CN210095785U

CN210095785U - Oral tumor tissue sampler

Info

Publication number: CN210095785U
Application number: CN201920463093.XU
Authority: CN
Inventors: 邱冠华
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-21
Anticipated expiration: 2029-04-08

Abstract

The embodiment of the utility model discloses oral tumor tissue extractor, including forming into shaft-like main part, this main part has the longitudinal end of hollow portion and main part, first operation handle portion forms to extend in the direction of basic perpendicular to have first finger insert part and the pivot portion of setting on first operation handle portion, the longitudinal opposite end of main part is provided with second operation handle portion, second operation handle portion is rotatably supported and has second finger insert part and first operation handle portion by the finger, the suction inlet forms at the most advanced of main part, be used for the tissue that the suction was cut, and constitute the tumor tissue cutting part of suction inlet; the operation of the handle portion and the transmission rod for transmitting force, and the light emitting member for illumination, thereby facilitating the drawing of the oral tumor tissue.

Description

Oral tumor tissue sampler

Technical Field

The embodiment of the utility model provides a relate to medical instrument technical field, concretely relates to oral tumor tissue ware of drawing materials.

Background

Oral tumors are largely classified as squamous cell carcinoma, the so-called mucosal lesion. In clinical practice, oral cancer includes gum cancer, tongue cancer, soft and hard palate cancer, maxillofacial cancer, cancer of the floor of the mouth, oropharyngeal cancer, salivary gland cancer, lip cancer, and cancer of the maxillary sinus, and cancer occurring in the facial skin mucosa, and the like. Oral cancer is one of the more common malignant tumors of the head and neck. Oral tumor cells are mostly concentrated on the inner wall of the oral cavity, a conventional oral tumor tissue sampling mode is used for taking a small piece of tumor tissue of an affected part by holding a scalpel by a doctor and collecting the tumor tissue, the sampling process is difficult, the manual operation is inconvenient, the operation space of the depth area in the oral cavity is limited, a bright visual field cannot be provided, and the collection of the sheet material which is taken and cut off by the scalpel is difficult.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

an oral tumor tissue sampler comprises a main body part formed in a rod shape, wherein the main body part is provided with a hollow part and a longitudinal end part of the main body part;

further comprising a first operating handle portion formed to extend in a substantially vertical direction and having a first finger inserting portion and a pivot portion provided on the first operating handle portion,

a second operating handle portion rotatably supported by the fingers and having a second finger inserting portion is provided at a longitudinally opposite end of the main body portion,

the tumor tissue cutting device also comprises a suction inlet arranged at the tip end of the main body part, a tumor tissue cutting part forming the suction inlet, and a transmission rod, wherein two ends of the transmission rod are hinged with the operation handle part and the tumor tissue cutting part.

Preferably, the second operating handle is configured to be rotatable about the pivot portion relative to the first operating handle.

Preferably, the transmission lever portion is connected to a distal end side of the second operating handle via a connecting portion, and the transmission lever is associated with a pivoting operation of the second operating handle portion with respect to the first operating handle portion.

Preferably, a storage portion for storing the tumor tissue sheet sucked through the suction port portion and the hollow portion is provided at a rear portion of the second operating handle portion.

Preferably, the storage portion includes a storage cover portion directly fixed to a rear portion of the second operating handle portion, an engaging portion formed on an inner wall of the storage cover portion, and an engaging portion.

Preferably, the storage part further comprises a storage body configured to be attachable to and detachable from the storage cover.

Preferably, the lighting unit is further included, the lighting unit being provided on the main body portion, the lighting unit including a light emitting element and including a light guide portion for guiding light from the light emitting element to the hollow portion.

Preferably, the lighting unit includes a power supply unit that supplies driving power to the light emitting element and a switch that controls the light emitting element to be turned on and off.

According to the utility model discloses, both can provide the illumination, form the clear bright field of vision, be convenient for find the cutting focus position of aiming at, simultaneously, the operation of drawing materials of the oral cavity depths of being convenient for of deep main part unit, cutting device is convenient for organize the cutting, and absorbing device is convenient for the collection of the tissue sheet after cutting simultaneously, very big improvement the convenience and the efficiency of the work of drawing materials of oral tumor tissue.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic cross-sectional view of the overall construction of an oral tumor tissue harvester 100;

FIG. 2(a) is a schematic diagram of the suction action of the oral tumor tissue sampler 100;

FIG. 2(b) is a schematic diagram of the oral tumor tissue sampler 100 when the suction action is stopped;

FIG. 3 is a schematic view showing the configuration of the suction port 104 provided at one end side of the oral tumor tissue sampler 100;

fig. 4 is a schematic view of the illumination section 116 provided in the oral tumor tissue sampling instrument 100.

