CN113509243B - Body surface positioning device - Google Patents
Body surface positioning device Download PDFInfo
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- CN113509243B CN113509243B CN202110371367.4A CN202110371367A CN113509243B CN 113509243 B CN113509243 B CN 113509243B CN 202110371367 A CN202110371367 A CN 202110371367A CN 113509243 B CN113509243 B CN 113509243B
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- puncture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3904—Markers, e.g. radio-opaque or breast lesions markers specially adapted for marking specified tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention belongs to the technical field of body surface puncture positioning devices, and particularly relates to a body surface positioning device and a body surface puncture positioning method. The locating guide plate comprises a guide plate main body, a first guide hole, a second guide hole, a first puncture guide piece and a second puncture guide hole are formed in the guide plate main body, the first puncture guide piece and the second puncture guide hole correspond to the first guide hole and the second guide hole respectively, and the first puncture guide piece and the second puncture guide hole are arranged on one side far away from the guide plate main body and attached to the skin of a human body. The positioning device has the advantages of simple structure, easy operation and low production cost.
Description
Technical Field
The invention belongs to the technical field of body surface puncture positioning devices, and particularly relates to a body surface positioning device.
Background
In clinical work, various puncture examinations or treatments are often conducted under CT guidance, and the positioning of body surface puncture points directly relates to whether puncture can be successful or not and whether important viscera can be avoided or not. Most current methods are bone positioning, but the method is limited by individual differences of doctors, and the final positioning accuracy is large in error. In order to improve the positioning accuracy, a certain positioning device is needed. The utility model discloses a nodule body surface positioner of combination CT image as in patent application CN201910345415.5, this positioner includes the support and sets up first horizontal beam on the support, the bottom of first horizontal beam is provided with the first laser projection arrangement of vertical downward orthographic projection laser along length direction, still be provided with apart from the display part on the first horizontal beam, it is provided with the slider to slide on the first horizontal beam, be provided with the second laser projection arrangement that the laser line that the emission was come out and the laser line that the first laser projection arrangement was launched are mutually perpendicular on the slider. The device of the invention is used for positioning without CT guided puncture positioning for many times under CT room local anesthesia before operation, and only needs to combine the first CT image of patient admission to position after full anesthesia in an operating room. Ensures the stability and the accuracy of the positioning of the chest nodule. However, the structure is relatively complex, the production cost is high, the operation is complex, and operators need to be trained for use. Is not beneficial to large-scale popularization.
Patent CN201911150743.6 discloses a body surface positioning device for CT guide puncture, including many lead wires that even interval set up, the outer wall parcel soft rubber layer of lead wire still includes soft rubber fixed strip, the equal fixed connection in both ends of lead wire soft rubber fixed strip, and every two tip of lead wire are embedded respectively both sides in the soft rubber fixed strip is fixed, constitutes the location fence. The body surface positioning device effectively reduces the risk of lead wire breakage, meanwhile, the soft rubber layer wrapped by the outer wall of the lead wire and the soft rubber fixing strip are integrally formed, so that the lead wire is prevented from being separated, and the durability and the positioning accuracy of the positioning device are improved. This structure is relatively simple, but suffers from the following disadvantages: the steel wires arranged at intervals have certain toughness and are easy to fold, so that sliding is easy to occur in the positioning process, and the positioning accuracy is reduced.
Disclosure of Invention
In order to solve the above problems in the prior art, one of the purposes of the present invention is to provide a body surface positioning device with simple structure, easy operation and low production cost.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the body surface positioning device is characterized by comprising a positioning guide plate, wherein one side of the positioning guide plate is attached to the skin of a human body, the positioning guide plate comprises a guide plate main body, a first guide hole, a second guide hole, a first puncture guide piece and a second puncture guide piece are arranged on the guide plate main body, the first puncture guide piece and the second puncture guide piece correspond to the first guide hole and the second guide hole respectively, and the first puncture guide piece and the second puncture guide piece are arranged on one side far away from the guide plate main body and attached to the skin of the human body;
the first guide hole and the second guide hole comprise round through holes formed by three circles which are externally connected, the first guide hole comprises a first puncture hole, a first guide groove and a first pin withdrawal hole, the second guide hole comprises a second puncture hole, a second guide groove and a second pin withdrawal hole, and the first puncture hole is communicated with the first guide groove and the first pin withdrawal hole; the second puncture hole is communicated with the second guide groove and the second needle withdrawing hole;
at least three positioning holes are formed in the guide plate main body;
the positioning device also comprises a marking assembly, wherein the marking assembly comprises a plurality of thin slices with the same shape, and each thin slice is connected with the adjacent thin slice through an external arc; at least three positioning holes on the positioning guide plate are respectively matched with the positions of the body surface marking components on the body surface.
