CN209203367U - A kind of abdominal retractor device - Google Patents

Abstract

The utility model discloses a kind of abdominal retractor devices, its technical solution is that pairs of arc arm includes outer arc arm and inner arc arm, outer arc arm is hollow, outer arc arm includes linear arm and camber line arm, the outer wall of inner arc arm and the part of the inside hollow out of camber line arm match, and inner arc arm stretches out in one end of camber line arm and connect with pillar, shaft is provided with boss on one end of camber line arm, the two sides of boss are provided with deformable gas cell and out air bag, Air sac cover is set in shaft and between sliding block and boss out, air bag is provided with baffle ring far from the side of boss out, gas cell is provided with partition far from the side of boss, inflating port and air inlet are offered on gas cell, bleeding point and gas outlet are offered on air bag out, inflating port and bleeding point pass through tracheae and are connected on partition and are connected to camber line arm inside, air inlet and air outlet pass through Tracheae is connected to the side wall of linear arm and is in communication with the outside, and solves the problems, such as that the size of abdominal retractor device can not be adjusted.

Description

A kind of abdominal retractor device

Technical field

The utility model relates to a kind of medical instrument, more particularly to a kind of abdominal retractor device.

Background technique

Doctor to patient implement abdominal operation when, in order to obtain good surgical field of view, need with drag hook retract tissue with Appear deep tissue and internal organs, there is the abdominal retractor device used to be fixed on a left side for operating table by positioning component in present society The arc arm of the left and right sides is stitched and fastened to form a half big arc, the drag hook for retracting tissue is installed to arc by right two sides It is crowded when being fixed on arm, the quantity of nurse can be saved in this way, while can also reduce operation, convenient for operating doctor into Row operation, but there is defects for existing abdominal retractor device: and the size of the first, arc arm is fixed, and promotes operating room Hospital bed size can be wide different and change with the body of patient, arc arm pairs of at this time can not split, bad stability, if arc arm is not by It touches and moves between careful, will cause drag hook and excessively pull tissue, it is big to the wound of patient's wound；The second, patient is on one's sick bed Position it is different, the position center that the center of the symmetrical split of arc arm and patient's needs are performed the operation is inconsistent, then causes drag hook can not be by It is installed on arc arm and is fixed, someone is needed to hold drag hook, this will cause the increase of personnel, and hospital costs are high, perform the operation crowded And it is inconvenient.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of adjustable arc arm sizes Abdominal retractor device.

To achieve the above object, the utility model provides following technical solution: a kind of abdominal retractor device includes into Pair positioning component, pillar, arc arm and drag hook, the positioning component is set to one end of pillar, the other end and arc arm of pillar Connection, pillar and arc arm are located in two planes, and the drag hook is connected on arc arm, and the pillar can relative positioning group Part rotation, the pairs of arc arm includes outer arc arm and inner arc arm, and the outer arc arm is hollow, the outer arc arm include shaft, The part of linear arm and camber line arm, the inside hollow out of the outer wall and camber line arm of the inner arc arm matches, and inner arc arm stretches out in One end of camber line arm is connect with pillar, and the shaft is provided with boss on one end of camber line arm, and the two sides of the boss are set It is equipped with deformable gas cell and out air bag, the air bag out is provided with baffle ring, the baffle ring and straight line far from the side of boss Arm is fixedly connected, and the gas cell is provided with partition far from the side of boss, and the partition is fixedly connected on the inside of outer arc arm, Inflating port and air inlet are offered on the gas cell, offer bleeding point and gas outlet, the inflating port on the air bag out Pass through tracheae with bleeding point to be connected on partition and be connected to camber line arm inside, the air inlet and air outlet pass through tracheae It being connected to the side wall of linear arm and is in communication with the outside, the inflating port, air inlet, bleeding point and gas outlet are unidirectional port, Linear arm is extended in one end of the shaft, and when squeezing shaft, boss squeezes gas cell, inlet close, and inflating port is opened, Air pressure between inner arc arm and partition increases, and inner arc arm stretches out outer arc arm, until unclamping shaft, air inlet open, inflating port is closed It closes, gas cell restores deformation, and boss resets；When pulling shaft, boss squeezes out air bag, and gas outlet is opened, and bleeding point is closed, Until unclamping shaft, gas outlet is closed, and bleeding point is opened, and the air pressure between inner arc arm and partition reduces, and inner arc arm is retracted into outer arc Arm, air bag restores deformation out, and boss resets.

