CN218484645U - Puncture positioning device for finger fracture - Google Patents

Abstract

The utility model provides a puncture positioner for finger fracture, it includes the bottom plate, wrist supporting component, locating component, middle pole subassembly, finger traction assembly and puncture subassembly, the bottom plate is placed on the operation control cabinet, wrist supporting component, middle pole subassembly and locating component fixed mounting are on the bottom plate in proper order, locating component's swivelling joint spare and middle pole swivelling joint of middle pole subassembly, finger traction assembly is located middle pole subassembly top, puncture assembly's buckle and locating component's horizontal guide arm fixed connection, puncture assembly's puncture pipe and locating component's horizontal guide arm sliding connection, the utility model discloses a locating component and middle pole subassembly cooperation set up, realize the all-round puncture of finger, it is low to have solved puncture precision in the present finger fracture art, the structure is complicated, complex operation problem, and the device has high accuracy and convenient to use's characteristics.

Description

Puncture positioning device for finger fracture

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture positioning device for finger fracture.

Background

The finger fracture is a wound with high incidence rate in hand and foot surgery, and accounts for about 25 percent of the hand and foot wound. Timely and correct treatment after trauma can effectively prevent dorsal angulation deformity, shortening, ankylosis, tendon adhesion and injury, and ensure smooth recovery of functions. The internal fixation materials which can be clinically used for treating the finger fracture are various, and the common internal fixation materials comprise an external fixation frame, a steel plate, a common kirschner wire, a steel wire, a screw and the like, wherein the common kirschner wire is most widely applied. In the traditional puncture operation process for phalangeal fracture, an operating doctor mainly relies on experience to puncture, uncertainty is large, and the puncture operation has direct influence on success of a patient operation and whether secondary injury is caused to the patient. In the process of puncture, the kirschner wire needs to keep a certain angle, the fracture can not be fixed due to inaccurate angle, the inner wall of the phalange is smooth, and the kirschner wire is difficult to continuously keep in the optimal puncture angle range in the process of penetrating the kirschner wire by a doctor holding an electric drill.

The existing finger positioner needs auxiliary medical care personnel, is complex in operation process, is difficult for one person to independently complete the whole work, and is low in efficiency. Most finger positioners are singly improved from one aspect of finger traction or operation puncture, few devices for the whole process of finger fracture operations are available, and the puncture is usually performed by depending on the experience of doctors, so the angle and depth control capability is still in the experience, and the accuracy and the standardization cannot be realized. Patent No. CN104382643A discloses a "ke shi needle locator that fracture wicresoft was fixed", is applicable to the puncture of fixed angle, and the function is single, and the accuracy is on the low side, so, needs to provide a puncture positioner who is used for finger fracture that the function is comprehensive, punctures accurately.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a puncture positioner for finger fracture adopts the modularized design, sets up through locating component and puncture subassembly cooperation, and supplementary finger puncture position location, angle of adjustment, bone traction reset of carrying on have solved puncture precision low, the structure is complicated, complex operation scheduling problem in present finger fracture operation, have the simple manipulation, puncture accurate, advantage that the flexibility is high.

The utility model provides a puncture positioning device for finger fracture, which comprises a bottom plate, a wrist supporting component, a positioning component, an intermediate rod component, a finger traction component and a puncture component, wherein the bottom plate is placed on an operation console, the wrist supporting component, the intermediate rod component and the positioning component are sequentially and fixedly arranged on the bottom plate, a rotary connecting piece of the positioning component is in rotary fit with the intermediate rod of the intermediate rod component, the finger traction component is positioned above the intermediate rod component, a buckle of the puncture component is fixedly connected with a horizontal guide rod of the positioning component, and a puncture guide pipe of the puncture component is in sliding connection with the horizontal guide rod of the positioning component; the positioning assembly comprises a first L-shaped plate, a first cushion block, a lifting table, a lifting seat, a second cushion block, a second L-shaped plate, a locking handle, a U-shaped plate, a seat sleeve, a second jackscrew, a stand column, a second connecting plate, a rotating table, a rotating connecting piece, a horizontal guide rod, a locking piece, a positioning table, a bull eye wheel sleeve, a bull eye wheel, a gasket, a shell and a limiting block, wherein the side surface of the first L-shaped plate is connected with the first cushion block, the lifting table is positioned below the first cushion block and is connected with the first end surface of the first L-shaped plate, the first cushion block is connected with the shell, the first end surface of the second L-shaped plate is connected with the lifting seat, the second cushion block is positioned below the lifting seat and is connected with the second L-shaped plate, the second end surface of the second L-shaped plate is fixedly connected with the first end surface of the stand column, the second end of the stand column is fixedly connected with the first end surface of the second connecting plate, the second end surface of the second connecting plate is fixedly connected with the first end surface of the second connecting plate, the second end surface of the second connecting piece is fixedly connected with the first end surface of the rotating table, the rotating table is connected with the bottom plate of the bull eye wheel sleeve, and the rotating connecting piece, and the end part of the bull eye wheel sleeve is connected with the rotating connecting piece; the utility model discloses a novel finger support, including the intermediate lever subassembly, the bottom of finger support is connected with the first end of intermediate lever, the second end of intermediate lever with bottom plate fixed connection, the connecting rod through first jackscrew with intermediate lever fixed connection, swivel connected coupler through first bearing and second bearing with the intermediate lever normal running fit is connected.

