CN212788576U

CN212788576U - Thyroid gland drag hook with real-time nerve monitoring function

Info

Publication number: CN212788576U
Application number: CN202020803968.9U
Authority: CN
Inventors: 罗晔哲; 胡邦; 陈丽娟; 殷德涛
Original assignee: Zhongshan Hospital Xiamen University
Current assignee: Zhongshan Hospital Xiamen University
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-03-26
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a take real-time neural monitoring function's thyroid gland drag hook, it includes handle, connecting rod and hook piece, connecting rod one end is connected with the handle, the connecting rod other end is connected with the hook piece, hook piece end is provided with the metal detection piece, the handle is provided with the electrode connection head that is used for with neural monitor electric wire connection, be provided with between metal detection piece and the electrode connection head and switch on the return circuit, it is located connecting rod and hook piece to switch on the return circuit. The utility model has the advantages of increased thyroid drag hook monitoring function.

Description

Thyroid gland drag hook with real-time nerve monitoring function

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a take thyroid gland drag hook of real-time neural monitoring function is related to.

Background

In thyroid surgery, the protection of the recurrent laryngeal nerve is important, and the accidental injury of the recurrent laryngeal nerve caused by the operation is disastrous to patients. One-sided recurrent laryngeal nerves can cause hoarseness after operation of a patient, and damage to the two-sided recurrent laryngeal nerves can even cause difficulty in breathing of the patient, and tracheotomy is required, so accurate identification and nerve protection in thyroid surgery are very important. In open thyroid surgery, commercially available nerve monitors have been used to monitor nerve function either intermittently or continuously; in endoscopic thyroid surgery, nerve monitoring can be performed only discontinuously at present, and instruments need to be replaced frequently in the use process, so that a great deal of inconvenience is brought to surgeons, and the operation efficiency is influenced.

An endoscope thyroid retractor is an important tool for obtaining a good operation visual field in endoscope thyroid operations. At present, the endoscopic thyroid retractor on the market only has the function of pulling the zonal muscle and does not have the nerve monitoring function, so that the endoscopic thyroid retractor has a single function and needs to be improved.

Disclosure of Invention

The utility model aims at providing a thyroid gland drag hook with real-time nerve monitoring function, which has the advantage of increasing the monitoring function of the thyroid gland drag hook.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a take thyroid gland drag hook of real-time nerve monitoring function, includes handle, connecting rod and drag hook piece, connecting rod one end is connected with the handle, the connecting rod other end is connected with the drag hook piece, drag hook piece end is provided with the metal and surveys the piece, the handle is provided with the electrode connection head that is used for with nerve monitor electric wire connection, be provided with between metal detection piece and the electrode connection head and switch on the return circuit, it is located connecting rod and drag hook piece to switch on the return circuit.

Through adopting above-mentioned technical scheme, among the laparoscopic thyroid operation, thyroid gland drag hook tractive zonal muscle, put into the arterial sheath with the metal detection piece of drag hook piece end simultaneously, close on the vagus nerve as far as possible, pass through electric wire connection with electrode connector on the nerve monitor, make nerve monitor induced current conduct to metal detection piece direct stimulation vagus nerve through the turn-on circuit, form the flesh electrical signal, thereby realize continuous monitoring larynx recurrent nerve return circuit function, in the operation process, flesh electrical signal weakens, then suggestion larynx recurrent nerve has the damage risk, thereby in time remind operation doctor to halt or stop current operation, avoid larynx recurrent nerve damage. The function of the thyroid drag hook is increased, and the efficiency of the endoscopic thyroid surgery is improved.

The present invention may be further configured in a preferred embodiment as: the metal detecting piece is a metal ball.

By adopting the technical scheme, the metal ball is smooth around, and the damage to the tissues in the body is avoided.

The present invention may be further configured in a preferred embodiment as: the connecting rod is a metal rod, an insulating layer is arranged on the surface of the connecting rod, a metal wire which is simultaneously electrically connected with the metal rod and the metal detecting piece is arranged in the pull hook sheet, and the metal rod is connected with the electrode connector.

Through adopting above-mentioned technical scheme, through metal pole and the wire on the connecting rod, make metal detection spare and electrode connection head form and switch on the return circuit.

The present invention may be further configured in a preferred embodiment as: the handle one end is kept away from to the connecting rod is buckled and is provided with the connector, the drag hook upper end is provided with the spread groove, wire one end is located the spread groove, and the other end is connected with the metal ball, the connector is pegged graft in the spread groove and with the wire contact.

