CN218889722U - Positioning device - Google Patents

Abstract

The utility model discloses a positioning device, which belongs to the technical field of medical auxiliary devices and comprises a mounting plate, an arc positioning plate is fixedly mounted on the mounting plate, a T-shaped slider is slidably installed on the arc-shaped positioning plate, and the T-shaped sliding block One end extends to the outside of the arc-shaped positioning plate. One end of the T-shaped slider is rotated and installed with a rotating seat, and a rotating block is installed on the rotating seat. One end of the rotating block is fixedly installed with a guide assembly, and both ends of one side of the mounting plate are rotated. A fixed threaded rod is installed, one end of the fixed threaded rod is fixedly installed with a fixed knob, and the other end of the fixed threaded rod is rotated and installed with a fixed block, and the position of the guide assembly is adjusted by adjusting the position of the T-shaped slider on the arc positioning plate. At the same time, the direction of the guide assembly is adjusted by rotating the rotating block on the rotating seat, so that the puncture position and direction of the puncture needle can be fixed, so that the puncture effect will not be affected, the pain of the patient is alleviated, and the treatment effect is improved.

Description

a positioning device

technical field

The utility model relates to a positioning device, which belongs to the technical field of medical auxiliary devices.

Background technique

Neurointerventional therapy is a method of treating neck and intracranial vascular diseases by puncturing the femoral artery and using a special catheter to reach the neck and intracranial blood vessels. Neurointerventional therapy is different from traditional craniotomy. It has the characteristics of no craniotomy, less trauma, and quick recovery for patients. It is one of the minimally invasive methods. Complete vascular recanalization and salvage of brain tissue. During the operation, the femoral artery must first be punctured to place a vascular sheath, and then the contrast agent injection of the brain or spinal cord blood vessels is completed through selective intubation technology, and the doctor can see it on the monitor. Dynamic imaging of a patient's blood vessels.

At present, when puncturing to place a vascular sheath, a puncture needle is used for puncture. When puncturing, medical staff need to hold the needle handle with one hand, press the other hand on the patient's puncture position, and push the needle handle to perform puncture. This puncture method Because the length of the puncture needle is longer, it is easy to shake when puncturing, causing the puncture effect to be bad and affecting the treatment, while increasing the pain of the patient.

Utility model content

The purpose of this utility model is to provide a positioning device in order to solve the above problems, which has the advantages of convenient positioning and stable puncture. The position of the guide assembly is adjusted by adjusting the position of the T-shaped slider on the arc-shaped positioning plate. Turn the rotating block on the rotating seat to adjust the direction of the guide assembly, so that the puncture position and direction of the puncture needle can be fixed, so that the puncture effect will not be affected, the pain of the patient is relieved, and the treatment effect is improved.

The utility model achieves the above object through the following technical solutions, a positioning device, including a mounting plate, an arc-shaped positioning plate is fixedly installed on the mounting plate, and a T-shaped slider is slidably installed on the arc-shaped positioning plate. One end of the T-shaped slider extends to the outside of the arc-shaped positioning plate, and one end of the T-shaped slider is rotatably installed with a rotating seat, and a rotating block is rotatably installed on the rotating seat, and one end of the rotating block is fixed A guide assembly is installed. When in use, first place the position where the patient needs to puncture between the mounting plates and fix it, and then adjust the position of the T-shaped slider on the arc-shaped positioning plate to adjust the guide Then rotate the rotating block on the rotating seat to adjust the orientation of the guide assembly, and then pass the puncture needle through the guide assembly to complete the puncture.

Preferably, in order to fix the puncture position of the patient and prevent shaking during puncture from affecting the puncture effect, both ends of one side of the mounting plate are rotatably mounted with fixed threaded rods, and the fixed threaded rods are threadedly connected to the mounting plate , one end of the fixed threaded rod is fixedly installed with a fixed knob, the other end of the fixed threaded rod extends to the other side of the mounting plate, fixed blocks are installed at both ends of one side of the mounting plate, the fixed One side of the block is provided with a T-shaped circular groove, the other end of the fixed threaded rod is rotatably engaged in the T-shaped circular groove, and the other side of the fixed block is fixedly installed with an elastic rubber pad.

Preferably, in order to be able to adjust the position and orientation of the guide assembly, to facilitate the doctor to perform the puncture operation, and to avoid secondary injury to the patient, the arc-shaped positioning plate is located between the fixed blocks, and the arc-shaped positioning plate A chute is provided, and the T-shaped slider is slidably installed in the chute, and a moving groove is provided on one side of the chute, and the chute communicates with the outside through the moving groove, and the moving groove Slidingly install a limit bolt, one end of the limit bolt extends to the inside of the T-shaped slider, and the limit bolt and the T-shaped slider are threaded, and the two sides of the rotating seat are equipped with rotating bolts , one end of the rotating bolt is in contact with one side of the rotating block.

