Expander and pull hook structure

Abstract

The utility model relates to the technical field of medical instruments, in particular to a dilator and a pull hook structure. The pull hook structure comprises a lower blade and a hook body, the hook body is fixedly connected with the lower blade, the hook body is perpendicular to the lower blade, the expander comprises the pull hook structure, an upper blade, an adjusting rod and two sets of fixing modules, the upper blade is provided with a rectangular hole, the lower blade is provided with a fixing hole, an embedding groove, a rotating groove and a fixing groove, and the rotating groove is communicated with the fixing hole, the embedding groove and the fixing groove. One end of the adjusting rod is embedded into the fixing hole, the other end of the adjusting rod penetrates through the rectangular hole, the upper blade is further provided with two installation grooves, the two sets of fixing modules are connected with the upper blade respectively and matched with the corresponding installation grooves, and through the structure, the effects that one device has two purposes and cost is saved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an expander and a hook structure. Background Art

[0002] Vaginal dilator is a surgical instrument used in obstetrics and gynecology to dilate the vagina and perform examination and treatment of the vagina, cervix and uterine cavity.

[0003] In the prior art, a vaginal dilator is disclosed in a patent application with application number CN201691898U. The upper and lower leaves can be easily inserted into the vagina, and the angle between the upper and lower leaves can be adjusted by an adjustment rod to facilitate subsequent examinations and operations by medical staff.

[0004] In the above structure, the upper leaf and the lower leaf are rotatably connected and are not disassembled. Currently, in clinical surgery, the vagina is often dilated and wound sutures are often used. In particular, when the vaginal laceration is extended, the wound is not easy to expose and is not convenient to suture. A vaginal retractor is used to fully expose the wound sutures. The use of two instruments, the dilator and the retractor, is costly. If a dual-purpose instrument is used clinically, it can save suture time, reduce wound exposure time, reduce the occurrence of infection, and save costs. Therefore, it is very necessary to propose a dual-purpose dilator and retractor structure. Utility Model Content

[0005] The utility model aims to provide a dilator and a hook structure, which can achieve dual purposes and save costs.

[0006] To achieve the above purpose, the utility model adopts a hook structure, which includes a lower leaf and a hook body, wherein the hook body is fixedly connected to the lower leaf, and the hook body and the lower leaf are vertically arranged.

[0007] The utility model also provides an expander, including the hook structure, an upper leaf, an adjustment rod and two groups of fixing modules, the upper leaf has a rectangular hole, the lower leaf has a fixing hole, an embedding groove, a rotating groove and a fixing groove, and the rotating groove is respectively connected with the fixing hole, the embedding groove and the fixing groove, one end of the adjustment rod is embedded in the fixing hole, and the other end of the adjustment rod passes through the rectangular hole, the upper leaf also has two mounting grooves, and the two groups of fixing modules are respectively connected to the upper leaf and adapted to the corresponding mounting grooves.

[0008] Among them, the adjusting rod includes a rotating ring, a mosaic block, a fixed column and an adjusting column, the rotating ring is detachably connected to the lower leaf, the mosaic block is fixedly connected to the rotating ring and is located on the outer side wall of the rotating ring, and the mosaic block is respectively adapted to the embedding groove and the fixed groove, one end of the adjusting column is rotatably connected to the fixed column, and the other end of the adjusting column passes through the rectangular hole.

[0009] Wherein, the adjusting rod further includes a plurality of tooth blocks, and the plurality of tooth blocks are respectively fixedly connected to the adjusting column and are all located on the outer side wall of the adjusting column.

[0010] Wherein, the fixing module includes a pull ring, a supporting spring and a supporting column, the lower leaf has an installation cavity, the supporting spring is arranged in the installation groove, one end of the supporting spring is fixedly connected to the pull ring, and the supporting column is fixedly connected to the other end of the supporting spring and is adapted to the installation cavity.

[0011] Wherein, the fixing module further comprises a sliding rod, and two ends of the sliding rod are respectively fixedly connected to the pull ring and the supporting column.