Through adopting above-mentioned technical scheme, among the chamber mirror thyroid surgery, put into the subcutaneous operation space in front of the neck through cavity mirror instruments such as separation pincers with the hook piece from chamber mirror surgery handle hole, the connector pierces through in the subcutaneous operation space in front of the neck also gets into the skin from the outside to the inside from the neck skin, accomplish the equipment and carry out chamber mirror thyroid surgery in the spread groove with inserting the connector of connecting rod under chamber mirror direct vision in the link groove of hook piece, after chamber mirror thyroid surgery, under chamber mirror direct vision, take out the connector of connecting rod from the spread groove of hook piece, thereby make things convenient for the dismouting of thyroid gland drag hook, thereby further improved chamber mirror thyroid surgery's efficiency.

The present invention may be further configured in a preferred embodiment as: the tip of the end of the connector is arranged.

Through adopting above-mentioned technical scheme, conveniently pierce through in the skin enters into the subcutaneous operating space in front of the neck from the outside to make things convenient for the grafting of connector and spread groove.

The present invention may be further configured in a preferred embodiment as: the draw hook piece is made of insulating plastic materials, a T-shaped metal rod extending to the outer side is arranged in the end portion of the draw hook piece, the T-shaped metal rod is fixedly connected with the metal ball, and the metal wire is connected with the T-shaped metal rod.

By adopting the technical scheme, the stability of the metal ball connected on the drag hook sheet is improved through the T-shaped metal rod arranged at the end part of the drag hook sheet.

The present invention may be further configured in a preferred embodiment as: the two sides of the lower part of the pull hook sheet are gradually narrowed towards the end part.

By adopting the technical scheme, the area of the end part of the hook piece is reduced, the metal ball is protruded, and the metal ball is convenient to contact a target tissue.

The present invention may be further configured in a preferred embodiment as: the handle is made of high-temperature-resistant anticorrosive insulating materials.

By adopting the technical scheme, the handle made of the high-temperature-resistant and corrosion-resistant insulating material can prolong the service life.

The present invention may be further configured in a preferred embodiment as: and one end of the handle, which is far away from the connecting rod, is provided with a fixed hook.

Through adopting above-mentioned technical scheme, among the laparoscopic thyroid surgery, hang through the fixed hook of handle tip and establish on other objects or support or hold through the assistant of next door to can let the doctor in the long-time operation obtain the rest.

The present invention may be further configured in a preferred embodiment as: the upper portion of the draw hook piece is cylindrical, the lower portion of the draw hook piece is arc-shaped, and the arc piece at the lower portion of the draw hook piece is arc-bent towards the direction of the connecting rod.

By adopting the technical scheme, the upper cylindrical part of the drag hook sheet is convenient to take and place the drag hook sheet, and the circular arc sheet of the circular arc bending at the lower part of the drag hook sheet is convenient to pull the internal banded muscle.

To sum up, the utility model discloses a following at least one useful technological effect:

in the chamber mirror thyroid surgery, thyroid gland drag hook tractive zonal muscle, put into the arterial sheath with the metal detection piece of drag hook piece end simultaneously, close to the vagus nerve as far as possible, pass through wired connection with electrode connector on the nerve monitor, make nerve monitor induced current pass through the conduction loop and conduct the direct stimulation vagus nerve of metal detection piece, form the flesh electrical signal, thereby realize continuous monitoring recurrent laryngeal nerve return circuit function, in the operation process, flesh electrical signal weakens, then suggestion recurrent laryngeal nerve has the damage risk, thereby in time remind the operation doctor to suspend or suspend current operation, avoid recurrent laryngeal nerve damage. The function of the thyroid drag hook is increased, and the efficiency of the endoscopic thyroid surgery is improved;

the hook sheet is placed into the anterior cervical subcutaneous operation space from the endoscopic operation hole through an endoscopic instrument such as a separation clamp, the connector penetrates through the skin from outside to inside from the neck skin and also enters the anterior cervical subcutaneous operation space, the connector of the connecting rod is inserted into the connecting groove of the hook sheet under the endoscopic direct vision to complete the assembly for the endoscopic thyroid operation, and after the endoscopic thyroid operation is finished, the connector of the connecting rod is taken out from the connecting groove of the hook sheet under the endoscopic direct vision, so that the thyroid retractor is convenient to disassemble and assemble, and the efficiency of the endoscopic thyroid operation is further improved;

the T-shaped metal rod arranged at the end part of the drag hook sheet is used for improving the stability of the metal round ball connected on the drag hook sheet.

Drawings

Fig. 1 is a schematic structural diagram of the thyroid retractor to be assembled.

Fig. 2 is a side view of the tab.

