CN215349538U

CN215349538U - Bone traction needle protection device

Info

Publication number: CN215349538U
Application number: CN202121116472.5U
Authority: CN
Inventors: 祁林青; 薛翌蔚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-31
Anticipated expiration: 2031-05-24

Abstract

The utility model belongs to medical clinical equipment, and particularly relates to a bone traction needle protection device which comprises a clamping part, wherein the clamping part comprises a shell, a semicircular through hole is formed in one side of the shell, a sliding groove is formed in the inner wall of the shell, the sliding groove is connected with a clamping block in a sliding manner, a sleeve is fixedly connected to the side surface of the clamping block, the sleeve is in threaded connection with a first rotating rod, the first rotating rod is fixedly connected with a driven gear, a second rotating rod and a supporting block are further connected in the shell, the free end of the second rotating rod penetrates through one side of the supporting block, a driving gear is fixedly connected with the second rotating rod, the driving gear is meshed with the driven gear, the clamping part is provided with two clamping parts, the two clamping parts are arranged in a mirror image mode relative to a horizontal plane of a semi-cylinder, the two shells are rotatably connected and provided with torsion springs, and end face fluted discs are arranged on the end faces of the free end faces of the second rotating rod; the bone traction needle clamping device can adjust the clamping aperture, has high practicability and is suitable for clamping the bone traction needle.

Description

Bone traction needle protection device

Technical Field

The utility model belongs to medical clinical instruments, and particularly relates to a bone traction needle protection device.

Background

The bone traction means that the bone is directly dragged by a round needle, so that the fracture and dislocation patients can be effectively reset and fixed. The lower limb bone traction is one of the common treatment means for lower limb fracture dislocation, and in the orthopedic clinical bone traction, the needle bodies exposed at the two ends of the traction needle are widely covered by antibiotic glass bottles for protection. The glass bottle reduces and the bed clothes rub, has avoided pulling the needle to become flexible and has played certain effect, but clinical care personnel discover that the antibiotic bottle body is breakable glass material, because the too big reason of pressure-bearing is broken often, need often to change to its bottleneck does not form a complete set with the size of pulling the needle body, and is fixed insecure, probably takes place phenomenons such as antibiotic allergy, and increases the heavy burden of pulling the needle, has still increased nursing personnel work load when causing the threat to patient's nursing safety.

In order to overcome the technical problem, Chinese patent (patent publication No. CN203244443U) discloses a bone traction needle protection device, which comprises a clamp and a support body, wherein two clamping surfaces of the clamp are respectively provided with a semicircular groove matched with the traction needle in size, the two grooves form a circular needle hole for fixing the traction needle, and one end of the clamp is detachably connected with the support body.

Although above-mentioned technical scheme adopts the cooperation of clip and supporter, wraps up and protects the both ends of bone traction needle, has solved the not hard up problem of traction needle, but the centre gripping aperture of clip is unadjustable, and the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a bone traction needle protection device which can adjust the clamping aperture of a clamp and has firm and reliable clamping effect.

In order to achieve the purpose, the utility model provides the following basic scheme: a bone traction needle protection device comprises a clamping part, wherein the clamping part comprises a shell, the shell is in a semi-cylindrical shape, one side of the shell is provided with a semicircular through hole, two opposite inner walls of the shell are respectively provided with a sliding groove, the two sliding grooves are jointly and slidably connected with a clamping block, the semicircular through hole and the clamping block are positioned on the same horizontal plane, the side surface of the clamping block is fixedly connected with a sleeve, the sleeve is in threaded connection with a first rotating rod, the free end of the first rotating rod is rotationally connected with the inner wall of the shell, the first rotating rod is fixedly connected with a driven gear, the shell is also internally connected with a second rotating rod and a supporting block, the second rotating rod is rotationally connected with the inner wall of the shell, the supporting block is fixedly connected with the inner wall of the shell, and the free end of the second rotating rod is arranged on one side of the supporting block in a penetrating manner, the second dwang fixedly connected with driving gear, the driving gear with driven gear meshing, the clamping part is equipped with two, two the clamping part sets up about casing halfcylinder horizontal plane mirror image, two the casing rotates to be connected and is equipped with the torsional spring, two the casing with the torsional spring constitutes the clip jointly, two a circular through-hole is constituteed jointly to semi-circular through-hole, the free end terminal surface of second dwang all is equipped with the terminal surface fluted disc, two terminal surface fluted disc intermeshing, arbitrary the second dwang is worn to establish the outside of casing.

