CN112998787A

CN112998787A - Thoracic surgery operation tractor

Info

Publication number: CN112998787A
Application number: CN202110416391.5A
Authority: CN
Inventors: 杜娜; 杨梅; 郑娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-06-22

Abstract

The invention relates to the technical field of medical equipment, in particular to a thoracic surgery tractor which comprises a base, wherein a positioning mechanism is fixedly arranged at the top of the base, a motor shell is arranged on the base, a threaded rod is rotatably arranged on the motor shell, a lead screw nut is arranged on the threaded rod in a threaded manner, a connecting rod is fixedly connected onto the lead screw nut, a connecting block is arranged at the end part of the connecting rod, and a traction mechanism is fixedly connected to the bottom of the connecting block. The whole traction device can be effectively and quickly fixed at a required position through the arrangement of the positioning mechanism, so that the whole traction device can be conveniently dragged and fixed in an operation; the connecting rod is arranged on the threaded rod in a screw rod movable manner, so that the connecting rod can be driven to move up and down through the rotation of the threaded rod; the rotation through the threaded rod can drive the traction mechanism to continuously move downwards, and then can drive the expansion block in the traction mechanism to stretch outwards to pull the chest of a patient.

Description

Thoracic surgery operation tractor

Technical Field

The invention relates to the technical field of medical equipment, in particular to a thoracic surgery retractor.

Background

The surgical retractor is one of the common surgical instruments, and is mainly used for retracting and fixing tissues so as to fully expose the surgical field. When thoracic surgery's operation was gone on, medical personnel need use the tractor to draw and fix patient's thorax, however current operation tractor in use still needs medical personnel to carry out spacing fixed to it manually, because the operation carries out traditional chinese medical science and protects personnel and lacks, leads to unable surplus personnel of branch to operate the tractor, has certain limitation.

Disclosure of Invention

Aiming at the defects in the prior art, the thoracic surgery retractor provided by the invention can effectively fix the whole retractor, can automatically pull and fix the thoracic cavity of a patient, does not need manual fixation of medical staff, and solves the problem that the medical staff needs to fix the retractor in the operation.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a thoracic surgery operation tractor, includes the base, the top fixed mounting of base has positioning mechanism, install the motor casing on the base, rotate on the motor casing and install the threaded rod, screw-nut is installed to the screw thread on the threaded rod, fixedly connected with connecting rod on the screw-nut, the connecting block is installed to the tip of connecting rod, the bottom fixedly connected with drive mechanism of connecting block.

Further, positioning mechanism includes connecting pipe, first position sleeve, second position sleeve, adapter sleeve and reset spring, the connecting pipe is the form of falling U, the one end of connecting pipe with first position sleeve fixed connection, the other end movable mounting of connecting pipe is in adapter sleeve, adapter sleeve fixed mounting be in the bottom surface of base, second position sleeve fixed mounting be in adapter sleeve's tip.

Furthermore, a groove is formed in the connecting sleeve, a return spring is abutted in the groove, and the return spring is fixedly connected with the connecting pipe.

Further, a polished rod is fixedly mounted on the motor shell, and the connecting rod can be lifted and arranged on the polished rod in a penetrating mode.

Further, the draw gear includes connecting plate, movable rod, articulated piece, activity groove, traction lever, expansion piece and bottom plate, the connecting plate with connecting block fixed connection, two of movable rod are the symmetry and set up, the top of movable rod articulates on the connecting plate, the movable rod with the traction lever is articulated through articulated piece, traction lever slidable mounting be in on the bottom plate, the bottom plate sets up the below of connecting plate, expansion piece fixed mounting be in the tip of traction lever.

Furthermore, a movable groove is formed in the bottom plate, and the traction rod is slidably mounted in the movable groove.

Furthermore, the expansion block is made of a chromium carbide reinforced aluminum-based composite material and is integrally in an arc hook shape.

Furthermore, a forward and reverse rotation speed reducing motor is installed in the motor shell, and an output shaft of the forward and reverse rotation speed reducing motor is connected with the threaded rod.

