CN219422876U

CN219422876U - Liver and gall operation expansion device

Info

Publication number: CN219422876U
Application number: CN202320336845.2U
Authority: CN
Inventors: 陈伟鑫; 伍箴衡; 陈炳坤
Original assignee: Fujian Medical University
Current assignee: Fujian Medical University
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-28
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a liver and gall operation expansion device, and belongs to the technical field of operation expansion devices. The utility model provides a liver and gall operation expansion device, includes operation expansion support frame, and operation expansion support frame includes the cavity telescopic link, and the fixed block has all been cup jointed at the telescopic link both ends, and the through connection of fixed block below has rotation locking device, rotates locking device rotation and is connected with left support arm and right support arm. The length of the expansion device is adjusted through the lifting and contracting rod, then the left support arm and the right support arm are rotated according to the width of a wound to be supported, and then the support arms are fixed by using the rotating and locking device, so that the effect of supporting the wound is achieved. The utility model has compact structure, can enter a supporting wound with smaller volume, can be transversely and longitudinally adjusted, and has good supporting effect.

Description

Liver and gall operation expansion device

Technical Field

The utility model relates to the technical field of surgical expansion devices, in particular to a liver and gall surgical expansion device.

Background

During operation, medical staff can open an operation incision at a focus point on a patient, the medical staff usually firstly props up the operation incision and then stretches into the patient through the incision to perform operation.

The patent literature with the publication number 212547030U in the prior art provides a liver and gall operation expansion device, the device is provided with a rectangular shell, the rear end face of the rectangular shell is an outwards convex arc surface, rectangular grooves which are penetrated in the front and back directions are respectively formed in the left side and the right side of the rectangular shell, racks in the front and back directions are connected in a sliding mode in the rectangular grooves, the front ends of the two racks extend out of the rectangular grooves on the corresponding sides of the rectangular grooves and are provided with arc plates with backwards openings, a left axial rotating shaft and a right axial rotating shaft are connected in the rectangular shell in a rotating mode, main gears are respectively coaxially arranged on the left side and the right side of the rotating shaft, the main gears are meshed with the racks on the corresponding sides of the main gears, a first bevel gear which is arranged between the two main gears is coaxially arranged on the rotating shaft, a front and back axial rotating column is arranged at the rear end of the rectangular shell, a second bevel gear which is meshed with the first bevel gear is coaxially arranged on the rear side wall of the rectangular shell, and the distance between the rectangular shells is adjusted through rotating the rotating columns so as to achieve the purpose of supporting wounds. Although the device has more beneficial effects, the following problems still exist: the supporting device has larger volume entering the wound, can influence the operation, can only be adjusted forwards and backwards, and has limitation.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a liver and gall operation expanding device, which aims to solve the problem that the prior supporting device is large in size and single in adjusting direction in the background art.

2. Technical proposal

The utility model provides a liver and gall operation expansion device, includes operation expansion support frame, operation expansion support frame includes hollow telescopic link, the fixed block has all been cup jointed at the telescopic link both ends, fixed block below through-connection has rotation locking device, rotation locking device rotates and is connected with left support arm and right support arm.

As a preferred embodiment: the lower ends of the left support arm and the right support arm are fixedly connected with support blocks, and the support blocks are fixedly connected with contact plates.

As a preferred embodiment: the telescopic rod is provided with a sliding rail groove, sliding rail teeth are fixedly arranged at the bottom of the sliding rail groove, and sliding rail blocking blocks are arranged at the tail ends of the sliding rail teeth.

As a preferred embodiment: the telescopic link circumference inner wall integrated into one piece has sliding connection in the inside slider of slide rail groove, the telescopic link outer wall inlays and is equipped with the pulling piece, the baffle has been cup jointed to pulling piece below, the baffle below is provided with the spring, the spring below is provided with the stop block that runs through in the slide rail groove.

As a preferred embodiment: the center of the rotation locking device is provided with a locking bolt, a right arm fluted disc is connected to the locking bolt in a threaded manner, a left arm fluted disc is matched with the right arm fluted disc in a rotating manner, the locking bolt is connected to the left arm fluted disc in a threaded manner, the right arm fluted disc is fixedly connected with a right supporting arm on the circumferential outer wall of the right arm fluted disc, and the left arm fluted disc is fixedly connected with a left supporting arm on the circumferential outer wall of the left arm fluted disc.

As a preferred embodiment: the connecting piece of threaded connection telescopic link is provided with on the fixed block, fixed block is close to telescopic link one end fixedly connected with telescopic link support.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

the length of the expansion device is adjusted through the lifting and contracting rod, then the left support arm and the right support arm are rotated according to the width of a wound to be supported, and then the support arms are fixed by using the rotating and locking device, so that the effect of supporting the wound is achieved. The utility model has compact structure, can enter a supporting wound with smaller volume, can be transversely and longitudinally adjusted, and has good supporting effect.

