CN219700045U

CN219700045U - Visual laryngeal forceps

Info

Publication number: CN219700045U
Application number: CN202321094306.9U
Authority: CN
Inventors: 徐书腾; 徐昊腾; 孟中华
Original assignee: Hangzhou Keqiang Medical Equipment Co ltd
Current assignee: Hangzhou Keqiang Medical Equipment Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-19
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a visual laryngeal forceps, which relates to the field of medical appliances and comprises a clamp head, a movable rod, an outer tube and a visual probe tube, wherein a fixed head of the clamp head is arranged at one end of the outer tube, the movable head of the clamp head is movably connected with the fixed head, the other end of the outer tube is fixed on a rear handle, the rear handle is rotationally connected with a front handle, the movable head is driven by the head of the movable rod, the tail of the movable rod penetrates through the outer tube and is fixedly connected with the front handle, and the front handle drives the movable head to open and close relative to the fixed head; the visual probe tube is fixed along the tube body of the outer tube, the head of the visual probe tube is provided with a visual lens, the visual lens is positioned above the clamp head and used for probing an affected part, the tail of the visual probe tube is provided with a data line interface, the visual lens is electrically connected with the data line interface through a signal line, and the data line interface is used for externally connecting an image display screen to display an image of the affected part. The utility model combines the miniature endoscope with the LED light source with the laryngeal forceps and has the function of rapidly checking and treating foreign bodies in the hypopharynx and the laryngeal.

Description

Visual laryngeal forceps

Technical Field

The utility model relates to the field of medical appliances, in particular to a visual laryngeal forceps.

Background

Hypopharynx and larynx are common channels of digestion and respiration, and are deep, so hypopharynx and laryngeal diseases cannot be observed and treated under direct vision, and the hypopharynx and laryngeal diseases must be checked and treated by means of medical instruments. The common examination and treatment tools include an indirect laryngoscope, a direct laryngoscope, an electronic laryngoscope and the like, wherein the indirect laryngoscopy and treatment are economical, convenient and quick, but the image seen by the indirect laryngoscope is an inverted image of the throat part, so that the throat clearance and the crypt can not be well observed, the indirect laryngoscope is difficult to operate by using an indirect laryngeal forceps, and the diseases of the hypopharynx and the laryngeal can be well mastered after long-time training. For patients with hypertrophic tongue, sensitive pharyngeal reflex and inability to raise the epiglottis, indirect laryngoscopy and treatment are difficult to succeed. The direct laryngoscopy can be checked and operated under direct vision, when the direct laryngoscopy is carried out, the laryngoscopy needs to be carried out, the patient is painful, nausea and vomiting are easy to cause, and the operation needs to be carried out on an empty stomach. In addition, the teeth and throat mucosa of the patient are damaged, and the complications such as throat cramps and the like are caused. The electronic laryngoscopy has the advantages of high resolution, clear visual field, softness, flexibility, capability of sucking and flushing and clamping pathological tissues, and the like, but has the defects of high price, smaller biopsy channel, smaller biopsy forceps head, incapability of clamping and treating foreign matters or swelling in throat, common requirement of two people for double-hand operation in operation and high matching difficulty. Because the traditional laryngeal forceps are required to be operated under an indirect laryngoscope, doctors are required to be capable of mastering the using method of the indirect laryngoscope, meanwhile, the pull tabs of patients are required to be matched, the operation is complex, and the failure rate of patients with hypertrophied tongue bodies and sensitive pharyngeal reflex is high and needs to be improved.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a visual laryngeal forceps which combines a miniature endoscope with an LED light source with the laryngeal forceps, has the functions of examination and treatment, and can realize rapid examination and treatment of hypopharynx and laryngeal foreign bodies.

