CN113729863B - Visual nasal cavity haemostat that pressure is adjustable - Google Patents

Abstract

The invention provides a pressure-adjustable and visible nasal cavity hemostat, which comprises a rotating device mounted on the end of a guide rod; a rotating table arranged on the top of the rotating device; It is set on the other end of the rotating plate; the driving device drives one end of the rotating plate to rotate; the push rod mechanism is set on the side of the rotating plate; the moving ring is set on the fixed rod and connected with the push rod mechanism, The mechanism is driven to move back and forth along the axial direction of the fixed rod; several groups of connecting rod structures are uniformly arranged around the moving ring; the camera is fixed at the end of the fixed rod at the bottom; The rods are all fixedly connected; a through hole matching with the camera lens is opened in the middle; the transparent airbag is fixedly arranged at the end of the camera lens. The device realizes nasal compression hemostasis visualization, and can perform accurate positioning when pressing the affected part.

Description

A pressure-adjustable and visible nasal cavity hemostat

technical field

The invention relates to the technical field of medical instruments, in particular to a pressure-adjustable and visible nasal cavity hemostat.

Background technique

Epistaxis is one of clinical common symptom, can be caused by nasal disease, also can be caused by systemic disease. Nosebleeds are mostly unilateral, and bilateral nosebleeds can occur in a few cases; the amount of bleeding varies, ranging from bloody nasal discharge in mild cases to hemorrhagic shock in severe cases, and repeated epistaxis can lead to anemia.

Clinically, epistaxis, especially postnasal bleeding, does not have a professional pressing device. Urinary catheters are often used instead. The pressure of the air bag at the end is uncontrollable, which can easily cause secondary damage to the patient's nose, and the position of the postnasal hole is deep. As a result, accurate positioning cannot be performed during hemostasis, and the hemostasis situation cannot be obtained in real time.

For this reason, the present invention proposes a new pressure-adjustable and visible nasal cavity hemostat.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a pressure-adjustable and visible nasal cavity hemostat. The device realizes nasal compression hemostasis visualization, and can perform accurate positioning when pressing the affected part.

To achieve the above object, the present invention provides the following technical solutions.

A pressure-adjustable and visible nasal cavity hemostat, comprising:

guide rod;

a turntable mounted on the end of the guide rod;

The rotating device is arranged on the guide rod and drives the rotating table to rotate in the circumferential direction;

a rotating plate, one end of which is rotationally connected to the rotating table;

a driving device, arranged on the turntable, to drive the swing of the turntable;

a fixed rod fixedly arranged on the other end of the rotating plate;

a moving ring sleeved on the fixed rod;

a push rod mechanism, arranged on the rotating plate, pushes the moving ring to move along the axis of the fixed rod;

A plurality of connecting rod structures are evenly arranged around the circumference of the moving ring;

In the umbrella-shaped pressing airbag, the inner wall is fixedly connected to the outer walls of the plurality of connecting rod structures, and is supported by the plurality of connecting rod structures.

Preferably, it also includes:

A camera with a supplementary light, the bottom of which is fixedly arranged at the end of the fixing rod;

The transparent airbag is fixedly arranged at the end of the camera lens; the middle part of the pressing airbag is provided with a through hole matching with the camera lens;

The hemostatic layer is fixedly attached to the outside of the pressing airbag;

Several patch piezoresistors are arranged between the hemostatic layer and the pressing air bag.

Preferably, each set of linkage devices includes:

a first connecting rod, one end of which is rotatably connected to the moving ring;

One end of the second connecting rod is rotatably connected to the other end of the first connecting rod, and the other end is rotatably connected to the end of the fixed rod; multiple second connecting rods are fixedly connected to the inner wall of the pressing airbag.

Preferably, the rotating device includes:

The support plate is erected on the end of the guide rod through several support rods; the rotating table is rotatably arranged on the top of the support plate;

The first motor is fixedly arranged at the bottom of the support plate; the output shaft of the first motor passes through the support plate and is connected to the turntable through transmission.

Preferably, the driving device includes:

Two shelf plates are fixedly arranged on the top of the turntable;

The rotating shaft passes through one end of the rotating plate and is fixedly connected with the rotating plate, and its two ends are respectively connected in rotation with the two frame plates;

The second motor is fixedly arranged on the outside of one of the frame plates, and the output shaft of the second motor is connected to the rotating shaft through transmission.

