Percutaneous puncture positioning guider

Abstract

The utility model relates to the technical field of positioning and guiding devices, and discloses a percutaneous puncture positioning and guiding device which comprises a needle guiding cylinder, an adjusting assembly is connected to the surface of the needle guiding cylinder in a sleeved mode, a supporting assembly is connected to the middle of the needle guiding cylinder in a sleeved mode, and a suction cup assembly is rotationally connected to the bottom face of the supporting assembly. One end of the needle guide cylinder is connected with a connecting pipe in a penetrating mode, and a concave hole is formed in the surface of the connecting pipe. According to the percutaneous puncture positioning guide device, through the arrangement of the adjusting assembly and the angle measuring assembly, when the percutaneous puncture positioning guide device is used, according to the depth and angle of the position, needing to be punctured, of a patient, an abutting column is screwed, a fixing ring is loosened, the position of the fixing ring on a needle guide cylinder is moved, the position is determined, the abutting column is screwed, the needle guide cylinder is rotated, and the angle between the needle guide cylinder and an angle measuring plate is observed; therefore, medical staff can be assisted in determining the puncture angle and depth, and the situation that due to different body types of patients, the puncture depth and the puncture angle are different, and the correctness of the puncture angle and depth is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning guides, in particular to a percutaneous puncture positioning guide. Background Art

[0002] Positioning guides are commonly used for diagnosis, treatment and sampling of the heart, lungs, kidneys and blood vessels. They are generally composed of guide wires, catheters and puncture needles. The puncture needle is the most commonly used tool, which is used to pierce the skin and introduce the guide wire and catheter. The guide wire is usually a thin metal wire used to guide and stabilize the insertion of the catheter. In order to ensure that the puncture device can reach the target site correctly, we propose a percutaneous puncture positioning guide to solve this problem.

[0003] The extracorporeal circulation percutaneous puncture guide device disclosed in the publication number CN2719231Y does not require the heart or large blood vessels to be cut open, and the extracorporeal circulation is guided by percutaneous puncture. The operation is small, simple and fast, especially for emergency patients, who can get timely rescue and suffer less pain.

[0004] However, the extracorporeal circulation percutaneous puncture guide device has the following disadvantages: when the extracorporeal circulation percutaneous puncture guide device is used, during the puncture process, it is impossible to accurately determine the puncture angle position, which is not convenient for improving accuracy. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The technical problem solved by the utility model is to provide a percutaneous puncture positioning guide which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem raised in the above-mentioned background technology that during the puncture process, it is impossible to accurately determine the angle position of the puncture, which makes it difficult to improve the accuracy.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a percutaneous puncture positioning guide, including a needle guide cylinder, the surface of the needle guide cylinder is sleeved with an adjustment component, the middle part of the needle guide cylinder is sleeved with a support component, the bottom surface of the support component is rotatably connected to a suction cup component, one end of the needle guide cylinder is penetrated and connected to a connecting tube, the surface of the connecting tube is provided with a concave hole, the interior of the concave hole is rotatably connected to an angle measuring component, and both sides of the connecting tube are fixedly connected to grip rings.

[0009] As a further solution of the utility model, the adjustment assembly includes a fixing ring sleeved on the surface of the guide needle tube, the surface of the fixing ring is provided with a through hole, the internal thread of the through hole is connected to a pressure column, one end of the pressure column is fixedly connected to a pressure plate, and the pressure plate is convenient for fixing the position.

[0010] As a further solution of the utility model, the support assembly includes a ring that is sleeved on the middle part of the guide needle tube, a limiting hole is provided on the surface of the ring, the internal thread of the limiting hole is connected to the limiting column, and the bottom surface of the ring is rotatably connected to a support rod, which plays a supporting role.

[0011] As a further solution of the utility model, the suction cup assembly includes a connecting piece rotatably connected to the bottom surface of the supporting assembly, and the bottom surface of the connecting piece is fixedly connected to the suction cup, which plays a fixing role.