Preferably, the included angle between the first puncture guide member and the second puncture guide member and the guide plate main body is 15-90 degrees. The included angle between the puncture guide piece and the guide plate main body is adjusted according to the specific conditions of the body shape, focus position and the like of a patient.
Preferably, the first guide hole and the first penetrating guide member form a first penetrating channel, the second guide hole and the second penetrating guide hole form a second penetrating channel, and the lengths of the first penetrating channel and the second penetrating channel are greater than or equal to 10mm.
Preferably, the inner diameters of the first puncture channel and the second puncture channel are larger than 1.2mm and smaller than 1.5mm.
Preferably, the thickness of the guide plate body is 3-10mm.
Preferably, the dimensions of the fence body are no greater than 20cm x 20cm.
Preferably, the sheet has a size of 1-2mm thick.
The invention also provides a body surface positioning assisting method by using the positioning component, which comprises the following steps:
according to the approximate focus area determined by a doctor, taking a kidney puncture operation as an example, taking a puncture area in the common sense of the doctor as the back side of the waist and abdomen, and randomly selecting 3 points which are not on a straight line at the edge of the area by using a marker pen or other marking materials as reference points, wherein the reference points are positioned near the projection area of the kidney on the body surface;
and secondly, using lead or other materials capable of generating images in CT as markers by gluing or other modes to fix the body surface marker components in the marker areas, then shooting CT, and determining the marker positions.
The invention also provides a method for positioning a puncture site by using the positioning device, which comprises the following steps:
firstly, according to a focus approximate area determined by a doctor, taking a kidney puncture operation as an example, the doctor judges the range of the vertical projection of the kidney in the area at the back side of the waist and abdomen according to common sense, randomly selects 3 points which are not on a straight line at the edge of the area by using a marker pen or other similar marking materials as reference points, and marks;
secondly, fixing the body surface marking assembly in the marking area by gluing or other modes, and then shooting CT;
and thirdly, removing the body surface marking assembly, fixing the positioning guide plate on the body surface, enabling the positioning holes on the positioning guide plate to be matched with the marks left on the body surface by the body surface marking assembly, forming three-dimensional model data by using the positioning data of the positioning plate, and determining the surgical puncture points according to the positioning principle.
The body surface positioning assembly may be pre-colored prior to fixation.
Compared with the prior art, the invention has the beneficial effects that:
(1) The positioning device provided by the invention has the advantages of simple structure, easiness in operation and low production cost.
(2) The body surface marking assembly with a smaller structure and easy positioning is combined with the positioning plate with better stability, so that the relationship between the accuracy and the stability of the positioning device is coordinated.
Drawings
Fig. 1 is a front view of the positioning guide provided in embodiment 1.
Fig. 2 is an isometric view of the positioning guide provided in example 1.
FIG. 3 is an enlarged view of a portion of the puncture path in the positioning guide provided in example 1.
Detailed Description
In order to make the objects and technical solutions of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to examples.
Example 1
According to fig. 1-3, the invention provides a body surface positioning device, which is characterized by comprising a positioning guide plate, wherein one side of the positioning guide plate is attached to human skin, the positioning guide plate comprises a guide plate main body 1, a first guide hole 2, a second guide hole 3, a first puncture guide piece 4 and a second puncture guide piece 5 are arranged on the guide plate main body 1, the first puncture guide piece 4 and the second puncture guide piece 5 are respectively corresponding to the first guide hole 2 and the second guide hole 3, and the first puncture guide piece and the second puncture guide hole are arranged on one side far away from the guide plate main body 1 and attached to the human skin. In order to improve the fitting degree of the positioning guide plate and a human body, a guide plate main body on one side, which is fit with the skin of the human body, is usually arranged to be concave inwards, and the specific radian is adjusted according to the specific condition of a patient. Three positioning holes are provided at the ends near the three corners of the guide plate body 1. Is used for being matched with the body surface marking component.