Preferably, both sides of the rotating plate are provided with grooves; the push rod mechanism includes:

Two sets of symmetrically arranged lead screw structures; each set of lead screw structures includes:

The motor plate is fixedly arranged in the groove;

The push plate is slidably arranged in the groove;

A lead screw, one end is rotationally connected to one side of the motor plate, the other end passes through the push plate, and is rotationally connected to the other end of the rotating plate; the lead screw is threadedly matched with the push plate;

The third motor is fixedly arranged on the other side of the motor plate, and its output shaft is connected with the screw drive;

Two push rods, one end is fixedly arranged on one side of the push plate, the other end passes through the other end of the rotating plate, and is fixedly connected with the end surface of the moving ring.

Preferably, a plurality of U-shaped frames are fixed in the circumferential direction of the moving ring, and both sides of one end of each of the first connecting rods are respectively rotatably connected to two sides of one of the U-shaped frames through a first short shaft; The end of the fixed rod is provided with several square grooves in the circumferential direction, and the two sides of the other end of each second connecting rod are rotatably connected to the two sides of one of the square grooves through the second short axis respectively.

Preferably, the material of the hemostatic layer is a sterile fiber layer.

Preferably, a display is also included; the display is connected to the camera through wireless communication.

Beneficial effects of the present invention:

The present invention proposes a pressure-adjustable and visible nasal cavity hemostat. By setting two groups of rotating structures, the position of the end of the hemostatic structure can be controlled, and the hemostasis can be pressed according to the actual bleeding part of the nasal cavity; the top of the device is equipped with a camera. The supplemental light is assisted by the light, and the real-time video is wirelessly transmitted to the monitor, which can observe the situation inside the nasal cavity, accurately locate the affected part, and obtain the progress of the treatment in real time; the hemostatic end of the device uses a connecting rod structure to support the pressing airbag to press the affected part to stop bleeding , by obtaining the current values of several chip varistors in real time, judging the pressure of pressing the affected part in real time, and adjusting the pressure by adjusting the opening degree of the connecting rod structure or the inflation volume of the air bag.

Description of drawings

Fig. 1 is the overall structural diagram of the pressure-adjustable and visible nasal cavity hemostasis device of the embodiment of the present invention;

Fig. 2 is a partial structural diagram of a pressure-adjustable and visible nasal cavity hemostat according to an embodiment of the present invention;

Fig. 3 is another perspective partial structural view of the pressure-adjustable and visible nasal cavity hemostat according to the embodiment of the present invention.

In the figure: 1. Guide rod; 2. Rotating plate; 3. Press the air bag; 4. Support rod; 5. First motor; 6. Support plate; 7. Turntable; 8. Second motor; 10. Moving ring; 11. First connecting rod; 12. Fixed rod; 13. Second connecting rod; 14. Push plate; 15. Lead screw; 16. Motor plate; 17. Third motor; 18. Transparent airbag; 19. Camera.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Example

A pressure-adjustable and visible nasal cavity hemostat, as shown in Figure 1-3, includes

The rotating device is erected on the end of the guide rod 1; the rotating table 7 is arranged on the top of the rotating device, and is driven to rotate through the rotating device; specifically, as shown in Figure 2, the rotating device includes: a support plate 6, supported by several The rod 4 is erected on the end of the guide rod 1; the turntable 7 is rotated and arranged on the top of the support plate 6; the first motor 5 is fixedly arranged on the bottom of the support plate 6; the output shaft of the first motor 5 passes through the support plate 6, and is connected with the Rotary table 7 transmissions are connected. Driving the first motor 5 to rotate can drive the turntable 7 to rotate, and then drive the entire end to rotate.

Further, it includes a rotating plate 2, one end of which is rotatably connected to the rotating table 7; a fixed rod 12, fixedly arranged on the other end of the rotating plate 2; and a driving device, which drives one end of the rotating plate 2 to rotate. Concretely, the driving device includes: two frame plates, all fixedly arranged on the top of the turntable 7; Connection; the second motor 8 is fixedly arranged on the outside of a frame plate, and the output shaft of the second motor 8 is connected to the rotating shaft through transmission. When the second motor 8 is driven to rotate, it drives the rotating plate 2 to swing, combined with the axial rotation realized by the rotating device, it can drive the end to realize the servo at any position in space.

