CN108433785B - Medical scissors pincers convenient to tailor - Google Patents

Abstract

The invention relates to a medical scissors forceps which is convenient for cutting, comprising an upper forceps body, a lower forceps body, a lower arm and an upper arm. Connected; the right end of the lower arm has a lower handle, the upper arm has an upper handle, the left end of the upper handle is hinged with the upper arm, and the left end of the upper handle has a limited protrusion; The arm is hinged, the right end of the adjusting arm is placed under the lower arm, the adjusting arm is provided with a support rod, and the lower end of the support rod is slidably connected with the adjusting arm; there is a slidable blade on the upper clamp body, and the blade of the blade is opposite to the lower clamp body In addition, the blade of the blade is inclined to the left, and the lower tong body is provided with a vacant slot; the upper tong body has a slidable sliding rod, the left end of the sliding rod is connected with the blade, and the right end of the sliding rod is hinged with the upper end of the support rod, and the sliding The rod is sleeved with a spring; the upper handle is provided with a pressure rod placed under the upper handle, the upper end of the pressure rod is connected with the upper handle, and the lower end of the pressure rod is in contact with the right part of the adjusting arm.

Description

A kind of medical scissors pliers for easy cutting

technical field

The invention relates to the field of medical supplies, in particular to a medical scissors forceps which is convenient for cutting.

Background technique

Scissors and clamps are commonly used medical instruments and are widely used in various medical links. At present, commonly used scissors and clamps are used relatively independently and need to be replaced frequently. Although they can meet the needs of use to a certain extent, there are still many insufficient.

Scissors are often used for thread trimming, gauze, bandage or stitch removal, etc. Currently, commonly used scissors cannot be reliably positioned when cutting gauze, bandage or similar sheet-like medical products, so the incision after trimming is not neat, especially It is a woven product made of gauze or bandage. An irregular incision can easily cause the thread at the incision site to be scattered or fall off, which is inconvenient to use. In addition, when removing sutures, it is necessary to insert the tip of the scissors into the bandage or gauze and the patient. Only the parts that are in contact with the body can be cut, and the tips of the scissors are usually sharp, which can easily cut the patient's skin and cause unnecessary trouble to the patient.

Clamps are usually used for hemostasis, grasping human tissue or taking out foreign objects, etc. When clipping human tissue or taking out foreign objects, due to the interconnection between human tissues, the foreign objects in the body will also cause tissue adhesion in the body. Before removal, it is often necessary to use a knife to excise human tissues or foreign bodies from the patient's body; when the surgical incision is small, the excision in the body lacks a strong force support point, and the excision operation is more difficult. The connection of the human body may also be displaced or fall into the tissue fluid and be difficult to find, which is not conducive to the rapid completion of the operation.

SUMMARY OF THE INVENTION

In view of the above situation, in order to make up for the technical deficiencies in the prior art, the present invention provides a kind of medical scissors pliers that is easy to cut, so as to solve the problem of frequent replacement caused by the independent use of the existing scissors and pliers and the insufficiency of functions in the use process. question.

The technical solution of the invention is as follows: the upper clamp body, the lower clamp body, the lower arm and the upper arm are respectively arranged horizontally, the upper clamp body is placed above the lower clamp body, the upper clamp body is fitted with the lower clamp body, and the upper arm is placed on the lower arm The upper clamp body is hingedly connected with the right end of the lower clamp body to form a jaw, the right end of the upper clamp body is connected with the left end of the lower arm, and the right end of the lower clamp body is connected with the left end of the upper arm; The handle, there is an upper handle on the upper arm, the left end of the upper handle is hinged with the left part of the upper arm, and the left end of the upper handle has a limited protrusion. When the upper handle is rotated counterclockwise on the upper arm, the limited protrusion follows the upper The handle rotates and gradually contacts with the upper arm to stop the rotation of the upper handle, preventing the angle between the upper handle and the upper arm from being too large to cause inconvenience when the jaws are opened; The left part of the lower arm is hinged, the right end of the adjusting arm is placed under the lower arm, the adjusting arm is provided with a support rod that can slide along the length direction of the adjusting arm, and the lower end of the support rod is slidably connected with the adjusting arm; the upper clamp body A blade that can slide along the length direction of the upper pliers body is installed on it, the blade of the blade is opposite to the lower pliers body and the blade of the blade is inclined to the left, and the lower pliers body has a matching groove with the edge of the blade, The lower end of the blade portion of the blade is placed in the abdication groove; the upper clamp body is provided with a horizontally arranged sliding rod that can slide along the length direction of the upper clamp body, the left end of the sliding rod is connected with the blade, and the right end of the sliding rod is connected with the support rod. The upper end is hinged, the sliding rod is sleeved with a spring, one end of the spring is connected with the upper clamp body, and the other end of the spring is connected with the right end of the sliding rod; the upper handle has a pressure rod placed under the upper handle, the pressure rod The upper end of the rod is connected with the upper handle, and the lower end of the pressing rod is in contact with the right part of the adjusting arm.

