CN219048658U

CN219048658U - Portable spreader

Info

Publication number: CN219048658U
Application number: CN202223304210.9U
Authority: CN
Inventors: 徐荣光; 李晓静
Original assignee: Jiangsu Huigu Medical Devices Co ltd
Current assignee: Jiangsu Huigu Medical Devices Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-23
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a portable spreader, which belongs to the technical field of spreaders and comprises two handles hinged through a hinge shaft, two spreader heads and two columnar connecting arms, wherein the handles are divided into a driving arm and a spreader arm through the hinge shaft, and the length of the driving arm is larger than that of the spreader arm; the connecting arm is used for enabling the opening head to be detachably connected to the opening arm, wherein a jack is formed in one end of the connecting arm, an inserting column is fixedly connected to one end of the opening arm, and the inserting column is fixed in the jack in an inserting mode. According to the utility model, the connecting arm, the inserting column and the inserting hole are fixed on the spreader, so that the spreader head and the spreader arm can be quickly assembled and disassembled, a user can quickly replace the spreader heads with different shapes and structures in the actual operation process, different use scenes can be matched, the use convenience of the spreader is improved, and the actual use cost is reduced.

Description

Portable spreader

Technical Field

The utility model relates to the technical field of spreaders, in particular to a portable spreader.

Background

In surgery, a spreader is a common surgical instrument, and has the function of spreading human tissues which block the vision of medical staff in the process of surgery, for example, after a doctor cuts the tissues such as muscles at the back spine position by using a surgical knife in the process of spine surgery, the tissues such as muscles at two sides of the spine of a patient need to be spread by using the spreader so as to expose the spine of the patient.

Most of the existing spine distractors adopt a forceps structure, namely medical staff opens a distracting head at the jaw position by squeezing handles of the forceps, so that tissues such as muscles at two sides of a spine of a patient are distracted by the distracting head.

However, the existing spreader has the following disadvantages: the mode that adopts welded between present strut head and the pliers is fixed, and this connected mode leads to all being non-detachable between every strut head and the pliers and links together, like this, at actual operation in-process, strut head just can't change, leads to current spreader application scope narrow on the one hand, and every spreader only has an usage, and the convenience is poor, on the other hand, because every spreader all needs to produce to prop two parts of beginning and pliers, has increased the input of production material, has improved manufacturing cost.

Disclosure of Invention

The utility model aims to provide a portable spreader to solve the problems in the prior art.

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

the two handles are hinged through a hinge shaft and are divided into a driving arm and a supporting arm through the hinge shaft, wherein the length of the driving arm is larger than that of the supporting arm;

the two stretching heads are used for stretching the object to be stretched; and

two columnar connecting arms are used for enabling the opening head to be detachably connected to the opening arms, insertion holes are formed in one ends of the connecting arms, inserting columns are fixedly connected to one ends of the opening arms, and the inserting columns are fixed in the insertion holes in an inserting mode.

Preferably, a magnetic block is fixedly connected to the inner bottom of the jack, and the magnetic block is magnetically attracted and fixed with the inserting column.

Preferably, one end of the inserted column, which is close to the opening arm, is a circular truncated cone, and an opening position of the jack is provided with an open slot matched with the circular truncated cone.

Preferably, a support plate is fixedly connected to the top end of the connecting arm, and the support plate is perpendicular to the supporting head.

Preferably, through holes are formed in the two driving arms, one of the through holes is internally penetrated by a positioning strip, one end of the positioning strip is hinged to the other through hole, a clamping block is fixed in one of the through holes, the positioning strip is tightly pressed on the clamping block through a torsion piece, a plurality of clamping grooves are formed in the positioning strip, and the clamping block is inserted into one of the clamping grooves.

Preferably, the inner surface of the clamping groove close to the hinge point of the positioning strip is an inclined surface I, the inner surface of the clamping groove far away from the hinge point of the positioning strip is a plane I, one side surface of the clamping block close to the hinge point of the positioning strip is an inclined surface II, and one side surface of the clamping block far away from the hinge point of the positioning strip is a plane II.

