CN220632136U - Retractor - Google Patents

Abstract

The utility model discloses a retractor which comprises an annular handle and a mounting rack, wherein the mounting rack is arranged on the outer wall of the annular handle, a sleeve is arranged on the inner wall of the mounting rack, a limit rod is arranged on the inner wall of the sleeve, a sliding block is arranged on the outer wall of the limit rod in a surrounding mode, a first spring is arranged on the inner wall of the sleeve, a connecting rod is arranged on the outer wall of the sliding block, a sliding groove is formed in the inner wall of the annular handle, and a clamping plate is arranged on the outer wall of the connecting rod. According to the utility model, the clamping structure is arranged, when the fingers of medical staff move into the annular handle, the fingers are extruded with the outer walls of the clamping plates, the two groups of clamping plates fixedly clamp the fingers of the medical staff, the fingers of the medical staff can be protected by the silica gel cushion, the fingers of the medical staff in the annular handle are clamped and fixed, and the condition that the retractor falls off from the hands of the medical staff due to the fact that the retractor is adjusted or the fingers are moved out of the annular handle due to fatigue of the fingers during use is prevented.

Description

Retractor

Technical Field

The utility model relates to the technical field of retractors, in particular to a retractor.

Background

When a patient performs a head nerve operation, medical staff can retract head nerve tissues of the patient to expose vision when the medical staff can not view and treat the head nerve tissues due to the small operation exposure position of the patient, and the retractor is also called a retractor and mainly used for retracting the tissues to expose the parts needing the operation, so that medical observation and operation implementation of the operation are facilitated.

Patent document CN214678943U discloses a retractor for neurosurgery, and the claim of protection "includes handle ring and lower handle ring, handle ring left side fixedly connected with is gone up to handle ring left side, handle ring left side fixedly connected with is down to handle, be equipped with the spout in the middle of the connecting rod, the slider is installed at the spout top, slider bottom fixedly connected with retractor rod, retractor rod top is equipped with the retractor hook, the connecting rod right side is equipped with first thread groove, first thread groove inside peg graft has the threaded rod, the threaded rod right side peg graft has the second thread groove, the utility model provides a retractor for neurosurgery, through installing the slider on the retractor rod, through sliding the slider on the connecting rod, can realize the flexible of retractor rod, through setting up the thread groove in the connecting rod inside, through rotating the connecting rod on the threaded rod can dismantle or install the retractor rod, the retractor that can be convenient is changed.

However, the retractor for neurosurgery of the above publication mainly considers that the retraction of the retractor rod can be realized, the retractor rod can be detached or installed by rotating the connecting rod on the threaded rod through the thread groove arranged in the connecting rod, the retractor can be conveniently replaced, but the problem that the retractor falls off from hands of medical staff is inconvenient to avoid is solved, the operation of adjusting the retractor is too complicated when the retractor is used, the use difficulty of medical staff is increased, the retractor is easy to fall off from hands of the medical staff, meanwhile, the medical staff holds the ring-shaped handle for a long time to increase the fatigue of fingers of the medical staff, and the retractor is easy to slip off from hands.

Disclosure of Invention

The utility model aims to provide a retractor for solving the technical problem of avoiding the retractor from falling off from hands of medical staff in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a retractor, comprising:

the outer wall of the annular handle is provided with a first bending frame and a second bending frame respectively;

the mounting bracket, the mounting bracket sets up the outer wall that sets up in annular handle, the sleeve is installed to the inner wall of mounting bracket, the gag lever post is installed to telescopic inner wall, the outer wall of gag lever post encircles and installs the slider, and the gag lever post is the slider and be swing joint, first spring is installed to telescopic inner wall, and the one end of first spring is fixed connection with the outer wall of slider, the connecting rod is installed to the outer wall of slider, annular handle's inner wall is equipped with the spout, the grip block is installed to the outer wall of connecting rod, silica gel cushion is installed to the outer wall of grip block.

Preferably, the outer walls of the first bending frame and the second bending frame are respectively provided with a retracting end.

Preferably, the fixed plate is installed to the outer wall of first crooked frame, and the one end of fixed plate runs through in the inside of second crooked frame, and the fixed plate is swing joint with the second crooked frame, the outer wall of fixed plate is equipped with the fixed slot, first magnet is installed to the inner wall of fixed slot, the iron prop is installed to the outer wall of second crooked frame, and the one end of iron prop extends to the inside of fixed slot.

