CN106880440B

CN106880440B - An ophthalmic plate tweezers

Info

Publication number: CN106880440B
Application number: CN201710209985.2A
Authority: CN
Inventors: 朱思泉; 赵阳
Original assignee: Beijing Tongren Hospital
Current assignee: Beijing Tongren Hospital
Priority date: 2017-03-31
Filing date: 2017-03-31
Publication date: 2019-04-19
Anticipated expiration: 2037-03-31
Also published as: CN106880440A

Abstract

The invention discloses a kind of board-like tweezers of ophthalmic, the upper tweezer plate and lower tweezer plate being fixedly connected including connecting pin, there are angles between the upper tweezer plate and the lower tweezer plate, the front of motor of the upper tweezer plate and the lower tweezer plate is bent respectively to form tweezer head and lower tweezer head upwards, the length of the upper tweezer plate is less than the length of the lower tweezer plate, and the upper tweezer head is less than the angle of the lower tweezer head and the lower tweezer plate with the angle of the upper tweezer plate；The bottom of the upper tweezer head is equipped with the first blade along the outer of the upper tweezer head, and first blade is vertical with the plane where the upper tweezer head.The present invention can use the incision suitable depth of conjunctive bulbi of the lower tweezer plate with horizontal knife, then the conjunctiva of appropriate size piece is planted using the upper tweezer plate with vertical blade to cut, so that medical staff may be implemented a hand and complete the operation for taking conjunctiva to plant piece, simplify surgical procedure.

Description

A kind of board-like tweezers of ophthalmic

Technical field

The present invention relates to a kind of medical instrument, more specifically a kind of board-like tweezers of ophthalmic.

Background technique

Pteryium is that a kind of ophthalmology common disease and frequently-occurring disease, Chinese medicine claim " pterygium ", is commonly called as " flesh of fish ".It is generally acknowledged that It is irritated by the external world caused by a kind of chronic inflammation lesion, simple eye or eyes are violated, because of the cruel insectival wing of its shape Wing is therefore named.For a kind of redundant tissue on fissura palpebrae portion bulbar conjunctiva and cornea, increasingly increase after invading cornea, or even can cover to pupil Area and seriously affect eyesight.It is that denaturation, plump, hyperplasia are occurred by fissura palpebrae portion bulbar conjunctiva and subconjunctival tissue, then into cornea Development.Patient is affected vision due to pteryium in order to prevent, and treatment method best at present is excision of pterygium, operation After cutting away the triangular mass of mucous membrane growing from the inner corner of the eye, to pass through seam from taking agllutination film plant piece (being exactly a tunic tissue of eyeball surface) to move past elsewhere Close the exposed surface of a wound after covering in excision.But currently used method is that doctor is directly cut with scissors, the disadvantage is that surgical procedure It is slow, and be manually not easy to obtain the neat plant piece of rule, the bad standardization of size.Even if using some auxiliary Utensil is helped to help doctor that conjunctiva is taken to plant piece, generally medical staff's both hands is still needed in the process during surgery while operating auxiliary Equipment and surgical apparatus, very inconvenient in actual mechanical process, the whole high-pressure of the spirit of medical staff, it is easy to cause to suffer from The unnecessary damage of person.

Summary of the invention

In order to solve above-mentioned existing excision of pterygium lean on completely the operation of doctor's both hands with operating scissors manually take plant piece, Spiritual high-pressure be easy to cause the problems such as patient's unnecessary damage, and the present invention provides a kind of ophthalmology tweezers, and concrete scheme is such as Under:

A kind of ophthalmology tweezers, the upper tweezer handle being fixedly connected including connecting pin and lower tweezer handle, the upper tweezer handle and the lower tweezer Angle is showed between handle, it is characterised in that: the front of motor of the upper tweezer handle and the lower tweezer handle distinguish upwards by bending Tweezer plate and lower tweezer plate in formation, the length of the upper tweezer handle are less than the length of the lower tweezer handle, the upper tweezer plate and the upper tweezer The angle of handle be less than the lower tweezer plate and the lower tweezer handle angle, the projected area of the upper tweezer plate in the horizontal plane be less than or Equal to the projected area of the lower tweezer plate in the horizontal plane；The bottom of the upper tweezer plate is equipped with first along the outer of the upper tweezer plate Blade, first blade are vertical with the plane where the upper tweezer plate.