The utility model aims at being completed by the following technical scheme: the visual laryngeal forceps comprises a clamp head, a movable rod, an outer tube and a visual probe tube, wherein a fixed head of the clamp head is arranged at one end of the outer tube, a movable head of the clamp head is movably connected with the fixed head, the other end of the outer tube is fixed on a rear handle, a front handle is rotationally connected to the rear handle, the movable head is driven by the head connection of the movable rod, the tail part of the movable rod penetrates through the outer tube and is fixedly connected with the front handle, and the front handle drives the movable head to open and close relative to the fixed head; the visual probe tube is fixed along the tube body of the outer tube, the head of the visual probe tube is provided with a visual lens, the visual lens is positioned above the clamp head and used for probing an affected part, the tail of the visual probe tube is provided with a data line interface, the visual lens is electrically connected with the data line interface in the visual probe tube through a signal line, and the data line interface is used for externally connecting an image display screen so as to display the image of the affected part.

As a further technical scheme, the clamp head is detachably connected to the outer tube through a knob, the movable head and the fixed head rotate 360 degrees relative to the outer tube through the knob, and the joint of the movable head and the movable rod is also detachably connected.

As a further technical scheme, the end part of the front handle is provided with a movable key, and the inserting card arranged at the tail part of the movable rod is connected with the clamping groove on the movable key in an inserting way.

As a further technical scheme, all be equipped with a connecting rod on the two relative surfaces of front handle and back handle, articulated through the buckle between two connecting rods, the connecting rod is used for restricting the angle that front handle opened and shut relative back handle.

As a further technical scheme, the rear handle is provided with a thumb abutting piece for limiting thumb sliding.

As a further technical scheme, the data line interface is electrically connected and communicated with the image display screen through a data line with a data line plug, and the data line interface and the data line plug are both USB interfaces.

As a further technical scheme, the visual probe tube and the outer tube are fixed through welding.

As a further technical scheme, the visual lens adopts a miniature endoscope with an LED light source.

The beneficial effects of the utility model are as follows:

1. the miniature endoscope and the laryngeal forceps are combined and fixed, the laryngeal forceps can be stretched into an affected part and can be used for looking at the affected part by utilizing the endoscope lens, the operation is more flexible and convenient, the structure is simpler, and the manufacturing cost is lower;

2. the clamp head is detachably connected with the outer tube through a knob, the knob can be rotated at any time in the operation, the clamping position of the laryngeal forceps can be adjusted, and the clamp head can be detached during preoperative examination, and the visual lens is used for examination of an affected part;

3. the front handle and the rear handle limit the relative opening and closing angles through the connecting rods, so that the damage to the instrument caused by overlarge opening and closing angles is prevented;

4. the thumb abutting piece is arranged on the rear handle, so that the thumb can be conveniently abutted in the operation, and sliding is prevented;

5. the visual lens adopts the miniature endoscope with the LED light source, the lens volume is smaller, and the visual lens is provided with the light source, thereby being convenient for illumination in operation.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic rear view of the present utility model.

FIG. 3 is a schematic view of the connection structure of the outer tube and the visual probe tube in the present utility model.

Fig. 4 is an enlarged partial schematic view of the area a in fig. 1.

Fig. 5 is a schematic structural diagram of the present utility model after connecting an image display screen.

Reference numerals illustrate: the clamp head 1, the knob 1-1, the fixed head 1-2, the movable head 1-3, the movable rod 2, the plug card 3, the outer tube 4, the visual probe 5, the visual lens 6, the data line interface 7, the data line plug 8, the image display screen 9, the front handle 10, the rear handle 11, the thumb fastener 11-1, the connecting rod 12, the buckle 12-1 and the movable key 13.

Detailed Description

The utility model will be described in detail below with reference to the attached drawings:

examples: as shown in figures 1-5, the visual laryngeal forceps comprises a forceps head 1, a knob 1-1, a fixed head 1-2, a movable head 1-3, a movable rod 2, an inserting card 3, an outer tube 4, a visual probe 5, a visual lens 6, a data line interface 7, a data line plug 8, an image display screen 9, a front handle 10, a rear handle 11, a thumb fastener 11-1, a connecting rod 12, a buckle 12-1 and a movable key 13.