Preferably, in order to be able to fix the guide tubes of different sizes and facilitate the doctor to use the puncture needle to puncture, the guide assembly includes a fixing cylinder, one side of the fixing cylinder is equipped with a positioning threaded rod, and the positioning threaded rod is connected to the positioning threaded rod. The fixed cylinder is threadedly connected, one end of the positioning threaded rod is fixedly installed with a positioning knob, the other end of the positioning threaded rod extends to the inside of the fixed cylinder, and the other end of the positioning threaded rod is fixedly installed with a positioning block, The positioning block is located inside the fixed cylinder, and the other end of the positioning block and the inner wall of the fixed cylinder are fixedly equipped with non-slip soft pads, and a guide tube is placed inside the fixed tube, and the guide tube is connected with the fixed tube. The non-slip soft pad is in close contact.

The beneficial effects of the utility model are: adjust the position of the guide assembly by adjusting the position of the T-shaped slider on the arc-shaped positioning plate, and at the same time adjust the orientation of the guide assembly by rotating the rotating block on the rotating seat, so that the puncture needle can The position and direction of the puncture are fixed, so that the effect of the puncture will not be affected, the pain of the patient is relieved, and the therapeutic effect is improved.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the connection relationship of the fixed threaded rod in the utility model.

Fig. 3 is a schematic diagram of the half-section structure of the arc-shaped positioning plate in the utility model.

Fig. 4 is a schematic diagram of the connection relationship of the rotating block in the utility model.

Fig. 5 is a structural schematic diagram of the guide assembly in the present invention.

In the figure: 1. Mounting plate; 2. Arc positioning plate; 3. T-shaped slider; 4. Rotating seat; 5. Rotating block; 6. Guide assembly; 601, fixed cylinder; Positioning knob; 604, positioning block; 605, non-slip cushion; 606, guide pipe; 7, fixed threaded rod; 8, fixed knob; 9, fixed block; 10, T-shaped round groove; 11, elastic rubber pad; 12, Chute; 13, moving groove; 14, limit bolt; 15, turning bolt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1-5, a positioning device includes a mounting plate 1, an arc-shaped positioning plate 2 is fixedly installed on the mounting plate 1, and a T-shaped slider 3 is slidably installed on the arc-shaped positioning plate 2. One end of the block 3 extends to the outside of the arc-shaped positioning plate 2, and one end of the T-shaped slider 3 is rotatably mounted with a swivel seat 4, and the swivel block 4 is rotatably mounted with a swivel block 5, and one end of the swivel block 5 is fixedly mounted with a guide assembly 6 , when in use, first place the position where the patient needs to puncture between the mounting plates 1 and fix it, then adjust the position of the T-shaped slider 3 on the arc-shaped positioning plate 2, thereby adjusting the position of the guide assembly 6, and then turn the rotating seat 4 to adjust the orientation of the guide assembly 6, and then pass the puncture needle through the guide assembly 6 to complete the puncture.

As a kind of technical optimization scheme of the present utility model, as shown in Figure 2, both ends of one side of the mounting plate 1 are all rotatably installed with fixed threaded rods 7, the fixed threaded rods 7 are threadedly connected with the mounting plate 1, and the fixed threaded rods 7 are screwed together. One end is fixedly installed with a fixed knob 8, the other end of the fixed threaded rod 7 extends to the other side of the mounting plate 1, and the two ends of one side of the mounting plate 1 are installed with a fixed block 9, and one side of the fixed block 9 is provided with a T-shaped circle. Slot 10, the other end of the fixed threaded rod 7 is rotated and clamped in the T-shaped round groove 10, and the other side of the fixed block 9 is fixedly installed with an elastic rubber pad 11. When in use, first place the patient's leg on the mounting plate 1, then turn the fixed knob 8, the fixed knob 8 drives the fixed threaded rod 7 to rotate, thereby driving the fixed block 9 to fix the patient's legs.

As a technical optimization scheme of the utility model, as shown in Figure 3, the arc positioning plate 2 is located between the fixed blocks 9, the arc positioning plate 2 is provided with a chute 12, and the T-shaped sliding block 3 is slidably installed on the sliding block. In the groove 12, a moving groove 13 is provided on one side of the sliding groove 12, and the sliding groove 12 is connected with the outside through the moving groove 13, and a limit bolt 14 is slidably installed on the moving groove 13, and one end of the limit bolt 14 extends to a T-shaped slide. The inside of the block 3, and the limit bolt 14 is threaded with the T-shaped slide block 3, and the both sides of the rotating seat 4 are equipped with rotating bolts 15, and one end of the rotating bolt 15 is in contact with one side of the rotating block 5, when the patient's leg After the part is fixed, loosen the limit bolt 14 to adjust the position of the T-shaped slider 3 on the arc positioning plate 2 until the guide assembly 6 is moved to the puncture position, then tighten the limit bolt 14, and then loosen the turning bolt 15 Rotate the rotating block 5 until the orientation of the guide assembly 6 is adjusted in line with the puncturing direction.