[0012] As a further solution of the utility model, the protractor assembly includes a rotating column rotatably connected to the inside of the recessed hole, the surface of the rotating column is rotatably connected to an angle plate, the edge of the rotating column surface is rotatably connected to a pointer, and the angle plate facilitates determination of the puncture angle.

[0013] As a further solution of the utility model, the surface of the needle guide tube is engraved with scale lines, and the top surface of the connecting tube is fixedly connected with a connecting block, and the scale lines facilitate determination of the insertion depth.

[0014] (III) Beneficial effects

[0015] The utility model provides a percutaneous puncture positioning guide, which has the following beneficial effects:

[0016] 1. The percutaneous puncture positioning guide, through the settings of the adjustment component and the protractor component, when in use, according to the depth and angle of the puncture position required by the patient, the pressure column is twisted to loosen the fixing ring, the fixing ring is moved to the position of the guide needle tube, the position is determined, the pressure column is tightened, the guide needle tube is rotated, the angle with the protractor plate is observed, and the angle of entry is determined, thereby assisting medical staff to determine the puncture angle and depth, and avoiding the difference in puncture depth and puncture angle due to different body shapes of patients, which affects the correctness of the puncture angle and depth.

[0017] 2. The percutaneous puncture positioning guide, through the setting of the support component and the suction cup component, when in use, the guide needle tube has entered the target part of the patient that needs puncture, the position of the ring is moved, the support rod is rotated, the support angle is determined, the suction cup is sucked on the surface of the human body, and the position of the guide needle tube is fixed to prevent the guide needle tube from being suspended in the air and shaking left and right, which affects the puncture effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the angle measuring component of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0021] Figure 4 This is a schematic diagram of the support assembly structure of the utility model.

[0022] In the figure: 1. needle guide cylinder; 2. adjustment assembly; 201. fixing ring; 202. pressure column; 203. pressure plate; 3. support assembly; 301. collar; 302. limit column; 303. support rod; 4. suction cup assembly; 401. connecting plate; 402. suction cup; 5. connecting tube; 6. protractor assembly; 601. rotating column; 602. protractor plate; 603. pointer; 7. grip ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4 The utility model provides a technical solution: a percutaneous puncture positioning guide, including a needle guide cylinder 1, the surface of the needle guide cylinder 1 is sleeved with an adjustment component 2, through the arrangement of the adjustment component 2 and the angle measuring component 6, when in use, according to the depth and angle of the puncture position required by the patient, the pressing column 202 is twisted to loosen the fixing ring 201, the fixing ring 201 is moved to the position of the needle guide cylinder 1, the position is determined, the pressing column 202 is tightened, the needle guide cylinder 1 is rotated, the angle with the angle measuring plate 602 is observed, and the entry angle is determined, so as to assist medical staff in determining the puncture angle and depth, and avoid the puncture depth and puncture angle being different due to different body shapes of patients, which affects the puncture angle To ensure the correctness of the depth, the middle part of the needle guide tube 1 is sleeved with a support assembly 3, and the bottom surface of the support assembly 3 is rotatably connected with a suction cup assembly 4. Through the arrangement of the support assembly 3 and the suction cup assembly 4, when in use, the needle guide tube 1 has entered the target part of the patient that needs puncture, the position of the mobile ring 301 is rotated, the support rod 303 is rotated, the support angle is determined, the suction cup 402 is sucked on the surface of the human body, and the position of the needle guide tube 1 is fixed to prevent the needle guide tube 1 from being suspended in the air and shaking left and right, which affects the effect of puncture. One end of the needle guide tube 1 is penetrated and connected with a connecting tube 5, and a concave hole is opened on the surface of the connecting tube 5. The inside of the concave hole is rotatably connected with an angle measuring assembly 6, and both sides of the connecting tube 5 are fixedly connected with grip rings 7;

[0025] The adjustment component 2 includes a fixing ring 201 sleeved on the surface of the needle guide tube 1, a through hole is formed on the surface of the fixing ring 201, a pressing column 202 is connected to the inner thread of the through hole, and a pressing sheet 203 is fixedly connected to one end of the pressing column 202. The setting of the adjustment component 2 plays a role in adjusting the depth of the needle guide tube 1;