It is respectively arranged with limiting stand and lantern ring in two shafts as a further improvement of the utility model, it is described Lantern ring slip is set in shaft, and the first spring groove is provided in the shaft where lantern ring, is arranged in first spring groove There is the first spring, one end of first spring is connected on the slot bottom of the first spring groove, card ball is connected on the other end, initially Under state, lantern ring is between card ball and linear arm, when two shafts are mutually aligned, lantern ring is pushed to move axially along shaft, Card ball is retracted into the first spring groove by the extruding of lantern ring, and the first spring deformation, another spindle portion is contained in lantern ring, until The inner wall and card ball of lantern ring, which release, to be contradicted, and the first spring reset, card ball stretches out the first spring groove again, and lantern ring is limited in limiting stand Between card ball.

It is provided with swivelling chute and reseting groove on the inner wall of the linear arm as a further improvement of the utility model, institute It states swivelling chute and reseting groove is located at baffle ring far from the side for going out air bag, the swivelling chute is in shape of threads, and the reseting groove is linear And extend along the centerline direction of linear arm, reseting groove connects the both ends of swivelling chute, rotatable in the linear arm to set It is equipped with shaft, sliding block is provided on the side wall of the shaft, the sliding block can slide in swivelling chute or reseting groove, the reset Setting is there are two second spring slot in slot, and two second spring slots are located at the two sides of sliding block initial position, and two described the Second spring is provided in two spring grooves, two second springs are respectively connected with block piece, the opposite face of two block pieces It is plane, the face that two block pieces are away from each other is cambered surface, and two block piece parts stretch out in second spring slot and limit to sliding block, When drive shaft rotates forward, sliding block is moved along swivelling chute, and boss squeezes gas cell, until sliding block is moved to swivelling chute and reseting groove Junction, sliding block moves along reseting groove and is pushed closer to the block piece in gas cell, contradicts with close to the block piece for going out air bag；Work as drive When turn axis inverts, sliding block is moved along swivelling chute, and boss squeezes out air bag, until sliding block is moved to the company of swivelling chute and reseting groove Place is met, sliding block is moved along reseting groove and is pushed closer in the block piece of air bag out, with the block piece conflict close to gas cell.

The boss is rotatably connected with shaft as a further improvement of the utility model, the boss and linear arm The connection of inner wall slip, and moved along the extending direction of linear arm.

The pillar includes interior pillar and outer pillar in pairs as a further improvement of the utility model, described outer Pillar offers cavity, and the interior pillar connect with inner arc arm and partially protrudes into outer pillar, and the interior pillar can relatively outer branch Column is axially extending, and interior pillar cannot be rotated relative to outer pillar, and the positioning component is located in outer pillar, one of outer pillar Cavity in it is rotatable be provided with bull stick, the bull stick is threadedly coupled with interior pillar, be fixedly connected with driving wheel on the bull stick, The driving wheel is engaged with drive rod, and one end of the drive rod is pierced by from the side wall of outer pillar, the side wall of another outer pillar On be threaded with check lock lever, described check lock lever one end is located in outer pillar and inconsistent with interior pillar, and it is outer that the other end is located at this Outside pillar.

The positioning component includes upper clamp plate, lower clamp plate and screw rod as a further improvement of the utility model, described Upper clamp plate is rotatably connected on the outer wall of outer pillar, and the lower clamp plate is sheathed in outer pillar, and the screw rod and upper clamp plate can Rotation is connected and is threadedly coupled with lower clamp plate.

It is provided with snap-gauge on the arc arm as a further improvement of the utility model, the drag hook includes bending part And straight plate part, the straight plate part are extended by one end of bending part, being provided on the side of the straight plate part can be stuck on snap-gauge Several grabs, several described grabs along straight plate part extending direction arrange.

Several are uniformly provided on the side wall of the snap-gauge as a further improvement of the utility model, mutually to fit with grab The limiting slot matched.

The width of the limiting slot is greater than the width of grab as a further improvement of the utility model,.

Arc arm is divided into mutual set on the basis of having basic structure and function by the beneficial effects of the utility model If inner arc arm and outer arc arm, shaft is set in outer arc arm, boss is provided on one end of shaft, boss two sides, which are provided with, to be filled Air bag and out air bag, pressure or pulling force make gas cell or air bag is resetted from being deflected into out by applying to shaft, in change Gas volume between arc arm and outer arc arm, so that arc arm lengths are adjustable, the hospital bed suitable for different in width；By outer arc arm It is divided into camber line arm and linear arm two parts, linear arm extends along the tangential direction of camber line arm, can in conjunction with pillar relative positioning component Rotation connection is conducive between arc arm so that one end of arc of rotation arm, two arc arms is able to maintain face after arc arm changes length Agree with；The length of two arc arms independently adjusts simultaneously, so that the length of two arc arms is different, by positioning component with respect to hospital bed Railing is mobile so that the big arc arm that two arc arms are formed pair the center of circle change, suitable for the difference of patient on one's sick bed Position.

