranged opposite to the first side surface and protrudes away from the plane structure; the puncture plane 54 is vertically arranged on the first side surface 51 and the axis of the mounting round hole 52 and penetrates through the second side surface 53, and the width of the puncture plane 54 is adapted to the diameter of the puncture needle. Further, the width of the piercing plane 54 may be set to a variety of sizes and may be adapted to a 14-22G piercing needle diameter, preferably the piercing plane 54 width may be set to an 18G piercing needle diameter.
The first presser foot 31 and the second presser foot 41 of the fixing device 1 are respectively pressed against the two long axis sides of the probe, and when the first side 51 of the puncture plane device 5 is abutted against the one short axis side 93 of the probe, the puncture plane device 5 can be fixed, so that the puncture path of the puncture needle guided by the puncture plane 54 is positioned in the acoustic plane of the probe.
Specifically, the first side 51 adopts a planar structure, and can be abutted against the planar structure of the short axis side 93 of the probe, so that the puncture plane device 5 can only move along the transverse axis after being positioned. The mounting round hole 52 adopts a round hole structure, so that the puncture plane device can rotate around a transverse shaft to adapt to probes with different expansion angles. The second side is towards keeping away from plane structure direction protrusion, has both increased the area of puncture plane, has increased the pjncture needle body length that can be guided by the puncture plane, makes puncture plane's guide efficiency increase, makes the free angle puncture more accurate in the plane, and arc protrusion structure can reduce the influence of device itself to the front and back horizontal hunting operation of probe moreover. The invention has high puncture precision and small occupied space, and can be suitable for the free angle puncture in the plane of the multi-brand ultrasonic probe.
The puncture plane device 5 is provided with a longitudinal movable arm 4, and the longitudinal movable arm 4 can be moved and fixed at a required position, so that the first presser foot 31 and the second presser foot 41 can be clamped on long-axis side surfaces 93 of the multi-brand ultrasonic probes with different thicknesses; the puncture plane device 5 is provided with the puncture plane 54, the puncture plane device 5 can axially move and rotate along the transverse shaft 2, the device can be suitable for multiple brands of probes with different expansion angles, when the puncture plane device 5 is fixed at a proper position, a puncture path of a puncture needle can be clearly displayed in an acoustic plane of the probe 9 when the puncture needle punctures along the puncture plane 54, and the puncture needle can adjust the angle in the range of 0 to 90 degrees in the puncture plane 54 as required, so that the puncture needle can adjust the path at any time.
In some embodiments of the present invention, as shown in fig. 1 to 3, the transverse shaft 2 includes a first section 21, the first section 21 is located at a first end side of the transverse shaft 2, the mounting hole 52 is a light hole with a cross-sectional shape corresponding to that of the first section 21, so that the puncture plane device 5 can be slidably mounted on the first section 21, and the puncture plane device 5 can move axially along the first section 21 to adapt to the thickness of the short axis side 93 of the different probes 9.
In some embodiments of the present invention, as shown in fig. 1 to 6, the transverse shaft 2 includes a second section 22, the second section 22 is located at a second end side of the transverse shaft 2, and the second section 22 adopts a double-sided rack structure; the longitudinal movable arm 4 comprises a retaining device 6 and a movable arm 42, and the retaining device 6 comprises a shell 61, a clamping plate 69 and a torsion pressure spring 611.
The housing 61 has a rectangular parallelepiped structure with an open end, and the housing 61 includes a first side wall 62, a second side wall 63, a third side wall 64, a fourth side wall 65, and an end plate 67. The first side wall 62 and the third side wall 64 are oppositely arranged, the first side wall 62 and the third side wall 64 are provided with the same transverse shaft mounting hole 66, the transverse shaft mounting hole 66 is adapted to the section of the second section 22, and the shell 61 is installed on the second section 22 in a penetrating way through the two transverse shaft mounting holes 66; the first side wall 62 side of the end plate 67 is provided with a limiting hole 68.
One end of the clamping plate 69 extends out of the open end, the other end of the clamping plate 69 extends out of the limiting hole 68, a clamping hole 610 is formed in the middle of the clamping plate 69, the clamping plate 69 is arranged on the second section 22 of the transverse shaft in a penetrating mode through the clamping hole 610, and the height of the clamping hole 610 is larger than the distance between two rack faces of the second section 22.
The torsion pressure spring 611 is installed on the second section 22 in a penetrating way, one end of the torsion pressure spring 611 is fixed on the inner surface of the first side wall 62, and the other end of the torsion pressure spring 611 abuts against the clamping plate 69. Further, a limiting groove 612 is provided at an open end side of the inner surface of the first sidewall 62, and one end of the torsion compression spring 611 is clamped in the limiting groove 612.
