CN111513760A - Ultrasonic probe structure in craniocerebral operation - Google Patents
Ultrasonic probe structure in craniocerebral operation Download PDFInfo
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- CN111513760A CN111513760A CN202010379779.8A CN202010379779A CN111513760A CN 111513760 A CN111513760 A CN 111513760A CN 202010379779 A CN202010379779 A CN 202010379779A CN 111513760 A CN111513760 A CN 111513760A
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- handle section
- ultrasonic probe
- craniocerebral operation
- scanning section
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4455—Features of the external shape of the probe, e.g. ergonomic aspects
Abstract
The invention relates to the technical field of medical equipment, in particular to an ultrasonic probe structure in craniocerebral operation, wherein the probe is composed of a scanning section, a transition section and a handle section which are sequentially connected, the scanning section is of a horizontal flat round side rectangular structure, the transition section is of a straight structure inclined to the rear upper part, the transition section and the scanning section form a folded hockey stick-shaped structure, the handle section is of an inverted bow shape which is vertically arranged, the finger holding side of the handle section is wavy, and the palm center side of the handle section is of an outer arc shape. The freezing key is arranged at the top end of the handle section, and the starting key is arranged on the finger holding side of the handle section. The invention can perfectly match the special anatomical shape in the craniocerebral operation, is convenient for the ultrasonic exploration requirement in the craniocerebral operation, can quickly freeze the image in time, can reduce the repeated operation and the infection risk, and can reduce the signal interference or the transmission loss through the timely digital-to-analog conversion.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an ultrasonic probe structure in craniocerebral operation.
Background
Precise surgical resection is a current clinical development trend, and the development direction aims to completely resect a focus and reserve normal tissues as much as possible so as to maintain the normal functions of the residual organs or tissues after the surgery. In craniocerebral surgery, intraoperative ultrasound probing is used to identify benign and malignant lesions, avoid damaging important nerves and other tissue organs, and guide the range of surgical resection, which means that intraoperative ultrasound probing has become increasingly important.
Most of the existing ultrasonic probes are designed to be straight-handle and wide-scanning-surface (more than 3cm), and cannot pass through an operation incision, and meanwhile, due to the special structure of the cranium, the existing probe design cannot meet the requirement of exploration in the cranium operation. During the ultrasonic exploration in the operation, the image is usually frozen for a plurality of times for the pathology or the interested target, the function key of the existing ultrasonic equipment is arranged on the ultrasonic host, the operation is required to be synchronously carried out on the host during the examination in the operation, the risk of infection of the operation field exists, the examiner switches back and forth between the operation field and the host, the rapid capturing of the pathology or the important target is not facilitated, and the time and the probability of the repeated operation are obviously increased.
Disclosure of Invention
The invention aims to provide an ultrasonic probe structure in craniocerebral operation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an ultrasonic probe structure in craniocerebral art, the probe is scan section, changeover portion and handle section respectively for the three-section that connects gradually, the scan section is the round side rectangle structure of the flat form of horizontal, the changeover portion is the structure of straight slant back upper place, changeover portion and scan section constitution roll-over hockey rod-shaped structure, the handle section is the vertical anti-bow-shaped that sets up, the handle section indicates that the side of holding is wavy, the palm center side of handle section is outer circular-arc.
Furthermore, the top end of the handle section is provided with a freezing key, and the finger holding side of the handle section is provided with a starting key.
Furthermore, a protective film is arranged at the front end of the scanning section, a pentagonal wedge with right-angled three sides in the front and inclined two sides at the back is arranged in the scanning section, sound absorbing materials are filled in the periphery of the wedge until a cavity of the shell part of the scanning section, a rectangular damping block is arranged on the inclined surface part of the wedge, a piezoelectric wafer is arranged at the joint of the damping block and the inclined surface of the wedge, and the piezoelectric wafer is connected with a lead outwards.
Furthermore, a digital-to-analog conversion chip is arranged in the transition section, the output end of the digital-to-analog conversion chip is connected with the wire extending part of the piezoelectric wafer, a development plate is arranged in the handle section, the development plate is respectively connected with the digital-to-analog conversion chip, the freezing key and the starting key in an input mode through wires, and the development plate is connected to a signal line interface arranged at the bottom end of the handle section in an output mode.
Furthermore, the signal output by the signal line interface is a digital signal, and the digital signal needs to be converted into an analog quantity through a conversion interface on an external device and then further matched with a graphical interface.
Furthermore, the scanning section is provided with a front detection surface and a side detection surface, the front detection surface is a wide-angle detection surface, and the side detection surface is a high-frequency linear array detection surface 2-3 cm wide.
Furthermore, the transition section and the scanning section are provided with folding angles made of plastic materials.
