Anatomical position retractor for carotid endarterectomy

Abstract

The utility model discloses an anatomical position retractor for carotid endarterectomy, which comprises two frames, the joint of the two frames is connected through two symmetrically arranged adjusting knobs, the outer surface of each frame is provided with a plurality of square clamping grooves, a first adjusting seat and a second adjusting seat are clamped in the plurality of square clamping grooves, and the first adjusting seat is connected with the second adjusting seat. Adjustable drag hooks are installed in the second adjusting seats, adjustable threaded rods are installed in the first adjusting seats, and claw-shaped muscle retractors are fixedly connected to the sides, close to the inner ring of the frame, of the threaded rods. By means of the structure, the frame part is provided with the clamping groove, and the hook can be installed according to the traction requirement of the surgical site; the position of the claw-shaped muscle retractor on the frame can be adjusted; a frame double-joint variable-angle design drag hook plays a role in tissue traction to expose an anatomical position in carotid endarterectomy.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical surgical instruments, particularly relates to a dissecting position retractor for carotid endarterectomy. BACKGROUND

[0002] Carotid endarterectomy (CEA) is a method of exposing the carotid artery, removing the thickened carotid endarterectomy plaque, preventing cerebral ischemia and even massive cerebral infarction caused by carotid stenosis, and cerebral apoplexy caused by plaque shedding, which can effectively reduce the risk of cerebral apoplexy.

[0003] The conventional operation method of carotid endarterectomy is to perform general anesthesia, then make an incision in the neck, expose the carotid artery, the length of the incision is generally about 6-7 centimeters, and can be appropriately lengthened under necessary circumstances, but generally will not exceed 10 centimeters. The incision is generally located at the anterior edge of the sternocleidomastoid muscle, and the common carotid artery, external carotid artery, internal carotid artery and other blood vessel branches are exposed by separating muscle, soft tissue and other structures to block the blood vessels. Then cut the narrow or occluded artery longitudinally, remove the atherosclerotic plaque at the target site, then suture the artery wall, sequentially suture each layer of tissue, and complete the surgical operation. During the operation, two sternocleidomastoid pincers are used to spread the muscle tissue for exposure, and the exposed tissue is pulled with sutures, and the arteries and veins are pulled with different color bands. The surgical operation of the main operator and the assistant operator is cooperated in the narrow range of 10 centimeters of the incision. The fixing and processing of a large number of color bands and suture traction have always been a problem in the operation process, and the development of the shuttle-shaped dissecting position retractor can solve the clinical problems. Therefore, the utility model provides a dissecting position retractor for carotid endarterectomy to solve the problems in the background art. SUMMARY

[0004] The utility model aims at providing a dissecting position retractor for carotid endarterectomy, the frame design frame part has the clamping groove can according to the requirement of surgical site traction

[0005] The installation of the hook is carried out; the position of the claw-shaped muscle retractor on the frame is adjustable; the frame double joint can adjust the angle of the drag hook, which plays a role in exposing the anatomical position of the tissue in carotid endarterectomy.

[0006] In order to achieve the above object, provide a kind of for carotid endarterectomy anatomical site retractor, including two frames, the junction of two described frame is connected by two symmetrically arranged adjusting knob, the outer surface of the frame is all provided with multiple square clamping grooves, wherein multiple described square clamping groove inside is clamped with first adjusting seat and second adjusting seat, adjustable draw hook is mounted in the inside of second adjusting seat, adjustable threaded rod is mounted in the inside of first adjusting seat, the side of threaded rod close to frame inner ring is all fixedly connected with claw-shaped muscle retractor.

[0007] According to the anatomical site retractor for carotid endarterectomy, the inside of the top side of the second adjusting seat is all screw-connected with a positioning bolt, and one end of the draw hook close to the second adjusting seat is inserted into the inside of the second adjusting seat and located at the bottom of the positioning bolt.

[0008] According to the anatomical site retractor for carotid endarterectomy, the threaded rod is inserted into the inside of the first adjusting seat, and a positioning knob is screw-connected to the outside of the threaded rod and located on the side of the first adjusting seat away from the claw-shaped muscle retractor.

[0009] According to the anatomical site retractor for carotid endarterectomy, the frame is made of medical stainless steel or titanium alloy.

[0010] The utility model has the following beneficial effects:

[0011] 1、Compared with prior art, the anatomical site retractor for carotid endarterectomy, the frame design frame part has clamping groove and can be hung according to the requirements of the installation of the operation site traction;The position of claw-shaped muscle retractor on the frame can be adjusted;The frame double joint can be designed to adjust the angle of draw hook, and play the role of tissue traction exposure anatomical position in carotid endarterectomy.

[0012] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. DETAILED DESCRIPTION

[0013] The utility model is further illustrated below in connection with the drawings and examples;

[0014] Fig. 1 is the frame bending 35 ° state structure schematic diagram of the anatomical site retractor for carotid endarterectomy of the utility model;

[0015] Fig. 2 is the overhead structure schematic diagram of the anatomical site retractor for carotid endarterectomy of the utility model;

[0016] Fig. 3 is an enlarged structural schematic view of the position A in Fig. 1 of the dissecting retractor for carotid endarterectomy.

