CN211325386U

CN211325386U - Surgical forceps

Info

Publication number: CN211325386U
Application number: CN201921730566.4U
Authority: CN
Inventors: 丁金勇; 谭成双; 朱金土
Original assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Current assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-08-25
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to the technical field of medical equipment, and discloses an operating forceps, which comprises a forceps rod, a fixed forceps head, a movable forceps head, a connecting rod, a fixed handle and a movable handle, wherein the fixed forceps head is fixedly arranged at one end of the forceps rod, the fixed handle is fixedly arranged at the other end of the forceps rod, the front end of the fixed forceps head is provided with a positioning needle, the movable forceps head is rotatably connected with the rear end of the fixed forceps head, the lower side of the fixed forceps head is provided with a chute for the movable forceps head to rotate, and the fixed forceps head and/or the movable forceps head are provided with cutting edges; the movable handle is rotatably connected with the fixed handle, a sliding groove is formed in the movable handle, one end of the connecting rod is in sliding fit with the sliding groove, the other end of the connecting rod is rotatably connected with the movable binding clip, and the movable binding clip is driven to rotate through rotation of the movable handle so as to realize opening and closing between the movable binding clip and the fixed binding clip. The utility model discloses a positioning needle of its front end can insert the ligamentum flavum in, makes the operation pincers can fix in the ligamentum flavum and can not the slippage, can fully sting the ligamentum flavum that removes scope field of vision lower limb.

Description

Surgical forceps

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an operation pincers.

Background

The traditional open surgery of lumbar disc herniation or lumbar spinal stenosis (lateral recess stenosis) needs a large incision, widely peels off skin, fascia and paraspinal muscles, bites off vertebral plates and part of articular processes, causes the stable structure of the posterior column of the spine to be greatly damaged, and is easy to cause lumbar instability and long-term lumbago and backache after the surgery. The percutaneous intervertebral foramen mirror technology has the advantages of smaller incision, less blood loss, shorter operation and hospitalization time and the like, the operation working sleeve is directly placed into the vertebral canal through a series of expanding pipelines, the operation visual field can be enlarged through an advanced camera system, and the dura mater sac, the nerve root and the vascular plexus in the vertebral canal can be accurately and clearly identified and protected in the operation; meanwhile, the clear operative field ensures that the operation of various operations is more accurate, and the integrity of the posterior ligament composite structure of the spine is kept to the maximum extent.

With the maturity of the application of the intervertebral foramen mirror technology, the lumbar intervertebral disc prolapse and the spinal infection can be applied to completely or furthest excise the hypertrophic yellow ligament or other tissues; the operation under the intervertebral foramen mirror is under the working channel that the diameter is 4.3mm or 4.5mm, bite and remove yellow ligament through the operation pincers, and the stenosis of working channel and the edge of yellow ligament at the scope field of vision, the operation pincers can not bite and remove yellow ligament in limited workspace at will, because the opening angle of operation pincers is limited, can only bite a little fat yellow ligament, and yellow ligament surface is smooth, the operation pincers are difficult to fix on yellow ligament, lead to the operation pincers slippage and can not fully bite and remove yellow ligament.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an operating forceps which can be fixed in the ligamentum flavum and can not slip.

In order to achieve the purpose, the utility model provides an operating forceps, which comprises a forceps rod, a fixed forceps head, a movable forceps head, a connecting rod, a fixed handle and a movable handle, wherein the fixed forceps head is fixedly arranged at one end of the forceps rod, the fixed handle is fixedly arranged at the other end of the forceps rod, the front end of the fixed forceps head is provided with a positioning needle, the movable forceps head is rotatably connected with the rear end of the fixed forceps head, the lower side of the fixed forceps head is provided with a chute for the movable forceps head to rotate, and the fixed forceps head and/or the movable forceps head are provided with cutting edges;

the movable handle is rotatably connected with the fixed handle, the movable handle is connected with the movable binding clip through the connecting rod, a sliding groove is formed in the movable handle, one end of the connecting rod is in sliding fit with the sliding groove, the other end of the connecting rod is rotatably connected with the movable binding clip, and the movable binding clip is driven to rotate through rotation of the movable handle, so that the movable binding clip and the fixed binding clip are opened and closed.

