CN216603251U - A strabismus forceps for quantitative measurement of extraocular muscle strength - Google Patents

Abstract

A strabismus forceps for quantitative measurement of extraocular muscle strength, comprising a handle, a tension display module is connected to the handle, a fixed end is connected to the front end of the handle, the fixed end and the handle are movably matched along the handle axis, and the handle is provided with a piezoresistance The piezoresistive sensor is connected to the fixed end, and the piezoresistive sensor is electrically connected to the tension display module, which solves the problem that the evaluation of the extraocular muscle function in the prior art is too affected by external factors, and the noninvasive quantitative measurement of the extraocular muscle Muscle contraction force and tension, incorporate the patient's extraocular muscle strength data into the surgical design, and finally generate the best surgical plan, which is convenient for doctors to read and record muscle strength data, and evaluate the extraocular muscle function, so it can reduce the risk of strabismus surgery for doctors Relying on experience, so as to promote the quantitative operation of strabismus surgery in the industry.

Description

A strabismus forceps for quantitative measurement of extraocular muscle strength

technical field

The utility model relates to the technical field of strabismus treatment equipment, in particular to a strabismus forceps for quantitative measurement of extraocular muscle strength.

Background technique

With the development of society and the improvement of economic level, the traditional biomedical model is declining, and the bio-psychological-social medical model has emerged and grown. In this mode, the patient's treatment process for the disease is affected by the disease itself and the "psychological" and "social" factors of the patient; for medical staff, the "trauma" or no "trauma" is minimized during the measurement process. "Measurement and accurate quantitative measurement and easy reading are the highest goals it pursues in measurement.

At present, eye movement examination and stretch test are indirect ways to assess extraocular muscle function, relying heavily on the experience and judgment of the examiner, and the examination results are susceptible to external interference; eye movement examination is a non-quantitative and non-direct examination of extraocular muscles The method of muscle function can indirectly judge the function of extraocular muscles by examining the amplitude of eye movement. However, the test is difficult to quantify accurately, is greatly affected by the patient's attention and cooperation, and has poor repeatability among different examiners. The stretch test is also a commonly used clinical method to evaluate the function of the extraocular muscles. The strength and tension of the extraocular muscles are judged by the examiner’s perception of the strength of the stretch in the active stretch test and the passive stretch test, respectively. Quantitative. The above methods for examining extraocular muscle function rely heavily on the experience and judgment of the examiners, and the consistency between different examiners is poor.

In the past, there has been a method to directly measure the muscle strength of the extraocular muscle by connecting the trochlear and the elastometer to the disconnected extraocular muscle during surgery, but this method can only be used in surgery and is not convenient for routine clinical examination. There is also a method of measuring extraocular muscle strength by connecting the transducer with forceps to clamp the limbus, but it is not easy to operate and has not been used clinically. The existing patent of 201710025506.1 has low detection precision, and the integration of its electronic components is not convenient for disinfection by common clinical methods.

SUMMARY OF THE INVENTION

In order to solve the technical defects existing in the prior art, the utility model provides a strabismus forceps for quantitative measurement of extraocular muscle strength.

The technical solution adopted by the utility model is: a strabismus forceps for quantitative measurement of extraocular muscle strength, comprising a handle, a tension display module is connected to the handle, a fixed end is connected to the front end of the handle, and the handle is connected with a fixed end. A piezoresistive sensor is arranged in the handle, the piezoresistive sensor is connected with the fixed end, and there is an electrical connection between the piezoresistive sensor and the tension display module. connect.

The fixed end includes a claw structure and a connecting portion, the claw structure is fixedly installed on the connecting portion, the handle includes a casing, the piezoresistive sensor is arranged in the casing, and the pressure The resistance sensor and the connecting part are fixedly connected, the front end of the casing forms a chute, and the connecting part is arranged in the chute and slidingly cooperates with the chute.

