Fan-shaped laser puncture guiding device for ultrasonic probe

By using a laser mechanism to present a guiding straight line on the skin, the problems of unclear positioning, easy deviation of needle insertion angle, and unclear puncture path during ultrasound-guided puncture are solved, thus improving puncture efficiency.

CN223640802UActive Publication Date: 2025-12-09BAODING HOSPITAL BEIJING CHILDRENS HOSPITAL CAPITAL MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202422867078.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-12-09
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

In existing technologies, ultrasound-guided positioning of styes results in unclear needle insertion angles and puncture paths, affecting puncture efficiency.

Method used

In the ultrasonic probe fan-shaped laser puncture guiding device, the laser mechanism presents a guiding straight line, and the plane of the center line of the device is visible as needed. Rotating the knob and the lead screw causes the positioning blocks on both sides of the laser mechanism to be engaged into the device body, which is convenient for the staff to disassemble and assemble the device. This solves the problem in the existing technology where the top of the laser mechanism has a knob that works with the first lead screw to cause the positioning blocks on both sides of the laser mechanism to be engaged into the device body, which is convenient for the staff to disassemble and assemble the device.

Benefits of technology

The laser mechanism presents a guide line on the skin, and the plane of the device's center line is visible as needed, making it easy for staff to assemble and disassemble the laser device.

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    Figure CN223640802U_ABST
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Abstract

The utility model relates to the field of puncture guiding devices, in particular to an ultrasonic probe fan-shaped laser puncture guiding device which comprises a device body, a mounting seat is arranged at the top end of the device body, a laser mechanism is arranged at the top end of the mounting seat, a mounting groove is formed in the position, located on the inner side of the mounting seat, below the laser mechanism, and the bottom end of the laser mechanism is inserted into the inner side of the mounting groove. A knob is arranged at the top end of the laser mechanism, and positioning blocks are arranged on the two sides of the laser mechanism on the two sides of the knob; a guide straight line is presented on the skin through the laser mechanism, in the aspect of spatial representation, the center line plane of the device presents a visible plane according to needs, the visible plane and the skin guide line are located on the same plane, and therefore the needle inserting angle and direction are determined from the two-dimensional level, and a rotary knob is arranged at the top end of the laser mechanism. And a rotary knob is matched with a first screw rod, so that one ends of positioning blocks on the two sides of the laser mechanism are clamped into the device body, and a worker can conveniently disassemble and assemble the laser mechanism and the device body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to puncture guiding device technical field especially relates to ultrasonic probe fan shape laser puncture guiding device. BACKGROUND

[0002] The venipuncture is the most common puncture process in medical treatment, the central venous catheter (CVC) is the catheter through the skin puncture into the central vein, mainly through the internal jugular vein, subclavian vein, femoral vein and the catheter is inserted into the superior and inferior vena cava and remains, similarly, the peripherally inserted central catheter (PICC) has developed into a safe and effective catheterization technology, with its obvious advantages, it is widely used in clinical, provides a painless infusion channel for long-term intravenous infusion, especially for tumor chemotherapy, intravenous nutrition and other patients, CVC or PICC can provide direct and convenient intravenous access for various treatments, and can also be used to measure various physiological parameters, and is suitable for departments such as anesthesiology department, emergency department, intensive care unit (ICU), surgery department, internal medicine department, thoracic surgery department or vascular surgery department, etc.

[0003] And at present, using ultrasound for tissue biopsy, especially venipuncture, a point is presented under ultrasound, and a line cannot be determined, the method often used is to mark two points with a MARK pen to determine a straight line, and then puncture, this way, the operation steps are more, the aseptic operation is not strict, and serious puncture complications may be caused. Or when using the in-plane needle insertion method, the plane of needle insertion and the plane of the probe are prone to angle, which leads to puncture failure. Increase puncture complications, cause unnecessary medical disputes.