The first guide hole 2 comprises a first puncture hole 21, a first guide groove 22 and a first pin withdrawal hole 23, the second guide hole 3 comprises a second puncture hole 31, a second guide groove 32 and a second pin withdrawal hole 33, and the first puncture hole 21 is communicated with the first guide groove 22 and the first pin withdrawal hole 23; the second puncture hole 31 is communicated with the second guide groove 32 and the second needle withdrawal hole 33. The first guide groove 22 and the second guide groove 32 have the same width as the first guide member and the second guide member.
In the actual operation process, after the puncture needle is inserted into a human body, the guide plate is taken down, and the needle tail at the end part of the puncture needle smoothly passes through the guide plate through the guide groove and the hole withdrawing hole.
As a preferable scheme of the embodiment, the first guide hole and the second guide hole comprise three circles which are connected in a circumscribed mode.
The included angles of the first puncture guide piece, the second puncture guide piece and the guide plate main body are 15-90 degrees. The included angle between the puncture guide piece and the guide plate main body is adjusted according to the specific conditions of the body shape, focus position and the like of a patient. For example 45 degrees, 60 degrees, 90 degrees, etc.
The first guide hole 2 and the first penetrating guide piece 4 form a first penetrating channel, the second guide hole 3 and the second penetrating guide piece 5 form a second penetrating channel, and the lengths of the first penetrating channel and the second penetrating channel are greater than or equal to 10mm. In the actual surgical procedure, the puncture needle is inserted through the guide hole from one side of the puncture guide into the lesion of the human body.
The first and second puncture channels have an inner diameter of greater than 1.2mm and less than 1.5mm, such as 1.3.
The thickness of the guide plate main body is 3-10mm.
The dimensions of the guide plate body are not greater than 20cm by 20cm.
The body surface positioning device can be matched with a marking component for use. The marking component comprises a plurality of thin slices with the same shape, and each thin slice is connected with the adjacent thin slice through an external arc; and the three positioning holes on the positioning plate guide plate are matched with the body surface marking assembly in the position of the body surface.
The shape of the sheet can be circular, three-angle, quadrilateral, pentagonal, hexagonal, etc.; the dimensions of the flakes are not critical, as in the case of round shapes, the diameter is generally 5-10mm; the material of the thin sheet can be metal or other materials which can be developed under the influence of CT, such as bone-like materials and the like.
The method for positioning the puncture site by using the positioning device comprises the following steps:
the first step, marking the position of a focus by using a marker according to the focus approximate area determined by a doctor;
firstly, according to the approximate focus area determined by a doctor, 3 points which are not on a straight line are arbitrarily selected as reference points at the edge of the area by using a marker pen or other similar marking materials, and marking is carried out;
secondly, fixing the body surface marking assembly in the marking area in an adhesive mode, and then shooting CT; determining the mark position;
and thirdly, removing the body surface marking assembly, fixing the positioning guide plate on the body surface, enabling the positioning holes on the positioning guide plate to be matched with the marks left on the body surface by the body surface marking assembly, forming three-dimensional model data by using the positioning data of the positioning plate, and determining the surgical puncture points according to the positioning principle.
Specifically, taking a kidney disease puncture point determination as an example, in the third step, any software capable of reconstructing a CT image into a 3D model is used for searching a kidney cup reconstructed in the 3D model, the goal is a lower cup and a middle and rear cup, the central point of the target cup is taken as a puncture target point 1, the puncture target point 2 is a kidney nipple corresponding to the cup, a line is generated to penetrate through the puncture target points 1 and 2, the line is required to penetrate through the target point, the diameter of the line is 1-2mm, the line is required to be parallel to a cup neck and can not intersect the cup neck, and the point at which the reverse extension line of the line intersects with the body surface is the body surface puncture point.