The connecting part is provided with a connecting groove, the housing is provided with a fixing groove, and the piezoresistive sensor is respectively fixedly connected with the connecting groove and the fixing groove.

Both the connecting groove and the fixing groove are provided with threads, and the piezoresistive sensor is respectively connected with the connecting groove and the fixing groove by a thread.

The front end of the connecting portion is provided with a slot and an installation slot, and the claw structure is inserted into the slot and fixed by screws in the installation slot.

The clamping claw structure is composed of an upper tweezers claw and a lower tweezers claw, a lock is also arranged between the upper tweezers and the lower tweezers, the lock is fixedly installed on the inner side of the upper tweezers, the The lower tweezers are provided with a limit groove adapted to the lock catch, and the lock catch and the limit groove are limited and matched.

The locking buckle includes a fixed end arranged parallel to the upper tweezers claw and a bent limit end, the top of the limit end is provided with a convex block, and the convex block and the limit groove are in limited cooperation.

The tension display module and the handle are detachably connected.

The tension display module and the handle are inserted through the male and female joints and then screwed together and connected to the circuit of the piezoresistive sensor.

The beneficial effects of the utility model are as follows: the utility model provides a strabismus forceps for quantitative measurement of extraocular muscle strength, which comprises a handle, a tension display module is connected to the handle, a fixed end is connected to the front end of the handle, and the fixed end and the handle are connected between the fixed end and the handle. A piezoresistive sensor is arranged in the handle, the piezoresistive sensor is connected to the fixed end, and the piezoresistive sensor is electrically connected to the tensile force display module, which solves the problem that the evaluation of extraocular muscle function in the prior art is too limited. For problems affected by external factors, non-invasive quantitative measurement of extraocular muscle contraction force and tension, incorporating the patient's extraocular muscle strength data into surgical design, and finally generating the best surgical plan, which is convenient for doctors to read and record muscle strength data, Assess the function of the extraocular muscles, thus reducing the dependence of strabismus surgery on the doctor's experience, thereby promoting the quantification of strabismus surgery in the industry.

Description of drawings

Fig. 1 is the structural schematic diagram of the strabismus forceps for muscle strength testing of the present utility model.

Figure 2 is a schematic diagram of the cross-sectional structure of the strabismus forceps for muscle strength testing of the utility model.

FIG. 3 is a schematic structural diagram of the strabismus forceps for muscle strength testing of the present invention.

4 is an enlarged view of the structure of the jaws of the strabismus forceps for muscle strength testing of the present invention.

Among them, 1-handle, 2-piezoresistive sensor, 3-jaw structure, 4-connection, 11-shell, 12-chute, 13-fixing groove, 31-lock, 32-limiting groove, 41 - Connection slot, 42-screws.

Detailed ways

The present utility model will now be further described with reference to Fig. 1 and Fig. 2. A strabismus forceps for quantitative measurement of extraocular muscle strength comprises a handle 1, and the handle 1 is connected with a tension display module, and the front end of the handle 1 is connected to There is a fixed end, the fixed end and the handle 1 are movably matched along the axis of the handle 1, the handle 1 is provided with a piezoresistive sensor 2, and the piezoresistive sensor 2 is connected with the fixed end, so The tension display module described above is detachably connected to the handle 1 . The tension display module and the handle 1 are inserted into the handle 1 through the male and female joints and then screwed together and connected to the circuit of the piezoresistive sensor 2 . The piezoresistive sensor 2 is electrically connected with the tension display module. The fixed end includes a claw structure 3 and a connecting portion 4, the claw structure 3 is fixedly installed on the connecting portion 4, the handle 1 includes a housing 11, and the piezoresistive sensor 2 is arranged on the connecting portion 4. Inside the casing 11 , the piezoresistive sensor 2 is fixedly connected with the connecting part 4 , the front end of the casing 11 forms a chute 12 , and the connecting part 4 is arranged in the chute 12 and is connected with the chute 12 slip fits.