As the preferred scheme of the utility model, the tong pole is equipped with the cavity inner chamber, the connecting rod is inserted and is located the cavity inner chamber of tong pole.

As the utility model discloses preferred scheme, the activity binding clip through the pivot with the rear end of fixed binding clip is connected, the activity handle through the pivot with fixed handle connects, the one end of connecting rod through the pivot with the activity binding clip is connected, the other end of connecting rod be equipped with sliding tray sliding fit's slider.

As the preferred scheme of the utility model, the axis of fixed binding clip with the contained angle between the axis of tong pole is 0.

As the preferred scheme of the utility model, the axis of fixed binding clip with the contained angle between the axis of tong pole is 30.

As the preferred proposal of the utility model, the included angle between the axis of the fixed binding clip and the axis of the binding clip is 45 degrees.

As the preferred proposal of the utility model, the length of the positioning needle is 4.0mm to 6.0 mm.

As the preferred proposal of the utility model, the diameter of the clamping rod is 2.0 mm-3.0 mm.

As the preferable proposal of the utility model, the sum of the lengths of the clamp rod and the fixed clamp head is 320-350 mm.

As the preferable proposal of the utility model, the surgical forceps are made of medical stainless steel or titanium alloy material.

Compared with the prior art, the embodiment of the utility model, the operation forceps has the advantages that:

the embodiment of the utility model provides an in operation pincers get into working channel, during the pilot pin of its front end can insert the ligamentum flavum, make operation pincers can fix in the ligamentum flavum and can not the slippage, can fully sting the ligamentum flavum that removes scope field of vision lower limb.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

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

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

fig. 3 is a schematic structural view of embodiment 3 of the present invention;

in the figure, 1 is a clamp lever; 2 is a fixed tong head; 3 is a movable tong head; 4 is a connecting rod; 5 is a fixed handle; 6 is a movable handle; 61 is a sliding groove; and 7 is a positioning needle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1, the surgical forceps according to embodiment 1 of the present invention includes a forceps rod 1, a fixed forceps head 2, a movable forceps head 3, a connecting rod 4, a fixed handle 5 and a movable handle 6, wherein the fixed forceps head 2 is fixedly disposed at one end of the forceps rod, the fixed handle 5 is fixedly disposed at the other end of the forceps rod, an included angle between an axis of the fixed forceps head and an axis of the forceps rod is 0-45 °, in this embodiment, an included angle between an axis of the fixed forceps head 2 and an axis of the forceps rod 1 is 0 °, a positioning pin 7 is disposed at a front end of the fixed forceps head 2, the movable forceps head 3 is rotatably connected to a rear end of the fixed forceps head 2, a sliding groove for rotating the movable forceps head 3 is disposed at a lower side of the fixed forceps head 2, a cutting edge is disposed on the fixed forceps head 2 and/or the movable forceps head 3, preferably, cutting edges are disposed on the fixed forceps head 2 and the movable forceps head 3, the movable handle 6 is rotatably connected with the fixed handle 5, the movable handle 6 is connected with the movable binding clip 3 through the connecting rod 4, a sliding groove 61 is arranged on the movable handle 6, one end of the connecting rod 4 is in sliding fit with the sliding groove 61, the other end of the connecting rod 4 is rotatably connected with the movable binding clip 3, and the movable binding clip 3 is driven to rotate through the rotation of the movable handle 6, so that the movable binding clip 3 and the fixed binding clip 2 are opened and closed; the clamp rod 1 is provided with a hollow inner cavity, the connecting rod 4 is inserted into the hollow inner cavity of the clamp rod 1, the movable binding clip 3 is connected with the rear end of the fixed binding clip 2 through a rotating shaft, the movable handle 6 is connected with the fixed handle 5 through a rotating shaft, one end of the connecting rod 4 is connected with the movable binding clip 3 through a rotating shaft, and the other end of the connecting rod 4 is provided with a sliding block in sliding fit with the sliding groove 61, so that the sliding fit between the connecting rod 4 and the sliding groove 61 on the movable handle 6 is realized; the surgical forceps are made of medical stainless steel or titanium alloy materials.

