CN209203362U

CN209203362U - Operation spreader

Info

Publication number: CN209203362U
Application number: CN201820414398.7U
Authority: CN
Inventors: 姜山; 陈德龙; 邓章荣; 王鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-26
Filing date: 2018-03-26
Publication date: 2019-08-06
Anticipated expiration: 2028-03-26

Abstract

The utility model relates to the technical fields of medical instrument, disclose a kind of operation spreader, when use, first support claw and the second support claw close merging incision in opposite directions, patient controls the first support claw by the first hand-held part and the second hand-held part and the second support claw is opened in opposite directions, since the first wedge-shaped sword and the second wedge-shaped land are to being disposed obliquely outwards, during the first support claw and the second support claw are opened in opposite directions, first wedge-shaped sword and the second wedge-shaped sword can remove the fascia for being grown on inside-fixture surface along opening direction, periosteum, bone tissue and other soft tissues, first wedge-shaped sword and the second wedge-shaped sword are sharp, peeling effect is preferable, operation and tourniquet application time can be shortened, reduce the risk of postoperative infection, be conducive to the postoperative rehabilitation of patient.

Description

Operation spreader

Technical field

The utility model relates to the technical fields of medical instrument, more particularly to a kind of operation spreader.

Background technique

Reduction of the fracture internal fixation is a kind of modus operandi for the treatment of fracture.In order to keep good reset and be aligned to line Relationship is commonly used in the operation of limbs fracture using steel plate and screw as inside-fixture.Due to inside-fixture Chang Buke quilt Absorption of human body, so most of after clinical union of bone need fixed removal surgery in row, interior fixed take out needs first to cut skin, The sufficiently exposure fixtures such as steel plate and screw, after cutting skin, usually using works such as muscular retractor, goitre retractor or dilators It is outer that tool traction skin is exposed to fixture.

In present clinical operation, in the lesser situation of notch of skin, the skin of incision is strutted with dilator Skin prevents the skin histology of incision to be closed automatically and stops the patient visual field, influences to judge in art, existing dilator avoids taking out Skin texture, which is pulled outside out, when fixture is arranged to hook solid for dilator front end, but crotch structure is rounder and more smooth, nothing Method sufficiently removes the fascia for being grown on inside-fixture surface, periosteum, bone tissue and other soft tissues, to extend operation and hemostasis Band application time, increases the risk of postoperative infection, the rehabilitation postoperative to patient and overall health of patients have certain harm.

Utility model content

The purpose of the utility model is to provide a kind of operation spreaders, are unable to fully removing growth to solve existing dilator In the fascia on inside-fixture surface, periosteum, bone tissue and other soft tissues, the problem of increasing the risk of postoperative infection.

To solve the above-mentioned problems, the utility model provides a kind of operation spreader, including first struts body and the second support Open body, described first to strut body include that the first hand-held part and first strut arm, described second strut body include the second hand-held part and Second struts arm, is equipped between first hand-held part and second hand-held part and struts fixed structure；Described first struts arm First end with described second strut arm first end be movably hinged, described first strut arm second end be equipped with the first support claw, Described second second end for strutting arm is equipped with the second support claw, and first support claw is equipped with the first wedge-shaped sword, second support claw The second wedge-shaped sword, the described first wedge-shaped sword and the second wedge-shaped land are equipped with to being disposed obliquely outwards.

Further, first support claw includes the first corpus unguis of multiple spacing side by side arrangement, on each first corpus unguis It is equipped with the described first wedge-shaped sword；Second support claw includes the second corpus unguis of multiple spacing side by side arrangements, each second pawl The described second wedge-shaped sword is equipped on body.

Further, first corpus unguis is staggered with the second corpus unguis opposite tilt, and two neighboring described first Gap between corpus unguis can accommodate second corpus unguis of corresponding position, and the gap between two neighboring second corpus unguis can accommodate First corpus unguis of corresponding position.

Further, one fewer than the quantity of first corpus unguis of the quantity of second corpus unguis.

Further, described first arm is strutted and described second to strut arm be the semicircular arc being oppositely arranged.

Further, the described first second end for strutting arm is equipped with the first connecting plate, and first support claw is arranged described The upper surface of first connecting plate；Described second second end for strutting arm is equipped with the second connecting plate, and second support claw is arranged in institute State the upper surface of the second connecting plate.

