CN215937588U

CN215937588U - CT puncture angle guiding device

Info

Publication number: CN215937588U
Application number: CN202121126449.4U
Authority: CN
Inventors: 顾文栋; 韦晓波
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-03-04
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a CT puncture angle guiding device, which comprises a base and a telescopic rod arranged on the base, wherein a spherical holder is arranged at the top end of a movable rod of the telescopic rod, an angle adjusting component is fixedly arranged on the movable holder of the spherical holder, the angle adjusting component comprises an angle measuring component, a guiding component and an installation rod, and the angle measuring component and the guiding component are arranged on the installation rod. The puncture outfit is reasonable in structure and can effectively help medical staff to puncture.

Description

CT puncture angle guiding device

Technical Field

The utility model relates to the field of medical instruments, in particular to an angle guiding device matched with a CT puncture needle.

Background

Medical staff puncture under CT guidance, not only can provide a sample for histological cytology examination for diseases, but also can treat diseased regions, and the puncture has small wound and simple and quick operation, so that the puncture is widely applied to clinical treatment;

during actual operation, firstly medical staff confirm the position of a focus through CT scanning, then plan data such as an optimal needle insertion point, a needle insertion angle, a depth and the like according to a CT image, during final puncture, after the needle insertion point is determined, the puncture angle can still be roughly judged only by the experience of the medical staff, and needle insertion at an angle as accurate as possible cannot be achieved, so that poor puncture effect and even re-puncture can be caused, unnecessary pain is brought to patients, meanwhile, the body of the patients is damaged, even the patients can cause complications such as pneumothorax and heavy bleeding to the patients, medical accidents are caused, and unnecessary loss is caused to both the medical staff and the patients;

the prior art also has a series of defects in devices for assisting in guiding the needle insertion angle, such as a CN205073035U-CT positioning puncture angle guider, a CN 209629779U-CT puncture three-dimensional angle guiding frame, and a CN 209751173U-lung puncture positioning device for CT guidance, wherein the angle guiding devices of the above categories are all firstly placed on the body of a patient, and then the patient is observed at an angle, and after the patient is bedridden, the body is not a plane, the chest and the abdomen are fluctuated, and the fluctuation of the patient is more obvious during breathing, so that the device is fixed, and meanwhile, the measured angle cannot be ensured to be correct due to the fact that the device is not in a horizontal state, and the problem that the puncture angle is wrong still occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a CT puncture angle guiding device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a CT puncture angle guiding device comprises a base and a telescopic rod arranged on the base, wherein a spherical holder is arranged at the top end of a movable rod of the telescopic rod, an angle adjusting component is fixedly arranged on the spherical holder, the angle adjusting component comprises an angle measuring component, a guiding component and an installation rod, and the angle measuring component and the guiding component are arranged on the installation rod;

the mounting rod is fixedly arranged on the movable holder of the spherical holder, and the included angle between the mounting rod and the movable holder of the spherical holder is 90 degrees;

the angle adjusting component comprises a protractor and a sliding rod, the sliding rod is a rectangular rod, an included angle between the sliding rod and the mounting rod is 90 degrees, a rod body of the sliding rod penetrates through the mounting rod, the rear end face of the protractor is fixedly connected with the end part of one end of the sliding rod, the protractor is parallel to the mounting rod, the front end face of the protractor is a scale surface, and the end part of the other end of the sliding rod is provided with a stop;

the guide component comprises a fixed rod, a sliding sleeve and a puncture needle support, one end of the fixed rod is fixedly connected with the installation rod, an included angle between the fixed rod and the installation rod is 90 degrees, the sliding sleeve is sleeved on the fixed rod, the sliding sleeve can slide on the fixed rod and is fixed through a bolt, the upper end of the sliding sleeve is provided with a pointer seat, a pointer matched with a scale surface is fixedly arranged on the pointer seat, the puncture needle support is fixedly arranged at the front end of the sliding sleeve, and a guide groove is formed in the end face of the puncture needle support.

Preferably, the angle adjusting member further comprises a guide block, the guide block is fixedly arranged on the mounting rod, and the guide block is provided with a rectangular through hole matched with the sliding rod.

Preferably, the puncture needle support is connected with the sliding sleeve through a connecting rod, and the puncture needle support is parallel to the pointer.

Preferably, the telescopic link is located one side of base, and the opposite side of base is fixed and is provided with the loop bar of wearing, and the counterweight plate is through wearing the dress and setting on the base with the cooperation of wearing the loop bar.