In the figure, 1, a handle; 2. a connecting rod; 3. a hook sheet; 4. metal spheres; 5. an electrode connector; 6. a fixed hook; 7. a metal wire; 8. a connector; 9. connecting grooves; 10. t-shaped metal rods.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1, do the utility model discloses a take thyroid gland drag hook of real-time nerve monitoring function, including handle 1, connecting rod 2 and

drag hook piece

3, 2 one ends of connecting rod and 1 fixed connection of handle, the 2 other ends of connecting rod are connected with

drag hook piece

3, and 3 ends of drag hook piece are provided with the metal and survey the piece. The metal detecting member in this embodiment is a metal round ball 4, and in other embodiments, the metal detecting member may be another metal member with a smooth surface and no edge. One end of the handle 1 close to the connecting rod 2 is provided with an electrode connector 5 used for being connected with a wire of the nerve monitor, a conduction loop is arranged between the metal detection piece and the electrode connector 5, and the conduction loop is positioned in the connecting rod 2 and the drag hook piece 3. In the cavity mirror thyroid surgery, thyroid gland drag hook tractive zonal muscle, put into the artery sheath with the metal ball 4 of 3 terminal ends of hook pulling piece simultaneously, close to the vagus nerve as far as possible, pass through on-line connection to the nerve monitor with electrode connector 5, make nerve monitor induced current conduct to metal ball 4 direct stimulation vagus nerve through the turn-on circuit, form the flesh electrical signal, thereby realize continuous monitoring larynx recurrent nerve return circuit function, in the operation process, flesh electrical signal weakens, then the suggestion larynx recurrent nerve has the injury risk, thereby in time remind the operation doctor to suspend or stop current operation, avoid larynx recurrent nerve injury. The function of the thyroid drag hook is increased, and the efficiency of the endoscopic thyroid surgery is improved.

Referring to fig. 1, the handle 1 in this embodiment is made of a high temperature resistant and corrosion resistant insulating material, and the surface of the handle 1 is provided with anti-slip lines. Handle 1 is kept away from connecting rod 2 one end and is provided with fixed hook 6, and fixed hook 6 is semi-circular structure, and fixed hook 6 rotates to be connected on handle 1. In the endoscopic thyroid surgery, the fixing hook 6 at the end part of the handle 1 is hung on other objects and brackets or pulled by a side assistant, so that a surgeon in long-time surgery can have a rest for a moment.

Referring to fig. 1, specifically, the connecting rod 2 is a metal rod, an insulating layer (not shown) is disposed on the surface of the metal rod, a metal wire 7 electrically connected to the metal rod and the metal detecting element is disposed in the hook plate 3, and the metal rod is connected to the electrode connecting head 5. The metal detector and the electrode connector 5 form a conducting loop through the metal rod and the metal wire 7.

Referring to fig. 1, further, one end of the connecting rod 2 away from the handle 1 is provided with a connector 8 in a bending manner. The connector 8 in this embodiment is perpendicular to the connecting rod 2, and the included angle between the connecting rod 2 and the connector 8 may be an acute angle in other embodiments. The upper end of the draw hook piece 3 is provided with a connecting groove 9, one end of the metal wire 7 is positioned in the connecting groove 9, the other end of the metal wire is connected with the metal ball 4, and the connector 8 is inserted into the connecting groove 9 and contacts with the metal wire 7, so that the connecting rod 2 and the draw hook piece 3 can be conveniently disassembled. And the tip of the end part of the connector 8 is arranged, so that the skin can be conveniently punctured from the outside to enter the subcutaneous operation space in front of the neck, and the connector 8 and the connecting groove 9 can be conveniently spliced.

Referring to fig. 1, the length of the cross section of the hook piece 3 is not more than 5mm, and the maximum length of the cross section of the hook piece 3 in this embodiment is 4 mm. The upper part of the pull hook piece 3 is arranged in a cylindrical shape, the lower part of the pull hook piece 3 is arranged in an arc piece shape, and the arc piece at the lower part of the pull hook piece 3 is bent in an arc shape towards the direction of the connecting rod 2. Because the size of operation hole is diameter 5mm in industry standard's chamber mirror thyroid surgery, the cylindrical setting in 3 upper portions of drag hook pieces is conveniently got and is put drag hook piece 3, and the crooked circular arc piece of 3 lower parts circular arcs of drag hook piece is convenient to the traction of internal banded muscle.

Referring to fig. 2, the hook sheet 3 is made of an insulating plastic material, a T-shaped metal rod 10 extending to the outside is arranged in the end portion of the hook sheet 3, the T-shaped metal rod 10 is fixedly connected with the metal ball 4, and the metal wire 7 is connected with the T-shaped metal rod 10. The stability of the metal round ball 4 connected on the draw hook piece 3 is improved through the T-shaped metal rod 10 arranged at the end part of the draw hook piece 3. The two lateral end parts of the lower part of the pull hook piece 3 are gradually narrowed, so that the area of the end part of the pull hook piece 3 is reduced, the metal round ball 4 is protruded, and the metal round ball 4 is convenient to contact with a target tissue.