The principle and the effect of the scheme are as follows: the clamp is opened by pressing handles on the surfaces of the two shells, so that the clamping block can be aligned to the position of the bone traction needle; rotate the second dwang of wearing to establish in the casing outside, the second dwang will drive the driving gear and rotate simultaneously, driving gear and driven gear intermeshing, and driven gear and first dwang fixed connection, rotatory second dwang will drive first dwang and rotate, first dwang and sleeve threaded connection, sleeve and clamp tight piece fixed connection, first dwang is rotatory will drive and press from both sides tight piece horizontal direction in the spout and slide, the motion mode in another clamping part is the same reason, two second dwang pass through the terminal surface fluted disc transmission power, two press from both sides tight pieces and do motion in opposite directions or dorsad, and press from both sides tightly or loosen the bone traction needle.

Furthermore, the side of the clamping block close to the bone traction needle is arc-shaped, and the arc-shaped surface of the clamping block is provided with an anti-slip pad.

Adopt above-mentioned scheme, the arc design can increase the area of contact of pressing from both sides tight piece and bone traction needle, and the slipmat can increase the frictional force between pressing from both sides tight piece and the bone traction needle, can improve the centre gripping effect of pressing from both sides tight piece to bone traction needle.

Furthermore, the outer surface of the shell is smooth semi-cylindrical.

Adopt above-mentioned scheme, can reduce the frictional force between casing and bed clothes or other objects, produce the aversion because of being bumped by the mistake when preventing this device centre gripping bone traction needle.

Furthermore, the shell is made of transparent plastic materials.

By adopting the technical scheme, the condition of clamping the inside of the shell can be observed more conveniently and visually, and the position of the clamping block can be conveniently adjusted.

Further, the diameters of the driving gears are all larger than the diameter of the driven gear.

By adopting the technical scheme, the transmission effect of the driving gear on the driven gear is increased, the rotating frequency is reduced, and the clamping speed is improved.

Compared with the prior art, the utility model has the beneficial effects that: can adjust the centre gripping aperture, be applicable to the different bone traction needle of the various sizes of centre gripping, the centre gripping effect is firm reliable, easy operation is convenient.

Drawings

FIG. 1 is a schematic structural view of a bone traction needle protection device according to the present invention;

FIG. 2 is a schematic view of a clamping portion according to the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic view of the connection of two second rotating levers according to the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the gear comprises a shell 1, a semicircular through hole 2, a sliding groove 3, a clamping block 4, a sleeve 5, a first rotating rod 6, a driven gear 7, a second rotating rod 8, a driving gear 9, a supporting block 10 and an end face fluted disc 11.

Example (b):

as shown in fig. 1 to 4, a bone traction needle protection device comprises a clamping portion, the clamping portion comprises a housing 1, the housing 1 is made of transparent plastic material, the housing 1 is semi-cylindrical and has a smooth outer surface, a handle is arranged on the side surface of the upper end of the housing 1, a semi-circular through hole 2 is formed on the left side of the housing 1, sliding grooves 3 are formed on the left and right opposite inner walls of the housing 1, two sliding grooves 3 are jointly and slidably connected with a clamping block 4, the semi-circular through hole 2 and the clamping block 4 are positioned on the same horizontal plane, the right side surface of the clamping block 4 is arc-shaped, a rubber anti-slip pad is arranged on the arc-shaped surface of the clamping block 4, a sleeve 5 is fixedly connected to the left side surface of the clamping block 4, a first rotating rod 6 is in threaded connection with the sleeve 5, the left end of the first rotating rod 6 is rotatably connected with the inner wall of the housing 1, a driven gear 7 is fixedly connected to the first rotating rod 6, a second rotating rod 8 and a supporting block 10 are further connected to the inner wall of the housing 1, the second rotating rod 8 is positioned above the first rotating rod 6, the left end of the second rotating rod 8 is rotatably connected with the inner wall of the shell 1, the upper end of the supporting block 10 is fixedly connected with the inner wall of the shell 1, the right end of the second rotating rod 8 is arranged on one side of the supporting block 10 in a penetrating manner, the right end face of the second rotating rod 8 is fixedly connected with an end face fluted disc 11, the second rotating rod 8 is fixedly connected with a driving gear 9, the driving gear 9 is meshed with a driven gear 7, the diameter of the driving gear 9 is larger than that of the driven gear 7, two clamping parts are arranged and arranged in a mirror image manner relative to the horizontal plane of the semi-cylinders of the shell 1, the two semi-cylinder shells 1 jointly form a cylinder, the two shells 1 are rotatably connected and are provided with a torsion spring, the two semi-circular through holes 2 jointly form a circular through hole, the end faces of the two second rotating rods 8 are meshed with each other through the end face fluted disc 11, the right end of the second rotating lever 8 in the right clamping portion is disposed outside the housing 1.

