CN209899530U - Automatic suture sheath card guide core - Google Patents

Abstract

The utility model discloses an automatic suture sheath clip guide core, which comprises an outer sleeve (1), a sliding sleeve (2) and an inner rod (3) which are coaxially arranged, wherein the diameter of the sliding sleeve (2) is larger than that of the inner rod (3), the sliding sleeve is coaxially sleeved on the outer side of the inner rod (3), and the top of the inner rod (3) is connected with the middle position of a wing plate (4); the upper end of the sliding sleeve (2) is provided with a return spring (5), the diameter of the return spring (5) is equal to that of the sliding sleeve (2), and the top of the return spring (5) is in compression joint with a pressing head (13); the bottom of the outer sleeve (1) is provided with a conical bottom. The utility model discloses well sewing needle passes through sliding sleeve's slip, wears out from lamella form, and later the lamella form resumes closed state through torsion spring's torsion, and the operator controls the outer tube and leads the core with the sheath card up alright completion suture operation, and this operation can safe effectual going on to it is very convenient.

Description

Automatic suture sheath card guide core

Technical Field

The utility model relates to a medical instrument for general surgery operation, in particular to an automatic sewing sheath clamp guide core.

Background

As the laparoscopic technique is widely developed, it has become an important treatment means for surgery. The minimally invasive surgery is a minimally invasive surgery which can be completed by only punching 2-4 small holes on the abdomen by utilizing a camera system of the laparoscope to display images on a television screen for performing the surgery operation. Compared with the traditional open surgery, has the advantages of small wound, less bleeding, light pain, quick recovery, short discharge time, small incision scar and the like.

The perforation of the laparoscopic surgery is realized by puncturing a sheath card, an instrument channel is provided for the surgery, a puncturing card hole needs to be additionally sutured after the surgery is finished, a fascia layer of the skin needs to be sutured in the laparoscopic surgery, the fascia layer bears the main tension of an incision and is positioned below a dermis layer, the suturing is inconvenient due to the small diameter of the puncturing card hole, and the efficiency of the surgery is influenced to a certain extent.

Disclosure of Invention

An object of the utility model is to provide a safe, convenient automation of operation is sewed up sheath card and is led core.

The utility model discloses a following technical means realize: an automatic suturing sheath clamp guide core comprises an outer sleeve, a sliding sleeve and an inner rod which are coaxially arranged, wherein the diameter of the sliding sleeve is larger than that of the inner rod, the sliding sleeve and the inner rod are coaxially and mutually sleeved on the outer side of the inner rod, and the top of the inner rod is connected to the middle position of a wing; the upper end of the sliding sleeve is provided with a return spring, the diameter of the return spring is equal to that of the sliding sleeve, and the top of the return spring is in compression joint with the pressing head; the bottom of the outer sleeve is provided with a conical bottom, the conical bottom is provided with oppositely arranged petal-shaped pieces, and the petal-shaped pieces are connected with the outer sleeve through torsion springs; the outer sides of the petal-shaped pieces are connected with the arc-shaped elastic holding parts at the lower ends of the wing pieces through the flexible steel wires.

When holding arc elasticity gripping portion, because the effect of carrying of mild steel wire is carried, can make lamella form open, when loosening mild steel wire, because of torsion spring's gyration torsion, lamella form closes.

The bottom of the inner rod is provided with a rotating shaft, two sides of the rotating shaft are respectively connected with the needle seat through rotating rods, and the needle seat is connected with the bottom of the sliding sleeve and moves linearly along with the sliding of the sliding sleeve.

The angle between the needle seat and the sliding sleeve is 30-40 degrees. When the sliding sleeve slides downwards, the rotating rod opens along with the rotation of the rotating shaft, so that the needle base is driven to open towards two sides, and the maximum opening angle of the needle base and the included angle between the sliding sleeve are 30-40 degrees.

The needle stand is in a circular tube shape, the inner side of the needle stand is provided with a hole, and the needle stand is detachably connected with a suture needle. The detachable connection is convenient for replacing the suture needle.

The surface of the back of the petal-shaped piece is provided with a transverse guide groove, and the end point of the guide groove is provided with a through hole for the suture needle to pass through.

The needle stand hole inside be equipped with the internal thread, the sewing needle afterbody outer wall is equipped with the external screw thread.

The suture needle is a straight needle or a curved needle.

The arc-shaped elastic holding part is made of a soft steel wire.

The pressing head is T-shaped. The T-shaped pressure head is in line with human engineering and is more convenient to operate.

The utility model discloses well sewing needle passes through sliding sleeve's slip, wears out from lamella form, and later the lamella form resumes closed state through torsion spring's torsion, and the operator controls the outer tube and leads the core with the sheath card up alright completion suture operation, and this operation can safe effectual going on to it is very convenient.

Drawings

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

FIG. 2 is a schematic view of the petals in an open configuration;

FIG. 3 is a schematic structural view of a torsion spring;

fig. 4 is a top view of the petals.

Wherein, the suture needle comprises 1-an outer sleeve, 2-a sliding sleeve, 3-an inner rod, 4-a wing, 5-a return spring, 6-a petal-shaped part, 7-a torsion spring, 8-an arc elastic holding part, 9-a rotating shaft, 10-a rotating shaft, 11-a needle seat, 12-a suture needle, 13-a pressing head, 14-a transverse guide groove and 15-a through hole.

