Operating incision opening and fixing device for hepatobiliary surgery department

Abstract

The utility model discloses a hepatobiliary surgical incision distraction fixing device, which relates to the technical field of medical instruments and comprises a fixing block, the outer wall of the fixing block is connected with an adjusting block in a sliding manner, and the outer wall of the fixing block is connected with a positioning block in a sliding manner. When wounds of patients in the hepatobiliary surgery department are fixed through the distraction fixing device, in order to improve the multi-directional adjusting effect of the distraction fixing device on the wounds of different sizes and meet the longitudinal and transverse adjustability, the positioning blocks and the connecting blocks can be pulled through connection of the positioning rods according to the longitudinal adjusting requirements of the wounds, and the wounds of the patients in the hepatobiliary surgery department can be fixed. The positioning block and the connecting block are longitudinally adjusted along the outer walls of the fixed block and the adjusting block, and the pull block is loosened to drive the adjusting rod to slide into the inner wall of the positioning groove through the connection of the spring according to the requirement of the pulling distance, so that the positioning block and the connecting block are clamped and fixed; the effect of adjusting the wound opening and fixing device in multiple directions is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a device for opening and fixing a hepatobiliary surgical incision. Background Art

[0002] Hepatobiliary surgery mainly studies hepatocellular carcinoma, hepatobiliary stones, post-hepatitis cirrhosis and acute liver failure caused by severe hepatitis, which are major diseases that seriously threaten the health of Chinese people. China's hepatobiliary surgery, combined with the characteristics of Chinese people's hepatobiliary diseases, has formed a relatively complete theoretical and technical system in the surgical treatment of hepatocellular carcinoma, hepatobiliary stones and traumatic bile duct stenosis. When performing hepatobiliary surgery on patients, it is necessary to support the patient's wound by opening the fixation device to facilitate the doctor's treatment.

[0003] For example, the application number CN211704712U discloses a device for opening and fixing a hepatobiliary surgical incision, wherein two ends of the fixed block are respectively connected to the guide rod and the rack, and two ends of the sliding block are respectively provided with guide holes and channels, the guide rod is arranged in the guide hole, and the rack is arranged in the channel, and the ends of the guide rod and the rack away from the connection and fixing block both pass through the sliding block and are connected to the connection and fixing plate, and the outer surface of the sliding block is fixedly provided with limit blocks at positions on both sides of the channel, and the sliding block is movably connected to the limit blocks. A plurality of guide columns are also arranged on the outer surface of the sliding block, and the pressure plate is movably connected to the guide column. A spring is arranged on the outside of the guide column, and two ends of the pressure plate are respectively movably connected to the sliding block through a connecting rod, and hooks are arranged on both sides of the lower surface of the fixed block and the sliding block. The utility model has a reasonable structure, does not require continuous manual operation, reduces labor, and leaves more space for the surgeon to operate.

[0004] However, although this hepatobiliary surgical incision expansion and fixing device can effectively support the patient's wound when in use, it can only adjust and support the wound horizontally when supporting the wound. The convenience of multi-directional longitudinal and lateral adjustment support for the wound is not high. Moreover, when supporting the wound, the skin limitation at the wound support site is not high, which can easily cause the skin to retract, reducing the stability of the patient's wound support.

[0005] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a hepatobiliary surgical incision distraction and fixation device is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a hepatobiliary surgical incision expansion and fixing device to solve the problems raised in the above-mentioned background technology that the multi-directional longitudinal and transverse adjustable support for the wound is not convenient and the skin limiting property at the wound support is not high.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hepatobiliary surgical incision propping and fixing device, comprising a fixing block, the outer wall of the fixing block is slidably connected to an adjusting block, the outer wall of the fixing block is slidably connected to a positioning block, the outer wall of the positioning block is slidably connected to a connecting block, the outer wall of the adjusting block is fixedly connected to a telescopic rod slidably connected to an inner wall of the fixing block, the outer wall of the fixing block is provided with a nut, the inner wall of the nut is threadedly connected to a bolt slidably connected to the outer wall of the telescopic rod, an adjusting groove is provided at a connecting portion of the outer wall of the telescopic rod and the bolt, the outer wall of the connecting block is fixedly connected to a positioning rod slidably connected to the inner wall of the adjusting block, the outer wall of the adjusting block is slidably connected to an adjusting rod slidably connected to the outer wall of the positioning rod, the outer wall of the adjusting rod is sleeved with a spring fixedly connected to the outer wall of the adjusting block, one end of the spring is fixedly connected to a pulling block fixedly connected to one end of the adjusting rod, and a positioning groove is provided at a connecting portion of the outer wall of the positioning rod and the adjusting rod.