As a technical optimization scheme of the present utility model, as shown in Figure 5, the guide assembly 6 includes a fixed cylinder 601, one side of the fixed cylinder 601 is equipped with a positioning threaded rod 602, the positioning threaded rod 602 is threadedly connected with the fixed cylinder 601, and the positioning One end of the threaded rod 602 is fixedly equipped with a positioning knob 603, the other end of the positioning threaded rod 602 extends to the inside of the fixed cylinder 601, and the other end of the positioning threaded rod 602 is fixedly mounted with a positioning block 604, and the positioning block 604 is located inside the fixed cylinder 601 , the other end of the positioning block 604 and the inner wall of the fixed cylinder 601 are fixedly installed with a non-slip cushion 605, and a guide tube 606 is placed inside the fixed cylinder 601, and the guide tube 606 is in close contact with the non-slip cushion 605. Finally, the guide tube 606 is placed in the fixing cylinder 601 until one end of the guide tube 606 contacts the puncture position of the patient, and then the positioning knob 603 is turned, and the positioning knob 603 drives the positioning threaded rod 602 to rotate, thereby driving the positioning block 604 to place the guide tube 606 is fixed, and then the puncture needle passes through the guide tube 606 to complete the puncture operation.

When the utility model is in use, the patient's legs are first placed between the mounting plates 1, and then the fixing knob 8 is rotated. The fixing knob 8 drives the fixed threaded rod 7 to rotate, thereby driving the fixing block 9 to fix the patient's legs. After the patient's leg is fixed, loosen the stop bolt 14 to adjust the position of the T-shaped slide block 3 on the arc positioning plate 2 until the guide assembly 6 is moved to the puncture position, then tighten the stop bolt 14 and then loosen it Turn the bolt 15 to rotate the rotating block 5 until the orientation of the guide assembly 6 is adjusted to the puncture direction. After the position and orientation adjustment is completed, place the guide tube 606 into the fixed cylinder 601 until one end of the guide tube 606 is aligned with the puncture direction of the patient. Position contact, then turn the positioning knob 603, the positioning knob 603 drives the positioning threaded rod 602 to rotate, thereby driving the positioning block 604 to fix the guide tube 606, and then the puncture needle passes through the guide tube 606 to complete the puncture operation.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A positioning device, characterized in that: it comprises a mounting plate (1), an arc-shaped positioning plate (2) is fixedly installed on the described mounting plate (1), and a curved positioning plate (2) is slidably installed on the described arc-shaped positioning plate (2). T-shaped slide block (3), one end of the T-shaped slide block (3) extends to the outside of the arc positioning plate (2), and one end of the T-shaped slide block (3) is rotatably installed with a rotating seat ( 4), a rotating block (5) is rotatably installed on the rotating seat (4), and a guide assembly (6) is fixedly installed on one end of the rotating block (5). 2. A positioning device according to claim 1, characterized in that: both ends of one side of the mounting plate (1) are rotatably mounted with fixed threaded rods (7), and the fixed threaded rods (7) and The mounting plate (1) is threaded, one end of the fixed threaded rod (7) is fixedly installed with a fixed knob (8), and the other end of the fixed threaded rod (7) extends to the end of the mounting plate (1). The other side. 3. A positioning device according to claim 2, characterized in that: fixed blocks (9) are installed at both ends of one side of the mounting plate (1), and one side of the fixed block (9) is provided with T-shaped round groove (10), the other end of the fixed threaded rod (7) is locked in the T-shaped round groove (10), and the other side of the fixed block (9) is fixedly installed with elastic rubber Pad (11). 4. A positioning device according to claim 3, characterized in that: the arc-shaped positioning plate (2) is located between the fixed blocks (9), and the arc-shaped positioning plate (2) is provided with A chute (12), the T-shaped slider (3) is slidably installed in the chute (12), one side of the chute (12) is provided with a moving groove (13), and the chute ( 12) Communicate with the outside through the moving slot (13). 5. A positioning device according to claim 4, characterized in that: a limit bolt (14) is slidably installed on the moving groove (13), and one end of the limit bolt (14) extends to the T Type slide block (3) inside, and described limit bolt (14) and T type slide block (3) threaded connection. 6. A positioning device according to claim 1, characterized in that: a rotating bolt (15) is installed on both sides of the rotating seat (4), and one end of the rotating bolt (15) is connected to the rotating block One side of (5) touches. 7. A positioning device according to claim 1, characterized in that: the guide assembly (6) includes a fixed cylinder (601), and a positioning threaded rod (602) is installed on one side of the fixed cylinder (601) , the positioning threaded rod (602) is threadedly connected with the fixing cylinder (601), and a positioning knob (603) is fixedly installed on one end of the positioning threaded rod (602). 8. A positioning device according to claim 7, characterized in that: the other end of the positioning threaded rod (602) extends to the inside of the fixing cylinder (601), and the other end of the positioning threaded rod (602) The other end is fixedly equipped with a positioning block (604), and the positioning block (604) is located inside the fixed cylinder (601), and the other end of the positioning block (604) and the inner wall of the fixed cylinder (601) are both An anti-slip soft pad (605) is fixedly installed, and a guide tube (606) is placed inside the fixed cylinder (601), and the guide tube (606) is in close contact with the anti-slip soft pad (605).

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