CN210903159U - Medical stitching instrument - Google Patents

Abstract

The medical suturing device comprises a left suturing clamp and a right suturing clamp, wherein the left suturing clamp and the right suturing clamp have the same structure; the right suture forceps comprise a left forceps handle and a right forceps handle, the upper end parts of the left forceps handle and the right forceps handle are arranged in a crossed hinged mode, the lower end part of the right forceps handle is provided with a grab handle, the lower end part of the left forceps handle is provided with a thumb buckle ring, the upper end of the right forceps handle is connected with an ejector plate, the ejector plate is of a fork-shaped structure, the left side of the upper end part of the left forceps handle is connected with a suture needle, a channel is formed in the suture needle, the outer arc surface of the front end part of the suture needle is provided with a bayonet, the bayonet is communicated with the channel, a fixing clamping strip penetrates through the channel, a; to sum up, adopt the utility model discloses can puncture to patient's wound effectively and sew up, avoid sewing up the risk of needle slippage, make the line changing operation of sewing up the in-process more convenient.

Description

medical stapler

technical field

The utility model belongs to the field of medical technology, in particular to a medical stapler.

Background technique

Surgical incisions and wounds caused by trauma need to be sutured. Suture needles and needle holders are widely used clinically. The suture needle is composed of a needle body and a needle eye. Clamping the needle body for suture, the needle body is not easy to pierce the skin, and the needle holder is heavy and laborious to use, and because the needle holder and the needle body form a certain angle, it is easy to make the force asymmetric during suture. The body is bent or even broken, and sometimes the needle holder is unstable, and it is easy to slip or even fall off, causing medical accidents. Sometimes it is necessary to change the thread several times during suturing, which is troublesome. There is no suturing device that can solve the above problems.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides a medical stapler, which can effectively puncture and suture a patient's wound, avoid the suture needle from slipping or breaking, causing medical accidents, and changing the line is more convenient.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: a medical stapler includes a left suture forceps and a right suture forceps, and the left suture forceps and the right suture forceps have the same structure;

The right suture pliers include a left pliers handle and a right pliers handle, the upper ends of the left pliers handle and the right pliers handle are cross-hingedly arranged, the lower end of the right pliers handle is provided with a grip, the lower end of the left pliers handle is provided with a thumb buckle, and the right pliers The upper end of the handle is connected with a thimble plate, the thimble plate is a fork-shaped structure, the left side of the upper end of the left clamp handle is connected with a suture needle, a channel is opened in the suture needle, and a bayonet is opened on the outer arc surface of the front end of the suture needle, and the bayonet is connected with the suture needle. The channel is connected, a fixed clip is passed through the channel, a cavity is opened in the left clamp handle, and a fixed clip toggle device is arranged in the cavity;

The fixed clip toggle device includes a toggle lever, which is inclined and arranged in the cavity from the lower left of the lower end to the upper right of the upper end. There is a first spring, the left end of the first spring is connected to the inner wall of the left clamp handle, the lower end of the lever is hinged with a first connecting rod, the front side of the lower end of the first connecting rod is rotatably connected with a pin shaft, and the front edge of the lower end of the left clamp handle A sliding hole is provided in the axial direction, the pin shaft passes forward through the left pliers handle and is slidably connected in the sliding hole and is connected with the index finger buckle. T-shaped slider, the tail end of the fixed clip penetrates into the left clamp handle and is hinged on the T-shaped slider.

There is an inner cavity in the thimble plate, and a crack is opened on the inner U-shaped wall of the thimble plate, and the crack is connected with the inner cavity. In the plate, the lower ends of the two shearing blades are hinged with a second connecting rod, the inner upper end of the right clamp handle is installed with a limit plate, the middle of the limit plate is provided with a pull rod, the upper end of the pull rod is fixed with a retaining ring, and the upper end of the pull rod is sleeved There is a second spring, the upper end of the second spring is connected to the lower side of the retaining ring, the lower end of the second spring is connected to the side surface of the limit plate, the upper end of the pull rod is articulated with the two second connecting rods, and the right side of the lower end of the pull rod is connected with a pin shaft , the pin shaft passes through the right clamp handle to the right and is connected with a pull ring.

The suture needles of the left suture forceps and the right suture forceps have an arc-shaped structure concave backward as a whole, and the needle tips of the suture needles have a straight structure.

The outer arc surfaces of the suture needles of the left suture forceps and the right suture forceps are provided with tick marks.

Padded handle on handle.