Further, cutter groove corresponding with first blade is offered on the lower tweezer plate, the cutter groove width is institute 3-5 times for stating the first blade thickness guarantees row knife width, so that will not make in the course of surgery to the conjunctiva beside operative site It is damaged at tearing.

Further, the outer of the upper tweezer plate is surrounded with knife cylinder, the inner wall of the knife cylinder and first blade contact, The barrel of the knife cylinder is vertical with the plane where the upper tweezer plate；The position of corresponding upper tweezer handle opens up on the barrel of the knife cylinder There are groove, axial direction arrangement of the groove along the knife cylinder.It is set between the upper plane of the upper tweezer plate and the upper limb of the knife cylinder Flexible spring guarantees that the first blade is located in knife cylinder, prevents the damage of colliding with of blade in the non-use state；Using shape Under state, as the first blade moves down, knife cylinder can push down the conjunctive bulbi of operative site in the effect of elastomeric spring, make operative site Conjunctive bulbi compress, prevent that other positions are caused to damage.

Further, the lower edge of the knife cylinder turns down outward forms pressing ring, and pressing ring compresses conjunctive bulbi for knife cylinder.

Further, the lower tweezer plate is equipped with the second blade along the lower tweezer plate outer rim arrangement, second blade position Plane where the lower tweezer plate, can be cut directly into conjunctive bulbi convenient for lower tweezer plate, be further simplified operating procedure.

Further, the upper tweezer plate and the lower tweezer plate are shaped to the globoidal structure that center raises upward, so that its More meet the structure of eyeball, guarantees surgical effect.

Further, several through-holes are offered on the upper tweezer plate, is planted convenient for the postoperative conjunctiva cut by upper tweezer handle that takes out Piece.

The beneficial effects of the present invention are a kind of ophthalmology tweezers proposed by the present invention can use with horizontal knife Lower tweezer handle cuts the suitable depth of conjunctive bulbi, and the conjunctiva of appropriate size is then planted piece using the upper tweezer handle with vertical blade It cuts；So that medical staff may be implemented a hand and complete the operation for taking conjunctiva to plant piece, simplify surgical procedure, and due to vertical Blade is externally provided with knife cylinder, and conjunctiva can be compressed by cutting when conjunctiva plants piece in vertical blade, prevents from causing patient unnecessary Damage.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；

Fig. 2 is the structural schematic diagram of tweezer handle in the embodiment of the present invention 1；

Fig. 3 is the structural schematic diagram of the lower tweezer handle of the embodiment of the present invention 1；

Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2；

Fig. 5 is the lower tweezer handle structural schematic diagram of the embodiment of the present invention 2；

Fig. 6 is the structural schematic diagram of the embodiment of the present invention 3；

Fig. 7 is the knife cylinder schematic diagram of internal structure of the embodiment of the present invention 3.

Figure number and title: 1, upper tweezer handle, 2, lower tweezer handle, 3, upper tweezer plate, 4, lower tweezer plate, the 5, first blade, 6, through-hole, 7, cutter groove, the 8, second blade, 9, knife cylinder, 10, elastomeric spring, 11, pressing ring.

Specific embodiment

By the technology contents that the present invention will be described in detail, construction feature, reached purpose and efficacy, hereby enumerates embodiment below And attached drawing is cooperated to be explained in detail.

