Autologous fat component separation filler
By designing an autologous fat component separation and filling device, and utilizing a push knob and screw structure to achieve uniform and precise filling of fat cells, the problem of inaccurate fat cell filling in existing technologies is solved, thereby improving the survival rate and efficiency of use.
Patent Information
- Application Number
- CN202422836722.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing autologous fat grafting devices cannot precisely control the amount and rate of fat cell filling, which can easily lead to low fat cell survival rate and adverse consequences.
An autologous fat component separation and filling device was designed. The screw moves up and down by pushing the injection knob. Combined with the limiting block and scale, it can achieve uniform filling and precise control of fat cells. The stop block and retaining ring are used to ensure accurate filling volume.
It enables precise control of the filling rate and amount of fat cells, improving the survival rate of fat cells and ease of use.
Smart Images
Figure CN223817924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fat filling technical field especially, relates to a kind of autologous fat component separation fillers. BACKGROUND
[0002] Autologous fat filling technique is extracted from abdominal or thigh tissue, then separated by centrifugation, and filled into face or other places such as chest. Since it is own fat tissue, there is no rejection reaction of allograft, high safety and good effect. After autologous fat filling, the survival of fat includes two stages, including vascularization of fat. After successful vascularization, fat can survive.
[0003] In the filling process of autologous fat cells, excessive amount of fat or too concentrated injection can cause fat necrosis, dissolution and absorption due to insufficient blood supply, which can easily cause infection, fibrosis or calcification, fat necrosis and other sequelae. The current filler is mainly pushed manually. The filling amount of fat cells is completely controlled by the experience of the operator, so that the filling amount cannot be accurately controlled, and the filling rate cannot be accurately controlled, which can easily cause the receiving amount of fat cells in the transplantation site to be more or less, so that the fat filling cannot meet the expected demand.
[0004] Therefore, an autologous fat component separation filler is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an autologous fat component separation filler, which solves the above-mentioned technical problems.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an autologous fat component separation filler, comprising a main body, the main body is composed of a push injection barrel and a filling barrel, a sealing plate is fixedly sleeved on the lower inner wall of the push injection barrel, a push injection knob is rotatably installed at one end of the push injection barrel away from the sealing plate, a threaded sleeve is penetrated and sleeved on the surface of the push injection knob, a lead screw is fixedly installed at the end of the threaded sleeve, a push rod is fixedly installed at the end of the lead screw, the push rod is limitedly slid on the bottom of the sealing plate, a piston head is fixedly installed at the end of the push rod away from the lead screw, and the piston head is sleeved in the inner wall of the filling barrel.
[0007] Preferably, one end of the lead screw is fixedly installed with a stopper, the stopper is attached to the top of the push injection knob, the end of the lead screw away from the stopper is fixedly installed with a limit block, the end of the limit block away from the lead screw is fixedly installed on the top of the push rod, the surface of the push injection barrel is provided with an observation window, the inside of the push injection barrel is slidably sleeved with a baffle, the surface of the baffle is fixedly installed with a snap ring, the snap ring penetrates through the observation window and is slidably connected to the surface of the push injection barrel, and the surface of the push injection barrel is provided with a scale around the observation window.
[0008] Preferably, the surface of the push rod is concave and provided with a sliding groove, the surface of the sealing plate is provided with a circular hole, the inner wall of the circular hole is fixedly installed with a protrusion, the protrusion is slidably sleeved in the inner wall of the sliding groove, and the push rod is slidably sleeved in the inner wall of the circular hole.
[0009] Preferably, the surface of the push injection barrel is concave and provided with a groove, the inner wall of the groove is arrayed with clamping teeth, the surface of the clamping teeth is elastically connected with a clamping head, and the surface of the clamping head is fixedly installed on the surface of the snap ring.
[0010] Preferably, the bottom of the push injection barrel is threadedly sleeved on the top of the filling barrel, and the bottom of the filling barrel is provided with a needle.