[0004] Therefore, in view of the above-mentioned problems of existing ultrasound for tissue biopsy, especially venipuncture, the ultrasound guiding and positioning is ambiguous, the needle insertion angle is prone to deviation, and the puncture path is not clear, which affects the puncture efficiency, therefore, the ultrasonic probe fan shape laser puncture guiding device can be designed, a guiding straight line is presented on the skin by the laser mechanism, in space, the device center line plane presents a visible plane according to the need, and the skin guiding line is in a plane, so that the needle insertion angle and direction are determined from the two-dimensional level, and the top end of the laser mechanism is provided with a knob, and then the one end of the positioning block on both sides of the laser mechanism is clamped into the device body by rotating the knob and cooperating with the first lead screw, which facilitates the disassembly and assembly of the laser mechanism and the device body by the staff. SUMMARY

[0005] In order to overcome the problems of existing ultrasound for tissue biopsy, especially venipuncture, the ultrasound guiding and positioning is ambiguous, the needle insertion angle is prone to deviation, and the puncture path is not clear, which affects the puncture efficiency.

[0006] The utility model discloses a technical scheme for an ultrasonic probe fan-shaped laser puncture guiding device, which comprises a device body, a mounting seat arranged at the top end of the device body, a laser mechanism arranged at the top end of the mounting seat, an installation groove arranged at the inner side of the mounting seat below the laser mechanism, the bottom end of the laser mechanism being inserted into the inner side of the installation groove, a knob arranged at the top end of the laser mechanism, positioning blocks arranged at the two sides of the laser mechanism, a positioning groove arranged at the inner side of the installation groove at one end of the positioning blocks, and the other end of the positioning blocks extending into the inner side of the positioning groove.

[0007] Preferably, the laser mechanism presents a guiding straight line on the skin, and in space, the device middle line plane presents a visible plane as needed and is in the same plane with the skin guiding line, so that the needle insertion angle and direction are determined from the two-dimensional level, and the top end of the laser mechanism is provided with a knob, and the other end of the positioning blocks on the two sides of the laser mechanism is clamped into the device body by rotating the knob and cooperating with the first screw rod, thereby facilitating the disassembly and assembly of the laser mechanism and the device body by the staff.

[0008] Preferably, the device body and the mounting seat are an integral structure, the shape of the installation groove is consistent with the shape of the bottom end of the laser mechanism, and the laser mechanism is connected with the mounting seat through the installation groove.

[0009] Preferably, the laser mechanism comprises an ultrasonic probe and a laser emitter, the rear end of the device body is provided with a connecting power cord, and the laser mechanism is electrically connected with the device body.

[0010] Preferably, the first screw rod is arranged at the inner side of the laser mechanism below the knob, and the two ends of the first screw rod extend to the inner wall of the laser mechanism through the two positioning blocks respectively.

[0011] Preferably, the positioning block is an L-shaped protrusion, the inner side of the positioning groove at one end of the positioning block is provided with a limiting groove, and the other end of the positioning block extends into the inner side of the limiting groove.

[0012] Preferably, the bottom end of the knob is provided with a transmission rod, the bottom end of the transmission rod extends to the upper side of the first screw rod through the laser mechanism, the intersection of the transmission rod and the first screw rod is provided with a bevel gear, and the transmission rod and the first screw rod are connected through the bevel gear.

[0013] Preferably, the first screw rod is a double-thread screw rod, the threads at the two ends of the first screw rod are symmetrical about the first screw rod, and the first screw rod is engaged with the two positioning blocks.

[0014] The utility model discloses the beneficial effect:

[0015] The laser mechanism presents a guide straight line on the skin, in the space performance: the device middle line plane presents a visible plane according to the need, and is in a plane with the skin guide line, so that the needle insertion angle and direction are determined from the two-dimensional level, and the top end of the laser mechanism is provided with a knob, and then the one end of the positioning block on both sides of the laser mechanism is clamped into the device body by rotating the knob and cooperating with the first lead screw, so that the staff can disassemble and assemble the laser mechanism and the device body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The whole structure schematic view of the utility model is shown;

[0017] Figure 2 The structure schematic view of the laser mechanism of the utility model is shown;

[0018] Figure 3 The structure schematic view of the mounting seat of the utility model is shown;

[0019] Figure 4 The internal structure schematic view of the laser mechanism of the utility model is shown.