The connecting portion 4 is provided with a connecting groove 41 , the housing 11 is provided with a fixing groove 13 , and the piezoresistive sensor 2 is fixedly connected to the connecting groove 41 and the fixing groove 13 respectively.

The connecting groove 41 and the fixing groove 13 are both provided with threads, and the piezoresistive sensor 2 is respectively connected with the connecting groove 41 and the fixing groove 13 by a thread.

The front end of the connecting portion 4 is provided with a slot and an installation slot, and the claw structure 3 is inserted into the slot and fixed by screws 42 in the installation slot. The clamping claw structure 3 is composed of an upper tweezers claw and a lower tweezers claws, a lock 31 is also arranged between the upper tweezers and the lower tweezers, and the locks 31 are fixedly installed on the inner side of the upper tweezers. , the lower tweezer claw is provided with a limit groove 32 that is adapted to the lock catch 31 , and the lock catch 31 and the limit groove 32 are limited and fit. The lock 31 includes a fixed end parallel to the upper tweezers claw and a bent limit end. The top of the limit end is provided with a bump, and the bump and the limit groove 32 limit the position. Cooperate.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplified description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

Note to all technicians: Although the present utility model has been described according to the above-mentioned specific embodiments, the utility model idea of the present utility model is not limited to this utility model, and any modification using the present utility model idea will be incorporated into the patent right of this patent. within the scope of protection.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (9)

1. A strabismus forceps for quantitative measurement of extraocular muscle strength, comprising a handle (1), wherein the handle (1) is connected with a tension display module, and the front end of the handle (1) is connected with a fixed The fixed end and the handle (1) are movably fitted in the axial direction of the handle (1), the handle (1) is provided with a piezoresistive sensor (2), and the piezoresistive sensor ( 2) Connected with the fixed end, the piezoresistive sensor (2) is electrically connected with the tension display module. 2. The strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 1, wherein the fixed end comprises a claw structure (3) and a connecting portion (4), and the claw structure (3) It is fixedly installed on the connecting part (4), the handle (1) includes a casing (11), the piezoresistive sensor (2) is arranged in the casing (11), and the pressure The resistive sensor (2) is fixedly connected with the connecting part (4), the front end of the casing (11) forms a chute (12), and the connecting part (4) is arranged in the chute (12) and Sliding fit with the chute (12). 3. A strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 2, characterized in that the connecting portion (4) is provided with a connecting groove (41), and the housing (11) A fixing groove (13) is provided inside, and the piezoresistive sensor (2) is respectively fixedly connected with the connecting groove (41) and the fixing groove (13). 4. A strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 3, wherein the connecting groove (41) and the fixing groove (13) are provided with threads, and the piezoresistive The sensor (2) is screwed with the connecting groove (41) and the fixing groove (13) respectively. 5. A strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 2, wherein the front end of the connecting portion (4) is provided with a slot and a mounting groove, and the claw structure ( 3) Insert it into the slot and fix it with the screws (42) in the installation slot. 6. A strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 2, wherein the jaw structure (3) is composed of an upper forceps claw and a lower forceps forceps, and the upper forceps There is also a lock (31) between the lower tweezers and the lower tweezers, the lock (31) is fixedly installed on the inner side of the upper tweezers, and the lower tweezers are provided with a lock (31). A limit slot (32), the lock catch (31) and the limit slot (32) are in limit fit. 7 . The strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 6 , wherein the locking buckle ( 31 ) comprises a fixed end parallel to the upper forceps claw and a bent limit end , the top of the limit end is provided with a convex block, and the convex block and the limit groove (32) are limited and matched. 8 . The strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 1 , wherein the pulling force display module and the handle ( 1 ) are detachably connected. 9 . 9 . The strabismus forceps for quantitative measurement of extraocular muscle strength according to claim 8 , wherein the tension display module and the handle ( 1 ) are inserted through male and female joints and then screwed together and connected to the circuit of the piezoresistive sensor (2).

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