CN105310753B - A kind of simple act palace device - Google Patents

Abstract

The present invention relates to a medical instrument, in particular a simple uterine lifting device, comprising a hollow rod body, a hollow push-pull rod that can move axially along the rod body is arranged in the cavity of the rod body. The lifting claw of the cavity is provided with a control switch in the inner cavity of the lower end of the rod body, and a spring is arranged between the upper wall of the inner cavity of the push-pull rod and the control switch; when the control switch clamps the lower end of the push-pull rod, the spring is compressed, and the lifting claw retracted into the inner cavity of the upper end of the rod body; when the control switch is disengaged from the lower end of the push-pull rod, under the action of spring force, the push-pull rod pushes the lifting claw to extend out of the inner cavity of the upper end of the rod body. The present invention separates the lower end of the push-pull rod by controlling the switch, so that the lifting claw can automatically extend out of the inner cavity of the rod; and by rotating the rotating shaft, the pull rope can be wound on the rotating shaft, so that the lifting claw can be retracted into the inner cavity of the rod, thereby avoiding the uterine perforation. hazards.

Description

A simple lifting device

technical field

The invention relates to the field of medical equipment, in particular to a simple uterine lifting device.

Background technique

In the process of laparoscopic pelvic surgery in obstetrics and gynecology, since the surgical instruments and pelvic lesions are not always in a position suitable for surgery, a uterine lifter is needed at this time, and the uterine lifter is controlled by the medical staff. Move the uterine lifter to expose the lesion to a position convenient for operation of surgical instruments. The current simple uterine lifter is a clamp structure, with one long and one short two coordinating forceps arms. The two forceps arms clamp the uterine lip so that it does not fall off. At the same time, the longer forceps arm enters the uterine cavity. When the uterus moves, the uterus moves together under the drive of the longer forceps arms. This simple uterine lifter is likely to cause uterine perforation, affect the operation, and even cause the risk of damage to surrounding organs.

Contents of the invention

In view of the above technical problems, the present invention provides a simple uterine lifting device that does not penetrate the uterus and is easy to operate.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a simple uterine lifting device, which includes a hollow rod body. The lifting claw of the inner cavity of the upper end of the rod body is provided with a control switch in the inner cavity of the lower end of the rod body, and a spring is arranged between the upper wall of the inner cavity of the push-pull rod and the control switch; when the control switch clamps the lower end of the push-pull rod, the spring is compressed, The lifting claw is retracted into the inner cavity of the upper end of the rod body; when the control switch is disengaged from the lower end of the push-pull rod, under the action of spring force, the push-pull rod pushes the lifting claw to extend out of the inner cavity of the upper end of the rod body.

As a preference, the control switch includes a base fixed radially in the inner cavity of the rod body and a shrapnel connected to the base along the axial direction of the rod body. The shrapnel is provided with two protrusions at intervals along the axial direction, and a card is provided on the push-pull rod. The protrusion on the upper side can be snapped into the hole, and the other protrusion is radially connected with a button; the button protrudes from the side wall of the rod body.

Preferably, one end of the spring is fixedly connected to the upper wall of the inner chamber of the push-pull rod, and the other end is connected to the elastic piece through a pull cord.

Preferably, an opening is provided on the side wall of the push-pull rod, and the opening extends axially from the lower end surface of the push-pull rod to the middle part, and one end of a rotating shaft located at the lower end of the rod body radially passes through the rod body sequentially, and the opening extends into the inner cavity of the push-pull rod. The stay cord is wound around the end of the rotating shaft, and the other end of the rotating shaft is provided with a rocker that drives the rotating shaft to rotate.

As a first preference, an arc-shaped claw is fixed on the upper end of the push-pull rod.

As a second preference, two arc-shaped lifting claws are fixed on the upper end of the push-pull rod.

Further, elastic belts are connected between the upper ends of the arc-shaped lifting claws.

As a third preference, the upper end of the push-pull rod is fixed with three arc-shaped lifting claws, and an elastic belt is connected between the upper ends of every two arc-shaped lifting claws.

Further, the area surrounded by the three elastic bands is covered with an elastic film.

It can be seen from the above technical solutions that the present invention can make the lifting claw automatically extend out of the inner cavity of the rod by controlling the switch from the lower end of the push-pull rod; In order to avoid the harm caused by uterine perforation.

Description of drawings

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

Fig. 2 is a schematic diagram of claw lifting in the third preferred mode of the present invention.

Detailed ways

Introduce the present invention in detail below in conjunction with Fig. 1, Fig. 2:

A simple uterine lifting device, comprising a hollow rod body 1, a hollow push-pull rod 2 that can move axially along the rod body is provided in the cavity of the rod body, the upper end of the push-pull rod is connected with at least one lifting claw 3 that can extend out of the inner cavity of the upper end of the rod body. The inner cavity at the lower end of the rod body is provided with a control switch 4, and a spring 5 is arranged between the upper wall of the inner cavity of the push-pull rod and the control switch; , the control switch clamps the lower end of the push-pull rod, and the spring is compressed; when the rod body reaches the designated position, the control switch is separated from the lower end of the push-pull rod. Claw positioning.

