CN211409193U

CN211409193U - Thoracic surgery retractor

Info

Publication number: CN211409193U
Application number: CN201921921820.9U
Authority: CN
Inventors: 乔飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-04
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a thoracic surgery retractor, which belongs to the field of medical instruments, the upper end of a shell is fixedly connected with a fixed rod, the upper end of the shell is connected with a movable rod in a sliding way, two sides of the shell are fixedly sleeved with a symmetrical upper bearing and a symmetrical lower bearing, an upper screw rod is fixedly sleeved in the upper bearing and is connected with an upper thread sleeve through a thread, the surface of the upper thread sleeve is fixedly connected with the movable rod, the right end of the upper screw rod is fixedly connected with a rotating handle, the movable rod can not be inclined when in use and movement by the upper screw rod and the lower screw rod which are arranged, the use stability of the movable rod is improved, medical personnel can quickly and accurately open a wound with a disease to a proper size, thereby improving the operation efficiency of the medical personnel, and the arranged clearance groove, the chute, the inner limit block and the outer limit block can effectively limit the moving position when the movable rod moves, the moving smoothness of the moving rod is improved, and therefore the use convenience of the retractor is improved.

Description

Thoracic surgery retractor

Technical Field

The utility model relates to the field of medical equipment, more specifically say, relate to a thoracic surgery retractor.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing operation, is convenient to explore and operate, can be divided into a handheld draw hook and an automatic draw hook, has specifications of various shapes and sizes, and can select a proper draw hook according to the operation requirement.

At present, the current thoracic surgery retractor is in the use, because the atress on top is too big to lead to the digging arm not smooth that slides, the operation is harder, great reduction thoracic surgery retractor's convenience of use, and current thoracic surgery retractor is in the use, because the atress on top is too big, may lead to the digging arm to produce crooked deformation, thereby reduced retractor's stability in use and the accuracy nature of retracting the wound, great reduction operation efficiency.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, an object of the utility model is to provide a thoracic surgery retractor, the last screw rod that it set up makes the carriage release lever can not produce when using the removal crooked with lower screw rod, the stability in use of carriage release lever is improved, make medical personnel can be quick accurate open disease wound to suitable size, thereby medical personnel's operation efficiency has been improved, and the clearance groove that sets up, the spout, interior stopper and outer stopper are when the carriage release lever removes, can effectual restriction carriage release lever's shift position, the removal smoothness nature of carriage release lever has been improved, thereby the convenience in use of retractor has been improved.

In order to solve the above problems, the utility model adopts the following technical proposal.

A thoracic surgery retractor comprises a shell, wherein a fixed rod is fixedly connected to the upper end of the shell, a moving rod is slidably connected to the upper end of the shell, a symmetrical upper bearing and a symmetrical lower bearing are fixedly sleeved on two sides of the shell, an upper screw rod is fixedly sleeved in the upper bearing and is connected with an upper threaded sleeve through threads, a moving rod is fixedly connected to the surface of the upper threaded sleeve, a rotating handle is fixedly connected to the right end of the upper screw rod, a driving gear is fixedly sleeved on the surface of the upper screw rod, a driven gear is meshed with the surface of the driving gear and is fixedly sleeved in the driven gear, a lower screw rod is fixedly sleeved in two ends of the lower screw rod, a lower threaded sleeve is fixedly sleeved on the lower screw rod through threads, a moving rod is fixedly connected to the surface of the lower threaded sleeve, and the moving rod cannot be inclined when the moving rod is moved in use through the upper screw rod and the, the utility model has the advantages of improved the stability in use of carriage release lever, make medical personnel can be quick accurate open disease wound to suitable size to medical personnel's operation efficiency has been improved, and the clearance groove of setting, spout, interior stopper and outer stopper when the carriage release lever removes, can effectual restriction carriage release lever's shift position, improved the removal smooth and easy nature of carriage release lever, thereby improved the convenience in use of retractor.

Further, the casing is equipped with keeps away the dead slot, it has the carriage release lever to keep away inslot sliding connection, the lower extreme sliding connection of carriage release lever has the spout, the length of spout is the same with the length of keeping away the dead slot, and the dead slot and the spout of keeping away that set up have spacing effect of direction when the carriage release lever removes, have improved the mobility stability of carriage release lever.

