CN209474696U - A kind of chain type abdominal section retractor - Google Patents

Abstract

The utility model discloses a kind of chain type abdominal section retractors, including retractor body, retractor body includes retractor drag hook and driving chain, and one end of retractor drag hook and one end of driving chain connect, and retractor drag hook is set as hook-shaped far from one end of driving chain；Driving chain is equipped with the driving assembly for driving driving chain mobile, driving assembly is equipped with lockable mechanism, and with Locating driver chain, the lower section of driving assembly is equipped with adjustable support rod, fixation kit is installed, fixation kit can be connected in operating bed on adjustable support rod.The flexible folding of the driving chain of the utility model, the rack gear for solving existing retractor can not be bent, occupied space is big, the technical issues of easily arriving to third assistant in art, be ensure that going on smoothly for surgical procedure, improved procedure efficiency；After by fixation kit and operating bed clamping, the regulation of longitudinal angle of retractor drag hook is adjustable, is easy to use retractor drag hook to catch on tissue to be retracted, operates convenient and strength-saving.

Description

A kind of chain type abdominal section retractor

Technical field

The utility model relates to retractor for abdomen operation tools, and in particular to a kind of chain type abdominal section retractor belongs to doctor Treat equipment technology field.

Background technique

Currently, in order to obtain good surgical field of view, needing to be retracted tissue with retractor when carrying out abdominal operation with aobvious Reveal deep tissue and internal organs, usually to configure several auxiliary doctors and be engaged in the operation for retracting tissue, to guarantee the hand of operating doctor Art operation.On the one hand this mode makes the doctor's large labor intensity for being engaged in drawing work, especially continue several hours or more Operation, labor intensity are no less than operating doctor, increase the indoor crowded state of operation, another aspect manual operation, visual area Size is difficult to control, and increases operation risk.

Notification number be CN2636825Y Chinese patent disclose a kind of abdominal retractor, it is characterized in that include hydraulic steering gear adopting cross piece, Strut, rack gear, hook plate, hydraulic steering gear adopting cross piece are connected with operation bedstead, and strut passes through hydraulic steering gear adopting cross piece, and passes through tightening screw rod and hydraulic steering gear adopting cross piece phase Even, the upper end of strut is equipped with the connecting hole of installation amplitude transformer, in one end insertion connecting hole of amplitude transformer, the other end of amplitude transformer with Rack gear box axis connects connected, is equipped with roll adjustment gear in rack gear box, roll adjustment gear is mutually nibbled with the rack gear for passing through rack gear box, roll adjustment gear It is connected with and shakes the hand, one end of rack gear is connected with hook plate., mitigation doctor labor intensity simple with structure keeps visual area acquisition abundant Exposed advantage.

Although above-mentioned technical proposal solves the deficiencies in the prior art to a certain extent, but still has the following deficiencies:

1) rack gear can not be bent, occupied space is big, easily arrive to third assistant in art, influence going on smoothly for surgical procedure, Reduce procedure efficiency；

2) after hydraulic steering gear adopting cross piece and operation bedstead is fixed, the regulation of longitudinal angle of hook plate can not be adjusted, and use hook plate drawing group It is extremely inconvenient to operate when knitting.

Utility model content

The purpose of the utility model is to provide a kind of chain type abdominal section retractors, to solve the skill proposed in background technique Art problem.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of chain type abdominal section retractor, including retractor body, the retractor body include retractor drag hook and One end of driving chain, the retractor drag hook is connect with one end of the driving chain, and the retractor drag hook is far from described One end of driving chain is set as hook-shaped；The driving chain is equipped with the driving group for driving the driving chain mobile Part, the driving component include control box, sprocket wheel and handwheel, are equipped with chain posting port, the transmission chain through the control box Item is passed through from the chain posting port, and the sprocket wheel is rotatablely connected and inside the control box by shaft and the control box It is engaged with the driving chain, wherein one end of the shaft exposes to the control box and coaxially connected with the handwheel；Institute Driving assembly is stated equipped with lockable mechanism, with positioning transmission chain, the lower section of the driving component is equipped with adjustable support rod, institute It states and fixation kit is installed on adjustable support rod, the fixation kit can be connected in operating bed.

The utility model is further arranged to: the retractor drag hook is equipped at intervals with close to one end of the driving chain Two hinged sets, described two hinged set coaxial arrangements, the driving chain are placed in institute close to one end of the retractor drag hook It states between two hinged sets；The driving chain is equipped with coaxial with described two hinged sets close to one end of the retractor drag hook Mounting hole, be inserted with a central spindle in the mounting hole, the both ends of the central spindle expose to described two hinged sets, the central spindle Wherein one end be connected with the first limited cap, the other end of the central spindle is threaded with the second limited cap.