Referring to fig. 1 and 4, a clamp head 1 is mounted at the front end of an outer tube 4, and the clamp head 1 includes a fixed head 1-2 and a movable head 1-3 which moves in an opening and closing manner relative to the fixed head 1-2. The movable head 1-3 is driven by the head of the movable rod 2, and the head of the movable rod 2 is arranged in the clamp head 1 in a penetrating way. The rear end of the outer tube 4 is welded and fixed on a rear handle 11, and the rear handle 11 is also rotatably connected with a front handle 10. After the tail part of the movable rod 2 penetrates through the outer tube 4, the movable rod 2 is connected with a clamping groove on the movable key 13 in a plug-in mode, the plug-in card 3 is arranged at the tail part of the movable rod 2, the movable key 13 is arranged above the rotating joint of the front handle 10 and the rear handle 11 (namely the upper end part of the front handle 10), the movable rod 2 can be driven by the front handle 10 (the movable key 13) to synchronously rotate along with the front handle 10, and the movable rod 2 plays a role in transmission, so that the movable head 1-3 can move in an opening and closing mode relative to the fixed head 1-2.

As shown in fig. 3, the visual probe 5 is welded and fixed along the tube body of the outer tube 4 (not shown in the welding position map), the head of the visual probe 5 is provided with a visual lens 6, the visual lens 6 is just above the clamp head 1 after being assembled (as shown in fig. 2 and 3), the visual lens 6 is used for probing the affected part of the throat of a patient, the tail of the visual probe 5 is provided with a data line interface 7, and the visual lens 6 in the visual probe 5 is electrically connected with the data line interface 7 through a signal line (communication and power supply are realized). Preferably, the data line interface 7 is in electrical communication with the image display screen 9 via a data line with a data line plug 8, and the image display screen 9 can display an image of the affected part. The data line interface 7 and the data line plug 8 are all USB interfaces, so that the plug is convenient at any time.

The clamp head 1 is detachably connected (can be in threaded connection) on the outer tube 4 through a knob 1-1, and preferably, the clamp head 1 (comprising a fixed head 1-2 and a movable head 1-3) is provided with a plurality of groups, and the clamp heads 1 with different specifications can be replaced according to different sizes of throat foreign matters. Furthermore, the connection part of the movable head 1-3 and the movable rod 2 is also detachably connected (preferably in threaded connection, namely, the tail end of the movable head 1-3 is provided with an internal threaded hole, and the head part of the movable rod 2 is provided with external threads), so that the movable head 1-3 and the fixed head 1-2 can do 360-degree rotary motion relative to the outer tube 4 by means of the knob 1-1, and the clamping and biting directions can be conveniently adjusted in operation. Preferably, the knob 1-1 is mounted at a sufficient distance from the fixed head 1-2 and the movable head 1-3 such that when the fixed head 1-2 and the movable head 1-3 extend into the throat of a patient for biting, the knob 1-1 is still positioned outside the mouth of the patient, facilitating rotational adjustment during surgery.

Preferably, as shown in fig. 1 and 2, a connecting rod 12 is arranged on the opposite (mutually close) surfaces of the front handle 10 and the rear handle 11, the two connecting rods 12 are hinged through a buckle 12-1, and due to the existence of the connecting rods 12, the opening and closing angle of the front handle 10 relative to the rear handle 11 can be limited, so that the damage to the instrument caused by the overlarge opening and closing angle can be prevented.

Preferably, the rear handle 11 is provided with a thumb engaging piece 11-1 for engaging the thumb during operation to limit the sliding of the thumb. The visual lens 6 adopts a miniature endoscope with an LED light source, the lens volume is smaller, and the lens is provided with the light source, so that illumination in operation is facilitated.