According to the technical scheme, the invention has the beneficial effects that:

1. the whole traction device can be effectively and quickly fixed at a required position through the arrangement of the positioning mechanism, so that the whole traction device can be conveniently pulled and fixed in an operation, and the practicability is high;

2. according to the invention, the connecting rod is arranged on the threaded rod in a screw rod movable manner, so that the connecting rod can be driven to move up and down through the rotation of the threaded rod, the distance between the traction mechanism and a patient is adjusted, the traction mechanism is convenient to fold, unfold and use, and the practicability is high;

3. the traction mechanism can be driven to continuously move downwards through the rotation of the threaded rod, so that the expansion block in the traction mechanism can be driven to stretch outwards to draw the thoracic cavity of a patient, medical personnel do not need to operate the traction device for a long time, and the practicability is high;

4. the traction mechanism can be driven to move upwards by the rotation of the threaded rod, and the expansion block in the traction mechanism can be driven to contract inwards, so that the whole traction mechanism is convenient to disassemble, and the practicability is high.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a positioning mechanism according to the present invention;

fig. 3 is a schematic structural view of the traction mechanism of the present invention.

Reference numerals:

1-base, 2-positioning mechanism, 201-connecting pipe, 202-first positioning sleeve, 203-second positioning sleeve, 204-connecting sleeve, 205-groove, 206-reset spring, 3-motor shell, 4-threaded rod, 5-lead screw nut, 6-polished rod, 7-connecting rod, 8-connecting block, 9-traction mechanism, 901-connecting plate, 902-movable rod, 903-hinge block, 904-movable groove, 905-traction rod, 906-expansion block and 907-bottom plate.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to FIGS. 1-3: the utility model provides a thoracic surgery operation tractor, includes base 1, base 1's top fixed mounting has positioning mechanism 2, install motor casing 3 on the base 1, it installs threaded rod 4 to rotate on the motor casing 3, threaded rod 4 goes up the threaded mounting has screw-nut 5, fixedly connected with connecting rod 7 on the screw-nut 5, connecting block 8 is installed to the tip of connecting rod 7, connecting block 8's bottom fixedly connected with drive mechanism 9.

In actual use, the whole tractor is fixed at a required position by adjusting the positioning mechanism 2, so that the whole tractor is limited and fixed, medical staff does not need to hold the whole tractor, the difficulty of an operation is increased, and the practicability is high; after fixing whole device, the motor in the control motor casing 3 starts, drives threaded rod 4 and rotates, and the rotation of threaded rod 4 can drive screw-nut 5 and go up the screw motion on threaded rod 4, and then drives connecting rod 7 and reciprocate, and the in-process that connecting rod 7 reciprocated can drive mechanism 9 and reciprocate, can carry out effectual traction and fixed to the patient through reciprocating of drive mechanism 9, need not medical personnel and support the tractor, and the practicality is high.

In this embodiment, the positioning mechanism 2 includes a connecting pipe 201, a first positioning sleeve 202, a second positioning sleeve 203, a connecting sleeve 204 and a return spring 206, the connecting pipe 201 is in an inverted U shape, one end of the connecting pipe 201 is fixedly connected to the first positioning sleeve 202, the other end of the connecting pipe 201 is movably mounted on the connecting sleeve 204, the connecting sleeve 204 is fixedly mounted on the bottom surface of the base 1, and the second positioning sleeve 203 is fixedly mounted on the end of the connecting sleeve 204;

the accessible stimulates connecting pipe 201 downwards, enlarges the interval between first position sleeve 202 and the second position sleeve 203, places first position sleeve 202 and second position sleeve 203 in required fixed position back, loosens connecting pipe 201 for connecting pipe 201 can kick-back, and then dwindle the interval between first position sleeve 202 and the second position sleeve 203, fixes it, and the practicality is high.

In this embodiment, a groove 205 is formed on the connection sleeve 204, a return spring 206 is abutted in the groove 205, and the return spring 206 is fixedly connected with the connection pipe 201;

can be so that after loosening connecting pipe 201, connecting pipe 201 kick-backs under reset spring 206's effect, and then dwindles the interval between first position sleeve 202 and the second position sleeve 203, can be quick carry out spacing fixed to whole device.

In this embodiment, a polish rod 6 is fixedly installed on the motor housing 3, and the connecting rod 7 is installed on the polish rod 6 in a liftable and liftable penetrating manner;

can make connecting rod 7 carry out vertical lift under the effect of polished rod 6, the effectual patient of the later stage of being convenient for is drawn and is fixed.

In this embodiment, the traction mechanism 9 includes a connecting plate 901, two movable rods 902, two hinge blocks 903, two movable grooves 904, a traction rod 905, an expansion block 906, and a bottom plate 907, the connecting plate 901 is fixedly connected to the connecting block 8, the two movable rods 902 are symmetrically arranged, the top end of each movable rod 902 is hinged to the connecting plate 901, the movable rods 902 are hinged to the traction rod 905 through the hinge blocks 903, the traction rods 905 are slidably mounted on the bottom plate 907, the bottom plate 907 is disposed below the connecting plate 901, and the expansion block 906 is fixedly mounted at the end of the traction rod 905;

can make the in-process that connecting block 8 moved down drive connecting plate 901 and move down, and then drive movable rod 902 and outwards stretch, the in-process that movable rod 902 outwards stretched drives traction lever 905 and outwards stretches, and then drives expansion piece 906 and outwards stretches, need not medical personnel handheld device, and the practicality is high.