Drawings

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

FIG. 2 is a schematic view of a portion of a telescoping rod in accordance with the present utility model;

FIG. 3 is a schematic cross-sectional view of a portion of a telescoping rod in accordance with the present utility model;

FIG. 4 is an exploded view of a portion of the rotational locking apparatus of the present utility model;

the reference numerals in the figures illustrate: 110. a telescopic rod; 111. a slide rail groove; 112. slide rail teeth; 113. a slide block; 114. a pulling member; 115. a baffle; 116. a spring; 117. a blocking piece; 118. a slide rail blocking piece; 120. a telescopic rod bracket; 130. a fixed block; 140. a connecting piece; 200. rotating the locking device; 210. a locking bolt; 220. a right arm fluted disc; 230. a left arm fluted disc; 310. a left support arm; 320. a right support arm; 410. a support block; 420. and a contact plate.

Detailed Description

Referring to fig. 1-4, the present utility model provides a technical solution:

a liver and gall operation expanding device comprises an operation expanding supporting frame; in some embodiments, the surgical dilation support frame is made entirely of stainless steel.

The operation expansion support frame comprises a hollow telescopic rod 110, the telescopic rod 110 is of a repeated structure, the whole long rod is formed by sleeving the telescopic rod 110 from small to large in diameter, the two ends of the telescopic rod 110 are sleeved with fixing blocks 130, the lower parts of the fixing blocks 130 are connected with rotating locking devices 200 in a penetrating mode, the rotating locking devices 200 are connected with left support arms 310 and right support arms 320 in a rotating mode, the whole operation expansion support frame is provided with two pairs of left support arms 310, right support arms 320 and auxiliary support block 410 and contact plate 420 structures, the left support arms 310 and the right support arms 320 are located at two ends of the telescopic rod 110 respectively, the lengths of the left support arms 310 and the right support arms 320 are different, the left support arms 310 are short, the right support arms 320 are long, accordingly, when the operation expansion support frame is used, the whole center of the support frame is offset backwards, the telescopic rod 110 is offset backwards, a larger operation space is formed above a wound, and the influence of the operation device on medical staff during operation is reduced.

Specifically, the lower ends of the left support arm 310 and the right support arm 320 are fixedly connected with a support block 410, the support block 410 is tightly welded on the left support arm 310 and the right support arm 320, a contact plate 420 is fixedly connected on the support block 410, and the contact plate 420 is made of silica gel so as to prevent the operation expansion support frame from damaging a wound;

in some embodiments, to ensure stable contact of the contact plate 420 with the patient's wound, the contact plate 420 may be configured in a circular arc or U-shape.

Further, the telescopic rod 110 is provided with a sliding rail groove 111, the sliding rail groove 111 is long, the opening positions of the sliding rail grooves 111 on each section of telescopic rod 110 are different, the bottom of the sliding rail groove 111 is fixedly provided with sliding rail teeth 112, a blocking block 117 and the sliding rail teeth 112 are matched with each other to fix the telescopic length of the telescopic rod 110, and the tail end of the sliding rail teeth 112 is provided with a sliding rail blocking block 118 to prevent the telescopic rod 110 from being excessively stretched and separated.

It is worth noting that, the integrated into one piece has sliding connection in the inside slider 113 of slide rail groove 111 of telescopic link 110 circumference inner wall, slider 113 is used for stopping telescopic link 110 excessive extension to appear separating, the pulling piece 114 has been inlayed to telescopic link 110 outer wall, baffle 115 has been cup jointed to pulling piece 114 below, the round hole has been seted up at baffle 115 center, the baffle 115 below is provided with spring 116, the spring 116 below is provided with the stop 117 that runs through in slide rail groove 111, pulling piece 114 below fixedly connected with metal column, and pass through baffle 115 and spring 116 from the center in proper order, finally weld in stop 117 upper surface, upward pulling piece 114, stop 117 can upwards displace simultaneously, when loosening pulling piece 114, spring 116 can let stop 117 reset, every section telescopic link 110 has all been inlayed and has above-mentioned fixed composite set.

