Expansion frame for anorectal surgery

Abstract

An anorectal surgical operation expansion frame comprises an inner telescopic tube, a pull rod, a circular side plate, an outer expansion tube, a conical baffle, a U-shaped positioning sleeve, an inclined handle rod, an arc-shaped fixing plate, a limiting clamping block, a control rod and a guide sliding rod, the inner telescopic tube is matched with the outer expansion tube, the inner telescopic tube is inserted into the outer expansion tube, the inner telescopic tube slides in the outer expansion tube, and the conical baffle is arranged on the outer expansion tube. A V-shaped limiting groove is formed in the lower portion of the inner telescopic pipe, a V-shaped limiting strip is arranged in the outer expansion pipe, the V-shaped limiting strip is matched with the V-shaped limiting groove, the V-shaped limiting strip is inserted into the V-shaped limiting groove, the V-shaped limiting strip slides in the V-shaped limiting groove, the pull rods are connected with the inner telescopic pipe and symmetrically arranged on the side face of the inner telescopic pipe, and the U-shaped positioning sleeve is connected with the outer expansion pipe. The U-shaped positioning sleeve is provided with a U-shaped positioning sleeve inner groove, the pull rod is matched with the U-shaped positioning sleeve inner groove, the pull rod is inserted into the U-shaped positioning sleeve inner groove, the pull rod slides in the U-shaped positioning sleeve inner groove, the pull rod is connected with the circular side plate, and a handle is arranged on the side face of the circular side plate.

Description

Technical Field

[0001] The utility model relates to the field of anorectal surgery, in particular to an anorectal surgery expansion rack. Background Art

[0002] The existing patent (Announcement No.: CN220089538U) proposes an anorectal surgical expansion rack, including a fixing ring, a plurality of grooves are symmetrically arranged in the fixing ring, a spring is arranged in each groove, each spring is connected to a T-shaped connecting strip, each connecting strip is locked with the corresponding groove, an arc-shaped support wing is arranged under each connecting strip, a support membrane is connected between every two adjacent support wings, a fixing column is arranged on each connecting strip, and a first fixing plate is passed through each fixing column. An arc-shaped support wing is adhered to the bottom of each connecting strip of this device, and the support wing can provide vertical support. However, the length of the support wing is fixed, and the supporting length in the intestine is limited, which makes the surgical operation inconvenient when the surgical instrument is inserted for a long length. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides an anorectal surgical expansion rack in which an inner telescopic tube slides inside an outer expansion tube so that the inner telescopic tube can extend out of the outer expansion tube to lengthen the outer expansion tube, thereby lengthening the supporting length for the intestinal wall during surgery and facilitating surgical operations.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] The invention discloses an anorectal surgical expansion frame, comprising an inner telescopic tube, a pull rod, a circular side plate, an outer expansion tube, a conical baffle, a U-shaped positioning sleeve, an inclined handle, an arc-shaped fixing plate, a limit block, a control rod, and a guide slide rod. The inner telescopic tube is adapted to the outer expansion tube, the inner telescopic tube is inserted into the outer expansion tube, the inner telescopic tube slides in the outer expansion tube, the lower part of the inner telescopic tube is provided with a V-shaped limit groove, the inner part of the outer expansion tube is provided with a V-shaped limit strip, the V-shaped limit strip is adapted to the V-shaped limit groove, the V-shaped limit strip is inserted into the V-shaped limit groove, the V-shaped limit strip slides in the V-shaped limit groove, the pull rod is connected to the inner telescopic tube, the pull rod is symmetrically arranged on the side of the inner telescopic tube, the U-shaped positioning sleeve is connected to the outer expansion tube, the U-shaped positioning sleeve has an inner groove of the U-shaped positioning sleeve, the pull rod is adapted to the inner groove of the U-shaped positioning sleeve, the pull rod is inserted into the inner groove of the U-shaped positioning sleeve, the pull rod slides in the inner groove of the U-shaped positioning sleeve, the pull rod is connected to the circular side plate, and the side of the circular side plate is provided with a handle.

[0006] The outer expansion tube has a conical baffle, the outer expansion tube has a rectangular give way hole, the lower part of the outer expansion tube is connected to the inclined handle, the arc fixing plate is adapted to the outer expansion tube, the arc fixing plate is inserted into the outer expansion tube, the upper part of the arc fixing plate is connected to the outer expansion tube, the arc fixing plate has an arc hole No. 1, the control rod is adapted to the arc hole No. 1, the control rod passes through the arc hole No. 1, and the control rod slides in the arc hole No. 1.