Further, it also includes a push rod mechanism, which is arranged on the side of the rotating plate 2; the moving ring 10, sleeved on the fixed rod 12, is connected with the push rod mechanism, and is driven forward and backward along the axial direction of the fixed rod 12 through the push rod mechanism. Move; Specifically, as shown in Figure 2, grooves are provided on both sides of the rotating plate 2; the push rod mechanism includes: two sets of symmetrically arranged screw structures; each set of screw structures includes: motor plate 16, fixed Set in the groove; the push plate 14 is slidably set in the groove; one end of the lead screw 15 is rotationally connected with one side of the motor plate 16, and the other end passes through the push plate 14 and is rotationally connected with the other end of the rotating plate 2 The lead screw 15 is threadedly matched with the push plate 14; the third motor 17 is fixedly arranged on the other side of the motor plate 16, and its output shaft is connected with the lead screw 15; two push rods 9, one end is fixedly arranged on the push plate 14 One side and the other end pass through the other end of the rotating plate 2 and are fixedly connected with the end surface of the moving ring 10 . When the third motor 17 is driven to rotate, it drives the screw structure to move, and then drives the push rod 9 to move back and forth. The moving ring 10 is pushed by the push rod 9 to move, combined with several groups of connecting rod structures, the support for the airbag 3 is realized. Specifically, the connecting rod structure includes: a first connecting rod 11, one end of which is rotatably connected to the moving ring 10; Turn to connect.

In order to accurately locate the position of the end of the hemostat, a camera 19 with a supplementary light is also provided, and its bottom is fixedly arranged on the end of the fixed rod 12; hole; the transparent airbag 18 is fixedly arranged at the lens end of the camera 19, and does not affect and block the camera 19 to collect real-time video. The internal situation of the nasal cavity is obtained in real time through the camera 19, and is transmitted to the display through wireless communication for display; the pressure is judged by the current value obtained in real time by the set chip varistor, and the air pressure of the above-mentioned connecting rod structure or the air bag volume is adjusted.

Further, in order to stabilize the structure, the moving ring 10 is circumferentially fixed with a plurality of U-shaped frames, and the two sides of one end of each first connecting rod 11 are rotatably connected to the two sides of a U-shaped frame through the first short axis respectively; The end of the fixed rod 12 is provided with several square grooves along the circumference, and the two sides of the other end of each second connecting rod 13 are respectively rotatably connected to the two sides of a square groove through the second short axis.

In this example,

The end is introduced into the interior of the nasal cavity through the flexible guide rod 1, the supplementary light is turned on, and the camera 19 starts to work to obtain the internal conditions of the nasal cavity in real time.

When the end of the hemostat is close to the affected part, the axial position of the pressing airbag 3 is adjusted by driving the first motor 5, and the angle of the pressing airbag 3 is adjusted by driving the second motor 8, and the two sets of driving devices are driven to adjust the position of the end, finally achieving Positioning of the affected area.

By driving two sets of third motors 17 to rotate, the pressing airbag 3 is stretched through several sets of connecting rod structures; the current value obtained by the corresponding chip varistor in real time is used to judge the pressure. If the pressure is too large or too small, adjust Press the position of the airbag 3, or the degree of stretching, or the inflation amount of the airbag 3 to adjust the pressure.

After stopping the bleeding for a period of time, move the end of the hemostat, and observe whether the affected part is still bleeding through the camera 19. If the hemostasis is completed, the hemostat can be withdrawn.

The position of the end of the device is controllable, and the top of the hemostat is equipped with a camera 19, which can wirelessly transmit real-time video to the display through the supplementary light supplementary light, so that the internal conditions of the nasal cavity can be observed, the affected part can be accurately positioned, and the progress of the treatment can be obtained in real time The hemostatic end of the device uses a connecting rod structure to support the pressing airbag to press the affected part to stop bleeding. By obtaining the current values of several patch varistors in real time, the pressure of pressing the affected part can be judged in real time. By adjusting the opening degree of the connecting rod structure or the airbag The amount of inflation to adjust the pressure.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Inside.