Detailed description of the invention

Fig. 1 is the schematic internal view of the linear arm of the utility model.

Fig. 2 is the enlarged drawing in Fig. 1 at A.

Fig. 3 is the schematic internal view of pillar where the check lock lever of the utility model.

Fig. 4 is the schematic internal view of pillar where the drive rod of the utility model.

Fig. 5 is schematic diagram when two shafts of the utility model are disconnected from each other.

Fig. 6 is the perspective view of the utility model.

Specific embodiment

The utility model is described in further detail below in conjunction with embodiment given by attached drawing.

Referring to figs. 1 to shown in Fig. 6, a kind of abdominal retractor device of the present embodiment includes pairs of positioning component 1, branch Column 2, arc arm 3 and drag hook 4, positioning component 1 are set to one end of pillar 2, and the other end of pillar 2 is connect with arc arm 3, pillar 2 with Arc arm 3 is located in two planes, and drag hook 4 is connected on arc arm 3, and positioning component 1 is generally clip, for being clipped in hospital bed Two sides connecting rod on, after fixed, pillar 2 is located in perpendicular, and arc arm 3 is located in horizontal plane, and the arc arm 3 relatively of pillar 2 is vertically Setting, drag hook 4 are hung on arc arm 3, and one end of pairs of arc arm 3 mutually contradicts；

Pillar 2 can relative positioning component 1 rotate, in the course of surgery, can first to install positioning component 1, and turn Dynamic two arc arms 3 make one end between the two align and contradict, and when performing the operation round-off work, can first rotate two arc arms 3 The interference of arc arm 3 Yu drag hook 4 is avoided so that doctor sews up a wound for patient to the two sides of hospital bed；Pairs of arc arm 3 includes outer Arc arm 31 and inner arc arm 32, outer arc arm 31 is hollow, and outer arc arm 31 includes shaft 37, linear arm 33 and camber line arm 34, linear arm 33 are arranged along the tangential direction of camber line arm 34, and the part of the inside hollow out of the outer wall and camber line arm 34 of inner arc arm 32 matches, and One end that inner arc arm 32 stretches out in camber line arm 34 is connect with pillar 2, and shaft 37 is provided with boss on one end of camber line arm 34 39, the two sides of boss 39 are provided with deformable gas cell 6 and out air bag 7, and gas cell 6 and out air bag 7 are elastic material, quilt It can restore to the original state automatically after extruding；Air bag 7 is provided with baffle ring 30 far from the side of boss 39 out, and baffle ring 30 and linear arm 33 are solid Fixed connection, air bag 7 is sheathed in shaft 37 and between baffle ring 30 and boss 39 out, side of the gas cell 6 far from boss 39 Be provided with partition 5, partition 5 is fixedly connected on the inside of outer arc arm 31, gas cell 6 be located at 37 upper spacer 5 of shaft and boss 39 it Between, inflating port 61 and air inlet 62 are offered on gas cell 6, offer bleeding point 71 and gas outlet 72, inflating port on air bag 7 out 61 and bleeding point 71 be connected on partition 5 by tracheae 8 and be connected to inside camber line arm 34, air inlet 62 and gas outlet 72 are equal The side wall of linear arm 33 is connected to by tracheae 8 and is in communication with the outside, inflating port 61, air inlet 62, bleeding point 71 and gas outlet 72 are provided with single-way switch, so that inflating port 61, air inlet 62, bleeding point 71 and gas outlet 72 are unidirectional port, shaft Linear arm 33 is extended in 37 one end, and during the manufacturing, linear arm 33 is put together by two and half tube bodies, baffle ring 30 It is divided into two parts and is located in two and half tube bodies, so between 33 split of linear arm, gas cell 6 is placed in wherein one In a half tube body, air bag 7 out is sheathed in shaft 37 and is contradicted with boss 39, and shaft 37 is installed in half tube body, Air bag 7 is limited between boss 39 and baffle ring 30 out, and gas cell 6 is limited between boss 39 and partition 5, and tracheae 8 is installed to Behind position, altogether with the half tube body lid by another half tube body, the installation of a components is completed, two and half tube bodies can be direct here Welding also or be designed to removably cover close, according to actual needs depending on；In use, convex when squeezing shaft 37 Platform 39 squeezes gas cell 6, and air inlet 62 is closed, and inflating port 61 is opened, and the air pressure between inner arc arm 32 and partition 5 increases, inner arc Arm 32 stretches out outer arc arm 31, until unclamping shaft 37, air inlet 62 is opened, and inflating port 61 is closed, and gas cell 6 restores deformation, convex Platform 39 resets；When pulling shaft 37, boss 39 squeezes out air bag 7, and gas outlet 72 is opened, and bleeding point 71 is closed, until unclamping Shaft 37, gas outlet 72 are closed, and bleeding point 71 is opened, and the air pressure between inner arc arm 32 and partition 5 reduces, and inner arc arm 32 is retracted into outer Arc arm 31, air bag 7 restores deformation out, and boss 39 is resetted, after adjusting, 3 relative positioning component 1 of arc arm rotated, so that two Shaft 37 is mutually aligned and contradicts, and is designed in this way, and the length that inner arc arm 32 stretches out camber line arm 34 is adjusted, to reach change The length of entire arc arm 3 enables the end of pairs of arc arm 3 mutually to contradict to adapt to the hospital bed of different in width；Work as patient When positional shift on one's sick bed, the length of two arc arms 3 is adjusted, and the positioning component 1 where arc arm 3 is moved along railing The position opposite to two shafts 37, so meet patient can be carried out operation on different location；It in the design process, can be Inner arc arm 32, which is located at one end in camber line arm 34, is arranged sealing ring, to ensure the leakproofness between inner arc arm 32 and partition 5, makes Obtain 3 length stabilisation of arc arm adjusted；It is in one end circular arc because arc arm 3 is in one section of circular arc, then outer arc arm 31 and inner arc arm 32, When inner arc arm 32 is stretched out with respect to outer arc arm 31, the maximum radian of arc arm 3 is the circular arc of a quarter, at this time from one end of arc arm 3 For the straight line at place perpendicular to the straight line where the other end, the maximum distance of end to intersection point point is the radius of circular arc, inner arc arm 32 It is further continued for stretching out outer arc arm 31 that it will cause ends to become smaller to the distance of intersection point point, so formation after two arc arms 3 are inconsistent Circular arc is half of circular arc, in order to which arc arm 3 can adapt to more hospital bed width, the circular arc of the arc length of arc arm 3 in a quarter Change in arc length, the radius of circle corresponding to arc arm 3 is bigger, then the maximum hospital bed width of arc arm 3 adapted to also is got over Greatly, the arc length of outer arc arm 31 and inner arc arm 32 is chosen in the arc length of circular arc for being less than a quarter, according to practical need Depending on asking.