Preferably, one end of the positioning strip is hinged in the other through hole through a pin shaft.

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

1. this portable struts ware through at the last fixed connection arm of propping up, then prop up the one end rigid coupling post of arm, and set up the jack in the one end of linking arm, when actually installing, only need peg graft the inside fixed to the jack with the post, just can realize propping up the beginning and prop up the quick installation of arm, certainly just also make things convenient for the dismantlement between propping up head and the arm, make the user can be quick change the different shapes and the structure prop up the head at actual operation in-process, cooperate different service scenarios, improve the convenience of use of struts ware, and owing to prop up the detachable design of beginning, a handle can install the head of propping up of multiple structure, that is to say a handle can match multiple beginning of propping up, thereby can reduce the input of production material, practical use cost, and because at the in-process of whole propping up, prop up the effort that the beginning receives and the axial of post are roughly perpendicular, consequently, the condition that linking arm and prop up the arm and the arm that the pulling up that drops off of propping up of adopting magnetism to link can not appear is guaranteed.

2. This portable struts ware, extension board main effect are support linking arm and strut head, and specifically, put the linking arm upside down, also utilize the extension board to replace linking arm and holding surface contact promptly, strut head this moment just can keep vertical ascending direction to only need to strut the head and invert, the inside that the user just can peg graft the jack with the spliced pole, need not the user to hold and prop the beginning and change, reduced the contact between strut head and the user.

3. This portable struts ware sets up the through-hole in the middle part position of actuating arm, and the actuating arm is kept away from the one end of strutting the arm just becomes the free end that can operate at will like this, under this circumstances, the user directly keeps away from the one end of strutting the arm with two actuating arms and extrudees to the centre, can make the actuating arm go up and be used for driving the power arm length maximize that two struts the head and strut, and laborsaving effect is better.

Drawings

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

FIG. 2 is a side cross-sectional view of the connecting arm of the present utility model;

FIG. 3 is a top view of the spacer of the present utility model;

fig. 4 is a top partial view of the spacer of the present utility model.

In the figure: 1. a handle; 11. a driving arm; 111. a through hole; 12. a spreader arm; 13. a hinge shaft; 2. a support head; 3. a connecting arm; 31. a jack; 32. inserting a column; 33. a magnetic block; 34. a circular table column; 35. an open slot; 36. a support plate; 4. a positioning strip; 41. a pin shaft; 42. a clamping groove; 421. an inclined plane I; 422. plane one; 43. a clamping block; 431. a second inclined plane; 432. and a second plane.

Detailed Description

The utility model will now be described with reference to specific examples.

As shown in fig. 1 to 4, the portable spreader of the present embodiment includes two handles 1 hinged by a hinge shaft 13 and two spreading heads 2 for spreading objects to be spread, the handles 1 are divided into two parts of a driving arm 11 and a spreading arm 12 by the hinge shaft 13, in this embodiment, the length of the driving arm 11 is greater than that of the spreading arm 12, so that a user can spread the two spreading heads 2 with a smaller force by using the lever principle, thereby achieving the purpose of saving labor; in the embodiment, the opening heads 2 are of rectangular plate-shaped structures, and the thickness of the opening heads 2 is about 1mm, so that after the two opening heads 2 are attached together, the whole thickness is about 2mm, and the two opening heads 2 are conveniently inserted between wounds or bones to be opened; the top of two struts 2 is fixed with linking arm 3, in this embodiment, linking arm 3 is square columnar structure, adopt detachable mode to link together between this linking arm 3 and the strut arm 12, specifically, jack 31 has been seted up at the one end of linking arm 3, jack 32 has been seted up to the one end rigid coupling of strut arm 12, jack 32 peg graft in jack 31's inside, and the connection is inhaled with the magnetism of fixing at the inside magnetic path 33 of jack 31 to jack 32, because in the in-process of whole strut, the effort that struts 2 received is roughly perpendicular with the axial of jack 32, consequently, the mode that adopts the magnetism to inhale the connection can not appear linking arm 3 and strut the condition that arm 12 drops the separation, in this embodiment, through fixed linking arm 3 on struts 2, then at the one end rigid coupling jack 32 of strut arm 12, and in the one end rigid coupling of linking arm 3, in the time of actual installation, only need peg graft the inside of jack 31 with jack 32, just can realize struts 2 and strut the quick installation of arm 12, of course just make things convenient for the quick installation of struts 2 and strut 2 and the spacer 12, the convenient use of the user's the same shape of the two struts 2 and the convenient change of the structure of the struts 2 in the use of the in the different practical situations.