Preferably, the locking handle penetrates through a threaded hole in the middle of the U-shaped plate, a seat sleeve is arranged at the bottom of the locking handle, and the bottom end of the seat sleeve is connected with the bottom plate in a sliding manner; the through-hole has been seted up on location platform upper portion, the retaining member passes this through-hole, horizontal guide arm wears to establish in the through-hole at location platform middle part, and pass through the retaining member with location platform clamping fit, the bottom of location platform with the second terminal surface fixed connection of first L template, the shell suit is in the locating component upper portion outside, just the shell passes through the second jackscrew with first cushion fixed connection, the stopper symmetry sets up middle pole subassembly both sides.

Preferably, the puncture assembly comprises a puncture guide tube, a buckle, a guide rod and a C-shaped clamp, the puncture guide tube is arranged in the horizontal guide rod in a penetrating manner, a threaded hole is formed in the first end of the C-shaped clamp, the guide rod is arranged in the threaded hole in a penetrating manner, the second end of the C-shaped clamp is fixedly connected with the first end of the buckle, and the second end of the buckle is sleeved on the horizontal guide rod.

Preferably, the wrist supporting assembly comprises a binding belt, a wrist support, a supporting column and a first connecting plate, wherein rectangular grooves are formed in two sides of the wrist support, the binding belt is connected with the wrist support through the rectangular grooves, the bottom end of the wrist support is fixedly connected with the first end of the supporting column, the second end of the supporting column is fixedly connected with the first end of the first connecting plate, and the second end of the first connecting plate is fixedly connected with the bottom plate.

Preferably, the finger traction assembly comprises a traction fingerstall, a binding band, a traction rope and a pull belt, the patient finger is worn in the traction fingerstall, through grooves are formed in two sides of the traction fingerstall, the binding band is fixedly installed at the end part of the traction fingerstall, the traction rope penetrates through a through hole in the upper part of the traction fingerstall, the pull belt is symmetrically arranged on two sides of the connecting rod, and the pull belt is fixedly connected with the upper part of the connecting rod.

Preferably, the traction finger sleeve is provided with various models, a rectangular groove is formed in the upper portion of the connecting rod of the middle rod assembly, and the upper end surfaces of the finger support and the wrist support are of arc-shaped structures and fit with the wrist of a human body better.

Preferably, the second end of the buckle in the puncture assembly is of an opening arc structure, and the horizontal guide rod is sleeved at the arc opening of the buckle.

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses be applied to the puncture of needle to the finger fracture, be a positioner who possesses specific structure definitely. It adopts locating component, middle pole subassembly, finger to pull subassembly and puncture subassembly combination setting and realizes that patient's wrist is fixed, the finger is fixed and pulls, accurate puncture and judge multiple functions such as needle point in advance, realizes straight needle puncture and oblique needle puncture.

2. The utility model discloses be convenient for accurate operation, wrist support and finger support all design to the arc structure, and it is soft to pull the dactylotheca material, and the size type is many.

3. The utility model discloses a puncture of multi-angle and income needle point is realized to adjustment swivelling joint spare, revolving stage and elevating platform position, goes out the needle direction and predetermines the position of needle in advance through locating component and the accurate control of puncture subassembly, and sets up multiple retaining member, ensures the security and the stability at puncture in-process device.