As a kind of improved specific embodiment, in the prior art, pairs of arc arm 3 passes through gauze after mutual contradict Simple package, so that two arc arms 3 are connected with each other, such connection type is cumbersome, improves the use cost of gauze, To solve this problem, referring to shown in Fig. 5 to Fig. 6, limiting stand 51 and lantern ring 52, lantern ring are respectively arranged in two shafts 37 52 slips are set in shaft 37, are provided with the first spring groove 53 in the shaft 37 where lantern ring 52, in the first spring groove 53 It is provided with the first spring 54, one end of the first spring 54 is connected on the slot bottom of the first spring groove 53, and card is connected on the other end Ball 55, in use, when two shafts 37 fail to be mutually aligned, the first spring groove 53, lantern ring are stretched out in 55 part of card ball 52 are limited between card ball 55 and linear arm 33, so lantern ring 52, without departing from the shaft 37, the connection for improving lantern ring 52 is steady It is qualitative, it will not lose；When two shafts 37 are mutually aligned, lantern ring 52 is pushed to move axially along shaft 37, lantern ring 52 is opposite to be blocked The spherical surface of ball 55 slides, and card ball 55 is squeezed into the first spring groove 53, and deformation occurs for the first spring 54, and lantern ring 52 is with respect to institute It is stretched out in one end of shaft 37 and another shaft 37 is partially accommodated in lantern ring 52, until the inner wall and card ball 55 of lantern ring 52 It releases and contradicts, the first spring 54 restores deformation, and card ball 55 stretches out the first spring groove 53 again, and lantern ring 52 is limited in limiting stand 51 Between card ball 55, the design position of limiting stand 51 to meet lantern ring 52 will not completely disengage it is original where shaft 37； Card ball 55 exposes the volume of the first spring groove 53 to change within the hemisphere of whole ball, so that lantern ring 52 and card ball 55 occur relatively Sliding；By the design of lantern ring 52, the connective stability of two shafts 37 is improved, enables the position of pairs of arc arm 3 It determines, avoids touching arc arm 3 accidentally in surgical procedure and make arc arm 3 there is a situation where movements；Two shaft 37 simultaneously Alignment need to be met, can also make two shafts 37 connect by lantern ring 52 without contradicting.