[0008] Furthermore, the outer wall of the adjusting block is fixedly connected with a supporting block.

[0009] Furthermore, a connecting groove is provided at a connecting portion between the inner wall of the fixing block and the telescopic rod, and a mounting groove is provided at a connecting portion between the inner wall of the fixing block and the positioning block.

[0010] Furthermore, a telescopic groove is provided at a connection position between the inner wall of the positioning block and the connection block, and a sliding groove is provided at a connection position between the inner wall of the adjustment block and the connection block.

[0011] Furthermore, the adjustment groove is formed in a straight line shape and is opened on the surface of the telescopic rod.

[0012] Furthermore, the positioning groove is formed in a straight line shape and is opened on the surface of the positioning rod.

[0013] Furthermore, the support blocks are all fixedly connected to the outer walls of the fixing block, the adjusting block, the positioning block and the connecting block.

[0014] Furthermore, the outer wall contour of the support block is in an arc shape, and the support blocks are symmetrically arranged on both sides of the fixed block, and the outer wall contour of the connection part between the two groups of support blocks and the fixed block is in an inverted "eight" shape.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The positioning rod of the utility model is set up. When the wound of a hepatobiliary surgery patient is fixed by the expansion and fixing device, in order to improve the multi-directional adjustment effect of the expansion and fixing device on wounds of different sizes and meet the longitudinal and lateral adjustability, according to the longitudinal adjustment needs of the wound, the positioning block and the connecting block can be pulled by the connection of the positioning rod, so that the positioning block and the connecting block can be longitudinally adjusted along the outer wall of the fixing block and the adjusting block, and according to the need of the pulling distance, the connection of the pulling block through the spring is loosened to drive the adjusting rod to slide into the inner wall of the positioning groove, so as to play the role of clamping and fixing the positioning block and the connecting block, so as to achieve the effect of multi-directional adjustment of the wound expansion and fixing device;

[0017] 2. The utility model provides a support block. When a hepatobiliary surgery patient is undergoing surgical treatment with a wound expansion and fixation device, in order to improve the positioning effect of the expansion and fixation device on the wound and prevent the skin at the wound site from automatically returning to its original position, the support block is arc-shaped and elastic, so that the support block can be embedded in the skin area of ​​the wound, thereby achieving the effect of effectively supporting and positioning the wound skin. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the fixing device;

[0019] Figure 2 is a schematic diagram of the three-dimensional structure of the fixing device in another direction;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the bolt and the adjustment groove;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning rod and the positioning groove in connection with each other;

[0022] Figure 5 A schematic diagram of the three-dimensional structure showing the distribution of support block positions.

