CN220632139U

CN220632139U - Surgical tissue retractor

Info

Publication number: CN220632139U
Application number: CN202321814250.XU
Authority: CN
Inventors: 谢田伟; 刘君; 朱玥; 赵燕; 王秀
Original assignee: Sichuan Mianyang 404 Hospital
Current assignee: Sichuan Mianyang 404 Hospital
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-03-22
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a surgical tissue retractor which comprises a grip and a ring arranged at the top end of the grip, wherein an inner retractor handle is arranged in the outer retractor handle, an outer retractor head is arranged at the top end of the inner retractor handle, a clamping rack is arranged on one side of the inner retractor handle, a limiting latch is arranged on the clamping rack, a clamping piece handle is arranged on one side of the outer retractor handle, a clamping piece latch is arranged on the clamping piece handle, a clamping piece rotating shaft is arranged on one side of the clamping piece handle, the inner retractor handle can rotate in the outer retractor handle through the rotating shaft by pulling the outer retractor head, the limiting latch on the clamping rack can be sequentially clamped with the clamping piece latch on the clamping piece handle, the angle and the position of the inner retractor handle and the outer retractor handle are fixed by clamping the clamping piece latch and the limiting latch, at the moment, the outer retractor head and the inner retractor head can simultaneously pull surgical tissues, the exposure of the surgical fields can be increased by pulling the two retractor heads, and more convenient surgical tissue retractor operation is realized by avoiding a plurality of persons.

Description

Surgical tissue retractor

Technical Field

The utility model relates to the field of surgical tools, in particular to a surgical tissue retractor.

Background

The tissue retractor is one of the common instruments for surgical operation and is a necessary tool for ensuring the surgical field. In the oral and maxillofacial surgery operation process, the existing drag hook is adopted to drag the oral cavity soft tissue so as to facilitate the smooth operation, and because the oral cavity operation space is small and the structural design and the size of the drag hook are all high, the existing maxillofacial oral cavity soft tissue drag hook adopts a single-head drag hook, and the pulling operation is generally required to be carried out at two places during the operation, so that more than two single-head drag hooks are required to be simultaneously operated, more than two people are required to respectively pull the soft tissue through the single-head drag hook during the operation so as to expose the operation field, but the use force of a plurality of people is different, the uneven operation field is easy to be exposed insufficiently or the situation of excessively pressing the soft tissue is caused.

Disclosure of Invention

The utility model mainly aims to provide a tissue retractor for operation, which aims to solve the problems that the existing tissue retractor for maxillofacial oral cavity adopts a single-head retractor, and the pulling operation is generally carried out at two positions during operation, so that more than two single-head retractors are required to be operated simultaneously, more than two persons are required to pull the soft tissues through the single-head retractor during operation to expose the operation field, but the using forces of the persons are different, uneven is generated, and the condition that the exposure of the operation field is insufficient or the soft tissues are excessively pressed is easily caused.

In order to solve the problems, the utility model provides a surgical tissue retractor, which comprises a handle and a finger ring arranged at the top end of the handle;

the finger ring is provided with a telescopic outer rod, one end of the telescopic outer rod is provided with a telescopic inner rod, one end of the telescopic inner rod is provided with an outer hook handle, and the top end of the outer hook handle is provided with an inner hook head;

the inner pull hook handle is arranged in the outer pull hook handle, the outer pull hook head is arranged at the top end of the inner pull hook handle, a clamping rack is arranged on one side of the inner pull hook handle, a limiting clamping tooth is arranged on the clamping rack, a clamping piece handle is arranged on one side of the outer pull hook handle, a clamping piece clamping tooth is arranged on the clamping piece handle, a clamping piece rotating shaft is arranged on one side of the clamping piece handle, a clamping piece connecting block is arranged above the clamping piece rotating shaft, and a metal elastic sheet is arranged in the outer pull hook handle;

the clamping piece handle rotates in the outer pull hook handle through the clamping piece rotating shaft, the metal elastic sheet can be jacked up by rotating the clamping piece handle, and the inner pull hook handle can rotate in the outer pull hook handle through the tail end rotating shaft.

