CN215018438U

CN215018438U - Rongeur with swingable head end

Info

Publication number: CN215018438U
Application number: CN202120375452.3U
Authority: CN
Inventors: 刘铁龙; 张家豪; 郭凯; 王静; 邹薇薇; 张丹; 董召栋; 赵国珍; 曹佳实; 倪祥之; 颜吉捷; 黄星; 江礼俊; 曹爽; 章林祥; 信保全; 白广建
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-07
Anticipated expiration: 2031-02-04

Abstract

The invention relates to rongeur with a swingable head end, which comprises a fixed handle, a movable handle, a sleeve, a guy cable, clamp jaws and a swinging device, wherein the handles are connected through a pin shaft I, the swinging device is arranged at the upper end of the fixed handle, the swinging device mainly comprises a gear, a rack, a push-pull piece and a safety rod, the gear and the rack are meshed with each other, one end of the rack, which is far away from the gear, is connected with the sleeve III through the push-pull piece, the safety rod can clamp or release the gear and push the rotatable gear forwards, the sleeve I and the sleeve III are connected through a pin shaft II, the two clamp jaws are arranged in the sleeve III, the outer ends of the tail parts of the clamp jaws are respectively connected with the front end of the guy cable, the guy cable passes through a guy cable channel at the upper ends of the sleeve I and the movable handle after passing through the lower end of the pin shaft II and is fixedly connected with a fixed bolt, and the fixed bolt is connected with the guy cable channel in an embedded mode. The head end of the rongeur can swing to different degrees, so that the problem that the traditional rongeur has operation dead angles due to narrow space in a spine minimally invasive operation is solved.

Description

Rongeur with swingable head end

Technical Field

The utility model belongs to the technical field of medical supplies, concretely relates to but head end wobbling rongeur.

Background

With the progress of science and technology, the reduction of the trauma of the operation to the patient becomes an obvious development trend, the minimally invasive operation is gradually popularized and applied to clinical treatment, but the minimally invasive operation has small operation space and limited exposure visual field in the operation, so that dead angles and blind areas which cannot be detected exist in the operation, and inconvenience is brought to the operation of an operator. The rongeur is a surgical instrument frequently used in a surgical operation and used for biting and removing sclerotin and pathological tissues, however, the operable space of a minimally invasive operation is very limited, the angle of the traditional rongeur is fixed, and an operation dead angle exists, so that the rongeur with various angles can be needed in the operation, the instrument needs to be replaced for many times in the operation, the operation risk and the operation time are increased, the purchase cost is increased, and the rongeur is not favorable for a doctor patient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but head end wobbling rongeur, the technical problem among the prior art is solved to the purpose, and its head end can swing, through the angle of adjustment forceps holder, improves rongeur's working angle scope, avoids the operation dead angle.

The utility model provides a technical scheme that its technical problem adopted is: a rongeur with a swingable head end comprises a fixed handle, a movable handle, a sleeve I, a sleeve II, a sleeve III, a pull rope, a forceps holder and a swinging device, and is characterized in that the fixed handle is connected with the upper part of the movable handle through a pin shaft I, a supporting spring is arranged between the lower parts of the fixed handle and the movable handle, two sides of the lower end of the supporting spring are respectively fixedly connected with the inner walls of the fixed handle and the movable handle, the swinging device is arranged at the upper end of the fixed handle and mainly comprises a gear, a rack, a push-pull piece and a safety rod, the rack is arranged in the sleeve II and can move along the axial direction of the sleeve II, the gear is arranged at one end of the sleeve II and is fixed in the fixed handle, the gear and the rack are mutually meshed and can freely rotate, one end, far away from the gear, of the rack is connected with the sleeve III through the push-pull piece, the safety rod is arranged at the front end of the gear, the safety rod is close to the gear and can clamp the gear, the safety rod is far away from the gear releasable gear, the sleeve III is connected with the sleeve II through a pin shaft II, a clamping groove is formed in the front end of the sleeve III, the rear parts of the two jaws are arranged in the clamping groove in a staggered and overlapped mode, the two jaws are fixedly arranged in the clamping groove through the pin shaft III respectively, cable holes are formed in the outer ends of the rear parts of the two jaws respectively, a cable channel is formed in the position, corresponding to the sleeve I, of the upper end of the movable handle, the front end of each cable is provided with two cable heads, the two cable heads are fixedly arranged in the cable holes in the outer ends of the rear parts of the two jaws respectively, the rear end of each cable penetrates through the sleeve III, the lower end of the pin shaft III, the sleeve I and the cable channel to be fixedly connected with a fixing bolt, and the fixing bolt is connected with the cable channel in an embedded mode.

In the rongeur with the swingable head end, it is preferable that the fixing handle is provided with a passage of the sleeve I inside and penetrates the fixing handle to be flush with the cable passage.

In the rongeur with a swingable head end, a thumb wheel is preferably connected to the gear.