The invention has exquisite structure and simple operation, and can be used as clamps or scissors as required, which can not only achieve effective positioning during cutting, ensure the neatness of the incision, but also effectively avoid the possibility of stitches being removed and other operations in direct contact with the patient. The occurrence of secondary damage improves the safety of use.

Description of drawings

Figure 1 is a front view of the present invention when the jaws are closed.

Figure 2 is an axonometric view of the present invention when the jaws are closed.

Figure 3 is a front view of the present invention when the jaws are opened.

Figure 4 is an axonometric view of the present invention when the jaws are opened.

FIG. 5 is a front view of the present invention when the jaws are closed for cutting.

6 is an axonometric view of the present invention when the jaws are closed for shearing.

Detailed ways

The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

1 to 6 , the present invention includes an upper forceps body 1 , a lower forceps body 2 , a lower arm 3 and an upper arm 4 arranged horizontally, respectively, the upper forceps body 1 is placed above the lower forceps body 2 and the upper forceps body 1 Fitted with the lower clamp body 2, the upper arm 4 is placed above the lower arm 3; the upper clamp body 1 is hingedly connected with the right end of the lower clamp body 2 to form a jaw, the right end of the upper clamp body 1 is connected with the left end of the lower arm 3, the lower The right end of the clamp body 2 is connected with the left end of the upper arm 4; the right end of the lower arm 3 has a lower handle 5, the upper arm 4 has an upper handle 6, and the left end of the upper handle 6 is hinged with the left of the upper arm 4, and the upper The left end of the handle 6 has a limiting protrusion 7. When the upper handle 6 rotates counterclockwise on the upper arm 4, the limiting protrusion 7 rotates with the upper handle 6 and gradually contacts with the upper arm 4 to stop the rotation of the upper handle 6. , to prevent the angle between the upper handle 6 and the upper arm 4 from being too large to cause inconvenient operation when the jaws are opened; the lower arm 3 has an adjusting arm 8, and the left end of the adjusting arm 8 is hinged with the left part of the lower arm 3, and the adjusting arm The right end of 8 is placed below the lower arm 3, the adjusting arm 8 is provided with a support rod 9 that can slide along the length direction of the adjusting arm 8, and the lower end of the support rod 9 is slidably connected with the adjusting arm 8; There is a blade 10 that can slide along the length direction of the upper caliper body 1, the blade portion of the blade 10 is opposite to the lower caliper body 2 and the blade portion of the blade 10 is inclined to the left, and the lower caliper body 2 has a blade portion opposite to the blade 10. The matching recess 11, the lower end of the edge of the blade 10 is placed in the recess 11; the upper clamp body 1 has a horizontally arranged slide bar 12 that can slide along the length direction of the upper clamp body 1. The left end is connected with the blade 10, the right end of the sliding rod 12 is hinged with the upper end of the support rod 9, the sliding rod 12 is sleeved with a spring 13, one end of the spring 13 is connected with the upper clamp body 1, and the other end of the spring 13 is connected with the right end of the sliding rod 12. Connection; the upper handle 6 has a pressure rod 14 placed under the upper handle 6 , the upper end of the pressure rod 14 is connected with the upper handle 6 , and the lower end of the pressure rod 14 is in contact with the right part of the adjusting arm 8 .

Preferably, the hinge part between the upper handle 6 and the upper arm 4 is provided with a torsion spring, and the torsion spring keeps the upper handle 6 in a counterclockwise direction all the time.

Preferably, the hinge part of the adjusting arm 8 and the lower arm 3 has a torsion spring, and the torsion spring makes the adjusting arm 8 always keep the tendency to rotate counterclockwise.