[0020] The reference signs are explained as follows: 1, device body; 2, mounting groove; 3, mounting seat; 4, laser mechanism; 5, knob; 6, positioning block; 7, positioning groove; 8, limiting groove; 9, transmission rod; 10, first lead screw; 11, bevel gear. DETAILED DESCRIPTION

[0021] The utility model is further explained in combination with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: the ultrasonic probe fan-shaped laser puncture guiding device, including device body 1, the top of device body 1 is equipped with mounting seat 3, the top of mounting seat 3 is equipped with laser mechanism 4, laser mechanism 4 includes ultrasonic probe and laser emitter, the rear end of device body 1 is equipped with connecting power cord, laser mechanism 4 and device body 1 are electrically connected, and then when using device body 1, marking is carried out by laser mechanism 4;

[0023] Please refer to Figures 2-3 In the embodiment, the lower side of laser mechanism 4 is located in the inner side of mounting seat 3 and is equipped with mounting groove 2, device body 1 and mounting seat 3 are integrated structures, the shape of mounting groove 2 is consistent with the bottom end shape of laser mechanism 4, laser mechanism 4 is connected with mounting seat 3 through mounting groove 2, and then positioning is carried out when laser mechanism 4 is connected with device body 1;

[0024] Please refer to Figures 2-4In the embodiment, the bottom end of the laser mechanism 4 is inserted into the inner side of the mounting groove 2, the top end of the laser mechanism 4 is provided with a knob 5, the two sides of the knob 5 are provided with positioning blocks 6 on the two sides of the laser mechanism 4, one end of the positioning block 6 is provided with a positioning groove 7 on the inner side of the mounting groove 2, one end of the positioning block 6 extends to the inner side of the positioning groove 7, the lower side of the knob 5 is provided with a first lead screw 10 on the inner side of the laser mechanism 4, the two ends of the first lead screw 10 extend to the inner wall of the laser mechanism 4 through the two positioning blocks 6 respectively, the positioning block 6 is an L-shaped lug, one end of the positioning block 6 is provided with a limiting groove 8 on the inner side of the positioning groove 7, one end of the positioning block 6 extends to the inner side of the limiting groove 8, the bottom end of the knob 5 is provided with a transmission rod 9, the bottom end of the transmission rod 9 extends to the upper side of the first lead screw 10 through the laser mechanism 4, the intersection of the transmission rod 9 and the first lead screw 10 is provided with a bevel gear 11, the transmission rod 9 and the first lead screw 10 are drivingly connected through the bevel gear 11, the first lead screw 10 is a double-thread lead screw, the threads at the two ends of the first lead screw 10 are symmetrical about the first lead screw 10, the first lead screw 10 is engaged with the two positioning blocks 6, and then the knob 5 is rotated to drive the first lead screw 10 to rotate through the transmission rod 9, and since the first lead screw 10 is engaged with the two positioning blocks 6, one end of the positioning block 6 is provided with a limiting groove 8 on the inner side of the positioning groove 7, and then when the first lead screw 10 rotates, one end of the two positioning blocks 6 is clamped into the limiting groove 8 in the positioning groove 7, so as to facilitate the staff to disassemble and assemble the laser mechanism 4 and the device body 1.

[0025] When working, the power is turned on, the device is started, the laser mechanism 4 is provided at the top end of the device body 1, the laser mechanism 4 comprises an ultrasonic probe and a laser emitter, and then a guide straight line is presented on the skin, which is expressed in space as: the device center line plane presents a visible plane as needed, and is in the same plane with the skin guide line, so as to determine the needle insertion angle and direction from the two-dimensional level, and the top end of the laser mechanism 4 is provided with a knob 5, the two sides of the knob 5 are provided with positioning blocks 6 on the two sides of the laser mechanism 4, and then the knob 5 is rotated to drive the first lead screw 10 to rotate through the transmission rod 9, and since the first lead screw 10 is engaged with the two positioning blocks 6, one end of the positioning block 6 is provided with a limiting groove 8 on the inner side of the positioning groove 7, and then when the first lead screw 10 rotates, one end of the two positioning blocks 6 is clamped into the limiting groove 8 in the positioning groove 7, so as to facilitate the staff to disassemble and assemble the laser mechanism 4 and the device body 1.