Compared with the prior art, the invention has the beneficial effects that: the invention can perfectly match with the special anatomical shape in the craniocerebral operation, the probe can go deep into the operation field to explore the focus or the region of interest, and the ultrasonic exploration requirement in the craniocerebral operation is convenient; the probe handle section is integrated with the freezing function key, so that the image can be quickly and immediately frozen, repeated operation is reduced, and infection risk is reduced; a highly integrated analog-to-digital conversion chip is adopted inside, and an ultrasonic analog signal is converted into a digital signal at the front end and transmitted into a host, so that signal interference or transmission loss is avoided; have two signal detection faces under this design, a wide angle is surveyed the face, has the detection angle of broad, avoids signal reception disappearance, and a high frequency linear array surveys the face, and the size is 2 to 3 centimetres, can adjust the molding that front end hockey stick shape was described through the dog-ear, can go deep into neurosurgery's operation incision, utilizes the high frequency linear array to explore the appearance profile of pathological change positions such as tumour simultaneously, has very strong clinical meaning.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a cross-sectional view of a scan segment of the present invention.
In the figure: 1. a scanning section; 10. a high-frequency linear array detection surface; 101. a wide-angle detection surface; 102. bending the corner; 11. a wedge; 12. a sound absorbing material; 13. a damping block; 14. a piezoelectric wafer; 15. a wire; 2. a transition section; 21. a digital-to-analog conversion chip; 3. a handle section; 31. a freeze key; 32. a start key; 33. a signal line interface; 34. and (5) developing a plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides an ultrasonic probe structure in craniocerebral art, the three-section that the probe connects gradually is scan section 1, changeover portion 2 and handle section 3 respectively, scan section 1 is the flat round side rectangle structure of horizontal formula, changeover portion 2 is the structure of straight slant back upper place, changeover portion 2 and scan section 1 constitute the hockey rod-shaped structure of roll over shape, handle section 3 is the anti-bow-shaped of vertical setting, handle section 3 indicates that the side of holding is wavy, the palm heart side of handle section 3 is outer circular-arc.
Furthermore, the special design structure of the scanning section 1, the transition section 2 and the handle section 3 can perfectly match with the special anatomical shape in the craniocerebral operation, so that the probe can go deep into the surgical field to explore the focus, and the ultrasonic exploration requirement in the craniocerebral operation is facilitated.
The top end of the handle section 3 is provided with a freezing key 31, and the finger holding side of the handle section 3 is provided with a starting key 32.
Specifically, the freeze key 31 is used to freeze a display image on the main unit of the ultrasonic diagnostic apparatus, so that the image can be quickly and instantly frozen, repeated operations by a doctor are reduced, and the start key 32 is used to start the probe.
The front end of the scanning section 1 is provided with a protective film, the scanning section 1 is internally provided with a pentagonal wedge 11 with the front three sides being right angles and the rear two sides being inclined planes, the periphery of the wedge 11 is filled with a sound absorption material 12 until the cavity of the shell part of the scanning section 1, the inclined plane part of the wedge 11 is provided with a rectangular damping block 13, the joint of the damping block 13 and the inclined plane of the wedge 11 is provided with a piece of piezoelectric wafer 14, and the piezoelectric wafer 14 is connected with a lead 15 outwards.
Specifically, the piezoelectric wafer 14 is a core element of the probe, and is cut from a piezoelectric single crystal in a certain manner and in a certain direction or made of piezoelectric ceramics through polarization, and functions to transmit and receive ultrasonic waves; the protective film in front of the probe is used for protecting the probe and preventing the probe from being worn and damaged; the damping mass 13, also referred to as an absorber mass, is attached to the back side of the piezoelectric wafer 14 and functions to dampen inertial vibration of the wafer and absorb acoustic energy radiated from the back side of the wafer, thereby reducing pulse width and clutter signal interference.
A digital-to-analog conversion chip 21 is arranged in the transition section 2, the output end of the digital-to-analog conversion chip 21 is connected with the epitaxial part of the lead 15 of the piezoelectric wafer 14, a development plate 34 is arranged in the handle section 3, the development plate 34 is respectively connected with the digital-to-analog conversion chip 21, the freezing key 31 and the starting key 32 in an input mode through the lead 15, and the development plate 34 is connected to a signal line interface 33 arranged at the bottom end of the handle section 3 in an output mode.
The signal output from the signal line interface 33 is a digital signal, and the digital signal needs to be converted into an analog signal through a conversion interface on an external device and further matched with a graphical interface.
It should be noted that, a highly integrated analog-to-digital conversion chip 21 is used inside the transition section 2, the ultrasonic analog signal is converted into a digital signal in the middle of the probe, and the digital signal can be amplified through the middle development board 34, which further avoids signal interference or transmission loss compared with the analog signal, and the development board 34 also has the function of adjusting the freeze key 31 and the start key 32.