Drawings

FIG. 1 is a schematic view of the whole structure of the puncture positioning device for finger fracture according to the present invention;

FIG. 2 is a front view of the whole structure of the puncture positioning device for finger fracture according to the present invention;

fig. 3 is a cross-sectional view of the positioning assembly of the present invention;

fig. 4 is a right side view of the positioning assembly of the present invention;

FIG. 5 is a right side view of the finger pull assembly of the present invention;

fig. 6 is an isometric view of a mid-puncture assembly of the present invention.

The main reference numbers:

the base plate 1, the wrist support assembly 2, the bandage 21, the wrist support 22, the support column 23, the first connecting plate 24, the intermediate rod assembly 3, the finger support 31, the intermediate rod 32, the connecting rod 33, the first jackscrew 34, the first bearing 35, the second bearing 36, the positioning assembly 4, the first L-shaped plate 401, the first cushion block 402, the lifting platform 403, the lifting seat 404, the second cushion block 405, the second L-shaped plate 406, the locking handle 407, the u-shaped plate 408, the seat cover 409, the second jackscrew 410, the upright column 411, the second connecting plate 412, the rotating platform 413, the rotating connector 414, the horizontal guide rod 415, the locking member 416, the positioning platform 417, the bull's eye wheel cover 418, the bull's eye wheel 419, the gasket 420, the shell 421, the limiting block 422, the finger traction assembly 5, the bandage 51, the traction finger stall 52, the traction rope 53, the drawstring 54, the puncture assembly 6, the c-shaped clip 61, the guide rod 62, the buckle 63, and the puncture guide tube 64.

Detailed Description

The technical contents, structural features, and objects and functions of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model provides a puncture positioner for finger fracture, as shown in fig. 1, it includes bottom plate 1, wrist supporting component 2, middle pole subassembly 3, locating component 4, finger traction assembly 5 and puncture component 6, bottom plate 1 is placed on the operation control cabinet, wrist supporting component 2, middle pole subassembly 3 and locating component 4 fixed mounting are on bottom plate 1 in proper order, locating component 4's swivelling joint spare 414 and middle pole 32 swivelling fit of middle pole subassembly 3, finger traction assembly 5 is located middle pole subassembly 3 top, puncture component 6's buckle 63 and locating component 4's horizontal guide 415 fixed connection, puncture component 6's puncture pipe 64 and locating component 4's horizontal guide 415 sliding connection.

As shown in fig. 2, the wrist supporting assembly 2 includes a strap 21, a wrist support 22, a support pillar 23 and a first connecting plate 24, rectangular grooves are formed in two sides of the wrist support 22, the strap 21 is connected with the wrist support 22 through the rectangular grooves, the bottom end of the wrist support 22 is fixedly connected with the first end of the support pillar 23, the second end of the support pillar 23 is fixedly connected with the first end of the first connecting plate 24, and the second end of the first connecting plate 24 is fixedly connected with the base plate 1.

As shown in fig. 3, the middle rod assembly 3 includes a finger support 31, a middle rod 32, a connecting rod 33, a first jackscrew 34, a first bearing 35 and a second bearing 36, the bottom end of the finger support 31 is connected with the first end of the middle rod 32, the second end of the middle rod 32 is fixedly connected with the bottom plate 1, the connecting rod 33 is fixedly connected with the middle rod 32 through the first jackscrew 34, a rotary connecting member 414 is rotatably matched with the middle rod 32 through the first bearing 35 and the second bearing 36, and the first bearing 35 and the second bearing 36 are reversely installed. A locking handle 407 of the positioning component 4 is arranged in a threaded hole in the middle of the U-shaped plate 408 in a penetrating manner, a seat cover 409 is arranged at the bottom of the locking handle 407, and the bottom end of the seat cover 409 is connected with the bottom plate 1 in a sliding manner;

the through-hole has been seted up on locating rack 417 upper portion, retaining member 416 passes this through-hole, horizontal guide bar 415 wears to establish in the through-hole at locating rack 417 middle part to through retaining member 416 and locating rack 417 press from both sides tight fit, the bottom of locating rack 417 and the second terminal surface fixed connection of first L template 401, shell 421 suit is in the outside of locating component 4 upper portion, and shell 421 passes through retaining member 416 and first cushion 402 fixed connection, stopper 422 symmetry sets up in middle pole subassembly 3 both sides.