It, can be because of the two phase because one end of pairs of arc arm 3 is in alignment procedure as a kind of improved specific embodiment It contradicts also or when lantern ring 52 is pushed with respect to card ball 55, enables shaft 37 to stretch out or be retracted into linear arm 33, so that gas cell 6 Or air bag 7 is squeezed out, inner arc arm 32 causes two shafts 37 to misplace each other with respect to the stretching of camber line arm 34, so that 52 nothing of lantern ring Method is sheathed in the shaft 37 where limiting stand 51, to solve this problem, referring to figs. 1 to shown in Fig. 2, in linear arm 33 Swivelling chute 35 and reseting groove 36 are provided on wall, swivelling chute 35 and reseting groove 36 are located at baffle ring 30 far from the side for going out air bag 7, rotation Turn trough 35 is in shape of threads, and reseting groove 36 linearly and along the centerline direction of linear arm 33 extends, and reseting groove 36 is by swivelling chute 35 Both ends connect, it is rotatable in linear arm 33 to be provided with shaft 37, sliding block 38, sliding block are provided on the side wall of shaft 37 38 can slide in swivelling chute 35 or reseting groove 36, and there are two second spring slot 44, two second springs for setting in reseting groove 36 Slot 44 is located at the two sides of 38 initial position of sliding block, and second spring 45, two the second bullets are provided in two second spring slots 44 Spring 45 is respectively connected with block piece 56, and two opposite faces of block piece 56 are plane, and the face that two block pieces 56 are away from each other is cambered surface, gear The plane of part 56 can be inconsistent to limit to sliding block 38 with sliding block 38, and with sliding block 38 phase can occur for the cambered surface of block piece 56 To sliding, so that 44 deformation of second spring, block piece 56 are retracted into second spring slot 44, until gear sliding block 38 is moved to two block pieces Between 56, second spring 44 restores deformation, and block piece 56 stretches out outside second spring slot 44 again, and two block pieces 56 limit sliding block 38 Position, when drive shaft 37 rotates forward, sliding block 38 is moved along swivelling chute 35, and boss 39 squeezes gas cell 6, and air inlet 62 is closed, filled Port 61 is opened, and the air pressure between inner arc arm 32 and partition 5 increases, and inner arc arm 32 stretches out outer arc arm 31, until sliding block 38 is mobile To the junction of swivelling chute 35 and reseting groove 36, air inlet 62 is opened, and inflating port 61 is closed, and gas cell 6 restores deformation, boss 39 It resets, sliding block 38 moves along reseting groove 36 and be pushed closer to the block piece 56 in gas cell 6, supports with close to the block piece 56 for going out air bag 7 Touching；When drive shaft 37 inverts, sliding block 38 is moved along swivelling chute 35, and boss 39 squeezes out air bag 7, and gas outlet 72 is opened, and is taken out Port 71 is closed, until sliding block 38 is moved to the junction of swivelling chute 35 Yu reseting groove 36, gas outlet 72 is closed, bleeding point 71 It opens, the air pressure between inner arc arm 32 and partition 5 reduces, and inner arc arm 32 is retracted into outer arc arm 31, and air bag 7 restores deformation, boss out 39 reset, and sliding block 38 is moved along reseting groove 36 and is pushed closer in the block piece 56 of air bag 7 out, with the block piece close to gas cell 6 56 contradict, and the design of two block pieces 56 enables sliding block 38 to limit between two block pieces 56, while enabling for sliding block 38 It is enough to repeat to move offer basis along swivelling chute 35, and shaft 37 is limited by block piece 56 and can only be moved along swivelling chute 35, so only The length of arc arm 3 can be adjusted by rotating shaft 37, the length that is unstable and making arc arm 3 for avoiding two shafts 37 occurs The case where variation, the stability of shaft 37 is improved, while having mitigated shaft 37 to gas cell 6 and the extruding of air bag 7 out, improved Gas cell 6 and the out service life of air bag 7.

As a kind of improved specific embodiment, shown referring to Fig.1, boss 39 is rotatably connected with shaft 37, boss 39 connect with the inner wall slip of linear arm 33, and move along the extending direction of linear arm 33, by the circumferential surface of boss 39 With the convex block and groove to match is respectively set on the inner wall of linear arm 33 so that boss 39 can only be moved along 33 straight line of linear arm It is dynamic, it without relatively rotating, is rotated together compared to boss 39 and shaft 37, can avoid boss 39 and squeezing gas cell 6 or outlet When capsule 7 can also the surface of to gas cell 6 or out air bag 7 generate twisting resistance so that boss 39 wears bad gas cell 6 or out air bag 7 The case where, improve gas cell 6 and the out service life of air bag 7.

