CN211187786U

CN211187786U - Otology operation is with removable aspirator

Info

Publication number: CN211187786U
Application number: CN201921154533.XU
Authority: CN
Inventors: 刘建国; 张石如
Original assignee: Hangzhou Keruite Medical Equipment Co ltd
Current assignee: Hangzhou Keruite Medical Equipment Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-08-07
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to an otology operation is with can unloading aspirator, including handle (1) and aspirator head (2), establish aspirator straight tube (3) on aspirator head (2), the relative shank of the handle head is bent 40, internal thread (1.1) and interior conical surface (1.2) are established to the handle head front portion, external screw thread (2.1) and external cone face (2.2) are established to aspirator head (2) rear portion, internal thread (1.1) and external screw thread (2.1) are M7 three-head screw thread, pitch 3mm, the spiral depth 0.4mm, the number of turns 1.3, interior conical surface (1.2) and external cone face (2.2) front end diameter are 5.4mm, the rear end diameter is 5mm, length is 4mm, it practices thrift the energy consumption, the person of facilitating the operation, improve operation efficiency.

Description

Otology operation is with removable aspirator

Technical Field

The utility model belongs to the technical field of medical instrument, a suction apparatus for otology operation is related to, concretely relates to otology operation is with removable suction apparatus.

Background

The ear microsurgery is an open operation under a microscope, in order to avoid the hands of an operator and a handle of an aspirator from shielding the visual field, the aspirator for the ear surgery is mostly of a bent conjoined structure or a bent pipe body and a straight handle split structure, and one operation needs to be provided with a plurality of sets of aspirators with different specifications. Simultaneously, can produce a large amount of bone meal in the ear microsurgery, for preventing that the bone meal flies upward and for the cooling of electric drill bistrique then need constantly fill liquid, for guaranteeing the clarity of art field, the liquid that injects need attract at any time again cleanly. The use of the suction apparatus in the otology operation is accompanied with the whole operation process, and the suction apparatus with various specifications needs to be replaced in the operation according to different operation conditions, and the replacement frequency is also very high.

Therefore, as a plurality of sets of suction apparatuses with different specifications are required to be configured in one operation, the energy consumption is increased. Meanwhile, the liquid and the bone meal are mixed and then easily block a bent part of the aspirator, and after the aspirator below 1.5mm is blocked, the metal wire harness is too thin and too soft to pass through the bent part, so that the dredging efficiency is low, and the operation progress is influenced; and the water pressure impact of the injector reduces the dredging efficiency and increases the ineffective operation time. Moreover, because the suction apparatus of different specifications need be changed at a high frequency in the art, change at every turn and pull out and insert between the negative pressure pipe, it is inconvenient to change, has increased invalid operation time.

In view of the above technical defects in the prior art, it is urgently needed to develop a novel detachable aspirator for otology operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming that exists among the prior art, provide an otology operation is with removable aspirator, it can practice thrift the energy consumption, makes things convenient for the doctor to perform the operation, improves operation efficiency.

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

a detachable aspirator for an otology operation comprises a handle and is characterized by further comprising an aspirator head detachably connected with the handle, wherein an aspirator straight tube is arranged on the aspirator head, the handle comprises a handle head and a handle body, the handle head is bent 40 degrees relative to the handle body, an internal thread is arranged at the front part of the handle head, an internal conical surface is arranged at the rear part of the internal thread, an external thread matched with the internal thread and an external conical surface matched with the internal conical surface are arranged at the rear part of the aspirator head, the internal thread and the external thread are M7 three-head threads, the thread pitch is 3mm, the thread depth is 0.4mm, the number of turns is 1.3, the front end diameter of the internal conical surface and the external conical surface is 5.4mm, the rear end diameter is 5mm, the length is 4mm, the aspirator straight tube is 80mm, and the diameter is 0.5mm, 0.8mm, 1mm, 1.5mm, 2mm and the number of the aspirator straight tube is 1.3 mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm, and when the diameter is 0.5mm, the wall thickness is 0.1mm, when the diameter is 0.8mm, 1mm or 1.5mm, the wall thickness is 0.15mm, when the diameter is 2mm or 2.5mm, the wall thickness is 0.2mm, when the diameter is 3mm, 3.5mm, 4mm or 4.5mm, the wall thickness is 0.3mm, when the diameter is 5mm, the wall thickness is 0.35mm

Further, the length of the crown is 13mm, and the length of the handle body is 60 mm.

Further, the diameter of the front end of the crown is 8.4mm, and the diameter of the rear end of the crown is 5.2 mm.

Still further, wherein, the upper and lower both sides in the middle of the handle body are equipped with the concave surface.

Further wherein the length of the aspirator tip is 10.5 mm.

Further, a crown hole communicated with the through hole in the shank body is formed in the rear portion of the crown.