It is noted that, the center of the rotation locking device 200 is provided with a locking bolt 210, a strip-shaped bump which is convenient for rotating the locking bolt 210 by hand is arranged above the locking bolt 210, a right arm fluted disc 220 is connected to the locking bolt 210 in a threaded manner, a left arm fluted disc 230 is matched with the right arm fluted disc 220 in a rotating manner, a fan-shaped tooth with central symmetry is arranged on the lower surface of the right arm fluted disc 220, a strip-shaped tooth with central symmetry is arranged on the lower surface of the left arm fluted disc 230, meanwhile, the two teeth can be meshed when the lower surface of the right arm fluted disc 220 is contacted with the lower surface of the left arm fluted disc 230, and then the locking bolt 210 is matched to block the rotation of the right arm fluted disc 220 and the left arm fluted disc 230, so that the locking bolt 210 is connected to the right arm fluted disc 320 in a threaded manner, the outer wall of the circumference of the right arm fluted disc 220 is fixedly connected with the right arm 320, and the outer wall of the circumference of the left arm fluted disc 230 is fixedly connected with the left arm 310.

Besides, the fixing block 130 is provided with a connecting piece 140 in threaded connection with the telescopic rod 110, the connecting piece 140 is in a cross shape, bolts are arranged at the four ends and the center of the cross shape, one end of the fixing block 130 close to the telescopic rod 110 is fixedly connected with the telescopic rod support 120, the circumferential outer wall of the telescopic rod 110 is welded with the telescopic rod support 120 and is welded to the rear side of the fixing block 130 from the front side surface of the telescopic rod support 120, and the telescopic rod support 120 is arranged at the two ends of the telescopic rod 110 so as to prevent the whole operation expansion support frame from deforming during support.

Working principle: when the device is required to support a wound, firstly, the lower end of the operation expansion support frame is placed into the wound, secondly, the telescopic rods 110 are pulled according to the length of the wound, each telescopic rod 110 is provided with a fixing piece for automatically fixing the length of the telescopic rod 110 to prevent the telescopic rod 110 from shrinking, then the left support arm 310 and the right support arm 320 are rotated according to the width of the wound to be supported and are propped against the side surface of the wound by the contact plate 420, and then the opening and closing sizes of the left support arm 310 and the right support arm 320 are locked by using the tightening and rotating locking device 200, so that the shrinkage of the telescopic rods 110 and the opening and closing of the left support arm 310 and the right support arm 320 can be finely adjusted; when the wound is supported, the rotary locking device 200 is unscrewed first to rotate so that the left support arm 310 and the right support arm 320 are closed, then the pulling piece 114 embedded on each section of telescopic rod 110 is pulled to separate the blocking piece 117 from the sliding rail teeth 112, at the moment, the previous section of telescopic rod 110 can be retracted, the telescopic rods 110 can be retracted section by repeating the above actions, and finally the operation expansion support frame is separated from the wound.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a liver and gall operation expansion device, includes operation expansion support frame, its characterized in that: the operation expansion support frame comprises a hollow telescopic rod (110), fixing blocks (130) are sleeved at two ends of the telescopic rod (110), a rotation locking device (200) is connected below the fixing blocks (130) in a penetrating mode, and a left support arm (310) and a right support arm (320) are connected with the rotation locking device (200) in a rotating mode.

2. A hepatobiliary surgery distending device according to claim 1, wherein: the lower ends of the left support arm (310) and the right support arm (320) are fixedly connected with a support block (410), and the support block (410) is fixedly connected with a contact plate (420).

3. A hepatobiliary surgery distending device according to claim 1, wherein: the telescopic rod (110) is provided with a sliding rail groove (111), sliding rail teeth (112) are fixedly arranged at the bottom of the sliding rail groove (111), and sliding rail blocking blocks (118) are arranged at the tail ends of the sliding rail teeth (112).

4. A hepatobiliary surgery distending device according to claim 1, wherein: the telescopic rod (110) circumference inner wall integrated into one piece has sliding connection in inside slider (113) of slide rail groove (111), telescopic rod (110) outer wall inlays and is equipped with pulling piece (114), pulling piece (114) below has cup jointed baffle (115), baffle (115) below is provided with spring (116), spring (116) below is provided with stops piece (117) that run through in slide rail groove (111).

5. A hepatobiliary surgery distending device according to claim 1, wherein: the locking device is characterized in that a locking bolt (210) is arranged at the center of the rotation locking device (200), a right arm fluted disc (220) is connected to the locking bolt (210) in a threaded mode, a left arm fluted disc (230) is matched with the right arm fluted disc (220) in a rotating mode, the left arm fluted disc (230) is connected with the locking bolt (210) in a threaded mode, a right supporting arm (320) is fixedly connected to the circumferential outer wall of the right arm fluted disc (220), and a left supporting arm (310) is fixedly connected to the circumferential outer wall of the left arm fluted disc (230).

6. A hepatobiliary surgery distending device according to claim 1, wherein: the telescopic rod is characterized in that a connecting piece (140) in threaded connection with the telescopic rod (110) is arranged on the fixed block (130), and one end, close to the telescopic rod (110), of the fixed block (130) is fixedly connected with a telescopic rod bracket (120).