The implementation principle of the embodiment is as follows: in the operation process of the endoscopic thyroid surgery, after the separation of the thyroid and the zonal muscle is finished and when an endoscopic thyroid retractor is needed, the retractor sheet 3 is taken out, the retractor sheet 3 is sent into the anterior cervical subcutaneous operation space through an operation hole by a cavity device such as a separation forceps and the like, the connecting rod 2 is penetrated into the operation space from the front cervical skin to the inside, the connecting rod 2 and the connecting head 8 at the right-angle bending part are sent into the anterior cervical subcutaneous operation space, the connecting head 8 is inserted into the connecting groove 9 of the retractor sheet 3 under the direct vision of the endoscope, the thyroid retractor combination is finished, the zonal muscle is pulled outwards by the thyroid retractor, meanwhile, the metal ball 4 at the tail end of the retractor sheet 3 is placed into an arterial sheath, the metal ball 4 is close to the vagus nerve as far as possible, the electrode connecting head 5 is connected with a nerve monitor through an electric wire, and the nerve induced current can directly stimulate, form the flesh electrical signal, the neural return circuit function of continuous monitoring larynx, lead to the flesh electrical signal to weaken when the operation, then suggestion larynx return to have the damage risk, in time remind the operation doctor to suspend or suspend current operation, avoid larynx return to the neural damage, after the operation, hold 3 terminal metal balls of hook strip and pull back with the separation forceps holder, can accomplish the separation of connecting rod 2 and hook strip 3, then take out the hook strip 3 from the handle hole extracorporeally, accomplish chamber mirror thyroid surgery, this thyroid gland drag hook has the function of making things convenient for the dismouting and having increased the monitoring of thyroid gland drag hook, very big improvement chamber mirror thyroid surgery's efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a take thyroid gland drag hook of real-time nerve monitoring function, includes handle (1), connecting rod (2) and hook piece (3), connecting rod (2) one end is connected with handle (1), connecting rod (2) other end is connected its characterized in that with hook piece (3): the utility model discloses a nerve monitor, including the coupler piece, the coupler piece is provided with in the coupler piece (3) end, handle (1) are provided with electrode connector (5) that are used for with nerve monitor wire connection, be provided with between metal detection piece and electrode connector (5) and switch on the return circuit, it is located connecting rod (2) and coupler piece (3) to switch on the return circuit.

2. The thyroid retractor with the real-time nerve monitoring function according to claim 1, is characterized in that: the metal detecting piece is a metal round ball (4).

3. The thyroid retractor with the real-time nerve monitoring function according to claim 2, is characterized in that: the connecting rod (2) is a metal rod, an insulating layer is arranged on the surface of the metal rod, a metal wire (7) which is simultaneously electrically connected with the metal rod and the metal detection piece is arranged in the pull hook piece (3), and the metal rod is connected with the electrode connector (5).

4. The thyroid retractor with the real-time nerve monitoring function according to claim 3, is characterized in that: connecting rod (2) are kept away from handle (1) one end and are buckled and be provided with connector (8), draw hook piece (3) upper end is provided with spread groove (9), wire (7) one end is located spread groove (9), and the other end is connected with metal ball (4), connector (8) are pegged graft in spread groove (9) and are contacted with wire (7).

5. The thyroid retractor with the real-time nerve monitoring function according to claim 4, is characterized in that: the tip of the end part of the connector (8) is arranged.

6. The thyroid retractor with the real-time nerve monitoring function according to claim 4, is characterized in that: the novel metal wire drawing hook is characterized in that the drawing hook piece (3) is made of an insulating plastic material, a T-shaped metal rod (10) extending to the outer side is arranged at the end of the drawing hook piece (3), the T-shaped metal rod (10) is fixedly connected with the metal ball (4), and the metal wire (7) is connected with the T-shaped metal rod (10).

7. The thyroid retractor with the real-time nerve monitoring function according to any one of claims 1 to 6, wherein: the two sides of the lower part of the pull hook piece (3) are gradually narrowed towards the end part.

8. The thyroid retractor with the real-time nerve monitoring function according to claim 1, is characterized in that: the handle (1) is made of high-temperature-resistant anticorrosive insulating materials.

9. The thyroid retractor with the real-time nerve monitoring function according to claim 1, is characterized in that: and a fixed hook (6) is arranged at one end of the handle (1) far away from the connecting rod (2).

10. The thyroid retractor with the real-time nerve monitoring function according to claim 1, is characterized in that: the upper portion of the draw hook piece (3) is in a cylindrical shape, the lower portion of the draw hook piece (3) is in an arc piece shape, and the arc piece at the lower portion of the draw hook piece (3) is bent towards the direction of the connecting rod (2) in an arc shape.