Further, first hand-held part includes first connecting rod and is arranged in first-hand on the first connecting rod Finger-hole, the first connecting rod strut arm with described first and connect；Second hand-held part includes that the second connecting rod and setting exist Second-hand's finger-hole in second connecting rod, second connecting rod struts arm with described second and connect, described to strut fixation Structure setting is between the first connecting rod and second connecting rod.

Further, the fixed structure that struts includes that arc-shaped rack on the inside of the first connecting rod, setting is arranged in It is used to fix the arc on the through slot for the perforative through slot of the arc-shaped rack and setting in second connecting rod The positioning mechanism of shape rack gear；The positioning mechanism includes mounting plate, runs through the through slot and engage connection with the arc-shaped rack Fixed strip and handle, one end of the mounting plate is fixed on the inside of second connecting rod, the other end of the mounting plate Hinged with the first end of the fixed strip, the second end of the fixed strip is connect with the handle.

The utility model provides a kind of operation spreader, and first struts arm, and with second to strut arm hinged, when specifically used, One support claw and the second support claw close merging incision in opposite directions, and patient controls the first support claw by the first hand-held part and the second hand-held part It is opened in opposite directions with the second support claw, since the first wedge-shaped sword and the second wedge-shaped land are to being disposed obliquely outwards, in the first support claw and the During two support claws are opened in opposite directions, the first wedge-shaped sword and the second wedge-shaped sword can be removed along opening direction and be grown on inside-fixture Fascia, periosteum, bone tissue and other soft tissues on surface, the first wedge-shaped sword and the second wedge-shaped sword are sharp, and peeling effect is preferable, Operation and tourniquet application time can be shortened, reduce the risk of postoperative infection, be conducive to the postoperative rehabilitation of patient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the operation spreader in the utility model embodiment；

Fig. 2 is the structural schematic diagram of the first support claw and the second support claw in the utility model embodiment.

In figure, 1, first struts body；2, second body is strutted；3, fixed structure is strutted；11, the first hand-held part；12, the first support Open arms；13, the first support claw；14, the first connecting plate；21, the second hand-held part；22, second arm is strutted；23, the second support claw；24, Two connecting plates；31, arc-shaped rack；32, through slot；33, mounting plate；34, fixed strip；35, handle；111, the first finger hole；112, First connecting rod；211, second-hand's finger-hole；212, the second connecting rod；131, the first corpus unguis；132, the first wedge-shaped sword；231, second Corpus unguis；232, the second wedge-shaped sword.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "top", "bottom" etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure It makes and operates, therefore should not be understood as limiting the present invention.

Referring to figs. 1 and 2, a kind of operation spreader of the utility model embodiment is schematically showed, including First struts body 1 and second struts body 2, and first to strut body 1 include that the first hand-held part 11 and first struts arm 12, the first hand-held part 11 and first strut the connection of arm 12, and second, which struts body 2, struts arm 22,21 He of the second hand-held part including the second hand-held part 21 and second Second struts the connection of arm 22, is equipped between the first hand-held part 11 and the second hand-held part 21 and struts fixed structure 3；First struts arm 12 The first end first end that struts arm 22 with second be movably hinged, the first second end for strutting arm 12 is equipped with the first support claw 13, the Two second ends for strutting arm 22 are equipped with the second support claw 23, and the first support claw 13 is equipped with the first wedge-shaped sword 132, sets on the second support claw 23 There is the second wedge-shaped sword 232, the first wedge-shaped sword 132 and the second wedge-shaped sword 232 are disposed obliquely outwards backwards.

The first end living hinge that first first end for strutting arm 12 struts arm 22 with second, first struts the second of arm 12 End is respectively equipped with the first support claw 13 and the second support claw 23, the first support claw 13 and the second support claw 23 with the second second end for strutting arm 22 It is oppositely arranged, the first support claw 13 and the second support claw 23 can according to need opposite opening and closing.When specifically used, the first support claw 13 and second support claw 23 close merging incision in opposite directions, patient passes through first support of the first hand-held part 11 and the control of the second hand-held part 21 Pawl 13 and the second support claw 23 are opened in opposite directions to suitable position and are locked using fixed structure 3 is strutted, and realize the first support claw 13 and second Support claw 23 struts effect to incision skin, exposes inside-fixture sufficiently, effectively reduces the blocking in the art area visual field, sufficiently sudden and violent Reveal visual area；Since the first wedge-shaped sword 132 and the second wedge-shaped sword 232 are disposed obliquely outwards backwards, i.e., the first wedge-shaped sword 132 and second The edge direction of wedge-shaped sword 232 is identical as the first support claw 13 and the opposite direction opened of the second support claw 23, in 13 He of the first support claw During second support claw 23 is opened in opposite directions, the first wedge-shaped sword 132 and the second wedge-shaped sword 232 can be removed along opening direction and be grown In the fascia on inside-fixture surface, periosteum, bone tissue and other soft tissues, the first wedge-shaped sword 132 and the second wedge-shaped sword 232 are compared with cutting edge of a knife or a sword Benefit, peeling effect is preferable, can shorten operation and tourniquet application time, reduce the risk of postoperative infection, be conducive to patient's art Rehabilitation afterwards.