Embodiment 1

As shown in Figure 1 to Figure 3, a kind of ophthalmology tweezers, the upper tweezer handle 1 being fixedly connected including connecting pin and lower tweezer handle 2, upper tweezer There is angle between handle 1 and lower tweezer handle 2, the front of motor of upper tweezer handle 1 and lower tweezer handle 2 is bent respectively to form tweezer plate 3 upwards With lower tweezer plate 4.The length of upper tweezer handle 1 is less than the length of lower tweezer handle 2, the angle of upper tweezer plate 3 and upper tweezer handle 1 be less than lower tweezer plate 4 with The angle of lower tweezer handle 2, the projected area of upper tweezer plate 3 in the horizontal plane is equal to the projected area of lower tweezer plate 4 in the horizontal plane, when upper Upper tweezer plate 3 and lower tweezer plate 4 can be completely overlapped when tweezer handle 1 and lower tweezer handle 2 kneaded together.Upper tweezer plate 3 and lower tweezer plate 4 are equal It is shaped to the globoidal structure that center raises upward, so that its structure for more meeting eyeball, guarantees the effect of operation.

The bottom of upper tweezer plate 3 is equipped with the first blade 5 along the outer of upper tweezer plate 3 as depicted in figs. 1 and 2, the first blade 5 with it is upper Plane where tweezer plate 3 is vertical, and when upper tweezer handle 1 and lower tweezer handle 2 kneaded together, the first blade 5 can cut specified The conjunctiva of size plants piece.Several through-holes 6 are offered on upper tweezer plate 3, it is postoperative to can use what physiological saline cut the first blade 5 Conjunctiva is planted piece and is gone out, and prevents conjunctiva from planting the bottom that piece is adhered to tweezer plate 3.

Embodiment 2

In conjunction with shown in Fig. 4 and Fig. 5, embodiment 2 the difference from embodiment 1 is that: the upper perspective plane of tweezer plate 3 in the horizontal plane Product is less than the projected area of lower tweezer plate 4 in the horizontal plane, offers cutter groove 7 corresponding with the first blade 5, cutter groove 7 on lower tweezer plate 4 Width is 3-5 times of the first blade thickness, guarantees row knife width, so that in the course of surgery will not be to the knot beside operative site Film causes tearing to damage.Lower tweezer plate 4 is equipped with the second blade 8 arranged along lower 4 outer rim of tweezer plate, and the second blade 8 is located at lower 4 institute of tweezer plate Plane, be cut directly into lower tweezer plate 4 in conjunctive bulbi, be further simplified operating procedure.

Embodiment 3

Refering to Fig. 6 and Fig. 7, embodiment 3 the difference from embodiment 1 is that: the outer of upper tweezer plate 3 is surrounded with knife cylinder 9, knife cylinder 9 inner wall is contacted with the first blade 5, and the barrel of knife cylinder 9 is vertical with the plane where upper tweezer plate 3, and the lower edge of knife cylinder 9 turns down outward Pressing ring 11 is formed, pressing ring 11 compresses conjunctive bulbi for knife cylinder 9.The position of corresponding upper tweezer handle 1 offers ditch on the barrel of knife cylinder 9 Slot, along the axial direction arrangement of knife cylinder 9, upper tweezer handle 1 can move groove in this groove, to make tweezer plate can be in knife cylinder It moves up and down.It is equipped with elastomeric spring 10 between the upper plane of upper tweezer plate 3 and the upper limb of knife cylinder 9, guarantees in the non-use state, the One blade 5 is located in knife cylinder 9, prevents the damage of colliding with of the first blade 5；In a state of use, as the first blade 5 moves down, knife Cylinder 9 can push down the conjunctive bulbi of operative site in the effect of elastomeric spring 10, compress the conjunctive bulbi of operative site, prevent pair It causes to damage in other positions；First blade 5 continues to move down, the conjunctive bulbi until cutting corresponding position.

In conclusion not limited the scope of protection of the present invention the above is only the preferred embodiments of the invention with this, Fan Yiben Equivalent changes and modifications made by patent of invention range and description are all within the scope of the invention patent covers.