The utility model is further arranged to: the lower surface of the chain posting port is set as convex surface, the sprocket wheel It is engaged in the lower section of the driving chain with the driving chain.

The utility model is further arranged to: the lockable mechanism includes pull ring, locking column, limited post and lock tube, edge Axially penetrate through the shaft and handwheel and be equipped with jack, the locking column is inserted in the jack and both ends expose to the handwheel and Box is controlled, the locking column is connect close to one end of the handwheel with the pull ring, the other end of the locking column and the limit Position column connection；Along being axially arranged with limited block, the jack inner wall is equipped with to be adapted to the limited block for the locking column outer wall Limiting slot, the limited block are embedded in the limiting slot；The lock tube is hollow open at one end and is sheathed on the outside of the limited post, The open end of the lock tube is connect with the outer wall of the control box, and the lock tube forms limit inside one end far from the control box Position chamber, the limit chamber side wall are equipped with several equidistant riflings, and the limited post is adapted to the limit chamber, and the lock tube is close Movable chamber is formed inside one end of the control box, the limited post can be in pivoting in the movable chamber.

The utility model is further arranged to: the adjustable support rod includes interior bar and outer bar, the interior bar it is upper It holds and is connect with the bottom of the control box, the interior bar is inserted in inside the outer bar, corresponding in the interior bar and the outer bar Equipped at least six location holes, fixed after the interior bar lifting by shop bolt and the outer bar.

The utility model is further arranged to: the fixation kit includes movable pedestal, is clamped seat and locking screw rod, The movable pedestal is equipped with pilot hole, and the outer bar passes through the pilot hole and is slidably connected with the movable pedestal, institute The one end for stating movable pedestal is connect with the clamping seat, and the clamping seat offers card slot, the bed of the card slot and operating bed Body side is fixed, and the movable pedestal is equipped with inside connection pilot hole far from one end of the clamping seat and has internal screw thread Adjustment hole, the locking screw flight is connected to the adjustment hole, and the locking screw rod is set far from one end of the clamping seat There is handle.

The utility model is further arranged to: the control box is connected with far from one end lower part of the retractor drag hook The storage box of hollow upper end opening.

In conclusion the utility model has the following beneficial effects:

1, the flexible folding of the driving chain of the utility model, the rack gear for solving existing retractor can not be bent, occupy Space is big, the technical issues of easily arriving to third assistant in art, ensure that going on smoothly for surgical procedure, improves procedure efficiency；

2, the retractor drag hook of the utility model and driving chain are hinged, after it will be clamped seat and operating bed clamping, retract The regulation of longitudinal angle of device drag hook is adjustable, is easy to use retractor drag hook to catch on tissue to be retracted, operates convenient and strength-saving；

3, the retractor drag hook of the utility model is after retracting notch without can manually be always maintained at traction in art State avoids to pull repeatedly and injure to patient's bring, facilitates going on smoothly for operation, avoids due to being equipped with auxiliary doctor Bring operating room congested problem；

4, the convenient visual area size retracted to retractor drag hook of the driving assembly of the utility model controls, and ensure that hand Going on smoothly for art operation, improves procedure efficiency；

5, the lockable mechanism of the utility model can effectively avoid driving chain retraction, so as to avoid being pulled repeatedly to patient Bring injury improves procedure efficiency with going on smoothly for surgical procedure；

6, the height of the retractor body of the utility model can be realized by adjusting adjustable support rod, be suitable for not With the patient of figure, the scope of application is wider.

Detailed description of the invention

Fig. 1 is the overall structure diagram at the first visual angle of the utility model；

Fig. 2 is the overall structure diagram at the second visual angle of the utility model；

Fig. 3 is the internal structure chart that box is controlled in the utility model；

Fig. 4 is the explosive view of driving assembly and lockable mechanism in the utility model；

Fig. 5 is the front view of the open end side of lock tube in the utility model；

Fig. 6 is the partial structurtes explosive view of the utility model；

Fig. 7 is the explosive view of fixation kit in the utility model.