By adopting the above technical scheme, the utility model has the following beneficial effects: when using the utility model, the left suture forceps and the right suture forceps are used together, and the medical staff holds the right suture forceps with the right hand and pinch through the cooperation of the thumb buckle and the index finger buckle, Make the lever push the fixed clip to slide in the suture needle, hold the suture in the bayonet, and press the thimble plate against the wound to be sutured by pinching the handle and the thumb buckle, making the needle tip of the suture needle easier to puncture the patient Skin surface layer, then rotate and push the left forceps handle to make the suture needle completely pass through the two flaps of the wound, then release the index finger buckle to release the suture line at the bayonet of the suture needle, and withdraw the right suture forceps, the medical staff The left hand holds the left suture forceps, clamps the suture in the bayonet of the suture needle and sutures from left to right again; the utility model integrates the suture needle and the needle holder into a whole, which avoids medical accidents caused by the slippage of the suture needle; The front end is set in a straight line, which is convenient for puncturing the skin of the patient's wound with the thimble plate, which reduces the difficulty of puncturing the epidermis of the patient with the suture needle; The length is longer than the length of the pliers handle above the hinge, so that it is more labor-saving when suturing the wound; when the suture needs to be cut after the suture is completed, the pull ring of the right pliers handle can be pulled to drive the cutting blade in the ejector plate to cut the suture. shear.

To sum up, the utility model can effectively puncture and suture the wound of a patient, avoid the risk of slippage of the suture needle, and make the thread changing operation in the suture process more convenient.

Description of drawings

Fig. 1 is the structural representation of the right suture forceps of the present utility model;

Fig. 2 is the structural representation of the thimble plate of the present utility model;

Figure 3 is a schematic structural diagram of the suture needle of the right suture forceps of the present invention;

FIG. 4 is a partial enlarged view of part I in FIG. 1 .

Detailed ways

As shown in Figures 1-4, the medical stapler of the present invention includes a left suture forceps and a right suture forceps. The left and right suture forceps are used together. The left and right suture forceps have the same structure. The suture forceps are set as a mirror image structure according to the shape of the human hand;

The right suture pliers include a left pliers handle 2 and a right pliers handle 1, the upper ends of the left pliers handle 2 and the right pliers handle 1 are arranged in a cross-hinged manner, the lower end of the right pliers handle 1 is provided with a handle 3, and the lower end of the left pliers handle 2 is provided with a handle 3. There is a thumb buckle 4, the upper end of the right clamp handle 1 is connected with a thimble plate 5, the thimble plate 5 is a fork-shaped structure, the left side of the upper end of the left clamp handle 2 is connected with a suture needle 6, and a channel is opened in the suture needle 6 for suturing. A bayonet 7 is provided on the outer curved surface of the front end of the needle 6, the bayonet 7 is communicated with a channel, a fixed clip 8 is penetrated in the channel, a cavity 10 is opened in the left clamp handle 2, and a fixed clip is arranged in the cavity 10 toggle device;

The fixed clip toggle device includes a toggle lever 11, the toggle lever 11 is inclined and arranged in the cavity 10 from the lower left of the lower end to the upper right of the upper end. 11. A first spring 12 is connected to the right side of the lower end of the first spring 12, the left end of the first spring 12 is connected to the inner wall of the left clamp handle 2, the lower end of the lever 11 is hinged with a first connecting rod 13, and the front side of the lower end of the first connecting rod 13 is rotatably connected There is a pin shaft 14, the front side of the lower end of the left pliers handle 2 is provided with a sliding hole 9 along the axis direction, the pin shaft 14 passes forward through the left pliers handle 2 and is slidably connected in the sliding hole 9 and is connected with the index finger buckle 15, the lever. The left side of the front end of 11 is provided with a T-shaped sliding groove, and a T-shaped sliding block 16 is slidably connected in the T-shaped sliding groove.

There is an inner cavity in the ejector plate 5, a crack 19 is opened on the inner U-shaped wall of the ejector plate 5, and the crack 19 is communicated with the inner cavity. The lower ends of the two shearing blades 20 are hinged in the thimble plate 5 by cross-hinging, the lower ends of the two shearing blades 20 are both hinged with a second connecting rod 21, the upper end of the right clamp handle 2 is installed with a limit plate 22, and the middle of the limit plate 22 is provided with a pull rod 23. The upper end of the pull rod 23 is fixedly provided with a retaining ring 24, the upper end of the pull rod 23 is sleeved with a second spring 25, the upper end of the second spring 25 is connected to the lower side of the retaining ring 24, and the lower end of the second spring 25 is connected to the upper side of the limit plate 22 The upper end of the pull rod 23 is articulated with the two second connecting rods 21, the lower end of the pull rod 23 is connected with a pin shaft on the right side, and the pin shaft passes through the right clamp handle to the right and is connected with a pull ring 26.

The suture needles 6 of the left suture forceps and the right suture forceps have an arc-shaped structure that is recessed backward, and the needle tips of the suture needles 6 are of a straight structure.

The outer arc surfaces of the suture needles 6 of the left suture forceps and the right suture forceps are provided with scale lines 17 .

A soft pad 18 is provided on the handle 3 .

