CN209629857U - Position maintains device in a kind of hip, knee replacements - Google Patents

Abstract

The utility model discloses positions in a kind of hip, knee replacements to maintain device, it is related to the field of medical instrument technology.It includes bodyboard, hold-down bars and ankle-joint baffle, the long 214cm of bodyboard, width 70cm, thickness 2.5cm, the identical hole of multiple sizes is evenly distributed in bodyboard, bore dia 2.0cm, wherein 26 rows are distributed in octal, 25 rows are distributed in seven apertures in the human head, both ends are a row as start-stop using octal, and adjacent two rows are staggered, and hold-down bars is cylindric sponge structure, the head of hold-down bars is cylindrical-shaped structure, and head is connect with the hole in bodyboard；The ankle-joint baffle is curved circular column sponge structure, and centre is rigid support structure, and periphery is spongelike structure.The utility model maintains lateral position position in artificial total hip arthroplasty, fixed, reaches more accurately acetabular component implantation, improves prosthese life span, provide more preferably postoperative hip joint function.

Description

Position maintains device in a kind of hip, knee replacements

Technical field

The utility model relates to the field of medical instrument technology, and in particular to position in a kind of hip, knee replacements Maintain device.

Background technique

Artificial joint replacement refers to using materials such as metal, high molecular polythene, ceramics, according to the shape of human synovial Artificial joint prosthesis is made in state, construction and function, is implanted into human body by surgical technic, instead of lesion or the joint function of damage Can, achieve the purpose that alleviate arthralgia, restores function of joint, improves patients ' life quality.Artificial total hip arthroplasty (total hip arthroplasty, THA) is for diseases such as coxarthrosis, caput femoris necrosis, fractures of neck of femur Treatment, in wide clinical application, the common operative approach of THA can divide three classes at present: i.e. anterior lateral cervical approach, side approach and rear Approach.What side approach and Posterior approach were used is lateral position position, both operative approaches are wide in clinic at present General development application, however it is most important to the maintenance of patient body position in THA operation, because being implanted into acetabular component mistake in operation The position referring to patient is needed in journey to place the angle of splay and top rake of acetabular cup, if cannot more securely tie up in surgical procedure The lateral position of standard is held, then will impact to accurate acetabular component of placing, leads to postoperative complications, such as prosthese early stage pine The dynamic, dislocation of hip joint, hip joint shock etc., the final survival rate for influencing prosthese.

Currently, lateral position position must be used using the patient of side approach or Posterior approach for THA operation, clinically Nearly all hospital is all made of front and back pelvis stabilizing brace to maintain side-lying body position, but finds in the course of surgery, exists as solid It is fixed more local, similar to the fixation of former and later two points, rather than the fixation in two faces, it is not firm in fixation, in art above the waist It is easy rotation；In addition pelvis stabilizing brace height is too low, and overweight people's Ipsilateral pelvis can not be fixed to, and pelvis is still during surgery It is so easy to swing, it is still understable in fixation.

To solve the above-mentioned problems, it designs position in a kind of replacement of total hip and maintains device, dimension that can be stronger Position is held to be of great significance.

Summary of the invention

In view of the shortcomings of the prior art, the utility model aims to provide a kind of hips, knee replacements Middle position maintains device, reasonable in design, maintains in artificial total hip arthroplasty to lateral position position, fixed, Reach more accurately acetabular component implantation, improves prosthese life span, more preferably postoperative hip joint function is provided, it is easy to spread It uses.

To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of hip, knee joint are set Changing position in art maintains device, including bodyboard, hold-down bars and ankle-joint baffle, hold-down bars, ankle-joint baffle to be plugged in bodyboard, The long 214cm of the bodyboard, width 70cm, thickness 2.5cm are evenly distributed with the identical hole of multiple sizes in bodyboard, and the diameter in hole is 2.0cm, the hold-down bars are cylindric sponge structure, and the centre of hold-down bars is rigid support structure, and pillar is oval column, The head of hold-down bars is cylindrical-shaped structure, basal diameter 2.0cm, and head is connect with the hole in bodyboard；The ankle-joint gear Plate is curved circular column sponge structure, and centre is rigid support structure, and periphery is spongelike structure, and the both ends of ankle-joint baffle are inserted It connects in hole.