In the rongeur with the swingable head end, preferably, the safety lever is in a single-tooth shape and can be meshed with the gear, push rods are connected to two ends of the safety lever, the push rods are pushed forwards to drive the safety lever to be separated from the gear, and the push rods are pushed backwards to drive the safety lever to be meshed with the gear.

In the rongeur with the swingable head end, preferably, a cylindrical hollow roller is sleeved in the middle of the pin shaft III, and the pull cable is tightly attached to the lower end of the roller.

The utility model has the advantages that: the head end of the rongeur can swing to different degrees according to requirements, so that the working range of the rongeur is effectively improved, the dead angle of an operation can be eliminated, the number of instruments in the operation is reduced, the cost is saved, the speed of the operation is improved, the operation time is shortened, and the recovery of a patient is accelerated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the head end swing joint of the present invention.

Fig. 3 is a structural top view of the head end swing joint of the present invention.

Fig. 4 is a cross-sectional view of the head-end forceps holder of the present invention.

Fig. 5 is an enlarged schematic view of the swing device of the present invention.

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

The labels in the figure are: 1. the device comprises a fixed handle, 2, a movable handle, 3, sleeves I, 4, sleeves II, 5, sleeves III, 6, a pull rope, 7, a clamp, 8, a swinging device, 9, pin shafts I, 10, a supporting spring, 11, a gear, 12, a rack, 13, a push-pull piece, 14, a safety rod, 15, pin shafts II, 16, a clamp groove, 17, pin shafts III, 18, a pull rope hole, 19, a pull rope channel, 20, two pull rope heads, 21, a fixing bolt, 22, a shifting wheel, 23, a push rod, 24 and a rolling shaft.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, but the described embodiments do not represent all embodiments of the present invention. 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.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a rongeur with a swingable head end comprises a fixed handle 1, a movable handle 2, a sleeve I3, a sleeve II4, a sleeve III5, a pull cable 6, a clamp 7 and a swinging device 8, wherein the fixed handle 1 is connected with the upper part of the movable handle 2 through a pin shaft I9, a supporting spring 10 is arranged between the lower parts of the fixed handle 1 and the movable handle 2, two sides of the lower end of the supporting spring 10 are fixedly connected with the inner walls of the fixed handle 1 and the movable handle 2 respectively, the upper end of the fixed handle 1 is provided with the swinging device 8, the swinging device 8 mainly comprises a gear 11, a rack 12, a push-pull piece 13 and a safety rod 14, the rack 12 is arranged in the sleeve II4, the gear 11 is arranged at one end of a sleeve II4 and fixed in the fixed handle 1, the gear 11 and the rack 12 are mutually meshed and can freely rotate, one end of the rack 12, which is far away from the gear 11, is connected with the sleeve III5 through the push-pull piece 13, the safety rod 14 is arranged at the front end of the gear 11, the gear 11 is connected with a dial wheel 22, two ends of the safety lever 14 are connected with push rods 23, the sleeve III5 is connected with the sleeve II4 through a pin II15, the front end of the sleeve III5 is provided with a jaw slot 16, the back parts of the two jaws 5 are arranged in the jaw slot 16 in a staggered and overlapped mode, the two jaws 7 are respectively fixedly arranged in the jaw slot 16 through a pin shaft III17, the outer ends of the rear parts of the two jaws 7 are respectively provided with a cable hole 18, the upper end of the movable handle 2 is provided with a cable channel 19 corresponding to the sleeve I3, the front ends of the cables 6 are respectively provided with two cable heads 20, the two cable heads 20 are respectively and fixedly arranged in the cable holes 18 of the outer ends of the rear parts of the two jaws 7, the rear ends of the cables 6 respectively penetrate through the sleeve III5, the lower end of the pin shaft III17, the sleeve I3 and the cable channel 19 to be fixedly connected with a fixing bolt 21, the fixing bolt 21 is connected with the cable channel 19 in an embedded manner, a cylindrical hollow roller 24 is sleeved in the middle of the pin shaft III17, and the cables 6 are tightly attached to the lower end of the roller 24.

The inside of the specific fixed handle 1 is provided with a channel of a sleeve I3, and the channel penetrates through the fixed handle 1 and is flush with the inhaul cable channel 18, so that the sleeve I3 is fixed, and the inhaul cable is ensured to be smooth in the sleeve I3 and the inhaul cable channel 18.

The specific gear 11 and the rack 12 are meshed with each other and can rotate freely, one end, far away from the gear 11, of the rack 12 is connected with a sleeve III5 through a push-pull piece 13, a safety rod 14 is arranged at the front end of the gear 11, the safety rod 14 is in a single-tooth shape and can be meshed with the gear 11, the safety rod 14 is close to the gear 11 and can clamp the gear 11, the safety rod 14 is far away from the gear 11 and can release the gear 11, the gear 11 is connected with a shifting wheel 22, two ends of the safety rod 14 are connected with push rods 23, when the push rods 23 are pushed forwards, the safety rod 14 can be driven to be separated from the gear 11, the shifting wheel 22 is rotated and can drive the gear 11 to rotate, and further the rack 12 is driven to move, the moving rack 12 drives the sleeve III5 to swing through the push-pull piece 13, when the push rods 23 are pushed backwards, the safety rod 14 can be driven to be meshed with the gear 11, further the shifting wheel 22 cannot rotate, and the sleeve III5 is fixed.