When the retaining device is pushed towards the first end direction of the transverse shaft 2, the torsion pressure spring 611 of the retaining device 6 is pressed, the included angle between the clamping plate 69 and the first side wall 62 is reduced, two opposite sides of the clamping hole 610 are respectively rotated away from two tooth surfaces of the double-sided rack, and the longitudinal movable arm 4 arranged on the retaining device can freely move towards the probe; when the longitudinal movable arm is pushed towards the second end direction of the transverse shaft 2, the two opposite sides of the clamping hole 610 are respectively clamped with the two tooth surfaces of the double-sided rack more tightly, and the longitudinal movable arm 4 arranged on the backstop device cannot move; when the puncture guiding device is fixed on the probe and is not moving, under the pressure of the torsion pressure spring 611 of the retaining device, one end of the open end side of the clamping plate 69 is inclined towards the third side plate, two opposite sides of the clamping plate clamping hole 610 are respectively clamped on two tooth surfaces of the double-sided rack, and the clamping plate 69 is automatically locked and positioned, so that the longitudinal movable arm is limited to move in a direction far away from the probe, and the puncture guiding device can be firmly fixed on the probe. The longitudinal movable arm 4 of the design has the characteristic of only advancing and not retreating when clamping and fixing the probe, so that the probe is fixed on the probe exactly and firmly.
When the puncture guiding device needs to be disassembled, one end of the open end side of the clamping plate 69 is pulled towards the direction of the first side wall 62, the torsion pressure spring 611 is pressed, the included angle between the clamping plate 69 and the first side wall 62 is reduced, two opposite sides of the clamping hole 610 of the clamping plate 69 are respectively rotated away from two tooth surfaces of the double-sided rack, and the longitudinal movable arm 4 arranged on the retaining device 6 can be pushed to freely move towards the direction far away from the probe, so that the device is disassembled from the probe. The invention has simple disassembly and flexible and convenient use.
Preferably, as shown in fig. 1 to 3, the movable arm 42 is welded to the second side wall 63 of the housing 61 vertically, so as to facilitate the operation of the doctor.
In some embodiments of the invention, as shown in fig. 1 to 3, the second end of the transverse shaft 2 is provided with a threaded hole along the axial direction thereof, in which a fastener is screwed, and the head 7 of the fastener can prevent the backstop device 6 from being disengaged from the second end of the transverse shaft 2.
In some embodiments of the present invention, as shown in fig. 1 to 3, the puncture plane device 5 further comprises a locking surface 8, a locking bolt mounting hole, and a locking bolt 81. The locking surface 8 is arranged adjacent to the first side surface 51 and close to the mounting round hole 52 along the thickness direction of the puncture plane device 5; the locking bolt mounting round hole penetrates through the locking surface 8 of the puncture plane device 5 to the side wall of the mounting round hole 52, and the axis of the locking bolt mounting round hole is coplanar with the symmetrical surface in the width direction of the puncture plane 54; the lock bolt 81 is screwed into the lock bolt mounting hole. The piercing surface device 5 can be secured to the first section 21 by tightening the locking bolt 81 to maintain the piercing needle guided by the piercing surface 54 in the acoustic plane of the probe 9 during surgery.
In any embodiment of the present invention, as shown in fig. 1 to 2, a centering mark 82 is provided at a center position of a head of the locking bolt 81. Allowing the physician to determine whether the lancing device 5 is properly positioned by the relative positions of the centering mark 82 and the short axis side 93 of the probe. Further, the short axis side 93 of the probe 9 is provided with a probe centering line 94, the probe centering line 94 is arranged on the intersection line of the short axis side 93 of the probe and the middle section of the thickness direction of the probe, that is, the probe centering line 94 is located on the acoustic plane of the probe, the axial position of the puncture plane device 5 along the transverse axis 2 can be adjusted by the alignment condition of the centering mark 82 of the puncture plane device 5 and the probe centering line 94, and when the centering mark 82 of the puncture plane device 5 is aligned with the probe centering line 94, the puncture needle guided by the puncture plane 54 can be ensured to be located in the acoustic plane of the probe 9.
