CN211534555U

CN211534555U - Positioning device for accurate puncture

Info

Publication number: CN211534555U
Application number: CN202020213483.4U
Authority: CN
Inventors: 王昊
Original assignee: Qingdao Municipal Hospital
Current assignee: Qingdao Municipal Hospital
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-09-22
Anticipated expiration: 2030-02-17

Abstract

The utility model provides a positioner of accurate puncture belongs to medical instrument technical field. This positioner, including solid fixed ring, the one end of solid fixed ring's inner wall one side fixed connection locating strip, the outer wall of the other end fixed connection holding ring of locating strip, the inside of locating strip is provided with the metal wire, the top fixedly connected with fluorescence fibre layer of locating strip, the bottom fixedly connected with of locating strip glues glutinous layer, and CT equipment fixes a position the device through the metal wire, thereby mixed reality glasses are through fixing a position the fluorescence fibre layer reinforcing and the integration precision of CT equipment scanning picture, paste the positioner on patient puncture point and near skin and can follow the motion of patient's skin to the positioner who makes accurate puncture realizes that mixed reality glasses and CT scanning picture improve the respiratory motion that the integration process precision is high and can rectify the patient, and the image fusion precision can satisfy medical need's effect.

Description

Positioning device for accurate puncture

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a positioner of accurate puncture.

Background

The existing CT guided puncture technology is a non-vascular interventional technology which obtains pathological specimens by performing percutaneous puncture on all parts of the body (target focus) under the guidance of CT to finally obtain pathological diagnosis, and because CT can clearly display the size, the form, the position and the necrotic cavity area of lesion and can clearly display the good anatomical relationship with adjacent blood vessels, nerves and the like, the needle insertion part, the angle and the depth can be accurately determined, the blood vessels, the nerves, the spinal cords and the like are prevented from being damaged, so that the safety, the success rate and the pathological accuracy rate of interventional operation are greatly improved, and the defects are as follows: the CT guided puncture is performed after the CT is positioned, and then the puncture is performed in different time, so if the lesion is small or the experience is insufficient, the lesion is not punctured into a target focus to obtain a representative tissue, an accurate conclusion is difficult to obtain, the condition that the puncture needle is inserted into the target focus can not be seen in real time, important structures are easily damaged, the bleeding risk is increased, even air embolism is caused, and the life of a patient is endangered.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a positioner of accurate puncture through design positioner and increase metal wire and fluorescence fibre layer in the device, has solved and has fused the low respiratory motion that can not rectify the patient of process precision among the current mixed reality technique, and the image fuses the problem that the precision can not satisfy medical need.

The utility model discloses a realize like this:

the utility model provides a positioner of accurate puncture, includes solid fixed ring, the one end of solid fixed ring's inner wall one side fixed connection location strip, the outer wall of the other end fixed connection holding ring of location strip, the inside of location strip is provided with the metal wire, the top fixedly connected with fluorescence fibre layer of location strip, the bottom fixedly connected with of location strip glues glutinous layer.

In an embodiment of the present invention, the fixing ring and the top and the bottom of the positioning ring are respectively and fixedly connected with the fluorescent fiber layer and the adhesive layer, the positioning ring is hollow, and the positioning ring is used for the puncture needle to puncture through.

In an embodiment of the present invention, the inner portion of the positioning ring is provided with a metal wire, and the metal wire is in the inner portion of the positioning ring forms a closed circular ring.

In an embodiment of the present invention, the number of the positioning strips is eight, and the included angle between the adjacent positioning strips is forty-five degrees.

The utility model discloses an in one embodiment, the inside metal wire's that sets up of location strip axle center with the coincidence of the axle center of location strip, just the inside metal wire's that sets up of location strip one end with the metal wire fixed connection that sets up of the inside of holding ring.

In an embodiment of the present invention, the positioning ring is used for puncturing by needle puncture.

In an embodiment of the present invention, the axis of the fluorescent fiber layer and the axis of the metal wire are located on the same plane

The utility model has the advantages that: the utility model discloses a positioner of accurate puncture that obtains through above-mentioned design, the location strip sets up between solid fixed ring and holding ring, the metal wire sets up in the inside of location strip and holding ring, fluorescence fibre layer and gluing layer set up respectively in the top and the bottom of solid fixed ring, location strip and holding ring, paste positioner on patient's point of puncture and near skin, CT equipment advances line location to the device through the metal wire, mixed reality glasses are through advancing line location to fluorescence fibre layer thereby reinforcing and CT equipment scanning frame's integration precision, the positioner who pastes on patient's point of puncture and near skin can follow the motion of patient's skin, thereby make the positioner of accurate puncture realize mixing reality glasses and CT scanning picture and improve that the integration process precision is high and can rectify patient's respiratory motion, the image fusion precision can satisfy the effect of medical requirement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic top view of a positioning device according to an embodiment of the present invention;

fig. 2 is a schematic view of a bottom structure of a positioning device according to an embodiment of the present invention;

fig. 3 is a schematic side view of a positioning strip according to an embodiment of the present invention;

fig. 4 is a schematic view of a positioning device of the present invention in a top-down structure.