As shown in fig. 4, the positioning assembly 4 includes a first L-shaped plate 401, a first cushion block 402, a lifting table 403, a lifting base 404, a second cushion block 405, a second L-shaped plate 406, a locking handle 407, a U-shaped plate 408, a seat cover 409, a second jackscrew 410, an upright column 411, a second connecting plate 412, a rotating table 413, a rotating connector 414, a horizontal guide bar 415, a locking member 416, a positioning table 417, a bull's eye wheel sleeve 418, a bull's eye wheel 419, a gasket 420, a housing 421 and a limiting block 422, wherein a side surface of the first L-shaped plate 401 is fixedly connected with the first cushion block 402, the lifting table 403 is located below the first cushion block 402 and is fixedly connected with a first end surface of the first L-shaped plate 401, the first cushion block 402 is fixedly connected with the housing 421, a first end surface of the second L-shaped plate 406 is fixedly connected with the lifting base 404, the second cushion block 405 is fixedly connected with the second L-shaped plate 406 below the lifting base 404, a second end surface of the second cushion block 406 is fixedly connected with a first end surface 411 of the upright column 411, a second end surface of the second L-shaped plate 412 is fixedly connected with a rotating plate 414, a bottom surface of the rotating table 418 is connected with a rotating connector 414, and a bottom surface of the bull's wheel sleeve 418 is connected with a rotating plate 414, and a rotating plate 414 is connected with a rotating plate 414 of the rotating plate 418, and a rotating plate 414.

As shown in fig. 5, the finger dragging assembly 5 comprises a binding band 51, a dragging finger sleeve 52, a dragging rope 53 and a dragging belt 54, the finger of the patient is worn in the dragging finger sleeve 52, the binding band 51 is fixedly mounted at the end of the dragging finger sleeve 52, through grooves are formed at two sides of the dragging finger sleeve 52, the dragging rope 53 penetrates through a through hole at the upper part of the dragging finger sleeve 52, the dragging belts 54 are symmetrically arranged at two sides of the connecting rod 33, and the dragging belt 54 is fixedly connected with the upper part of the connecting rod 33.

As shown in fig. 6, the puncturing assembly 6 includes a C-shaped clip 61, a guide rod 62, a buckle 63 and a puncturing guide tube 64, the puncturing guide tube 64 is inserted into the horizontal guide rod 415, a threaded hole is formed at a first end of the C-shaped clip 61, the guide rod 62 is inserted into the threaded hole, a second end of the C-shaped clip 61 is fixedly connected with a first end of the buckle 63, a second end of the buckle 63 is sleeved on the horizontal guide rod 415, a second end of the buckle 63 in the puncturing assembly 6 is of an open arc structure, and the horizontal guide rod 415 is sleeved at an arc opening of the buckle 63.

Specifically, the traction finger sleeve 52 is designed to have various types, which respectively correspond to a thumb, an index finger, a middle finger, a ring finger and a little finger of a person, the upper portion of the connecting rod 33 of the middle rod assembly 3 is provided with a rectangular groove, and the upper end surfaces of the finger support 31 and the wrist support 22 are of arc structures, so as to better fit the wrist of the person.

Further, in order to ensure the overall light weight of the device and the accuracy of the operation process of the present invention, the wrist support 22 in the middle rod assembly 3 and the wrist support assembly 2, the rotary connecting member 414 in the positioning assembly 4, the bull-eye wheel 419, and the C-shaped clip 61, the guide rod 62 and the buckle 63 in the finger traction assembly 5, the pull strap 52, the pull belt 54 and the puncture assembly 6 are all made of nylon or metal material.

The following description will be made with reference to the embodiments of the present invention for a puncturing and positioning device for finger fracture:

use the utility model discloses before carrying out finger fracture operation, guarantee that each unit installation is intact, rationally distributed and smooth and easy operation in bottom plate 1, wrist supporting component 2, middle pole subassembly 3, locating component 4, the finger traction assembly 5 and the puncture subassembly 6.

The utility model discloses a concrete working procedure as follows:

according to basic operation steps, the device is used for carrying out workflow planning, a preoperative user carries out CT (computed tomography) examination, the condition of phalangeal fracture is observed through the CT examination, a puncture point and a puncture angle are obtained on a CT sheet, a patient enters an operating room and lies on an operating bed in a prone position, an operating workbench is placed on one side of the fingers of the patient, and a puncture positioning device is placed on a proper position of the operating workbench.