In an embodiment, the clamping piece handle is movably connected with the outer hook handle through a clamping piece rotating shaft, and the clamping piece connecting block is welded with the metal elastic sheet.

In an embodiment, a screw is disposed at one end of the metal elastic sheet, and one end of the metal elastic sheet is fixedly connected with the external hook handle through the screw.

In an embodiment, the latch bar is welded to the inner hook handle and the limit latch is welded to the latch bar.

In an embodiment, the clamping piece clamping tooth is integrally connected with the clamping piece handle, and the clamping piece clamping tooth is clamped with the limiting clamping tooth.

In one embodiment, the outer hook head is welded to the inner hook handle and the inner hook head is welded to the outer hook handle.

In an embodiment, the outer hook head has a longer length than the inner hook head, and the inner hook head has the same width as the outer hook head.

In an embodiment, a plurality of limiting holes are formed in the telescopic outer rod, and the limiting holes are integrally connected with the telescopic outer rod.

In an embodiment, the telescopic outer rod is sleeved with the telescopic inner rod, and a spring is arranged inside the telescopic inner rod.

In an embodiment, a clamping block is arranged above the spring, the clamping block is cylindrical, a cavity is formed in the middle of the clamping block, and the clamping block is sleeved with the spring.

The beneficial effects are that: 1. according to the technical scheme, through the arrangement of the clamping piece handle, the clamping rack, the limiting latch, the clamping piece rotating shaft, the clamping piece connecting block, the metal spring plate and the screw, the outer hook head is pulled to enable the inner hook handle to rotate in the outer hook handle through the rotating shaft, when the inner hook handle rotates, the limiting latch on the clamping rack can be sequentially clamped with the clamping piece latch on the clamping piece handle, the angle and the position of the inner hook handle and the outer hook handle are fixed through the clamping connection of the clamping piece latch and the limiting latch, at the moment, the outer hook head and the inner hook head can simultaneously pull operation tissues, the two hook heads can be pulled to increase the exposure of operation fields, the tissue pulling hook is prevented from being operated simultaneously, the operation of doctors is facilitated, the clamping piece handle is enabled to rotate upwards through the clamping piece rotating shaft, at the moment, the clamping piece latch and the limiting latch are released, then the inner hook handle rotates to the inside the outer hook handle, and after the clamping piece handle is released, the restoring elasticity of the metal spring plate can reset the clamping piece handle, and the clamping piece latch are clamped and fixed again.

2. According to the technical scheme, through the arrangement of the telescopic inner rod, the telescopic outer rod, the clamping block, the spring and the limiting hole, the spring at the bottom of the clamping block can be compressed by pressing the clamping block, the clamping block is pressed into the cavity of the telescopic inner rod, the telescopic inner rod can be pulled out of the telescopic outer rod at the moment, when the telescopic inner rod is pulled to a certain length, the clamping block moves upwards due to the fact that the clamping block is aligned with the limiting hole on the telescopic outer rod, the clamping block is inserted into the limiting hole due to the restoring elasticity of the spring, the telescopic inner rod is clamped with the telescopic outer rod, the length of the tissue hook handle can be freely adjusted through the arrangement of the device, a doctor can conveniently change the length of the hook handle according to actual conditions, the tissue hook is wider in application range, and meanwhile, the surgical operation of the doctor is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the flaring structure of the present utility model;

FIG. 3 is a top cross-sectional view of the present utility model;

FIG. 4 is a partial block diagram of FIG. 1 of the present utility model;

FIG. 5 is a view of the internal structure of the telescopic inner rod of the present utility model;

the reference numerals are explained as follows: 1. a grip; 2. a finger ring; 3. an outer pull hook handle; 4. an outer hook head; 5. an inner hook head; 6. a clamping piece handle; 7. a clamping rack; 8. a telescoping outer rod; 9. a limiting hole; 10. an inner pull hook handle; 11. a telescopic inner rod; 12. a clamping block; 13. a metal spring plate; 14. a clamping piece rotating shaft; 15. limiting latch teeth; 16. clamping teeth of the clamping piece; 17. a clamping piece connecting block; 18. a spring; 19. and (5) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a surgical tissue retractor as shown in figures 1-5, which comprises a handle 1 and a finger ring 2 arranged at the top end of the handle 1;