When using the utility model, the left suture forceps and the right suture forceps are used together, the medical staff holds the right suture forceps with the right hand, the thumb is buckled in the thumb buckle 4, the index finger is buckled in the index finger buckle 15, and the remaining three fingers are buckled in the handle 3 Inside, by pinching the thumb buckle 4 and the index finger buckle 15, the pin shaft 14 slides down along the sliding hole 9, and the first connecting rod 13 pulls the toggle lever 11, so that the toggle lever 11 wraps around the fixed hinge at the front end of the toggle lever 11. The shaft rotates to make the front end of the lever 11 move the fixed clip 8, and the fixed clip 8 slides along the channel in the suture needle 6. At this time, the suture is clamped at the bayonet 7 of the outer arc surface of the suture needle 6, so that the fixed clip The strip 8 is inserted into the bayonet 7 to hold the suture, and then the handle 3 is pinched, so that the thimble plate 5 presses the left flap of the patient's wound, and the patient's wound flap is placed on the needle tip of the suture needle 6 and the thimble plate. 5, through the pinching of the thumb buckle 4 and the handle 3, under the cooperation of the needle tip of the suture needle 6 and the thimble plate 5, the suture needle 6 can smoothly pass through the wound flap, and then pass the thumb buckle 4 and the index finger buckle. The holding effect of the ring 15 on the device makes the suture needle 6 completely pass through the patient's wound flap, and then release the thumb buckle 4 and the index finger buckle 15, so that the suture on the suture needle 6 of the right suture forceps is released, and the medical staff In the same way, hold the left suture forceps with the left hand, re-clamp the suture in the bayonet 7 of the suture needle 6, return the suture needle 6 of the right suture forceps, and continue to use the left suture forceps for suture; Knot the suture and cut off the excess suture. The medical staff inserts the index finger into the pull ring 26 and pulls the pull ring 26 downward. The pull ring 26 drives the pull rod 23 to move downward, and the pull rod 23 is driven by the second connecting rod 21 The two shearing blades 20 are used for shearing, so as to cut off the excess suture. After releasing the pull ring 26, the elastic force of the second spring 25 pushes the retaining ring 24 to move upward, thereby pushing the pull rod 23 to move upward, so that the two The shearing blade 20 is reset.

This embodiment does not limit the shape, material, structure, etc. of the present invention in any form, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the technology of the present invention. The scope of protection of the program.

Claims (5)

1. Medical stitching instrument, its characterized in that: comprises a left suture forceps and a right suture forceps which have the same structure;

the right suture forceps comprise a left forceps handle and a right forceps handle, the upper end parts of the left forceps handle and the right forceps handle are arranged in a crossed hinged mode, the lower end part of the right forceps handle is provided with a grab handle, the lower end part of the left forceps handle is provided with a thumb buckle ring, the upper end of the right forceps handle is connected with an ejector plate, the ejector plate is of a fork-shaped structure, the left side of the upper end part of the left forceps handle is connected with a suture needle, a channel is formed in the suture needle, the outer arc surface of the front end part of the suture needle is provided with a bayonet, the bayonet is communicated with the channel, a fixing clamping strip penetrates through the channel, a;

fixing clamp strip striking gear includes the driving lever, the driving lever sets up in the cavity from lower extreme left side below to upper end upper right side slope, the driving lever upper end passes through the hinge fixed hinge on left side pincers handle inner wall, the tip right side is connected with first spring under the driving lever, first spring left end is connected on left side pincers handle inner wall, driving lever lower extreme activity articulates there is the head rod, the tip front side rotation is connected with the round pin axle under the head rod, the tip front side has seted up the slide opening along the axis direction under the left side pincers handle, the round pin axle is worn out left side pincers handle sliding connection forward in the slide opening and is connected with the forefinger buckle, T type spout has been seted up on the left of the driving lever front end, sliding connection has T type slider in the T type spout, the tail end of fixing clamp.

2. The medical stapler of claim 1, wherein: the thimble board is internally provided with an inner cavity, the crack has been seted up on the inboard U type wall of thimble board, crack and inner cavity intercommunication, install two shear blade in the thimble board, the tip passes through hinge cross hinge in the thimble board under two shear blade, two shear blade lower extreme all articulate there is the second connecting rod, the limiting plate is installed to the upper end in the right side pincers handle, the pull rod is worn to be equipped with at the limiting plate middle part, the fixed retaining ring that is equipped with in pull rod upper end, pull rod upper end cover is equipped with the second spring, the second spring upper end is connected at the retaining ring downside, the second spring lower extreme is connected in the limiting plate to the side, the pull rod upper end is articulated with two second connecting rods, tip right side is connected with the.

3. The medical stapler of claim 1, wherein: the left stitching forceps and the right stitching forceps are integrally of arc-shaped structures which are sunken backwards, and the needle point part of the stitching needle is of a linear structure.

4. The medical stapler of claim 1, wherein: the outer cambered surfaces of the suture needles of the left suture forceps and the right suture forceps are provided with scale marks.

5. The medical stapler of claim 1, wherein: the grab handle is provided with a cushion.

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