Specifically, as shown in Fig. 2, the first support claw 13 includes the first corpus unguis 131 of multiple spacing side by side arrangement, each first pawl It is equipped with the first wedge-shaped sword 132 on body 131, the second support claw 23 includes the second corpus unguis 231 of multiple spacing side by side arrangement, and each second The second wedge-shaped sword 232 is equipped on corpus unguis 231, each first wedge-shaped sword 132 is set towards outer incline backwards with each second wedge-shaped sword 232 It sets, arranges corpus unguis by being equipped with multiple parallel intervals on the first support claw 13 and the second support claw 23, so that operation spreader It is uniform to strut power, struts that effect is preferable, moreover, the wedge-shaped sword on multiple pawl heads acts on simultaneously, peeling effect is more preferable.

Further, the first corpus unguis 131 is staggered with 231 opposite tilt of the second corpus unguis, two neighboring first corpus unguis 131 Between gap can accommodate the second corpus unguis 231 of corresponding position, the gap between two neighboring second corpus unguis 231 can accommodate corresponding position The first corpus unguis 131, in the first support claw 13 and the second support claw 23 closure in opposite directions, the first corpus unguis 131 and the second corpus unguis 231 can phases It to being housed in corresponding corpus unguis gap, is built into notch skin, then opposite opening is for strutting, it is smaller in the notch of skin In the case where, the volume built in operation spreader in notch skin can be effectively reduced, convenient for operation.

In the present embodiment, guarantees that the first corpus unguis 131 and the second corpus unguis 231 accommodate completely between the two, the second corpus unguis is set 231 quantity one fewer than the quantity of the first corpus unguis 131, likewise, the quantity of the first corpus unguis 131 also can be set than the second pawl The quantity of body 231 is one few.

Further, the first second end for strutting arm 12 is equipped with the first connecting plate 14, and the setting of the first support claw 13 connects first The upper surface of fishplate bar 14；Second second end for strutting arm 22 is equipped with the second connecting plate 24, and the setting of the second support claw 23 is in the second connection The upper surface of plate 24, due to first strut arm 12 and second strut arm 22 second end face area it is smaller, and generally Arc-shaped is unfavorable for arranging multiple corpus unguis, and multiple corpus unguis spacing side by side are arranged in the upper end of connecting plate by setting connecting plate Face, stable structure, it is easy to accomplish.

In the present embodiment, preferably first struts arm 12 and second to strut arm 22 be the semicircular arc being oppositely arranged, setting half It is arc-shaped to increase the patient visual field, blocking of the operation spreader to other surgical instruments is reduced, certainly, according to operation demand, Also other shapes be can be set into, such as oblong, rectangular.

Further, the first hand-held part 11 includes first connecting rod 112 and is arranged in first-hand on first connecting rod 112 Finger-hole 111, first connecting rod 112 strut arm 12 with first and connect；Second hand-held part 21 includes that the second connecting rod 212 and setting exist Second-hand's finger-hole 211 in second connecting rod 212, the second connecting rod 212 strut arm 22 with second and connect, and strut fixed structure 3 It is arranged between first connecting rod 112 and the second connecting rod 212, in use, patient passes through the first finger hole by fingers of single hand 111 and second-hand's finger-hole 211 operate, and then control the first support claw 13 and the second support claw 23 opposite opening and closing.