Compared with the prior art, the utility model has the beneficial effects that:

at first this guiding device is fixed to be set up subaerial through the base, simultaneously through base and telescopic link for the angle adjustment component can be unsettled and be located the top of patient's health, does not contact with patient's health, so can guarantee that angle adjustment component self is reliably fixed, also can guarantee the accuracy of needle insertion angle simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the structure of FIG. 1;

figure 3 is a schematic view of the configuration of the needle holder 14 of the present invention;

fig. 4 is a schematic structural view of the guide block 18 of the present invention.

In the figure: the device comprises a base 1, a telescopic rod 2, a spherical tripod head 3, an angle adjusting component 4, an angle measuring component 5, a guide component 6, a mounting rod 7, an angle measuring device 8, a sliding rod 9, a scale surface 10, a stop 11, a fixing rod 12, a sliding sleeve 13, a puncture needle support 14, a pointer seat 15, a pointer 16, a guide groove 17, a guide block 18, a rectangular through hole 19, a connecting rod 20, a sleeve penetrating rod 21 and a counterweight plate 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a CT puncture angle guiding device comprises a base 1 and a telescopic rod 2 arranged on the base 1, wherein a spherical holder 3 is arranged at the top end of a movable rod of the telescopic rod 2, an angle adjusting member 4 is fixedly arranged on the movable holder of the spherical holder 3, the angle adjusting member 4 comprises an angle measuring member 5, a guiding member 6 and a mounting rod 7, and the angle measuring member 5 and the guiding member 6 are arranged on the mounting rod 7;

the mounting rod 7 is fixedly arranged on the movable holder of the spherical holder 3, and the included angle between the mounting rod 7 and the movable holder of the spherical holder 3 is 90 degrees;

the angle adjusting component 4 comprises a protractor 8 and a sliding rod 9, the sliding rod 9 is a rectangular rod, an included angle between the sliding rod 9 and the mounting rod 7 is 90 degrees, a rod body of the sliding rod 9 penetrates through the mounting rod 7, the rear end face of the protractor 8 is fixedly connected with one end part of the sliding rod 9, the protractor 8 is parallel to the mounting rod 7, the front end face of the protractor 8 is a scale surface 10, and the other end part of the sliding rod 9 is provided with a stop 11;

the guide component 6 comprises a fixed rod 12, a sliding sleeve 13 and a puncture needle support 14, one end of the fixed rod 12 is fixedly connected with the installation rod 7, an included angle between the fixed rod 12 and the installation rod 7 is 90 degrees, the sliding sleeve 13 is sleeved on the fixed rod 12 in a penetrating mode, the sliding sleeve 13 can slide on the fixed rod 12 and is fixed through a bolt, a pointer seat 15 is arranged at the upper end of the sliding sleeve 13, a pointer 16 matched with the scale surface 10 is fixedly arranged on the pointer seat 15, the puncture needle support 14 is fixedly arranged at the front end of the sliding sleeve 13, and a guide groove 17 is formed in the end face of the puncture needle support 14. The pointer 16 is matched with the scale surface 10, namely, like the pointers of various meters in the prior art, the plane of the pointer 16 is parallel to the plane of the scale surface 10, so that when the pointer 16 rotates, the fixed scale surface 10 can be referred to know the rotating angle.

Preferably, the angle adjusting member 4 further comprises a guide block 18, the guide block 18 is fixedly disposed on the mounting rod 7, and the guide block 18 is provided with a rectangular through hole 19 matched with the sliding rod 9. The guide block 18 can facilitate the sliding of the sliding rod 9 back and forth, and ensure that the direct included angle between the guide block and the mounting rod 7 is 90 degrees all the time.

Preferably, the needle support 14 is connected to the sliding sleeve 13 by a connecting rod 20, and the needle support 14 is parallel to the needle 16.

Preferably, the telescopic rod 2 is located at one side of the base 1, the sleeve penetrating rod 21 is fixedly arranged at the other side of the base 1, and the counterweight plate 22 is arranged on the base 1 in a penetrating manner through matching with the sleeve penetrating rod 21.

When the utility model is used, firstly, the base 1 is placed at two sides of a sickbed or two ends of the sickbed, and simultaneously the height of the telescopic rod 2 is adjusted, so that the angle adjusting component 4 is positioned right above the body of a patient and at a proper height for puncture, at the moment, the movable pan head of the spherical pan head 3 can be adjusted (a bubble level gauge can be embedded on the movable pan head during actual manufacture), so that the movable pan head is parallel to the ground, the included angle between the installation rod 7 and the movable pan head of the spherical pan head 3 is 90 degrees, therefore, the installation rod 7 can be vertical to the ground, as the included angle between the sliding rod 9 and the installation rod 7 is 90 degrees, the sliding rod 9 can be ensured to be parallel to the ground, and the protractor 8 is parallel to the installation rod 7 (namely, the central line of the semicircular protractor 8 is parallel to the installation rod 7), so when the installation rod 7 is vertical to the ground, the protractor 8 is also vertical to the ground, meanwhile, when the slide bar 9 drives the protractor 8 to move back and forth, the protractor 8 can be ensured to be vertical to the ground;