Preferably, a roller 15 is provided at the hinge part between the sliding rod 12 and the support rod 9, and the outer edge surface of the roller 15 is in contact with the lower end surface of the upper arm 4. When the sliding rod 12 slides on the upper caliper body 1, the roller 15 can be Play a good guiding and supporting role.

Preferably, the lower part of the support rod 9 is provided with a slider 16, the adjusting arm 8 has a sliding groove 17 matching the sliding block 16, the sliding block 16 is placed in the sliding groove 17, and the support rod 9 is formed through the sliding block 16 and The sliding groove 17 slides on the adjusting arm 8 along the length direction of the adjusting arm 8 .

Preferably, the adjusting arm 8 is provided with a positioning bolt 18 corresponding to the lower end of the support rod 9 , and the positioning control of the support rod 9 on the adjusting arm 8 is realized by tightening or loosening the positioning bolt 18 .

When the present invention is used, it can be used as a clamp or scissors according to actual needs. When the clamp function is required, the present invention is placed in the state shown in FIG. 1 and the bolts 18 are tightened. The slider 16 is locked and cannot be Sliding in the chute 17, the relative position between the support rod 9 and the adjusting arm 8 is fixed; when the upper handle 6 is rotated counterclockwise, the limiting protrusion 7 rotates and gradually contacts the upper arm 4. After the upper arm 4 is in contact, continue to rotate the upper handle 6. At this time, the upper arm 4 rotates simultaneously with the upper handle 6 through the push of the limiting protrusion 7, so that the lower clamp body 2 is rotated downward, and at the same time, the lower handle is rotated clockwise. 5. The upper forceps body 1 rotates simultaneously with the lower handle 5 through the lower arm 3, the upper forceps body 1 and the lower forceps body 2 are separated to form long open jaws, move the present invention to the tissue or article that needs to be clamped and make the The tissue or object is placed in the jaws, and the upper handle 6 and the lower handle 5 are rotated to make them approach each other. Since the hinge part of the upper handle 6 and the upper arm 4 has a torsion spring, the torsion force of the torsion spring makes the upper arm 4 follow the upper arm 4. The handle 6 rotates at the same time, so the jaws are gradually closed and the article is clamped; in actual use, an appropriate torsion spring can be selected as required to ensure that the jaws have sufficient clamping force to grip the tissue or article, and also A bolt or a latch is arranged between the upper handle 6 and the upper arm 4 for positioning to obtain better use effect.

When the clamping is successful, continue to exert force on the upper handle 6 and the lower handle 5 to keep them close. When the pressing rod 14 contacts the adjusting arm 8, since the slider 16 is locked by the positioning bolt 18, the support The angle between the rod 9 and the adjustment arm 8 is fixed, so the support rod 9, the adjustment arm 8, and the sliding rod 12 form a triangular structure with constant inner angle and side length. The force cannot change the triangle, so the position of the roller 15 does not change, so the position of the blade 10 does not change, and no cutting action occurs.

When the shearing function needs to be used, loosen the bolt 18, the slider 16 can slide in the chute 17, open the jaws according to the above operation, move the lower jaw body 2 under the item to be cut, and then go up A certain force is applied on the handle 6 and the lower handle 5 to close the jaws. When the jaws are completely closed, continue to exert a force on the upper handle 6 and the lower handle 5, and the pressing rod 14 and the adjusting arm 8 squeeze. Press contact and push the adjusting arm 8 to rotate clockwise on the lower arm 3. Since the angle between the support rod 9 and the adjusting arm 8 is fixed, the length direction of the sliding rod 12 and the length of the support rod 9 are unchanged, so when adjusting When the arm 8 rotates, the support rod 9 rotates accordingly and slides leftward on the adjusting arm 8 to compensate for the change in the distance between the lower end of the support rod 9 and the sliding rod 12 after the adjusting arm 8 rotates; the sliding of the support rod 9 drives the sliding The rod 12 simultaneously slides to the left and compresses the spring 13, causing the blade 10 to slide to the left to cut the item.

When the cutting is completed, a reverse force is applied on the upper handle 6 and the lower handle 5 to keep them away. Under the combined action of the force and the spring 13, the blade 10 slides to the right and gradually resets, and the support rod 9 also Slide to the initial position for the next cut.