Illustratively, the length of the positioning needle 7 is 4.0mm to 6.0mm, and the length of the positioning needle 7 is preferably 5mm, so that the positioning needle 7 can be better fixed on the yellow ligament.

Illustratively, the diameter of the clamp rod 1 is 2.0 mm-3.0 mm, the diameter is preferably 2.5mm, the sum of the lengths of the clamp rod 1 and the fixed clamp head 2 is 320 mm-350 mm, and the sum of the lengths is preferably 330mm, so that the clamp rod 1 can smoothly move in a working channel.

Embodiment 2 of the present invention is different from embodiment 1 in that, as shown in fig. 2, an included angle between the axis of the fixed binding clip 2 and the axis of the binding clip 1 is 30 °. The structure of the other part of example 2 was identical to that of example 1.

The embodiment 3 of the present invention is different from the embodiment 1 in that the included angle between the axis of the fixed binding clip 2 and the axis of the binding clip 1 is 45 °. The structure of the other part of example 3 was identical to that of example 1.

The utility model discloses a working process does: when the movable handle 6 is opened, the movable handle 6 is rotationally connected with the fixed handle 5, the movable handle 6 drives the connecting rod 4 to move rightwards along the hollow inner cavity of the clamp rod 1, meanwhile, the sliding groove 61 on the movable handle 6 moves upwards relative to the sliding block on the connecting rod 4, and the movable clamp head 3 is rotationally connected with the fixed clamp head 2 and opened under the driving of the connecting rod 4; when the movable handle 6 is closed, the movable handle 6 is rotatably connected with the fixed handle 5, the movable handle 6 drives the connecting rod 4 to move leftwards along the hollow inner cavity of the binding clip 1, meanwhile, the sliding groove 61 on the movable handle 6 moves downwards relative to the sliding block on the connecting rod 4, the movable binding clip 3 is rotatably connected with the fixed binding clip 2 and closed under the driving of the connecting rod 4, and therefore the fixed binding clip 2 and the movable binding clip 3 are matched to cut off the ligamentum flavum.

To sum up, the embodiment of the utility model provides an operation clamp, the pilot pin 7 of its front end can insert the ligamentum flavum in, makes operation clamp can fix in the ligamentum flavum and can not the slippage, can fully sting the ligamentum flavum that removes scope field of vision lower limb.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A pair of surgical forceps is characterized by comprising a forceps rod, a fixed forceps head, a movable forceps head, a connecting rod, a fixed handle and a movable handle, wherein the fixed forceps head is fixedly arranged at one end of the forceps rod, the fixed handle is fixedly arranged at the other end of the forceps rod, a positioning needle is arranged at the front end of the fixed forceps head, the movable forceps head is rotatably connected with the rear end of the fixed forceps head, a sliding groove for the movable forceps head to rotate is formed in the lower side of the fixed forceps head, and cutting edges are arranged on the fixed forceps head and/or the movable forceps head;

2. The surgical clamp of claim 1, wherein said clamping bar defines a hollow interior, and said connecting bar is inserted into said hollow interior of said clamping bar.

3. The surgical clamp of claim 1, wherein the movable binding clip is connected to the rear end of the fixed binding clip by a rotating shaft, the movable handle is connected to the fixed handle by a rotating shaft, one end of the connecting rod is connected to the movable binding clip by a rotating shaft, and the other end of the connecting rod is provided with a slider which is in sliding fit with the sliding groove.

4. The surgical clamp of claim 1, wherein the angle between the axis of the stationary jaw and the axis of the shaft is 0 °.

5. The surgical clamp of claim 1, wherein the angle between the axis of the stationary jaw and the axis of the shaft is 30 °.

6. The surgical clamp of claim 1, wherein the angle between the axis of the stationary jaw and the axis of the shaft is 45 °.

7. The surgical clamp of claim 1, wherein the positioning pin has a length of 4.0mm to 6.0 mm.

8. The surgical clamp of claim 1, wherein the shaft has a diameter of 2.0mm to 3.0 mm.

9. The surgical clamp of claim 1, wherein the sum of the lengths of the clamp bar and the fixed clamp head is 320mm to 350 mm.

10. The forceps of claim 1, wherein the forceps are made of a medical grade stainless steel or titanium alloy material.