In the figure: 1-a fixed ring; 2-positioning strips; 3-a positioning ring; 4-a metal wire; 5-fluorescent fibers; 6-adhesive layer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a positioning device for accurate puncture comprises a fixing ring 1, one end of a positioning strip 2 is fixedly connected to one side of the inner wall of the fixing ring 1, the other end of the positioning strip 2 is fixedly connected with the outer wall of a positioning ring 3, the number of the positioning strips 2 is eight, the included angle between every two adjacent positioning strips 2 is forty-five degrees, a metal wire 4 is arranged inside each positioning strip 2, the metal wire 4 is used for positioning the positioning device in CT equipment scanning, a metal wire 4 is arranged inside each positioning ring 3, the metal wire 4 forms a closed circular ring inside each positioning ring 3, a puncture needle punctures into the body of a patient through the center of the circular ring to perform living body sampling, the axis of the metal wire 4 arranged inside each positioning strip 2 is superposed with the axis of the corresponding positioning strip 2, one end of the metal wire 4 arranged inside each positioning strip 2 is fixedly connected with the metal wire 4 arranged inside each positioning ring 3, a fluorescent fiber layer 5 is fixedly connected to the top of each positioning strip 2, fluorescence fibre layer 5 can reflect the fluorescence of hi-lite under ultraviolet light, the axle center of fluorescence fibre layer 5 is located the coplanar with the axle center of wire 4, mix reality glasses fix a position the positioner through catching the fluorescence that fluorescence fibre layer 5 reflects, gu fixed ring 1 and holding ring 3's top and bottom respectively fixedly connected with fluorescence fibre layer 5 with glue glutinous layer 6, holding ring 3 is the cavity form, holding ring 3 is used for the pjncture needle puncture to puncture and passes through, glue glutinous layer 6 and paste the skin surface that needs pierce at the patient, follow the motion of patient skin when the patient breathes, thereby make the positioner of accurate puncture realize improving mix reality glasses and CT scan the picture and fuse the process precision height and can rectify patient's respiratory motion, the image fusion precision can satisfy the effect of medical need.

Specifically, this positioner of accurate puncture's theory of operation: the positioning strip 2 is arranged between the fixing ring 1 and the positioning ring 3, the metal wire 4 is arranged inside the positioning strip 2 and the positioning ring 3, the fluorescent fiber layer 5 and the sticky layer 6 are respectively arranged at the top and the bottom of the fixing ring 1, the positioning strip 2 and the positioning ring 3, a patient takes off any jewelry or other articles which interfere with operation and is changed into a hospital gown, receives CT scanning, positions a required biopsy part and the safest operation access, marks the part to be punctured on the skin of the patient by using a marking pen once the position of a tumor is determined, a doctor cleans the skin of the biopsy part by using a disinfectant, the patient needs to keep calm when injecting local anesthetic, avoids cough and needs to hold breath for a plurality of times for anesthesia, after the anesthesia is completed, the part to be punctured in a sterile hole area is attached with a positioning device, CT scanning is carried out again, the CT scanning device and a mixed reality glasses device respectively position the metal wire 4 and the fluorescent fiber layer 5, the mixed reality glasses device carries out high-precision fusion on the positioning of the fluorescent fiber layer 5 and the picture of CT scanning, the three-dimensional structure image generated by the CT scanning is accurately positioned, the perspective effect is generated in the visual field of an operator through the mixed reality glasses device, thereby guiding accurate puncture, the positioning device pasted on the puncture point and the nearby skin of the patient can move along with the movement of the skin of the patient, the mixed reality glasses device always keeps high-precision fusion with the picture of CT scanning by capturing the fluorescent fiber layer 5, a doctor inserts the biopsy needle into the target focus position through the positioning ring 3 according to the accurate guide of the mixed reality device to collect the sample of abnormal tissue, thereby make the positioner of accurate puncture realize improving mixed reality glasses and CT scanning picture and fuse the process precision height and can rectify patient's respiratory motion, the image fuses the effect that the precision can satisfy medical need.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a positioner of accurate puncture, its characterized in that, includes solid fixed ring (1), the one end of the inner wall one side fixed connection location strip (2) of solid fixed ring (1), the outer wall of the other end fixed connection holding ring (3) of location strip (2), the inside of location strip (2) is provided with metal wire (4), the top fixedly connected with fluorescence fiber layer (5) of location strip (2), the bottom fixedly connected with of location strip (2) glues glutinous layer (6).

2. The positioning device for precise puncture according to claim 1, wherein the top and the bottom of the fixing ring (1) and the positioning ring (3) are fixedly connected with the fluorescent fiber layer (5) and the adhesive layer (6), respectively, the positioning ring (3) is hollow, and the positioning ring (3) is used for puncture of a puncture needle to pass through.

3. A precision puncture positioning device according to claim 1, characterized in that the positioning ring (3) is provided with a wire (4) inside, and the wire (4) forms a closed ring inside the positioning ring (3).

4. A precision puncture positioning device according to claim 1, wherein the number of the positioning bars (2) is eight, and the included angle between adjacent positioning bars (2) is forty-five degrees.

5. The positioning device for precise puncture according to claim 1, wherein the axis of the metal wire (4) disposed inside the positioning strip (2) coincides with the axis of the positioning strip (2), and one end of the metal wire (4) disposed inside the positioning strip (2) is fixedly connected with the metal wire (4) disposed inside the positioning ring (3).

6. A precise puncture positioning device according to claim 1, wherein the axis of the fluorescent fiber layer (5) and the axis of the metal wire (4) are located on the same plane.