Firstly, placing the wrist of a patient on a wrist support 22 of the wrist support assembly 2, and fixing the wrist by using a bandage 21 of the wrist support assembly 2; firstly, carrying out traction fixing operation on the fingers of a patient, selecting a traction finger sleeve 52 with a proper size, wearing the traction finger sleeve on the fingers of the patient, placing the fingers on the finger support 31, bending the rest fingers under a plate, and then fixing the fingers of the patient by using a binding band 51 to firmly fix the fingers of the patient and the traction finger sleeve 52 together; then, the pulling rope 53 penetrates through a hole position above the pulling finger sleeve 52, two ends of the pulling rope 53 are pulled by hands, so that the pulling rope 53 drives the pulling finger sleeve 52 to achieve the purposes of fixing the phalanges and pulling for resetting, after the pulling rope 53 reaches a proper position, the pulling belts 54 at two ends of the connecting rod 33 are used for locking, the pulling rope 53 is rapidly fixed, and at the moment, the pulling and fixing operations of the fingers are finished.

Secondly, performing the second step of straight needle puncture, and determining a needle inserting point a and a puncture angle according to the fracture position; rotating a rotary connecting piece 414 in the positioning assembly 4 to a proper position, adjusting the lifting platform 403 to a proper height and ensuring that the puncture point is at the middle height position of the phalange, inserting the puncture catheter 64 into the horizontal guide rod 415, enabling the puncture catheter 64 to reach the finger through the rectangular groove in the connecting rod 33 to enhance stability, finely adjusting the lifting platform 403 and the rotary connecting piece 414 at the pointed position of the puncture catheter 64, and respectively locking the lifting platform 403 and the rotary connecting piece 414 through a locking screw and a locking handle 407 of the lifting platform 403 when the puncture catheter 64 reaches the same height of the needle insertion point a; then, the rotation table 413 is operated to finely adjust the puncture angle so that the puncture catheter 64 reaches the needle insertion point a, and the rotation table 413 is locked, so that the medical kirschner wire can be inserted into the puncture catheter 64 to puncture.

Then, performing the third step of oblique needle puncture operation, and determining a needle inserting point b and a puncture angle (a needle outlet point c) according to the fracture position; the general puncturing method is the same as the above-mentioned straight needle puncturing operation, and the rotating connector 414, the lifting platform 403, the puncturing catheter 64 and the rotating platform 413 are operated to perform positioning and puncturing respectively, which will not be described in detail; the puncture assembly 6 is used here to describe a simpler and more efficient operation mode, firstly, the puncture assembly 6 is installed on the horizontal guide rod 415, then the rotary connecting piece 414 in the positioning assembly 4 is rotated to reach a proper position, the lifting platform 403 is adjusted to reach a proper height, the puncture catheter 64 is inserted into the horizontal guide rod 415, the puncture catheter 64 reaches the skin of a finger through the rectangular grooves at the two sides in the traction finger sleeve 52 to enhance the stability, the fine adjustment work of the lifting platform 403 and the rotary connecting piece 414 is carried out at the pointed position of the puncture catheter 64, and when the puncture catheter 64 reaches the same height of the needle inserting point b, the lifting platform 403 and the rotary connecting piece 414 are respectively locked through the locking screw rod of the lifting platform 403 and the locking handle 407; at this time, the angle is manually adjusted by using the C-clip 61 and the guide rod 62, and when the guide rod 62 is aligned with the needle outlet point C and the puncture catheter 64 reaches the needle inlet point b, the puncture angle is adjusted, and the positioning operation is completed.

Finally, the medical kirschner wire is inserted into the puncture conduit 64 by the electric drill; after the first puncture is finished, the positioning component 4 is adjusted to a proper position, and the second cross puncture is finished until the operation is finished.

The utility model discloses the number of times of perspective shooting when can effectual reduction puncture, the radiation that reduces X ray promptly causes adverse effect, realizes the accurate positioning to the puncture of fracture through this device.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (7)

1. A puncture positioning device for finger fracture is characterized by comprising a base plate, a wrist supporting assembly, a positioning assembly, an intermediate rod assembly, a finger traction assembly and a puncture assembly, wherein the base plate is placed on an operation console, the wrist supporting assembly, the intermediate rod assembly and the positioning assembly are sequentially and fixedly installed on the base plate, a rotary connecting piece of the positioning assembly is in rotary fit with the intermediate rod of the intermediate rod assembly, the finger traction assembly is positioned above the intermediate rod assembly, a buckle of the puncture assembly is fixedly connected with a horizontal guide rod of the positioning assembly, a puncture guide pipe of the puncture assembly is in sliding connection with the horizontal guide rod of the positioning assembly,