Further, the fixed surface of carriage release lever is connected with the quarter butt, the quarter butt has the pointer through screwed connection, the shape of pointer is the L type, the lower extreme afterbody of pointer is directly over the scale, and the pointer and the scale of setting can make the quick accurate shift position who confirms the carriage release lever of medical personnel, have improved the safety in utilization of retractor.

Further, the fixed surface of carriage release lever has cup jointed the outer stopper and the interior stopper of symmetry, the shape of outer stopper and interior stopper is square, the surface contact of outer stopper and interior stopper is connected with the casing, and the outer stopper and the interior stopper that set up have spacing effect when carriage release lever horizontal migration, have improved the removal stationarity of carriage release lever.

Further, the fixed surface of carriage release lever is connected with the removal hook, the fixed surface of removal hook is connected with the second cushion, the material of second cushion is medical silica gel, and the second cushion that sets up can avoid the removal hook to cause the crushing wound to patient's wound, has improved the safety in utilization of retractor.

Further, the fixed surface of dead lever is connected with the fixed hook, the fixed surface of fixed hook is connected with first cushion, the material of first cushion is medical rubber, and the first cushion that sets up can avoid the fixed hook to cause the crushing wound to patient's wound, has improved the safety in utilization of retractor.

Further, the lower extreme fixedly connected with protection of casing fills up, the material of protection pad is medical silica gel, the size of protection pad is the same with the lower extreme size of casing, and the protection pad of setting can avoid casing and patient's skin to produce the friction and cause the injury, has improved the safety in utilization of retractor.

Compared with the prior art, the utility model has the advantages of:

(1) the last screw rod and the lower screw rod that this scheme set up make the carriage release lever can not produce crooked when using to remove, the stability in use of carriage release lever has been improved, make medical personnel can be quick accurate open disease wound to suitable size, thereby medical personnel's operation efficiency has been improved, and the clearance groove of setting, the spout, interior stopper and outer stopper are when the carriage release lever removes, can effectual restriction carriage release lever's shift position, the removal smoothness nature of carriage release lever has been improved, thereby the convenience in use of retractor has been improved.

(2) The casing is equipped with the clearance groove, and clearance inslot sliding connection has the carriage release lever, and the lower extreme sliding connection of carriage release lever has the spout, and the length of spout is the same with the length of clearance groove, and the clearance groove and the spout that set up have spacing effect of leading when the carriage release lever removes, have improved the mobility stability of carriage release lever.

(3) The utility model discloses a retractor, including the carriage release lever, the surface fixedly connected with quarter butt of carriage release lever, the quarter butt has the pointer through screwed connection, and the shape of pointer is the L type, and the lower extreme afterbody of pointer is directly over the scale, and the pointer and the scale of setting can make medical personnel's quick accurate determination carriage release lever's shift position, have improved retractor's safety in utilization.

(4) The surface fixing of carriage release lever has cup jointed the outer stopper and the interior stopper of symmetry, and the shape of outer stopper and interior stopper is square, and the surface contact of outer stopper and interior stopper is connected with the casing, and the outer stopper and the interior stopper that set up have spacing effect when carriage release lever horizontal migration, have improved the removal stationarity of carriage release lever.

(5) The fixed surface of carriage release lever is connected with the removal hook, and the fixed surface of removal hook is connected with the second cushion, and the material of second cushion is medical silica gel, and the second cushion that sets up can avoid the removal hook to cause the crushing wound to patient, has improved the safety in utilization of retractor.

(6) The fixed surface of dead lever is connected with the fixed hook, and the fixed surface of fixed hook is connected with first cushion, and the material of first cushion is medical rubber, and the first cushion that sets up can avoid the fixed hook to cause the crushing wound to patient, has improved the safety in utilization of retractor.

(7) The lower extreme fixedly connected with protection of casing fills up, and the material of protection pad is medical silica gel, and the size of protection pad is the same with the lower extreme size of casing, and the protection pad of setting can avoid casing and patient's skin to produce the friction and cause the injury, has improved retractor's safety in utilization.

Drawings

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

FIG. 2 is a sectional view of the mounting structure of the housing and the movable rod of the present invention;

FIG. 3 is a side view of the mounting structure of the movable rod and the upper and lower thread sleeves of the present invention;

FIG. 4 is a side view of the mounting structure of the movable rod and the inner and outer stoppers of the present invention;

fig. 5 is a top view of the moving rod and pointer installation structure of the present invention.