As shown in fig. 2, the inserting column 32 is divided into a circular column 34 and a cylindrical section, the cylindrical section is fixedly connected with the opening arm 12 through the circular column 34, specifically, the circular column 34 has a plurality of circular sections, wherein the diameter of the circle with the smallest section is the same as that of the cylindrical section, and an open slot 35 matched with the circular column 34 is formed at the opening position of the inserting hole 31, so that the cylindrical section can be conveniently inserted into the inserting hole 31.

As shown in fig. 1, the top end of the connecting arm 3 is fixedly connected with a support plate 36, the support plate 36 is perpendicular to the opening head 2, in this embodiment, the support plate 36 mainly plays a role in supporting the connecting arm 3 and the opening head 2, specifically, the connecting arm 3 is reversely placed, that is, the support plate 36 is used for replacing the connecting arm 3 to contact with a supporting surface, the opening head 2 at this time can keep a vertical upward direction, so that a user can plug the plug post 32 into the jack 31 only by reversely placing the opening head 2, the user does not need to hold the opening head 2 for replacement, and the contact between the opening head 2 and the user is reduced.

After the object to be spread is spread by the spreading head 2, in order to avoid that the distance between the two driving arms 11 is restored to the initial state, as shown in fig. 1, 3 and 4, through holes 111 are formed in the two driving arms 11, a rectangular positioning strip 4 is penetrated in one through hole 111, a pin shaft 41 at one end of the positioning strip 4 is hinged in the other through hole 111, a clamping block 43 is fixed in one through hole 111, the positioning strip 4 is tightly pressed on the clamping block 43 through a torsion piece, the torsion piece can adopt a torsion spring, a plurality of clamping grooves 42 are formed in the positioning strip 4, the clamping block 43 is inserted into one of the clamping grooves 42, the through holes 111 are formed in the middle positions of the driving arms 11, one end of the driving arm 11 away from the spreading arm 12 is a free end capable of being operated at will, in this case, a user directly presses one end of the two driving arms 11 away from the spreading arm 12 towards the middle, and the power arm length used for driving the two spreading heads 2 on the driving arm 11 can be maximized, and the labor-saving effect is better. The inner surface of the clamping groove 42 close to the hinge point of the positioning strip 4 is a first inclined plane 421, the inner surface of the clamping groove 42 far away from the hinge point of the positioning strip 4 is a first plane 422, the side of the clamping groove 43 close to the hinge point of the positioning strip 4 is a second inclined plane 431, the side of the clamping groove 43 far away from the hinge point of the positioning strip 4 is a second plane 432, when one end of the two driving arms 11 far away from the opening arm 12 is pushed to be close to the middle of the two driving arms, the inner surface of the clamping groove 42 close to the hinge point of the positioning strip 4 is a first inclined plane 421, and the side of the clamping groove 43 close to the hinge point of the positioning strip 4 is a second inclined plane 431, so that after the first inclined plane 421 and the second inclined plane 431 are attached together, the first inclined plane 421 pushes the second inclined plane 431 to withdraw from the inside of the clamping groove 42, after the clamping groove 43 is completely withdrawn from the current clamping groove 42, the positioning strip 4 is plugged into the next clamping groove 42 under the torsion action of the torsion spring, and the two driving arms 11 are stopped to be pushed after the included angle between the two opening heads 2 meets the actual requirement, and the two driving arms 432 are stopped to be pushed, and the two clamping heads can be abutted against one plane 422 and the second inclined plane 422 is not kept at the proper angle of the opening angle of the clamping heads 2.

