CN211834600U - Measurable gun type reverse-opening pliers - Google Patents

Abstract

The utility model discloses a measurable quantity gun type reverse-open pincers, the duckbilled head passes through the transmission shaft and is connected with the transfer line, the transfer line passes through the catch shaft and links to each other with the catch bar, the catch bar afterbody is equipped with the supporting shoe, the duckbilled head passes through the connecting axle and is connected with the clamping bar, be equipped with the inside groove in the clamping bar, be equipped with the stopper in the ratchet, clamping bar and ratchet fixed connection, the cover is equipped with the spring on the catch bar, ratchet is connected with fixed handle, fixed handle is equipped with the inner chamber, the catch bar passes the stopper and extends to the inner chamber in, fixed handle passes through the rotation axis with the movable handle and is connected, the movable handle is equipped with anti-skidding rubber, the movable handle is equipped with fan-shaped scale, be equipped with fan-shaped spout in the fan-shaped spout on the. The utility model is simple in operation, be applicable to narrow and small space, can 360 degrees rotations, measure accurately.

Description

Measurable gun type reverse-opening pliers

Technical Field

The utility model relates to the field of medical equipment, a measurable quantity gun type reversal pincers particularly.

Background

Gun-type recoil clamps are medical instruments commonly used in neurosurgery and ear-nose-throat operations, and are used for opening the paranasal sinuses and nasal septum. At present, when angles and lengths are measured in a deep and narrow surgical area, a tape measure and a protractor are generally placed in the surgical area for measurement, and the result is easily influenced by human factors due to the fact that the tape measure and the protractor cannot be deeply measured in a surgical cavity by the traditional methods, so that great errors exist, and certain influence can be caused on the operation. Particularly, when the instrument is used for measuring an operation cavity with a small opening and a large cavity gap or running outwards in a splayed shape, no instrument suitable for measurement exists.

Disclosure of Invention

In order to solve the problem, the utility model provides a reverse pincers that open of measurable quantity rifle formula, aim at provide one kind can measure reading, rotatable measuring pincers in narrow and small space or the extroversion of "eight" style of calligraphy is walked the art intracavity of walking.

In order to achieve the above object, the utility model provides a pair of measurable quantity gun type reversal pincers realizes like this: the duck mouth head is connected with the transmission rod through the transmission shaft, the transmission rod is connected with the pushing rod through the pushing shaft, the tail part of the other end of the pushing rod is provided with a supporting block, the duck mouth head is connected with the jaw rod through the connecting shaft, an inner groove is arranged in the jaw rod, the pushing rod and the transmission rod move in the inner groove, a limiting block is arranged in the ratchet device, the jaw rod is fixedly connected with the ratchet device, a spring is sleeved on the pushing rod and is connected with the supporting block in an abutting mode, the ratchet device is connected with the fixed handle, the fixed handle is provided with an inner cavity, the pushing rod penetrates through the limiting block and extends into the inner cavity, the pushing rod sleeved with the spring moves in the inner cavity, the fixed handle is connected with the movable handle through the rotating shaft, the movable handle is provided with anti-skid rubber, and the movable handle is provided, a fan-shaped chute is arranged in the fan-shaped graduated scale, and a circular pointer is arranged in the fan-shaped chute on the fixed handle.

Furthermore, the opening and closing angle of the duck bill head is 0-45 degrees.

Furthermore, the ratchet device adjusts the direction angle of the duckbill head to be 0-360 degrees.

Furthermore, the movable handle is arranged in front of the fixed handle.

Furthermore, the supporting block is connected with the movable handle in a separation and combination mode.

Furthermore, the upper end of the fan-shaped graduated scale is provided with angle graduated lines, and the lower end of the fan-shaped graduated scale is provided with length graduated lines.

Because the utility model discloses an above technique to following beneficial effect has been obtained: 1. the gun type structure is convenient to hold and operate; 2. the duckbill head of the reverse angle type structure enters an operation cavity in a closed state, so that the tissues around an operation channel are prevented from being damaged due to overlarge diameter, and measurement is carried out by controlling the opening of the duckbill head of the movable handle after the duckbill head enters the operation cavity; 3. the device is suitable for narrow spaces such as endoscopes and microscopes; 4. the round pointer on the fan-shaped graduated scale points out the angle and the length, which is convenient for the medical care workers to check the record; 5. the ratchet wheel device can enable the whole pliers rod to rotate 360 degrees and adjust the pliers rod to a proper direction for measurement.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure diagram of the present invention.

Figure 3 is a schematic view of the duck bill head of the present invention opened.

Fig. 4 is a schematic structural view of the fan-shaped scale of the present invention.

In the figure, 1, a duckbilled head, 2, a forceps rod, 3, a connecting shaft, 4, a pushing rod, 5, a transmission shaft, 6, a pushing shaft, 7, a ratchet device, 8, a fixed handle, 9, a rotating shaft, 10, a movable handle, 11, anti-skid rubber, 12, a circular pointer, 13, a fan-shaped chute, 14, a fan-shaped graduated scale, 141, angle scale marks, 142, length scale marks, 15, a spring, 16, a supporting block, 17, an inner cavity, 18, a limiting block, 19, a transmission rod, 20 and an inner groove.