[0026] Through the above steps, a guide straight line is presented on the skin by the laser mechanism 4, which is spatially expressed as: the device middle line plane presents a visible plane as needed, and is in a plane with the skin guide line, so as to determine the needle insertion angle and direction from the two-dimensional level, and the top end of the laser mechanism 4 is provided with a knob 5, and then the one end of the positioning block 6 on both sides of the laser mechanism 4 is clamped into the device body 1 by rotating the knob 5 and cooperating with the first lead screw 10, so as to facilitate the staff to disassemble and assemble the laser mechanism 4 and the device body 1, and solve the problems that the existing ultrasound tissue biopsy, especially the arteriovenous puncture, has a fuzzy ultrasound guided positioning, the needle insertion angle is easy to deviate, the puncture path is not clear, and the puncture efficiency is affected.

Claims

1. An ultrasonic probe fan-shaped laser puncture guiding device, comprising a device body (1); characterized in that: The top end of the device body (1) is provided with a mounting seat (3), the top end of the mounting seat (3) is provided with a laser mechanism (4), the lower side of the laser mechanism (4) is provided with a mounting groove (2) on the inner side of the mounting seat (3), the bottom end of the laser mechanism (4) is inserted into the inner side of the mounting groove (2), the top end of the laser mechanism (4) is provided with a knob (5), both sides of the knob (5) are provided with a positioning block (6) on both sides of the laser mechanism (4), one end of the positioning block (6) is provided with a positioning groove (7) on the inner side of the mounting groove (2), and one end of the positioning block (6) extends to the inner side of the positioning groove (7).

2. The ultrasound probe fan laser puncture guiding device according to claim 1, characterized in that: The device body (1) and the mounting seat (3) are an integral structure, the shape of the mounting groove (2) is consistent with the shape of the bottom end of the laser mechanism (4), and the laser mechanism (4) is connected with the mounting seat (3) through the mounting groove (2).

3. The ultrasound probe fan laser puncture guiding device according to claim 1, characterized in that: The laser mechanism (4) comprises an ultrasonic probe and a laser emitter, the rear end of the device body (1) is provided with a connecting power cord, and the laser mechanism (4) is electrically connected with the device body (1).

4. The ultrasound probe fan laser puncture guiding device according to claim 1, characterized in that: The lower side of the knob (5) is provided with a first lead screw (10) on the inner side of the laser mechanism (4), and the two ends of the first lead screw (10) extend to the inner wall of the laser mechanism (4) through the two positioning blocks (6) respectively.

5. The ultrasound probe fan laser puncture guiding device according to claim 1, characterized in that: The positioning block (6) is an L-shaped protrusion, one end of the positioning block (6) is provided with a limiting groove (8) on the inner side of the positioning groove (7), and one end of the positioning block (6) extends to the inner side of the limiting groove (8).

6. The ultrasound probe fan laser puncture guiding device according to claim 1, characterized in that: The bottom end of the knob (5) is provided with a transmission rod (9), the bottom end of the transmission rod (9) extends to the upper side of the first lead screw (10) through the laser mechanism (4), and the intersection of the transmission rod (9) and the first lead screw (10) is provided with a bevel gear (11), and the transmission rod (9) and the first lead screw (10) are drivingly connected through the bevel gear (11).

7. The ultrasound probe fan laser puncture guiding device according to claim 1, characterized in that: The first lead screw (10) is a double-thread lead screw, the threads at the two ends of the first lead screw (10) are symmetrical about the first lead screw (10), and the first lead screw (10) is engaged with the two positioning blocks (6).