[0011] Compared with the related art, the self-fat component separation filler has the following beneficial effects:
[0012] The self-fat component separation filler provided by the utility model realizes the uniform filling of autologous fat by rotating the push injection knob to drive the up-and-down movement of the lead screw in threaded engagement with the push injection knob, the sliding groove on the surface of the protrusion plays a limiting role in the process, so that the piston head moves on the inner wall of the filling barrel, the filling of autologous fat is realized at a constant speed, the fat cells in the filling barrel are filled in the required parts with the filling needle and other instruments, the filling speed of the fat cells can be controlled, the filling rate can be accurately controlled, and therefore the survival rate of fat cell transplantation is improved.
[0013] The self-fat component separation filler provided by the utility model limits the displacement distance of the lead screw by the stopper when the main body is used for fat filling, prevents the disengagement from the push injection knob, can drive the lead screw to quickly reset by pulling the stopper after use, improves the use efficiency, moves the snap ring to a target position before rotating the push injection knob, marks the target position by the corresponding scale, drives the baffle to synchronously move on the inner wall of the push injection barrel, and when the lead screw moves to drive the limit block to synchronously move, the limit block moves to attach to the surface of the baffle, which represents that the filling of the fat cells in the filling barrel is completed, the main body can accurately control the filling amount of the fat cells, the standardization of the amount of fat cells in the filling is ensured, the fat cells can be accurately filled according to the set amount, and the convenience and functionality of the main body are effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the filling cylinder structure sectional view of the utility model;
[0016] Figure 3 It is the push injection cylinder structure schematic view of the utility model;
[0017] Figure 4 It is the utility model's Figure 2 The structure enlarged view of A in the middle;
[0018] Figure 5 It is the utility model's Figure 2 The structure enlarged view of B in the middle.
[0019] In the drawing: 1, main body, 11, push injection cylinder, 12, filling cylinder, 13, observation window, 14, scale, 15, baffle, 16, snap ring, 17, buckle, 18, push knob, 19, screw rod, 2, stop block, 21, limit block, 22, push rod, 23, needle, 24, piston head, 25, sealing plate, 26, lug, 27, sliding slot, 28, groove, 29, clamping tooth, 3, clamp. Specific implementation
[0020] Please refer to Figures 1-5 The utility model provides a technical scheme, including main body 1, main body 1 is by push injection cylinder 11 and filling cylinder 12 is composed, push injection cylinder 11 upper end fixedly arranged with buckle 17, push injection cylinder 11 lower inner wall fixedly sleeved with sealing plate 25, push injection cylinder 11 away from sealing plate 25 one end rotationally installed with push knob 18, push knob 18 surface penetrates the screw thread sleeve with screw rod 19, and screw rod 19 end fixedly installed with push rod 22, and push rod 22 limit sliding is at sealing plate 25 bottom, and push rod 22 away from screw rod 19 one end fixedly installed with piston head 24, and piston head 24 piston sleeve is installed in filling cylinder 12 inner wall;Push rod 22 surface recessed and set up with sliding slot 27, and sealing plate 25 surface penetrates and is set up with round hole, and round hole inner wall fixedly installed with lug 26, and lug 26 sliding sleeve is installed in sliding slot 27 inner wall, and push rod 22 sliding sleeve is installed in round hole inner wall;
[0021] By rotating push knob 18 drive and the screw thread engagement of screw rod 19 up and down movement, in the process by sliding slot 27 on the lug 26 surface sliding sleeve plays the limiting action, so that piston head 24 in filling cylinder 12 inner wall piston movement, realizes the uniform speed filling of autologous fat, fills the fat cell in filling cylinder 12 inside with filling needle and so on instrument filling required site, can control the filling speed of fat cell, can accurately control the rate of filling, thereby improve the survival rate of fat cell transplantation.
[0022] The end of the lead screw 19 is fixedly installed with a stop block 2, which is attached to the top of the injection knob 18. The end of the lead screw 19 away from the stop block 2 is fixedly installed with a limiting block 21. The end of the limiting block 21 away from the lead screw 19 is fixedly installed on the top of a push rod 22. The surface of the injection barrel 11 is provided with an observation window 13. The inside of the injection barrel 11 is slidably sleeved with a baffle 15. The surface of the baffle 15 is fixedly installed with a snap ring 16. The snap ring 16 penetrates through the observation window 13 and is slidably connected to the surface of the injection barrel 11. The surface of the injection barrel 11 is provided with a scale 14 around the observation window 13.