Detailed Description

As shown in figures 1, 2 and 4, a measurable gun type reverse-stretching pliers, a duckbill head 1 is connected with a transmission rod 19 through a transmission shaft 5, the transmission rod 19 is connected with a push rod 4 through a push shaft 6, the tail part of the other end of the push rod 4 is provided with a supporting block 16, the duckbill head 1 is connected with a tong rod 2 through a connecting shaft 3, an inner groove 20 is arranged in the tong rod 2, the push rod 4 and the transmission rod 19 move in the inner groove 20, a limiting block 18 is arranged in a ratchet device 7, the tong rod 2 is fixedly connected with the ratchet device 7, a spring 15 is sleeved on the push rod 4 and is connected with the supporting block 16 in a propping manner, the ratchet device 7 is connected with a fixed handle 8, the fixed handle 8 is provided with an inner cavity 17, the push rod 4 passes through the limiting block 18 and extends into the inner cavity 17, the push rod 4 sleeved with the spring 15 moves in the inner cavity 17, the, the movable handle 10 is provided with a fan-shaped graduated scale 14, a fan-shaped chute 13 is arranged in the fan-shaped graduated scale 14, and a circular pointer 12 is arranged in the fan-shaped chute 13 on the fixed handle 8.

Furthermore, the opening and closing angle of the duck mouth head 1 is 0-45 degrees.

Furthermore, the ratchet wheel device 7 adjusts the angle of the direction of the duck mouth head 1 to be 0-360 degrees.

Further, a movable handle 10 is provided in front of the fixed handle 8.

Further, the support block 16 is connected to the movable handle 10 in a separate coupling manner.

Further, the fan-shaped scale 14 has an angle scale mark 141 at the upper end and a length scale mark 142 at the lower end.

The utility model discloses specific embodiment does: it is handheld to medical personnel's worker, duckbill 1 probes into art chamber under the closed state, reach the measuring position, 7 adjustment directions of rotatory ratchet device, make duckbill 1's direction and the laminating of the tissue that needs the measurement, movable handle 10 is held tightly gradually, promote 16 forward movements of supporting shoe, it is forward to drive catch bar 4, and then promote transfer line 19, transfer line 19 jack-up duckbill 1 upwards, make duckbill 1 open, and keep the hand grip to read numerical value and take notes on fan-shaped scale 14, the angle that opens and shuts through duckbill 1 reads the angle that needs the measurement tissue, open and shut length through duckbill 1 and read the length of tissue. After the measurement is finished, the movable handle 10 is loosened, and the supporting block 16 drives the push rod 4 and the transmission rod 19 to move backwards through the reset action of the spring 15, so that the duck mouth head 1 is closed and taken out from the operation cavity.

Claims (6)

1. The utility model provides a measurable quantity gun type reversal pincers which characterized in that: the duck mouth head (1) is connected with a transmission rod (19) through a transmission shaft (5), the transmission rod (19) is connected with a push rod (4) through a push shaft (6), the tail part of the other end of the push rod (4) is provided with a supporting block (16), the duck mouth head (1) is connected with a clamp rod (2) through a connecting shaft (3), an inner groove (20) is arranged in the clamp rod (2), the push rod (4) and the transmission rod (19) move in the inner groove (20), a limiting block (18) is arranged in the ratchet wheel device (7), the clamp rod (2) is fixedly connected with the ratchet wheel device (7), the push rod (4) is sleeved with a spring (15) to be abutted against the supporting block (16), the ratchet wheel device (7) is connected with a fixed handle (8), the fixed handle (8) is provided with an inner cavity (17), and the push rod (4) passes through the limiting block (18) to extend into the inner cavity (17), the cover has catch bar (4) of spring (15) to move about in inner chamber (17), fixed handle (8) be connected through axis of rotation (9) with activity handle (10), activity handle (10) be provided with anti-skidding rubber (11), activity handle (10) be provided with fan-shaped scale (14), be equipped with fan-shaped spout (13) in fan-shaped scale (14), fixed handle (8) on be equipped with circular pointer (12) in fan-shaped spout (13).

2. The measurable gun-type recoil clamp of claim 1, wherein: the opening and closing angle of the duck mouth head (1) is 0-45 degrees.

3. The measurable gun-type recoil clamp of claim 1, wherein: the ratchet device (7) adjusts the angle of the duckbill head (1) in the direction to be 0-360 degrees.

4. The measurable gun-type recoil clamp of claim 1, wherein: the movable handle (10) is arranged in front of the fixed handle (8).

5. The measurable gun-type recoil clamp of claim 1, wherein: the supporting block (16) is connected with the movable handle (10) in a separation and combination mode.

6. The measurable gun-type recoil clamp of claim 1, wherein: the upper end of the fan-shaped graduated scale (14) is provided with angle graduated lines (141), and the lower end thereof is provided with length graduated lines (142).

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