[0007] The lower part of the control rod is connected to a limit block, and a group of control rods are symmetrically arranged inside the arc-shaped fixed plate. The inside of the pull rod has multiple pull rod side grooves, the limit block is adapted to the pull rod side grooves, the limit block is inserted into the pull rod side grooves, the outer expansion tube has a No. 2 arc hole, the control rod is adapted to the No. 2 arc hole, the control rod passes through the No. 2 arc hole, and the control rod slides in the No. 2 arc hole. Beneficial Effects

[0008] 1. The inner telescopic tube of the utility model is inserted into the outer expansion tube. Both the outer expansion tube and the inner telescopic tube are made of transparent materials, which facilitates the surgical probe inserted therein to better observe the intestinal wall and more clearly examine the lesions in the intestinal wall. The inner telescopic tube slides in the outer expansion tube so that the inner telescopic tube can extend out of the outer expansion tube to lengthen the outer expansion tube, thereby lengthening the supporting length for the intestinal wall during surgery and facilitating the operation. The V-shaped limit strip is inserted into the V-shaped limit groove, and the V-shaped limit strip axially positions the inner telescopic tube, thereby preventing the inner telescopic tube from rotating in the outer expansion tube during anorectal surgical dilation. The outer expansion tube has There is a conical baffle, which rests against the patient's anus to prevent the entire device from being unable to control the depth of entry into the intestine during anorectal surgical dilation, making the device difficult to remove. The pull rod is connected to the inner telescopic tube, and the pull rod is connected to the circular side plate. The movement of the pull rod is controlled by pulling the handle, so that the inner telescopic tube can be telescoped in the outer expansion tube. The U-shaped positioning sleeve positions the pull rod to prevent the pull rod from shaking when pushing and pulling during anorectal surgical dilation. The outer expansion tube has a rectangular clearance hole, and surgical instruments can enter the outer expansion tube and the inner telescopic tube from the rectangular clearance hole and extend from the inner telescopic tube to perform surgical operations on the intestine.

[0009] 2. In the use of the hand-held tilt handle control device of the utility model, the arc-shaped fixing plate is fixed inside the outer expansion tube, and the control rod passes through the No. 1 arc-shaped hole and the No. 2 arc-shaped hole in sequence, so that the movement of the control rod can be controlled on the outside of the outer expansion tube, and the arc-shaped limit plate fits with the outer expansion tube to prevent the control rod from sliding downward during anorectal surgical expansion. The two ends of the guide slide bar are connected to the side plates of the arc-shaped fixing plate, and the control rod is vertically positioned by the cooperation of the guide slide bar and the arc-shaped limit plate, so that the height of the limit block in the outer expansion tube is fixed, and the two ends of the spring are against the side plates of the control rod, and the spring applies thrust to the symmetrical control rod, so that the control rod drives the limit block to insert into the side groove of the pull rod, and the symmetrical limit block positions the pull rod, thereby fixing the telescopic length of the inner telescopic tube in the outer expansion tube, and preventing the inner telescopic tube from retracting under the pressure of the intestinal wall during anorectal surgical expansion. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a front axonometric view of an anorectal surgical expansion rack described in the utility model.

[0011] Figure 2 This is a rear axonometric view of an anorectal surgical expansion rack described in the utility model.

[0012] Figure 3 This is a first cross-sectional view of an anorectal surgical expansion rack according to the utility model.

[0013] Figure 4 This is a second cross-sectional view of the anorectal surgical expansion rack described in the utility model.

[0014] Figure 5 This is an axonometric view of the inner telescopic tube and the pull rod described in the utility model.

[0015] Figure 6 This is an axonometric view of the outer expansion tube described in the utility model.

[0016] Figure 7 It is a cross-sectional view of the inner telescopic tube and the outer expansion tube described in the utility model.

[0017] Figure 8 This is an axonometric view of the arc-shaped fixing plate, the limit clamping block and the control rod described in the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0019] Embodiment 1:

[0020] An anorectal surgical expansion rack includes an inner telescopic tube 01, a pull rod 02, a circular side plate 04, an outer expansion tube 06, a conical baffle 07, a U-shaped positioning sleeve 09, an inclined handle 13, an arc-shaped fixing plate 14, a limit block 16, a control rod 17, and a guide slide 19. The inner telescopic tube 01 is adapted to the outer expansion tube 06, and the inner telescopic tube 01 is inserted into the outer expansion tube 06. The outer expansion tube 06 and the inner telescopic tube 01 are both made of transparent materials, which is convenient for the hand to be inserted into them. The surgical probe can better observe the intestinal wall and more clearly examine the lesions in the intestinal wall. The inner telescopic tube 01 slides in the outer expansion tube 06, so that the inner telescopic tube 01 can extend out of the outer expansion tube 06 to lengthen the outer expansion tube 06, so that the supporting length of the intestinal wall can be lengthened during the operation, which is convenient for the operation. The lower part of the inner telescopic tube 01 has a V-shaped limiting groove 12, and the inner part of the outer expansion tube 06 has a V-shaped limiting strip 11, and the V-shaped limiting strip 11 is adapted to the V-shaped limiting groove 12. The V-shaped limit strip 11 is inserted into the V-shaped limit groove 12, and the V-shaped limit strip 11 slides in the V-shaped limit groove 12. The V-shaped limit strip 11 axially positions the inner telescopic tube 01 to prevent the inner telescopic tube 01 from rotating in the outer expansion tube 06 during anorectal surgical expansion. The pull rod 02 is connected to the inner telescopic tube 01, and the pull rod 02 is symmetrically arranged on the side of the inner telescopic tube 01. The U-shaped positioning sleeve 09 is connected to the outer expansion tube 06, and the U-shaped positioning sleeve 09 has a U-shaped positioning sleeve inner groove 10. The pull rod 02 is connected to the outer expansion tube 06. 2 is adapted to the inner groove 10 of the U-shaped positioning sleeve, the pull rod 02 is inserted into the inner groove 10 of the U-shaped positioning sleeve, the pull rod 02 slides in the inner groove 10 of the U-shaped positioning sleeve, the U-shaped positioning sleeve 09 positions the pull rod 02, and prevents the pull rod 02 from shaking when pushing and pulling during anorectal surgical expansion. The pull rod 02 is connected to the circular side plate 04, and the side of the circular side plate 04 has a handle 05. The movement of the pull rod 02 is controlled by pulling the handle 05, so that the inner telescopic tube 01 can be telescoped in the outer expansion tube 06.

[0021] Embodiment 2:

[0022] The outer expansion tube 06 of the utility model has a conical baffle 07, which is against the patient's anus to prevent the entire device from being unable to control the depth of entry into the intestine during anorectal surgical expansion, making the device difficult to remove. The outer expansion tube 06 has a rectangular clearance hole 08, and surgical instruments can enter the outer expansion tube 06 and the inner telescopic tube 01 from the rectangular clearance hole 08 and extend from the inner telescopic tube 01 to perform surgical operations on the intestine. The lower part of the outer expansion tube 06 is connected to the tilting handle 13, and the tilting handle 13 is held by hand to control the use of the device. The arc fixing plate 14 is adapted to the outer expansion tube 06, the arc fixing plate 14 is inserted into the outer expansion tube 06, the upper part of the arc fixing plate 14 is connected to the outer expansion tube 06, and the arc fixing plate 14 is fixed inside the outer expansion tube 06. The arc fixing plate 14 has a No. 1 arc hole 21, and the control rod 17 is adapted to the No. 1 arc hole 21. The control rod 17 passes through the No. 1 arc hole 21 and slides in the No. 1 arc hole 21.

[0023] Embodiment 3:

[0024] The lower part of the control rod 17 described in the utility model is connected to the limit block 16, and a group of control rods 17 are symmetrically arranged inside the arc-shaped fixed plate 14. The inside of the pull rod 02 has multiple pull rod side grooves 03, the limit block 16 is adapted to the pull rod side grooves 03, the limit block 16 is inserted into the pull rod side grooves 03, the outer expansion tube 06 has a No. 2 arc hole 23, the control rod 17 is adapted to the No. 2 arc hole 23, the control rod 17 passes through the No. 2 arc hole 23, the control rod 17 slides in the No. 2 arc hole 23, the control rod 17 passes through the No. 1 arc hole 21 and the No. 2 arc hole 23 in turn, so that the movement of the control rod 17 can be controlled on the outside of the outer expansion tube 06.

[0025] Embodiment 4:

[0026] The upper part of the control rod 17 of the utility model is connected to the arc-shaped limit plate 22, and the lower surface of the arc-shaped limit plate 22 is in contact with the outer expansion tube 06, so as to prevent the control rod 17 from sliding downward during the expansion of the anorectal surgery. The control rod 17 has a control rod side plate 18, and the guide slide bar 19 passes through the control rod 17. The two ends of the arc-shaped fixed plate 14 have arc-shaped fixed plate side plates 15, and the two ends of the guide slide bar 19 are connected to the arc-shaped fixed plate side plates 15. The guide slide bar 19 cooperates with the arc-shaped limit plate 22 to vertically fix the control rod 17. The spring 20 is sleeved on the guide slide bar 19, and both ends of the spring 20 are against the side plates 18 of the control rod. The spring 20 applies a thrust to the symmetrical control rod 17, so that the control rod 17 drives the limit block 16 to insert into the side groove 03 of the pull rod. The symmetrical limit block 16 positions the pull rod 02, and then fixes the telescopic length of the inner telescopic tube 01 in the outer expansion tube 06, preventing the inner telescopic tube 01 from retracting under the pressure of the intestinal wall during anorectal surgical expansion.