the positioning assembly comprises a first L-shaped plate, a first cushion block, a lifting table, a lifting seat, a second cushion block, a second L-shaped plate, a locking handle, a U-shaped plate, a seat sleeve, a second jackscrew, a stand column, a second connecting plate, a rotating table, a rotating connecting piece, a horizontal guide rod, a locking piece, a positioning table, a bull eye wheel sleeve, a bull eye wheel, a gasket, a shell and a limiting block, wherein the side surface of the first L-shaped plate is fixedly connected with the first cushion block, the lifting table is positioned below the first cushion block and fixedly connected with the first end surface of the first L-shaped plate, the first cushion block is fixedly connected with the shell, the first end surface of the second L-shaped plate is fixedly connected with the lifting seat, the second cushion block is positioned below the lifting seat and fixedly connected with the second L-shaped plate, the second end surface of the second L-shaped plate is connected with the first end of the stand column, the second end of the stand column is connected with the first end surface of the second L-shaped plate, the second end surface of the second connecting plate is connected with the rotating table, the end part of the bull eye wheel sleeve is connected with the bottom plate of the rotating connecting piece, and the bull eye wheel sleeve is connected with the bottom plate of the rotating connecting piece;

the utility model discloses a finger support, including the intermediate lever subassembly, it includes finger support, intermediate lever, connecting rod, first bearing, second bearing and first jackscrew, finger support bottom with the first end of intermediate lever is connected, the second end of intermediate lever with bottom plate fixed connection, the connecting rod through first jackscrew with the intermediate lever is connected, swivel connected coupler pass through first bearing and second bearing with the intermediate lever cooperation is connected.

2. The puncture positioning device for finger fracture according to claim 1, wherein the locking handle is inserted into the threaded hole in the middle of the U-shaped plate, the seat cover is mounted at the bottom of the locking handle, the bottom end of the seat cover is slidably connected with the bottom plate, a through hole is formed in the upper portion of the positioning table, the locking member passes through the through hole, the horizontal guide rod is inserted into the through hole in the middle of the positioning table and is tightly matched with the positioning table through the locking member, the bottom end of the positioning table is fixedly connected with the second end face of the first L-shaped plate, the housing is sleeved on the upper portion of the positioning assembly, the housing is connected with the first cushion block through a second jackscrew, and the limiting blocks are symmetrically arranged on two sides of the middle rod assembly.

3. The puncture positioning device for finger fracture according to claim 1, wherein the puncture assembly comprises a puncture guide tube, a buckle, a guide rod and a C-shaped clip, the puncture guide tube is arranged in the horizontal guide rod in a penetrating manner, a first end of the C-shaped clip is provided with a threaded hole, the guide rod is arranged in the threaded hole in a penetrating manner, a second end of the C-shaped clip is fixedly connected with a first end of the buckle, and a second end of the buckle is sleeved on the horizontal guide rod.

4. The puncture positioning device for finger fracture according to claim 1, wherein the wrist supporting assembly comprises a binding band, a wrist support, a supporting column and a first connecting plate, rectangular grooves are formed in two sides of the wrist support, the binding band is connected with the wrist support through the rectangular grooves, the bottom end of the wrist support is fixedly connected with the first end of the supporting column, the second end of the supporting column is fixedly connected with the first end of the first connecting plate, and the second end of the first connecting plate is fixedly connected with the bottom plate.

5. The puncture positioning device for finger fracture according to claim 1, wherein the finger traction assembly comprises a traction finger sleeve, a binding band, a traction rope and a pull belt, the patient's finger is inserted into the traction finger sleeve, through grooves are formed on two sides of the traction finger sleeve, the binding band is fixedly installed at the end of the traction finger sleeve, the traction rope passes through a through hole on the upper portion of the traction finger sleeve, the pull belt is symmetrically arranged on two sides of the connecting rod, and the pull belt is fixedly connected with the upper portion of the connecting rod.

6. The puncture positioning device for finger fracture according to claim 5, wherein the traction finger sleeve has a plurality of types, the upper portion of the connecting rod in the middle rod assembly is provided with a rectangular groove, and the upper end surfaces of the finger support and the wrist support are both arc-shaped structures, so as to better fit the wrist of a human body.

7. The lancing and positioning device for finger fracture according to claim 1, wherein the second end of the clip of the lancing assembly is an open arc structure, and the horizontal guide rod is sleeved at the arc opening of the clip.

Images