In figure: 1, retractor body；11, retractor drag hook；111, hinged set；12, driving chain；121, mounting hole； 122, central spindle；123, the first limited cap；124, the second limited cap；2, box is controlled；21, shaft；22, sprocket wheel；23, handwheel；24, it inserts Hole；241, limiting slot；25 locking columns；251, pull ring；252, limited block；253, limited post；26, lock tube；261, limit chamber；262, Equidistant rifling；263, movable chamber；27, chain posting port；3, adjustable support rod；31, interior bar；32, outer bar；33, location hole； 34, shop bolt；4, movable pedestal；41, it is clamped seat；42, locking screw rod；43, pilot hole；44, card slot；45, adjustment hole； 46, handle；5, storage box.

Specific embodiment

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

In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "inner", "outside" Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can be directly connected, two elements can also be can be indirectly connected through an intermediary Internal connection.For the ordinary skill in the art, it can understand that above-mentioned term is practical at this as the case may be Concrete meaning in novel.

Embodiment, a kind of chain type abdominal section retractor, as shown in Figures 1 to 7, including retractor body 1, retractor sheet Body 1 includes retractor drag hook 11 and driving chain 12, and one end of retractor drag hook 11 is connect with one end of driving chain 12, is retracted Device drag hook 11 is set as hook-shaped far from one end of driving chain 12；Specifically, the width of retractor drag hook 11 have 12cm, 5cm, Tri- kinds of specifications of 3cm are suitable for various sizes of notch；Driving chain 12 is equipped with the driving for driving driving chain 12 mobile Component, driving assembly include control box 2, sprocket wheel 22 and handwheel 23, are equipped with chain posting port 27, driving chain through control box 2 12 pass through from chain posting port 27, and sprocket wheel 22 is by shaft 21 and the rotation connection of control box 2 and in 2 inside of control box and transmission chain Item 12 engages, and wherein one end of shaft 21 exposes to control box 2 and coaxially connected with handwheel 23；Driving assembly is equipped with locking machine Structure, with positioning transmission chain 12, the lower section of driving assembly is equipped with adjustable support rod 3, is equipped with fixation on adjustable support rod 3 Component, fixation kit can be connected in operating bed.

Specifically, the lockable mechanism of the utility model includes pull ring 251, locking column 25, limited post 253 and lock tube 26, It is equipped with jack 24 axially through shaft 21 and handwheel 23, locking column 25 is inserted in jack 24 and both ends expose to handwheel 23 and control Box 2 processed, locking column 25 are connect close to one end of handwheel 23 with pull ring 251, and the other end of locking column 25 is connect with limited post 253； 25 outer wall of locking column is equipped with the limiting slot 241 being adapted to limited block 252, limit along limited block 252,24 inner wall of jack is axially arranged with Position block 252 is embedded in limiting slot 241；Lock tube 26 is hollow open at one end and is sheathed on 253 outside of limited post, the open end of lock tube 26 It is connect with the outer wall of control box 2, formation limit chamber 261 inside the one end of lock tube 26 far from control box 2, on 261 side wall of limit chamber Equipped with several equidistant riflings 262, limited post 253 is adapted to limit chamber 261, and lock tube 26 is formed inside one end of control box 2 Movable chamber 263, limited post 253 can be in pivotings in movable chamber 263.

The adjustable support rod 3 of the utility model includes interior bar 31 and outer bar 32, the upper end and the bottom of control box 2 of interior bar 31 Portion's connection, interior bar 31 are inserted in inside outer bar 32, and six location holes 33 are correspondingly provided in interior bar 31 and outer bar 32, and interior bar 31 is gone up and down It is fixed by shop bolt 34 and outer bar 32 afterwards；It is envisaged that location hole 33 is not merely only limited to setting six, it can also With setting seven, eight, even more than.In this way, facilitating the height for adjusting retractor body 1.

The fixation kit of the utility model includes movable pedestal 4, clamping seat 41 and locking screw rod 42, movable pedestal 4 It is equipped with pilot hole 43, outer bar 32 passes through pilot hole 43 and is slidably connected with movable pedestal 4, one end of movable pedestal 4 and card Joint chair 41 connects, and clamping seat 41 offers card slot 44, and card slot 44 and the bed body side of operating bed are fixed, and movable pedestal 4 is remote One end from clamping seat 41 is equipped with 43 inside of connection pilot hole and with internal thread adjustment hole 45, and locking screw rod 42 is threadedly coupled In adjustment hole 45, locking screw rod 42 is equipped with handle 46 far from one end of clamping seat 41.In this way, by adjusting locking screw rod 42 Fixation position of the outer bar 32 on movable pedestal 4 can be adjusted, fixation kit is convenient for disassembly and assembly.