The reference numbers in the figures illustrate:

the device comprises a shell 1, a protective pad 11, a clearance groove 12, a sliding groove 13, scales 14, a fixing rod 2, a fixing hook 21, a first rubber pad 22, a moving rod 3, a moving hook 31, a second rubber pad 32, an outer limiting block 33, an inner limiting block 34, an upper bearing 4, a lower bearing 5, an upper screw rod 6, an upper thread sleeve 61, a driving gear 62, a rotating handle 63, a lower screw rod 7, a driven gear 71, a lower thread sleeve 72, a short rod 8 and a pointer 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a thoracic surgical retractor comprises a housing 1, referring to fig. 1-5, a fixed rod 2 is fixedly connected to the upper end of the housing 1, a movable rod 3 is slidably connected to the upper end of the housing 1, an upper bearing 4 and a lower bearing 5 are fixedly sleeved on two sides of the housing 1, an upper screw 6 and a lower screw 7 are respectively provided by the two upper bearings 4 and the two lower bearings 5, which are symmetrical, so that a user can conveniently adjust the moving positions of an upper threaded sleeve 61 and a lower threaded sleeve 72, the upper screw 6 is fixedly sleeved in the upper bearing 4, the upper screw 6 is connected with the upper threaded sleeve 61 through threads, the movable rod 3 is fixedly connected to the surface of the upper threaded sleeve 61, the upper threaded sleeve 61 is used for fixing the position of the movable rod 3 on the surface of the upper screw 6, a rotary handle 63 is fixedly connected to the right end of the upper screw 6, and anti-slip threads are arranged on the surface of the rotary handle 63, screw 6 in the light rotation of convenient to use person, the fixed cover in surface of going up screw 6 has been connect driving gear 62, driven gear 71 behind the surface meshing of driving gear 62, when driving gear 62 clockwise turning, driving gear 62 drives driven gear anticlockwise turning, thereby drive down screw 7 anticlockwise turning, and the screw thread that lower screw 7 surface set up is opposite with the screw thread direction that goes up screw 6 and lower screw 7 and set up, so when going up screw 6 and lower screw 7 and rotating simultaneously, it moves to same direction simultaneously to go up thread bush 61 and lower thread bush 72, the fixed cover has been connected with lower screw 7 in driven gear 71, the fixed cover in both ends of lower screw 7 has been connected with lower bearing 5, lower screw 7 has lower thread bush 72 through threaded connection, the fixed surface of lower thread bush 72 is connected with carriage release lever 3, lower thread bush 72 is used for fixing the position of carriage release lever 3 on lower screw 7 surface.

Please refer to fig. 2 and 5, the housing 1 is provided with a clearance groove 12, the clearance groove 12 is slidably connected with the moving rod 3, the lower end of the moving rod 3 is slidably connected with a sliding groove 13, the length of the sliding groove 13 is the same as that of the clearance groove 12, the clearance groove 12 and the sliding groove 13 are arranged to have a limiting and guiding function when the moving rod 3 moves, the moving stability of the moving rod 3 is improved, the surface of the moving rod 3 is fixedly connected with a short rod 8, the short rod 8 is connected with a pointer 9 through a screw, the pointer 9 is in an L shape, the tail of the lower end of the pointer 9 is positioned over a scale 14, the pointer 9 and the scale 14 can enable medical staff to quickly and accurately determine the moving position of the moving rod 3, and the use safety of the retractor is improved.

Please refer to fig. 1 and 4, the fixed surface of carriage release lever 3 has cup jointed symmetrical outer stopper 33 and interior stopper 34, the shape of outer stopper 33 and interior stopper 34 is square, the surface contact of outer stopper 33 and interior stopper 34 is connected with casing 1, the outer stopper 33 and the interior stopper 34 that set up have spacing effect when carriage release lever 3 horizontal migration, the removal stationarity of carriage release lever 3 has been improved, the fixed surface of carriage release lever 3 is connected with removal hook 31, the fixed surface of removal hook 31 is connected with second cushion 32, the material of second cushion 32 is medical silica gel, the second cushion 32 that sets up can avoid removal hook 31 to cause the bruise to patient's wound, the safety in utilization of retractor has been improved.

Please refer to fig. 1, a fixing hook 21 is fixedly connected to the surface of the fixing rod 2, a first rubber pad 22 is fixedly connected to the surface of the fixing hook 21, the first rubber pad 22 is made of medical rubber, the first rubber pad 22 is arranged to prevent the fixing hook 21 from pressing the wound of the patient, the safety of the retractor is improved, a protection pad 11 is fixedly connected to the lower end of the housing 1, the protection pad 11 is made of medical silica gel, the size of the protection pad 11 is the same as that of the lower end of the housing 1, the protection pad 11 is arranged to prevent the housing 1 from being damaged by the skin of the patient due to friction, and the safety of the retractor is improved.