Preferably, the outer wall of the retraction end is provided with a disassembly and replacement plate, and the outer wall of the disassembly and replacement plate is provided with a fixing block.

Preferably, the outer walls of the first bending frame and the second bending frame are respectively provided with a mounting groove, the inner wall of the mounting groove is provided with a sliding rod, the outer wall of the sliding rod is provided with a sliding plate in a surrounding mode, the sliding rod is movably connected with the sliding plate, the inner wall of the mounting groove is provided with a second spring, and one end of the second spring is fixedly connected with the outer wall of the sliding plate.

Preferably, the outer walls of the first bending frame and the second bending frame are respectively provided with a channel, the inner wall of each channel is movably provided with a rod body, and the outer wall of each rod body is provided with a second magnet.

Preferably, the outer wall of the fixed block is provided with a slot, the inner wall of the slot is provided with an elastic sealing ring, and the inner wall of the slot is provided with a third magnet.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the clamping structure is arranged, so that fingers of medical staff are firmly clamped and in the annular handle, the operation of the traditional retractor for neurosurgery is excessively complicated, the use difficulty of medical staff is increased, the condition that the retractor is easy to fall off from hands of the medical staff is caused, meanwhile, the condition that the medical staff holds the annular handle for a long time to increase fatigue of fingers of the medical staff, the condition that the retractor slips off hands is also easily caused, the condition that the retractor falls off from hands of the medical staff is required to be prevented, when the fingers of the medical staff move into the annular handle, the outer walls of the fingers and the clamping plates are extruded, so that the connecting rod moves in the sliding groove, the connecting rod moves to push the sliding block to move on the limiting rod, the first spring is in a pressed state, and then the two groups of clamping plates clamp the fingers of the medical staff, the fingers of the medical staff can be protected, the clamping plates are prevented from directly clamping the fingers of the medical staff in the annular handle, the condition that the fingers of the medical staff are damaged, the fingers of the medical staff are further clamped, and the condition that the fingers of the medical staff in the annular handle are required to be prevented from falling off from the hands due to the fact that the hands of the medical staff are removed due to the fact that the clamping plates are clamped by the clamping plates are used, and the fingers of the retractor fall off from the hands of the medical staff is prevented;

2. according to the utility model, the dismounting structure is arranged, so that the dismounting and mounting of the traction head are facilitated, the traction head is used for carrying out the traction and opening on skin tissues of a patient for a long time, the traction head can be worn or damaged and cannot be used for a long time, the traditional traction head is fixed on the traction device and cannot be dismounted and mounted, when the traction head is damaged, a new traction device is required to be directly replaced, the waste of resources is caused, the traction head is required to be conveniently dismounted and mounted, the waste of resources is reduced, the outer wall of the traction head is provided with the dismounting and replacing plate, the fixing block is moved into the mounting groove, the sliding plate moves on the sliding rod at the moment, the rod body is moved into the channel when the dismounting and replacing plate is attached to the outer wall of the first bending frame and the second bending frame, the rod body is enabled to move into the groove hole and penetrate through the elastic sealing ring, the elastic sealing ring can well limit the rod body, then the second magnet and the third magnet are required to be directly replaced, the rod body is further fixed in the groove hole, the fixing block and the traction head are required to be conveniently dismounted and the fixing block and the mounting groove, the traction head is required to be conveniently removed from the groove, and is required to be conveniently removed from the groove to be damaged when the traction head is required to be replaced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of a fixing plate according to the present utility model;

FIG. 3 is a schematic view of a portion of a fixed slot according to the present utility model;

FIG. 4 is a schematic view of the ring handle structure of the present utility model;

FIG. 5 is a schematic view of a portion of a mounting bracket according to the present utility model;

FIG. 6 is a schematic view of a portion of the removable replacement panel according to the present utility model;

fig. 7 is a schematic view of a part of the structure of a fixing block according to the present utility model.