[0026] The support assembly 3 includes a collar 301 sleeved on the middle of the needle guide tube 1, a limiting hole is provided on the surface of the collar 301, the inner thread of the limiting hole is connected to the limiting column 302, and the bottom surface of the collar 301 is rotatably connected to the support rod 303, and the support assembly 3 plays a supporting role;

[0027] The suction cup assembly 4 includes a connecting piece 401 rotatably connected to the bottom surface of the supporting assembly 3, and a suction cup 402 is fixedly connected to the bottom surface of the connecting piece 401, and the setting of the suction cup assembly 4 plays a fixing role;

[0028] The angle measuring component 6 includes a rotating column 601 rotatably connected to the inside of the concave hole, a protractor plate 602 is rotatably connected to the surface of the rotating column 601, and a pointer 603 is rotatably connected to the edge of the surface of the rotating column 601. The setting of the angle measuring component 6 plays a role in determining the entry angle of the needle guide tube 1;

[0029] The surface of the needle guide tube 1 is engraved with scale lines, and the top surface of the connecting tube 5 is fixedly connected with a connecting block, and the scale lines are arranged to mark the depth of entry.

[0030] In the utility model, the working steps of the device are as follows:

[0031] Step 1: When in use, according to the depth and angle of the puncture position required by the patient, twist the pressure column 202 to loosen the fixing ring 201, move the fixing ring 201 to the position of the needle guide tube 1, determine the position, tighten the pressure column 202, rotate the needle guide tube 1, observe the angle with the angle measuring plate 602, and determine the entry angle;

[0032] The second step: when in use, the needle guide tube 1 has entered the target part of the patient that needs to be punctured, the position of the ring 301 is moved, the support rod 303 is rotated, the support angle is determined, the suction cup 402 is sucked onto the surface of the human body, and the position of the needle guide tube 1 is fixed.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A percutaneous puncture positioning guide, comprising a needle guide tube (1), characterized in that: The surface of the needle guide cylinder (1) is sleeved with an adjustment component (2), the middle part of the needle guide cylinder (1) is sleeved with a support component (3), the bottom surface of the support component (3) is rotatably connected to a suction cup component (4), one end of the needle guide cylinder (1) is penetrated and connected to a connecting tube (5), a concave hole is provided on the surface of the connecting tube (5), an angle measuring component (6) is rotatably connected inside the concave hole, and grip rings (7) are fixedly connected to both sides of the connecting tube (5).

2. A percutaneous puncture positioning guide according to claim 1, characterized in that: The adjustment assembly (2) comprises a fixing ring (201) sleeved on the surface of the needle guide tube (1), a through hole being provided on the surface of the fixing ring (201), a pressure column (202) being connected to the inner thread of the through hole, and a pressure sheet (203) being fixedly connected to one end of the pressure column (202).

3. A percutaneous puncture positioning guide according to claim 1, characterized in that: The support assembly (3) comprises a collar (301) sleeved on the middle part of the needle guide tube (1); a limiting hole is provided on the surface of the collar (301); the inner thread of the limiting hole is connected to a limiting column (302); and the bottom surface of the collar (301) is rotatably connected to a support rod (303).

4. A percutaneous puncture positioning guide according to claim 1, characterized in that: The suction cup assembly (4) comprises a connecting piece (401) rotatably connected to the bottom surface of the supporting assembly (3), and a suction cup (402) is fixedly connected to the bottom surface of the connecting piece (401).

5. A percutaneous puncture positioning guide according to claim 1, characterized in that: The angle measuring assembly (6) comprises a rotating column (601) rotatably connected to the inside of the concave hole, a protractor plate (602) is rotatably connected to the surface of the rotating column (601), and a pointer (603) is rotatably connected to the edge of the surface of the rotating column (601).

6. A percutaneous puncture positioning guide according to claim 1, characterized in that: The surface of the needle guide cylinder (1) is engraved with scale lines, and the top surface of the connecting tube (5) is fixedly connected to a connecting block.

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