As a kind of improved specific embodiment, in the tissue using different depth in 4 supporter of drag hook, and each The belly thickness of people is different, is required to the high and low position of adjustment drag hook 4, and before surgery, if doctor is to the belly of each patient Distance to arc arm 3 measures, and selects the drag hook 4 of specific length, and which results in the delays of operating time, may be delayed The state of an illness of patient, to solve the problems, such as this, referring to shown in Fig. 3, Fig. 4 and Fig. 6, pairs of pillar 2 includes interior pillar 21 and outer branch Column 22, outer pillar 22 offer cavity 23, and interior pillar 21 connect with inner arc arm 32 and partially protrudes into outer pillar 22, interior pillar 21 Can be axially extending with respect to outer pillar 22, and interior pillar 21 cannot be rotated relative to outer pillar 22, positioning component 1 is located at outer pillar 22 On, rotatable in the cavity 23 of one of outer pillar 22 to be provided with bull stick 24, bull stick 24 is threadedly coupled with interior pillar 21, bull stick It is fixedly connected with driving wheel 25 on 24, driving wheel 25 is engaged with drive rod 26, the side wall of one end of drive rod 26 from outer pillar 22 Be pierced by, be threaded with check lock lever 27 on the side wall of another outer pillar 22,27 one end of check lock lever be located in outer pillar 22 and with Interior pillar 21 is inconsistent, and the other end is located at outside the outer pillar 22, and before surgery, pairs of arc arm 3 is connected in place by lantern ring 52 Afterwards, check lock lever 27 is unscrewed, the conflict state of the interior pillar 21 of pillar 2 where releasing 27 pairs of check lock lever, so that the interior pillar 21 It can be relatively moved with outer pillar 22, then rotating bar 26 is driven to rotate, so that rotating bar 26 drives driving wheel 25 to rotate, driving wheel 25 drive bull sticks 24 rotate together, and because bull stick 24 is threadedly coupled with interior pillar 21, interior pillar 21 is because fixed between pairs of arc arm 3 Connection, interior pillar 21 will not be rotated with bull stick 24, while pillar 21 is rotated relative to bull stick 24 within institute on the opposite bull stick 24 of meeting Lower movement, to reach the height for changing arc arm 3, after arc arm 3 highly adjusts, rotation lock bar 27 is allowed to and interior pillar again 21 contradict, so that 3 stable connection of arc arm on the pillar 2 where check lock lever 27, avoid on arc arm 3 occurs because hanging drag hook 4 Lower movement adjusts the height simplicity of pillar 2 and mitigates, adjustment precision is high, fits so that entire 3 run-off the straight of arc arm, is designed in this way Different patients is closed, and two pillars 2 raise simultaneously decline, synchronism is high, convenient for operation；It, can be by interior branch according to operational requirements Column 21 be designed to it is non-circular, then in pillar 21 will not rotate with bull stick 24, institute within pillar 21 relative to bull stick 24 rotation while The opposite bull stick 24 of meeting moves up and down, and can be carved with scale on the side wall of interior pillar 21, will first be provided with the pillar 2 of rotating bar 26 Adjust, according to scale, the check lock lever 27 on another pillar 2 is unclamped, adjust interior pillar 21 scale it is identical as the former after, Check lock lever 27 is tightened again, is finally correspondingly connected with two arc arms 3.

As a kind of improved specific embodiment, referring to shown in Fig. 3, Fig. 4 and Fig. 6, positioning component 1 includes upper clamp plate 11, lower clamp plate 12 and screw rod 13, upper clamp plate 11 are rotatably connected on the outer wall of outer pillar 22, and lower clamp plate 12 is sheathed on outer pillar On 22, screw rod 13 is rotatably connected with upper clamp plate 11 and is threadedly coupled with lower clamp plate 12, installs when by the present apparatus to hospital bed two sides When, by the way that the side rails of hospital bed are placed between upper clamp plate 11 and lower clamp plate 12, upper clamp plate 11 is placed in railing upper end, rotates spiral shell Bar 13 can not rotate due to lower clamp plate 12 is limited by outer pillar 22 with screw rod 13, so screw rod 13 is with respect to 12 turns of lower clamp plate Dynamic, screw thread of the lower clamp plate 12 on screw rod 13 moves up and down, while also moving up and down with respect to outer pillar 22, so that lower folder Close to railing or far from railing, whether control positioning component 1 is clamped on railing plate 12.

Snap-gauge 57 is provided on arc arm 3, drag hook 4 includes referring to shown in Fig. 6 as a kind of improved specific embodiment There are bending part 41 and straight plate part 42, straight plate part 42 is extended by one end of bending part 41, is provided with energy on the side of straight plate part 42 Several grabs 43 being stuck on snap-gauge 57, several grabs 43 are uniformly distributed along the extending direction of straight plate part 42, use process In, tissue first is retracted with bending part 41, then the grab 43 for corresponding to snap-gauge 57 on straight plate part 42 is sketched the contours on snap-gauge 57, drag hook 4 are positioned by the support force for the tension and snap-gauge 57 organized simultaneously, several grabs 43 to adjust the height of bending part 41, So that bending part 41 retracts the tissue of different height, practicability is improved；In design process, position that straight plate part 42 is contacted with arc arm 3 Set grab 43 and be connected in the distance between position of snap-gauge 57 the distance between less than adjacent grab 43, avoid grab 43 with The side wall of arc arm 3 contradicts, and causes the clamping of drag hook 4 to phenomenon difficult on arc arm 3.