after the installation rod 7 is perpendicular to the ground, the sliding sleeve 13 can be pushed in the axial direction of the fixed rod 12 to reach the upper part of the puncture point, then the sliding rod 9 is pushed, the sliding rod 9 can drive the protractor 8 to reach the side edge of the sliding sleeve 13, so that the pointer 16 can be matched with the scale surface 10, the sliding sleeve 13 can be rotated in the circumferential direction of the fixed rod 12, when the pointer 16 rotates to a required angle, the sliding sleeve 13 can be fixed on the fixed rod 12 through a bolt, the puncture needle bracket 14 parallel to the pointer 16 rotates to the required angle, after the sliding sleeve 13 is fixed, the sliding rod 9 can be pulled to drive the protractor 8 to be far away from the sliding sleeve 13, the subsequent operation is convenient, at the moment, the puncture needle can be attached to the guide groove 17 of the puncture needle bracket 14 by medical personnel, the angle during needle entering does not need to be estimated by the medical personnel, and the accuracy of the angle can be ensured as much as possible, the occurrence of repeated puncture is avoided.

Preferably, the fixed rod 12 and the telescopic rod 2 are provided with scales of length unit, so that the adjustment and the recording of the position are more convenient for medical personnel, and further, the side edge of the puncture needle bracket 14, which is positioned on the guide groove 17, is also provided with scales of length unit, so that the depth of the puncture needle can be known only by marking the puncture needle.

It should be noted that the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the drawings, the specific connection mode of each part adopts the conventional means of bolt, rivet, welding, etc. mature in the prior art, the machines, parts and equipment all adopt the conventional models in the prior art, and the inventor does not need to describe in detail here.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A CT puncture angle guiding device comprises a base (1) and a telescopic rod (2) arranged on the base (1), wherein a spherical holder (3) is arranged at the top end of a movable rod of the telescopic rod (2), an angle adjusting component (4) is fixedly arranged on the movable holder of the spherical holder (3), the angle adjusting component (4) comprises an angle measuring component (5), a guiding component (6) and an installation rod (7), and the angle measuring component (5) and the guiding component (6) are arranged on the installation rod (7);

the mounting rod (7) is fixedly arranged on the movable holder of the spherical holder (3), and the included angle between the mounting rod (7) and the movable holder of the spherical holder (3) is 90 degrees;

the angle adjusting component (4) comprises a protractor (8) and a sliding rod (9), the sliding rod (9) is a rectangular rod, an included angle between the sliding rod (9) and the mounting rod (7) is 90 degrees, a rod body of the sliding rod (9) penetrates through the mounting rod (7), the rear end face of the protractor (8) is fixedly connected with the end part of one end of the sliding rod (9), the protractor (8) is parallel to the mounting rod (7), the front end face of the protractor (8) is a scale surface (10), and the end part of the other end of the sliding rod (9) is provided with a stop (11);

the guide member (6) comprises a fixed rod (12), a sliding sleeve (13) and a puncture needle support (14), one end of the fixed rod (12) is fixedly connected with the installation rod (7), an included angle between the fixed rod (12) and the installation rod (7) is 90 degrees, the sliding sleeve (13) is sleeved on the fixed rod (12) in a penetrating mode, the sliding sleeve (13) can slide on the fixed rod (12) and is fixed through a bolt, a pointer seat (15) is arranged at the upper end of the sliding sleeve (13), a pointer (16) matched with the scale surface (10) is fixedly arranged on the pointer seat (15), the puncture needle support (14) is fixedly arranged at the front end of the sliding sleeve (13), and a guide groove (17) is formed in the end face of the puncture needle support (14).

2. The CT puncture angle guiding device as claimed in claim 1, wherein the angle adjusting member (4) further comprises a guide block (18), the guide block (18) is fixedly arranged on the mounting rod (7), and the guide block (18) is provided with a rectangular through hole (19) matched with the sliding rod (9).

3. A CT puncture angle guiding device according to claim 1, wherein the puncture needle holder (14) is connected to the sliding sleeve (13) by a connecting rod (20), and the puncture needle holder (14) is parallel to the needle (16).

4. The CT puncture angle guiding device as claimed in claim 1, wherein the telescopic rod (2) is located at one side of the base (1), a sleeve penetrating rod (21) is fixedly arranged at the other side of the base (1), and the counterweight plate (22) is arranged on the base (1) in a penetrating manner through matching with the sleeve penetrating rod (21).