Specifically, fixed structure 3 is strutted to include the arc-shaped rack 31 that 112 inside of first connecting rod is arranged in, be arranged in institute It states and is used to fix arc-shaped rack 31 on through slot 32 for the perforative through slot 32 of arc-shaped rack 31 and setting in the second connecting rod 212 Positioning mechanism；Positioning mechanism include mounting plate 33, engage through through slot 32 and with arc-shaped rack 31 connection fixed strip 34 and Handle 35, one end of mounting plate 33 are fixed on the inside of the second connecting rod 212, and the of the other end of mounting plate 33 and fixed strip 34 One end is hinged, and the second end of fixed strip 34 is connect with handle 35, when specifically used, passes through 111 He of the first finger hole by finger During second-hand's finger-hole 211 controls the first support claw 13 and the opposite opening and closing of the second support claw 23, arc strip can be followed First connecting rod 112 is walked about, to shuttle in through slot 32, one end of mounting plate 33 is fixed by screws in the second connection On bar 212, the other end and fixed strip 34 are hinged, and fixed strip 34 can be rotated around hinged end, and fixed strip 34 is nibbled with arc-shaped rack 31 Transmission is closed, after determining the expanded angle between the first support claw 13 and the second support claw 23, handle 35 is up pushed up with finger, is made Fixed strip 34 is meshed with arc-shaped rack 31, can fix expanded angle, improves stability, fixes visual area, is convenient for medical care Personnel's operation；When needing to unlock, handle 35 is pressed with finger down directly, divides fixed strip 34 with arc-shaped rack 31 From the expanded angle between the first support claw 13 and the second support claw 23 can be readjusted.

It should be understood that various information are described in the utility model using term " first ", " second " etc., but these Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with Referred to as " first " information.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims

1. a kind of operation spreader, which is characterized in that strut body and second including first and strut body, described first, which struts body, includes First hand-held part and first struts arm, and described second, which struts body, struts arm including the second hand-held part and second, and described first is hand-held It is equipped between portion and second hand-held part and struts fixed structure；Described first, which struts the first end of arm and described second, struts arm First end be movably hinged, the described first second end for strutting arm is equipped with the first support claw, and the described second second end for strutting arm sets There is the second support claw, first support claw is equipped with the first wedge-shaped sword, and second support claw is equipped with the second wedge-shaped sword, and described first Wedge-shaped sword and the second wedge-shaped land are to being disposed obliquely outwards.

2. operation spreader as described in claim 1, which is characterized in that first support claw includes multiple spacing side by side arrangements The first corpus unguis, the described first wedge-shaped sword is equipped on each first corpus unguis；Second support claw includes multiple spacing side by side Second corpus unguis of arrangement is equipped with the described second wedge-shaped sword on each second corpus unguis.

3. operation spreader as claimed in claim 2, which is characterized in that first corpus unguis inclines in opposite directions with second corpus unguis It is tiltedly staggered, the gap between two neighboring first corpus unguis can accommodate second corpus unguis of corresponding position, two neighboring Gap between second corpus unguis can accommodate first corpus unguis of corresponding position.

4. operation spreader as claimed in claim 3, which is characterized in that the quantity of second corpus unguis is than first corpus unguis Quantity few one.

5. operation spreader as described in claim 1, which is characterized in that described first, which struts arm, struts arm with described second and be The semicircular arc being oppositely arranged.

6. operation spreader as claimed in claim 2, which is characterized in that the described first second end for strutting arm is equipped with first and connects The upper surface of first connecting plate is arranged in fishplate bar, first support claw；Described second second end for strutting arm is equipped with second The upper surface of second connecting plate is arranged in connecting plate, second support claw.

7. operation spreader as described in claim 1, which is characterized in that first hand-held part includes first connecting rod and sets The first finger hole on the first connecting rod is set, the first connecting rod struts arm with described first and connect；Described second Hand-held part includes the second connecting rod and second-hand's finger-hole for being arranged in second connecting rod, second connecting rod with it is described Second struts arm connection, and the fixed structure that struts is arranged between the first connecting rod and second connecting rod.

8. operation spreader as claimed in claim 7, which is characterized in that the fixed structure that struts includes setting described the Arc-shaped rack, setting on the inside of one connecting rod supply the perforative through slot of the arc-shaped rack and setting in second connecting rod For fixing the positioning mechanism of the arc-shaped rack on the through slot；The positioning mechanism includes mounting plate, through described logical Slot and the fixed strip and handle that connection is engaged with the arc-shaped rack, one end of the mounting plate is fixed on second connecting rod Inside, the other end of the mounting plate and the first end of the fixed strip are hinged, the second end of the fixed strip with described Hand connection.