Several are uniformly provided on the side wall of snap-gauge 57 referring to shown in Fig. 6 as a kind of improved specific embodiment Limiting slot 58 compatible with grab 43 makes drag hook 4 will not be along snap-gauge by the way that grab 43 is caught in one of limiting slot 58 57 move, and improve the connective stability of drag hook 4.

As a kind of improved specific embodiment, snap-gauge 57 is connected in because first using the traction tissue of drag hook 4, then by drag hook 4 On, the position of grab 43 is not just corresponding with limiting slot 58, to solve this problem, referring to shown in Fig. 6, limiting slot 58 Width is greater than the width of grab 43, and the width of limiting slot 58 is 5mm~10mm bigger than the width of grab 43, should not be too large, because of human body Flexible and tension is organized, so a small amount of movement of drag hook 4 meets human oriented design, drag hook 4 is enabled to be stuck in limiting slot 58 In.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (9)

1. It include pairs of positioning component (1), pillar (2), arc arm (3) and drag hook (4) 1. a kind of abdominal retractor device, it is described Positioning component (1) is set to one end of pillar (2), and the other end of pillar (2) is connect with arc arm (3), pillar (2) and arc arm (3) It is located in two planes, the drag hook (4) is connected on arc arm (3), it is characterised in that: the pillar (2) can be opposite Positioning component (1) rotation, the pairs of arc arm (3) include outer arc arm (31) and inner arc arm (32), in the outer arc arm (31) Sky, the outer arc arm (31) include shaft (37), linear arm (33) and camber line arm (34), the outer wall of the inner arc arm (32) with The part of the inside hollow out of camber line arm (34) matches, and inner arc arm (32) stretches out in one end and pillar (2) of camber line arm (34) Connection, the shaft (37) are provided with boss (39) on the one end of camber line arm (34), the two sides setting of the boss (39) There are deformable gas cell (6) and out air bag (7), between, air bag (7) out are provided with baffle ring far from the side of boss (39) (30), the baffle ring (30) is fixedly connected with linear arm (33), the gas cell (6) far from boss (39) side be provided with every Plate (5), the partition (5) are fixedly connected on the inside of outer arc arm (31), offered on the gas cell (6) inflating port (61) and Air inlet (62) offers bleeding point (71) and gas outlet (72), the inflating port (61) and bleeding point on air bag (7) out (71) it is connected on partition (5) and is connected to camber line arm (34) inside, the air inlet (62) and gas outlet by tracheae (8) (72) it is connected to the side wall of linear arm (33) by tracheae (8) and is in communication with the outside, the inflating port (61), air inlet (62), bleeding point (71) and gas outlet (72) they are unidirectional port, and linear arm (33) are extended in one end of the shaft (37), when When squeezing shaft (37), boss (39) squeezes gas cell (6), and air inlet (62) is closed, and inflating port (61) is opened, inner arc arm (32) Air pressure between partition (5) increases, and inner arc arm (32) stretches out outer arc arm (31), until shaft (37) are unclamped, air inlet (62) It opens, inflating port (61) is closed, and gas cell (6) restores deformation, and boss (39) resets；When pulling shaft (37), boss (39) It squeezing out air bag (7), gas outlet (72) are opened, and bleeding point (71) is closed, until unclamping shaft (37), gas outlet (72) are closed, Bleeding point (71) is opened, and the air pressure between inner arc arm (32) and partition (5) reduces, and inner arc arm (32) is retracted into outer arc arm (31), out Air bag (7) restores deformation, and boss (39) resets.
2. 2. a kind of abdominal retractor device according to claim 1, it is characterised in that: set respectively on two shafts (37) It is equipped with limiting stand (51) and lantern ring (52), lantern ring (52) slip is set on shaft (37), is turned where lantern ring (52) It is provided with the first spring groove (53), is provided with the first spring (54) in first spring groove (53), described first on axis (37) One end of spring (54) is connected on the slot bottom of the first spring groove (53), is connected on the other end card ball (55), under original state, Lantern ring (52) is located between card ball (55) and linear arm (33), when two shafts (37) are mutually aligned, pushes lantern ring (52) edge Shaft (37) axial movement, card ball (55) are retracted into the first spring groove (53) by the extruding of lantern ring (52), the first spring (54) shape Becoming, another shaft (37) is partially accommodated in lantern ring (52), until the inner wall of lantern ring (52) and card ball (55) release and contradict, the One spring (54) resets, and card ball (55) stretches out the first spring groove (53) again, and lantern ring (52) is limited in limiting stand (51) He Kaqiu (55) between.