Furthermore, a first through hole communicated with the handle head hole is formed in the rear portion of the aspirator head, a second through hole communicated with the straight aspirator tube is formed in the front portion of the aspirator head, and the first through hole is communicated with the second through hole.

Finally, wherein the aspirator head is integral with the aspirator straight tube.

Compared with the prior art, the utility model discloses an otology operation is with removable aspirator has following beneficial technological effect:

1. the requirement of the whole operation process can be met by one set of suction apparatus, and the energy consumption is reduced;

2. the blocking probability is reduced, the effective and quick dredging effect after blocking is improved, and the operation time is shortened;

3. realizes the quick replacement of the suction apparatuses with different specifications in the operation and improves the operation efficiency.

Drawings

Fig. 1 is a schematic view of the detachable suction apparatus for otology operation of the present invention.

Fig. 2 is a schematic view of a handle of the detachable suction unit for otology operation of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is a schematic view of the suction unit head of the detachable suction unit for otology operation of the present invention.

Fig. 6 is a sectional view a-a of fig. 5.

Fig. 7 is a schematic view of various aspirator tips and an aspirator straight tube of the removable aspirator for otology surgery according to the present invention.

Detailed Description

The present invention is further described with reference to the following drawings and examples, which are not intended to limit the scope of the present invention.

Fig. 1 is a schematic view of the detachable suction apparatus for otology operation of the present invention. As shown in figure 1, the removable suction apparatus for otology operation of the utility model comprises a handle 1 and a suction apparatus head 2 which is detachably connected with the handle 1. The aspirator head 2 is provided with an aspirator straight tube 3. Wherein, the handle 1 is used for holding by an operator in an operation. The aspirator tip 2 is adapted to be removably attached to the handle 1 for easy replacement. The aspirator straight tube 3 is used for aspirating liquid in surgery.

Fig. 2 is a schematic view showing a handle of the detachable suction unit for otology operation of the present invention. As shown in fig. 1 and 2, in the present invention, the handle 1 includes a crown and a stem and the crown is bent by 40 ° with respect to the stem. That is, the crown is angled at 40 ° relative to the stem. Thus, the hands of the operator and the suction apparatus handle can be prevented from blocking the visual field.

The crown is connected to the aspirator tip 2. The handle body is provided with a through hole, and the tail part of the handle body is connected with a negative pressure pipe so as to be connected with a negative pressure source through the negative pressure pipe, thereby generating negative pressure.

Preferably, the crown has a length of 13 mm. The length of the handle body is 60 mm. More preferably, the upper and lower sides of the middle of the handle body are provided with concave surfaces. Therefore, the suction head with different specifications can be connected at will, and the requirements of the whole operation process are met.

As shown in fig. 3 and 4, in the present invention, the front portion of the crown is provided with an internal thread 1.1. The rear part of the internal thread 1.1 is provided with an internal conical surface 1.2.

Meanwhile, as shown in fig. 5 and 6, the rear part of the aspirator head 2 is provided with an external thread 2.1 matched with the internal thread 1.1 and an external conical surface 2.2 matched with the internal conical surface 1.2. The handle 1 and the aspirator head 2 are detachably connected together through the internal thread 1.1 and the external thread 2.1.

Wherein the internal thread 1.1 and the external thread 2.1 are M7 three-head threads, the thread pitch is 3mm, the thread depth is 0.4mm, and the number of turns is 1.3. By adopting the threaded connection, when the aspirator head 2 is assembled and disassembled, the aspirator can be locked and disassembled only by rotating 0.4 circle, thereby realizing the quick replacement of aspirators with different specifications in the operation and improving the operation efficiency.

The front end diameter of the inner conical surface 1.2 and the outer conical surface 2.2 is 5.4mm, the rear end diameter is 5mm, and the length is 4 mm. After the suction head 2 and the handle 1 are assembled together with the internal thread 1.1 and the external thread 2.1, the internal conical surface 2.1 and the external conical surface 2.2 can realize zero-matching seamless butt joint, and ensure that waste liquid cannot seep out.

In the present invention, preferably, the crown has a front end with a diameter of 8.4mm and a rear end with a diameter of 5.2 mm. More preferably, the length of the aspirator tip 2 is 10.5 mm.