In some embodiments of the present invention, as shown in fig. 7 and 8, the first presser foot 31 includes a pressing plate 311 and a slideway 312. The pressing surface of the pressing plate 311 is provided with anti-skid patterns, so that the friction force between the first presser foot 31 and the second presser foot 41 and the probe 9 is increased, and the slipping is not easy to occur; the slide way 312 is disposed on the opposite side of the pressing surface of the pressing plate 311, one end of the slide way 312 is an open end, and the other end is provided with a sealing plate 313, so that the other end is a closed end. The sliding strips 314 are respectively arranged on two sides of the other end of the longitudinal fixed arm 3 and two sides of the other end of the longitudinal movable arm 4, the longitudinal fixed arm 3 is slidably mounted in the sliding way 312 through the tight fit of the sliding strips 314 with the sliding way, so that the first presser foot 31 is detachably mounted on the longitudinal fixed arm 3, and the second presser foot 41 is detachably mounted on the longitudinal movable arm 4, thereby facilitating the replacement of the first presser foot 31 and/or the second presser foot 41, enabling the puncture guiding device to be sterilized and reused, and reducing the use cost of the invention.
Preferably, the first presser foot 31 and the second presser foot 41 are made of silica gel or rubber, the silica gel or rubber has elasticity and stretchability, and can buffer the slightly convex angle of the side surface of the long shaft of the probe, so that the fixing device 1 is more firmly fixed on the probe 9, the problem that the pressure between the first presser foot 31 and the second presser foot 41 is too high or too low when the tooth pitch of the double-sided rack is large is solved, and meanwhile, the damage and abrasion to the side surface of the long shaft of the probe are reduced.
The puncture guiding device of the present invention is installed as follows:
s1, marking a probe centering line 94 on the side of a short axis of the probe;
s2, fixing the fixing device 1 on the probe 9: the first side surface 51 of the puncture plane device 5 is abutted against the short shaft side surface 93 of the probe, the first presser foot 31 of the longitudinal fixing arm 3 is abutted against the long shaft side surface of the probe, the retaining device 6 is pushed to the first end side of the transverse shaft 2, and when the second presser foot 41 presses the other long shaft side surface of the probe, the retaining device 6 can be automatically locked and positioned, and the fixing device 1 is fixed on the probe 9;
S3, adjusting the position of the puncture plane device 5: the puncture plane device 5 is moved axially along the first section 21, and when the centering mark 82 of the puncture plane device 5 is aligned with the probe centering line 94 of the short axis side 93 of the probe 9, the locking bolt 81 is screwed to fix the puncture plane device 5 on the first section 21, so that the puncture needle guided by the puncture plane 54 in operation can be kept in the acoustic plane of the probe 9.
When the puncture guiding device is disassembled, the clamping plate 69 of the stopping device 6 is pulled towards the direction of the first side wall 62, so that the two opposite sides of the clamping plate clamping hole 610 are respectively rotated away from the two tooth surfaces of the double-sided rack, and the stopping device 6 can be conveniently pushed to move freely along the axial direction of the second section 22, and the puncture guiding device is detached from the probe 9.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. An in-plane free angle piercing guide usable with a variety of brands of probes, the piercing guide comprising:
A fixation device comprising a transverse shaft including a first end and a second end along a length thereof; one end of the longitudinal fixing arm is vertically and fixedly arranged at the first end of the transverse shaft, and the other end of the longitudinal fixing arm is provided with a first presser foot facing the direction of the second end of the transverse shaft; the longitudinal movable arm is vertically and fixedly arranged at the second end side of the transverse shaft, one end of the longitudinal movable arm is movable, the other end of the longitudinal movable arm is provided with a second presser foot, and the second presser foot is identical to the first presser foot and is oppositely arranged;
The puncture plane device, mobilizable fixed set up on the horizontal epaxial vertical fixed arm with between the vertical movable arm, puncture plane device includes: a first side surface along the thickness direction adopts a planar structure; the cross section of the mounting round hole is round, and the mounting round hole is arranged on the first side surface side of the puncture plane device and penetrates through the puncture plane device along the thickness direction of the mounting round hole; the second side surface is an arc-shaped structure which is arranged opposite to the first side surface and protrudes away from the plane structure along the thickness direction; the puncture plane is vertically arranged on the first side face and the axis of the mounting round hole and penetrates through the second side face, and the width of the puncture plane is adapted to the diameter of the puncture needle;
The first presser foot and the second presser foot of the fixing device are respectively pressed on the two long-axis side surfaces of the probe, and when the first side surface of the puncture plane device is abutted against one short-axis side surface of the probe, the puncture needle guided by the puncture plane can be positioned in the acoustic plane of the probe by fixing the puncture plane device;
The transverse shaft comprises a first section which is positioned at the first end side of the transverse shaft, and the mounting round hole is a light hole with a cross section shape which is matched with that of the first section;
the transverse shaft comprises a second section, the second section is positioned at the second end side of the transverse shaft, and the second section adopts a double-sided rack structure;
the longitudinal movable arm comprises a backstop device and a movable arm, and the backstop device comprises:
The casing, the casing adopts the cuboid structure, is equipped with an open end, the casing includes: the shell is arranged on the second section in a penetrating way through the two transverse shaft mounting holes; the first side wall side of the end plate is provided with a limit hole;
the clamping plate, one end of which extends out of the open end, the other end of which extends out of the limit hole, is provided with a clamping hole in the middle part, the clamping plate is arranged on the second section of the transverse shaft in a penetrating way through the clamping hole, and the height of the clamping hole is larger than the distance between two rack surfaces of the second section;
The torsion pressure spring is arranged on the second section in a penetrating mode, one end of the torsion pressure spring is fixed on the inner surface of the first side wall, and the other end of the torsion pressure spring abuts against the clamping plate.