Preferably, retractor drag hook 11 is equipped at intervals with two hinged sets 111 close to one end of driving chain 12, and two hinged 111 coaxial arrangement of set, driving chain 12 are placed between two hinged sets 111 close to one end of retractor drag hook 11；Driving chain 12 are equipped with the mounting hole 121 coaxial with two hinged sets 111 close to one end of retractor drag hook 11, are inserted in mounting hole 121 One central spindle 122, the both ends of central spindle 122 expose to two hinged sets 111, and wherein one end of central spindle 122 is connected with the first limited cap 123, the other end of central spindle 122 is threaded with the second limited cap 124.In this way, being convenient for changing retractor drag hook 11, inciting somebody to action Be clamped seat 41 and operating bed clamping after, the regulation of longitudinal angle of retractor drag hook 11 is adjustable, be easy to use retractor drag hook 11 catch on to Tissue is retracted, is operated convenient and strength-saving.

Preferably, the lower surface of chain posting port 27 is set as convex surface, lower section and biography of the sprocket wheel 22 in driving chain 12 Dynamic chain 12 engages.In this way, the corner angle in folding and unfolding driving chain 12 at chain posting port 27 is avoided to block driving chain 12, facilitate the positioning of driving chain 12 to adjust.

Preferably, control box 2 is connected with the storage box 5 of hollow upper end opening far from one end lower part of retractor drag hook 11. In this way, the end of driving chain 12 is placed in storage box 5 after the completion of tissue retraction, under the end for avoiding driving chain 12 It hangs down, be detached from aseptic area.

Working principle: a kind of chain type abdominal section retractor disclosed in the utility model is carrying out in use, first incite somebody to action this The adjustable support rod 3 of utility model design is fixed on operation bedside by circuit nurse under the guidance of operative doctor；Specifically It is first to be fastened on movable pedestal 4 on bed body side by the fixation of card slot 44, is then again fixedly connected with adjustable support rod 3 On movable pedestal 4, fixation of the adjustable telescopic bar on movable pedestal 4 is adjusted by rotational handle 46 simultaneously with this Position, after the completion of fixed, medical staff needs to adjust adjustable support rod 3 to suitable height further according to operation, passes through Shop bolt 34 is fixed, and the whole height for adjusting retractor body 1 is achieved, later by the traction with tilt angle In head end insertion patient's operative incision of device drag hook 11；It is pulled open if necessary to two-way, one can be disposed again in the operating bed other side The retractor of the utility model；The drawing opening size of patient incision is adjusted by rotation handwheel 23, specifically, to notch Drawing opening size when being adjusted, pulling pull ring 251 first extracts limited post 253 out of limit chamber 261, rotates handwheel 23, handwheel 23 drive locking column 25 rotate, limited post 253 in movable chamber 263 with locking column 25 rotate synchronously, limited block 252 Shaft 21 is driven to rotate, shaft 21 is rotated with movable sprocket 22, and sprocket wheel 22 drives driving chain 12 mobile, realizes the degree of pulling open of notch The adjusting of size；After the completion of the drawing opening size of notch is adjusted, pull ring 251 is pushed to be inserted into limited post 253 to 26 side of lock tube Limit chamber 261, lock tube 26 lock limited post 253, realize the positioning of driving chain 12；After the completion of drawing, the utility model begins Keep stable orientation and positioning eventually, guarantee retractor body 1 always in the suitable angle of patient's notch and position, prevent Non-return bullet conveniently allows operating doctor to pulling open patient's notch to suitable aperture, the ideal degree for controlling traction Surgical procedure, effect are very ideal.It is postoperative, high-temperature disinfection treatment is carried out to retractor, to carry out turnaround cycle use.

This specific embodiment is only the preferred embodiment of the utility model, not makees any shape to the utility model Limitation in formula；Anyone skilled in the art all may be used in the case where not departing from technical solutions of the utility model ambit Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaired It is changed to the equivalent embodiment of equivalent variations.Therefore, all contents without departing from technical solutions of the utility model are practical new according to this The technical spirit of type any simple modification, equivalent replacement, equivalence changes and modification made to the above embodiment still fall within this In the range of the protection of utility model technical solution.