It should be noted that the analog-to-digital conversion chip 21 is a dedicated high-precision 24-bit AD converter HX711, and the development board 34 is of a model STM 32. The electronic devices of the above types are all in the prior art, and the design does not relate to the improvement of the electronic devices per se and the improvement of the using method, and the details are not repeated here.
The scanning section 1 is provided with a front detection surface and a side detection surface, the front detection surface is a wide-angle detection surface 101, the side detection surface is a high-frequency linear array detection surface 10 with the width of 2-3 cm, a module of a high-frequency linear array is arranged in the high-frequency linear array detection surface 10, and signals are transmitted to an analog-digital conversion chip 21 through a lead 15.
The transition section 2 and the scanning section 1 are provided with folding angles 102 made of plastic materials. The angle between the scanning section 1 and the transition section can be adjusted by manually adjusting the plastic material, such as the shape of the plastic material.
In the embodiment, the two signal detection surfaces, namely the wide-angle detection surface 101, have wider detection angles, so that signal receiving loss is avoided; the high-frequency linear array detection surface 10 is 2-3 cm in size, the shape of a hockey stick at the front end can be adjusted through a break angle 102, the hockey stick can go deep into an operation incision of neurosurgery, and meanwhile, the high-frequency linear array can be used for probing the outline of lesion positions such as tumors and the like, so that the high-frequency linear array detection surface has strong clinical significance.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An ultrasonic probe structure in craniocerebral operation is characterized in that: the utility model discloses a hockey stick structure, including probe, scanning section, changeover portion, transition section, handle section, transition.
2. The structure of the ultrasonic probe in craniocerebral operation according to claim 1, wherein: the freezing key (31) is arranged at the top end of the handle section (3), and the starting key (32) is arranged on the finger holding side of the handle section (3).
3. The structure of the ultrasonic probe in craniocerebral operation according to claim 1, wherein: the front end of scanning section (1) is equipped with the protection film, scanning section (1) inside is equipped with trilateral pentagon slide wedge (11) that is the right angle, back both sides are the inclined plane in place of in the place ahead, slide wedge (11) are filled all around until the cavity of scanning section (1) housing part has sound absorbing material (12), be equipped with damping piece (13) of a rectangle on the inclined plane part of slide wedge (11), the junction on the inclined plane of damping piece (13) and slide wedge (11) is equipped with a slice piezoelectric wafer (14), a wire (15) are outwards connected out in piezoelectric wafer (14).
4. The structure of the ultrasonic probe in craniocerebral operation according to claim 2, wherein: be equipped with digital-to-analog conversion chip (21) in changeover portion (2), the wire (15) epitaxial portion of piezoelectric wafer (14) is connected to digital-to-analog conversion chip (21) output, be equipped with a slice development board (34) in handle section (3), development board (34) are through wire (15) input connection digital-to-analog conversion chip (21), freeze key (31) and start key (32) respectively, development board (34) output connection is to signal line interface (33) that handle section (3) bottom set up.
5. The structure of the ultrasonic probe in craniocerebral operation according to claim 1, wherein: the signal output by the signal line interface (33) is a digital signal, and the digital signal needs to be converted into analog quantity through a conversion interface on external equipment and then further matched with a graphical interface.
6. The structure of the ultrasonic probe in craniocerebral operation according to claim 1, wherein: scanning section (1) is equipped with two detection faces of front and side, the detection face that openly is wide angle detection face (101), the side is high frequency linear array detection face (10) of 2 to 3 centimetres width.
7. The structure of the ultrasonic probe in craniocerebral operation according to claim 1, wherein: the transition section (2) and the scanning section (1) are provided with break angles (102) made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379779.8A CN111513760B (en) | 2020-05-08 | 2020-05-08 | Ultrasonic probe structure in craniocerebral operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379779.8A CN111513760B (en) | 2020-05-08 | 2020-05-08 | Ultrasonic probe structure in craniocerebral operation |
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| Publication Number | Publication Date |
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| CN111513760A true CN111513760A (en) | 2020-08-11 |
| CN111513760B CN111513760B (en) | 2022-05-17 |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030229281A1 (en) * | 2002-06-07 | 2003-12-11 | Bill Barnard | Bladder wall thickness measurement system and methods |
| US20100249598A1 (en) * | 2009-03-25 | 2010-09-30 | General Electric Company | Ultrasound probe with replaceable head portion |
| US20130060144A1 (en) * | 2011-09-02 | 2013-03-07 | Farus, Llc | Scanning dental ultrasonography probe |
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| CN111513760B (en) | 2022-05-17 |
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