[0012] The utility model provides a dilator and hook structure, wherein the hook body is vertically arranged with the lower leaf. When performing vaginal dilation, the upper leaf and the lower leaf are inserted into the vagina, and the angle between the upper leaf and the lower leaf is adjusted by the adjusting rod, so that subsequent medical personnel can perform inspections and surgical operations. At this time, the hook body is used for hand-holding by medical personnel; when exposing a wound, the upper leaf and the lower leaf are separated by the fixing module, and the adjusting rod is taken out, and the lower leaf is used for operation. At this time, the hook body is used for hand-holding by medical personnel, so that one device can be used for two purposes and the cost-saving effect is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the expander of the utility model.

[0015] Figure 2 It is a structural front view of the expander of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line structural section view.

[0017] Figure 4 The utility model Figure 2 BB line structural cross-sectional view.

[0018] 101-lower leaf, 102-hook body, 103-upper leaf, 104-fixing hole, 105-embedded groove, 106-rotating groove, 107-fixing groove, 108-rectangular hole, 109-installation groove, 110-installation cavity, 201-rotating ring, 202-engaging block, 203-fixed column, 204-adjusting column, 205-tooth block, 301-pull ring, 302-holding spring, 303-holding column, 304-sliding rod. DETAILED DESCRIPTION

[0019] See also Figure 1 to Figure 4 ,in Figure 1 is a schematic diagram of the expander structure. Figure 2 This is the front view of the expander structure. Figure 3 yes Figure 2 AA line structural section view, Figure 4 yes Figure 2 BB line structural cross-sectional view.

[0020] The utility model provides a hook structure, comprising a lower leaf 101 and a hook body 102 , wherein the hook body 102 is fixedly connected to the lower leaf 101 , and the hook body 102 and the lower leaf 101 are vertically arranged.

[0021] In this embodiment, the hook body 102 is vertically arranged with the lower leaf 101. When performing vaginal dilation, the lower leaf 101 is used for operation, and the hook body 102 is used for hand-held by medical personnel; when exposing a wound, the lower leaf 101 is used for operation, and the hook body 102 is used for hand-held by medical personnel.

[0022] The utility model also provides an expander, including a hook structure, an upper leaf 103, an adjusting rod and two groups of fixing modules, the upper leaf 103 has a rectangular hole 108, the lower leaf 101 has a fixing hole 104, an embedding groove 105, a rotating groove 106 and a fixing groove 107, and the rotating groove 106 is respectively connected to the fixing hole 104, the embedding groove 105 and the fixing groove 107, one end of the adjusting rod is embedded in the fixing hole 104, and the other end of the adjusting rod passes through the rectangular hole 108, the upper leaf 103 also has two mounting grooves 109, and the two groups of fixing modules are respectively connected to the upper leaf 103 and adapted to the corresponding mounting grooves 109.

[0023] In this embodiment, the hook body 102 is vertically arranged to the lower leaf 101. When performing vaginal dilation, the upper leaf 103 and the lower leaf 101 are inserted into the vagina, and the angle between the upper leaf 103 and the lower leaf 101 is adjusted by the adjusting rod to facilitate subsequent inspection and surgical operations by medical staff. At this time, the hook body 102 is used to be held by medical staff; when exposing the wound, the upper leaf 103 and the lower leaf 101 are separated by the fixing module, and the adjusting rod is taken out, and the lower leaf 101 is used for operation. At this time, the hook body 102 is used to be held by medical staff, thereby achieving a dual-purpose device and saving costs.

[0024] Furthermore, the adjusting rod includes a rotating ring 201, a mosaic block 202, a fixed column 203 and an adjusting column 204, the rotating ring 201 is detachably connected to the lower leaf 101, the mosaic block 202 is fixedly connected to the rotating ring 201 and is located on the outer side wall of the rotating ring 201, and the mosaic block 202 is respectively adapted to the embedding groove 105 and the fixed groove 107, one end of the adjusting column 204 is rotatably connected to the fixed column 203, and the other end of the adjusting column 204 passes through the rectangular hole 108.