In the figure: 1. an annular handle; 2. a first bending frame; 3. a second bending frame; 4. retracting the tip; 5. a fixing plate; 6. a fixing groove; 7. an iron column; 8. a first magnet; 9. a mounting frame; 10. a sleeve; 11. a limit rod; 12. a first spring; 13. a slide block; 14. a connecting rod; 15. a chute; 16. a clamping plate; 17. a silica gel cushion; 18. disassembling the replacement plate; 19. a fixed block; 20. a mounting groove; 21. a slide bar; 22. a slide plate; 23. a second spring; 24. a channel; 25. a rod body; 26. a second magnet; 27. a slot hole; 28. an elastic sealing ring; 29. and a third magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2 and 3, a retractor comprises an annular handle 1, wherein a first bending frame 2 and a second bending frame 3 are respectively arranged on the outer wall of the annular handle 1, a traction head 4 is arranged on the outer walls of the first bending frame 2 and the second bending frame 3, a fixing plate 5 is arranged on the outer wall of the first bending frame 2, one end of the fixing plate 5 penetrates through the inside of the second bending frame 3, the fixing plate 5 is movably connected with the second bending frame 3, a fixing groove 6 is formed in the outer wall of the fixing plate 5, a first magnet 8 is arranged on the inner wall of the fixing groove 6, an iron column 7 is arranged on the outer wall of the second bending frame 3, one end of the iron column 7 extends into the inside of the fixing groove 6, a doctor holds the annular handle 1 by hand, the traction head 4 is placed into skin tissues of a patient, the vision of the doctor is slowly pulled and separated, after the distance between the first bending frame 2 and the second bending frame 3 is expanded to a proper size, the iron column 7 is fixed into the fixing groove 6, the first magnet 7 is connected with the second bending frame 2 through the fixing groove 3, and then the first bending frame 2 is fixed with the second bending frame 3, and then the first bending frame 2 is fixed, and the medical treatment is further fixed.

Referring to fig. 1, 4 and 5, the mounting frame 9 is disposed on the outer wall of the annular handle 1, the sleeve 10 is mounted on the inner wall of the mounting frame 9, the limit rod 11 is mounted on the inner wall of the sleeve 10, the slide block 13 is mounted around the outer wall of the limit rod 11, the slide block 13 is movably connected with the limit rod 11, the first spring 12 is mounted on the inner wall of the sleeve 10, one end of the first spring 12 is fixedly connected with the outer wall of the slide block 13, the connecting rod 14 is mounted on the outer wall of the slide block 13, the sliding groove 15 is disposed on the inner wall of the annular handle 1, the clamping plate 16 is mounted on the outer wall of the connecting rod 14, the silica gel cushion 17 is mounted on the outer wall of the clamping plate 16, the operation of the conventional retractor for neurosurgery is too complex, the use difficulty of medical staff is increased, and the retractor is easy to fall off from hands of the medical staff, meanwhile, when medical staff holds the annular handle 1 for a long time, the fatigue of fingers of the medical staff can be increased, the situation that the retractor slips off hands is easily caused, so that the situation that the retractor slips off hands of the medical staff is required to be prevented, when the fingers of the medical staff move into the annular handle 1, the fingers are extruded with the outer wall of the clamping plate 16, so that the connecting rod 14 moves in the sliding groove 15, the connecting rod 14 moves to push the sliding block 13 to move on the limiting rod 11, the first spring 12 is in a compressed state, the two groups of clamping plates 16 fixedly clamp the fingers of the medical staff, the silica gel cushion 17 can protect the fingers of the medical staff, the clamping plate 16 directly clamps the fingers of the medical staff in the annular handle 1, the fingers of the medical staff are damaged, and then the fingers of the medical staff in the annular handle 1 are clamped and fixed, preventing the condition that the retractor is adjusted or the finger is removed from the annular handle 1 due to fatigue of the finger when in use, so that the retractor is detached from the hands of medical staff.