[0023] When the main body 1 is used for fat filling, the displacement distance of the lead screw 19 is limited by the stop block 2 to prevent it from being separated from the injection knob 18. After use, the lead screw 19 can be quickly reset by pulling the stop block 2, improving the use efficiency. Before rotating the injection knob 18, the snap ring 16 is moved to the target position, which is marked by the corresponding scale 14 for reference, and then the baffle 15 is synchronously moved in the inner wall of the injection barrel 11. When the lead screw 19 moves to drive the limiting block 21 to move synchronously, the limiting block 21 moves to the surface of the baffle 15, which represents the completion of the filling of fat cells in the filling barrel 12. The main body 1 can accurately control the amount of fat cell filling, ensuring the standardization of the amount of fat cells during filling, accurately filling according to the set amount, and effectively improving the convenience and functionality of the main body 1.
[0024] The surface of the injection barrel 11 is concave and provided with a groove 28. The inner wall of the groove 28 is arrayed with a plurality of clamping teeth 29. The surface of the clamping teeth 29 is elastically connected with a clamping head 3. The surface of the clamping head 3 is fixedly installed on the surface of the snap ring 16.
[0025] During the movement of the snap ring 16, the clamping head 3 is extruded and deformed, and elastically connected with the clamping teeth 29 in the groove 28. After the snap ring 16 moves to the target position, the baffle 15 can be stably stopped on the inner wall of the injection barrel 11 through the elastic connection of the clamping head 3 and the clamping teeth 29, achieving the limiting effect of the limiting block 21,
[0026] The bottom of the injection barrel 11 is threadedly sleeved on the top of the filling barrel 12. The bottom of the filling barrel 12 is provided with a needle 23. The injection barrel 11 and the filling barrel 12 are more convenient to disassemble, which is convenient for cleaning and disinfecting the used main body 1, further improving the convenience of the main body 1.
Claims
1. An autologous fat component separation and filling device, comprising a main body (1), said main body (1) being composed of an injection cylinder (11) and a filling cylinder (12), characterized in that: A sealing plate (25) is fixedly sleeved on the lower inner wall of the injection cylinder (11). An injection knob (18) is rotatably installed at the end of the injection cylinder (11) away from the sealing plate (25). A lead screw (19) is threaded through the surface of the injection knob (18). A push rod (22) is fixedly installed at the end of the lead screw (19). The push rod (22) slides at the bottom of the sealing plate (25). A piston head (24) is fixedly installed at the end of the push rod (22) away from the lead screw (19). The piston head (24) is piston-sleeved on the inner wall of the filling cylinder (12).
2. The autologous fat component separation and filling device according to claim 1, characterized in that: A stop block (2) is fixedly installed at one end of the lead screw (19), and the stop block (2) is attached to the top of the injection knob (18). A limit block (21) is fixedly installed at the end of the lead screw (19) away from the stop block (2). The limit block (21) is fixedly installed at the top of the push rod (22) at the end away from the lead screw (19). An observation window (13) is provided through the surface of the injection cylinder (11). A baffle (15) is slidably sleeved inside the injection cylinder (11). A retaining ring (16) is fixedly installed on the surface of the baffle (15). The retaining ring (16) passes through the observation window (13) and is slidably engaged with the surface of the injection cylinder (11). A scale (14) is provided on the surface of the injection cylinder (11) around the observation window (13).
3. The autologous fat component separation and filling device according to claim 2, characterized in that: The push rod (22) has a groove (27) recessed in its surface, and the sealing plate (25) has a circular hole through its surface. A protrusion (26) is fixedly installed on the inner wall of the circular hole. The protrusion (26) is slidably sleeved on the inner wall of the groove (27), and the push rod (22) is slidably sleeved on the inner wall of the circular hole.
4. The autologous fat component separation and filling device according to claim 3, characterized in that: The injection cylinder (11) has a recessed groove (28) on its surface. The inner wall of the groove (28) is provided with a toothed pattern (29). The toothed pattern (29) is elastically engaged with a head (3). The head (3) is fixedly mounted on the surface of the ring (16).
5. The autologous fat component separation and filling device according to claim 4, characterized in that: The bottom of the injection tube (11) is threaded onto the top of the filling tube (12), and a needle (23) is provided at the bottom of the filling tube (12).