Claims

1. An ophthalmic tweezers, comprising an upper tweezer handle (1) and a lower tweezers handle (2) fixedly connected by a connecting end, and an angle exists between the upper tweezers handle (1) and the lower tweezers handle (2), It is characterized in that: the non-connecting ends of the upper tweezers handle (1) and the lower tweezers handle (2) are bent upward to form an upper tweezers plate (3) and a lower tweezers plate (4), respectively, and the upper tweezers The length of the handle (1) is smaller than the length of the lower forceps handle (2), and the included angle between the upper forceps plate (3) and the upper forceps handle (1) is smaller than the lower forceps plate (4) and the The included angle of the lower forceps handle (2), the projected area of the upper forceps plate (3) on the horizontal plane is equal to the projected area of the lower forceps plate (4) on the horizontal plane; the bottom of the upper forceps plate (3) A first blade (5) is provided along the outer edge of the upper forceps plate (3), and the first blade (5) is perpendicular to the plane on which the upper forceps plate (3) is located; the lower forceps plate (4) ) is provided with a second blade (8) arranged along the outer edge of the lower forceps plate (4), and the second blade (8) is located on the plane where the lower forceps plate (4) is located.

2 . The ophthalmic tweezers according to claim 1 , wherein the upper tweezers plate ( 3 ) and the lower tweezers plate ( 4 ) are both formed into an arc structure with an upwardly convex center. 3 .

3. An ophthalmic forceps according to claim 1, characterized in that: the upper forceps plate (3) is provided with a plurality of through holes (6).

4. An ophthalmic tweezers, comprising an upper tweezer handle (1) and a lower tweezers handle (2) that are fixedly connected by connecting ends, and an angle exists between the upper tweezers handle (1) and the lower tweezers handle (2), It is characterized in that: the non-connecting ends of the upper tweezers handle (1) and the lower tweezers handle (2) are bent upward to form an upper tweezers plate (3) and a lower tweezers plate (4), respectively, and the upper tweezers The length of the handle (1) is smaller than the length of the lower forceps handle (2), and the included angle between the upper forceps plate (3) and the upper forceps handle (1) is smaller than the lower forceps plate (4) and the The included angle of the lower forceps handle (2), the projected area of the upper forceps plate (3) on the horizontal plane is smaller than the projected area of the lower forceps plate (4) on the horizontal plane; the bottom of the upper forceps plate (3) A first blade (5) is provided along the outer edge of the upper forceps plate (3), and the first blade (5) is perpendicular to the plane on which the upper forceps plate (3) is located; the lower forceps plate (4) ) is provided with a second blade (8) arranged along the outer edge of the lower forceps plate (4), and the second blade (8) is located on the plane where the lower forceps plate (4) is located.

5. An ophthalmic forceps according to claim 4, characterized in that: the lower forceps plate (4) is provided with a knife groove (7) corresponding to the first blade (5), the knife groove (7) The width is 3-5 times the thickness of the first blade (5).

6. An ophthalmic forceps according to claim 4, characterized in that: the outer edge of the upper forceps plate (3) is surrounded by a knife barrel (9), and the inner wall of the knife barrel (9) is connected to the first A blade (5) is in contact, and the wall of the knife barrel (9) is perpendicular to the plane where the upper forceps plate (3) is located; the barrel wall of the knife barrel (9) corresponds to the upper forceps handle (1). A groove is provided at the position, the groove is arranged along the axial direction of the knife barrel (9), and an elastic is provided between the upper plane of the upper tweezers plate (3) and the upper edge of the knife barrel (9). Spring (10).

7 . The ophthalmic forceps according to claim 6 , wherein the lower edge of the knife barrel ( 9 ) is folded outward to form a pressure ring ( 11 ). 8 .

8 . The ophthalmic forceps according to claim 4 , wherein the upper forceps plate ( 3 ) and the lower forceps plate ( 4 ) are both formed into an arc structure with an upwardly convex center. 9 .

9 . The ophthalmic forceps according to claim 4 , wherein a plurality of through holes ( 6 ) are opened on the upper forceps plate ( 3 ). 10 .