In this embodiment, the bottom plate 907 is provided with a movable slot 904, and the drawbar 905 is slidably mounted in the movable slot 904;

the traction rod 905 can move horizontally in the movable groove 904 conveniently, and the practicability is high.

In this embodiment, the expansion block 906 is made of a chromium carbide reinforced aluminum matrix composite, and is integrally in an arc hook shape;

can be convenient for the expansion block 906 to better expand the chest cavity, and has high safety.

In this embodiment, a forward and reverse rotation speed reduction motor is installed in the motor casing 3, and an output shaft of the forward and reverse rotation speed reduction motor is connected with the threaded rod 4.

The working principle is as follows: medical personnel fix the whole tractor at a required position by adjusting the positioning mechanism 2, so that the whole tractor is limited and fixed, the medical personnel do not need to hold the whole tractor, the difficulty of the operation is increased, and the practicability is high; after fixing whole device, gear motor in the control motor shell 3 starts, it rotates to drive threaded rod 4, threaded rod 4's rotation can drive screw-nut 5 screw rod motion on threaded rod 4, and then drive connecting rod 7 downstream, the in-process of connecting rod 7 downstream can drive mechanism 9 and carry out downwards, remove to the certain distance after, will expand piece 906 and patient's thorax opening part contact, continue to control drive mechanism 9 downstream, make expansion piece 906 can pull and fix patient's thorax opening part gradually, it supports the tractor to need not medical personnel, the practicality is high.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A thoracic surgical retractor comprising a base (1), characterized in that: the top fixed mounting of base (1) has positioning mechanism (2), install motor casing (3) on base (1), rotate on motor casing (3) and install threaded rod (4), threaded rod (4) are gone up the screw thread and are installed screw-nut (5), fixedly connected with connecting rod (7) are gone up in screw-nut (5), connecting block (8) are installed to the tip of connecting rod (7), the bottom fixedly connected with drive mechanism (9) of connecting block (8).

2. The thoracic surgical retractor of claim 1 wherein: positioning mechanism (2) are including connecting pipe (201), first position sleeve (202), second position sleeve (203), adapter sleeve (204) and reset spring (206), connecting pipe (201) are the form of falling U, the one end of connecting pipe (201) with first position sleeve (202) fixed connection, the other end movable mounting of connecting pipe (201) is in adapter sleeve (204), adapter sleeve (204) fixed mounting be in the bottom surface of base (1), second position sleeve (203) fixed mounting be in the tip of adapter sleeve (204).

3. The thoracic surgical retractor of claim 2 wherein: a groove (205) is formed in the connecting sleeve (204), a return spring (206) is connected in the groove (205) in an abutting mode, and the return spring (206) is fixedly connected with the connecting pipe (201).

4. The thoracic surgical retractor of claim 1 wherein: a polished rod (6) is fixedly mounted on the motor casing (3), and the connecting rod (7) can be lifted and arranged on the polished rod (6) in a penetrating mode.

5. The thoracic surgical retractor of claim 1 wherein: the traction mechanism (9) comprises a connecting plate (901), movable rods (902), hinge blocks (903), movable grooves (904), traction rods (905), expansion blocks (906) and a bottom plate (907), the connecting plate (901) is fixedly connected with the connecting block (8), the two movable rods (902) are symmetrically arranged, the top ends of the movable rods (902) are hinged to the connecting plate (901), the movable rods (902) are hinged to the traction rods (905) through the hinge blocks (903), the traction rods (905) are slidably mounted on the bottom plate (907), the bottom plate (907) is arranged below the connecting plate (901), and the expansion blocks (906) are fixedly mounted at the end parts of the traction rods (905).

6. The thoracic surgical retractor of claim 5 wherein: the bottom plate (907) is provided with a movable groove (904), and the traction rod (905) is slidably mounted in the movable groove (904).

7. The thoracic surgical retractor of claim 5 wherein: the expansion block (906) is made of a chromium carbide reinforced aluminum-based composite material and is integrally in an arc hook shape.

8. The thoracic surgical retractor of claim 1 wherein: and a forward and reverse rotation speed reducing motor is installed in the motor shell (3), and an output shaft of the forward and reverse rotation speed reducing motor is connected with the threaded rod (4).