Detailed Description

The invention is described in further detail below with reference to the drawings in the specification:

example 1:

an automatic suturing sheath clamp guide core comprises an outer sleeve 1, a sliding sleeve 2 and an inner rod 3 which are coaxially arranged, wherein the diameter of the sliding sleeve 2 is larger than that of the inner rod 3, and the sliding sleeve 2 is coaxially and mutually sleeved on the outer side of the inner rod 3; the top of the inner rod 3 is connected to the middle position of the wing 4; the upper end of the sliding sleeve 2 is provided with a return spring 5, the diameter of the return spring 5 is equal to that of the sliding sleeve 2, and the top of the return spring 5 is in compression joint with a pressing head 13; the bottom of the outer sleeve 1 is provided with a conical bottom, the conical bottom is provided with oppositely arranged petals 6, and the petals 6 are connected to the outer sleeve 1 through torsion springs 7; the outer side of the petal-shaped part 6 is connected with an arc-shaped elastic holding part 8 at the lower end of the wing piece 4 through a soft steel wire.

The guide core is extended into the cavity through the channel, the suture thread is penetrated into the needle eye of the suture needle through the inner side of the outer sleeve 1, then the outer sleeve 1 is extended into the operation gap, after the target position is reached, the arc-shaped elastic holding part 8 is held, and the soft steel wire pulls the flap-shaped piece 6 to open the flap-shaped piece.

The bottom of the inner rod 3 is provided with a rotating shaft 9, two sides of the rotating shaft 9 are respectively connected to a needle seat 11 through a rotating rod 10, and the needle seat 11 is connected to the bottom of the sliding sleeve 2 and can do vertical linear motion along the inner rod 3 along with the sliding of the sliding sleeve 2. In the utility model, the tail part of the needle seat 11 is hinged with the sliding sleeve 2, the T-shaped pressing head 13 is pressed by the thumb to press the reset spring 5, the sliding sleeve 2 below is slid downwards, the rotating rod 10 is opened by the extrusion of the sliding sleeve 2 and rotates around the rotating shaft 9, the needle seat 11 and the suture needle 12 on the needle seat and the sliding sleeve 2 are opened to a certain angle, the angle between the needle seat 11 and the sliding sleeve 2 can be 30-40 degrees, the suture needle 12 gradually slides along the transverse guide groove 14 to enter the through hole 15, the suture needle 12 drives the suture thread to pass through the tissue of the wound, the suture needle 12 is a straight needle or a bent needle, then the arc elastic holding part 8 is loosened, the flap-shaped piece 6 is furled under the action of the torsion spring 7 to loosen the pressing head 13, the reset spring 5 rebounds to drive the suture needle 12 to retract and draw out the guide core, thereby taking the suture thread, and (5) knotting in vitro.

Claims (9)

1. The utility model provides an automatic suture sheath card guide core which characterized in that: the novel wing-shaped sliding vane comprises an outer sleeve (1), a sliding sleeve (2) and an inner rod (3) which are coaxially arranged, wherein the diameter of the sliding sleeve (2) is larger than that of the inner rod (3), the sliding sleeve (2) is coaxially sleeved on the outer side of the inner rod (3), and the top of the inner rod (3) is connected to the middle position of a wing (4); the upper end of the sliding sleeve (2) is provided with a return spring (5), the diameter of the return spring (5) is equal to that of the sliding sleeve (2), and the top of the return spring (5) is in compression joint with a pressing head (13); the bottom of the outer sleeve (1) is provided with a conical bottom, the conical bottom is provided with oppositely arranged petals (6), and the petals (6) are connected to the outer sleeve (1) through a torsion spring (7); the outer side of the petal-shaped piece (6) is connected with an arc-shaped elastic holding part (8) at the lower end of the wing piece (4) through a soft steel wire.

2. The automatic suturing sheath cartridge of claim 1, wherein: interior pole (3) bottom be equipped with axis of rotation (9), axis of rotation (9) both sides respectively through dwang (10) connect in needle file (11), needle file (11) connect in the bottom of sliding sleeve (2) and along with the slip of sliding sleeve (2) and make linear motion.

3. The automatic suturing sheath cartridge of claim 2, wherein: the angle between the needle seat (11) and the sliding sleeve (2) is 30-40 degrees.

4. The automatic suturing sheath cartridge of claim 3, wherein: the needle seat (11) is in a circular tube shape, the inner side of the needle seat is provided with a pore, and the needle seat (11) is detachably connected with a suture needle (12).

5. The automatic suturing sheath cartridge of claim 4, wherein: the back surface of the petal-shaped part (6) is provided with a transverse guide groove (14), and the end point of the guide groove is provided with a through hole (15) for the suture needle (12) to pass through.

6. The automatic suturing sheath cartridge of claim 5, wherein: the inner part of the hole of the needle seat (11) is provided with an internal thread, and the outer wall of the tail part of the sewing needle (12) is provided with an external thread.

7. The automatic suturing sheath cartridge of claim 6, wherein: the suture needle (12) is a straight needle or a curved needle.

8. The automatic suturing sheath cartridge of claim 7, wherein: the arc-shaped elastic holding part (8) is made of a soft steel wire.

9. The automatic suturing sheath cartridge of claim 8, wherein: the pressing head (13) is T-shaped.

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