[0017] Legend:

[0018] 1, frame; 2, first adjusting seat; 3, threaded rod; 4, positioning knob; 5, drag hook; 6, adjusting knob; 7, positioning bolt; 8, clamping groove; 9, second adjusting seat; 10, claw-shaped muscle retractor. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] Referring to Figs. 1-3, the utility model embodiment a dissecting retractor for carotid endarterectomy, it includes two frames 1, the connecting place of two frames 1 is connected through two symmetrically arranged adjusting knobs 6, the outer surface of frame 1 is provided with a plurality of square clamping grooves 8, wherein a plurality of square clamping grooves 8 are internally clamped with first adjusting seat 2 and second adjusting seat 9, the inside of second adjusting seat 9 is internally mounted with adjustable drag hook 5, the inside of the top side of second adjusting seat 9 is threadedly connected with positioning bolt 7, one end of drag hook 5 close to second adjusting seat 9 is inserted in the inside of second adjusting seat 9 and located at the bottom of positioning bolt 7.

[0021] Frame 1 design and double joints are all angle adjustable for fitting the anatomical position of neck, the recessed end of frame 1 has a pulling function, indirectly fixes the specific position of frame 1. The adjusting knob 6 adjusting device for double joint locking completes the fixation of frame 1.

[0022] The inside of first adjusting seat 2 is internally mounted with adjustable threaded rod 3, threaded rod 3 is inserted in the inside of first adjusting seat 2, positioning knob 4 is threadedly connected with the outside of threaded rod 3 and located at one side of first adjusting seat 2 away from claw-shaped muscle retractor 10, threaded rod 3 is fixedly connected with claw-shaped muscle retractor 10 on one side close to the inner ring of frame 1.

[0023] The slide rail type claw-shaped muscle retractor 10 is adjusted and fixed in the part needing muscle retraction in muscle retraction. Intraoperative traction and suspension fixation of fascia and blood vessels, drag hook 5 can be used for traction and suspension fixation of fascia and blood vessels, and the claw-shaped muscle retractor 10 can be used for traction and suspension fixation of muscle.

[0024] 5. The frame 1 is placed on the anatomical position, and the muscle traction fixation retractor 5 is fixed on both sides of the frame recess.

[0025] 1. A neck incision is made at the anterior border of the sternocleidomastoid muscle to expose the carotid artery, and the incision length is generally about 6-7 cm.

[0026] 2. The frame 1 is placed on the anatomical position, and the muscle traction fixation retractor 5 is fixed on both sides of the frame recess.

[0027] 3. The sliding rail claw-shaped muscle retractor 10 is used to retract the muscle tissue at the appropriate position on both sides of the incision.

[0028] 4. During the operation, the incision suture traction is performed layer by layer according to the operation progress, and the frame 1 is fixed at the corresponding position.

[0029] 5. The vascular color band is used to identify the arteriovenous and the like which can be fixed or pulled by the assistant doctor.

[0030] 6. The operation is performed in the complete exposure of the operation field.

[0031] 7. The wound is closed, and the hanging suture is removed layer by layer according to the operation progress.

[0032] 8. The frame 1 is removed, and external suture is performed.

[0033] In order to ensure the safety and durability of the retractor during the operation, the frame 1 is made of medical stainless steel or titanium alloy material, which has excellent biocompatibility and corrosion resistance, and ensures safety and reliability during the operation.

[0034] Working principle: The frame 1 is designed and the double joints can be angle-adjusted to fit the anatomical position of the neck, and the recess end of the frame 1 has a traction function, which indirectly fixes the specific position of the frame 1. The adjustment knob 6 of the double joint locking device completes the fixation of the frame 1. The sliding rail claw-shaped muscle retractor 10 is adjusted and fixed at the position where muscle retraction is needed in muscle traction.

[0035] The retractor 5 can be used for traction and suspension fixation of fascia and blood vessels during the operation, which plays a role in exposing the anatomical position by tissue traction in carotid endarterectomy.

[0036] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. An anatomical retractor for carotid endarterectomy, characterized in that, It includes two frames (1), and the two frames (1) are connected by two symmetrically arranged adjustment knobs (6). The outer surface of each frame (1) is provided with multiple square slots (8), in which a first adjustment seat (2) and a second adjustment seat (9) are engaged inside the multiple square slots (8). The second adjustment seat (9) is equipped with an adjustable hook (5), and the first adjustment seat (2) is equipped with an adjustable threaded rod (3). The threaded rod (3) is fixedly connected to a claw-shaped muscle retractor (10) on the side near the inner ring of the frame (1).

2. The anatomical retractor for carotid endarterectomy according to claim 1, characterized in that, The second adjusting seat (9) has a positioning bolt (7) threaded inside the top side. The end of the hook (5) near the second adjusting seat (9) is inserted into the second adjusting seat (9) and located at the bottom of the positioning bolt (7).

3. The anatomical retractor for carotid endarterectomy according to claim 2, characterized in that, The threaded rod (3) is inserted inside the first adjusting seat (2), and a positioning knob (4) is threaded on the outside of the threaded rod (3) and on the side of the first adjusting seat (2) away from the claw-shaped muscle retractor (10).

4. The anatomical retractor for carotid endarterectomy according to claim 3, characterized in that, The frame (1) is made of medical stainless steel or titanium alloy.

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