Specifically, the control switch 4 includes a base 41 radially fixed in the inner cavity of the rod body and a shrapnel 42 connected to the base along the axial direction of the rod body. Two projections are arranged at intervals along the axial direction on the shrapnel, and the push-pull rod A clamping hole 21 is defined on the top, and the protrusion 43 on the upper side can be clamped into the clamping hole, and the other protrusion 44 is radially connected with a button 45, and the button protrudes from the side wall of the rod body. When it is necessary to extend the lifting claw out of the inner cavity of the rod, press the button radially, the button drives the shrapnel to move radially, and the shrapnel drives the protrusion to move radially, so that the protrusion is out of the clamping hole. At this time, under the action of the spring force , the push-pull rod moves up automatically, and drives the lifting claw to extend out of the inner cavity of the rod.

In the present invention, one end of the spring is affixed to the inner wall of the push-pull rod, and the other end is connected to the shrapnel through the pull cord 6; an opening 22 is provided on the side wall of the push-pull rod, and the opening faces upward from the lower end of the push-pull rod. Axially extending to the middle, one end of a rotating shaft 7 located at the lower end of the rod body radially passes through the rod body in turn, and the opening extends into the inner cavity of the push-pull rod. This opening can ensure that the push-pull rod will not interfere with the rotating shaft during movement; At one end of the rotating shaft, the other end of the rotating shaft is provided with a rocking handle 8 that drives the rotating shaft to rotate. When it is necessary to retract the lifting claw into the inner cavity of the rod, turn the handle, the handle drives the rotating shaft to rotate, and the pull rope continues to wrap around the rotating shaft with the rotation of the rotating shaft, thereby shortening the pull rope, so that the pull rope pulls the spring, and the spring drives the push-pull rod Move down until the protrusion snaps into the hole on the push-pull rod; thus, the retraction of the lifting claw is completed. This structure is not only easy to operate, but also the extension length of the lifting claw can be controlled at any time through the rotating shaft.

In the present invention, as the first preference, the upper end of the push-pull rod is fixedly provided with an arc-shaped lifting claw 3, which can make the lifting device in the shape of "7", thereby positioning the uterine cavity in a lateral direction; as the second Preferably, the upper end of the push-pull rod is fixed with two arc-shaped lifting claws, which are positioned in a lateral direction of the uterine cavity; elastic belts can also be connected between the upper ends of the arc-shaped lifting claws, so that the lifting device is in the shape of a "T" Type, to avoid uterine perforation;

As a third preference, the upper end of the push-pull rod is fixed with three arc-shaped lifting claws 3, which are positioned in three lateral directions of the uterine cavity, and elastic belts 31 are connected between the upper ends of every two arc-shaped lifting claws, so that the lifting device is in the shape of "▽" can also be covered with an elastic membrane 32 in the area surrounded by the three elastic belts, so that the lifting device is "▼", further improving safety. During implementation, since both the elastic film and the elastic belt are elastic, they can be retracted into the inner cavity of the rod along with the lifting claw.

The above-mentioned embodiments are only for the purpose of illustrating the present invention, rather than limiting the present invention. Those of ordinary skill in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions should also belong to the scope of the present invention.

Claims (9)

1. A simple lifting device, comprising a hollow rod body, characterized in that: the rod body cavity is provided with a hollow push-pull rod that can move axially along the rod body, and the upper end of the push-pull rod is connected with at least one lifter that can extend out of the rod body upper end cavity. The claw is provided with a control switch in the inner cavity of the lower end of the rod body, and a spring is arranged between the upper wall of the inner cavity of the push-pull rod and the control switch; when the control switch clamps the lower end of the push-pull rod, the spring is compressed, and the lifting claw retracts into the rod body The inner cavity at the upper end; when the control switch is disengaged from the lower end of the push-pull rod, under the action of spring force, the push-pull rod pushes the claw to extend out of the inner cavity at the upper end of the rod body. 2. The palace lifting device according to claim 1, characterized in that: the control switch includes a base fixed radially in the inner cavity of the rod body and a shrapnel connected to the base along the axial direction of the rod body, and the shrapnel is arranged at intervals along the axial direction. There are two protrusions, and a clamping hole is provided on the push-pull rod, the protrusion on the upper side can be clamped into the clamping hole, and the other protrusion is radially connected with a button, and the button protrudes from the side wall of the rod body. 3. The uterine lifting device according to claim 2, wherein one end of the spring is fixedly connected to the upper wall of the inner chamber of the push-pull rod, and the other end is connected to the elastic piece through a pull cord. 4. The device for lifting the uterus according to claim 3, characterized in that: an opening is provided on the side wall of the push-pull rod, and the opening extends axially from the lower end face of the push-pull rod to the middle part, and one end of a rotating shaft at the lower end of the rod body is sequentially radially Through the rod body and the opening, it extends into the inner cavity of the push-pull rod. The pull rope is wound around this end of the rotating shaft, and the other end of the rotating shaft is provided with a rocker to drive the rotating shaft to rotate. 5. The palace lifting device according to any one of claims 1 to 4, characterized in that: an arc-shaped lifting claw is fixed on the upper end of the push-pull rod. 6. The uterine lifting device according to any one of claims 1 to 4, characterized in that two arc-shaped lifting claws are fixed on the upper end of the push-pull rod. 7. The palace lifting device according to claim 6, characterized in that: elastic belts are connected between the upper ends of the arc-shaped lifting claws. 8. The palace lifting device according to any one of claims 1 to 4, characterized in that three arc-shaped lifting claws are fixed on the upper end of the push-pull rod, and elastic belts are connected between the upper ends of every two arc-shaped lifting claws. 9. The palace lifting device according to claim 8, characterized in that: the area surrounded by the three elastic belts is covered with an elastic film.