The cylindrical hollow roller 24 is sleeved in the middle of the pin shaft III17, the pull cable 6 is tightly attached to the lower end of the roller 24, the roller 24 can protect friction between the pull cable 6 and the pin shaft III17 during movement, flexibility is improved, and service life is prolonged.

The specific use method and the function are as follows:

when the pull rope is used, the fixing bolt 22 can be pushed and pulled to move backwards through the movable handle 2, so that the pull rope 6 is pulled, the two pull rope heads 20 at the head end of the pull rope 6 move backwards, and the pull clamp 7 is occluded; the angle of head end is adjusted in regulation through pendulous device, specifically promote push rod 23 forward, can drive bumper 14 and gear 11 separation, rotate thumb wheel 22, can drive gear 11 and rotate, and then drive rack 12 motion, the rack 12 of motion drives the swing of sleeve pipe III5 through pushing and pulling 13, promote the push rod 23 backward, can drive bumper 14 and gear 11 meshing, and then make thumb wheel 22 unable rotation, fixed sleeve pipe III5, thereby realize operating angle's regulation. Through the structural design, a rongeur can realize multiple working angles, the working range of the rongeur is effectively improved, the dead angle of an operation can be eliminated, the number of instruments in the operation is reduced, the cost is saved, the speed of the operation is improved, the operation time is shortened, and the recovery of a patient is accelerated.

Claims

1. A rongeur with a swingable head end comprises a fixed handle (1), a movable handle (2), a sleeve I (3), a sleeve II (4), a sleeve III (5), a pull cable (6), a clamp (7) and a swinging device (8), and is characterized in that the fixed handle (1) is connected with the upper part of the movable handle (2) through a pin shaft I (9), a supporting spring (10) is arranged between the lower parts of the fixed handle (1) and the movable handle (2), two sides of the lower end of the supporting spring (10) are respectively fixedly connected with the inner walls of the fixed handle (1) and the movable handle (2), the swinging device (8) is arranged at the upper end of the fixed handle (1), the swinging device (8) mainly comprises a gear (11), a rack (12), a push-pull piece (13) and a safety rod (14), the rack (12) is arranged in the sleeve II (4) and can prolong the axial displacement of the sleeve II (4), the gear (11) is arranged at one end of the sleeve II (4) and fixed inside the fixed handle (1), the gear (11) and the rack (12) are meshed with each other and can rotate freely, one end of the rack (12) far away from the gear (11) is connected with the sleeve III (5) through a push-pull piece (13), the safety rod (14) is arranged at the front end of the gear (11), the safety rod (14) is close to the gear (11) and can clamp the gear (11), the safety rod (14) far away from the gear (11) can release the gear (11), the sleeve III (5) is connected with the sleeve II (4) through a pin shaft II (15), a clamping groove (16) is arranged at the front end of the sleeve III (5), the rear parts of the two clamps (5) are arranged in the clamping groove (16) in a staggered and overlapped mode, the two clamps (7) are respectively fixedly arranged in the clamping groove (16) through a pin shaft III (17), and holes (18) are respectively arranged at the outer ends of the rear parts of the two clamps (7), the upper end of activity handle (2) correspond department with sleeve pipe I (3) and be provided with cable passageway (19), the front end of cable (6) be two cable heads (20) respectively, two cable heads (20) are fixed respectively and are set up in cable hole (18) of two forceps holder (7) rear portion outer ends, sleeve pipe III (5), round pin axle III (17) lower extreme, sleeve pipe I (3) and cable passageway (19) and gim peg (21) fixed connection are passed respectively to the rear end of cable (6), gim peg (21) and cable passageway (19) embedding are connected.

2. A rongeur as claimed in claim 1 in which the head is pivotable: the fixed handle (1) is internally provided with a channel of the sleeve I (3), and the fixed handle (1) is communicated with the stay cable channel (19) in parallel.

3. A rongeur as claimed in claim 1 in which the head is pivotable: the gear (11) is connected with a thumb wheel (22).

4. A rongeur as claimed in claim 1 in which the head is pivotable: the safety rod (14) is in a single-tooth shape and can be meshed with the gear (11), push rods (23) are connected to two ends of the safety rod (14), the push rods (23) are pushed forwards to drive the safety rod (14) to be separated from the gear (11), and the push rods (23) are pushed backwards to drive the safety rod (14) to be meshed with the gear (11).

5. A rongeur as claimed in claim 1 in which the head is pivotable: the middle of the pin shaft III (17) is sleeved with a cylindrical hollow rolling shaft (24), and the inhaul cable (6) is tightly attached to the lower end of the rolling shaft (24).