the finger ring 2 is provided with a telescopic outer rod 8, one end of the telescopic outer rod 8 is provided with a telescopic inner rod 11, one end of the telescopic inner rod 11 is provided with an outer pull hook handle 3, and the top end of the outer pull hook handle 3 is provided with an inner pull hook head 4;

an inner hook handle 10 is arranged in the outer hook handle 3, an outer hook head 5 is arranged at the top end of the inner hook handle 10, a clamping rack 7 is arranged on one side of the inner hook handle 10, a limiting clamping tooth 15 is arranged on the clamping rack 7, a clamping piece handle 6 is arranged on one side of the outer hook handle 3, a clamping piece clamping tooth 16 is arranged on the clamping piece handle 6, a clamping piece rotating shaft 14 is arranged on one side of the clamping piece handle 6, a clamping piece connecting block 17 is arranged above the clamping piece rotating shaft 14, and a metal elastic sheet 13 is arranged in the outer hook handle 3;

wherein, fastener handle 6 rotates in outer pull hook handle 3 through fastener pivot 14, rotates fastener handle 6 and can jack up metal shell fragment 13, and interior pull hook handle 10 can rotate in outer pull hook handle 3 through the tail end pivot.

In this embodiment, the doctor firstly ensures that the tissue retractor is intact, performs necessary disinfection and cleaning, then determines the tissue position to be positioned and pulled, carefully inserts the retractor into the tissue, ensures that the tail end of the retractor is correctly contacted with the target tissue, pulls the target tissue by a proper method, at this time, the doctor needs to ensure moderate pulling force, avoids tissue damage caused by excessive pulling, and performs the operation on the tissue after reaching the required pulling force.

As shown in fig. 1, 2, 3 and 4, the clamping piece handle 6 is movably connected with the outer hook handle 3 through a clamping piece rotating shaft 14, the clamping piece connecting block 17 is welded with the metal elastic piece 13, one end of the metal elastic piece 13 is provided with a screw 19, one end of the metal elastic piece 13 is fixedly connected with the outer hook handle 3 through the screw 19, the clamping tooth strip 7 is welded with the inner hook handle 10, the limiting clamping tooth 15 is welded with the clamping tooth strip 7, the clamping piece clamping tooth 16 is integrally connected with the clamping piece handle 6, the clamping piece clamping tooth 16 is clamped with the limiting clamping tooth 15, the outer hook head 4 is welded with the inner hook handle 10, the inner hook head 5 is welded with the outer hook handle 3, the length of the outer hook head 4 is longer than that of the inner hook head 5, and the width of the inner hook head 5 is the same as that of the outer hook head 4.

As shown in fig. 1, 2 and 5, a plurality of limiting holes 9 are formed in the telescopic outer rod 8, the limiting holes 9 are integrally connected with the telescopic outer rod 8, the telescopic outer rod 8 is sleeved with the telescopic inner rod 11, a spring 18 is arranged in the telescopic inner rod 11, a clamping block 12 is arranged above the spring 18, the clamping block 12 is cylindrical, a cavity is formed in the middle of the clamping block 12, and the clamping block 12 is sleeved with the spring 18.

Preferably, through pulling outer hook 4, can make interior hook handle 10 rotate at the inside rotation of outer hook handle 3 through the pivot, when interior hook handle 10 rotates, spacing latch 15 on the rack 7 can in proper order with the fastener latch 16 joint on the fastener handle 6, thereby fixed angle and the position of interior hook handle 10 and outer hook handle 3, outer hook 4 and interior hook 5 can pull the operation tissue simultaneously like this, thereby increase the exposure of operation field, this kind of design has avoided many people to operate the tissue drag hook simultaneously, more convenient doctor's operation, when needing to release fixedly, can upwards rotate fastener handle 6 through fastener pivot 14, like this fastener latch 16 will release with spacing latch 15, afterwards rotate interior hook handle 10 to the inside of outer hook handle 3, after releasing fastener handle 6, the recovery elasticity of metal shell fragment 13 can reset fastener handle 6, make fastener latch 16 again with spacing latch 15 joint fixed.