3. 3. a kind of abdominal retractor device according to claim 2, it is characterised in that: set on the inner wall of the linear arm (33) It is equipped with swivelling chute (35) and reseting groove (36), the swivelling chute (35) and reseting groove (36) are located at baffle ring (30) far from air bag out (7) side, the swivelling chute (35) are in shape of threads, and the reseting groove (36) is linearly and along the center line side of linear arm (33) To extension, reseting groove (36) connects the both ends of swivelling chute (35), rotatable in the linear arm (33) to be provided with shaft (37), it is provided with sliding block (38) on the side wall of the shaft (37), the sliding block (38) can be along swivelling chute (35) or reseting groove (36) sliding in, there are two second spring slot (44), two second spring slot (44) positions for the middle setting of the reseting groove (36) It is provided with second spring (45) in the two sides of sliding block (38) initial position, two second spring slots (44), two institutes It states second spring (45) to be respectively connected with block piece (56), two opposite faces of the block piece (56) are plane, two block pieces (56) The face being away from each other is cambered surface, and two block pieces (56) partially stretch out in second spring slot (44) and limit to sliding block (38), works as drive When turn axis (37) rotates forward, sliding block (38) is mobile along swivelling chute (35), and boss (39) squeezes gas cell (6), until sliding block (38) It is moved to the junction of swivelling chute (35) Yu reseting groove (36), sliding block (38) is mobile along reseting groove (36) and is pushed closer in inflation The block piece (56) of capsule (6) is contradicted with close to the block piece (56) for going out air bag (7)；When drive shaft (37) reversion, sliding block (38) edge Swivelling chute (35) is mobile, and boss (39) squeezes out air bag (7), until sliding block (38) are moved to swivelling chute (35) and reseting groove (36) Junction, sliding block (38) is mobile along reseting groove (36) and is pushed closer to block piece (56) in air bag out (7), and close to inflation The block piece (56) of capsule (6) contradicts.
4. 4. a kind of abdominal retractor device according to claim 3, it is characterised in that: the boss (39) and shaft (37) can Rotation connection, the boss (39) connect with the inner wall slip of linear arm (33), and move along the extending direction of linear arm (33) It is dynamic.
5. 5. a kind of abdominal retractor device according to claim 1 or 2 or 3 or 4, it is characterised in that: the pairs of pillar (2) Include interior pillar (21) and outer pillar (22), the outer pillar (22) offers cavity (23), the interior pillar (21) with Inner arc arm (32) is connected and is partially protruded into outer pillar (22), and the interior pillar (21) can be axially extending with respect to outer pillar (22), And interior pillar (21) cannot rotate relative to outer pillar (22), the positioning component (1) is located on outer pillar (22), outside one of them Rotatable in the cavity (23) of pillar (22) to be provided with bull stick (24), the bull stick (24) is threadedly coupled with interior pillar (21), institute It states and is fixedly connected on bull stick (24) driving wheel (25), the driving wheel (25) is engaged with drive rod (26), the drive rod (26) one end is pierced by from the side wall of outer pillar (22), is threaded with check lock lever on the side wall of another outer pillar (22) (27), described check lock lever (27) one end is located in outer pillar (22) and inconsistent with interior pillar (21), and the other end is located at the outer branch Column (22) is outside.
6. 6. a kind of abdominal retractor device according to claim 5, it is characterised in that: on the positioning component (1) includes Clamping plate (11), lower clamp plate (12) and screw rod (13), the upper clamp plate (11) are rotatably connected on the outer wall of outer pillar (22), institute It states lower clamp plate (12) to be sheathed on outer pillar (22), the screw rod (13) is rotatably connected with upper clamp plate (11) and and lower clamp plate (12) it is threadedly coupled.
7. 7. a kind of abdominal retractor device according to claim 1 or 2 or 3 or 4, it is characterised in that: set on the arc arm (3) It is equipped with snap-gauge (57), the drag hook (4) includes bending part (41) and straight plate part (42), and the straight plate part (42) is by bending part (41) one end is extended, and is provided with several grabs that can be stuck on snap-gauge (57) on the side of the straight plate part (42) (43), several described grabs (43) are arranged along the extending direction of straight plate part (42).
8. 8. a kind of abdominal retractor device according to claim 7, it is characterised in that: on the side wall of the snap-gauge (57) uniformly Offer several with grab (43) compatible limiting slot (58).
9. 9. a kind of abdominal retractor device according to claim 8, it is characterised in that: the width of the limiting slot (58) is greater than The width of grab (43).