When using the present invention for cutting operation, the blade 10 starts to perform the cutting operation after the jaws clamp the article, so the article is effectively positioned by the jaws to ensure that the incision after cutting is neat; The lower end of the blade of 10 is placed in the relinquishment groove 11, so the blade is in full contact with the item, which can ensure that the cutting is completed at one time, and there will be no situation where the part cannot be cut; 2 itself does not have a blade, so when the lower forceps body 2 is inserted into the part where the gauze or bandage is in contact with the patient's body, it will not cause secondary injury such as scratching or stinging to the patient's body, which improves the safety of use.

The invention has exquisite structure and convenient use, integrates the functions of clamp and scissors, and only needs to rotate the bolt to realize the switching of the two functions; at the same time, different from the conventional scissors, the cutting operation provided by the invention not only It can achieve effective positioning during cutting, ensure the neatness of the incision, and can effectively avoid secondary injuries that may occur during operations that have direct contact with the patient such as suture removal, which greatly improves the safety of use; When the pliers or scissors are used, the clamping and cutting operations are controlled by the handle, and no other control mechanism is required, which ensures the convenience of use.

Claims (4)

1. A medical scissors forceps that is convenient for cutting, comprising an upper forceps body (1), a lower forceps body (2), a lower arm (3) and an upper arm (4), characterized in that the upper forceps body (1) It is hingedly connected with the right end of the lower forceps body (2), the right end of the upper forceps body (1) is connected with the left end of the lower arm (3), and the right end of the lower forceps body (2) is connected with the left end of the upper arm (4); The right end of the lower arm (3) is provided with a lower handle (5), the upper arm (4) is provided with an upper handle (6), the left end of the upper handle (6) is hinged with the upper arm (4), and the upper handle (6) The left end has a limiting protrusion (7); the lower arm (3) is provided with an adjusting arm (8), the left end of the adjusting arm (8) is hinged with the lower arm (3), and the right end of the adjusting arm (8) is placed at the bottom Below the arm (3), the adjusting arm (8) is provided with a support rod (9) that can slide along the length direction of the adjusting arm (8), and the lower end of the support rod (9) is slidably connected with the adjusting arm (8); the The upper pliers body (1) is provided with a blade (10) that can slide along the length direction of the upper pliers body (1), the blade (10) is opposite to the lower pliers body (2) and the blade (10) is The lower caliper body (2) is provided with an escape groove (11) that matches the edge of the blade (10), and the lower end of the edge of the blade (10) is placed in the escape groove (11); The upper caliper body (1) is provided with a sliding rod (12) that can slide along the length direction of the upper caliper body (1), the left end of the sliding rod (12) is connected with the blade (10), and the right end of the sliding rod (12) is connected with the support. The upper end of the rod (9) is hinged, the sliding rod (12) is sleeved with a spring (13), one end of the spring (13) is connected with the upper clamp body (1), and the other end of the spring (13) is connected with the sliding rod (12). The right end is connected; the upper handle (6) is provided with a pressure rod (14) placed below the upper handle (6), the upper end of the pressure rod (14) is connected with the upper handle (6), and the pressure rod (14) ) is in contact with the right part of the adjusting arm (8); the lower part of the support rod (9) is provided with a slider (16), and the adjusting arm (8) is provided with a chute (17) matching the slider (16), and the sliding The block (16) is placed in the chute (17) to form a structure in which the support rod (9) slides along the length direction of the adjusting arm (8) on the adjusting arm (8) via the slider (16) and the sliding groove (17). ; The adjusting arm (8) is equipped with a positioning bolt (18) corresponding to the lower end of the support rod (9). 2 . The medical scissors forceps according to claim 1 , wherein a torsion spring is provided at the hinge part of the upper handle ( 6 ) and the upper arm ( 4 ). 3 . 3 . The medical scissors forceps according to claim 1 , wherein a torsion spring is provided at the hinge part of the adjusting arm ( 8 ) and the lower arm ( 3 ). 4 . 4 . The medical scissors forceps according to claim 1 , wherein the hinge part of the sliding rod ( 12 ) and the support rod ( 9 ) has a roller ( 15 ), and the outer edge of the roller ( 15 ) has a roller ( 15 ). 5 . Contact with the lower end face of the upper arm (4).

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