The application method of the embodiment is as follows: after the two abutted supporting heads 2 are inserted between objects to be supported, one ends of the two driving arms 11, which are far away from the supporting arms 12, are pushed to be close to the middle of the two driving arms, the inner surface of the clamping groove 42, which is close to the hinging point of the positioning strip 4, is an inclined surface I421, and the side surface of the clamping block 43, which is close to the hinging point of the positioning strip 4, is an inclined surface II 431, so that after the inclined surface I421 and the inclined surface II 431 are attached together, the inclined surface I421 pushes the inclined surface II 431 to withdraw from the inside of the clamping groove 42, when the clamping block 43 is completely withdrawn from the current clamping groove 42, the positioning strip 4 enables the clamping block 43 to be inserted into the next clamping groove 42 under the torsion action of the torsion spring, and after the included angle between the two supporting heads 2 meets the actual requirement, the pushing of the two driving arms 11 is stopped, and then the plane II 432 is abutted against the plane I422 of one of the clamping groove 42, so that the clamping block 43 is not withdrawn from the clamping groove 42, and the two supporting heads 2 are kept at the proper angle, and the supporting operation is completed; when the spreader head 2 needs to be replaced, the two connecting arms 3 are directly pulled along the axial direction of the inserting column 32, so that the inserting column 32 can be pulled out from the inside of the inserting hole 31, namely, the separation between the spreader head 2 and the spreader arms 12 is completed, and then a new spreader head 2 is replaced.

Claims

1. A portable spreader, comprising:

the two handles (1) are hinged through a hinge shaft (13), the handles (1) are divided into two parts of a driving arm (11) and a supporting arm (12) through the hinge shaft (13), and the length of the driving arm (11) is larger than that of the supporting arm (12);

two spreading heads (2) for spreading the objects to be spread; and

two columnar connecting arms (3) are used for enabling the opening head (2) to be detachably connected to the opening arm (12), wherein a jack (31) is formed in one end of each connecting arm (3), an inserting column (32) is fixedly connected to one end of each opening arm (12), and the inserting column (32) is inserted and fixed in the jack (31).

2. A portable spreader according to claim 1, wherein: the inner bottom of the jack (31) is fixedly connected with a magnetic block (33), and the magnetic block (33) is magnetically attracted and fixed with the inserting column (32).

3. A portable spreader according to claim 1, wherein: one end of the inserting column (32) close to the expanding arm (12) is a round column (34), and an opening position of the inserting hole (31) forms an open groove (35) matched with the round column (34).

4. A portable spreader according to claim 1, wherein: the top end of the connecting arm (3) is fixedly connected with a support plate (36), and the support plate (36) is mutually perpendicular to the opening head (2).

5. A portable spreader according to claim 1, wherein: two all offer through-hole (111) on actuating arm (11), one of them the inside of through-hole (111) is run through has location strip (4), and the one end of this location strip (4) articulates another in through-hole (111), one of them the inside of through-hole (111) is fixed with fixture block (43), location strip (4) compress tightly on fixture block (43) through torsion spare, a plurality of draw-in grooves (42) have been offered on location strip (4), fixture block (43) are pegged graft in one of them draw-in groove (42).

6. A portable spreader according to claim 5, wherein: the inner surface of the clamping groove (42) close to the hinge point of the positioning strip (4) is a first inclined surface (421), the inner surface of the clamping groove (42) far away from the hinge point of the positioning strip (4) is a first plane (422), one side surface of the clamping block (43) close to the hinge point of the positioning strip (4) is a second inclined surface (431), and one side surface of the clamping block (43) far away from the hinge point of the positioning strip (4) is a second plane (432).

7. A portable spreader according to claim 5 or 6, wherein: one end of the positioning strip (4) is hinged in the other through hole (111) through a pin shaft (41).