In the figure:

100 oral tumor tissue sampler

101 main body part

101a end face opening

101b inclined end face portion

101c base part

102 first operating handle part

102a first finger insertion part

102b pivot part

103 second operating handle part

103a second finger insertion part

104 suction opening

105 tumor tissue cutting part

105a cutting the opening

105b cutting the annular part

105c cutting the body

105d cutting rotation part

105e cutting rotary piece

105f cutting the joint

106 hollow part

107 drive rod part

107a connecting part

108 electric wire connecting terminal

109 hollow portion side connection pipe

110 storage part

110a storage cover portion

110b store the body portion

110c joint

110d joint

110e hollow portion side opening portion

110f suction pipe side opening

111 suction pipe side connection pipe

112 suction pipe

113 liquid absorbent material

114 open and close switch

114a first switch member

114b second switch member

115 conducting wire

116 light emitting component

116a light emitting element

116b light guide member

116c Power supply Unit

116d change-over switch

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic sectional view for explaining the overall configuration of an oral tumor tissue sampler 100 according to the present embodiment.

As shown in fig. 1, the oral tumor tissue sampler 100 according to the present embodiment includes a body portion 101 formed in a rod shape, the body portion 101 having a hollow portion 106 and longitudinal ends of the body portion 101. The first operating handle portion 102 is formed to extend in a substantially vertical direction, and has a first finger inserting portion 102a through which the index finger of the doctor is inserted and a pivot portion 102b provided on the first operating handle portion 102. A second operating handle portion 103 is provided at a longitudinally opposite end of the body portion 101, the second operating handle portion 103 being rotatably supported by fingers and having a second finger insertion portion 103a for inserting a thumb of a practitioner and a first operating handle portion 102, a suction port 104 being formed at a tip end of the body portion 101 for suctioning cut tissue, and a tumor tissue cutting portion 105 constituting the suction port 104; the operation of the handle portion 103 and the transmission rod 107 are operated for transmitting force.

The second operating handle 103 is configured to be rotatable (opened and closed) about a pivot portion 102b in the direction of arrow X in fig. 1 with respect to the first operating handle 102. The transmission lever portion 107 is connected to the distal end side of the second operating handle 103 via a connecting portion 107a, and the transmission lever is associated with the pivoting operation of the second operating handle portion 103 with respect to the first operating handle portion 102. By driving the portion 107 in the arrow Y direction in fig. 1, the cutting body portion 105c connected via a cutting connection portion 105f to be described later can be opened and closed in the Z direction in fig. 1.

In addition, a storage portion 110 for storing the tumor tissue sheet sucked through the suction port portion 104 and the hollow portion 106 is provided at the rear of the second operating handle portion 103. The storage portion 110 is a storage cover portion 110a directly fixed to the rear of the second operating handle portion 103, an engaging portion 110c formed on the inner wall of the storage cover portion 110a, and an engaging portion 110 d. And the storage body 110b is configured to be attachable to and detachable from the storage cover 110a by fixing the storage body 110 b.

A hollow portion side opening 110e communicating with a hollow portion side connecting tube 109 (tube diameter larger than sheet tissue cross section) connected to the hollow portion 106 is provided on the top surface portion of the storage cap portion 110a, and a suction tube is provided by a suction means to be described later. Suction-pipe-side openings 110f communicating with the suction-pipe-side connection pipes 111 to be connected are formed, respectively. An open/close switch 114 as a switching means is provided on the top surface portion between the hollow portion side opening portion 110e and the suction tube side opening portion 110f so that the hollow portion side opening portion 110e can be opened and closed. In the state shown in fig. 2(a), since the open/close switch 114 is in the "on" state, the suction line from the suction unit is in the connected state, and suction can be performed by the suction force of the suction unit. On the other hand, from the state shown in fig. 2(a), when the first switching piece 114a is rotated in the direction of arrow t in the drawing to be "closed", as shown in fig. 2(b), the second switching piece 114b is hollow. Since the side opening 110e is closed, the suction line from the suction device is in a blocked state, and suction by the suction force of the suction device can be stopped.

Incidentally, a liquid absorbing material 113 such as gauze is accommodated in the storage space within the storage body 110 b. By providing the liquid absorbing material 113 inside the storage body 110b, it is possible to minimize contamination of the storage space and prevent the suction liquid such as saliva blood or the like from entering the suction device. In addition, since the storage main body 110b according to the present embodiment is configured to be attachable to and detachable from the storage cover 110a, the liquid absorbent material 113 can be easily replaced.

Next, the suction port portion 104 as the longitudinal distal end portion of the oral tumor tissue sampler 100 will be described with reference to fig. 1 and fig. 2(a) and 2 (b). As shown in fig. 3, the suction port portion 104 has a base portion 101c, and the base portion 101c has a flat portion that is a plane from a predetermined position on a distal end side on the distal end side in the longitudinal direction of the main body portion 101 to the rotational axis of the main body portion 101. The cross-sectional shape from the vicinity of the end of the base 101c to the outer peripheral surface of the main body 101 is elliptical, that is, the entire shape is a substantially inclined cylinder when the appearance of the main body 101 is observed. And an inclined end face portion 101 b. An end-face side opening 101a communicating with the hollow portion 106 is formed in the inclined end-face portion 101 b.