Claims (7)

1. a kind of chain type abdominal section retractor, including retractor body (1), it is characterised in that: retractor body (1) packet Include retractor drag hook (11) and driving chain (12), the one of one end of the retractor drag hook (11) and the driving chain (12) End connection, the retractor drag hook (11) are set as hook-shaped far from the one end of the driving chain (12)；The driving chain (12) it is equipped with the driving assembly for driving the driving chain (12) mobile, the driving component includes control box (2), chain (22) and handwheel (23) are taken turns, through the control box (2) equipped with chain posting port (27), the driving chain (12) is from the chain Posting port (27) passes through, and the sprocket wheel (22) is by shaft (21) and the control box (2) rotation connection and in the control Is engaged with the driving chain (12) inside box (2), wherein one end of the shaft (21) expose to the control box (2) and with The handwheel (23) is coaxially connected；The driving component is equipped with lockable mechanism, with positioning transmission chain (12), the driving group The lower section of part is equipped with adjustable support rod (3), is equipped with fixation kit, the fixation kit on the adjustable support rod (3) Operating bed can be connected in.

2. a kind of chain type abdominal section retractor according to claim 1, it is characterised in that: the retractor drag hook (11) One end close to the driving chain (12) is equipped at intervals with two hinged sets (111), and described two hinged sets (111) coaxially set It sets, the driving chain (12) is placed between described two hinged sets (111) close to one end of the retractor drag hook (11)；Institute It states driving chain (12) and is equipped with the installation coaxial with described two hinged sets (111) close to one end of the retractor drag hook (11) Hole (121), the mounting hole (121) is interior to be inserted with a central spindle (122), and the both ends of the central spindle (122) expose to described two Wherein one end of hinged set (111), the central spindle (122) is connected with the first limited cap (123), the central spindle (122) it is another End is threaded with the second limited cap (124).

3. a kind of chain type abdominal section retractor according to claim 1, it is characterised in that: the chain posting port (27) Lower surface be set as convex surface, lower section and the driving chain (12) of sprocket wheel (22) the Yu Suoshu driving chain (12) are nibbled It closes.

4. a kind of chain type abdominal section retractor according to claim 1, it is characterised in that: the lockable mechanism includes drawing Ring (251), locking column (25), limited post (253) and lock tube (26), are equipped with axially through the shaft (21) and handwheel (23) Jack (24), the locking column (25) is inserted in the jack (24) and both ends expose to the handwheel (23) and control box (2), The locking column (25) connect close to the one end of the handwheel (23) with the pull ring (251), the locking column (25) it is another End is connect with the limited post (253)；Locking column (25) the outer wall edge is axially arranged with limited block (252), the jack (24) Inner wall is equipped with the limiting slot (241) being adapted to the limited block (252), and the limited block (252) is embedded in the limiting slot (241)；The lock tube (26) is hollow open at one end and is sheathed on the outside of the limited post (253), the opening of the lock tube (26) It holds and is connect with the outer wall of control box (2), the lock tube (26) forms limit chamber inside one end far from control box (2) (261), limit chamber (261) side wall is equipped with several equidistant riflings (262), the limited post (253) and the limit chamber (261) it is adapted to, the lock tube (26) forms movable chamber (263) inside one end of control box (2), the limited post It (253) can be in the movable chamber (263) interior pivoting.

5. a kind of chain type abdominal section retractor according to claim 1, it is characterised in that: the adjustable support rod It (3) include interior bar (31) and outer bar (32), the upper end of the interior bar (31) is connect with the bottom of control box (2), described interior Bar (31) is inserted in the outer bar (32) inside, is correspondingly provided at least six positioning in the interior bar (31) and the outer bar (32) Hole (33), it is fixed by shop bolt (34) and the outer bar (32) after interior bar (31) lifting.

6. a kind of chain type abdominal section retractor according to claim 5, it is characterised in that: the fixation kit includes can Mobile base (4), clamping seat (41) and locking screw rod (42), the movable pedestal (4) are equipped with pilot hole (43), described outer Bar (32) pass through the pilot hole (43) be slidably connected with the movable pedestal (4), one end of the movable pedestal (4) and Clamping seat (41) connection, the clamping seat (41) offer card slot (44), the bed body side of the card slot (44) and operating bed It is fixed, the movable pedestal (4) is equipped with connection pilot hole (43) inside and band far from one end of clamping seat (41) Internal thread adjustment hole (45), the locking screw rod (42) are threadedly connected to the adjustment hole (45), the locking screw rod (42) one end far from clamping seat (41) is equipped with handle (46).

7. a kind of chain type abdominal section retractor described in any one according to claim 1~6, it is characterised in that: the control Box (2) processed is connected with the storage box (5) of hollow upper end opening far from one end lower part of the retractor drag hook (11).