The length of the straight tube 3 of the aspirator is 80mm, and the diameter is 0.5mm, 0.8mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5 mm. And 0.5mm in diameter, 0.1mm in wall thickness, 0.8mm, 1mm or 1.5mm in diameter, 0.15mm in wall thickness, 2mm or 2.5mm in diameter, 0.2mm in wall thickness, 3mm, 3.5mm, 4mm or 4.5mm in diameter, 0.3mm in wall thickness, and 0.35mm in wall thickness when 5mm in diameter. Because the straight aspirator tube is adopted, the probability of blockage of the straight aspirator tube can be greatly reduced. Meanwhile, for a straight pipe of the aspirator with the diameter of 0.5mm, the wall thickness is 0.1mm, and for a straight pipe of the aspirator with the diameter of 0.8mm, the wall thickness is 0.15mm, and the straight pipe can be directly dredged by a metal poker with the thickness of 0.3mm even after being blocked; for a straight tube of the suction apparatus with the diameter of 1mm or 1.5mm, the wall thickness is 0.15mm, and a metal poker with the diameter of 0.7mm can be used for direct dredging even after blockage; for straight aspirator tubes with a diameter of 2mm or 2.5mm, the straight aspirator tubes with a diameter of 0.2mm can be directly dredged by metal poker with a diameter of 0.8mm even after blockage due to the wall thickness of 0.2mm, for straight aspirator tubes with a diameter of 3mm, 3.5mm, 4mm or 4.5mm, the straight aspirator tubes with a diameter of 5mm can be directly dredged by metal poker with a diameter of 1.5mm even after blockage due to the wall thickness of 0.3 mm. Thus, the rapid and convenient dredging is realized, and the operation time is shortened.

Furthermore, in the present invention, the rear portion of the crown is provided with a crown hole 1.3 communicating with the through hole in the shank. And the rear part of the aspirator head 2 is provided with a first through hole 2.3 communicated with the handle head hole 1.3, and the front part is provided with a second through hole 2.4 communicated with the aspirator straight pipe 3. The first through hole 2.3 is communicated with the second through hole 2.4. In this way, the straight aspirator tube 3 can be the same as a negative pressure tube through the aspirator head 2 and handle 1 to aspirate the liquid under operation under the action of a negative pressure source.

Finally, in the present invention, it is preferable that the aspirator head 2 is integral with the aspirator straight tube 3.

Further, as shown in fig. 7, before the operation, an aspirator straight tube and an aspirator head having different diameters are prepared as an integrated body. In the operation, when straight tubes of suction apparatuses with different diameters are adopted as required, the suction apparatus head is screwed and replaced quickly. Therefore, the negative pressure tube does not need to be pulled out and inserted when being replaced each time, the replacement is convenient, and the operation time is reduced

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. A detachable aspirator for an otology operation comprises a handle (1) and is characterized by further comprising an aspirator head (2) detachably connected with the handle (1), wherein an aspirator straight tube (3) is arranged on the aspirator head (2), the handle (1) comprises a handle head and a handle body, the handle head is bent 40 degrees relative to the handle body, an internal thread (1.1) is arranged at the front part of the handle head, an internal conical surface (1.2) is arranged at the rear part of the internal thread (1.1), an external thread (2.1) matched with the internal thread (1.1) and an external conical surface (2.2) matched with the internal conical surface (1.2) are arranged at the rear part of the aspirator head (2), the internal thread (1.1) and the external thread (2.1) are M7 three-thread, the thread pitch is 3mm, the thread depth is 0.4mm, the number of turns is 1.3, and the diameters of the front ends of the internal conical surface (1.2) and the external conical surface (2.2) are 5.4mm, The rear end diameter is 5mm, the length is 4mm, the length of aspirator straight tube (3) is 80mm, the diameter is 0.5mm, 0.8mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm, and when the diameter is 0.5mm, the wall thickness is 0.1mm, when the diameter is 0.8mm, 1mm or 1.5mm, the wall thickness is 0.15mm, when the diameter is 2mm or 2.5mm, the wall thickness is 0.2mm, when the diameter is 3mm, 3.5mm, 4mm or 4.5mm, the wall thickness is 0.3mm, when the diameter is 5mm, the wall thickness is 0.35 mm.

2. The detachable suction apparatus for otology surgery as set forth in claim 1, wherein the length of the crown is 13mm and the length of the stem is 60 mm.

3. The detachable suction apparatus for otology surgery as set forth in claim 2, wherein the crown has a front end with a diameter of 8.4mm and a rear end with a diameter of 5.2 mm.

4. The detachable suction apparatus for otology operation as claimed in claim 3, wherein concave surfaces are provided on both upper and lower sides of the middle of the handle body.

5. The removable suction unit for otology surgery according to claim 4, characterized in that the length of the suction unit head (2) is 10.5 mm.

6. Removable suction unit for otological operations according to any one of claims 1 to 5, characterized in that the rear part of the crown is provided with a crown hole (1.3) communicating with the through hole in the shank.

7. The removable suction apparatus for otology operation as claimed in claim 6, wherein the rear part of the suction apparatus head (2) is provided with a first through hole (2.3) communicated with the handle head hole (1.3), the front part is provided with a second through hole (2.4) communicated with the suction apparatus straight tube (3), and the first through hole (2.3) is communicated with the second through hole (2.4).

8. Removable aspirator for otological surgery, according to claim 7, characterised in that the aspirator head (2) is integral with the straight aspirator tube (3).