Preferably, the spring 18 at the bottom of the clamping block 12 can be compressed by pressing the clamping block 12, and is pressed into the cavity of the telescopic inner rod 11, so that the telescopic inner rod 11 can be pulled out from the telescopic outer rod 8, when the telescopic inner rod is pulled to a certain length, the clamping block 12 is aligned with the position of the limit hole 9 on the telescopic outer rod 8, at the moment, the clamping block 12 is upwards moved by the restoring elastic force of the spring 18 and is inserted into the limit hole 9, so that the telescopic inner rod 11 and the telescopic outer rod 8 are clamped, the length of the tissue pulling hook handle can be freely adjusted through the arrangement of the device, a doctor can conveniently change the length of the pulling hook handle according to actual conditions, and the tissue pulling hook can be suitable for wider conditions, and is more convenient for operation of the doctor.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A surgical tissue retractor, which comprises a handle (1) and a finger ring (2) arranged at the top end of the handle (1);

the finger ring (2) is provided with a telescopic outer rod (8), one end of the telescopic outer rod (8) is provided with a telescopic inner rod (11), one end of the telescopic inner rod (11) is provided with an outer hook handle (3), and the top end of the outer hook handle (3) is provided with an inner hook head (5);

the novel outer draw hook is characterized in that an inner draw hook handle (10) is arranged inside the outer draw hook handle (3), an outer draw hook head (4) is arranged at the top end of the inner draw hook handle (10), a clamping rack (7) is arranged on one side of the inner draw hook handle (10), a limiting clamping tooth (15) is arranged on the clamping rack (7), a clamping piece handle (6) is arranged on one side of the outer draw hook handle (3), a clamping piece clamping tooth (16) is arranged on the clamping piece handle (6), a clamping piece rotating shaft (14) is arranged on one side of the clamping piece handle (6), a clamping piece connecting block (17) is arranged above the clamping piece rotating shaft (14), and a metal elastic sheet (13) is arranged inside the outer draw hook handle (3);

the clamping piece handle (6) rotates in the outer hook handle (3) through the clamping piece rotating shaft (14), the metal elastic sheet (13) can be jacked up by rotating the clamping piece handle (6), and the inner hook handle (10) can rotate in the outer hook handle (3) through the tail end rotating shaft.

2. Surgical tissue retractor according to claim 1, characterized in that the clip handle (6) is movably connected with the outer hook handle (3) by a clip rotating shaft (14), and the clip connecting block (17) is welded with the spring plate (13).

3. Surgical tissue retractor according to claim 2, characterized in that one end of the metal spring (13) is provided with a screw (19), and one end of the metal spring (13) is fixedly connected with the outer hook handle (3) by means of the screw (19).

4. Surgical tissue retractor according to claim 1, characterized in that the latch bar (7) is welded to the inner handle (10) and the limit latch (15) is welded to the latch bar (7).

5. The surgical tissue retractor according to claim 4, wherein the clamping element latch (16) is integrally connected to the clamping element handle (6), and the clamping element latch (16) is clamped to the limiting latch (15).

6. Surgical tissue retractor according to claim 1, characterized in that the outer hook head (4) is welded to the inner hook shank (10) and the inner hook head (5) is welded to the outer hook shank (3).

7. Surgical tissue retractor according to claim 6, characterized in that the outer hook head (4) has a longer length than the inner hook head (5), the width of the inner hook head (5) being the same as the outer hook head (4).

8. Surgical tissue retractor according to claim 1, characterized in that the telescopic outer rod (8) is provided with a plurality of limiting holes (9), the limiting holes (9) being integrally connected with the telescopic outer rod (8).

9. Surgical tissue retractor according to claim 8, characterized in that the telescopic outer rod (8) is sleeved with the telescopic inner rod (11), the telescopic inner rod (11) being internally provided with a spring (18).

10. The surgical tissue retractor according to claim 9, wherein a clamping block (12) is arranged above the spring (18), the clamping block (12) is cylindrical and has a cavity in the middle, and the clamping block (12) is sleeved with the spring (18).