Preferably, the hole is provided with 51 rows altogether, wherein 26 rows are distributed in octal, and 25 rows, both ends are distributed in seven apertures in the human head It is a row as start-stop using octal, centre distance to bodyboard edge is 7cm, and adjacent two rows are staggered, and each row is adjacent For two hole center distance from for 8cm, neighbouring two rows vertical ranges are 4cm.

Preferably, the bodyboard uses rigid plastics slab construction, and it is see-through, it does not influence solid in pelvis fracture of acetabulum Determine the perspective of patient.

Preferably, the hold-down bars is set there are three types of different size, length is respectively 29.5cm, 25.5cm, 23.5cm, It is 2.5cm that rigid length is exposed on the head of hold-down bars, and corresponding residue tail length is respectively 27cm, 23cm, 21cm, residue Tail portion is enclosed with cylindric sponge, due to not will cause crush injury to body skin for flexible structure.

Preferably, the pillar of the ankle-joint baffle is curved circular column, internal diameter 2.0cm, horizontal length is 20cm, vertical height 4cm, the two are and bodyboard connecting portion by arc-shaped connection, both ends.

The utility model has the beneficial effects that maintenance of the present apparatus in artificial total hip arthroplasty to lateral position position, The opposite fixation on former and later two faces, makes a fixation become the fixation in face, more secured in fixation, reaches more accurately Acetabular component implantation, while the device for obese patient be capable of higher position, to Ipsilateral pelvis equally can be firm consolidate It is fixed, it maintains more stable；In addition, being conducive to total knee arthroplasty (total knee by ankle-joint baffle Arthroplasty, TKA) in knee sprung position maintenance, save assistant.

Detailed description of the invention

It is described in detail the utility model with reference to the accompanying drawings and detailed description；

Fig. 1 is the planar structure schematic diagram of the utility model bodyboard；

Fig. 2 is the schematic perspective view of the utility model bodyboard；

Fig. 3 is the planar structure schematic diagram of the utility model hold-down bars；

Fig. 4 is the schematic perspective view of the utility model hold-down bars；

Fig. 5 is the planar structure schematic diagram of the utility model ankle-joint baffle；

Fig. 6 is the schematic perspective view of the utility model ankle-joint baffle；

Fig. 7 is the assembling schematic diagram of the utility model.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Referring to Fig.1-7, present embodiment uses following technical scheme: position dimension in a kind of hip, knee replacements Device, including bodyboard 1, hold-down bars 2 and ankle-joint baffle 3 are held, hold-down bars 2, ankle-joint baffle 3 are plugged in bodyboard 1；Described Bodyboard 1 uses rigid plastics slab construction, see-through, does not influence the perspective of immobilized patients in pelvis fracture of acetabulum, and bodyboard 1 is long 214cm, width 70cm, thickness 2.5cm are evenly distributed with the identical hole 4 of multiple sizes in bodyboard 1, are used for and hold-down bars 2, ankle-joint The connection of baffle 3 is used, and the diameter in hole 4 is 2.0cm, and hole 4 is provided with 51 rows altogether, and wherein 26 rows are distributed in octal, and seven apertures in the human head is distributed with 25 Row, both ends are a row as start-stop using octal, and centre distance to bodyboard edge is 7cm, and adjacent two rows are staggered, each Adjacent two hole center distance is arranged from for 8cm, neighbouring two rows vertical ranges are 4cm.

The hold-down bars 2 is cylindric sponge structure, and the centre of hold-down bars 2 is rigid support structure, and pillar is oval Column, the head of hold-down bars 2 are cylindrical-shaped structure, basal diameter 2.0cm, and head is connect with the hole 4 in bodyboard 1；Described Hold-down bars 2 is set there are three types of different size, and length is respectively 29.5cm, 25.5cm, 23.5cm, and rigidity is exposed on the head of hold-down bars 2 Length is 2.5cm, and corresponding residue tail length is respectively 27cm, 23cm, 21cm, and remaining tail portion is enclosed with cylindric sea Silk floss, due to not will cause crush injury to body skin for flexible structure.

The ankle-joint baffle 3 is conducive to the maintenance of knee sprung position in TKA hand, is curved circular column sponge knot Structure, centre are rigid support structure, and periphery is spongelike structure, and the both ends of ankle-joint baffle 3 are plugged in hole 4, and pillar is arc Shape is cylindric, internal diameter 2.0cm, horizontal length 20cm, vertical height 4cm, the two by arc-shaped connection, both ends be with Bodyboard connecting portion.