[0027] Embodiment 5:

[0028] The utility model installation steps are as follows: first connect the pull rod 02 to the inner telescopic tube 01, insert the inner telescopic tube 01 into the outer expansion tube 06, insert the pull rod 02 into the inner groove 10 of the U-shaped positioning sleeve, connect the U-shaped positioning sleeve 09 to the outer expansion tube 06, connect the upper part of the arc-shaped fixing plate 14 to the outer expansion tube 06, put the spring 20 on the guide slide bar 19, connect the lower part of the control rod 17 to the limiting block 16, pass the two ends of the guide slide bar 19 through the symmetrical control rods 17, pass the upper part of the control rod 17 through the No. 1 arc hole 21 and the No. 2 arc hole 23, connect the arc limiting plate 22 to the control rod 17, connect the two ends of the guide slide bar 19 to the arc-shaped fixing plate side plates 15, connect the pull rod 02 to the circular side plates 04, and connect the lower part of the outer expansion tube 06 to the tilting handle 13.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. An anorectal surgical expansion rack, characterized in that : It comprises an inner telescopic tube (01), a pull rod (02), a circular side plate (04), an outer expansion tube (06), a conical baffle (07), a U-shaped positioning sleeve (09), an inclined handle (13), an arc-shaped fixing plate (14), a limit block (16), a control rod (17), and a guide slide rod (19). The inner telescopic tube (01) is adapted to the outer expansion tube (06). The inner telescopic tube (01) is inserted into the outer expansion tube (06). The inner telescopic tube (01) slides inside the outer expansion tube (06). The lower part of the inner telescopic tube (01) has a V-shaped limit groove (12). The inner part of the outer expansion tube (06) has a V-shaped limit strip (11). The V-shaped limit strip (11) is aligned with the V-shaped limit groove (12). Adaptation, the V-shaped limit strip (11) is inserted into the V-shaped limit groove (12), the V-shaped limit strip (11) slides in the V-shaped limit groove (12), the pull rod (02) is connected to the inner telescopic tube (01), the pull rod (02) is symmetrically arranged on the side of the inner telescopic tube (01), the U-shaped positioning sleeve (09) is connected to the outer expansion tube (06), the U-shaped positioning sleeve (09) has a U-shaped positioning sleeve inner groove (10), the pull rod (02) is adapted to the U-shaped positioning sleeve inner groove (10), the pull rod (02) is inserted into the U-shaped positioning sleeve inner groove (10), the pull rod (02) slides in the U-shaped positioning sleeve inner groove (10), the pull rod (02) is connected to the circular side plate (04), and the circular side plate (04) has a handle (05) on the side.

2. The anorectal surgery expansion rack according to claim 1, characterized in that The outer expansion tube (06) has a conical baffle (07), the outer expansion tube (06) has a rectangular clearance hole (08), the lower part of the outer expansion tube (06) is connected to the inclined handle (13), the arc-shaped fixing plate (14) is adapted to the outer expansion tube (06), the arc-shaped fixing plate (14) is inserted into the outer expansion tube (06), the upper part of the arc-shaped fixing plate (14) is connected to the outer expansion tube (06), the arc-shaped fixing plate (14) has a first arc-shaped hole (21), the control rod (17) is adapted to the first arc-shaped hole (21), the control rod (17) passes through the first arc-shaped hole (21), and the control rod (17) slides in the first arc-shaped hole (21).

3. The anorectal surgery expansion rack according to claim 2, characterized in that The lower part of the control rod (17) is connected to the limit block (16), a group of control rods (17) are symmetrically arranged inside the arc-shaped fixed plate (14), the pull rod (02) has a plurality of pull rod side grooves (03), the limit block (16) is adapted to the pull rod side grooves (03), the limit block (16) is inserted into the pull rod side grooves (03), the outer expansion tube (06) has a second arc-shaped hole (23), the control rod (17) is adapted to the second arc-shaped hole (23), the control rod (17) passes through the second arc-shaped hole (23), and the control rod (17) slides in the second arc-shaped hole (23).

4. The anorectal surgery expansion rack according to claim 3, characterized in that The control rod (17) is connected to the arc-shaped limit plate (22) at the upper part, and the lower surface of the arc-shaped limit plate (22) is in contact with the outer expansion tube (06). The control rod (17) has a control rod side plate (18), and the guide slide rod (19) passes through the control rod (17). Both ends of the arc-shaped fixed plate (14) have arc-shaped fixed plate side plates (15); both ends of the guide slide rod (19) are connected to the arc-shaped fixed plate side plates (15), and the spring (20) is sleeved on the guide slide rod (19), and both ends of the spring (20) are against the control rod side plates (18).

Images