In the longitudinal position of the body, 1-2 additional puncture channels can be respectively arranged above and below the puncture line, and the requirements are consistent. Thus, puncture errors caused by up-and-down displacement of the kidney along with respiration can be effectively avoided.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. The body surface positioning device is characterized by comprising a positioning guide plate, wherein one side of the positioning guide plate is attached to the skin of a human body, the positioning guide plate comprises a guide plate main body, a first guide hole, a second guide hole, a first puncture guide piece and a second puncture guide piece are arranged on the guide plate main body, the first puncture guide piece and the second puncture guide piece correspond to the first guide hole and the second guide hole respectively, and the first puncture guide piece and the second puncture guide piece are arranged on one side far away from the guide plate main body and attached to the skin of the human body; the included angles of the first puncture guide piece, the second puncture guide piece and the guide plate main body are 15-90 degrees;
the first guide hole and the second guide hole comprise round through holes formed by three circles which are externally connected, the first guide hole comprises a first puncture hole, a first guide groove and a first pin withdrawal hole, the second guide hole comprises a second puncture hole, a second guide groove and a second pin withdrawal hole, and the first puncture hole is communicated with the first guide groove and the first pin withdrawal hole; the second puncture hole is communicated with the second guide groove and the second needle withdrawing hole;
at least three positioning holes are formed in the guide plate main body;
the positioning device also comprises a marking assembly, wherein the marking assembly comprises a plurality of thin slices with the same shape, and each thin slice is connected with the adjacent thin slice through an external arc; at least three positioning holes on the positioning guide plate are respectively matched with the positions of the body surface marking components on the body surface;
the first guide hole and the first puncture guide piece form a first puncture channel, the second guide hole and the second puncture guide piece form a second puncture channel, and the lengths of the first puncture channel and the second puncture channel are more than or equal to 10mm;
the inner diameters of the first puncture channel and the second puncture channel are larger than 1.2mm and smaller than 1.5mm;
the first puncture holes are three, and the second puncture holes are three.
2. The body surface positioning device of claim 1, wherein the thickness of the guide plate body is 3-10mm.
3. The body surface positioning device of claim 1, wherein the guide body has dimensions no greater than 20cm x 20cm.
4. The body surface positioning device of claim 1 wherein the sheet is 1-2mm thick in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371367.4A CN113509243B (en) | 2021-04-07 | 2021-04-07 | Body surface positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371367.4A CN113509243B (en) | 2021-04-07 | 2021-04-07 | Body surface positioning device |
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| CN113509243A CN113509243A (en) | 2021-10-19 |
| CN113509243B true CN113509243B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110371367.4A Active CN113509243B (en) | 2021-04-07 | 2021-04-07 | Body surface positioning device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206836971U (en) * | 2016-08-18 | 2018-01-05 | 首都医科大学附属北京地坛医院 | With reference to the percutaneous navigation guide plate of body position fixing device |
| CN108078622A (en) * | 2018-02-09 | 2018-05-29 | 陕西东望科技有限公司 | It is a kind of to take root in the percutaneous guide plate used nail art suitable for vertebral arch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309839Y (en) * | 1997-04-28 | 1999-03-10 | 钟炳安 | Venipuncture guiding device |
| DE102016209074A1 (en) * | 2016-05-25 | 2017-11-30 | Medical Templates Ag | A method of planning an intracorporeal location of a medical needle unit to be percutaneously introduced to a patient |
| CN207979745U (en) * | 2017-05-05 | 2018-10-19 | 青岛市城阳区人民医院 | Foramen intervertebrale lens puncture guiding die plate |
| CN211460434U (en) * | 2019-12-12 | 2020-09-11 | 上海交通大学医学院附属第九人民医院 | Percutaneous tissue puncture guide plate |
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2021
- 2021-04-07 CN CN202110371367.4A patent/CN113509243B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206836971U (en) * | 2016-08-18 | 2018-01-05 | 首都医科大学附属北京地坛医院 | With reference to the percutaneous navigation guide plate of body position fixing device |
| CN108078622A (en) * | 2018-02-09 | 2018-05-29 | 陕西东望科技有限公司 | It is a kind of to take root in the percutaneous guide plate used nail art suitable for vertebral arch |
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| CN113509243A (en) | 2021-10-19 |
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