The working process of the utility model comprises the following steps: when the throat foreign body extraction operation is used, the data line interface 7 is connected with the image display screen 9 through a data line (a data line plug 8). Firstly, the affected part is inspected, the knob 1-1 is turned, the clamp head 1 is detached, then the visual lens 6 is inserted into the throat of a patient for inspection, and after the foreign body in the throat is found, the visual lens 6 is taken out. According to the size direction of the foreign matter, the clamp head 1 with proper size is selected, the external thread of the head of the movable rod 2 is aligned with the internal thread hole at the tail end of the movable head 1-3, then the knob 1-1 is screwed to mount the clamp head 1 on the outer tube 4, and meanwhile, the knob 1-1 is slightly rotated to adjust the angle of the clamp head 1. Then, the tongue body of the patient is pulled by one hand, the visual laryngeal forceps are held by the other hand, the forceps head 1 and the visual lens 6 are simultaneously inserted into the throat of the patient, and the throat foreign matter is taken out under the direct view of the throat image displayed on the image display screen 9 through the visual lens 6. The knob 1-1 can be turned at any time in the operation, and the angle of the clamp head 1 is finely adjusted.

The visual laryngeal forceps provided by the utility model combines the miniature endoscope with the LED light source with the laryngeal forceps, has the functions of examination and treatment, and can be used for rapidly examining and treating hypopharynx and laryngeal foreign bodies. The laryngeal forceps head can be detached and rotated by 360 degrees, can clamp foreign matters at all angles of the throat, has the advantages of simple structure, convenient operation and small pain of patients, and can achieve rapid, economical and effective examination and treatment of foreign matters at the hypopharynx and the throat.

It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.

Claims

1. A visual laryngeal forceps, characterized in that: the clamp comprises a clamp head (1), a movable rod (2), an outer tube (4) and a visual probe tube (5), wherein a fixed head (1-2) of the clamp head (1) is arranged at one end of the outer tube (4), a movable head (1-3) of the clamp head (1) is movably connected with the fixed head (1-2), the other end of the outer tube (4) is fixed on a rear handle (11), a front handle (10) is rotationally connected on the rear handle (11), the movable head (1-3) is driven by the head connection of the movable rod (2), the tail of the movable rod (2) penetrates through the outer tube (4) and then is fixedly connected with the front handle (10), and the front handle (10) drives the movable head (1-3) to open and close relative to the fixed head (1-2); the visual probe tube (5) is fixed along the tube body of the outer tube (4), the head of the visual probe tube (5) is provided with a visual lens (6), the visual lens (6) is positioned above the clamp head (1) and used for probing an affected part, the tail of the visual probe tube (5) is provided with a data line interface (7), the visual lens (6) is electrically connected with the data line interface (7) in the visual probe tube (5) through a signal line, and the data line interface (7) is used for externally connecting an image display screen (9) so as to display the image of the affected part.

2. The visual laryngeal forceps of claim 1, wherein: the clamp head (1) is detachably connected to the outer tube (4) through a knob (1-1), the movable head (1-3) and the fixed head (1-2) rotate 360 degrees relative to the outer tube (4) through the knob (1-1), and the joint of the movable head (1-3) and the movable rod (2) is also detachably connected.

3. The visual laryngeal forceps of claim 2, wherein: the end part of the front handle (10) is provided with a movable key (13), and the inserting card (3) arranged at the tail part of the movable rod (2) is connected with a clamping groove on the movable key (13) in an inserting way.

4. A visual laryngeal forceps as claimed in claim 3, wherein: the front handle (10) and the rear handle (11) are provided with a connecting rod (12) on the opposite surfaces, the two connecting rods (12) are hinged through a buckle (12-1), and the connecting rod (12) is used for limiting the opening and closing angles of the front handle (10) relative to the rear handle (11).

5. The visual laryngeal forceps of claim 4, wherein: the rear handle (11) is provided with a thumb abutting piece (11-1) for limiting thumb sliding.

6. The visual laryngeal forceps of claim 5, wherein: the data line interface (7) is electrically connected and communicated with the image display screen (9) through a data line with a data line plug (8), and the data line interface (7) and the data line plug (8) are all USB interfaces.

7. The visual laryngeal forceps of claim 6, wherein: the visual probe tube (5) and the outer tube (4) are fixed through welding.

8. The visual laryngeal forceps of any one of claims 1 to 7, wherein: the visual lens (6) adopts a miniature endoscope with an LED light source.