In addition, the suction port 104 also serves as a handle for performing tissue management operations, such as picking up tissue during material extraction, and cutting harvesting of tumor tissue. The tumor tissue cutting section 105 has substantially the same area as the flat portion of the base section 101c, and has the rotation operations of the cutting and rotating section 105d and the second operation handle section 103 as the rotation center in the Z direction in fig. 3. An open and closed cutting body portion 105c is provided. Incidentally, as shown in fig. 1, a cutting rotary 105e having a cutting connecting portion 105f is extended and formed at one end side of the cutting main body portion 105 c. In the cutting rotary 105e, a long hole is formed so that the cutting link 105f can move. The cut connecting portion 105f is configured to be movable relative to the long hole, whereby the cut body portion 105c performs a cutting action in accordance with a rotating operation of the second operating handle portion 103 under the transmission of the transmission lever portion 107. It can be opened and closed in the Z direction in fig. 3 with the pivot portion 105d as the pivot center.

As shown in fig. 3, a cutting ring portion 105b having substantially the same shape as the inclined end surface portion 101b is formed on the other end side of the cutting body portion 105 c. The cut opening 105a is formed in the cut ring portion 105b so that the area can become slightly smaller than the end-face side opening 101 a. Therefore, by providing the area difference between the diameter of the end-face side opening 101a and the diameter of the cutting opening 105a, the tumor tissue adheres to the suction opening 104 at the time of suction, and even if the temporary suction opening 104 is blocked, the adhered tumor tissue can be severed and re-sucked together with the opening/closing operation of the cutting main body portion 105 c.

Further, as shown in fig. 1 and 4, an illumination unit 116 is provided in the main body portion 101 of the oral tumor tissue harvester 100 according to the present embodiment. The illumination unit 116 includes a light emitting element 116a such as an LED (light emitting diode) and a condenser lens, and includes a light guide portion 116b for guiding light from the light emitting element 116a to the hollow portion 106, and a dry battery or the like. The light emitting element 116a includes a power supply unit 116c that supplies driving power to the light emitting element 116a and a switch 116d for turning on and off light emission of the light emitting element 116 a. As described above, by providing the illumination unit 116 with respect to the main body unit 101, it is possible to radiate the light L1 to the outside through the suction port 104 while there is no liquid in the hollow portion 106. It can brightly illuminate the surgical field. The lighting unit 116 may be configured to be removable from the main unit 101 as needed.

Therefore, the utility model provides an oral cavity tumour tissue ware of drawing materials both can provide the illumination at the oral cavity tumour tissue in-process of drawing materials, forms the clear bright field of vision, is convenient for look for the cutting focus position, simultaneously, and the operation of drawing materials of the oral cavity depths of being convenient for of deep main part unit 101, cutting device are convenient for organize the cutting, and absorbing device is convenient for the collection of the tissue sheet after cutting down simultaneously, very big improvement the convenience and the efficiency of the work of drawing materials of oral cavity tumour tissue.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. An oral tumor tissue sampler, comprising a body part formed in a rod shape, the body part having a hollow part and a longitudinal end of the body part;

2. The oral tumor tissue sampler of claim 1, wherein the second operating handle is configured to rotate about the pivot portion relative to the first operating handle.

3. The oral tumor tissue sampler as recited in claim 2, wherein the drive rod portion is connected to a distal side of the second operating handle via a connecting portion, and the drive rod is associated with a pivoting operation of the second operating handle portion relative to the first operating handle portion.

4. The oral tumor tissue sampler as claimed in claim 1, wherein a storage portion for storing the tumor tissue sheet sucked through the suction port portion and the hollow portion is provided at a rear portion of the second operating handle portion.

5. The oral tumor tissue sampler as claimed in claim 4, wherein the storage portion comprises a storage cover portion directly fixed to the rear of the second operating handle portion, an engaging portion formed on an inner wall of the storage cover portion, and an engaging portion.

6. The oral tumor tissue sampler of claim 5, wherein the storage portion further comprises a storage body configured to be attachable to and detachable from the storage cover.

7. The oral tumor tissue sampler as claimed in claim 1, further comprising an illumination unit disposed on the body portion, the illumination unit including a light emitting element and including a light guide portion for guiding light from the light emitting element to the hollow portion.

8. The oral tumor tissue sampler as claimed in claim 7, wherein the illumination unit comprises a power supply unit for supplying driving power to the light emitting element and a switch for controlling the light emitting element to turn on or off.