When the thoracic surgery retractor is used, firstly, the rotary handle 63 is rotated clockwise by a hand, the rotary handle 63 rotates clockwise to drive the upper screw 6 to rotate clockwise, the upper screw 6 rotates clockwise to drive the driving gear 62 to rotate clockwise, the driving gear 62 rotates clockwise to drive the driven gear 71 to rotate anticlockwise, the driven gear 71 rotates anticlockwise to drive the lower screw 7 to rotate anticlockwise, because the thread directions of the upper screw 6 and the lower screw 7 are opposite, the upper screw 6 and the lower screw 7 rotate simultaneously to drive the upper thread bush 61 and the lower thread bush 72 to move rightwards simultaneously, so as to drive the movable rod 3 to move rightwards, the movable rod 3 can not be inclined when being used and moved by the arranged upper screw 6 and the lower screw 7, the use stability of the movable rod 3 is improved, medical personnel can rapidly and accurately open wounds of diseases to proper sizes, and the operation efficiency of the medical personnel is improved, when the moving rod 3 moves rightwards along the clearance groove 12 and the sliding groove 13, the moving rod 3 drives the inner limiting block 34 and the outer limiting block 33 to move rightwards, and the clearance groove 12, the sliding groove 13, the inner limiting block 34 and the outer limiting block 33 can effectively limit the moving position of the moving rod 3 when the moving rod 3 moves, so that the moving smoothness of the moving rod 3 is improved, and the use convenience of the retractor is improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A thoracic surgical retractor comprising a housing (1), characterized in that: the upper end fixedly connected with dead lever (2) of casing (1), the upper end sliding connection of casing (1) has carriage release lever (3), the fixed cover in both sides of casing (1) has symmetrical upper bearing (4) and lower bearing (5), upper bearing (4) internal fixation has cup jointed last screw rod (6), it has last thread bush (61) to go up screw rod (6) through threaded connection, the fixed surface of going up thread bush (61) is connected with carriage release lever (3), the right-hand member fixedly connected with rotation handle (63) of last screw rod (6), the fixed surface of going up screw rod (6) has cup jointed driving gear (62), the surface meshing driven gear (71) of driving gear (62), the fixed cover in driven gear (71) has cup jointed lower screw rod (7), the fixed cover in the both ends of lower screw rod (7) has cup jointed lower bearing (5), the lower screw rod (7) is connected with a lower thread bushing (72) through threads, and the surface of the lower thread bushing (72) is fixedly connected with a moving rod (3).

2. The thoracic surgical retractor of claim 1, wherein: casing (1) is equipped with clearance groove (12), sliding connection has carriage release lever (3) in clearance groove (12), the lower extreme sliding connection of carriage release lever (3) has spout (13), the length of spout (13) is the same with the length of clearance groove (12).

3. The thoracic surgical retractor of claim 1, wherein: the surface fixed connection of carriage release lever (3) has quarter butt (8), quarter butt (8) have pointer (9) through screwed connection, the shape of pointer (9) is the L type, the lower extreme afterbody of pointer (9) is directly over scale (14).

4. The thoracic surgical retractor of claim 1, wherein: the surface fixing of carriage release lever (3) has cup jointed symmetrical outer stopper (33) and interior stopper (34), the shape of outer stopper (33) and interior stopper (34) is square, the surface contact of outer stopper (33) and interior stopper (34) is connected with casing (1).

5. The thoracic surgical retractor of claim 1, wherein: the fixed surface of carriage release lever (3) is connected with removes hook (31), the fixed surface of removing hook (31) is connected with second cushion (32), the material of second cushion (32) is medical silica gel.

6. The thoracic surgical retractor of claim 1, wherein: the fixed surface of dead lever (2) is connected with fixed hook (21), the fixed surface of fixed hook (21) is connected with first cushion (22), the material of first cushion (22) is medical rubber.

7. The thoracic surgical retractor of claim 1, wherein: the lower extreme fixedly connected with protection pad (11) of casing (1), the material of protection pad (11) is medical silica gel, the size of protection pad (11) is the same with the lower extreme size of casing (1).