The specific implementation process is as follows:

before use, the handles on the two shells 1 are pressed simultaneously to open the clamp, the position of the clamping block 4 in the shell 1 is aligned with the position of the bone traction needle, and then the clamp is loosened to close the clamp; then the second rotating rod 8 penetrating the outer side of the shell 1 is rotated, the second rotating rod 8 simultaneously drives the second rotating rod 8 in the other clamping part to rotate, the two clamping blocks 4 are respectively driven to move towards the bone traction needle direction through the transmission of the gear and the first rotating rod 6, and the outer surface of the bone traction needle is simultaneously clamped, so that the protection and the fixation of the bone traction needle are realized; when the clamping of the bone traction needle is loosened, the two clamping blocks 4 can move back to back only by rotating the second rotating rod 8 arranged outside the shell 1 towards the opposite direction, and the clamping of the outer surface of the bone traction needle is loosened.

The above description is only an embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the scheme is not described too much, it should be noted that, for those skilled in the art, it can make several variations and modifications without departing from the structure of the present invention, and these should be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a bone traction needle protection device, includes the clamping part, its characterized in that: the clamping part comprises a shell (1), the shell (1) is in a semi-cylindrical shape, a semi-circular through hole (2) is formed in one side of the shell (1), sliding grooves (3) are formed in two opposite inner walls of the shell (1), the sliding grooves (3) are connected with clamping blocks (4) in a sliding mode, the semi-circular through hole (2) and the clamping blocks (4) are located on the same horizontal plane, a sleeve (5) is fixedly connected to the side face of each clamping block (4), a first rotating rod (6) is connected to the sleeve (5) in a threaded mode, the free end of the first rotating rod (6) is connected with the inner wall of the shell (1) in a rotating mode, a driven gear (7) is fixedly connected to the first rotating rod (6), a second rotating rod (8) and a supporting block (10) are further connected to the shell (1), and the second rotating rod (8) is connected with the inner wall of the shell (1) in a rotating mode, the supporting block (10) is fixedly connected with the inner wall of the shell (1), the free end of the second rotating rod (8) penetrates through one side of the supporting block (10), the second rotating rod (8) is fixedly connected with a driving gear (9), the driving gear (9) is meshed with the driven gear (7), the clamping part is provided with two parts which are arranged in a mirror image manner relative to a semi-cylindrical horizontal plane of the shell (1), the two shells (1) are rotationally connected and are provided with torsional springs, the two shells (1) and the torsional springs jointly form a clamp, the two semi-circular through holes (2) jointly form a circular through hole, the free end terminal surface of second dwang (8) all is equipped with terminal surface fluted disc (11), two terminal surface fluted disc (11) intermeshing is arbitrary the one end of second dwang (8) is worn to establish the outside of casing (1).

2. The bone traction needle protection device of claim 1, wherein: one side of the clamping block (4) close to the bone traction needle is arc-shaped, and the arc-shaped surface of the clamping block (4) is provided with an anti-slip pad.

3. The bone traction needle protection device of claim 1, wherein: the outer surface of the shell (1) is smooth semi-cylindrical.

4. The bone traction needle protection device of claim 1, wherein: the shell (1) is made of transparent plastic materials.

5. The bone traction needle protection device of claim 1, wherein: the diameters of the driving gears (9) are all larger than the diameter of the driven gear (7).