The application method of present embodiment are as follows: when determining using side approach or Posterior approach THA, in patient's mistake Before bed preanesthesia, bodyboard 1 is placed on operating table, and fixed by bundling belt, is then placed in bodyboard 1 Sponge cushion and cloth list are buffered well, after patient, which crosses bed, to anaesthetize successfully, carry out lateral position position support；According to patient's height, fat Thin concrete condition selects the length of hold-down bars 2, to be firmly fixed to install position of the hold-down bars on clinostatism plate Patient's pelvis and the upper part of the body: slightly selecting overweight people length, and thin person's selection is shorter, and each patient selects four hold-down bars, Wherein head side two is a little longer, two shorter at pelvis, the placement of two hold-down bars at pelvis are as follows: front is fixed on pubic symphysis Articulatio sacroiliaca level is fixed at level, rear；Notice that hold-down bars cannot be too long at pelvis, avoid influencing the passive activity of hip joint, Head side two hold-down bars is placed on the plane between navel and arcus costarum lower edge, for the fixed upper part of the body, especially to obese patient.Generally Patient is placed among plate and is fixed, fixed hole is according to circumstances selected, so that patient is comfortable on after fixed, it is both only loose And not tension；For the patient for TKA operation of being expert at, it can use ankle-joint baffle 3 to maintain knee sprung position, save hand Lasting maintenance of the assistant to knee sprung position in art.

Present embodiment has strict demand for the length of bodyboard, width and thickness, suffers from the use of plate not The limitation of person's figure, but must match with operating table, it can be conducive to tight with operating table by prefabricated bundling belt in bodyboard Close connection avoids generating sliding with operating table in the course of surgery；In addition, the design in hole must be uniformly distributed on plate, favorably In adjusting hold-down bars position at any time, to reach best fixed effect, neither tension causes discomfort to patient, and or excessively pine and loosely Gu.

Present embodiment securely maintains lateral position in artificial total hip arthroplasty, and making can be more accurate in art Acetabular component is placed, the postoperative and potentially relevant complication of the bad bring of acetabular component riding position is advantageously reduced, is improved false Body life span provides more preferably postoperative hip joint function, and the device is reliable and practical, has a vast market application prospect.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. position maintains device in a kind of hip, knee replacements, which is characterized in that including bodyboard (1), hold-down bars (2) and ankle Joint baffle (3), hold-down bars (2), ankle-joint baffle (3) are plugged on bodyboard (1), the long 214cm of the bodyboard (1), width 70cm, thickness 2.5cm are evenly distributed with the identical hole of multiple sizes (4) in bodyboard (1), and the diameter of hole (4) is 2.0cm, described Hold-down bars (2) is cylindric sponge structure, and the centre of hold-down bars (2) is rigid support structure, and pillar is oval column, hold-down bars (2) head is cylindrical-shaped structure, basal diameter 2.0cm, and head is connect with the hole (4) on bodyboard (1)；The ankle-joint Baffle (3) is curved circular column sponge structure, and centre is rigid support structure, and periphery is spongelike structure, ankle-joint baffle (3) Both ends be plugged in hole (4).

2. position maintains device in a kind of hip according to claim 1, knee replacements, which is characterized in that described Hole (4) is provided with 51 rows altogether, and wherein octal is distributed with 26 rows, and seven apertures in the human head is distributed with 25 rows, both ends using octal be a row as start-stop, Its centre distance is 7cm to bodyboard edge, and adjacent two rows are staggered, and the adjacent two hole center distance of each row is from for 8cm, up and down Adjacent two rows vertical range is 4cm.

3. position maintains device in a kind of hip according to claim 1, knee replacements, which is characterized in that described Bodyboard (1) uses rigid plastics slab construction.

4. position maintains device in a kind of hip according to claim 1, knee replacements, which is characterized in that described Hold-down bars (2) is set there are three types of different size, and length is respectively 29.5cm, 25.5cm, 23.5cm, and the head of hold-down bars (2) is exposed Rigid length is 2.5cm, and remaining tail portion is enclosed with cylindric sponge, corresponding residue tail length be respectively 27cm, 23cm, 21cm。

5. position maintains device in a kind of hip according to claim 1, knee replacements, which is characterized in that described The pillar of ankle-joint baffle (3) is curved circular column, internal diameter 2.0cm, horizontal length 20cm, vertical height 4cm.