Referring to fig. 1, 6 and 7, the outer wall of the pulling end 4 is provided with a disassembling and replacing plate 18, the outer wall of the disassembling and replacing plate 18 is provided with a fixing block 19, the outer walls of the first bending frame 2 and the second bending frame 3 are respectively provided with a mounting groove 20, the inner wall of the mounting groove 20 is provided with a sliding rod 21, the outer wall of the sliding rod 21 is provided with a sliding plate 22 in a surrounding way, the sliding rod 21 is movably connected with the sliding plate 22, the inner wall of the mounting groove 20 is provided with a second spring 23, one end of the second spring 23 is fixedly connected with the outer wall of the sliding plate 22, the outer walls of the first bending frame 2 and the second bending frame 3 are respectively provided with a channel 24, the inner wall of the channel 24 is movably provided with a rod body 25, the outer wall of the rod body 25 is provided with a second magnet 26, the outer wall of the fixing block 19 is provided with a slotted hole 27, the inner wall of the slotted hole 27 is provided with an elastic sealing ring 28, the inner wall of the slotted hole 27 is provided with a third magnet 29, the pulling end 4 is used for pulling and expanding skin tissue of a patient for a long time, the pulling end 4 is worn or damaged and cannot be used in the past, the traditional pulling end 4 cannot be detached and installed on the retractor, when the pulling end 4 is damaged, a new retractor needs to be directly replaced, so that resource waste is caused, the pulling end 4 is convenient to detach and install, resource waste is reduced, the outer wall of the pulling end 4 is provided with a detaching and replacing plate 18, the fixing block 19 is moved into the mounting groove 20, at the moment, the sliding plate 22 is moved on the sliding rod 21, the second spring 23 is in a compressed state, and when the detaching and replacing plate 18 is attached to the outer walls of the first bending frame 2 and the second bending frame 3, the rod 25 is moved into the channel 24, the rod 25 is moved into the slotted hole 27 and penetrates through the elastic sealing ring 28, the elastic sealing ring 28 can well limit the rod 25, then make second magnet 26 and third magnet 29 adsorb mutually, and then be fixed in slotted hole 27 with the body of rod 25, and then fix fixed block 19 with in the mounting groove 20, will pull open end 4 and install on the retractor, when the wearing and tearing of end 4 need be changed, shift out the body of rod 25 from slotted hole 27, then second spring 23 resets and promotes slide 22 and remove on slide bar 21, and then pop out fixed block 19 from mounting groove 20 for dismantle the change board 18 and shift out from the retractor, change the end 4 of pulling, conveniently dismantle and install the end 4 of pulling, avoid because of the end 4 of pulling takes place wearing and tearing or damage can't shift out from the retractor and need the resource waste that the change of new retractor caused.

The working principle is that when a doctor uses an instrument, the doctor holds the annular handle 1, the traction head 4 is placed into skin tissue of the head of a patient, the tissue is slowly dragged and separated, the visual field of the doctor is enlarged, after the space between the first bending frame 2 and the second bending frame 3 is expanded to a proper size, the iron column 7 is fixed in the fixing groove 6, so that the iron column 7 is adsorbed with the first magnet 8, the first bending frame 2 and the second bending frame 3 are fixedly connected through the fixing plate 5, the opening and closing size between the first bending frame 2 and the second bending frame 3 is fixed, and then the next medical treatment is carried out, the operation of the traditional retractor for neurosurgery is excessively complicated when the retractor is adjusted, the use difficulty of medical staff is increased, the condition that the retractor is easy to drop from the hands of the medical staff is caused, meanwhile, when medical staff holds the annular handle 1 for a long time, the fatigue of fingers of the medical staff can be increased, the situation that the retractor slips off hands is easily caused, so that the situation that the retractor slips off hands of the medical staff is required to be prevented, when the fingers of the medical staff move into the annular handle 1, the fingers are extruded with the outer wall of the clamping plate 16, so that the connecting rod 14 moves in the sliding groove 15, the connecting rod 14 moves to push the sliding block 13 to move on the limiting rod 11, the first spring 12 is in a compressed state, the two groups of clamping plates 16 fixedly clamp the fingers of the medical staff, the silica gel cushion 17 can protect the fingers of the medical staff, the clamping plate 16 directly clamps the fingers of the medical staff in the annular handle 1, the fingers of the medical staff are damaged, and then the fingers of the medical staff in the annular handle 1 are clamped and fixed, when the retractor is used, the condition that the retractor is adjusted or the fingers are moved out of the annular handle 1 due to fatigue of the fingers to cause the retractor to fall off from hands of medical staff is prevented, the retractor head 4 is retracted and spread for a long time on skin tissues of a patient, the condition that the retractor head 4 is worn or damaged and cannot be used is caused for a long time, the traditional retractor head 4 is fixed on the retractor and cannot be detached and installed, when the retractor head 4 is damaged, a new retractor is required to be directly replaced to cause waste of resources, the retractor head 4 is required to be conveniently detached and installed, the waste of resources is reduced, the outer wall of the retractor head 4 is provided with a detaching and replacing plate 18, a fixed block 19 is moved into an installation groove 20, a sliding plate 22 is moved on a sliding rod 21 at the moment, a second spring 23 is in a pressed state, when the disassembling and replacing plate 18 is attached to the outer walls of the first bending frame 2 and the second bending frame 3, the rod 25 is moved into the channel 24, the rod 25 is moved into the slotted hole 27 and penetrates through the elastic sealing ring 28, the elastic sealing ring 28 can well limit the rod 25, then the second magnet 26 and the third magnet 29 are adsorbed, the rod 25 is further fixed in the slotted hole 27, the fixing block 19 is further fixed in the mounting groove 20, the pulling head 4 is mounted on the retractor, when the pulling head 4 is worn and needs to be replaced, the rod 25 is moved out of the slotted hole 27, then the second spring 23 resets and pushes the sliding plate 22 to move on the sliding rod 21, the fixing block 19 is ejected out of the mounting groove 20, the disassembling and replacing plate 18 is moved out of the retractor, the pulling head 4 is replaced, the pulling head 4 is convenient to disassemble and mount, avoiding the waste of resources caused by the need to replace the retractor with a new one due to the wear or damage of the retractor head 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A retractor, comprising:

the device comprises an annular handle (1), wherein a first bending frame (2) and a second bending frame (3) are respectively arranged on the outer wall of the annular handle (1);

the mounting bracket (9), mounting bracket (9) set up in the outer wall of annular handle (1), sleeve (10) are installed to the inner wall of mounting bracket (9), gag lever post (11) are installed to the inner wall of sleeve (10), slider (13) are installed around the outer wall of gag lever post (11), and gag lever post (11) are slider (13) and are swing joint, first spring (12) are installed to the inner wall of sleeve (10), and the one end of first spring (12) is fixed connection with the outer wall of slider (13), connecting rod (14) are installed to the outer wall of slider (13), the inner wall of annular handle (1) is equipped with spout (15), grip block (16) are installed to the outer wall of connecting rod (14), silica gel cushion (17) are installed to the outer wall of grip block (16).

2. A retractor according to claim 1, wherein: the outer walls of the first bending frame (2) and the second bending frame (3) are respectively provided with a retracting end (4).

3. A retractor according to claim 1, wherein: the fixed plate (5) is installed to the outer wall of first crooked frame (2), and the one end of fixed plate (5) runs through in the inside of second crooked frame (3), and fixed plate (5) are swing joint with second crooked frame (3), the outer wall of fixed plate (5) is equipped with fixed slot (6), first magnet (8) are installed to the inner wall of fixed slot (6), iron column (7) are installed to the outer wall of second crooked frame (3), and the one end of iron column (7) extends to the inside of fixed slot (6).

4. A retractor according to claim 2, wherein: the outer wall of the retracting end head (4) is provided with a disassembling and replacing plate (18), and the outer wall of the disassembling and replacing plate (18) is provided with a fixing block (19).

5. A retractor according to claim 1, wherein: the outer wall of first crooked frame (2) and second crooked frame (3) all is equipped with mounting groove (20), slide bar (21) are installed to the inner wall of mounting groove (20), slide plate (22) are installed around the outer wall of slide bar (21), and slide bar (21) are swing joint with slide plate (22), second spring (23) are installed to the inner wall of mounting groove (20), and the one end of second spring (23) is fixed connection with the outer wall of slide plate (22).

6. A retractor according to claim 1, wherein: the outer walls of the first bending frame (2) and the second bending frame (3) are respectively provided with a channel (24), one end of each channel (24) extends to the inside of the sliding rod (21), a rod body (25) is movably mounted on the inner wall of each channel (24), and a second magnet (26) is mounted on the outer wall of each rod body (25).

7. A retractor according to claim 4, wherein: the outer wall of the fixed block (19) is provided with a slot hole (27), an elastic sealing ring (28) is arranged on the inner wall of the slot hole (27), and a third magnet (29) is arranged on the inner wall of the slot hole (27).