[0025] Furthermore, the adjusting rod further includes a plurality of tooth blocks 205 , and the plurality of tooth blocks 205 are respectively fixedly connected to the adjusting column 204 and are all located on the outer side wall of the adjusting column 204 .

[0026] In this embodiment, the rotating ring 201 is embedded in the fixing hole 104, and the engaging block 202 is embedded in the embedding groove 105. The fixing column 203 is rotated to make the rotating ring 201 rotate in the fixing hole 104. At this time, the engaging block 202 is rotated from the rotating groove 106 to the fixing groove 107, and then the adjusting column 204 is passed through the rectangular hole 108. The adjusting column 204 is rotated, and the tooth block 205 is stuck at the rectangular hole 108 to fix the angle between the upper leaf 103 and the lower leaf 101. The tooth blocks 205 in different positions can adjust the angle between the upper leaf 103 and the lower leaf 101.

[0027] Furthermore, the fixing module includes a pull ring 301, a supporting spring 302 and a supporting column 303, the lower leaf 101 has an installation cavity 110, the supporting spring 302 is arranged in the installation groove 109, one end of the supporting spring 302 is fixedly connected to the pull ring 301, and the supporting column 303 is fixedly connected to the other end of the supporting spring 302 and is adapted to the installation cavity 110.

[0028] In this embodiment, under the action of the resisting spring 302, the resisting column 303 is inserted into the installation cavity 110. Through the setting of the resisting column 303, the upper leaf 103 and the lower leaf 101 rotate relative to each other, and the pull ring 301 is pulled to pull the resisting column 303 from the installation cavity 110 to the installation groove 109. At this time, the upper leaf 103 and the lower leaf 101 can be separated.

[0029] Furthermore, the fixing module further includes a sliding rod 304 , and two ends of the sliding rod 304 are fixedly connected to the pull ring 301 and the abutting column 303 , respectively.

[0030] In this embodiment, the resisting spring 302 surrounds the outer side wall of the sliding rod 304 to improve the stability of the resisting spring 302 .

[0031] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A hook structure, characterized in that: It comprises a lower leaf and a hook body, wherein the hook body is fixedly connected to the lower leaf, and the hook body and the lower leaf are vertically arranged.

2. A dilator, comprising the hook structure according to claim 1, characterized in that: It also includes an upper leaf, an adjusting rod and two groups of fixing modules, the upper leaf has a rectangular hole, the lower leaf has a fixing hole, an embedding groove, a rotating groove and a fixing groove, and the rotating groove is respectively connected with the fixing hole, the embedding groove and the fixing groove, one end of the adjusting rod is embedded in the fixing hole, and the other end of the adjusting rod passes through the rectangular hole, the upper leaf also has two mounting grooves, and the two groups of fixing modules are respectively connected to the upper leaf and adapted to the corresponding mounting grooves.

3. The dilator according to claim 2, characterized in that The adjusting rod includes a rotating ring, a mosaic block, a fixed column and an adjusting column. The rotating ring is detachably connected to the lower leaf. The mosaic block is fixedly connected to the rotating ring and is located on the outer side wall of the rotating ring. The mosaic block is respectively adapted to the embedding groove and the fixed groove. One end of the adjusting column is rotatably connected to the fixed column, and the other end of the adjusting column passes through the rectangular hole.

4. The dilator according to claim 3, characterized in that The adjusting rod further comprises a plurality of tooth blocks, which are respectively fixedly connected to the adjusting posts and are all located on the outer side walls of the adjusting posts.

5. The dilator according to claim 2, characterized in that The fixing module includes a pull ring, a supporting spring and a supporting column. The lower leaf has an installation cavity. The supporting spring is arranged in the installation groove. One end of the supporting spring is fixedly connected to the upper leaf. The supporting column is fixedly connected to the other end of the supporting spring and is adapted to the installation cavity.

6. The dilator according to claim 5, characterized in that The fixing module further comprises a sliding rod, and two ends of the sliding rod are respectively fixedly connected to the pull ring and the supporting column.

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