Claims (8)

1. A pressure-adjustable and visible nasal cavity hemostat, characterized in that it comprises: guide rod (1); A turntable (7), erected at the end of the guide rod (1); The rotating device is arranged on the guide rod (1) and drives the rotating table (7) to rotate in the circumferential direction; A rotating plate (2), one end of which is rotationally connected to the rotating table (7); A driving device, arranged on the turntable (7), drives the swing of the turntable (2); a fixed rod (12), fixedly arranged on the other end of the rotating plate (2); The moving ring (10) is sleeved on the fixed rod (12); A push rod mechanism, arranged on the rotating plate (2), pushes the moving ring (10) to move along the axial direction of the fixed rod (12); A plurality of connecting rod structures are evenly arranged around the circumference of the moving ring (10); An umbrella-shaped pressing air bag (3), the inner wall of which is fixedly connected with the outer walls of a plurality of connecting rod structures, and supported by a plurality of connecting rod structures; Also includes: A camera (19) with a supplementary light, the bottom of which is fixedly arranged at the end of the fixed rod (12); The transparent airbag (18) is fixedly arranged at the lens end of the camera (19); the middle part of the pressing airbag (3) is provided with a through hole matching the lens of the camera (19); The hemostatic layer is fixedly attached to the outside of the pressing airbag (3); Several patch piezoresistors are arranged between the hemostatic layer and the pressing air bag (3). 2. The pressure-adjustable and visible nasal cavity hemostat according to claim 1, characterized in that, each set of said connecting rod structures comprises: The first connecting rod (11), one end is rotationally connected with the moving ring (10); The second connecting rod (13), one end is rotationally connected with the other end of the first connecting rod (11), and the other end is rotationally connected with the end of the fixed rod (12); a plurality of the second connecting rods ( 13) It is fixedly connected with the inner wall of the pressing air bag (3). 3. The pressure-adjustable and visible nasal cavity hemostat according to claim 1, wherein the rotating device comprises: The support plate (6) is erected at the end of the guide rod (1) through several support rods (4); the turntable (7) is rotatably arranged on the top of the support plate (6); The first motor (5) is fixedly arranged at the bottom of the support plate (6); the output shaft of the first motor (5) passes through the support plate (6), and is transmitted with the turntable (7) connect. 4. The pressure-adjustable and visible nasal cavity hemostat according to claim 1, wherein the driving device comprises: Two shelf plates are fixedly arranged on the top of the turntable (7); The rotating shaft passes through one end of the rotating plate (2) and is fixedly connected with the rotating plate (2), and its two ends are respectively connected in rotation with the two frame plates; The second motor (8) is fixedly arranged on the outside of one of the frame plates, and the output shaft of the second motor (8) is connected to the rotating shaft through transmission. 5. The pressure-adjustable and visible nasal cavity hemostat according to claim 1, characterized in that grooves are provided on both sides of the rotating plate (2); the push rod mechanism includes: Two sets of symmetrically arranged lead screw structures; each set of lead screw structures includes: The motor plate (16) is fixedly arranged in the groove; The push plate (14) is slidably arranged in the groove; Leading screw (15), one end is rotatably connected with one side of described motor plate (16), and the other end passes through described push plate (14), and is rotatably connected with the other end of described rotating plate (2); The leading screw (15) is threadedly matched with the push plate (14); The third motor (17) is fixedly arranged on the other side of the motor plate (16), and its output shaft is connected with the transmission of the leading screw (15); Two push rods (9), one end is fixedly arranged on one side of the push plate (14), the other end passes through the other end of the rotating plate (2), and is fixedly connected with the end face of the moving ring (10) . 6. The pressure-adjustable and visible nasal cavity hemostat according to claim 2, characterized in that, the moving ring (10) is circumferentially fixed with a plurality of U-shaped frames, and each of the first connecting rods (11 The two sides of one end of ) are respectively connected with the two sides of a described U-shaped frame through the first short shaft; the end of the fixed rod (12) is provided with several square grooves along the circumference, and each of the second The two sides of the other end of the connecting rod (13) are respectively rotatably connected with the two sides of one of the square grooves through the second short shaft. 7. The pressure-adjustable and visible nasal cavity hemostat according to claim 1, wherein the material of the hemostatic layer is a sterile fiber layer. 8. The pressure-adjustable and visible nasal cavity hemostat according to claim 1, further comprising a display; the display is connected to the camera (19) through wireless communication.

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