[0023] In the figure: 1. fixing block; 11. adjusting block; 12. positioning block; 13. connecting block; 14. telescopic rod; 15. nut; 16. bolt; 17. adjusting slot; 2. positioning rod; 21. adjusting rod; 22. spring; 23. pulling block; 24. positioning slot; 3. supporting block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1: Figure 1-Figure 4 As shown, a hepatobiliary surgical incision expansion and fixing device comprises a fixing block 1, an outer wall of the fixing block 1 is slidably connected with an adjusting block 11, an outer wall of the fixing block 1 is slidably connected with a positioning block 12, an outer wall of the positioning block 12 is slidably connected with a connecting block 13, an outer wall of the adjusting block 11 is fixedly connected with a telescopic rod 14 slidably connected to the inner wall of the fixing block 1, an outer wall of the fixing block 1 is provided with a nut 15, an inner wall of the nut 15 is threadedly connected with a bolt 16 slidably connected to the outer wall of the telescopic rod 14, an adjusting groove 17 is provided at a connection position between the outer wall of the telescopic rod 14 and the bolt 16, an outer wall of the connecting block 13 is fixedly connected with a positioning rod 2 slidably connected to the inner wall of the adjusting block 11, an outer wall of the adjusting block 11 is slidably connected with an adjusting rod 21 slidably connected to the outer wall of the positioning rod 2, an outer wall of the adjusting rod 21 is sleeved with a spring 22 fixedly connected to the outer wall of the adjusting block 11, one end of the spring 22 is fixedly connected with a pulling block 23 fixedly connected to one end of the adjusting rod 21, and a positioning groove 24 is provided at a connection position between the outer wall of the positioning rod 2 and the adjusting rod 21.

[0026] Furthermore, a connecting groove is provided at the connecting portion between the inner wall of the fixed block 1 and the telescopic rod 14, and an installation groove is provided at the connecting portion between the inner wall of the fixed block 1 and the positioning block 12, which is beneficial for lateral adjustment of the propping device through the opening of the connecting groove and the installation groove.

[0027] Furthermore, a telescopic groove is provided at the connection position between the inner wall of the positioning block 12 and the connecting block 13, and a sliding groove is provided at the connection position between the inner wall of the adjustment block 11 and the connecting block 13, which is beneficial for longitudinal adjustment of the propping device through the opening of the telescopic groove and the sliding groove.

[0028] Furthermore, the adjusting groove 17 is formed in a straight line on the surface of the telescopic rod 14 , which is beneficial for adjusting the spreading device in multiple lateral positions.

[0029] Furthermore, the positioning groove 24 is opened in the shape of an "I" on the surface of the positioning rod 2, which is conducive to the adjustment groove 17 opened in the shape of an "I" on the surface of the telescopic rod 14, so as to play a role in longitudinal multi-position adjustment of the expansion device, thereby achieving the effect of multi-directional adjustment of the wound expansion and fixing device.

[0030] Embodiment 2: Figure 1 , Figure 2 and Figure 5As shown, the utility model proposes a hepatobiliary surgical incision expansion and fixing device. Compared with the first embodiment, as another implementation of the utility model, the outer wall of the adjustment block 11 is fixedly connected with the support block 3. When working, by setting the support block 3, it is beneficial to improve the positioning effect of the expansion and fixing device on the wound expansion when performing surgical treatment on hepatobiliary surgical patients through the wound expansion and fixing device, and prevent the skin at the wound site from automatically returning to its original position. The arc-shaped and elastic support block 3 can be embedded in the skin area of ​​the wound, so as to achieve the effect of effectively supporting and positioning the skin of the wound.

[0031] Furthermore, the support blocks 3 are fixedly connected to the outer walls of the fixed block 1, the adjustment block 11, the positioning block 12 and the connecting block 13, which is beneficial for effectively positioning both sides of the wound through the arrangement that the support blocks 3 are fixedly connected to the outer walls of the fixed block 1, the adjustment block 11, the positioning block 12 and the connecting block 13.

[0032] Furthermore, the outer wall contour of the support block 3 is in an arc shape, and the support blocks 3 are symmetrically arranged on both sides of the fixed block 1, and the outer wall contour of the connection part between the two groups of support blocks 3 and the fixed block 1 is in an inverted "eight" shape, which is beneficial to achieve the effect of effectively supporting and positioning the wound skin through the arc-shaped setting of the outer wall contour of the support block 3.