2. The in-plane free angle puncture guiding device for a plurality of brands of probes according to claim 1, wherein a limit groove is arranged on the open end side of the inner surface of the first side wall, and one end of the torsion pressure spring is clamped in the limit groove.
3. The in-plane free angle lancing guide of claim 1 for use with multiple brands of probes, wherein said movable arm is disposed vertically on said housing second side wall.
4. An in-plane free angle penetration guide for use with multiple brands of probes according to claim 1 wherein said transverse shaft second end is provided with a threaded bore along its axial direction in which a fastener is threaded, the head of said fastener being capable of preventing the backstop from backing out of the transverse shaft second end.
5. The in-plane free angle lancing guide usable with multiple brands of probes of claim 1, wherein said lancing planar device further comprises:
The locking surface is arranged adjacent to the first side surface and close to the mounting round hole along the thickness direction of the puncture plane device;
A locking bolt installation round hole penetrates through the locking surface of the puncture plane device to the side wall of the installation round hole, and the axis of the locking bolt installation round hole is coplanar with the symmetrical surface in the width direction of the puncture plane;
the locking bolt is screwed in the locking bolt mounting round hole.
6. The in-plane free angle piercing guide for multiple brands of probes of claim 5, wherein the center of the head of said locking bolt is provided with a centering mark.
7. The in-plane free angle piercing guide for a multi-brand probe of claim 1, wherein the first presser foot comprises:
the pressing surface of the pressing plate is provided with anti-skid patterns;
The slide way is arranged on one surface of the pressing plate opposite to the pressing surface, one end of the slide way is an open end, and the other end of the slide way is provided with a sealing plate;
The sliding strips are respectively arranged on two sides of the other end of the longitudinal fixing arm and two sides of the other end of the longitudinal movable arm, and the longitudinal fixing arm is in sliding fit with the sliding way through the sliding strips and is in sliding installation in the sliding way.
8. The in-plane free angle lancing guide for use with multiple brands of probes of claim 1 wherein said first presser foot and said second presser foot are each made of silicone or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JP2001120553A (en) * | 1999-10-28 | 2001-05-08 | Aloka Co Ltd | Puncture adapter |
| JP2005192915A (en) * | 2004-01-09 | 2005-07-21 | Toshiba Corp | Puncture adapter and ultrasonic probe |
| JP4109272B2 (en) * | 2004-07-09 | 2008-07-02 | 直彦 徳本 | Puncture adapter |
| CN103222897B (en) * | 2013-05-07 | 2015-06-17 | 王琛 | Ultrasound-guided out-of-plane puncture adapter, ultrasound-guided puncture device with same, and corresponding method |
| WO2016013055A1 (en) * | 2014-07-22 | 2016-01-28 | 本多電子株式会社 | Ultrasonic probe, ultrasonic image display device, and puncture guide attachment |
| US20180021011A1 (en) * | 2015-05-04 | 2018-01-25 | Whale Imaging, Inc. | Ultrasound puncturing method and apparatus |
| WO2019241949A1 (en) * | 2018-06-21 | 2019-12-26 | 王沁 | Puncture guider and puncture guiding system |
| CN110368076A (en) * | 2019-08-16 | 2019-10-25 | 何亮 | Ultrasonic guidance sound shadow positions the outer vascular puncture device of plane and piercing method |
| CN211131316U (en) * | 2019-11-13 | 2020-07-31 | 威朋（苏州）医疗器械有限公司 | Ultrasonic coplanar puncture auxiliary guide |
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