[0033] Working principle: When using this hepatobiliary surgical incision stretching and fixing device, first, when the wound of a hepatobiliary surgical patient is fixed by the stretching and fixing device, in order to improve the multi-directional adjustment effect of the stretching and fixing device on wounds of different sizes and meet the longitudinal and lateral adjustability, according to the longitudinal adjustment needs of the wound, the positioning block 12 and the connecting block 13 can be pulled through the connection of the positioning rod 2, so that the positioning block 12 and the connecting block 13 can be longitudinally adjusted along the outer walls of the fixing block 1 and the adjusting block 11, and according to the needs of the pulling distance, the connection of the pulling block 23 through the spring 22 is loosened to drive the adjusting rod 21 to slide into the inner wall of the positioning groove 24, so as to play the role of engaging and fixing the positioning block 12 and the connecting block 13, thereby achieving the effect of multi-directional adjustment of the wound stretching and fixing device.

[0034] Finally, when performing surgical treatment on hepatobiliary surgery patients using a wound expansion and fixation device, in order to improve the positioning effect of the expansion and fixation device on the wound expansion and prevent the skin at the wound site from automatically returning to its original position, an arc-shaped and elastic support block 3 is provided so that the support block 3 can be embedded in the skin area of ​​the wound, thereby achieving the effect of effectively supporting and positioning the skin of the wound.

[0035] This is the working principle of this hepatobiliary surgical incision distraction and fixation device.

[0036] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A hepatobiliary surgical incision expansion and fixing device, comprising a fixing block (1), characterized in that: The outer wall of the fixed block (1) is slidably connected to an adjusting block (11), the outer wall of the fixed block (1) is slidably connected to a positioning block (12), the outer wall of the positioning block (12) is slidably connected to a connecting block (13), the outer wall of the adjusting block (11) is fixedly connected to a telescopic rod (14) slidably connected to the inner wall of the fixed block (1), the outer wall of the fixed block (1) is provided with a nut (15), the inner wall of the nut (15) is threadedly connected to a bolt (16) slidably connected to the outer wall of the telescopic rod (14), and a connection portion between the outer wall of the telescopic rod (14) and the bolt (16) is provided An adjusting groove (17) is provided, the outer wall of the connecting block (13) is fixedly connected with a positioning rod (2) slidably connected to the inner wall of the adjusting block (11), the outer wall of the adjusting block (11) is slidably connected with an adjusting rod (21) slidably connected to the outer wall of the positioning rod (2), the outer wall of the adjusting rod (21) is sleeved with a spring (22) fixedly connected to the outer wall of the adjusting block (11), one end of the spring (22) is fixedly connected with a pulling block (23) fixedly connected to one end of the adjusting rod (21), and a positioning groove (24) is provided at the connection portion between the outer wall of the positioning rod (2) and the adjusting rod (21).

2. A hepatobiliary surgical incision expansion and fixing device according to claim 1, characterized in that: The outer wall of the adjustment block (11) is fixedly connected to a support block (3).

3. A hepatobiliary surgical incision expansion and fixing device according to claim 1, characterized in that: A connection groove is provided at a connection position between the inner wall of the fixing block (1) and the telescopic rod (14), and a mounting groove is provided at a connection position between the inner wall of the fixing block (1) and the positioning block (12).

4. A hepatobiliary surgical incision expansion and fixing device according to claim 1, characterized in that: A telescopic groove is provided at a connection position between the inner wall of the positioning block (12) and the connection block (13), and a sliding groove is provided at a connection position between the inner wall of the adjustment block (11) and the connection block (13).

5. The hepatobiliary surgical incision expansion and fixing device according to claim 1, characterized in that: The adjustment groove (17) is arranged in a straight line shape on the surface of the telescopic rod (14).

6. A hepatobiliary surgical incision expansion and fixing device according to claim 1, characterized in that: The positioning groove (24) is formed in a straight line and is arranged on the surface of the positioning rod (2).

7. A hepatobiliary surgical incision expansion and fixing device according to claim 2, characterized in that: The support blocks (3) are all fixedly connected to the outer walls of the fixed block (1), the adjustment block (11), the positioning block (12) and the connection block (13).

8. The hepatobiliary surgical incision expansion and fixing device according to claim 2, characterized in that: The outer wall profile of the support block (3) is in an arc shape, and the support blocks (3) are symmetrically arranged on both sides of the fixed block (1), and the outer wall profile of the connection part between the two groups of support blocks (3) and the fixed block (1) is in an inverted "eight" shape.

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